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Panasonic SA-AK450P Service Manual
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Panasonic SA-AK450P Service Manual

Panasonic SA-AK450P Service Manual

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Notes: This model's CD mechanism changer unit is CRS1. Please refer to the original Service Manual
(Order No. MD0509368C0) for this mechanism.
Specifications
n AMPLIFIER SECTION
FTC output power
THD 10%, both channels driven
50 Hz to 3 kHz
(Low channel)
3 kHz to 12 kHz
(High channel)
Total FTC Bi-Amp power
RMS output power
THD 10%, both channels driven
1 kHz
(Low channel)
10 kHz
(High channel)
Total Bi-Amp power
n FM/AM TUNER, TERMINALS SECTION
Preset station
Frequency Modulation (FM)
Frequency range
95 W per channel (3 Ω)
95 W per channel (3 Ω)
380 W
115 W per channel (3 Ω)
115 W per channel (3 Ω)
460 W
FM 20 stations
AM 15 stations
87.9 to 107.9 MHz (200 kHz
steps)
87.5 to 108.0 MHz (100 kHz
steps)
SA-AK450P
SA-AK450PC
Colour
(K)... Black Type
Sensitivity
S/N 26 dB
Antenna terminal(s)
Amplitude Modulation (AM)
Frequency range
Sensitivity
S/N 20 dB (at 1000 kHz)
Music Port input jack
Terminal
Sensitivity
Phone jack
Terminal
XM ready
n CASSETTE DECK SECTION
Track system
Heads
Record/playback
Erasure
Motor
Recording system
Erase system
Tape speed
Overall frequency response (+3, -6 dB) at DECK OUT
© 2007 Matsushita Electric Industrial Co. Ltd.. All
rights
reserved.
distribution is a violation of law.
ORDER NO. MD0703005CE
CD Stereo System
4.0 µV (IHF)
75 Ω (unbalanced)
520 to 1710 kHz (10 kHz step)
560 µV/m
Stereo, 3.5 mm (1/8") jack
100 mV, 4.7 kΩ
Stereo, 3.5 mm (1/8") jack
XM mini Tuner and Home Dock
4 track, 2 channel
Solid permalloy head
Double gap ferrite head
DC servo motor
AC bias 100 kHz
AC erase 100 kHz
4.8 cm/s (1-7/8 ips)
Unauthorized
copying
A6
2.2 µV
and

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Summary of Contents for Panasonic SA-AK450P

  • Page 1: Option Port Version

    ORDER NO. MD0703005CE CD Stereo System SA-AK450P SA-AK450PC Colour (K)... Black Type Notes: This model’s CD mechanism changer unit is CRS1. Please refer to the original Service Manual (Order No. MD0509368C0) for this mechanism. Specifications n AMPLIFIER SECTION Sensitivity 4.0 µV (IHF)

  • Page 2: Table Of Contents

    SA-AK450P / SA-AK450PC NORMAL 35 Hz to 14 kHz n OPTION PORT SECTION S/N ratio 50 dB (A weighted) Option Port Version 1 Wow and flutter 0.18 % (WRMS) n GENERAL Fast forward and rewind time Approx. 120 seconds with...

  • Page 3: Mpeg-1 Layer 3, Mpeg-2 Layer

    SA-AK450P / SA-AK450PC 10.16. Disassembly for Deck Mechanism 17.6. XM/ Transformer Diagram 10.17. Disassembly of Deck Mechanism P.C.B. 18 Notes Of Schematic Diagram 10.18. Disassembly of cassette lid 19 Schematic Diagram 10.19. Rectification for tape jam problem 19.1. (A) CD Servo Circuit 11 Service Fixture and Tools 19.2.

  • Page 4: Safety Precautions

    SA-AK450P / SA-AK450PC 1 Safety Precautions 1.1. General Guidelines 1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. 2. After servicing, ensure that all the protective devices such as insulation barriers and insulation papers shields are properly installed.

  • Page 5: Protection Circuitry

    SA-AK450P / SA-AK450PC 1.3. Protection Circuitry The protection circuitry may have operated if either of the following conditions are noticed: · No sound is heard when the power is turned on. · Sound stops during a performance. The function of this circuitry is to prevent circuitry damage if, for example, the positive and negative speaker connection wires are “shorted”, or if speaker systems with an impedance less than the indicated rated impedance of the amplifier are used.
  • Page 6 SA-AK450P / SA-AK450PC which should be removed for potential shock reasons prior to applying power to the unit under test. 2. After removing an electrical assembly equiped with ES devices, place the assembly on a conductive surface such as aluminium foil, to prevent electrostatic charge build up or exposure of the assembly.

  • Page 7: Handling Precautions For Traverse Deck

    SA-AK450P / SA-AK450PC 3 Handling Precautions For Traverse Deck The laser diode in the traverse deck (optical pickup) may break down due to potential difference caused by the static electricity of clothes or our human body. So, be careful of electrostatic breakdown during repair of the traverse deck (optical pickup).
  • Page 8 SA-AK450P / SA-AK450PC...

  • Page 9: Precaution Of Laser Diode

    SA-AK450P / SA-AK450PC 4 Precaution of laser diode CAUTION: This unit utilizes a class 1 laser diode in the optical pickup unit . Invisible laser radiation is emitted from the optical pickup lens. Wavelength: 780nm When the unit is turned on: 1.

  • Page 10: Warning

    SA-AK450P / SA-AK450PC 5 Warning 5.1. Service caution based on legal restrictions 5.1.1. General description about Lead Free Solder (PbF) The lead free solder has been used in the mounting process of all electrical components on the printed circuit boards used for this equipment in considering the globally environmental conservation.

  • Page 11: Accessories

    SA-AK450P / SA-AK450PC 6 Accessories Remote Control FM Indoor Antenna AC Cord AM Loop Antenna...

  • Page 12: Operation Procedures

    SA-AK450P / SA-AK450PC 7 Operation Procedures 7.1. Main Unit Key Buttons Operations 7.2. Remote Control Key Buttons Operations...
  • Page 13 SA-AK450P / SA-AK450PC...

  • Page 14: New Features

    SA-AK450P / SA-AK450PC 8 New Features 8.1. Using the Music Port This feature enables you to enjoy music from a portable audio equipment. With reference to page 15 of the operating instruction manual.

  • Page 15: Using Xmｮ Satellite Radio

    SA-AK450P / SA-AK450PC 8.2. Using XM® Satellite Radio With reference to page 12 of the operating instruction manual.
  • Page 16 SA-AK450P / SA-AK450PC With reference to page 13 of the operating instruction manual.

  • Page 17: Using Ipod

    SA-AK450P / SA-AK450PC 8.3. Using IPod With reference to page 16 of the operating instruction manual.
  • Page 18 SA-AK450P / SA-AK450PC With reference to page 17 of the operating instruction manual.

  • Page 19: Self Diagnosis And Special Mode Setting

    SA-AK450P / SA-AK450PC 9 Self diagnosis and special mode setting This unit is equipped with functions for checking and inspecting namely: Self-Diagnostic and Test Mode. 9.1. Service Mode Summary Table The service modes can be activated by pressing various button combination on the main unit and remote control unit. Below is the...
  • Page 20 SA-AK450P / SA-AK450PC Item FL Display Key Operation Mode Name Description Front Key Doctor Mode To enter into Doctor (Display 1) In any mode: Mode for checking of 1. Press [ ] button on main unit various items and follow by [4] and [7] on remote control.
  • Page 21 SA-AK450P / SA-AK450PC Item FL Display Key Operation Mode Name Description Front Key Tape Eject Test To check on the tape In doctor mode: eject function (For deck 1. Press [0] button on remote control. 1/2) FL Display Test check...

  • Page 22: Reliability Test Mode (Crs1 Mechanism)

    SA-AK450P / SA-AK450PC Note: Microprocessor firmware refers to version number for microprocessor IC located on PANEL P.C.B.. It is subject to change which would be updated accordingly. ROM correction checksum refers to the HEX code that is displayed upon key buttons pressed if an EEPROM is loaded in the unit.

  • Page 23: Error Code Table Display

    SA-AK450P / SA-AK450PC 9.4. Error code Table Display Self-Diagnosis Function (refer Section 9.2) provides information on any problems occuring for the unit and its respective components by displaying the error codes. These error code such as U**, H** and F** are stored in memory and held unless it is...
  • Page 24 SA-AK450P / SA-AK450PC The error code is automatically display after entering into self-diagnostic mode. 9.4.1. Error Code Table for Deck Mechanism Error Code Diagnosis Contents Description of error Automatic FL Display Remarks Mode SW, plunger Normal operation during For deck mechanism unit.
  • Page 25 SA-AK450P / SA-AK450PC Error Code Diagnosis Contents Description of error Automatic FL Display Remarks HOME Cam gear/gear Cam gear does not move to For CD changer unit (CRS1). assembly abnormal “HOME” position under Press [SINGLE CHANGE] on main following conditions unit for next error.

  • Page 26: Xm Satellite Radio Code Table

    SA-AK450P / SA-AK450PC · Only the first 5 errors will be memorized (in backup memory). The subsequence error shall be ignored and not memorize. For system with EEPROM as memory backup,memory space in EEPROM is neccesary. 2. To display all error code memorized In CRS1 Self-Diagnostic mode, press [SINGLE CHANGE] to display subsequence error code.

  • Page 27: Assembling And Disassembling

    SA-AK450P / SA-AK450PC 10 Assembling and Disassembling 10.1. Caution Special Note: This model uses a new CD changer unit CRS1. In this following section does not contain the necessary disassembly & assembly information for the CD changer unit (CRS1) except the disasembly & assembly of traverse unit. Kindly refer to the original service manual for the CD changer unit.

  • Page 28: Disassembly Flow Chart

    SA-AK450P / SA-AK450PC 10.2. Disassembly flow chart The following chart is the procedure for disassembling the casing and inside parts for internal inspection when carrying out the servicing. To assemble the unit, reverse the steps shown in the chart as below.

  • Page 29: Main Parts Location

    SA-AK450P / SA-AK450PC 10.3. Main Parts Location...

  • Page 30: Disassembly Of Top Cabinet

    SA-AK450P / SA-AK450PC 10.4. Disassembly of Top Cabinet Step 1 Remove 3 screws on both sides on top cabinet. Step 2 Remove 5 screws at the rear. Step 3 Lift the sides of top cabinet outwards. Step 4 Push the top cabinet backwards to release catches.

  • Page 31: Disassembly Of Rear Panel Block

    SA-AK450P / SA-AK450PC Step 4 Lift the CD changer unit upwards to remove it. · Disassembly of Mecha Chassis Step 5 Remove 2 screws. Step 6 Remove the Mecha Chassis. Note: For disassembly & assembly of traverse unit, please refer to section 10.16 of this service manual.Please refer to original...
  • Page 32 SA-AK450P / SA-AK450PC · Disassembly of XM in P.C.B. Step 1 Remove 1 screw. · Disassembly of D-Port P.C.B. Step 1 Remove 2 screws. Step 2 Detach cable CN2810 at Main P.C.B.. Step 3 Detach FFC cables (CN2801 & CN2805) at Main P.C.B..

  • Page 33: Disassembly Of Main P.c.b

    SA-AK450P / SA-AK450PC 10.7. Disassembly of Main P.C.B. · Follow the (Step 1) - (Step 5) of Item 10.4 · Follow the (Step 1) - (Step 4) of Item 10.5 · Follow the (Step 1) - (Step 4) of Item 10.6 Step 1 Detach FFC cables (CN2803 &...

  • Page 34: Disassembly Of Power P.c.b

    SA-AK450P / SA-AK450PC 10.9. Disassembly of Power P.C.B. · Follow the (Step 1) - (Step 5) of Item 10.4 · Follow the (Step 1) - (Step 4) of Item 10.5 · Follow the (Step 1) - (Step 4) of Item 10.6 ·...

  • Page 35: Disassembly Of Front Panel Unit

    SA-AK450P / SA-AK450PC Step 3 Remove up the heat sink sub assembly (with IC5501). Step 4 Remove screw and IC clip. Step 5 Remove IC5501 from the sub assembly. Caution: During assembly of the heat sink sub assembly (with IC5501) all soldering points is touch-up to avoid dry- joints.

  • Page 36: Disassembly For Panel P.c.b

    SA-AK450P / SA-AK450PC Step 5 Remove the front panel unit. Note: Ensure 2 claws located at the bottom chassis is seated into the 2 slots at bottom of front panel at 2 catches (one on each side) of bottom chassis to be aligned to front panel’s slot.

  • Page 37: Disassembly Of Tact Switch P.c.b

    SA-AK450P / SA-AK450PC Step 2 Remove Lid. Note: Do not misplace the spring. 10.12. Disassembly of Tact Switch P.C.B. · Follow the (Step 1) - (Step 5) of Item 10.4 · Follow the (Step 1) - (Step 4) of Item 10.5 ·...

  • Page 38: Disassembly Of Deck P.c.b

    SA-AK450P / SA-AK450PC Step 3 Tilt the cassette mechanism unit in the direction of Note: For disassembly of parts for deck mechanism unit, arrow (1), and then remove it in the direction of arrow (2). refer to Section 10.16. 10.14. Disassembly of Deck P.C.B.

  • Page 39: Disassembly For Deck Mechanism

    SA-AK450P / SA-AK450PC Step 3: Remove the traverse unit as arrow shown. · Assembly of Traverse Unit Step 2: Push the traverse slide plate as arrow shown to lock the traverse unit. Step 1: Turn over the unit and install the traverse unit.
  • Page 40 SA-AK450P / SA-AK450PC 10.16.1. Replacement of Pinch Roller and Head Block...
  • Page 41 SA-AK450P / SA-AK450PC 10.16.2. Replacement of Motor, Capstan Belt A, Capstan Belt B, and Winding Belt...

  • Page 42: Disassembly Of Deck Mechanism P.c.b

    SA-AK450P / SA-AK450PC 10.17. Disassembly of Deck Mechanism P.C.B. · Follow the (Step 1) - (Step 4) of Item 10.4 · Follow the (Step 1) - (Step 4) of Item 10.5 · Follow the (Step 1) - (Step 5) of Item 10.10 ·...

  • Page 43: Disassembly Of Cassette Lid

    SA-AK450P / SA-AK450PC 10.18. Disassembly of cassette lid · Follow the (Step 1) - (Step 4) of Item 10.4 · Follow the (Step 1) - (Step 4) of Item 10.5 · Follow the (Step 1) - (Step 5) of Item 10.10 ·...
  • Page 44 SA-AK450P / SA-AK450PC Step 2 Push the lever upward and open the cassette lid. Remove the cassette tape. Note: Follow 10.18 Disassembly for cassette lid (Step1) to (Step 3). Remove the cassette tape.

  • Page 45: Service Fixture And Tools

    SA-AK450P / SA-AK450PC 11 Service Fixture and Tools Service Tools Extension FFC (A) Deck P.C.B. - Main P.C.B. REEX0485 (14 Pins) 12 Service Positions Note: For description of the disassembly procedures, see the Section 10. 12.1. Checking and Repairing of Main P.C.B.

  • Page 46: Checking And Repairing Of Transformer P.c.b

    SA-AK450P / SA-AK450PC 12.2. Checking and Repairing of Transformer P.C.B. 12.3. Checking and Repairing of Panel, Deck & Deck Mechanism P.C.B.

  • Page 47: Checking And Repairing Of Power P.c.b

    SA-AK450P / SA-AK450PC 12.4. Checking and Repairing of Power P.C.B.

  • Page 48: Procedure For Checking Operation Of Individual Parts Of Deck Mechanism Unit

    SA-AK450P / SA-AK450PC 13 Procedure for Checking Operation of Individual Parts of Deck Mechanism Unit 13.1. Operation Check with Cassette Tape 1. Pull up the EJECT lever using a rubber band. (Fig. 6) 2. Supply DC5V to MOTOR. (→ MOTOR rotates.) (Fig. 5) 3.
  • Page 49 SA-AK450P / SA-AK450PC Fig. 7...

  • Page 50: Measurement And Adjustments

    SA-AK450P / SA-AK450PC 14 Measurement And Adjustments 14.1. Cassette Deck Section 14.1.1. Requirements · Test tape (QZZCFM) (QZZCWAT) · Normal blank cassette tape (QZZCRA) · Digital frequency counter · Oscilloscope · Electrical voltmeter · Headphone jack output jig (Fig 8) 14.1.2.
  • Page 51 SA-AK450P / SA-AK450PC Fig. 10 Fig. 11 14.1.5. Bias Voltage Check 1. Connect an electrical voltmeter. (Fig 12) (Fig 9 for location of test points) 2. Set the function to “TAPE” position. 3. Insert a normal blank cassette tape (QZZCRA).

  • Page 52: Voltage And Waveform Chart

    SA-AK450P / SA-AK450PC 15 Voltage and Waveform Chart Note: Circuit voltage and waveform described herein shall be regarded as reference information when probing defect point, because it may differ from an actual measuring value due to difference of Measuring instrument and its measuring condition and product itself.

  • Page 53: Main P.c.b

    SA-AK450P / SA-AK450PC 15.3. Main P.C.B. 15.4. Panel P.C.B.

  • Page 54: Power P.c.b. & Transformer P.c.b

    SA-AK450P / SA-AK450PC 15.5. Power P.C.B. & Transformer P.C.B. 15.6. XM P.C.B.

  • Page 55: Waveform Chart

    SA-AK450P / SA-AK450PC 15.7. Waveform Chart...

  • Page 56: Wiring Connection Diagram

    SA-AK450P / SA-AK450PC 16 Wiring Connection Diagram CN2810 9 ..1 CN3601 12 . . . 2 H5104 13 ..1 CN3400 CN3100 TUNER MOTOR PACK CN2809 POWER P.C.B. SOLDER SIDE CN2801 MAIN P.C.B.

  • Page 57: Block Diagram

    SWITCH PROCESSOR/ TO MAIN CN7002 CN2801 DIGITAL FILTER (1/2) 3.3V 3.3V 3.3V 3.3V D/A CONVERTER PC1 4 MUTE CN7002 CN2801 [CH1] LCH OUT 3.3V TO MAIN (2/2) CN7002 CN2801 RCH OUT MUTE PC2 2 [CH2] SA-AK450P/PC CD SERVO BLOCK DIAGRAM...

  • Page 58: Deck/ Deck Mechanism Diagram

    : CD SIGNAL LINE : MAIN SIGNAL LINE : CD-DA (AUDIO/VIDEO) SIGNAL LINE : AM SIGNAL LINE : FM/AM/XM SIGNAL LINE : FM SIGNAL LINE : AUX/IPOD SIGNAL LINE ( ) Indicates the Pin No. of Right Channel. SA-AK450P/PC DECK/DECK MECHANISM BLOCK DIAGRAM...

  • Page 59: D-Port/ Main Diagram

    FROM OPTION PORT C0CBCDG00003 REGULATOR IC CN3400 CN2401 CN2401 VER.1 (TO DOCK) CN2401 CN3400 CN2401 PCOUNT PCONT CN2401 CN3400 CN2401 CN3400 CN2401 Q3500 TO D-PORT D3501-D3505 CN3400 CN2401 CN2401 Vout SWITCH CN2401 SA-AK450P/PC D-PORT/MAIN 1/2 DIAGRAM CN3400 CN2401 D-PORT P.C.B...
  • Page 60 ON/OFF SWITCH QR3105 QR3106 SWITCH SWITCH Q2803 IC4000 C0DBZGC00067 RESET (MICRO-P) 3.3 REGULATOR SWITCH Q3601 SWITCH STBY Q2950 D2936 DECK SUPPLY DVREF CONTROL SWITCH IC2872 C0CBAHG00011 VOLTAGE Q2950 REGULATOR DECK SUPPLY CONTROL SWITCH 3.3V D2811 D2813 D3400 SA-AK450P/PC MAIN 2/2 DIAGRAM...

  • Page 61: Panel Diagram

    SA-AK450P / SA-AK450PC 17.4. Panel Diagram FL6602 A2BD00000171 FL DISPLAY 5-11 25-40 TO TRANSFORMER 31-41 14-29 IC6601 C0HBB0000057 FL DRIVER TO MAIN (2/2) Z6481 REMOTE SENSOR JK6751 TO MAIN M.PORT (1/2) S6201-S6207 TO MAIN (2/2) JK6551 TO MAIN HEADPHONE (1/2)

  • Page 62: Power Diagram

    SA-AK450P / SA-AK450PC 17.5. Power Diagram JK5101 IC5301 SPEAKER C1AA00000755 2CH DIGITAL AMP L5301 OUT1 10 RCH.H IN1+ SPEAKER RCH.HIGH TO MAIN OUT2 14 IN1- RCH.L (1/2) SPEAKER IN2+ RCH.LOW IN2- Q5153 MODE 1 OSC SWITCH VDDA1 20 TO MAIN...

  • Page 63: Xm/ Transformer Diagram

    TO MAIN (2/2) LINKACTIVE Q5953 SC_TX_OUT RL5950 PCONT SWITCH SC_RX_IN TO PANEL ANT_REV Q5952 T5951 SYNCHRONISATION RST- SWITCH D5966 JK5950 L5950 C0DBZYE00002 POWER SUPPLY Z5950 5.3V D5951, Q5950 TO MAIN D5952 D5963 (1/2) VOLTAGE REGULATOR SA-AK450P/PC XM / TRANSFORMER DIAGRAM...
  • Page 64 SA-AK450P / SA-AK450PC...

  • Page 65: Notes Of Schematic Diagram

    SA-AK450P / SA-AK450PC 18 Notes Of Schematic Diagram (All schematic diagrams may be modified at any time with : FM/AM/XM Signal line the development of new technology) : FM/AM Signal line Notes: S971: Mode switch. : XM Signal line S972: Half switch.
  • Page 66 SA-AK450P / SA-AK450PC...

  • Page 67: Schematic Diagram

    12 11 R7220 R7330 W7002 W7004 5.6K C7335 X7201 C7315 IC7002 0.47 H2B169500005 BA5948FPE2 C7334 4 CH DRIVE IC C7338 10V220 0.056 R7323 R7331 3.3k R7325 R7315 3.3k R7332 R7335 M7301 M7302 TRAVERSE MOTOR SPINDLE MOTOR SA-AK450P/PC CD SERVO CIRCUIT...

  • Page 68: Bxm Module Circuit

    XM SAT RADIO DRIVER 100mA (CN3100) SC_RXD SC_RATE IN SCHEMATIC SC_TXD ANT_REV DIAGRAM-4 [12]SLAVE_SEL [25]VSS ANT_REV [13]I2S_RATE 4.7K DTIC_RST RST- DGND DGND 16 17 18 19 5.3V H0A451500001 5.3V 5.3V 500mA PWR_CTRL J0JHC0000107 C0DBZYE00002 POWER SUPPLY SA-AK450P/PC XM MODULE CIRCUIT...

  • Page 69: C) Main Circuit

    SA-AK450P / SA-AK450PC 19.3. (C) Main Circuit SCHEMATIC DIAGRAM - 3 MAIN CIRCUIT : CD SIGNAL : TAPE PLAYBACK SIGNAL LINE : FM/AM/XM SIGNAL LINE : MAIN SIGNAL LINE : AUX/IPOD SIGNAL LINE : +B SIGNAL LINE : TAPE RECORD SIGNAL LINE...
  • Page 70 SA-AK450P / SA-AK450PC SCHEMATIC DIAGRAM - 4 MAIN CIRCUIT : +B SIGNAL LINE : XM SIGNAL LINE : MAIN SIGNAL LINE : IPOD SIGNAL LINE R2334 R2335 R2331 C2333 W587 C2331 Q2317,Q2417 4700P R2333 B1ABCF000176 MUTING SWITCH CN2809 F_HOP R2316 2.2k...
  • Page 71 SA-AK450P / SA-AK450PC SCHEMATIC DIAGRAM - 5 MAIN CIRCUIT : +B SIGNAL LINE : FM/AM SIGNAL LINE : MAIN SIGNAL LINE : IPOD SIGNAL LINE : CD SIGNAL LINE W658 D2811 B0ADCJ000020 R2894 R2121 W617 3.3k TO MAIN SECTION (1/4) C2121 +3.3V...
  • Page 72 SA-AK450P / SA-AK450PC SCHEMATIC DIAGRAM - 6 MAIN CIRCUIT : +B SIGNAL LINE : MAIN SIGNAL LINE : AUX SIGNAL LINE : USB SIGNAL LINE TO MAIN SECTION (2/4) IDCDET C2940 0.1u Q2942 R2940 B1ACKD000006 820k FAN MOTOR ON/OFF SWITCH...

  • Page 73: D) Panel Circuit

    SA-AK450P / SA-AK450PC 19.4. (D) Panel Circuit SCHEMATIC DIAGRAM - 7 PANEL CIRCUIT :+B SIGNAL LINE : MAIN SIGNAL LINE : AUX SIGNAL LINE TRANSFORMER CIRCUIT (CN5951) IN SCHEMATIC DIAGRAM-12 H6555 R6631 W924 D6301 B0ACCK000005 R6632 GND2 SYS6V SYS6V GND3...

  • Page 74: Mechanism Circuit

    R6491 -DEMO R6107 S6306 R6307 2.7K 2.7K C6492 C6491 100P 100P R6108 4.7K S6109 R6308 R6310 4.7K H. BASS DISPLAY S6308 COM B R6309 6.8K R972 R973 VR6491 EVEKE2F3024B VOLUME JOG IC971 CNB13030R2AU PHOTO INTERUPTOR SA-AK450P/PC SUB PANEL/D-PORT/DECK MECHANISM CIRCUIT...

  • Page 75: G) Power Circuit

    SA-AK450P / SA-AK450PC 19.6. (G) Power Circuit SCHEMATIC DIAGRAM -9 POWER CIRCUIT : MAIN SIGNAL LINE : +B SIGNAL LINE : -B SIGNAL LINE Q5154 2SB0709AHL Q5173 R5154 W679 PCONT SWITCH B1ABCF000176 R5153 SWITCH R5148 IC5301 IC5401 C5121 R5174 W751...
  • Page 76 SA-AK450P / SA-AK450PC SCHEMATIC DIAGRAM - 10 POWER CIRCUIT : MAIN SIGNAL LINE : +B SIGNAL LINE : -B SIGNAL LINE L5604 C5335 0.015 G0B9R5K00001 C5343 0.015 C5334 0.015 LEFT LOW + LEFT LOW - LEFT HIGH + LEFT HIGH -...

  • Page 77: H) Deck Circuit

    SA-AK450P / SA-AK450PC 19.7. (H) Deck Circuit SCHEMATIC DIAGRAM - 11 DECK CIRCUIT : TAPE RECORD SIGNAL LINE : TAPE PLAYBACK SIGNAL LINE : +B SIGNAL LINE C1105 470P R1103 C1122 0.01 R1101 C1104 0.027 CP1301 ERASE Q1101,Q1201 ERASE HEAD...

  • Page 78: J) Transformer Circuit

    SA-AK450P / SA-AK450PC 19.8. (J) Transformer Circuit SCHEMATIC DIAGRAM - 12 TRANSFORMER CIRCUIT :+B SIGNAL LINE FP5940 C5940 50V1000u C5960 0.1u +VCC1 C5920 50V1000u +VCC1 FP5920 -VCC1 T5950 POWER CIRCUIT -VCC1 G4CYAYY00147 (H5104) IN MAIN TRANSFORMER SCHEMATIC DIAGRAM-10 SUB+B CN5950...

  • Page 79: Printed Circuit Board

    SA-AK450P / SA-AK450PC 20 Printed Circuit Board Note: Circuit board diagrams may be modified at any time with the development of new technology.

  • Page 80: A) Cd Servo P.c.b., (H) Deck P.c.b. & (I) Deck

    SA-AK450P / SA-AK450PC 20.1. (A) CD Servo P.C.B., (H) Deck P.C.B. & (I) Deck Mechanism P.C.B. CD SERVO P.C.B (REPV0111A) DECK P.C.B (REPV0134B) (RF) TP51 C7227 W1930 TP19 W7014 Q1309 CN1305 Q1310 TP14 C7204 W7015 C7226 W1909 W1935 R7212 TP18...

  • Page 81: C) Main

    SA-AK450P / SA-AK450PC 20.2. (C) Main P.C.B. MAIN P.C.B (REPV0130F) W574 W565 R2447 C2705 R2702 R2941 W566 W573 W570 C2941 R2446 C2312 R2145 Q2441 W277 W567 W572 W569 R2705 R2703 R2944 R2315 C2703 C2944 C2441 C2341 C3502 Q2943 C2314 C2313...

  • Page 82: D) Panel

    SA-AK450P / SA-AK450PC 20.3. (D) Panel P.C.B. PANEL P.C.B (REPV0131D) S6103 S6201 (CD1) (OPEN/CLOSE) R6481 R6105 R6202 S6102 S6202 (CD2) (MULTI CHANGE) W807 R6632 W808 W809 S6203 R6102 (CD3) L6553 L6551 W909 S6104 (SINGLE CHANGE) (CD4) S6204 W840 L6552 W911...

  • Page 83: B) Xm Module P.c.b. (Side A & B), (E) Sub Panel P.c.b

    SA-AK450P / SA-AK450PC 20.4. (B) XM Module P.C.B. (Side A & B), (E) Sub Panel P.C.B. & (F) D-Port P.C.B. D-PORT P.C.B (REPV0129A) SUB PANEL P.C.B (REPV0131D) D6462 JW6001 CN806A (VOL. LED) S6304 S6305 R6302 R6303 (TUNER) (EXT_IN) R6457 WA3004...

  • Page 84: G) Power

    SA-AK450P / SA-AK450PC 20.5. (G) Power P.C.B. POWER P.C.B (REPV0133E) H5104 W701 C5171 W602 C5102 W716 C5103 C5172 R5203 W662 W697 R5201 R5202 W698 Q5202 C5204 W700 C5203 W691 C5202 W737 W638 R5207 Q5201 C5301 C5302 R5522 C5332 C5330 R5206...

  • Page 85: J) Transformer

    SA-AK450P / SA-AK450PC 20.6. (J) Transformer P.C.B. TRANSFORMER P.C.B (REPV0132D) T5951 125V 4A (SUB TRANSFORMER) L5950 C5953 Q5950 J5955 R5952 Z5950 C5951 C5952 D5952 RL5950 C5954 JK5950 Q5952 W5914 Q5953 W5915 CN5951 R5958 AC IN ~ W5905 R5951 R5960 120V 60Hz...
  • Page 86 SA-AK450P / SA-AK450PC...

  • Page 87: Illustration Of Ics, Transistors And Diodes

    SA-AK450P / SA-AK450PC 21 Illustration of ICs, Transistors and Diodes C0AABB000125 C0FBBY000027 (16P) C0CBAHG00011 C1AA00000612 C1BB00001121 (100P) C0DBZYE00002 (8P) MN6627954MA (100P) C1AB00002670 (48P) C2CBYY000424 (100P) C0HBB0000057 (44P) C0CBCDG00003 C0JBAB000011(14P) AN7326K (26P) C0DBZGC00067 C0GAG0000007 BA5948FPE2 C0ABBB000230 (8P) C1BA00000487 (24P) CNB13030R2AU C0DAZYY00005...

  • Page 88: Terminal Function Of Ic's

    SA-AK450P / SA-AK450PC 22 Terminal Function of IC's 22.1. IC7001 (MN6627954MA) Servo Processor,Digital Signal Processor/Digital filter and D/A Converter Pin No. Mark Function Pin No. Mark Function DRAM address signal O/P 11 DSLF Loop Filter Terminal (For DSL) DRAM address signal O/P 9...

  • Page 89: Ic7003 (Ba5948Fpe2) Ic 4Ch Drive

    SA-AK450P / SA-AK450PC 22.2. IC7003 (BA5948FPE2) IC 4CH Drive Pin No. Mark Function Pin No. Mark Function Motor Driver 92 Input Motor Drive (3) reverse - action output Turntable Motor Drive Signal (“L”:ON) Motor Drive (3) forward - action output...
  • Page 90 SA-AK450P / SA-AK450PC Pin No. Mark Function CLOSE_SW CLOSE switch for CRS1 OPEN_SW Open switch for CRS1 CRS1 motor CW CRS1 motor CCW ST_SW Stock switch for CRS1 PLAY_SW Play switch for CRS1 PLUNGER Plunger for CRS1 Region Setting VOL_JOG...

  • Page 91: Exploded Views

    SA-AK450P / SA-AK450PC 23 Exploded Views 23.1. Cabinet Parts Location...
  • Page 92 SA-AK450P / SA-AK450PC...

  • Page 93: Deck Mechanism Parts Locations (Raa4403-S)

    SA-AK450P / SA-AK450PC 23.2. Deck Mechanism Parts Locations (RAA4403-S)

  • Page 94: Packaging

    SA-AK450P / SA-AK450PC 23.3. Packaging...

  • Page 95: Replacement Parts List

    SA-AK450P / SA-AK450PC 24 Replacement Parts List Notes: · Important safety notice: Components identified by mark have special characteristics important for safety. Furthermore, special parts which have purposes of fire-retardent (resistors), high-quality sound (capacitors), low noise (resistors), etc are used.
  • Page 96 SA-AK450P / SA-AK450PC Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks RXF0061-1 FLYWHEEL F ASS’Y Q1317 B1ABGC000005 TRANSISTOR RXG0040 FF RELAY GEAR ASS’Y Q2142 B1ABCF000176 TRANSISTOR RMK0283A-2 SUB-CHASSIS Q2242 B1ABCF000176...
  • Page 97 SA-AK450P / SA-AK450PC Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks D3501 B0EAKM000117 DIODE S6301 EVQ21405RJ SW DECK1 D3502 B0EAKM000117 DIODE S6302 EVQ21405RJ SW CD D3503 B0EAKM000117 DIODE S6303 EVQ21405RJ...
  • Page 98 SA-AK450P / SA-AK450PC Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks W593 ERJ3GEY0R00V CHIP JUMPER COMPONENT COMBINATIONS W594 ERJ3GEY0R00V CHIP JUMPER W595 ERJ3GEY0R00V CHIP JUMPER Z5950 ERZV10V511CS ZENER W596 ERJ3GEY0R00V...
  • Page 99 SA-AK450P / SA-AK450PC Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks W668 ERJ8GEY0R00V CHIP JUMPER W7025 D0GBR00JA008 CHIP JUMPER W669 ERJ8GEY0R00V CHIP JUMPER W7026 D0GBR00JA008 CHIP JUMPER W670 ERJ6GEY0R00V CHIP JUMPER...
  • Page 100 SA-AK450P / SA-AK450PC Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks D0GB104JA007 100K 1/16W R2173 D0GB472JA041 4.7K 1/16W D0GB104JA007 100K 1/16W R2181 D0GB471JA041 470 1/16W D0GB470JA008 47 1/16W R2182 D0GBR00JA008...
  • Page 101 SA-AK450P / SA-AK450PC Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R2435 D0GB102JA008 1K 1/16W R2851 D0GB473JA041 47K 1/16W R2441 D0GB180JA008 18 1/16W R2852 D0GB223JA041 22K 1/16W R2443 D0GB180JA008 18 1/16W...
  • Page 102 SA-AK450P / SA-AK450PC Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R3425 ERJ6GEYJ103V 10K 1/10W R5403 D0GB562JA007 5.6K 1/16W R3426 ERJ6GEYJ272V 2.7K 1/10W R5404 D0GB562JA007 5.6K 1/16W R3427 ERJ6GEYJ272V 2.7K 1/10W...
  • Page 103 SA-AK450P / SA-AK450PC Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R7217 D0GB102JA008 1K 1/16W C1206 F2A1H2R2A145 2.2 50V R7218 D0GB102JA008 1K 1/16W C1207 F1H1H152A219 1500P 50V R7220 ERJ3GEYJ105V 1M 1/16W...
  • Page 104 SA-AK450P / SA-AK450PC Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks C2325 F2A1C100A234 10 16V C3113 ECJ1VB1H221K 220P 50V C2331 F1H1H472A219 4700P 50V C3400 ECJ2FB0J106K 10 6.3V C2333 F1H1A105A025 1 10V...
  • Page 105 SA-AK450P / SA-AK450PC Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks C5312 ECJ1VB1H104K 0.1 50V C5957 F2A1H100A234 10 50V C5313 F1H1H153A219 0.015 50V C5958 F1B1H103A007 0.01 50V C5314 F1K2A1040006 0.1 100V...

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Sa-ak450pcSb-ak450

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