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Kenwood R-SE7 Service Manual
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Kenwood R-SE7 Service Manual

Kenwood R-SE7 Service Manual

Stereo integrated amplifier/tuner
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STEREO INTEGRATED AMPLIFIER/TUNER
R-SE7/SE-7(G)

SERVICE MANUAL

(HM-701)
Panel *
(A60-)
stereo integrated amplifier/tuner
phones
on/standby
Knob
(K29-6744-04)
AC power cord *
(E30-)
SPEAKER
(6 – 16 Ω)
Lock terminal board *
(E70-)
PRECAUTIONS FOR REPAIR
• For the SERIAL TEST CODE LIST of the circuit description, see Service manual (B51-5210-00) of R-SA7.
• No connection of ground line if disassemble the unit.
• Please connection the ground line on rear panel, PCBs, Chassis and some others.
down
Front glass
(B10-2373-03)
Power cord bushing
Metallic cabinet *
(J42-0083-05)
(A01-)
SUB
WOOFER
PRE OUT
R
L
R
L
IN
CD
Phono jack
(E63-1014-05)
©1997-10/B51-5373-00 (K/K) 3191
Indicator
Escutcheon
(B12-0322-04)
(B07-2367-03)
pure
volume
control
up
Knob
Escutcheon
(K29-6358-04)
(B07-2363-04)
Lock terminal board
(E20-0476-05)
FM75Ω
AM
FM300Ω
GND
IN
REC OUT
PLAY OUT
REC OUT
MD
AUX
TAPE
Phono jack
Phono jack
(E63-0046-15)
(E63-0047-15)
* Refer to parts list on page 25.
Panel *
(A60-)
pure
N.B.
enter
input selector
turning
band
auto/mono
Indicator
Knob
(B12-0320-04)
(K29-6750-03)
SYSTEM
CONTROL
ANTENA
PLAY OUT
Rectangular receptacle
(E08-0312-05)

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Summary of Contents for Kenwood R-SE7

  • Page 1: Service Manual

    STEREO INTEGRATED AMPLIFIER/TUNER R-SE7/SE-7(G) SERVICE MANUAL (HM-701) ©1997-10/B51-5373-00 (K/K) 3191 Panel * Panel * Indicator Escutcheon (A60-) (A60-) (B12-0322-04) (B07-2367-03) stereo integrated amplifier/tuner pure volume pure N.B. control enter input selector turning band phones down auto/mono on/standby Knob Knob Front glass...
  • Page 2 R-SE7/SE-7(G) CONTENTS / ACCESSORIES Contents CONTENTS / ACCESSORIES ........2 SCHEMATIC DIAGRAM .......... 13 CIRCUIT DESCRIPTION ..........3 EXPLODED VIEW ............24 ADJUSTMENT ............8 PARTS LIST..............25 PC BOARD .............. 10 SPECIFICATIONS ........Back cover Accessories AM loop antenna (1) FM indoor antenna (1)

  • Page 3: Circuit Description

    R-SE7/SE-7(G) CIRCUIT DESCRIPTION 1. INITIAL STATE 2. BACKUP (1) AMP-related block This function holds the current state of the unit even if the EPOWER AC power of the receiver is turned OFF. ESELECTOR SOURCE TUNER (1) Operation outline SELECTOR EDISPLAY EN.B.
  • Page 4 R-SE7/SE-7(G) CIRCUIT DESCRIPTION 3. DESTINATION LIST OF TUNER E After that, the all-lighting mode is canceled when any main unit's key is pressed. The normal display obtained 3-1 Destination List of Tuner when the selector is set to TUNER then appears.
  • Page 5 R-SE7/SE-7(G) CIRCUIT DESCRIPTION [ AUTO key ] Selects the MUTE operation and equalizer B Set the TUNER ATT to ON and display the S level in cyclically in the order below for operation display every time hexadecimal when the ENTER key is pressed. ("ATT ON this key is pressed.
  • Page 6 58 KR2 64 KS0 DSW0 DSW1 (D158) DSW2 (D159) 63 KS1 POWER AUTO / MONO BAND (R-SE7) INPUT SEL. (R-SE7) TUNING UP 62 KS2 N. B. CIRCUIT (R-SE9) MODE (R-SE9) No. use (R-SE7) TUNING DOWN 61 KS3 pure A ENTER...
  • Page 7 R-SE7/SE-7(G) CIRCUIT DESCRIPTION 5-2 Pin description Pin No. Name Description Active 7G~1G FL grid 7~1 — — Micro processor power supply (+5V) — E2PROM SCL E2PROM control clock — E2PROM SDA E2PROM control data — ENC C — Multi control encoder input A —...

  • Page 8: System Connections

    R-SE7/SE-7(G) ADJUSTMENT FM SECTION SELECTION :FM X05-4622-71 (E/T TYPE) INPUT OUTPUT TUNER ALIGNMENT ITEM ALIGN FOR FIG. SETTINGS SETTINGS SETTINGS POINTS Connect a DC L 31 voltmeter 98.0kHz MONO DISCRIMINATOR between 1kHz, ±75kHz dev. 98.0MHz Pin 1 and Pin 2 L 32 Minimum distortion.
  • Page 9 R-SE7/SE-7(G) PARTS DESCRIPTIONS...
  • Page 10 BOARD(Component side view) TUNER UNIT (X05-4600-12) : K (X05-4600-72) : M TUNER UNIT (X05-4622-71) : ET Refer to the schematic diagram for the value of resistors and capacitors.
  • Page 11 PC BOARD(Component side view) AUDIO UNIT (X09-4690-11) : K (X09-4690-21) : M (X09-4692-71) : ET Refer to the schematic diagram for the value of resistors and capacitors.
  • Page 12 TUNER UNIT (X05-4600-xx) 2SA1534A 2SC4137 2SA954 +12V +12V +12V 2SA992 2SB764 2SC1845 2SC2003 5.1V C3 4P 2SB1659 2SD2589 FM FRONT END A1 (W02-2608-05) 3.7V 2.5V AM ANT 2.5V 2.4V 1/4W 0.01 (2.1V) FM:11.0V 1.8V(2.1V) (3.0V) (2.0V) (1.0V) J2 0 ST:4.2V MONO:2.7V FM 300Ω...
  • Page 13 NJM4565L-D LA1832 S-LEVEL X24C04S 13.1V X09-A/8 +12V +12V +12V +12V STEREO (1/2) 10u16 10u16 3.3K 13.1V +12V +12V 150K -12V -12V -13.6V T.MUTE BUFFER PLLDATA PLLCLK -12V -12V PLLCE PLLDO CH SPACE 150K 10u16 3.3K 10u16 (2/2) R-SE7 R-SE7/SE-7(G) Y05-3480-11...
  • Page 14 TUNER UNIT (X05-4622-71) : TE A1 FM FRONT END(W02-2565-05) AM ANT DISTORTION (ST) J2 0 VT 5 RF AMP FM 75Ω 9.9V VCC 4 100K : 2SK360 IF-OUT 0.01 : 2SC2620QB BUFFER TR3~5 : 2SC2413K or 2SC2778 OSC 6 D1~3 : 1SV225 or HVM16 : LA1836 : LC72131...
  • Page 15 DIVIDER 1.2K MUTE POWER UNLOCK CONTROL DETECTOR 12.3V RESET 12.1V(0V) 1.2K Q103 C B I / F DATA SHIFT REGISTER LATCH UNIVERSAL COUNTER Q102 R101 2.5V D101 3.6V MUTE ON:0V 11.5V(12.0V) MUTE OFF:4.8V C92 470P 0V(9.7V) 12.3V R-SE7 R-SE7/SE-7(G) Y05-3480-11...
  • Page 16 AUDIO UNIT (X09-4690-00) (A/7) CN11 18.5V +20V SLEVEL LEVEL IN -24.0V -21V -20V R156 4.7K -19.5V T.MUTE 24.0V Q13-16 1.2V +24.8V PHONES -12V -12V D.GND MUTE -15.1V +12V +12V +12V 5.6V +5.6V +5.6V +5.6V 1/4W 0.7V F.OFF PLL/SEL DATA 100P PLL/SEL CLK IDLE ADJ.(L)
  • Page 17 DISPLAY UNIT (X09- ) (F/7) (X09-469x-xx) (D/7) R177 100K C131 20V AVR 10u25 18.5V MUTE 11.4V +23.6V 23.6V CN10 (2/2) R142 (1/2) LEVEL -24.0V A CLASS MUTE DETECTOR LEVEL -11.9V -6dB (1/2) ATT. 2.2K 2.2u50 -12V -12V -12V R131 120 +12V +12V MUTE...
  • Page 18 D511 X502 32.768 C528 100P R557 10K R554 100K X501 4.194MHz R553 100K D503 R549 10K R548 10K R587 2.2K D521 R586 2.2K 5.0V +5.6V +5.6V +5.6V R-SE7 19 18 17 16 15 14 13 12 11 CN15 R-SE7/SE-7(G) Y05-3480-11...
  • Page 19 ø 3x12 : N09-0333-05 (15P) M3x10 : N09-2961-05 ø 3x18 : N09-2912-05 (G/7) (B/7) (15P) pure A N.B. S501 S504 volume control enter input selector S502 S505 S516 tuning S503 S506 phones band S509 S501 S507 R-SE7 on/standby auto/mono S508...
  • Page 20 Ref. No Parts No. Description Ref. No Parts No. Description ress Parts nation marks marks ress Parts nation R-SE7 J19-3331-05 UNIT HOLDER J42-0083-05 POWER CORD BUSHING A01-3471-11 METALLIC CABINET MET1T2 J19-3645-05 ANTENNA STAND A01-3541-01 METALLIC CABINET J61-0307-05 WIRE BAND A22-1783-11...
  • Page 21 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 22 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 23 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 24 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 25 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 26 New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. Add- Desti- Ref. No Parts No. Description ress Parts nation marks 2SB764(E,F) TRANSISTOR 2SD2525 TRANSISTOR...

  • Page 27: Specifications

    H : 77 mm D : 278 mm Weight (net) ..............3.0 kg 1. KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. Notes 2. Sufficient performance may not be exhibited at extremely cold locations (where water freezes.).

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