Kenwood KRC-509S Service Manual
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Kenwood KRC-509S Service Manual

Kenwood KRC-509S Service Manual

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CASSETTE RECEIVER
KRC-509S/689
QQ
3 7 63 1515 0
SERVICE MANUAL
KRC-509S (K)
KRC-689 (M)
TE
L 13942296513
The following reference numbers with accessory parts are the same reference numbers
used on EXPLODED VIEW and PARTS LIST.
201
277
www
.
KRC-509S
CR2
47W x 4
LOUD
B NR
SCAN
B.S/RDM
KRC-689
CR2
47W x 4
LOUD
B NR
SCAN
B.S/RDM
DC1
261
780
x
ao
u163
y
i
2 9
8
PROG
REP
MTL/M.RDM
AUTO
DISP
AME
NAME.S
PROG
Q Q
3
6 7
1 3
1 5
REP
MTL/M.RDM
AUTO
DISP
AME
NAME.S
222
x2
co
.
9 4
2 8
© 2001-4 PRINTED IN KOREA
B51-7795-00 (K) 1752
PWR OFF
AUD
PWR OFF
0 5
8
2 9
9 4
2 8
AUD
216
259
276
m
9 9
9 9
RC1

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Summary of Contents for Kenwood KRC-509S

  • Page 1 CASSETTE RECEIVER KRC-509S/689 3 7 63 1515 0 SERVICE MANUAL © 2001-4 PRINTED IN KOREA B51-7795-00 (K) 1752 KRC-509S (K) KRC-509S PROG PWR OFF 47W x 4 LOUD B NR SCAN B.S/RDM MTL/M.RDM AUTO DISP NAME.S KRC-689 (M) KRC-689 PROG...
  • Page 2 VOLTAGE DRIVER LIMITTER BACK UP MOT+B MAIN MOT ILL AVR V-ILL TYPE TYPE RESET RESET REMO REMO KRC-509S/689 (K/M) PANEL G/R SW G/R SW MATRIX U-COM MATRIX DRIVER u 1 6 3 KRC-579R/RY (E) KRC-609,679R/RY,781R/789 (K/E/M) KRC-V679R/RY (E) LCD DRIVER...

  • Page 3: Component Description

    KRC-509S/689 3 7 63 1515 0 COMPONENT DESCRIPTION SYNTHESIZER UNIT (X14-xxxx-xx) FUNCTION OPERATION Q1-4 PREOUT MUTE SW Preouts are muted when the base level goes "H". Q17,20 AUDIO 8V AVR Q20 is turned on when Q17's base level goes "H".

  • Page 4: Microcomputer's Terminal Description

    KRC-509S/689 3 7 63 1515 0 MICROCOMPUTER'S TERMINAL DESCRIPTION (X14-) IC1 : SYSTEM µ-COM PORT PORT NAME FUNCTION OPERATING CONDITION AM+B AM power supply. "H" : During receiving AM. FM+B FM power supply. "H" : During receiving FM. "H" : During receiving.
  • Page 5 KRC-509S/689 3 7 63 1515 0 MICROCOMPUTER'S TERMINAL DESCRIPTION (X14-) IC1 : SYSTEM µ-COM PORT PORT NAME FUNCTION OPERATING CONDITION ILLUMI-ON Illumination. "H" : Illumination on. "L" : Illumination off. 53,54 BVDD Power supply. BVSS GND. TYPE-2 I/O Destination SW.

  • Page 6: Test Mode

    KRC-509S/689 3 7 63 1515 0 TEST MODE TEST MODE • Balance is adjusted in 3 steps of Left Max/Center/Right 1. How to enter the test mode Max with the Track Up/Down keys. While holding the FM and Preset 6 keys, reset the unit.
  • Page 7 KRC-509S/689 3 7 63 1515 0 TEST MODE 11. Other specifications (3) The security code is cleared and the unit enters the • Automatic panel closing when a tape/CD is inserted is ALL OFF mode. inhibited. (M&T model) (4) If you commit a mistake in the code entry, the unit •...
  • Page 8 KRC-509S/689 3 7 63 1515 0 ADJUSTMENT BALANCE/FADER/BASS/TREBLE : CENTER T.ADV/METAL/DOLBY NR/AUTO : OFF INPUT OUTPUT RECEIVER ALIGNMENT ITEM ALIGN FOR FIG. SETTINGS SETTINGS SETTINGS POINTS CASSETTE DECK SECTION Connect an DOLBY VR1 (L ch) AC voltmeter (PLAY BACK TCC-130...
  • Page 9 PC BOARD (Component side view) (X14-) Ref. No. IC1 IC2 IC4 IC10 IC11 IC13 IC15 IC16 Q1 Q2 Q3 Q4 Q17 Q18 Q20 Q21 Q22 Q23 Q24 Q25 Q26 Q27 Q28 Q29 Q30 3 7 6 3 1 5 1 5 0 Addtess 5E 2H 2H 2H 2H SWITCH UNIT...
  • Page 10 PC BOARD(Foil side view) (X14) 3 7 6 3 1 5 1 5 0 Ref.No. IC1 IC2 IC4 IC10 IC11 IC13 IC15 IC16 Q1 Q2 Q3 Q4 Q17 Q18 Q20 Q21 Q22 Q23 Q24 Q25 Q26 Q27 Q28 Q29 Q30 Address 2O 2P 2O 2O SWITCH UNIT...
  • Page 11 FRONT R REAR R VIOL 3.9K 0.47u50 BLU/WHT P. CON/ANT CON 47u6.3 100K ORG/WHT ILLMI DC CORD SW5V SW5V KRC-509S/609 (K) Q33,34,40,44 Q41,42 ILLUMINATION AVR MOTOR SW IC10 PRE OUT E-VOL NOISE R125 MUTE CHANCELLOR/MPX MUTE R82 100K DRIVER LOGIC...
  • Page 12 P- RESET RESET R371 470 REMO REMO L CE R370 470 L CLK D GND D GND ILL GND KRC-509S/689 (K/M) (1/2) VDD 1 SW 1 KRC-579R/RY (E) (1/2) S.GND ILL+B SRT MECHA. w w w DTA123JK 2SA1576A KRC-609,679R/RY,781R/789 (K/E/M) (Ref.
  • Page 13 5.0V R7 22K EJECT w w w u 1 6 3 KRC-509S/689 (K/M) (2/2) CAUTION: For continued safety, replace safety critical components only with manufacturer's rec- ommended parts (refer to parts list). indicates safety critical components. For continued protec- KRC-509S/689 tion against risk of fire, replace only with same type and rating fuse(s).

  • Page 14: Exploded View (Mechanism)

    KRC-509S/689 3 7 63 1515 0 EXPLODED VIEW (MECHANISM) L 13942296513 u163 D40-1147-05 Parts with exploded numbers larger than 700 are not supplied.

  • Page 15: Exploded View (Unit)

    : N80-3008-46 M3x14 : N84-3014-46 M3x4 : N09-4368-05 M3x5 : N09-4318-05 (X14-) L 13942296513 (X16-) (X14-) (X14-) (X14-) (X16-) (X13-) (X13-) (X13-) (X13-) (X13-) (X13-) (X13-) (X13-) u163 KRC-509S/689 (K/M) Parts with exploded numbers larger than 700 are not supplied.

  • Page 16: Parts List

    Description Description Ref. No. Parts No. Ref. No. Parts No. nation nation ✽ H54-2044-03 ITEM CARTON CASE (KRC-509S) K1 KRC-509S/689 ✽ H54-2047-03 ITEM CARTON CASE (KRC-689) 1C ✽ A02-1497-03 PLASTIC CABINET ASSY 1D ✽ J12-1156-04 3C ✽ A21-4073-03 DRESSING PANEL 3C ✽...

  • Page 17: Synthesizer Unit (X14-646X-Xx)

    CHIP C 0.22UF E40-9184-05 PIN ASSY C101,102 CK73GB1C104K CHIP C 0.10UF C101,102 CK73GB1H104K CHIP C 0.10UF E58-0863-15 RECTANGULAR RECEPTACLE K1 : KRC-509S E : Europe K : North America M : Other Areas M3 : KRC-689 indicates safety critical components.
  • Page 18 CHIP R 1/10W R369 RK73GB1J472J CHIP R 4.7K 1/16W R110 R92-0365-05 CHIP R 1.0K 1/2W R370,371 RK73EB2B471J CHIP R 1/8W K1 : KRC-509S E : Europe K : North America M : Other Areas M3 : KRC-689 indicates safety critical components.
  • Page 19 2SD601A TRANSISTOR MA3036-H ZENER DIODE 2SB1443 TRANSISTOR 02CZ3.6-Z ZENER DIODE DTA123JK DIGITAL TRANSISTOR ✽ KRA105S DAP202K DIODE DIGITAL TRANSISTOR K1 : KRC-509S E : Europe K : North America M : Other Areas M3 : KRC-689 indicates safety critical components.

  • Page 20: Sub-Circuit Unit (X16-1180-10)

    GEAR D10-4381-08 D10-4382-08 ARM ASSY D10-4383-08 ARM ASSY J11-0632-08 CLAMPER D01-0613-08 FLYWHEEL ASSY u163 D16-0616-08 BELT D10-4385-08 J19-4953-08 HOLDER K1 : KRC-509S E : Europe K : North America M : Other Areas M3 : KRC-689 indicates safety critical components.

  • Page 21: Specifications

    (Depth) Weight 1.5Kg 1.5Kg KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. Manufacture under license from Dolby Laboratories. KENWOOD CORPORATION "Dolby" and the double-D symbol are trademarks of Dolby Laboratories.

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Krc-689

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