Kenwood R-K521-S Service Manual
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Kenwood R-K521-S Service Manual

Compact hi-fi component system
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COMPACT HI-FI COMPONENT SYSTEM
R-K521-S, R-K521-B,
LS-K521-B
(K-521)
SERVICE MANUAL
FITTING ASSY S
(A29-1503-08):S
FITTING ASSY B
(A29-1506-08):B
FOOT ASSY
(J02-1606-08)
SPK TERMINAL
(E70-1048-08)
POWER CORD
(E30-7427-08)
COPYRIGHT © 2009 Victor Company of Japan, Limited
LOOP ANTENNA
ANTENNA
(T90-0934-08)(1)
(T90-0945-08)(1)
DANGER:
Please do not lock at the laser beam directly
during repair or operation check.
AL PANEL ASSY
(A60-2588-08):S
VOL KNOB ASSY
FL LENS
(K29-8768-08):S
(B10-5665-08):B
(K29-8759-08):B
3.5 JACK
(E63-1452-08)
TOP PANEL
3.5 JACK
(A02-3186-08):S
(E63-1452-08):S
(A02-3185-08):B
(E11-1023-08):B
PIN JACK
PIN JACK
OPT RECEIVER
(E63-1451-08)
(E63-1450-08)
(W02-4726-08)
R
D.AUDIO
IN
SUB
L
WOOFER
R
L
PRE OUT
REC OUT
PLAY IN
SPEAKERS
DIGITAL OUT
OPT TRANSMITTER
TUNER
(W02-4727-08)
(W02-4730-08)
ACCESSORIES
REMOCON
(RC-RP0502E : 1)
(A70-1755-08)
3
2010
KA101<Rev.001>
SERVICE MANUAL
DIGITAL IN
BATTERY
(R03 : 2)
( - )
This product complies with the RoHS directive for the European market.
©
2010-3 PRINTED IN JAPAN
B53-4074-00
TOP PANEL
IPOD DOOR
(A02-3186-08):S
(A52-1052-08):S
(A02-3185-08):B
(A52-1051-08):B
USB
LENS (S) ASSY
(B10-5672-08):S
USB CONNECTOR
LENS (B) ASSY
(E58-0112-08)
(B10-5671-08):B
FERRITE CORE
SPEAKER CORD
(L92-0900-08)(1)
(2m 2)
(E30-7426-08)
This product uses Lead Free solder.
KA101<Rev.001>

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  • Page 1 KA101<Rev.001> 2010 COMPACT HI-FI COMPONENT SYSTEM R-K521-S, R-K521-B, SERVICE MANUAL LS-K521-B (K-521) © 2010-3 PRINTED IN JAPAN B53-4074-00 SERVICE MANUAL KA101<Rev.001> AL PANEL ASSY FITTING ASSY S TOP PANEL IPOD DOOR (A29-1503-08):S (A60-2588-08):S VOL KNOB ASSY (A02-3186-08):S (A52-1052-08):S FITTING ASSY B...

  • Page 2: Test Mode

    While the POWER is ON, set the input selector to CD, press K-521-B R-K521-B LS-K-521-B and hold the [STOP] key, and then press [POWER] on the re- K-521-SB R-K521-S LS-K-521-B mote controller. 2. Function Dealer's lock switches Lock/Unlock the tray. CAUTION •...

  • Page 3: Signal Flow

    1. SIGNAL FLOW COD_MCLK MAIN PWB CN630 TUL, TUR J2003 TUNER IC200 AUXL_OUT AUXL IC206 MODULE AUXR_OUT AUXR TU_DI AUX OUT AUX AMP TU_DO CODEC TU_CLK NJM4565 (NJRC) COD_DI IC208 with MAIN CPU TU_CE COD_CL MUTING J2001 TUSD Multiplexer HS_MCLK COD_CE J3800 AUXL_IN, AUXR_IN...
  • Page 4 R-K521/LS-K521 PC BOARD DSP (SIDE A) C1412 C3182 R1203 C1404 R1202 D3071 R3182 D3102 R3082 D3002 R3135 D3035 R3061 C1416 Q3090 L1208 C1206 D3060 D3103 R1218 R1416 R3072 R3073 K1208 R1208 D3003 Q3081 R1406 R3062 R3063 K1207 R1205 D3104 C1244 IC304 R3180 D3004...
  • Page 5 R-K521/LS-K521 PC BOARD DSP (SIDE B)
  • Page 6 R-K521/LS-K521 PC BOARD D9320 C9340 FL (SIDE A) R9340 K9200 W9400 CN912 CN910 K9100 J9320 C9300 C9310 R9300 W9200 Q9121 IC911 K9300 C9121 D9121 K9110 K9130 Q9120 Q9122 R9130 C9132 K9120 FL910 C9117 R9116 R9401 R9118 Q9117 C9152 R9115 R9114 C9141 R9113 C9151...
  • Page 7 R-K521/LS-K521 PC BOARD iPod (SIDE A) TOUICH SW (SIDE A) TOUICH SW (SIDE B) IC763 R7633 C7540 R7536 C7532 R7631 R7540 K7607 R7541 K7613 R7515 R7514 R7513 R7512 R7506 R7511 R7510 W7610 R7508 C7517 R7500 R8002 C7545 Q8002 R8108 C7547 IC804 R8107 Q8001...
  • Page 8 R-K521/LS-K521 PC BOARD CD (SIDE A) CN801 CN702 CN701 K701 R701 K703 K705 K704 R329 R331 C333 CN101 R821 C305 R330 C815 C821 C315 R333 C330 X801 C332 R324 R364 C331 C316 R363 IC302 C329 R323 R322 C376 C314 C339 C218 R325 C807...
  • Page 9 R-K521/LS-K521 PC BOARD LOADER...
  • Page 10 R-K521/LS-K521 TO FLASH MICOM TO FLASH DEVICE KEY CN601 CN600 GVB10181-A6 R 6 0 1 1 # 1 0 K Q 6 0 1 2 3 . 2 V R T 1 N 1 4 4 C - X C N 6 3 0 K - 5 2 1 U X - J 5 1 K - 8 2 1 D V...
  • Page 11 R-K521/LS-K521 TO IPOD BOARD GVA10181-A8 C N 6 1 0 Q G F 1 0 1 6 F 8 - 1 9 W 4 7 . 2 V 3 2 V P G N D X 6 0 1 5 D G N D 5 .
  • Page 12 R-K521/LS-K521 TO SHEET 1/9 R 1 0 0 1 K - 5 2 1 U X - J 5 1 K - 8 2 1 D V Q R E 1 4 1 J - 3 3 2 Y J , K E , X E , X T O P O W E R B O X...
  • Page 13 R-K521/LS-K521 REMARK: * FOR K-521/UX-J51 ONLY. # FOR K-821DV ONLY. UX-J51 MODEL IS EQUIVALENT TO K-521 MODEL. GVB10181-A6 R 2 1 2 6 1 0 0 A U X O U T A U X L C 2 1 4 6 C 2 1 2 6 2 2 0 p / 5 0 C 2 1 4 7...
  • Page 14 R-K521/LS-K521 GVA10181-A1 W 9 4 0 0 FL910 Q U M 0 2 3 - 1 4 Z 3 Z 3 - E 2 . 8 V 2 . 8 V F K E Y S T B Y _ S W D G N D D G N D F K E Y...

  • Page 15: Touch Sensor

    R-K521/LS-K521 I N P U T S E L E C T O R R E W S T O P P L A Y / P A U S E I N P U T GVA10181-A2 S E L E C T O R GVA10181-A4 I N P U T _ S E L E C T O R R E W...
  • Page 16 R-K521/LS-K521 C 2 1 1 6 8 p R 2 0 7 R 2 0 8 R 2 2 3 6 . 8 k 1 0 k R 2 0 9 5 . 6 k R 2 0 4 R 2 0 5 R 2 2 2 1 5 k 2 7 k...

  • Page 17: Usb Control

    R-K521/LS-K521 G N D R 8 0 8 O P E N M M O D 1 N . C . R 8 0 7 O P E N U S B _ N R S T M M O D 0 O C D - S D A N R S T O C D - S C L...
  • Page 18 R-K521/LS-K521 QSW1074-001 QGF1016F3-05...
  • Page 19 iPod board Touch board USB board Digital output board Power SW board DSP board EJECT board FL board Headphone board SILVER...

  • Page 20: General Assembly

    R-K521/LS-K521 General Assembly Block No. [M][1][M][M] Symbol No. Part No. Part Name Description Local  A22-1950-08 FRONT BASE K-521-B A22-1953-08 FRONT BASE K-521-SB F07-2059-08 RIGHT COVER K-521-B N09-5663-08 TAPPING SCREW (x2) K-521-B F07-2064-08 LEFT COVER K-521-B N09-5663-08 TAPPING SCREW (x2) K-521-B B10-5670-08 FRONT LENS ASSY...
  • Page 21 R-K521/LS-K521  Symbol No. Part No. Part Name Description Local N09-5670-08 TAPPING SCREW (x2) K-521-SB J02-1606-08 FOOT ASSY (x4) N09-5664-08 TAPPING SCREW (x4) K29-8759-08 VOL KNOB ASSY K-521-B K29-8768-08 VOL KNOB ASSY K-521-SB A29-1506-08 FITTING ASSY B K-521-B A29-1503-08 FITTING ASSY S K-521-SB E35-4126-08 CARD WIRE...
  • Page 22 R-K521/LS-K521 CD mechanism and parts list Grease JVG-31N JVS-1003 FL-7750E JCFD-4007ZY2 < Back side > < Back side > CD board 3.20 0.10mm Loading board 12.0 0.10mm 18.00 0.10mm color:4 color:9 Parts with the exploded numbers lager than 700 are not supplied.
  • Page 23 R-K521/LS-K521 CD mechanism Block No. [M][2][M][M] Symbol No. Part No. Part Name Description Local  A11-1244-08 LOADER SUB ASSY D19-0338-08 C.D ROLLER D14-0835-08 RUBBER TUBE J99-0860-08 TRAY J90-1405-08 SHAFT GUIDE D10-5083-08 SHAFT N09-5622-08 TAPPING SCREW N09-5671-08 TAPPING SCREW (x2) T41-0147-08 MOTOR D15-0464-08 MOTOR PULLEY...

  • Page 24: Electrical Parts List

    R-K521/LS-K521 Electrical parts list Main board  Symbol No. Part No. Part Name Description Local Block No. [0][1] Q8005 RT1N141C-X DIGI TRANSISTOR  Symbol No. Part No. Part Name Description Local  Q9117 KTA1271/OY/-T TRANSISTOR Q9120 RT1N141C-X DIGI TRANSISTOR Q9121 KTA1271/OY/-T TRANSISTOR ...
  • Page 25 R-K521/LS-K521  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C1244 CK73GB1H104K C CAPACITOR 0.1uF 50V K C2192 CC73GCH1H100D C CAPACITOR 10pF 50V J C1261 CD04BG1C101M E CAPACITOR 100uF 16V M C2196 CC73GCH1H150J C CAPACITOR...
  • Page 26 R-K521/LS-K521  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C3245 CK73FB1E224K C CAPACITOR 0.22uF 50V K C3663 CC73GCH1H151J C CAPACITOR 150pF 50V J C3246 C91-1775-08 C CAPACITOR 1uF 25V K C3665 CC73GCH1H151J C CAPACITOR...
  • Page 27 R-K521/LS-K521  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C7517 CD04BJ1H100M E CAPACITOR 10uF 50V M R2015 RK73GB2A4R7J MG RESISTOR 4.7Ω 1/16W J C7518 CK73GB1H104K C CAPACITOR 0.1uF 50V K R2016 RK73GB2A103J MG RESISTOR...
  • Page 28 R-K521/LS-K521  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R2441 RK73GB2A000J MG RESISTOR 0Ω 1/10W J R3082 RK73GB2A103J MG RESISTOR 10kΩ 1/16W J R2442 RK73GB2A000J MG RESISTOR 0Ω 1/10W J R3083 RK73GB2A473J MG RESISTOR...
  • Page 29 R-K521/LS-K521  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R3605 RK73GB2A101J MG RESISTOR 100Ω 1/16W J R6039 RK73GB2A101J MG RESISTOR 100Ω 1/16W J R3606 RK73GB2A101J MG RESISTOR 100Ω 1/16W J R6040 RK73GB2A102J MG RESISTOR...
  • Page 30 R-K521/LS-K521  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R6141 RK73GB2A103J MG RESISTOR 10kΩ 1/16W J R8005 RK73GB2A621J MG RESISTOR 620Ω 1/16W J R6142 RK73GB2A103J MG RESISTOR 10kΩ 1/16W J R8006 RK73GB2A2R2J MG RESISTOR...

  • Page 31: Cd Control Board

    R-K521/LS-K521  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local J9320 T99-0721-08 ROTARY ENCODER C219 CK73GB1C104K C CAPACITOR 0.1uF 16V K K1208 L92-0897-08 FERRITE BEADS C220 CK73GB1C104K C CAPACITOR 0.1uF 16V K K1408 L92-0897-08 FERRITE BEADS...
  • Page 32 R-K521/LS-K521  Symbol No. Part No. Part Name Description Local R321 RK73GB2A000J MG RESISTOR 0Ω 1/10W J R322 RK73GB2A821J MG RESISTOR 820Ω 1/16W J R323 RK73GB2A272J MG RESISTOR 2.7kΩ 1/16W J R324 RK73GB2A823J MG RESISTOR 82kΩ 1/16W J R325 RK73GB2A473J MG RESISTOR 47kΩ...
  • Page 33 < M E M O >...

  • Page 34: Specifications

    Usable USB device ......USB Mass storage class Interface ....USB2.0 (Full speed) USB1.1 compatible File system............... FAT 16/32 • Kenwood follows a policy of continuous advancements in de- Supply current ............Max. 500 mA velopment. For this reason speci cations may be changed without notice.

This manual is also suitable for:

R-k521-bLs-k521-bK-521

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