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Kenwood KDC-X769 Service Manual
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Kenwood KDC-X769 Service Manual

Kenwood KDC-X769 Service Manual

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CD RECEIVER
KDC-X769
QQ
3 7 63 1515 0
SERVICE MANUAL
CD mechanism operation description is not in this service
manual.
Please, refer to service manual X92-4030-0x (B51-7867-00).
TE
L 13942296513
Escutcheon
(B07-3079-01)
Remote controller assy
(RC-505)
www
(A70-2040-05)
.
Mounting hardware assy
(J21-9823-03)
Size AA battery
(Not suplied)
x
ao
u163
y
i
2 9
8
CD mechanism extension cord : W05-0935-00
Panel assy
(A64-2980-01)
Q Q
3
6 7
1 3
1 5
Plastic cabinet assy
(A02-2731-03)
Screw set
Lever
(D10-4674-04) x 2
(N99-1723-05)
co
.
9 4
2 8
© 2003-2 PRINTED IN JAPAN
B53-0037-00 ( N ) 1459
s
50
W
4
COMPACT
Escutcheon
DIGITAL AUDIO
(B07-3079-01)
0 5
8
2 9
9 4
2 8
Panel assy
(A64-3001-02)
DC cord
(E30-6062-05)
Screw set
(N99-1734-05)
m
9 9
9 9

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Summary of Contents for Kenwood KDC-X769

  • Page 1 CD RECEIVER KDC-X769 3 7 63 1515 0 SERVICE MANUAL © 2003-2 PRINTED IN JAPAN B53-0037-00 ( N ) 1459 CD mechanism operation description is not in this service CD mechanism extension cord : W05-0935-00 manual. Please, refer to service manual X92-4030-0x (B51-7867-00).
  • Page 2 KDC-X769 3 7 63 1515 0 HOW TO THE PANEL MECHANISM ASSEMBLY 1. Fixed the position of operation side (Fixed the horizontal position when the panel opened) Rotary to the q The mounting hardware (281) of operation side is rota- stop position tion (A) into the stop position with close side.

  • Page 3: Block Diagram

    KDC-X769 BLOCK DIAGRAM 3 7 63 1515 0 AUX IN (X25-968) Q59,60 IC11 PRE OUT TUNER PRE MUTE OP AMP (NF) AUDIO OUT Q57,58 Q102,103 IC10 E-VOL PRE OUT & AM+B PRE MUTE OP AMP (REAR) Q55,56 PRE OUT QUAL...
  • Page 4 KDC-X769 COMPONENTS DESCRIPTION 3 7 63 1515 0 SUB-CIRCUIT UNIT (X16-2080-10) Ref. No. Application/Function Operation/Condition/Compatibility E2PROM For security SUB-CIRCUIT UNIT (X16-2140-10) Ref. No. Application/Function Operation/Condition/Compatibility LCD driver KEY Input LCD driver Remote control sensor KEY scan start SW ON when the base goes “L”.
  • Page 5 KDC-X769 COMPONENTS DESCRIPTION 3 7 63 1515 0 Ref. No. Application/Function Operation/Condition/Compatibility Q27, 28 P-CON protection Protect Q27 by turning on when P-CON output is grounded. Ex Amp control buffer Small lamp det SW When Q30’base goes Hi, Q30 is turned on.
  • Page 6 KDC-X769 MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Pin Name Module Purpose / Description Truth table Processing Operation MUTE Audio Mute output. ON : OPEN, OFF : L M MUTE L is L : L (CD), Momentary power...
  • Page 7 KDC-X769 MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Pin Name Module Purpose / Description Truth table Processing Operation M_RST Reset output to CD mechanism. Normally : H, Reset : L (Per mechanism control) M_STOP Stop request to CD mechanism.
  • Page 8 KDC-X769 MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Truth table w Destination port MODEL Destination DISPLAY TYPE2 TYPE1 TYPE0 KDC-X969 KDC-MP922 FX-9000 KDC-PSW9524 KDC-9023R M (E) KDC-X869 KDC-8024 KDC-MP822 KDC-M7024 FX-5000 KDC-V7022 KDC-X769 KDC-722 KDC-7024 KDC-7024Y KDC-8023 M (K) Note : When FL model using TYPE2, K &...
  • Page 9 KDC-X769 TEST MODE 3 7 63 1515 0 How to enter the test mode Test mode specifications of the CD receiver While pressing and holding the Preset 1 and Preset 3 keys, • Forced ejection is inhibited in the reset start operation. When reset the unit.

  • Page 10: Test Mode

    KDC-X769 TEST MODE 3 7 63 1515 0 Menu-related specifications Panel mechanism • A short press of the Q key initiates the menu mode. • Auto-panel close inhibition when set-in the CD. • Pressing the DNPP key on the remote initiates the Menu •...
  • Page 11 KDC-X769 TEST MODE 3 7 63 1515 0 2. Method of registration of the security code after 4. How to inscription the panel security code EEPROM (F/E) replacement (Code security model) 1) Enter the test mode. 2) Pressing the AM key on all lighting, check the “P-ROM WAIT”...
  • Page 12 KDC-X769 3 7 63 1515 0 PC BOARD (COMPONENT SIDE VIEW) ELECTRIC UNIT X25-9680-10 (J74-1475-12) C100 Q12 Q11 R112 R127 C128 C126 R105 I G O C250 R300 MUTE IC11 X25-9680-10 Address C109 L 13942296513 TEST R277 IC10 R274 PLDA...
  • Page 13 KDC-X769 3 7 63 1515 0 SUB-CIRCUIT UNIT SWITCH UNIT X16-2140-10 (J74-1479-02) X16-2190-10 (J74-1484-12) R307 R403 Q102 L 13942296513 u163 X16-2140-10 X16-2190-10 Address Address...
  • Page 14 KDC-X769 3 7 63 1515 0 PC BOARD (FOIL SIDE VIEW) ELECTRIC UNIT X25-9680-10 (J74-1475-12) C101 AM+B R317 R316 Q103 C251 R314 PLL+B R313 C254 R315 C253 R301 R135 AUDIO-OUT IF1+B L 13942296513 R267 R282 R250 R265 R264 R266 C204...
  • Page 15 KDC-X769 3 7 63 1515 0 SUB-CIRCUIT UNIT SWITCH UNIT X16-2140-10 (J74-1479-02) X16-2190-10 (J74-1484-12) CH-G CH+B R144 C103 R139 R100 C132 R101 R141 C106 E2P5V R108 R135 R142 GREEN L 13942296513 E2PDATA VOLB R264 VOLA DATAS DATAL R133 PAN5V VOLA...
  • Page 16 KDC-X769 3 7 63 1515 0 PC BOARD (COMPONENT SIDE VIEW) CD PLAYER UNIT X32-5200-00 (J74-1243-02/1245-02) R218 R202 L 13942296513 R125 R121 R107 R118 R122 R108 R126 X32-5200-00 Address Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 17 KDC-X769 3 7 63 1515 0 PC BOARD (FOIL SIDE VIEW) CD PLAYER UNIT X32-5200-00 (J74-1243-02/1245-02) FBAL GCTL TBAL VDET Vref TRCRS TOFS LDCNT D.GND EQCNT SLED-/EJECT /MUTER SPDL- /MUTEL SLED+/LOAD /MSTOP L 13942296513 SPDL+ A.+8V A.GND LOE/LIM DRVMUTE R110...
  • Page 18 KDC-X769 3 7 63 1515 0 F1 10A (X25-9680-10) FUSE TP108 R139 R140 BU DET TP115 C255 LOGIC IC 1u50 for MUTING POWER R143 R131 R124 3.3K R132 C130 EX AMP 4.7K 4.7K 1/2W 0.022 CONTROL BUFFER C134 Q23,24 0.01...
  • Page 19 KDC-X769 3 7 63 1515 0 TP14 R307 6.2K C255 R306 1u50 Q15,16 AUDIO 10.7V 0.01 -9V AVR(DC/D for 4.5V PRE-O 22uH 6.8V 0-4.4V 10.7V C115 CAP+ 4.7u25 -10.0V CAP- -10V C250 47u16 C251 0.01 OUTLR FREEL L 13942296513 ACIN0R...
  • Page 20 MOTOR - 0V or 7.6V MOTOR - OUT2 MOTOR - SGND PGND MOTOR - TP34 IC14 PH-OUT SW5V 7.6V 0V or NC10 TP35 7.6V OUT1 D-GND 0V or TP36 7.6V OUT2 SGND PGND TP37 u163 TP38 KDC-X769 (1/3) X16- X25-9680-10 (3/3)
  • Page 21 KDC-X769 3 7 63 1515 0 DISPLAY UNIT (X16-2140-10) N.C. KEY SCAN START SW REMO R67 330 R68 330 GREEN 5.0V VLCD 8.5V VLCD0 6.7V VLCD LCD DRIVER VLCD1 5.0V VLCD2 3.3V REMOTE CONTROL VLCD3 1.7V SENSOR VLCD4 TEST R24 47K 3.9K...
  • Page 22 KDC-X769 3 7 63 1515 0 L 13942296513 S106 S105 S104 S103 S102 S101 S100 SWITCH UNIT (X16-2080-10) KDC-X769 (2/3) GND LINE B LINE PAN-DET LC75808W LC75878W RS-171 Q1,6 DTA114EUA or UN5111 Q5,11 2SC4081 MA3062-M 5.0V D2-5 DA204U B30-1564-05 D16-19...
  • Page 23 B30-1605-05 D12,14,16,18,19,21 B30-1566-05 DAP202U or GND LINE MA142WA KDC-X769 (3/3) B LINE LB1930M CAUTION : For continued safety, replace safety critical components only with manufacturer's u163 recommended parts (refer to parts list). Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.
  • Page 24 KDC-X769 3 7 63 1515 0 CD PLAYER UNIT (X32-5200-00) BU5V BU5V TRCRS 2.5V 0.015 KICK TVD TRV TOFS 2.5V 1.5V CSEL 1.5V TEST1 TEST2 IOSEL 5.0V BU5V NRST BCLK 0.9Vp-p LRCK S2 : 12cm DISC SRDATA DET. SWITCH SUBC...
  • Page 25 KDC-X769 3 7 63 1515 0 1000P C2 1 C1 1 C5 22P RF AMPLIFIER ADAPTED for CD-RW 5.6K PLLF 1.2V RFDET 0.022 3.9K 2.5V 1.5V 3.3V 4.0V IREF 0.1V DPU1 (X92-) 2.5V DSLF 2.5V 5.0V OPTICAL 100K PICKUP 0.9Vp-p 0.9Vp-p...
  • Page 26 KDC-X769 EXPLODED VIEW (MECHANISM) 3 7 63 1515 0 DPU1 L 13942296513 DFPC1 (X32-) φ : N09-4460-05 M1.7x8.5 : N09-4472-05 M1.7x2.5 : N09-6004-05 φ : N09-6006-05 2x3.5 u163 : N09-6007-05 M2x2 φ : N09-6051-05 2x6(BLK) : N19-2163-04 1.6 WASHER : N39-2020-46...
  • Page 27 KDC-X769 EXPLODED VIEW (UNIT) 3 7 63 1515 0 M2x1.9 N09-4448-05 FLAT WASHER N19-2176-04 N09-6073-05 RETAINIING RING N24-3015-60 M2x2 N09-6087-05 M2x2.5 N38-2025-46 N09-6088-05 M2.6x5(BLK) N38-2650-45 M2x3(BLK) N09-6089-05 M3x5 N67-3005-46 φ2x5 φ3x5 N09-6093-05 N83-3005-46 φ2x5(BLK) φ3x8 N09-6094-05 N83-3008-46 φ2x4 φ2x4(BLK) N09-6095-05 N86-2004-45 φ3x8...
  • Page 28 KDC-X769 PARTS LIST 3 7 63 1515 0 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. Desti- Desti- Ref. No.
  • Page 29 KDC-X769 PARTS LIST 3 7 63 1515 0 New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. KDC-X769 Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref. No.
  • Page 30 KDC-X769 PARTS LIST 3 7 63 1515 0 New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. SWITCH UNIT (X16-2190-10) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref.
  • Page 31 KDC-X769 PARTS LIST 3 7 63 1515 0 New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. ELECTRIC UNIT (X25-9680-10) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref.
  • Page 32 KDC-X769 PARTS LIST 3 7 63 1515 0 New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. ELECTRIC UNIT (X25-9680-10) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref.
  • Page 33 KDC-X769 PARTS LIST 3 7 63 1515 0 New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. CD PLAYER UNIT (X32-5200-00) Teile ohne Parts No. werden nicht geliefert.
  • Page 34 KDC-X769 PARTS LIST 3 7 63 1515 0 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. Desti- Desti- Ref. No.
  • Page 35 KDC-X769 3 7 63 1515 0 PARTS LIST CAPACITORS 2 2 0 • Capacitor value CC45 Color* 010 = 1pF 0 = 22pF 1 = Type ... ceramic, electrolytic, etc. 4 = Voltage rating 100 = 10pF 2 = Shape ... round, square, etc.
  • Page 36 KENWOOD ELECTRONICS UK LIMITED P.O. Box 61318, Jebel Ali, Dubai, U.A.E. Kenwood House, Dwight Road, Watford, Herts, WD18 9EB, United Kingdom KENWOOD ELECTRONICS (THAILAND) CO., LTD. KENWOOD ELECTRONICS DEUTSCHLAND GMBH 2019 New Pechburi Road, Bangkapi, Huaykwang, Bangkok, 10320 Thailand Rembrücker-Str.