Kenwood KDC-7024/Y Service Manual
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Kenwood KDC-7024/Y Service Manual

Kenwood KDC-7024/Y Service Manual

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CD RECEIVER
KDC-7024/Y
QQ
3 7 63 1515 0
KDC-722
KDC-8023
SERVICE MANUAL
CD mechanism operation description is
not in this service manual.
Please, refer to service manual X92-
4030-0x (B51-7867-00).
KDC-722 only
TE
L 13942296513
Escutcheon
(B07-3078-01)
www
Remote controller assy
(RC-505)
(A70-2040-05)
: KDC-722
.
Panel assy
(A64-2981-01): KDC-722, (A64-2983-01): KDC-8023
Panel assy
(A64-2987-01): KDC-7024/Y
Mounting hardware assy
(J21-9823-03)
Remote controller assy
Lever
(RC-420)
(D10-4674-04) x 2
x
ao
u163
(A70-2026-05)
y
: KDC-8023
i
2 9
8
CD mechanism extension cord : W05-0935-00
50
Q Q
3
6 7
1 3
1 5
50
Plastic cabinet assy
DC cord (ISO)
(A02-2731-03)
(E30-4942-05)
: KDC-7024/Y
Screw set
(N99-1723-05)
co
: KDC-722/8023
Size AA battery
.
(Not supplied)
9 4
2 8
© 2003-2 PRINTED IN JAPAN
B53-0036-00 ( N ) 3379
W
4
Escutcheon
COMPACT
(B07-3078-01)
DIGITAL AUDIO
Panel assy
(A64-2995-02):
KDC-722/8023
0 5
8
2 9
9 4
2 8
W
4
Escutcheon
COMPACT
DIGITAL AUDIO
(B07-3078-01)
Panel assy
(A64-3003-02):
KDC-7024/Y
DC cord
(E30-6062-05) : KDC-8023
(E30-6106-05) : KDC-722
m
Antenna adaptor
(T90-0552-05)
: KDC-7024/Y
Screw set
(N99-1734-05)
9 9
9 9

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Summary of Contents for Kenwood KDC-7024/Y

  • Page 1 Panel assy 4030-0x (B51-7867-00). (A64-2981-01): KDC-722, (A64-2983-01): KDC-8023 Escutcheon KDC-722 only COMPACT (B07-3078-01) DIGITAL AUDIO Panel assy (A64-2995-02): KDC-722/8023 Panel assy (A64-2987-01): KDC-7024/Y L 13942296513 Escutcheon COMPACT DIGITAL AUDIO (B07-3078-01) Panel assy (A64-3003-02): KDC-7024/Y Escutcheon Mounting hardware assy Plastic cabinet assy...

  • Page 2: How To The Panel Mechanism Assembly

    KDC-7024/Y,722,8023 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-7024/Y,722,8023 BLOCK DIAGRAM 3 7 63 1515 0 AUX IN (X25-966) Q59,60 PRE OUT TUNER PRE MUTE (REAR/NF) AUDIO OUT Q102,103 E-VOL & AM+B Q104 QUAL PRE OUT PRE MUTE (FRONT) BUFFER BUFFER S-METER SW5V SW5V SP OUT (FL) IC12...

  • Page 4: Components Description

    KDC-7024/Y,722,8023 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: Microcomputer's Terminal Description

    KDC-7024/Y,722,8023 COMPONENTS DESCRIPTION 3 7 63 1515 0 Ref. No. Application/Function Operation/Condition/Compatibility Q55, 56 Pre-out mute SW When a base gose Hi, Pre-out is muted. Q59, 60 Pre-out mute SW When a base gose Hi, Pre-out is muted. E2P 5V SW When Q63’base gose Lo, E2P 5V is out.
  • Page 6 KDC-7024/Y,722,8023 MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Pin Name Module Purpose / Description Truth table Processing Operation Backup : L, BU_DET Extra Momentary power dropped detection. No backup, momentary power dropped : H ACC_DET Extra ACC detection.
  • Page 7 KDC-7024/Y,722,8023 MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Pin Name Module Purpose / Description Truth table Processing Operation FPM MOTOR F P-mecha FPM mechanism (Slider) control. FPM MOTOR O O P-mecha FPM mechanism (Angle) control. FPM MOTOR C P-mecha FPM mechanism (Angle) control.
  • Page 8 KDC-7024/Y,722,8023 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: Test Mode

    KDC-7024/Y,722,8023 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 KDC-7024/Y,722,8023 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-7024/Y,722,8023 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-7024/Y,722,8023 3 7 63 1515 0 PC BOARD (COMPONENT SIDE VIEW) ELECTRIC UNIT X25-966x-xx (J74-1474-12) C100 C256 R127 C128 C126 R105 C250 R300 C109 L 13942296513 C132 R140 TEST R268 R141 X25-966x-xx Address R202 R102 R103 C200 R234 R235 R236...
  • Page 13 KDC-7024/Y,722,8023 3 7 63 1515 0 SUB-CIRCUIT UNIT SWITCH UNIT X16-2140-10 (J74-1479-02) X16-2190-10 (J74-1484-12) C258 C257 R307 R303 R302 C255 R403 Q102 C410 Q104 R407 R406 C411 R405 R404 L 13942296513 u163 X16-2140-10 X16-2190-10 Address Address...
  • Page 14 KDC-7024/Y,722,8023 3 7 63 1515 0 PC BOARD (FOIL SIDE VIEW) ELECTRIC UNIT X25-966x-xx (J74-1474-12) C101 C251 R317 Q103 R316 R314 R313 R315 C408 R301 R133 AGND C130 IC12 L 13942296513 R142 R267 R278 R274 R277 IF+B C204 R247 R232...
  • Page 15 KDC-7024/Y,722,8023 3 7 63 1515 0 SUB-CIRCUIT UNIT SWITCH UNIT X16-2140-10 (J74-1479-02) X16-2190-10 (J74-1484-12) R146 SW14V R144 C103 R100 R101 C106 E2P5V R108 R133 C130 GREEN L 13942296513 R142 E2PDATA C135 VOLB VOLA DATAS DATAL PAN5V VOLA ILL-GND ILL+B R111...
  • Page 16 KDC-7024/Y,722,8023 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-7024/Y,722,8023 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-7024/Y,722,8023 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 19 KDC-7024/Y,722,8023 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 20 KDC-7024/Y,722,8023 3 7 63 1515 0 (X25-966X MODEL NAME FX-5000 to CD MECHANISM KDC-MP82 KDC-V702 KDC-722 KDC-8023 KDC-M702 KDC-7024 (X25-966X-XX) EXTERNAL DISPLAY & ∗ ∗ STEERING REMOTE CORD ∗ R320 R323 ∗ 2.2K 2.2K TP15 R310 470 R321 R322 ∗...
  • Page 21 KDC-7024/Y,722,8023 (X25-966X-XX) 3 7 63 1515 0 C23, D54, D63, R203,225-227, R205,252, R258, R326-328, MODEL UNIT C100 C127 C129 R134 R135 R146 R147 R204 R206 R281 R282 R283 NAME 308-311 253,257 330,331 FX-5000 0-01 X86-3730-01 3900u16 1u6.3 UPD703030GC014 DTA114EUA 100K...
  • Page 22 KDC-7024/Y,722,8023 ∗ 3 7 63 1515 0 Q1,8,9,13 : 2SA2057 Q23,26 : DTC114YUA or : 1N5393G-M5 : MA4056-M D63-65 : DA204U -328, : TDA7411 Q2,10,14,32-34 : 2SC4081 UN5214 : RB160L-40 : MA4047-M : IMSA-6801 : M5237ML Q3,27 : 2SA1576A Q24,25...
  • Page 23 KDC-7024/Y,722,8023 3 7 63 1515 0 AL LINE LINE 11 12 11 12 TOP VIEW 10 8 9 10 9 10 11 9 0.47 AUXR 47u6.3 11 12 AUXG ∗ 0.47 AUXL (E30-6211-05) (E30-6212-05) (E30-6213-05) (E30-6215-05) 9 10 KDC-MP822 KDC-V7022...
  • Page 24 KDC-7024/Y,722,8023 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 25 KDC-7024/Y,722,8023 3 7 63 1515 0 L 13942296513 S106 S105 S104 S103 S102 S101 S100 SWITCH UNIT (X16-2080-10) KDC-722/8023/7024/7024Y (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 26 KDC-7024/Y,722,8023 3 7 63 1515 0 DTA123JK RD6.8M SWITCH UNIT (X16-2190-10) DTC114YUA DTC143TUA UN5111 UN5114 UN5213 UN5214 TC74HC02AF UN5216 2SA1362 2SA1576A AUTO BR24C01AF-W 2SB1188 SHIFT DISP S19 AM OPEN 2SC4081 M5237ML DTA114EUA MCH6101 DTA124EUA DTC124EUA L 13942296513 KEY ILLUMINATION SW (GREEN)

  • Page 27: Exploded View (Mechanism)

    KDC-7024/Y,722,8023 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 28: Exploded View (Unit)

    KDC-7024/Y,722,8023 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 29: Parts List

    KDC-7024/Y,722,8023 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 30 KDC-7024/Y,722,8023 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-7024/Y,722,8023 Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref. No.
  • Page 31 KDC-7024/Y,722,8023 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 32 KDC-7024/Y,722,8023 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 (X25-966x-xx) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref.
  • Page 33 KDC-7024/Y,722,8023 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 (X25-966x-xx) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref.
  • Page 34 KDC-7024/Y,722,8023 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 (X25-966x-xx) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref.
  • Page 35 KDC-7024/Y,722,8023 3 7 63 1515 0 PARTS LIST 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 36: Specifications

    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.

This manual is also suitable for:

Kdc-722Kdc-8023

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