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HCD-D890AV/XB55AV/ XB80AV/XB88AV

SERVICE MANUAL

Canadian Model
HCD-D890AV

AEP Model UK Model
HCD-XB80AV

E Model
HCD-XB88AV

Australian Model
HCD-XB55AV/XB88AV
HCD-D890AV/XB55AV/XB80AV/XB88AV is the tuner, deck, CD and amplifier section in LBT-D890AV/XB55AV/XB80AV/XB88AV.

Photo: HCD-XB88AV

Model Name Using Similar Mechanism CD Mechanism Type CD SECTION Base Unit Type Optical Pick-up Type TAPE DECK SECTION Model Name Using Similar Mechanism Tape Transport Mechanism Type

HCD-D670AV/N555AV CDM37L-5BD29AL CDM37LH-5BD29AL BU-5BD29AL KSS-213D/Q-NP HCD-D670AV/N555AV TCM-220WR2

SPECIFICATIONS

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COMPACT DISC DECK RECEIVER
MICROFILM

­1­

HCD-D890AV/XB55AV/XB80AV/XB88AV

6-4. SCHEMATIC DIAGRAM ­ CD SECTION ­ · See page 32 for Waveforms. · See page 87 for IC Block Diagrams. · See page 92 for IC Pin Functions.

(Page 48)

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HCD-D890AV/XB55AV/XB80AV/XB88AV

6-5. SCHEMATIC DIAGRAM ­ TUNER SECTION ­ (AEP, UK model) · See page 32 for Waveforms. · See page 85 for IC Block Diagrams.

(Page 45)

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HCD-D890AV/XB55AV/XB80AV/XB88AV

6-8. SCHEMATIC DIAGRAM ­ TUNER SECTION ­ (East European, CIS model) · See page 32 for Waveforms. · See page 85 for IC Block Diagrams.

(Page 45)

­ 41 ­

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HCD-D890AV/XB55AV/XB80AV/XB88AV

6-10. SCHEMATIC DIAGRAM ­ MAIN (1/5) SECTION ­ · See page 32 for Waveforms. · See page 89 for IC Block Diagrams.

(Page 37) (Page 41)

(Page 47)

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HCD-D890AV/XB55AV/XB80AV/XB88AV

6-11. SCHEMATIC DIAGRAM ­ MAIN (2/5) SECTION ­ · See page 32 for Waveforms. · See page 43 for Printed Wiring Board. · See page 98 for IC Pin Functions.

(Page 46)

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(Page 36)

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HCD-D890AV/XB55AV/XB80AV/XB88AV

6-12. SCHEMATIC DIAGRAM ­ MAIN (3/5) SECTION ­ · See page 43 for Printed Wiring Board.

(Page 45)

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(Page 45)

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(Page 47)

(Page 84) (Page 51)

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­ 50 ­

HCD-D890AV/XB55AV/XB80AV/XB88AV

6-13. SCHEMATIC DIAGRAM ­ MAIN (4/5) SECTION ­ · See page 43 for Printed Wiring Board.

(Page 47)

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HCD-D890AV/XB55AV/XB80AV/XB88AV
6-14. SCHEMATIC DIAGRAM ­ MAIN (5/5) SECTION ­ · See page 43 for Printed Wiring Board. · See page 89 for IC Block Diagrams.

(Page 58)

(Page 48)

(Page 58)

­ 53 ­

­ 54 ­

HCD-D890AV/XB55AV/XB80AV/XB88AV

6-16. SCHEMATIC DIAGRAM ­ DECK SECTION ­ · See page 91 for IC Block Diagrams.

(Page 53)

(Page 53)

­ 57 ­

­ 58 ­

HCD-D890AV/XB55AV/XB80AV/XB88AV

6-18. SCHEMATIC DIAGRAM ­ POWER SECTION ­ · See page 91 for IC Block Diagrams.

(Page 81, 82) (Page 52)

(Page 84)

(Page 84)

­ 61 ­

­ 62 ­

HCD-D890AV/XB55AV/XB80AV/XB88AV

6-19. SCHEMATIC DIAGRAM ­ PANEL SECTION ­ · See page 32 for Waveforms. · See page 97 for IC Pin Functions.

(Page 72)

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­ 63 ­

­ 64 ­

HCD-D890AV/XB55AV/XB80AV/XB88AV

6-22. SCHEMATIC DIAGRAM ­ TC/CD PANEL-1 SECTION ­

(Page 63)

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HCD-D890AV/XB55AV/XB80AV/XB88AV

6-23. SCHEMATIC DIAGRAM ­ HP/MIC SECTION ­

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HCD-D890AV/XB55AV/XB80AV/XB88AV

6-26. SCHEMATIC DIAGRAM ­ CD MOTOR SECTION ­ · See page 91 for IC Block Diagrams.

(Page 48)

­ 77 ­

­ 78 ­

HCD-D890AV/XB55AV/XB80AV/XB88AV

6-28. SCHEMATIC DIAGRAM ­ TRANS SECTION ­

(Page 62)

(Page 62)

­ 81 ­

­ 82 ­

HCD-D890AV/XB55AV/XB80AV/XB88AV

6-29. PRINTED WIRING BOARD ­ SURROUND SECTION ­ · See page 18 for Circuit Boards Location.

6-30. SCHEMATIC DIAGRAM ­ SURROUND SECTION ­

(Page 49)

(Page 61)
(Page 44) (Page 59) (Page 60)

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­ 83 ­

­ 84 ­

6-31. IC BLOCK DIAGRAMS
· Tuner section IC21 LC72130
AOUT2 AOUT1 XOUT AIN2 AIN1 AMIN FMIN VDD VSS PD2 PD1 I02 13 C B I/F 12 IFIN

24

23

22

21

20

19

18

17

16

15

14

SWALLOW COUNTER 1/16.1/17 4bits REFERENCE DIVIDER SWALLOW COUNTER 1/16.1/17 4bits REFERENCE DIVIDER PHASE DETECTOR CHARGE PUMP POWER ON RESET 1/2

C2 B I/F

DATA SHIFT REGISTER LATCH

1 XIN

2 B05

3 CE

4 D1

5 CL

6 D0

7 B01

8 B02

9 B03

10 B04

11 I01

IC41 LA1838
AM-DET OUT FM-DET OUT AMP OUT R 15 VCO-STOP AMP OUT L OSC.BUFF FM-SD.ADJ AMP-IN R 18 14 AM/FM AM-RF-IN AMP-IN L 19

AM-OSC

MPX-IN

FM-AFC

30

29

28 REG

27

26

25

24

23

22

21

20

OUT R

OUT L

AGC

REG

17 16

ALC BUFF SD COMP

AM OSC

AM MIX

AM RF. AMP AGC

DECODER ANTI BIRDIE STEREO SW STEREO DRIVE

AM IF AM/FM IF BUFF

MUTE DET AM S METER TUNING DRIVE GND FF VCO PHASE DET FF FF PILOT DET

FM S METER FM IF

S-CURVE FM DET

VCC 6 TUNED 7 STEREO 8 VCC 9 FM DET 10 AM. SD 11 FM. SD 12 AM. SD ADJ 13 IF-BUFF MUTE

1 FM-IN

2 3 AM-MIX FM-IF

4 AM-IF

5 GND

­ 85 ­

IC1701 IR3R42
SUBOUT MON SUBIN LPF1A LPF1B LPF2A LPF2B 12 DETIN GND 11 10 LAMP VCO 17 AMP 1/2 AMP PHASE 1/2 OSC PHASE COMPARATOR PHASE COMPARATOR 2 TRIGGER WAVEFORM SEP. REGULATOR AMP GATE SAMPLE & HOLD BUFFER 4 RHC 5 LHC 6 7 ROUT LOUT 8 ST MUTE

20

19 18

16

15

14 13

1 VCC

2 IN

3 POUT

9 VCO STOP

IC1752 BU1922
TSTLD 9 8 SCOUT OSCO RDCL VDDD TEST 10 ANTIALIASING FILTER CLOCKED COMPARATOR VP1 REFERENCE VOLTAGE 7 CIN OSCI VSSD 11 TS7 15

16

14

13

12

TEST LOGIC AND OUTPUT SELECTOR SWITCH QUALITY BIT GENERATOR OSCILLATOR AND DIVIDER 57kHz BANDPASS (8th ORDER)

RECONSTRUCTION FILTER

DEFFERENTIAL DECODER

BIPHASE SYMBOL DECODER

CONTAS LOOP VARIABLE AND FIXED DIVIDER

CLOCK REGENERATION AND SYNC

1 QUAL

2 RDDA

3 Vref

4 MUX

5 VDDA

6 VSSA

­ 86 ­

· CD section IC101 CXA1992AR
RF_M RF_O RFTC RF_I PD2 PD1 CC1 CC2 FOK 27 PD CP CB 30 LD 36 VEE
­ +

39

38

37

35

34

33

32

31

29

28

+ ­

PD2 IV AMP FE_BIAS 40

APC VEE
­ +

F 41

LASER POWER CONTROL F IV AMP
­ + ­ +

E 42

­ +

VCC

FE AMP
­ + ­ +

E IV AMP EI 43 BAL1 BAL2 BAL3 BAL4
­ + + ­ + ­

IFB4

IFB2

IFB3

IFB5

IFB1

IFB6

TOG1

TOG2

TOG3

TOG4

VEE 44

VEE

TGFL

VEE
+ ­

FO. BIAS WINDOW COMP.

TEO 45
+ ­

+ ­

TRK. GAIN WINDOW COMP.
+ ­

MIRR

LPCL

TGFL

LPC

CC1

LPFI 46

+ ­

+ ­

E-F BALANCE WINDOW COMP.

DFCT1

LDON

TEI 47
­ +

ATSC 48

­ +

FOH FOL TGH TGL BALH BALL ATSC TZC FZC

ATSC WINDOW COMP.
­ +

TZC 49

TZC COMP. TDFCT 50 VCC

DFCT TM1

TG1

TRACKING PHASE COMPENSATION

VC 51

VCC FZC 52
+ ­

VEE

VEE FS2 Charge up TG2 FSET DFCT
­ +

VEE

FZC COMP. FS4 VEE 1 FEO 2 FEI 3 FDFCT 4 FGD 5 FLB 6 FE_O 7 FE_M 8 SRCH

9 TGU

10 TG2

11 FSET

12 TA_M

13 TA_O

­ 87 ­

+ ­

FOCUS PHASE COMPENSATION

­ +

+ ­

VCC

+ ­

­ +

­ + ­ +

PD1 IV AMP

­ + ­ + ­ +

RF SUMMING AMP

­ +

26 SENS2

VCC
­ +

IIL TTL

25 SENS1

VCC

24 C. OUT

VEE
­ +

+ ­

DFCT

23 XRST

VEE LEVEL S

FOK

+ ­ + ­

VEE 22 DATA
+ ­ + ­

VCC

MIRR

IIL TTL

TTL IIL

21 XLT

20 CLK

IIL DATA REGISTER INPUT SHIFT REGISTER ADDRESS DECODER SENS SELECTOR OUTPUT DECODER VCC

19 LOCK

18 VCC

DFCTO

IFB1-6 BAL1-4 TOG1-4

FS1-4

TG1-2

TM1-7

PS1-4 ISET 17 ISET

VCC TM4 TM6

VCC 16 SL_O

15 SL_M VCC FS1 TM7 TM3 TM5 14 SL_P TM2

+ ­

IC102 BA5941FP
OP IN (­) OP IN (+) OP OUT OUT3A OUT3B OUT4A OUT4B 15 LEVEL SHIFT LEVEL SHIFT + ­ LEVEL SHIFT + ­
PCMD LRCKI

IN4B

IN4A

IN3B

IN3A

GND

28

27

26

VCC

NC

25

24

23 ­ +

22

21

20 NC

19

18

17

16

LEVEL SHIFT

+ ­

­ + Vcc MUTE Vcc

+ ­

­ +

1 VCC

2 BIAS IN

3 IN1B

4 IN1A

5 IN2B

6 IN2A

7 GND

8 GND

9 MUTE

10 VCC

11 OUT2A

12 OUT2B

13 OUT1A

IC103 CXD2519Q
PCMDI EMPHI SYSM EMPH WFCK MNT0 MNT1 MNT3 SCOR DOUT SBSO GTOP XPCK C2PO XROF XUGF EXCK RFCK XTSL FSTT BCKI C4M VDD VDD VSS VSS BCK GFS

80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51

NC 81 AVSS 82 AVDD 83 AOUT1 84 PWM AIN1 85 LOUT1 86 AVSS 87 XVDD 88 XTAI 89 + ­ XTAO 90 + ­ XVSS 91 AVSS 92 LOUT2 93 AIN2 94 AOUT2 95 AVDD 96 AVSS 97 NC 98 NC 99 XRST 100 TIMING LOGIC CPU INTERFACE SERVO AUTO SEQUENCER DIGITAL CLV SERIAL-IN INTERFACE OVER SAMPLING DIGITAL FILTER SUB CODE PROCESSOR CLOCK GENERATOR OSC + ­ 3RD-ORDER NOISE SHAPER ASYMMETRY CORRECTOR + ­

OUT1B

ERROR CORRECTOR EFM DEMODURATOR

D/A INTERFACE DIGITAL PLL

PWM

16K RAM

DIGITAL OUT

1 VDD

2 VSS

3 LMUT

4 RMUT

5 TES2

6 CKOUT

7 SQCK

8 SQSO

9 SENS

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 DATA XLAT CLOK SEIN CNIN DATO XLTO CLKO SPOA SPOB SPOC SPOD XLON FOK VDD VSS MON MDP MDS LOCK PWMI

­ 88 ­

­ + 14
50 LRCK 49 WDCK 48 ASYE 47 ASYO 46 ASYI 45 BIAS 44 RF 43 AVDD 42 CLTV 41 AVSS 40 FILI 39 FILO 38 PCO 37 VCTL 36 V16M 35 VCKI 34 VPCO1 33 VPCO2 32 TES1 31 TES0

+ ­

­ +

+ ­

Vcc

+ ­ + ­

· Main section IC102 MC14052BCP
COMMON SEL.A SEL.B B1 B0 C1 C.COM DECODER CO INH VEE VSS 1 0 2 2 3 COMMON 4 3 5 1 6 INHIBIT 7 VEE 8 VSS

IC103, 1403, 1702 MC14053BCP
1 2 OPEN 3 4 OPEN 5 6 7 8 12 A0 11 A 10 B 9 C 14 A.COM 13 A1 16 VDD 15 B.COM

VDD

2

1

0 12

16

15

14

13

11

3

10

9

OPEN

IC402 LB1641
T.S.D MOTOR DRIVE O.C.P MOTOR DRIVE

FWD/REV/STOP CONTROL LOGIC

1 GND

2 MOTOR DRIVE

3 NOISE FILTER

4 CLAMP

5 FWD.IN

6 REV.IN

7 VCC 1

8 VCC 2

9 NOISE FILTER

10 MOTOR DRIVE A.GND

IC602 LV1016
DC-CUT R-OUT S-OUT 13 VOL/MUTE ­ L­R + L+R (­6dB) B-NR A A A DEC B B B OUT-FILTER (7k/5k) DC-OUT S-TRIM 12 DC-CUT DELAY-OUT L-OUT VREF 14 INV-PHASE + L+DELAY A B A B IN-FILTER (40kHz) A B + R+DELAY 11 VDD OSC OSC

24

23

22

21

20

19

18

17

16

15

ADM VDD A B A B

ADM-CONT

SRAM

1 D.GND

2 CLK

3 DATA

4 ENABLE

5 NR-DET

6 NR-IREF

7 VCC

8 L-IN

9 R-IN

10 S-IN

­ 89 ­

IC601 LA2786

CONTROL

BPF1 BPF2

1 2

NOISE FILTER

NOISE CH BALANCE CONTROL

LPF NOISE GENERATOR 42 41 40 39 CLK DATA ENABLE OSC1

VREF

3

V REF

DIVIDER S-CH DC OUT C-CH DC OUT L-CH DC OUT R-CH DC OUT VREF L-IN 4 5 6 7 8 9 VR CONTROL

OSC

38

VCC

VR

37

L-OUT

R-IN

10

VR

36

R-OUT

VSS

11

P. S.

CMODE

VCA VCA VCA P. S. VCA

VCA VCA VCA VCA LPF

35 CTRIM

S-OUT

34 33 32

C-OUT CMODE-CAP. C-TRIM DC CUT

MUTE

31

R-BPF1

L-BPF1 L-BPF2 L-BPF3

12 13 14

LPF 30 29 R-BPF2 R-BPF3

+ RECT RECT RECT

+ RECT

DC CUT DC CUT R RECT L RECT

15 16 17 18

28 27 26 25

DC CUT DC CUT L-R RECT L+R RECT

VLR-TH VLR-1 VLR-2

19 20 21 LOG DIFF DUAL T CONTROL LOG DIFF

24 23 22

VCS-TH VCS-1 VCS-2

IC604 TC9210P
VSS 1 OUT 2 L-CH IN 3 A-GND 4 NC 5 CS1 6 GND 7 CK 8 LEVEL SHIFT CIRCUIT L-CH DATA LATCH CIRCUIT R-CH DATA LATCH CIRCUIT 16 VDD 15 OUT 14 IN 13 A-GND 12 NC 11 CS2 LEVEL SHIFT CIRCUIT 10 STB 9 DATA R-CH

IC901 LA5617

ON/OFF

CURRENT LIMITER VMUTE

CURRENT LIMITER _ ~140uA COMPARATER VCC

ON/OFF

START CIRCUIT VREF OVER HEAT PROTECT

VREF VCC ERROR AMP

VREF _ ~1.8V ERROR AMP

SHIFT RESISTER (13bit) STROBE OSC CIRCUIT

1 VO1

2 VCC

3 CN1

4 EN

5 EN DISPLAY

6 GND

7 NC

8 CN2

9 VEE

10 VO2

­ 90 ­

· CD motor sectoin IC201 TA8409S

STANDBY BLOCK

VREF BLOCK

HEAT CUT OFF BLOCK 1 IN2 2 VCC 3 OUT2 4 NC 5 GND 6 VS 7 OUT1 8 VREF 9 IN1

· Power sectoin IC301 uPC1237HA

· Deck sectoin IC602 uPC1330HA

OVER LOAD DET F/F OFFSET DET VCC ON MUTE

INVERTER

COMPARATER LATCH/ AUTORESET AC OFF DET VCC 1 2 3 4 5 6 7 8 1 2 3 4 5 GND 6 VCC 7 8 9 SW R2

SW R1 GND

SW P1 CONT

SW P2 GND

­ 91 ­