Sony HCD V818 Service Manual

MICROFILM

HCD-V818

SERVICE MANUAL

HCD-V818 is the tuner, deck, Video CD
and amplifier section in MHC-V818.

Model Name Using Similar Mechanism HCD-V800

CD

SECTION

TAPE

DECK

SECTION

CD Mechanism Type CDM38L-5BD24AL
Base Unit Type BU-5BD24AL
Optical Pick-up Type KSS-213D/Q-NP
Model Name Using Similar Mechanism HCD-GRX8/R800/RX88/RX99
T ape T r ansport Mechanism T ype TCM-230A WR1

E Model

TCM-230PWR1

SPECIFICATIONS

COMPACT DISC DECK RECEIVER

— Continued on next page —

– 1 –

HCD-V818

8-3. SCHEMATIC DIAGRAM – CD SECTION –

• See page 35 for Waveforms.

• See page 85 for IC Block Diagrams.

(Page 47)

– 37 – – 38 –

HCD-V818

8-5. SCHEMATIC DIAGRAM – DECK SECTION –

• See page 86 for IC Block Diagrams.

(Page 56)

– 41 – – 42 –

HCD-V818

8-8. SCHEMATIC DIAGRAM – VIDEO (1/3) SECTION –

• See page 36 for Waveforms.

• See page 89 for IC Pin Functions.

(SEE PAGE 12)

* Note
When replacing IC502, refer to “IC502 of
video Board” in “Service Note” (page 13).

(Page 51)

(Page 37)

(Page 58)

(Page 49) (Page 49) (Page 51)

– 47 –

– 48 –

HCD-V818

8-9. SCHEMATIC DIAGRAM – VIDEO (2/3) SECTION –

• See page 36 for W a veforms.

• See page 45 for Printed Wiring Board.

• See page 94 for IC Pin Functions.

(Page 47) (Page 47)

(SEE PAGE 12)

(Page 51)

– 49 – – 50 –

(Page 51)

8-10. SCHEMATIC DIAGRAM – VIDEO (3/3) SECTION –

• See page 36 for Waveforms.

• See page 45 for Printed Wiring Board.

(Page 48)

HCD-V818

(Page 48)

(Page 50)

(Page 50)

(SEE PAGE 12)

– 51 – – 52 –

8-12. SCHEMATIC DIAGRAM – MAIN (1/4) SECTION –

HCD-V818

(Page 72)

(Page 42)

(Page 57)

(Page 57)

(Page 59) (Page 59) (Page 61)

– 55 –

(Page 61)

(Page 61)

(Page 57)

– 56 –

HCD-V818

8-13. SCHEMATIC DIAGRAM – MAIN (2/4) SECTION –

• See page 36 for W a veforms.

• See page 53 for Printed Wiring Board.

• See page 89 for IC Pin Functions.

(Page 56)

(Page 47)

(Page 56)

(Page 56)

(Page 82)

(Page 82)

(Page 61) (Page 61) (Page 62) (Page 62)

– 57 – – 58 –

8-14. SCHEMATIC DIAGRAM – MAIN (3/4) SECTION –

(Page 55) (Page 55)

(Page 61)

(Page 61)

• See page 53 for Printed Wiring Board.

HCD-V818

– 59 – – 60 –

HCD-V818

8-15. SCHEMATIC DIAGRAM – MAIN (4/4) SECTION –

• See page 53 for Printed Wiring Board.

(Page 56)

(Page

56)

(Page 57) (Page 57) (Page 57) (Page 58)

(Page

56)

(Page

60)

(Page

60)

(Page 75) (Page 67) (Page 67)

– 61 – – 62 –

HCD-V818

8-16. SCHEMATIC DIAGRAM – MIC/HP SECTION –

• See page 86 for IC Block Diagrams.

8-17. PRINTED WIRING BOARD – MIC/HP SECTION –

• See page 22 for Circuit Boards Location.

(Page 66)

(Page 67)

(Page 65)

(Page 67)

– 63 – – 64 –

8-19. SCHEMATIC DIAGRAM – POWER AMP SECTION –

(Page 63)

(Page

62)

HCD-V818

(Page 69)

(Page 69)

(Page

63)

(Page

62)

(Page 69)

(Page 69)

(Page 69)

– 67 – – 68 –

HCD-V818

8-20. SCHEMATIC DIAGRAM – TRANSFORMER SECTION –

• See page 65 for Printed Wiring Board. (POWER BOARD)

(Page 68)

(Page 68)

(Page 68)

(Page 68)

(Page 68)

– 69 – – 70 –

HCD-V818

8-21. PRINTED WIRING BOARD – TRANSFORMER SECTION –

• See page 22 for Circuit Boards Location.

8-22. PRINTED WIRING BOARD – LEAF SW SECTION –

• See page 22 for Circuit Boards Location.

(Page 53)

8-23. SCHEMATIC DIAGRAM – LEAF SW SECTION –

(Page 56)

(Page 66)

– 71 – – 72 –

8-25. SCHEMATIC DIAGRAM – DISPLAY SECTION –

• See page 36 for Wavef orms.

• See page 86 for IC Block Diagrams.

• See page 97 for IC Pin Functions.

HCD-V818

(Page

61)

(Page 77)

(Page 77)

(Page 78)

– 75 – – 76 –

HCD-V818

8-26. SCHEMATIC DIAGRAM – PANEL SECTION –

(Page 76)

(Page 75)

(Page 76)

– 77 – – 78 –

HCD-V818

8-28. SCHEMATIC DIAGRAM – CD MOTOR SECTION –

• See page 86 for IC Block Diagrams.

(Page 58)

(Page 58)

– 81 – – 82 –

8-30. IC BLOCK DIAGRAMS

OSCILLATOR

1/2 VCC

AUTO

RESET

LPF1

MAIN

CONTROL

A/D

20KBIT

SRAM

LPF2

D/A

1

2 3

4

5 6 7

891014 13 12 11

CLOCK

RESET

MO

MI

D1

DO0

DO1

VCC

CLOCK

REF

OP2IN

OP2OUT

LPF2IN

LPF2OUT

LPF1IN

LPF1OUT

OP1OUT

OP1IN

CC1

CC2

GND

1

2
3

4
5
6

7

8

9
10
11
12

13

14

15

16

18
17

19

20

21

22

23

24

µ CON

INTER FACE

ROM

OSC

SOUND
MIX

GND

VDD

A-OUT
NAR
NC
BUSY

VPP

RST
CH
SD
SI
I4

NC

XT
XT

NC

CMD

NC

ST

I0

I1

I2

I3

NC

1

2

3

4
5
6

7

8

9
10

TSD

CONTROL

LOGIC

POWER

SAVE

GND

RIN

VREF

OUT2

RNF

GND

VM

VCC

FIN

OUT1

• CD section

IC101 CXD2545Q

FSTO

XTAI

XTAO

XTSL

VCKI

67 62 63 64 20 19

C4M

68
69C16M 43 PSSL
18PDO
13VCO1
12VCO0
33PCO
32FILI
31FILO
34CLTV
36RFAC
38ASYI
39ASYO
42ASYE
73WFCK
74SCOR
76EXCK
75SBSO
72EMPH
78SQCK
77SQSO
95MON
94FSW
96MDP
97MDS

26RFDC
27TE
28SE
29FE
3025VC

GENERATOR

(

DOUBLE SPEED

ASYMMETRY
CORRECTION

NOISE

SHAPER

SWITCH

&

BUFFER

CLOCK

DIGITAL

PLL

VARI-PITCH

A/D

CONVERTER

VPCO

DEMODULATOR

)

MUX

TIMING

GENERATOR 1

SUBCODE

P-W

PROCESSOR

SUBCODE

Q

PROCESSOR

18-TIMES

OVERSAMPLING

FILTER

EFM

SYNC

PROTECTOR

CLV

PROCESSOR

MIRR
DFCT

FOK DETECTOR

32K RAM

ADDRESS

GENERATOR

RESISTER

DATA PROCESSOR

ERROR CORRECTOR

TIMING

GENERATOR 2

SERVO

MICRO PROGRAM

INTERFACE

SERVO DSP PWM GENERATOR

SLED SERVO

TRACKING

SERVO

FOCUS SERVO

PRIORITY
ENCODER

D/A

PEAK DETECTOR

SEQUENCER

DIGITAL OUT

CPU INTERFACE

SERVO

SLED PWM

GENERATOR

TRACKING PWM

GENERATOR

FOCUS PWM
GENERATOR

SERIAL

PARALLEL

PROCESSOR

AUTO

2
2
2
2
2
2

16

DA01-1661-46

79 MUTE

71 D OUT

70 MD2

86 DATA
88 CLOK
87 XLAT

80 SENS

89 COUT
91 MIRR
92 DFCT
93 FOK

SFON, SFDR3, 100
SRON, SRDR1, 2
TFDR, TFON4, 7
TRON, TRDR5, 6
FFDR, FFON8, 11
FRON, FRDR9, 10

• VIDEO section

IC509 PCM1727E

1

XT1

2

PGND

3

VCP

NCKO

4

RSV

5
6

SCKO3

7

ML
MC

RSTB

VOUTR

AGND

MC

8
9

10

11

12

MODE

CONTROL

CONTROL

384fs

CLOCK MANAGER

DUAL PLL

POWER

SUPPLY

BPZ

•

SAMPLING DIGITAL

MULTI LEVEL

∆Σ

MODULATOR

5 LEVEL

DAC

CR LPF

•

OUTPUT

AMP

8 TIME OVER

FILTER

•
FUNCTION
CONTROL

MULTI LEVEL

MODULATOR

AUDIO

DATA INPUT

INTERFACE

∆Σ

5 LEVEL

DAC

CR LPF

•

OUTPUT

AMP

OPEN

24

23
22
21
20

19

18

17

16

15

14

13

XT2

DGND
VDD
SCKO1
SCKO2

LRCK

DATA

BCK

ZERO

CAP

VOUTL

VCA

• DISPLAY section

IC603 BA3833F

RESET

1

C

2

3

4

5

6

7

8

9

REFFERENCE

CURRENT

Bias

PREF

LINE

NF

LINE

IN

GND

BIAS

C

NC

NC

NC

IC851 MSM6653A-517GS-K

RESET

BPF

BPF DET

BPF DET

BPF DET

DET

DET

18

RESET

17

f01

16

f02

15

f03

14

f04

13

f

12

VCC

11

NC

10

NC

24

16

14

RFC

ADIO

TEST17TES3

IC102 BA6392FP

BUFF

1CH1 OUT F

BUFF

2CH1 OUT R

3CAPA IN 1

R

4CH1 R IN

INTERFACE

F

5CH1 F IN

6VREF IN

7VREF OUT

8GND

FF

9CH2 F IN

INTERFACE INTERFACE

RR

10CH2 R IN

11CAPA IN 2

BUFF BUFF

12CH2 OUT R

BUFF

13CH2 OUT F

14GND

21

23

TES2

AVDD40AVDD

BUFF

AVSS35AVSS

F

R

RRFF

41

ADD90ADD

15

DVSS65DVSS

LEVEL
SHIFT

MUTE

81

XRST

22

37

44

45

66

82

83

84

85

98

99

FSTI

BIAS

IGEN

WDCK

LRCK

DIRC

SCLK

DFSW

ATSK

LOCK

SSTP

IC103 CXA1821M

1

LD VCCVCC

PD LD ON

2

A LC/PD

3

VEE

VEE

VC

RF SUMMING AMP

B RFE

4

C RFO

5

D FE

6

VEE FE BIAS

7

F TE

E VC

EI EO

VC

8

9

VC

10

BUFF

BUFF

BUFF

28 GND

27 CH4 OUT F

26 CH4 OUT R

25 VB IN

24 VS IN

23 VB IN

22 VCC

21 VCC

20 CH3 F IN

19 CH3 R IN

18 CAPA IN 3

17 CH3 OUT R

16 CH3 OUT F

15 MUTE

– 85 – – 86 –

VCC

VREF

VC

APC LD AMP

VEE

TRACKING ERROR AMP

VC

VC

VCC

VEE

RF EQ AMP

VC

FOCUS ERROR AMP

VC BUFFER

• Deck section

IC602 uPC1330HA

INVERTER

20

• MIC/HP section

4

CONT

COMPARATER

5

VCC

GND

6

SW P2 GND

7 8 9

SW R2

IC751 M65850FP

19

2

18

17

1

SW R1 GND SW P1

3

• CD motor section

16

15

14

13

VC

12

11

IC701 M54641L

IN1

IN2

INPUT

3

AMP.

INPUT

6

AMP.

VCC VCC

1

REG

POWER
AMP.

GND

CONTROL

4

POWER
AMP.

8

REFERENCE

5

IC801 BA6286N

OUT2

2

OUT1

7