Sony HCD-VX8J Service Manual ▷ View online
HCD-VX8/VX8J
– 71 –
– 72 –
8-23. PRINTED WIRING BOARD – CD MOTOR SECTION –
• See page 18 for Circuit Boards Location.
(Page 50)
(Page 49)
HCD-VX8/VX8J
8-24. SCHEMATIC DIAGRAM – TRANS SECTION –
– 73 –
– 74 –
(Page 54)
(Page 57)
HCD-VX8/VX8J
– 75 –
– 76 –
8-25. PRINTED WIRING BOARD – TRANS SECTION –
• See page 18 for Circuit Boards Location.
8-26. SCHEMATIC DIAGRAM – SURROUND SECTION –
• See page 79 for IC Block Diagrams.
8-27. PRINTED WIRING BOARD – SURROND SECTION –
• See page 20 for Circuit Boards Location.
(Page 49)
(Page 50)
(Page 51)
(Page 50)
HCD-VX8/VX8J
– 77 –
– 78 –
• PANEL (3/3) Board
IC604 NJU3716M-T2
8-28. IC BLOCK DIAGRAMS
• BD Board
IC101 CXD3008Q
26 27
28
29 30 31 32 33 34
35 36 37
38 39 40
TES1
SE
FE
VC
TFDR
DVSS1
FRDR
FFDR
TRDR
SRDR
SFDR
DVDD1
FST0
SSTP
TES1
80 79 78 77 76
75 74 73
72 71 70 69 68 67 66
XTSL
PCMD
BCK
EMPH
XOLT
XTA1
XTA0
SOUT
SOCK
SQSO
SQCK
SCSY
EXCK
EXCK
DVSS2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
XRST
VDD
MDP
LOCK
PWM1
DFCT
MIRR
COUT
DVSS
WDCK
FDK
SCOR
C2P0
XPCK
XUGF
WFCK
ATSK
SENS
CLOK
XLAT
DATA
SENS
CLOK
XLAT
DATA
MUTE
SCLK
GFS
C4M
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
65
64
47
46
45
44
43
42
41
LRCK
DOUT
VPC0
ASYE
MD2
FIL0
CLTV
ASY0
ASY1
RFAC
AVSS1
FIL1
PCO
DVDD2
BIAS
V16M
CE
TE
RFDC
AD10
AVSS0
1GEN
AVDD
CLOCK
GENERATOR
ASYMMETY
CORRECTOR
DIGITAL
PLL
EFM
DEMODURATOR
DIGITAL
PLL
CPU
INTERFACE
SERVO
AUTO
SEQUENCER
SERVO
INTERFACE
SUB
CODE
PROCESSOR
DIGITAL
OUT
ERROR
CORRECTOR
32K
RAM
D/A
INTERFACE
MIRR
DFCT
FOK
OP
AMP
ANALOG
SW
A/D
CONVERTER
FOCUS SERVO
TRACKING
SERVO
SERVO DSP
SLED PWM
GENERATOR
TRACKING PWM
GENERATOR
FOCUS PWM
GENERATOR
PWM GENERATOR
SLED SERVO
• PANEL (2/3) Board
IC605 MSM6654A-540GS-K
BEEP TONE
GENERATOR
MELODY
GENERATOR
OSC
(XT/CR)
RANDOM
CIRCUIT
I/O
INTERFACE
TIMING
CONTROLLER
17 STAGE
(MSM6654A)
ADDRESS
COUNTTER
17 STAGE
(MSM6654A)
MULTIPLEXER
ADDRESS
&
SWITCHING
CONTROLLER
1M BIT ROM
EDITING ROM &
ADDRESS ROM
CONTAINS 22KBIT
DATA
CONTROLLER
ADPCM
SYNTHESIZER
PCM
SYNTHESIZER
12 BIT
DAC
LPF
8
RND
7
NC
6
NC
5
OSC3
4
NC
16
9
10
11
15
12
13
14
A2
A1
A1
A0
SW3
SW2
SW1
SW0
SW0
TEST
17 RESET
18 NC
19 NC
20 BUSY
21 NC
22 XT/CR
23 AOUT
24 GND
2
1
3
OSC2
OSC1
VDD
8
12
7
11
12
10
VC
VC
VC
VC
VC
VC
VC
VCC
VCC
RF SUMMING AMP RF_EQ_AMP
ERROR AMP
FOCUS
FOCUS
TRACKING
ERROR AMP
ERROR AMP
VC BUFFER
VCC
VCC
VC
VC
VC
VC
VEE
VEE
VEE
VEE
VEE
VREF
13
14
15
6
5
1
2
3
4
7
8
9
16
19
20
21
22
23
24
18
17
HOLD
LD
PD
A
B
C
D
VEE
F
E
VC
AGCVTH
AGCCONT
VCC
LC/PD
LD_ON
LD_ON
HOLD_SW
RF_BOT
RFTC
RF_1
RFO
RFO
RFE
FE
TE
(50%/30%
OFF)
OFF)
APC PD AMP
APC LD AMP
• PANEL (1/3) Board
IC603 BA3830F
• VIDEO (3/3) Board
IC509 PCM1727E-2/T2
1
2
3
4
5
6
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
POWER
SUPPLY
CLOCK MANAGER
•
DUAL PLL
AUDIO
DATA INPUT
INTERFACE
8 TIME OVER
SAMPLING DIGITAL
FILTER
•
FUNCTION
CONTROL
MODE
CONTROL
MULTI LEVEL
∆Σ
MODULATOR
MULTI LEVEL
∆Σ
MODULATOR
5 LEVEL
DAC
5 LEVEL
DAC
CR LPF
•
OUTPUT
AMP
CR LPF
•
OUTPUT
AMP
BPZ
CONTROL
13
OPEN
XT1
PGND
VCP
NCKO
RSV
SCKO3
ML
MC
MC
RSTB
VOUTR
AGND
VCA
ZERO
BCK
DATA
LRCK
SCKO2
SCKO1
VDD
DGND
XT2
384fs
15
14 VOUTL
CAP
2
3
14
1
f04
13 f05
12 f06
11 REC
LEVEL
10 VCC
15 f03
5
REC
NF
6
REC
IN
7
RESET
C
8
BIAS
C
9
GND1
4
16 f02
17 f01
18 RESET
R02
P01
LINE
NF
LINE
IN
REFFERENCE
CURRENT
BPF
DET
BPF
DET
BPF
DET
BPF
DET
DET
RESET
Bias
REFFERENCE
CURRENT
DET
DET
BPF
BPF
IC711 M65850FP-E1
OSCILLATOR
1/2 VCC
AUTO
RESET
LPF1
MAIN
CONTROL
A/D
20KBIT
SRAM
LPF2
D/A
1
2
3
4
5
6
7
8
9
10
14
13
12
11
CLOCK
RESET
MO
MI
D1
DO0
DO1
VCC
CLOCK
REF
OP2IN
OP2OUT
LPF2IN
LPF2OUT
LPF1IN
LPF1OUT
OP1OUT
OP1IN
CC1
CC2
GND
• BD Board
IC103 CXA2568M-T6
13
DATA
CLK
STB
CLR
P16
P15
P14
P13
P12
GND
P11
P10
P9
P8
P7
14
15
16
11
SO
12
10
9
8
7
6
5
4
3
2
1
CONTROL
LATCH
SHIFT REGISTER
17 18 19
20
21
22
23
24
P1
GND
P2
P3
P4
P5
P6
VDD
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