Sony HCD-VX8J Service Manual ▷ View online
– 87 –
• IC501 MASTER CONTROL (M30622MA-A09FP) (MAIN Board)
Pin No.
Pin Name
I/O
Function
1
STK-MUTE
O
Power amp ON/OFF signal output
2
POWER
O
Power ON/OFF signal output
3
F-RELAY
O
Front speaker relay control output
4
REAR-RELAY
O
Rear speaker relay control output (Not used)
5
CD-POWER
O
CD power on signal output
6
LINE-MUTE
O
Line mute ON/OFF selection output
7
DBFB-H/L
O
DBFB H/L select signal output
8, 9
–
–
Not used
10
XC-IN
I
11
XC-OUT
O
12
RESET
I
Reset signal input
13
X-OUT
O
X’tal (16MHz)
14
VSS
–
Ground
15
X-IN
I
X’tal (16MHz)
16
VCC
–
Power supply (+5V)
17
NMI
I
Not used (PULL UP EVER+5V)
18
WAKE UP
I
WAKE UP (Fixed at fixed at “L”)
19
SCOR
I
Subcode data request signal output (Not used)
20
RDS-INT
I
21
RDS-DATA
I
22
AC-CUT
I
Back up signal input
23
PL-CLK
O
Clock signal to pro-logic (Not used)
24
PL-DATA
O
Data signal to pro-logic (Not used)
25
PL-LAT
O
Latch signal to pro-logic (Not used)
26
TIMER LED
I
Timer LED ON/OF
27
PROTECTOR
I
Speaker protect ON/OF
28
–
–
Not used
29
IIC-CLK
O
Clock output for IC601
30
IIC-DATA
O
Data output for IC601
31
–
–
Not used
32
SQ-DATA
I
Subcode Q data clock input
33
SQ-CLK
I
Not used
34
SW-MODE
O
Not used
35
CD-DATA
O
CD data output (Not used)
36
RY-SW
I
Head phone swich detect
37
CD-CLK
O
CD clock output (Not used)
38
493-LAT
O
Latch signal output for M62493FP (IC101)
ST-BY LED/
CLOCK-OUT
40
L+R/L-R
I
41
BY-PASS
I
42
FL-SW
I
FL switch ON/OFF
43
STBY RELAY
I
Stand by relay ON/OFF
44
BASS FREQ
O
FREQ high/low signal for SYNC bass
45, 46
–
–
Not used
47
493-DATA
O
Data output for M62493FP (IC101)
48
493-CLK
O
Clock output for M62493FP (IC101)
49
ST-MUTE
O
Tuned mute signal output
X’tal (32.768MHz)
RDS data interrupt input
39
O
Clock ond stand by LED signal output
Not used
– 88 –
Pin No.
Pin Name
I/O
Function
50
STEREO
I
Stereo detection for tuner
51
TUNED
I
Tuned detection for tuner
52
ST-CE
O
Tuner chip enable output
53
ST-DOUT
O
Tuner data output
54
ST-DIN
I
Tuner data input
55
ST-CLK
O
Tuned clock output
56
SENS
I
BD Condition signal input (Not used)
57
HDLD
O
Mode hold signal output (Not used)
58
XLT
O
CD latch signal output (Not used)
59
XRST
O
CD reset signal output
60
DISC-SENS
I
Slit sensor of disc table input
61
T-SENS
I
CD table detection signal input
62
VCC
–
Power supply (+5V)
63
TBL-L
O
Table motor control output
64
VSS
–
Ground
65
TBL-R
O
Table motor control output
66
LOAD-OUT
O
67
LOAD-IN
O
68
ENC 3/UP-SW
I
69
ENC 2/DISC-LED
I
70
ENC 1
I
71
OUT-OPEN
O
Loading out detection signal output
72
B-TRG
O
73
A-TRG
O
74
CAP-M-COT2
O
Capstan motor control 1(-) signal output
75
CAP-M-COT1
O
Capstan motor control 2(-) signal output
76
CAP-M-H/L
O
Capstan motor H/L speed select signal output
77
AMS-IN
I
Connected to ground
78
TC-MUTE
O
TC mute ON/OFF selection output
79
R/PB/PAS
O
REC/PB/PASS selection output
80
NR-ON/OFF
O
NR ON/OFF signal output
81
REC-MUTE
O
REC mute ON/OFF selection output
82
BIAS
O
Bias ON/OFF selection output
83
EQ-H/N
O
Equalizer H/N select output
84
PB-A/B
O
PB Deck A/Deck B select output
85
ALC
O
ALC ON/OFF output
86
B-PLAY-SW
I
Deck B play detect
87
A-PLAY-SW
I
Deck A play detect
88
A-HALF
I
Deck A cassette detect
89
B-HALF
I
Deck B cassette detect
90
B-SHUT
I
B Deck reel pulse detector
91
A-SHUT
I
A Deck reel pulse detector
92
SOFT-TEST
O
Software test port
93, 94
KEY/CD-ADJ
I
CD adjust point port
95
MODEL IN
I
Version select signal input
96
AVSS
–
Ground
97
SPEC-IN
I
Version select signal input
98
VREF
I
Analog reference voltage input
99
AVCC
–
Analog power supply
100
TC-RELAY
O
REC/PB head selection output for IC602
Loading motor control signal output
Disc tray address detect encoder input
Trigger motor control output
– 89 –
• IC601 DISPLAY CONTROL (TMP88CS76F-6005) (PANEL Board)
Pin No.
Pin Name
I/O
Function
1
SIRCS
I
Remote commander signal input
2
JOG A
I
Rotary encoder (S601) pulse input
3
L/P SCK
O
LED/PAD clock output
4
LED LA
O
LED latch output
5
L/P DAT
O
LED/PAD data output
6
PAD LA
O
PAD latch output
7
L SEL
O
LED select signal
8
JOG B
I
Rotary encoder (S601) pulse input
9
VOL A
I
10
VOL B
I
11 to 14
KEY 0 to KEY 3
I
Key input
15
GRADATION L
O
LED gradation signal (left)
16
S LOW (F01)
O
Sptctrum analyzer input (Super low flegency) (40Hz)
17
BPF 1 (F02)
O
Sptctrum analyzer input (100Hz)
18
BPF 2
O
Sptctrum analyzer input (400Hz)
19
BPF 3
O
Sptctrum analyzer input (2KHz)
20
BPF 4
O
Sptctrum analyzer input (6KHz)
21
ALL B (L+R)
I
Sptctrum analyzer input (all band)
22
GLADATION
O
R/WAKE UP
23
VSS I/O
–
Ground
24
VASS
–
Ground
25
VAref
I
Analog reference voltage input
26
VDD I/O
–
Power supply (+5V)
27 to 40
G 18 to G 5
O
FL gride signal output
41
VDD VFT
–
Power supply (+5V)
42 to 45
G 4 to G 1
O
FL gride signal output
46 to 67
S 1 to S 22
O
FL segment signal output
68
VKK
–
Power supply (-30V)
69
VDD for CPU
–
Power supply (+5V)
70
X IN
I
X’tal (12.5MHz)
71
VSS for CPU
–
Ground
72
X OUT
O
X’tal (12.5MHz)
73
RESET
I
Reset signal input from main controller
74
CH for PAD
O
Channel signal output for PAD
75
BUSY for PAD
O
Busy signal output for PAD
76
TEST
I
Connected ground
77
–
–
Not used (to ground)
78
IIC DATA
O
Data output for IC501
79
IIC CLK
O
Clock output for IC501
80
–
–
Not used (to ground)
Rotary encoder (S602) pulse input
LED gradation signal (right)/WAKE UP signal
– 90 –
SECTION 9
EXPLODED VIEWS
9-1. CASE SECTION
NOTE:
• Items marked “*” are not stocked since they are
seldom required for routine service. Some delay
should be anticipated when ordering these items.
should be anticipated when ordering these items.
• The mechanical parts with no reference number in
the exploded views are not supplied.
• Hardware (# mark) list and accessories and pack-
ing materials are given in the last of this parts list.
• Color Indication of Appearance Parts Example:
KNOB, BALANCE (WHITE)
Â
Cabinets color
• Abbreviation
EA
: Saudi Arabia model
HK
: Hong Kong model
SP
: Singapore model
MY
: Malaysia model
TW
: Taiwan model
IA
: Indonesia model
TH
: Thai model
The components identified by
mark
mark
! or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
Replace only with part number
specified.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
* 1
4-996-716-01 HOLDER (CDM)
2
3-363-099-41 SCREW (CASE 3 TP2)(GRAY)
2
3-363-099-71 SCREW (CASE 3 TP2)(SILVER)
3
3-363-099-01 SCREW (CASE 3 TP2)(GRAY)
3
3-363-099-11 SCREW (CASE 3 TP2)(SILVER)
* 4
4-221-149-21 CASE (SILVER)
* 4
4-221-149-61 CASE (GRAY)
5
1-233-545-11 TUNER UNIT (TH)
5
1-233-546-13 ENCAPSULATED COMPONENT (EXCEPT TH)
4
2
2
3
1
7
8
6
6
1
3
5
#1
#2
#2
#2
#2
#2
#13
#13
#1
CDM38L-5BD34L
Front panel
#1
#1
#1
#1
#1
Including Panel board
(Ref No. 118)
(Ref No. 118)
Including Trans board
(Ref No. 52)
(Ref No. 52)
not supplied
11
9
10
6
4-951-620-01 SCREW (2.6x8), +BVTP
7
X-4950-965-1 PANEL ASSY, LOADING (VX8)(GRAY)
7
X-4951-028-1 PANEL ASSY, LOADING (VX8)(SILVER)
7
X-4951-629-1 PANEL ASSY, LOADING (VX8J)
8
4-991-781-01 EMBLEM (VCD)
9
1-790-927-11 WIRE (FLAT TYPE) (13 CORE)
10
1-775-212-11 WIRE (FLAT TYPE) (23 CORE)
11
A-4724-727-A VIDEO BOARD, COMPLETE
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