Sony HCD-VX880AV Service Manual ▷ View online
61
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
62
• IC601 DISPLAY CONTROL (TMP88CS76F-6010) (PANEL Board (1/2))
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
63
SECTION 7
EXPLODED VIEWS
7-1. 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.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
* 1
4-996-716-01 HOLDER (CDM)
2
3-363-099-71 SCREW (CASE 3 TP2)
3
3-363-099-11 SCREW (CASE 3 TP2)
4
4-215-179-01 CASE
5
1-693-381-11 TUNER UNIT (FM/AM)
4
2
2
3
1
6
6
1
3
5
#1
#2
#2
#12
#12
#1
CDM38LH-26BD36L
Front panel
#1
#7
#1
#1
#7
Including Panel board
(Ref No. 118)
(Ref No. 118)
8
7
#2
#2
#2
not supplied
11
9
10
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.
6
4-951-620-01 SCREW (2.6X8), +BVTP
7
4-223-216-01 EMBLEM (S-VCD)
8
X-4952-097-1 PANEL ASSY, LOADING
9
1-791-517-11 WIRE (FLAT TYPE) (15 CORE)
10
1-775-229-11 WIRE (FLAT TYPE) (25 CORE)
11
A-4724-927-A VIDEO BOARD, COMPLETE
64
7-2. CHASSIS SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
4-965-822-01 FOOT
* 52
1-672-369-11 TRANS BOARD
53
A-4426-786-A MAIN BOARD, COMPLETE
54
4-985-642-01 CUSHION
55
1-773-008-11 WIRE (FLAT TYPE) (15 CORE) (140 mm)
56
1-773-049-11 WIRE (FLAT TYPE) (17 CORE)
* 57
3-703-244-00 BUSHING (2104), CORD
* 58
4-988-533-01 HOLDER, PWB
! 59
1-782-464-21 CORD, POWER
60
A-4426-776-A FRONT AMP BOARD, COMPLETE
#2
#4
not supplied
not supplied
#2
#2
#2
#2
#2
#4
#2
60
63
64
not supplied
52
53
55
56
62
57
58
61
#2
#2
#2
T951
not supplied
#3
#3
#3
51
65
59
#2
#2
#2
#1
#2
#2
#2
#2
M901
54
61
4-215-642-71 PANEL, BACK
62
1-773-023-11 WIRE (FLAT TYPE) (15 CORE) (310 mm)
63
A-4426-779-A 3CH AMP BOARD, COMPLETE
64
1-675-906-11 5V POWER BOARD
65
3-701-822-01 HOLDER, WIRE
M901
1-763-072-11 FAN, D.C.
! T951
1-433-555-21 TRANSFORMER, POWER
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.
Click on the first or last page to see other HCD-VX880AV service manuals if exist.