Sony HTC-WX5 / MHC-WX5 / MHC-WX7AV Service Manual ▷ View online
37
Pin No.
Pin Name
I/O
Function
1
CAPM-EMG (+)
I
Capstan motor control 1 (+) signal output
2 to 7
LED1 to LED6
O
LED
8
NC
O
Not used
9
GND
–
Ground
10
X2
O
X’tal (5MHz)
11
X1
I
12
VDD
–
Power supply (+5V)
13
NC
O
Not used
14
+5V
–
Power supply (+5V)
15
RESET
I
Reset signal input
16
GND
I
Ground
17
NC
O
Not used
18
SCOR
O
Subcode data request signal output
19
NC
O
Not used
20
NC
O
21, 22
GND
–
Ground
22
RDS-DATA
I
RDS data interrupt input
23
VDD
–
Power supply (+5V)
24
AVDD
–
Power supply (+5V)
25
ADJ
I
CD adjust point port
Normal “H”
26
A-SHUT
I
A Deck reel pulse detector
27
B-SHUT
I
B Deck reel pulse detector
28
B-HALF
I
Half detector signal input
29
KEY A
I
Key analog input
30
KEY B
I
31
AMS
I
Connected to ground
32
CD/VCD
I
CD/VCD select input (Fixed at “L”)
33
GND
–
Ground
34
SQ-DATA-IN
I
Subcode Q data clock input
35
CAN’T-USE
–
Not used
36
SQ-CLK
I
Sub code Q data clock input
37 to 45
GND
–
Ground
46
CD-POWER
O
CD power on signal output
47
CD-DATA
O
CD data output
48
CD-CLK
O
CD clock output
49
PBC
O
Not used
50
VCD
O
Not used
51
PBC-OFF
O
Not used
52
DECO1
O
LED ON/OFF control output
53
EXIST2
O
LED ON/OFF control output
54
DISC2
O
LED ON/OFF control output
55
IIC/DATA
I
Serial data input
56
IIC/CLK
I
Serial clock input
57
XRST
O
CD reset signal output
58
XLT
O
CD latch signal output
59
NC
O
Not used
• IC101 MASTER CONTROL (uPD780016AYGF-022-3BA) (MAIN BOARD)
38
Pin Name
I/O
Function
60
TBL-L
O
Table motor control output
61
TBL-R
O
62
NC
O
Not used
63
LOAD-OUT
O
Loading motor control signal output
64
LOAD-IN
O
65
CD-PAUSE
O
LED IN/OFF control output
66
DECO2
O
LED IN/OFF control output
67
CD-PLAY
O
LED IN/OFF control output
68
EXIST3
O
LED IN/OFF control output
69
EXIST1
O
LED IN/OFF control output
70
DISC3
O
LED IN/OFF control output
71
GND
–
Ground
72
DISC1
O
LED IN/OFF control output
73
SENSE2
I
BD Condition signal input
74
SENS
I
75
DISC-SENS
I
Slit sensor of disc table input
76
T-SENS
I
CD table detection signal input
77
NC
O
Not used
78
ENC 3
I
79
ENC 2
I
Disc tray adrress detect encoder input
80
ENC 1
I
81
OPEN
O
Loading out detection signal output
82
CAPM-H/L
O
Capstan motor speed select signal output
83
B-TRG
O
Trigger motor control output
84
A-TRG
O
Trigger motor control output
85
CAPM-EMG (–)
O
Capstan motor control 1 (–) signal output
86
CAPM-ON/OFF (–)
O
Capstan motor control 2 (–) signal output
87
TC-MUTE
O
TC mute ON/OFF selection output
88
REC/CB
O
REC/PB/PASS selection output
89
NR-ON/OFF
O
NR ON/OFF signal output
90
REC-MUTE
O
REC mute ON/OFF selection output
91
NC
O
Not used
92
BIAS
O
Bias ON/OFF signal output
93
NORM/HI
O
Equalizer select output
94
PB-A/B
O
PB Deck A/Deck B select output
95
A-PLAY
I
Deck A play detect
96
B-PLAY
I
Deck B play detect
97
TC-RELAY
O
REC/PB head selection output for IC602
98
A-HALF
I
Deck A cassette detect
99
ALC-ON/OFF
O
ALC ON/OFF output signal
100
CAPM-ON/OFF (+)
O
Capstan motor control 2 (+) signal output
Pin No.
SECTION 7
EXPLODED VIEWS
NOTE:
•
-XX, -X mean standardized parts, so they may
have some differences from the original one.
have some differences from the original one.
•
Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
•
The mechanical parts with no reference number
in the exploded views are not supplied.
in the exploded views are not supplied.
•
Hardware (# mark) list and accessories and
packing materials are given in the last of this
parts list.
packing materials are given in the last of this
parts list.
The components identified by mark
!
or
dotted line with mark
!
are critical for safety.
Replace only with part number specified.
39
•
Abbreviation
EA3 : Saudi Arabia model
EA4 : Israel model
EA
EA4 : Israel model
EA
: Middle East model
(Saudi Arabia and Israel)
(Saudi Arabia and Israel)
SP
: Singapore model.
MY
: Malaysia model.
TW
: Taiwan model
AUS : Australian model.
AR
AR
: Argentine model
JE
: Tourist model
TH
: Thai model
7-1. CASE AND BACK PANEL SECTION
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
1
3
4
5
6
7
8
9
10
11
11
12
#2
#2
#2 #2
#2
#1
#1
#1
#1
#1
#1
not supplied
not supplied
not supplied
CDM38-5BD29A
FRONT PANEL
@
not
supplied
7
4-970-381-11 FOOT (REAR)
* 8
1-669-418-11 REGULATOR BOARD
9
4-995-189-01 COVER (SC)
* 10
4-991-349-21 PANEL, BACK
11
3-363-099-01 SCREW (CASE 3 TP2)
* 12
4-900-858-21 CASE
1
X-4951-669-1 LOADING PANEL ASSY
3
1-773-012-11 WIRE (FLAT TYPE) (15 CORE)
4
1-775-173-11 WIRE (FLAT TYPE) (17 CORE)
5
1-773-114-11 WIRE (FLAT TYPE) (19 CORE)
6
A-4414-231-A MAIN BOARD, COMPLETE (JE,EA4,TH)
6
A-4419-960-A MAIN BOARD, COMPLETE (EXCEPT JE,EA4,TH)
Ver 1.1 2003.05
40
7-2. FRONT PANEL SECTION
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
51
53
52
54
55
56
57
58
59
60
61
62
63
64
65
65
66
61
61
61
61
61
61
68
68
71
67
69
70
51
4-900-890-01 SPRING (L)
52
X-4951-670-1 CASSETTE HOLDER (A) ASSY
53
4-900-891-01 SPRING (R)
54
X-4951-671-1 CASSETTE HOLDER (B) ASSY
55
X-4951-672-1 FRONT PANEL ASSY
56
X-4951-674-1 ESCUTCHEON (TC) ASSY
57
X-4951-673-1 ESCUTCHEON (CD) ASSY
58
4-962-708-11 EMBLEM (4-A), SONY
59
4-900-881-11 BUTTON (EJECT A)
60
4-900-882-11 BUTTON (EJECT B)
61
4-951-620-01 SCREW (2.6
×
8), +BVTP
* 62
1-669-421-11 TC (P) BOARD
* 63
1-669-423-11 TC (B) BOARD
* 64
1-669-419-11 TC LED BOARD
* 65
1-669-422-11 TC (A) BOARD
66
4-210-062-01 DAMPER
67
1-690-589-31 WIRE (FLAT TYPE) (13 CORE)
68
3-019-456-11 SCREW STEP
69
4-900-888-01 EJECT (LEVER-L)
70
4-900-889-01 EJECT (LEVER-R)
* 71
1-669-420-11 CD (P) BOARD
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