Sony HTC-W555 / MHC-W555 Service Manual ▷ View online
– 58 –
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.
– 59 –
SECTION 7
EXPLODED VIEWS
7-1. CASE AND BACK PANEL 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 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.
mark ! or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
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
4-900-871-01 LOADING PANEL
2
1-782-152-11 CORD (WITH CONNECTOR)
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
1
2
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
– 60 –
7-2. FRONT PANEL SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
4-900-890-01 SPRING (L)
52
X-4950-014-1 CASSETTE HOLDER (A) ASSY
53
4-900-891-01 SPRING (R)
54
X-4950-015-1 CASSETTE HOLDER (B) ASSY
55
X-4950-011-1 FRONT PANEL ASSY
56
X-4950-013-1 ESCUTCHEON (TC) ASSY
57
X-4950-012-1 ESCUTCHEON (CD) ASSY
58
4-962-708-11 EMBLEM (4-A), SONY
59
4-900-881-01 BUTTON (EJECT A)
60
4-900-882-01 BUTTON (EJECT B)
61
4-951-620-01 SCREW (2.6X8), +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
4-210-045-01 DAMPER
67
4-977-358-11 CUSHION
68
3-019-456-01 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
72
1-690-589-31 WIRE (FLAT TYPE) (13 CORE)
51
53
52
54
55
56
67
57
58
59
60
61
62
63
64
65
65
66
61
61
61
61
61
61
68
68
71
72
69
70
– 61 –
7-3. CD MECHANISM SECTION 1 (CDM38-5BD29A)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
201
4-981-789-21 BRACKET (2), YOKE
202
4-977-945-01 TRAY (TURN)
203
X-4946-665-1 SHAFT ASSY, WORM
204
4-977-943-01 BELT (TURN) (1.2)
205
4-977-956-01 WHEEL, WORM
* 206
1-658-577-11 MOTOR (TURN) BOARD
207
4-988-162-01 ROLLER
208
4-977-941-01 BEARING (WORM)
* 209
1-658-576-11 SENSOR BOARD
210
4-934-376-01 SHAFT (ROLLER)
211
4-981-187-01 COLLAR (WORM)
212
4-977-944-01 TRAY (SLIDE)
M701
A-4672-004-A MOTOR ASSY (TURN)
#3
M701
#2
#2
201
201
202
203
211
204
205
206
208
209
210
207
212
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