Sony TC-WE475 Service Manual ▷ View online
26
26
TC-WE475
6-17. IC PIN FUNCTION
• IC801 SYSTEM CONTROL (CXP82220-052Q) (MAIN board)
Pin No.
Pin Name
I/O
Function
1
PLAYSW (B)
I
Play switch input (DECK B)
2
GND
—
Ground
3
METAL (B)
I
METAL input (DECK B)
4
SIRCS IN
I
Sircs signal input
5
POWER IN
I
Power hold input
6
VOL OUT
O
Volume output
7
A/B SEL
I
Playback A/B selector input
“L” : A, “H” : B
8
CONTROL-A IN
I
Control A signal input
9
CONTROL-A OUT
O
Control A signal output
10
FL CLK
I
FL CLK control input
11
FL DATA IN
I
Display control input
12
FL DATA OUT
O
Display control output
13
CS
I
Sircs signal input
14
NC
—
Not used
15
REC /PB
O
Record /playback dolby NR mode selector output
“L” : Playback
16 to 23
NC
—
Not used
24
REC MUTE B
O
Recording mute output (DECK B)
25
NC
—
Not used
26
C/B/OFF
O
Dolby selector
“H ”: C,“Open”: B, “L”: Dolby off
27
REC EQ H/N
O
REC EQ high/normal selector output “L”: Dolby
28
PASS/MUTE/DOLBY
O
Audio selector
“H”: Pass , “Open”: Mute,“L”: Recording
29
BS/AMS/OFF
O
AMS amp selector
“H”: BS, “Open”: AMS, “L”: OFF
30
RELAY (B)
I
Relay swich input (DECK B)
31
NC
—
Not used
32
METER (L)
I
Meter L-CH input
33
METER (R)
I
Meter R-CH input
34
HALF (B)
I
Half swich input (DECK B)
35
SHUT (B)
I
Capstan motor rotation detection input (DECK B)
36
SHUT (A)
I
Capstan motor rotation detection input (DECK A)
37
HALF (A)
I
Half swich input (DECK A)
38
RESET
I
System reset input
39
EXTAL
O
System clock oscillator output (10 MHz)
40
XTAL
I
System clock oscillator input (10 MHz)
41
VSS
—
42
TX
—
Ground
43
TEX
—
44
VOL IN
I
Auto rec level control input
45
DIR MODE IN
I
Key input
46
AVREF
—
Connected to power supply
47
AV SS
—
Ground
48
AR LED
O
AUTO LED driver
“H”: ON
49
CD SYNC LED
O
SYNCHRO LED driver
“L”: ON
50
CAP, M2 (B)
O
51
CAP, M4 (B)
O
52
CAP, M3 (B)
O
53
CAP, M1 (B)
O
54 to 57
NC
—
Not used
58
CAP, M2 (A)
O
59
CAP, M1 (A)
O
Capstan motor driver (DECK B)
Capstan motor driver (DECK A)
Pin No.
Pin Name
I/O
Function
60
CAP, M3 (A)
O
61
CAP, M4 (A)
O
62 to 66
NC
—
Not used
67
CAP, M H/L
O
Capstan motor high/normal selector output
“L”: ON
68
PITCH ON/OFF
O
Pitch control ON/OFF output
69 to 70
NC
—
Not used
71
LINE MUTE
O
Line mute ON/OFF control output
72 to 87
NC
—
Not used
88
VF
—
Ground
89
VDD
—
Power supply (+5V)
90
N.C
—
Not used
91
VSS
—
Ground
92
NC
—
Not used
93
BIAS (B)
O
Bias ON/OFF output (DECK B)
94
PITCH CON-SW
O
Pitch control ON/OFF control output
“L”: ON
95
AMS IN
I
AMS amp selector
96
TRG (B)
O
Trigger control output (DECK B)
97
TRG (A)
O
Trigger control output (DECK A)
98
NC
—
Not used
99
PLAYSW (A)
I
Play swich input (DECK A)
100
70U
I
Ground
Capstan motor driver (DECK A)
27
TC-WE475
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.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color
Cabinet's Color
• Hardware (# mark) list and accessories and pack-
ing materials are given in the last of this parts list.
• Abbreviation
CND : Canadian model
SP
SP
: Singapore model
AUS : Australian model
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
Les composants identifiés par une
marque 0 sont critiques pour la
sécurité.
Ne les remplacer que par une
piéce portant le numéro spécifié.
marque 0 sont critiques pour la
sécurité.
Ne les remplacer que par une
piéce portant le numéro spécifié.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
2
4-232-149-71 CASE(410726) (US,CND,AEP,UK,SP,AUS)
2
4-232-580-71 CASE(SILVER) (AEP)
3
3-703-244-00 BUSHING (2104), CORD
4
3-363-099-01 SCREW(CASE 3 TP2) (US,CND,AEP,UK,SP,AUS)
4
4-210-291-11 SCREW(CASE 3 TP2) (SILVER) (AEP)
5
1-535-688-11 TERMINAL
6
1-692-155-11 SELECTOR, POWER VOLTAGE (SP)
1
4-232-514-01 PANEL, BACK (US)
1
4-232-514-11 PANEL, BACK (CND)
1
4-232-514-21 PANEL, BACK (AEP)
1
4-232-514-31 PANEL, BACK (UK)
1
4-232-514-41 PANEL, BACK (SP)
1
4-232-514-51 PANEL, BACK (AUS)
4
2
4
3
5
1
not supplied
#1
#1
#1
#1
#1
#1
#2
6
28
TC-WE475
7-2. CHASSIS SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
vB and vE are including into the mounted PANEL board (Ref No. 160).
vE
vE
TRANS (A) board (EXCEPT SP)
vB
TRANS (B) board
#1
#1
#1
#2
#2
#2
T901
not supplied
not supplied
51
52
57
54
54
57
55
58
55
56
v
E
v
B
AUS
53
53
US, CND
AEP, SP
53
UK
53
51
1-696-656-11 WIRE(FLAT TYPE) (13 CORE)
52
1-769-976-11 WIRE(FLAT TYPE) (13 CORE)
0 53
1-575-651-21 CORD, POWER (SP)
0 53
1-751-535-11 CORD, POWER (UK)
0 53
1-777-107-11 CORD, POWER (AEP)
0 53
1-777-218-11 CORD, POWER (AUS)
0 53
1-783-531-51 CORD, POWER (US,CND)
* 54
4-978-398-21 CUSHION
* 55
3-346-265-31 HOLDER, PC BOARD
56
A-2007-860-A MAIN BOARD, COMPLETE (US,CND,SP,AUS)
56
A-2007-862-A MAIN BOARD, COMPLETE (AEP,UK)
57
4-232-237-01 FOOT(DIA. 30)
58
3-970-608-01 SUMITITE (B3), +BV
0 T901
1-431-786-12 TRANSFORMER, POWER (AEP,UK,AUS)
0 T901
1-431-788-12 TRANSFORMER, POWER (US,CND)
0 T901
1-431-789-12 TRANSFORMER, POWER (SP)
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S
#2
7-685-871-01 SCREW +BVTT 3X6 (S)
Ver 1.3 2002.09
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
Les composants identifiés par une
marque 0 sont critiques pour la
sécurité.
Ne les remplacer que par une
piéce portant le numéro spécifié.
marque 0 sont critiques pour la
sécurité.
Ne les remplacer que par une
piéce portant le numéro spécifié.
29
TC-WE475
7-3. CASSETTE HOLDER SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
101
102
103
110
109
108
117
119
104
114
105
114
114
112
111
114
108
116
113
112
107
106
115
115
105
104
114
#4
#4
#3
#3
#3
#3
114
TCM-230ASR41A
TCM-230ASR41B
118
101
X-4953-501-1 LID(A) ASSY, CASSETTE
(US,CND,AEP,UK,SP,AUS)
101
X-4953-504-1 LID(A) ASSY, CASSETTE (SILVER) (AEP)
102
X-4953-497-1 LID(B) ASSY, CASSETTE
(US,CND,AEP,UK,SP,AUS)
102
X-4953-505-1 LID(B) ASSY, CASSETTE (SILVER) (AEP)
103
4-232-407-01 BUTTON (EJECT) (US,CND,AEP,UK,SP,AUS)
103
4-232-407-11 BUTTON (EJECT)(SILVER) (AEP)
104
3-022-410-01 DAMPER
105
3-019-450-01 PLATE (L), FULCRUM
106
X-4953-543-1 HOLDER (L) ASSY, CASSETTE
(US,CND,AEP,UK,SP,AUS)
106
X-4953-552-1 HOLDER (L) ASSY, CASSETTE (SILVER) (AEP)
107
3-019-455-01 SPRING (R), LOADING
108
3-019-451-01 PLATE (R), FULCRUM
109
X-4953-542-1 HOLDER (R) ASSY, CASSETTE
(US,CND,AEP,UK,SP,AUS)
109
X-4953-551-1 HOLDER (R) ASSY, CASSETTE (SILVER) (AEP)
110
3-019-454-01 SPRING (L), LOADING
111
3-019-453-01 LEVER (LOCK R)
112
3-019-456-01 SCREW, STEP
113
3-019-452-01 LEVER (LOCK L)
114
4-951-620-01 SCREW (2.6X8), +BVTP
115
4-959-229-11 DETENT, CASSETTE
116
3-032-810-03 SPRING (R), TORSION
117
3-032-809-03 SPRING (L), TORSION
118
4-238-804-01 LEVER (EJECT PREVENTION R)
119
4-238-805-01 LEVER (EJECT PREVENTION L)
#3
7-685-851-09 SCREW +BVTT 2X4 (S)
#4
7-685-852-04 SCREW +BVTT 2X5 (S)
Ver. 1.9
Click on the first or last page to see other TC-WE475 service manuals if exist.