Sony TC-WE635 Service Manual ▷ View online
TC-WE635
– 35 –
– 36 –
6-12. PRINTED WIRING BOARD – PANEL SECTION –
• See page 15 for Circuit Boards Location.
(Page 18)
(Page 17)
(Page 18)
09
(Page 18)
TC-WE635
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– 38 –
6-13. SCHEMATIC DIAGRAM – POWER SECTION –
(Page 24)
TC-WE635
– 39 –
– 40 –
6-14. PRINTED WIRING BOARD – POWER SECTION –
• See page 15 for Circuit Boards Location.
(Page 18)
TC-WE635
– 41 –
– 42 –
Pin No.
Pin Name
I/O
Function
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
BIAS CAL 0 (B)
O
BIAS CAL control 0 (DECK B)
55
BIAS CAL 1 (B)
O
BIAS CAL control 1 (DECK B)
56
BIAS CAL 2 (B)
O
BIAS CAL control 2 (DECK B)
57
BIAS CAL 3 (B)
O
BIAS CAL control 3 (DECK B)
58
CAP, M2 (A)
O
59
CAP, M1 (A)
O
60
CAP, M3 (A)
O
61
CAP, M4 (A)
O
62
BIAS CAL 0 (A)
O
BIAS CAL control 0 (DECK A)
63
BIAS CAL 1 (A)
O
BIAS CAL control 1 (DECK A)
64
BIAS CAL 2 (A)
O
BIAS CAL control 2 (DECK A)
65
BIAS CAL 3 (A)
O
BIAS CAL control 3 (DECK A)
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
OSC ON/OFF
O
CAL detection ON/OFF select output
70
OSC H/L
O
CAL oscillator ON/OFF select output
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
BIAS (A)
O
Bias ON/OFF output (DECK A)
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 (A)
I
70
µ
output (DECK A)
Capstan motor driver (DECK B)
Capstan motor driver (DECK A)
6-15. IC PIN FUNCTION
• IC801 SYSTEM CONTROL (CXP82432A-007Q) (MAIN board)
Pin No.
Pin Name
I/O
Function
1
PLAYSW (B)
I
Play switch input (DECK B)
2
70U (B)
O
70
µ
output (DECK B)
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
REC MUTE A
O
Recording mute output
“L” : Mute ON
15
REC /PB
O
Record /playback dolby NR mode selector output
“L” : Playback
16
REC CAL 0 (B)
O
Recoding CAL control 0 (DECK B)
17
REC CAL 1 (B)
O
Recoding CAL control 1 (DECK B)
18
GP CAL 0 (B)
O
GP CAL control 0 (DECK B)
19
GP CAL 1 (B)
O
GP CAL control 1 (DECK B)
20
REC CAL 0 (A)
O
Recoding CAL control 0 (DECK A)
21
REC CAL 1 (A)
O
Recoding CAL control 1 (DECK A)
22
GP CAL 0 (A)
O
GP CAL control 0 (DECK A)
23
GP CAL 1 (A)
O
GP CAL control 1 (DECK A)
23
NC
–
Not used
24
REC MUTE B
O
Recording mute output (DECK B)
25
CAL/OFF/S
O
CAL select switch
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
RELAY (A)
I
Relay swich input (DECK A)
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
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