Sony TC-188SD - Page 14

4-7. MOUNTING DIAGRAM
— Conductor Side —
Repiacement Semiconductors
For replacement, use semiconductors except in | ).
Q101-103, 105, 109).
0201-203.
205,
209
}
2SC632A
(2SC631A)
Q104, 106—108, 110—113
Q204, 206-208, 210-213 -: 2SC634A (2SC633A)
0303, 601, 602
c
B
| E
a
C B
QO302: 2801475
2SC1760
2801761
Cc
&
D101,201: 1T22A (1T22)
D102, 104). oes
Boe ae 181555 (1$2076)
D103, 203: 17T22A
D301—304) .
D308 309 f 10E2 (1GE1)
D307,601: 181555 (1T40)
cathode
“
anode
D305: EGBO1-21 (EQA01-21R)
cathode
D306: SLP24B
(LED)
cathode anode
cathe. » anode
weap
Note: @
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iy
parts extracted from the component side.
parts extracted from the conductor side.
#: part mounted on the conductor side.
Color code of sleeving over the end of the jacket.
Readings are taken under no-signal conditions with a VOM
(20 kQ/V). |
4
;
4
ae
4.
AC voltage readings indicated by ~* in the bias oscillator
: Bt pattern.
: signal path.
(GRY)
eo
record/FORWARD
FORWARD
circuit are taken with a VTVM.
102
602
103
102
601
60l
iN
HO ,12
109
209
2l2
210
all
302
204
104
101
113
2131 101
201
nm
2
CNJ301
Kacy) {VOLTAGE SELECTOR BOARD]
$306 VOLTAGE
BLUE SELECTOR
sl
HE
EF135-36
Sa,
S603
T30l
POWER
M
DNF-10018
7 A
AYR
8,9
z
I
SK
7
WHT |
BLK
WHT/GRY
a cml |
7?
Vid
3
RED
al ene RED] | WHT
CLAUDIO AMP BOARD]
MUTING SWITCH
ON: WHEN PRESSING ONE \
OF FUNCTION BUTTONS. /
WHT/RED
LO Nem
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