IBM 655743N Service Manual - Page 26

Transistor, Diode

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Page 26 highlights

- A BOARD (Conductor Side) - A VIDEO AMP RGB OUT • A BOARD SEMICONDUCTOR LOCATION - A BOARD (Component Side) - 1 A B 2 3@ IC ( ) ( ) Conductor Component Side Side 1 IC401 D-1 IC402 D-2 IC403 C-1 C-2 IC404 C-1 IC405 A-2 IC406 A-2 A-1 IC407 B-1 B-2 IC408 D-3 A TRANSISTOR ( ) ( )* Conductor Component Side Side Q101 A-1 A-2 - Q102 A-1 Q103 C-1 A-2 - 1 Q201 A-1 A-2 - Q202 A-1 A-2 - Q203 C-1 1 Q301 A-1 A-3 - Q302 A-1 A-3 - Q303 C-1 1 Q401 C-2 1 Q402 C-2 1 Q404 D-2 1 Q405 D-2 2 Q406 D-2 2 B Q409 A-2 1 Q410 A-3 - 2 3 DIODE ( ) ( )* Conductor Component Side Side D101 D-1 6 D103 B-1 3 D104 B-2 3 D105 B-1 3 D106 C-2 3 D107 B-1 3 D111 D-2 7 D201 D-1 6 D203 B-1 3 C D204 D205 B-1 B-2 3 3 C D206 C-2 3 D207 B-1 3 D211 D-2 7 D301 D-1 6 D303 B-1 3 D304 B-1 3 D305 B-1 3 D306 C-2 3 D307 B-1 3 D311 D-2 7 D401 D-3 D-1 - D406 C-2 C-2 - D407 A-1 3 D413 A-2 A-1 - D414 A-2 A-1 - D415 A-1 A-2 - D D416 C-1 3 D *: Refer to Terminal name of semiconductors in silk screen printed circuit (see page 5-4) 5-11 NOTE: The circuit indicated as left contains high voltage of over 600 Vp-p. Care must be paid to prevent an electric shock in inspection or repairing. 5-12

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5-11
5-12
— A BOARD (Conductor Side) —
— A BOARD (Component Side) —
A
VIDEO AMP
RGB OUT
•
A BOARD
SEMICONDUCTOR
LOCATION
*
: Refer to Terminal name of
semiconductors in silk screen
printed circuit (see page 5-4)
NOTE:
The circuit indicated as left contains high voltage of over
600 Vp-p. Care must be paid to prevent an electric shock in
inspection or repairing.
Component
(
)
Side
Conductor
(
)
Side
Component
(
)
Side
Conductor
(
)
Side
Component
(
)
Side
Conductor
(
)
Side
IC
IC401
D–1
IC402
D–2
IC403
C–1
C–2
IC404
C–1
IC405
A–2
IC406
A–2
A–1
IC407
B–1
B–2
IC408
D–3
TRANSISTOR
*
Q101
A–1
A–2
–
Q102
A–1
A–2
–
Q103
C–1
1
Q201
A–1
A–2
–
Q202
A–1
A–2
–
Q203
C–1
1
Q301
A–1
A–3
–
Q302
A–1
A–3
–
Q303
C–1
1
Q401
C–2
1
Q402
C–2
1
Q404
D–2
1
Q405
D–2
2
Q406
D–2
2
Q409
A–2
1
Q410
A–3
–
DIODE
*
D101
D–1
6
D103
B–1
3
D104
B–2
3
D105
B–1
3
D106
C–2
3
D107
B–1
3
D111
D–2
7
D201
D–1
6
D203
B–1
3
D204
B–2
3
D205
B–1
3
D206
C–2
3
D207
B–1
3
D211
D–2
7
D301
D–1
6
D303
B–1
3
D304
B–1
3
D305
B–1
3
D306
C–2
3
D307
B–1
3
D311
D–2
7
D401
D–3
D–1
–
D406
C–2
C–2
–
D407
A–1
3
D413
A–2
A–1
–
D414
A–2
A–1
–
D415
A–1
A–2
–
D416
C–1
3
1
2
3
@
A
B
C
D
1
2
3
A
B
C
D