IBM 655743N - P 92 - 19" CRT Display, Руководство по обслуживанию

Страница: 26 / 46

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