Sony TRINITRON GDM-500PS Service Manual page 31

Note: A complete board and A3 complete
board have interchangeability though
it is a little different because the
material of the circuit board is
different.
— A or A3 BOARD (Conductor Side) —
1
A
B
C
D
A or A3
VIDEO AMP
RGB OUT
2 3
5-27
• A or A3 BOARD
SEMICONDUCTOR
LOCATION
— A or A3 BOARD (Component Side) —
IC
( ) ( )
Conductor Component
Side Side
IC401 A–1
IC402 B–3 B–1
IC403 B–3 B–1
IC404 A–2
IC406 A–1 A–3
IC408 A–1 A–3
IC409 C–1
IC410 A–2
A
TRANSISTOR
( ) ( )
Conductor Component
*
Side Side
1
Q101 B–3
Q105 D–3 D–1 –
Q106 D–3 D–1 –
1
Q201 B–3
1
Q202 A–3
Q205 C–3 C–1 –
Q206 C–3 C–1 –
1
Q301 B–3
Q305 C–3 C–1 –
Q306 C–3 C–1 –
Q401 A–2 1
2
Q402 A–1
Q403 A–2 2
B
2
Q404 B–2
Q405 B–2 2
1
Q406 D–1
1
Q408 D–3
1
Q409 D–3
Q410 D–1 D–3 –
DIODE
( ) ( )
Conductor Component
Side Side *
7
D101 A–1
7
D102 A–1
3
D103 B–3
3
D104 C–1
3
D105 C–3
D106 B–3 3
3
D107 B–3
C
D201 A–1 7
7
D202 A–1
D203 B–3 3
3
D204 C–1
3
D205 C–3
3
D206 B–3
3
D207 B–3
7
D301 A–2
7
D302 A–1
3
D303 B–3
3
D304 C–1
D305 C–2 3
3
D306 B–2
D
D307 B–3 3
3
D401 B–2
D402 B–3 3
3
D403 B–2
D404 C–3 3
3
D405 D–3
3
D406 D–3
3
D407 D–1
3
D408 D–1
D409 D–1 3
3
D410 B–2
: Refer to Terminal name of
*
semiconductors in silk screen
printed circuit (see page 5-9)
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.
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5-28
3