Printed Circuit Board) Exchange; Adjustment Volume Location; Test Point Location - Toshiba 50XP37C Service Manual

50XP37
8.3. P.C.B. (Printed Circuit Board) exchange
8.3.1. Caution
1. To remove P.C.B. , wait 1 minute after power was off for discharge from electrolysis capacitors.
8.3.2. Quick adjustment after P.C.B. exchange
P.C.B.
P Board
SC Board
SS Board
D Board
*See the Panel label.
8.4.

Adjustment Volume Location

8.5.

Test Point Location

Name Test Point
Vsus TPVSUS (SS)
Vda TPVDA (SS)
Vad TPVAD (SC)
Vbk TPVBK (SC)
Ve TPVE (SS)
White blance
Voltage
Vsus* ± 2V
75V ± 1V
-85V ± 1V
140 ± 1V
Ve* ± 1V
SS3
SS3
– 12 –
Volume Remarks
R641 (P)
R665 (P)
GND = chassis
R6477 (SC)
R6670 (SC)
R6770 (SS)