9.3. P.C.B. (Printed Circuit Board) exchange
9.3.1. Caution
1. To remove P.C.B. , wait 1 minute after power was off for discharge from electrolysis capacitors.
9.3.2. Quick adjustment after P.C.B. exchange
P.C.B.
Name
Test Point
Voltage
Volume
Remarks
SS Board
Vsus
TPVSUS
173V ± 2V
R641 (P)
Ve
TPVE
150V ± 1V
VR6070 (SS)
Vda
TPVDA
75V ± 1V
R665 (P)
SC Board
Vad
TPVAD
-85V ± 1V
VR6477 (SC)
Vscn
TPVSCN
Vad+ 120V ± 4V
---
Vset
TPVSET
220V ± 7V
---
D, J Board
White blance, Pedestal and Sub brightness for NTSC, PAL, HD, PC and 625i signals
*See the Panel label.
9.4. Adjustment Volume Location
9.5. Test Point Location
19
TH-50PHW7BX / TH-50PHW7EX / TH-50PHD7EK / TH-50PHD7ES / TH-50PHD7BK / TH-50PHD7BS / TH-50PHD7UY