40
9.1.2.
Initialization Pulse Adjust
1. Input the White signal to plasma video input.
2. Set the picture controls as follows.
Picture menu : Dynamic
PNR : Min
Aspect : 16:9
3. Connect Oscilloscope to TPSC1 (SC).
Check the voltage (T2) at 100
μ
s period on the down slop.
9.1.3.
P.C.B. (Printed Circuit Board) exchange
9.1.3.1.
Caution
1. To remove P.C.B., wait 1 minute after power was off for discharge from electrolysis capacitors.
9.1.3.2.
Quick adjustment after P.C.B. exchange
Adjust the following voltages with the multimeter.
*See the Panel label.
Caution:
Absolutely do not reduce Vsus below Ve not to damage the P.C.B.
Test point
Volume
Level
T2
TPSC1 (SC)
VR16601 (SC)
250 V ± 10 V
P.C.B.
Name
Test Point
Voltage
Volume
Remarks
P Board
Vsus
TPVSUS (SS)
Vsus ± 2V
VR201 (P)
*
SC Board
Vad
TPVAD (SC)
- 175V ± 2V
VR16600 (SC)
DA Board
White balance and Sub brightness for NTSC, PAL, HD, PC and 625i signals
Summary of Contents for SP-54Z1A
Page 24: ...24 6 4 No Picture ...
Page 41: ...41 9 1 4 Adjustment Volume Location 9 1 5 Test Point Location ...
Page 42: ...42 ...
Page 54: ...54 11 3 Wiring Display unit 1 11 4 Wiring Display unit 2 ...
Page 55: ...55 11 5 Wiring Display unit 3 11 6 Wiring Display unit 4 ...
Page 56: ...56 11 7 Wiring Display unit 5 11 8 Wiring Display unit 6 ...
Page 57: ...57 12 Schematic Diagram 12 1 Schematic Diagram Note ...
Page 146: ...146 ...
Page 148: ...148 14 1 2 Exploded View 2 Display unit ...
Page 149: ...149 14 1 3 Exploded View 3 Display unit ...
Page 150: ...150 14 1 4 Packing 1 ...
Page 151: ...151 14 1 5 Packing 2 ...
Page 152: ...152 14 1 6 Packing 3 ...
Page 153: ...153 14 1 7 Packing 4 Pedestal stand ...
Page 154: ...154 14 1 8 Packing 5 ...
Page 155: ...155 14 1 9 Packing 6 ...
Page 156: ...156 14 1 10 Packing 7 ...
Page 162: ...162 14 2 Electrical Replacement Parts List 14 2 1 Replacement Parts List Notes ...