CONFIDENTIAL – DO NOT COPY
Page 9-
16
File No. SG-0219
11
PDP DISPLAY NOTHING(S-VIDEO 2 without screen)
Check C332,R316,R320
Is there signal?
No
Is picture on screen?
No
BLOCK 1
Check Q33’s emitter.
Is there signal?
No
Check Q33’s Base.
Is there signal?
Check collector
v5V).
No
Q33 fail
Check:
1.C335 (signal AC coupled)
2.R300
3.R302(75ohm impedance)
Is there signal?
Yes
Yes
Use GProbe connect
from main to PC.
Does scaler detect the signal?
U13 fail
No
Check input source
No
Is picture color ok?
Check C336,R319,R318
Is there signal?
No
No
Check Q32’s emitter.
Is there signal?
No
Check Q32’s Base.
Is there signal?
Check collector
v5V).
No
Q32 fail
Check:
1.C333 (signal AC coupled)
2.R301
3.R303(75ohm impedance)
Is there signal?
Yes
Yes
Use GProbe connect
from main to PC.
Does scaler detect the signal?
U13 fail
No
Check input source
No
Summary of Contents for VP50HDTV10A
Page 55: ...CONFIDENTIAL DO NOT COPY Page 8 2 File No SG 0219 3 PDP_ 5Vsb CN3 4 4 FLI8125 U10 3 3V_I O_HUD...
Page 56: ...CONFIDENTIAL DO NOT COPY Page 8 3 File No SG 0219 3 3V_ADC_HUD 1 8V_ADC_HUD...
Page 57: ...CONFIDENTIAL DO NOT COPY Page 8 4 File No SG 0219 5 FLI8532 U13 3 3V_I O 1 8V_ADC...
Page 58: ...CONFIDENTIAL DO NOT COPY Page 8 5 File No SG 0219 2 5V_DDR 1 8V_CORE...
Page 60: ...CONFIDENTIAL DO NOT COPY Page 8 7 File No SG 0219 8 LM2660 5V_N of the U29...
Page 63: ...CONFIDENTIAL DO NOT COPY Page 8 10 File No SG 0219 4 MSP4450G crystal clock pin 55 of the U32...
Page 66: ...CONFIDENTIAL DO NOT COPY Page 8 13 File No SG 0219 V sync...
Page 67: ...CONFIDENTIAL DO NOT COPY Page 8 14 File No SG 0219 2 SiI9011CLU U35 and U42 CLK BHS sync...
Page 68: ...CONFIDENTIAL DO NOT COPY Page 8 15 File No SG 0219 BVS sync...
Page 69: ...CONFIDENTIAL DO NOT COPY Page 8 16 File No SG 0219...
Page 71: ...CONFIDENTIAL DO NOT COPY Page 8 18 File No SG 0219 3 3 3V DV33 C11 4 2 5V DV25 C185...
Page 72: ...CONFIDENTIAL DO NOT COPY Page 8 19 File No SG 0219 5 1 8V DV18 C64 6 1 25V 1V25_DDR C148...
Page 73: ...CONFIDENTIAL DO NOT COPY Page 8 20 File No SG 0219 7 1 2V DV12 C26...
Page 78: ...CONFIDENTIAL DO NOT COPY Page 9 3 File No SG 0219 DISPLAY BOARD IR BOARD...
Page 79: ...CONFIDENTIAL DO NOT COPY Page 9 4 File No SG 0219 ATSC BOARD...
Page 97: ...CONFIDENTIAL DO NOT COPY Page 9 22 File No SG 0219 TROUBLE OF THE DTV...
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