CONFIDENTIAL – DO NOT COPY
Page 9-
17
File No. SG-0219
12
PDP DISPLAY NOTHING(S-VIDEO 2 on PIP mode without screen)
Check C331,R313,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?
U10 fail
No
Check input source
No
Is picture color ok?
Check C334,R317,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?
U10 fail
No
Check input source
No
Содержание VP50HDTV10A
Страница 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...
Страница 56: ...CONFIDENTIAL DO NOT COPY Page 8 3 File No SG 0219 3 3V_ADC_HUD 1 8V_ADC_HUD...
Страница 57: ...CONFIDENTIAL DO NOT COPY Page 8 4 File No SG 0219 5 FLI8532 U13 3 3V_I O 1 8V_ADC...
Страница 58: ...CONFIDENTIAL DO NOT COPY Page 8 5 File No SG 0219 2 5V_DDR 1 8V_CORE...
Страница 59: ...CONFIDENTIAL DO NOT COPY Page 8 6 File No SG 0219 6 NT5DS16M16CS 5T U16 U17 7 Am29LV320DT90 ED XU1...
Страница 60: ...CONFIDENTIAL DO NOT COPY Page 8 7 File No SG 0219 8 LM2660 5V_N of the U29...
Страница 63: ...CONFIDENTIAL DO NOT COPY Page 8 10 File No SG 0219 4 MSP4450G crystal clock pin 55 of the U32...
Страница 66: ...CONFIDENTIAL DO NOT COPY Page 8 13 File No SG 0219 V sync...
Страница 67: ...CONFIDENTIAL DO NOT COPY Page 8 14 File No SG 0219 2 SiI9011CLU U35 and U42 CLK BHS sync...
Страница 68: ...CONFIDENTIAL DO NOT COPY Page 8 15 File No SG 0219 BVS sync...
Страница 69: ...CONFIDENTIAL DO NOT COPY Page 8 16 File No SG 0219...
Страница 70: ...CONFIDENTIAL DO NOT COPY Page 8 17 File No SG 0219 ATSC Board 1 Voltage Measurement 1 12V 12V C4 2 5V 5V C239...
Страница 71: ...CONFIDENTIAL DO NOT COPY Page 8 18 File No SG 0219 3 3 3V DV33 C11 4 2 5V DV25 C185...
Страница 72: ...CONFIDENTIAL DO NOT COPY Page 8 19 File No SG 0219 5 1 8V DV18 C64 6 1 25V 1V25_DDR C148...
Страница 73: ...CONFIDENTIAL DO NOT COPY Page 8 20 File No SG 0219 7 1 2V DV12 C26...
Страница 78: ...CONFIDENTIAL DO NOT COPY Page 9 3 File No SG 0219 DISPLAY BOARD IR BOARD...
Страница 79: ...CONFIDENTIAL DO NOT COPY Page 9 4 File No SG 0219 ATSC BOARD...
Страница 97: ...CONFIDENTIAL DO NOT COPY Page 9 22 File No SG 0219 TROUBLE OF THE DTV...
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