參數(shù)資料
型號: PG17IS
英文描述: Monitor_ICs:88P6232 7045 SAM9222G PG17/19 TNY254P 52748 KS2501B-10 KA2507
中文描述: Monitor_ICs:88P6232 7045 SAM9222G PG17/19 TNY254P 52748 KS2501B - 10 KA2507
文件頁數(shù): 17/100頁
文件大?。?/td> 3595K
代理商: PG17IS
PG17**/PG19**/PG21**
5-1
5 Troubleshooting
5-1 Parts Level Troubleshooting
Notes:
1. If a picture does not appear, fully rotate the brightness and contrast controls clockwise and reinspect.
2. Check the following circuits.
No raster appears: Power circuit, Horizontal output circuit, H/V control circuit, and H/V output circuit.
High voltage develops but no raster appears: Video output circuits.
High voltage does not develop: Horizontal output circuits.
5-1-1 No Power Supply
Check and replace FG601, D601,
IC661, IC662.
Done.
Repeating start
Check and replace D601, D604, D663,
Q632, and Q664.
No
Yes
IC601 Pin 1 waveform is right
Check and replace IC601,
IC602, IC604.
Yes
No
IC602 and IC604
are right
Replace parts and verify voltages.
Yes
No
Normal operation
Replace Main board.
Yes
Yes
No
WAVEFORMS
1
1
544 V (IC601, #1)
CH1 P-P = 544 V
CH1 RMS = 332.4 V
Verify voltages.
相關(guān)PDF資料
PDF描述
PG19HS Monitor_ICs:88P6232 7045 SAM9222G PG17/19 TNY254P 52748 KS2501B-10 KA2507
PG19IS Monitor_ICs:88P6232 7045 SAM9222G PG17/19 TNY254P 52748 KS2501B-10 KA2507
PG19LO Monitor_ICs:88P6232 7045 SAM9222G PG17/19 TNY254P 52748 KS2501B-10 KA2507
PG19LS Monitor_ICs:88P6232 7045 SAM9222G PG17/19 TNY254P 52748 KS2501B-10 KA2507
PG19R* Monitor_ICs:88P6232 7045 SAM9222G PG17/19 TNY254P 52748 KS2501B-10 KA2507
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