參數(shù)資料
型號: PG19R*
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): 24/100頁
文件大?。?/td> 3595K
5 Troubleshooting
5-8
PG17**/PG19**/PG21**
IC101 (17”: IC104, Pin12) Pin 15
input exists and
varies with different patterns
Check and replace IC101 (17”:IC104).
Input full white pattern to monitor.
No
Yes
T501 Pin 8 output exists
Check and replace T501.
Yes
No
IC103 (17”: IC04) Pin 16 output
exists and varies with different
patterns
Check and replace IC103 (17”: IC04).
Yes
No
Check and replace Q101,
Q102 and +12 V line.
Check CN102.
5-1-14 ABL Failure
5-1-15 Dynamic Focus Failure
IC261 Pins 18 and 15 output
are right
Check and replace IC261.
Yes
No
Some parts around Q551,
Q552, Q553 and Q554 are right
Replace failed part.
Yes
No
Some parts around T502 are right
Replace failed part.
Check the connection between FBT
Pin 13, CRT Socket PCB.
Yes
No
13
14
13
2.20 V (IC251, #15)
CH1 P-P = 2.20 V
CH1 RMS = 2.776 V
14
580 V (T551, #1)
CH1 P-P = 580 V
CH1 RMS = 278.2 V
WAVEFORMS
相關(guān)PDF資料
PDF描述
PG19S* Monitor_ICs:88P6232 7045 SAM9222G PG17/19 TNY254P 52748 KS2501B-10 KA2507
PG21* Dual 100mA/500mA Low Dropout, Low Noise, Micropower Regulator; Package: DFN; No of Pins: 12; Temperature Range: -40°C to +125°C
PG2360 800MHz to 2.7GHz RF Measuring Receiver; Package: MSOP; No of Pins: 8; Temperature Range: -40°C to +125°C
PG2361 TRANSISTOR | BJT | PNP | 50V V(BR)CEO | 10A I(C) | TO-210AC
PG2362 40MHz to 500MHz Quadrature Demodulator with VGA; Package: QFN; No of Pins: 16; Temperature Range: -40°C to +125°C
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