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參數(shù)資料
| 型號(hào)： | PG17H* |
| 英文描述： | High Voltage 1.5A, 500kHz Step-Down Switching Regulator with 100µA Quiescent Current; Package: TSSOP; No of Pins: 16; Temperature Range: -40°C to +85°C |
| 中文描述： | Monitor_ICs：88P6232 7045 SAM9222G PG17/19 TNY254P 52748 KS2501B - 10 KA2507 |
| 文件頁(yè)數(shù)： | 24/100頁(yè) |
| 文件大?。?/td> | 3595K |
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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 |
|---|---|
| PG17IS | Monitor_ICs:88P6232 7045 SAM9222G PG17/19 TNY254P 52748 KS2501B-10 KA2507 |
| 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 |
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|---|---|
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| PG188/PG185=-H7 | 制造商:Shure 功能描述:Includes PG88 Dual Channel Diversity Receiver, Two PG1 Bodypack Transmitter, and |
| PG188/PG185=-K7 | 制造商:Shure 功能描述:Includes PG88 Dual Channel Diversity Receiver, Two PG1 Bodypack Transmitter, and |
| PG188/PG185=-M7 | 制造商:Shure 功能描述:Includes PG88 Dual Channel Diversity Receiver, Two PG1 Bodypack Transmitter, and |
| PG1910 | 制造商:OHIO BUCKEYE 功能描述: |
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