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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)： | 20/100頁(yè) |
| 文件大?。?/td> | 3595K |
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5 Troubleshooting
5-4
PG17**/PG19**/PG21**
5-1-4 S Correction Failure
S1~S5 signals are right at each
frequency block
Check S1 ~ S5 signal.
Check and replace
C430, C431, C433, C434, C435,
C437 C441, C453, C454, C455, C456, C457,
Q409~Q413, Q451~Q455, Q456~Q460 .
Yes
5-1-5 H_Lin. Failure
IC201 Pin 21 voltage varies with
different H_Lin. DAC values
IC403 Pin 7, 8 voltage varies with
different H_Lin. DAC values
Check +12 V line.
Check some parts around IC403.
Check L403.
Yes
Yes
No
Check and replace IC201.
No
Replace IC201.
No
5-1-6 Invariable H_Size
IC261 Pin 28 voltage varies with
different H_Size DAC values
IC401 Pin 6 output duty varies with
different H_Size DAC values
Check some parts around IC261 Pin
28, IC401.
Yes
No
Check and replace IC261.
No
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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