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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
Содержание PG19lS
Страница 2: ...Samsung Electronics Co Ltd August 1999 Printed in Korea Code No BH68 00227A...
Страница 16: ...Memo 4 Alignment and Adjustments 4 8 PG17 PG19 PG21...
Страница 35: ...PG17 PG19 PG21 6 1 6 Exploded View and Parts List 6 1 PG17...
Страница 36: ...6 Exploded View Parts List 6 2 PG17 PG19 PG21 6 2 PG19...
Страница 37: ...6 Exploded View Parts List PG17 PG19 PG21 6 3 6 3 PG21...
Страница 38: ...6 Exploded View and Parts List 6 1 Front Cover CRT Ass y PG17 PG17 PG19 PG21 6 5...
Страница 39: ...6 2 Chassis Stand Ass y PG17 6 Exploded View Parts List 6 6 PG17 PG19 PG21...
Страница 40: ...6 3 Rear Cover Ass y PG17 6 Exploded View Parts List PG17 PG19 PG21 6 7...
Страница 41: ...6 Exploded View Parts List 6 8 PG17 PG19 PG21 6 4 Front Cover CRT Ass y PG19...
Страница 42: ...6 5 Chassis Stand Ass y PG19 6 Exploded View Parts List PG17 PG19 PG21 6 9...
Страница 43: ...6 6 Rear Cover Ass y PG19 6 Exploded View Parts List 6 10 PG17 PG19 PG21...
Страница 44: ...6 Exploded View Parts List PG17 PG19 PG21 6 11 6 7 Front Cover CRT Ass y PG21...
Страница 45: ...6 Exploded View Parts List 6 12 PG17 PG19 PG21 6 8 Chassis Stand Ass y PG21...
Страница 46: ...6 Exploded View Parts List PG17 PG19 PG21 6 13 6 9 Rear Cover Ass y PG21...
Страница 83: ...10 1 PG17 PG19 PG21 SW6 CN604 C603 R662 Q663 1 34 10 Schematic Diagrams 10 1 Power Part Schematic Diagram...
Страница 85: ...10 Schematic Diagrams 10 3 PG17 PG19 PG21 10 2 Micom Part Schematic Diagram 15 16...
Страница 93: ...10 Schematic Diagrams 10 11 PG17 PG19 PG21 10 6 Video Parts Schematic Diagram 17 21 20 19 18...