Troubleshooting
6-12
Samsung Electronics
6-16 No Sound
No
Yes
Yes
Yes
No
No
Yes
No
No
Yes
Yes
Yes
No
No
Internal speaker selected?
Select the internal
speaker
Volume ok?
Adjust the Volume
Check Main-L, Main-R
signal output from AV
Switch Board
Check AV
Switch Board
Check L,G signal
supply to IC601 (Sound AMP)
Chek C616, C617,
R614, R615, C601, C602,
C603, C604, R604, R601
Check +34V (IC601 pin3)
See No +34V of AP2
Check IC601 pin5:LOW(0)
Check Q601, Q602
(IC901 pin54:LOW)
Check the sound
output from IC601 pin 7,11
Check IC601
Check
speaker connections
Yes
No
Check REL601
Check REL601
Содержание PLK405WX/XAC
Страница 2: ...ELECTRONICS Samsung Electronics Co Ltd SEP 2000 Printed in Korea 3L56A 4020 ...
Страница 12: ...3 2 Samsung Electronics MEMO ...
Страница 35: ...Alignment and Adjustments Samsung Electronics 5 15 ...
Страница 49: ...MEMO Samsung Electronics 6 14 ...
Страница 51: ...Exploded View Parts List 7 2 Samsung Electronics No Code No Description Specification Q ty Remark ...
Страница 81: ...MEMO 8 30 Samsung Electronics ...
Страница 89: ...Schematic Diagrams 11 6 Samsung Electronics 11 5 PROSCAN 1 3 ...
Страница 90: ...Schematic Diagrams Samsung Electronics 11 7 11 6 PROSCAN 2 3 ...
Страница 91: ...Schematic Diagrams 11 8 Samsung Electronics 11 7 PROSCAN 3 3 ...
Страница 92: ...Schematic Diagrams Samsung Electronics 11 9 11 8 ASSY LCD CONTROL BAORD 1 Power Line Signal Line ...
Страница 96: ...Schematic Diagrams Samsung Electronics 11 13 11 11 SIDE KEY RMC RMC Power Line Signal Line SIDE KEY ...
Страница 97: ...Schematic Diagrams 11 14 Samsung Electronics 11 12 A V SWITCHING Power Line ...
Страница 98: ...Schematic Diagrams Samsung Electronics 11 15 11 13 3D COMB Power Line Signal Line ...
Страница 99: ...Schematic Diagrams 11 16 Samsung Electronics 11 14 PIP CAPTION ...
Страница 100: ...Schematic Diagrams Samsung Electronics 11 17 11 15 POWER Power Line ...