Troubleshooting
6-4
Samsung Electronics
6-4 No Sound
Yes
Yes
No
Check IC601,# 5 (MUTE)
Check/Replace
Q602, Q603
Micom Module
IC601
Check/Replace
IC101
Micom Module
Audio Module
No
Check Audio Module
MAIN-L, SUR, CENTER,
S-RESET, QSS-IN
Check IC604
#9, #14, #15
Check/Replace
IC604
MICOM Module
No
Replace
IC601
Yes
6-5 No Standby (+5V)
Yes
No
No
No
Yes
Yes
Check
the voltage of IC808
pin 5 (over 6V)
Check/Replace
IC808 Regulator
IC (SI-3050C)
Check the AC
power supply of D826
Check the associated
circuitry parts of T802, IC801
Check F801
Replace F801
(AC250V/6.3A)
Check L801,L802, C801,
C802, V801, R801
Summary of Contents for SP403JHPX
Page 11: ...3 2 Samsung Electronics MEMO ...
Page 60: ...Schematic Diagrams 12 3 Samsung Electronics 12 3 MAIN POWER Power Line Signal Line ...
Page 61: ...Schematic Diagrams 12 4 Samsung Electronics 12 4 PROSCAN 1 Power Line Signal Line ...
Page 62: ...Schematic Diagrams 12 5 Samsung Electronics 12 5 PROSCAN 2 Power Line Signal Line ...
Page 63: ...Schematic Diagrams 12 6 Samsung Electronics 12 6 PROSCAN 3 Power Line Signal Line ...
Page 64: ...Schematic Diagrams 12 7 Samsung Electronics 12 7 PROSCAN 4 ...
Page 65: ...Schematic Diagrams 12 8 Samsung Electronics 12 8 MAIN u COM Power Line Signal Line ...
Page 67: ...Schematic Diagrams 12 10 Samsung Electronics 12 10 MAIN A V TERMINAL Power Line Signal Line ...
Page 71: ...Schematic Diagrams 12 14 Samsung Electronics 12 14 MAIN PIP Power Line Signal Line ...
Page 72: ...Schematic Diagrams 12 15 Samsung Electronics 12 15 MAIN SUB MASTER REMOCON PRE AMP ...
Page 73: ...ELECTRONICS Samsung Electronics Co Ltd MAY 1999 Printed in Korea 3M51A 0302 ...
Page 74: ...www s manuals com ...