
Troubleshooting
Samsung Electronics
5-5
5-6 Horizotal Line
Check/Replace Speaker
IC301(LA7845)
1# 13.5V, 6# 18V
Output?
No
Check IC301
#2 Vertical wave
output?
No
Yes
Check/Replace
R425,R424,
D401,D402
IC301 #2 vertial
wave input check
D301,DZ302
DZ303,DZ304,DZ305
DZ306 check?
No
Yes
Yes
Replace IC301(LA7845)
Replace
5-7 No Picture (Sound OK)
1
Check the Brightness, Contrast and Color adjustments
2. Check: AV Picture
3. See Signal Block Diagram
5-8 No Sound (Picture OK)
1. Check the Volume adjustment level.
2. Check AV Video
3. See Signal Block Diagram
Summary of Contents for TC29J6MNX/XAX
Page 54: ...8 4 Samsung Electronics MEMO ...
Page 57: ...Schematic Diagrams 9 3 Samsung Electronics TP04 TP05 TP06 TP07 TP08 TP09 TP10 TP11 TP12 ...
Page 58: ...Schematic Diagrams 9 4 9 3 TP13 TP14 9 3 MAIN 3 TP13 TP14 ...
Page 60: ...Schematic Diagrams 9 6 Samsung Electronics TP15 TP16 TP17 TP18 TP19 TP20 TP21 TP22 TP23 TP24 ...
Page 61: ...Schematic Diagrams 9 7 Samsung Electronics 9 5 POWER BLOCK ...
Page 63: ...Schematic Diagrams 9 9 Samsung Electronics 9 7 INTERFACE BLOCK ...
Page 64: ...Schematic Diagrams 9 10 Samsung Electronics 9 8 CRT BLOCK ...
Page 65: ...Schematic Diagrams 9 11 Samsung Electronics 9 9 COMB ...
Page 66: ...Schematic Diagrams 9 12 Samsung Electronics 9 10 AV Decoder ...