Sony KD-43X7 H Series Service Manual page 48

2020/12/12 02:35:59 (GMT+09:00)
2.2.1 : 3x Blinking – Audio D Amp IC Normal Operation Condition
B-board
CN3101
Checking Audio Error pin condition
No short to GND  OK
Short to GND  NG
SAFETY NOTES SELF DIAGNOSTIC FUNCTION
T R O U B L E S H O O T I N G
Checking fuse condition
Short  OK
Open  Broken
IC3101
TROUBLESHOOTING
S E C T I O N 3
Change each Audio IC pins with refer next page table
19.5V/12.7V
7, 10, 26
F3102
16
F3101
17
18
19
20
21
Audio Error pin
SERVICE ADJUSTMENT
F3102
F3101
15 14 13
IC3101
22 23 24
DIAGRAMS PANEL HANDLING
12 11
9
8
6
5
4
3
2
1
28
25
27
48
FACTORY DATA RESET
SYS SET