Sony KD-43X7 H Series Service Manual page 49

2020/12/12 02:35:59 (GMT+09:00)
Label Name
1 SDI
2 SDO
3 RESETB
4 LRCK
5 SCLK
6 MCLK
7 DVSS
8 VR_DIG
9 DVDD
10 AVSS
11 AVCC
12 GVDD
13 VR_ANA
14 BSTPR
SAFETY NOTES SELF DIAGNOSTIC FUNCTION
T R O U B L E S H O O T I N G
AC Adapter PSU board
Voltage Voltage
3.3Vpp 3.3Vpp
0V 0V
3.3V 3.3V
3.3Vpp 3.3Vpp
3.3Vpp 3.3Vpp
0V 0V
0V 0V
1.8V 1.8V
3.3V 3.3V
0V 0V
19.5V 12.7V
5V 5V
5V 5V
14.7Vrms 11.4Vrms
TROUBLESHOOTING
S E C T I O N 3
Common
Label Name
Frequency
Clock signal 15 VOUTPR
- 16 PVDDR
- 17 VOUTNR
48kHz 18 BSTNR
3.07MHz 19 BSTNL
- 20 VOUTNL
- 21 PVDDL
- 22 VOUTPL
- 23 BSTPL
- 24 PWDNN
- 25 FAULTB
- 26 A_SEL
- 27
- 28
SERVICE ADJUSTMENT
AC Adapter PSU board
Voltage Voltage
9.7Vrms 6.4Vrms
19.5V
9.7Vrms 6.4Vrms
14.7Vrms 11.4Vrms
14.7Vrms 11.4Vrms
9.7Vrms 6.4Vrms
19.5V
9.7Vrms 6.4Vrms
14.7Vrms 11.4Vrms
3.3V
3.3V
0V
SDA 3.3Vpp
SCL 3.3Vpp
DIAGRAMS PANEL HANDLING
Common
Frequency
~800kHz
12.7V
~800kHz
-
-
~800kHz
12.7V -
~800kHz
-
3.3V -
3.3V -
0V -
3.3Vpp Clock signal
3.3Vpp Clock signal
49
FACTORY DATA RESET
SYS SET