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Chapter 3 - Troubleshooting
CTV-68 20
FIGURE 3-7
KDL22EX308 TEST POINTS
HV
1
STBY3.3V
AUDIO
_12V
AC_OFF_DET
POWER_ON
1
2
3
4
AUDIO_GND
BL
_ERR
REG12V_GND
REG12
V
5
6, 7
8, 9
10
BL_ON
TCON
_12V
DIMMER
N/C
11
12
13
14
TCON_ON
15
CN6150
STBY3.3V
REG12
V_GND
AUDIO_12V
AUDIO
_GND
1
2
3
4, 5
REG12V
TCON_12V
6, 7
8
AC_OFF_DET
BL_ON
POWER_ON
BL_ERR
1
2
3
4
DIMMER
HSYNC
TCON
_ON
5
6
7
CN2561
CN3800
BALGD1
CN6701
CCFL HV TO
BALANCER
2
LV
AC IN (N)
AC IN
(H)
1
2
CN6001
HV
1
CN6702
2
LV
HV
1
CN6703
2
LV
HV
1
CN6704
2
LV