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Troubleshooting
Power failure detection tree
S16V
S6V
SB_5V
D5532
IC5532
12V
ON_12V
D592
IC3531/
IC3511/
IC3551
15V_SHR/G/B
SH 15V_ON
D5545
IC5542
S12V
S3.3V
D6604
Q6612
15V_LNS
Q6613
IC_RESET
R6677
Q6611
10VA
9V_LNS
Q6621 Q6622
IC6606
IC_RESET
ON_5V
D276
IC291
IC271
3.3V_AD
IC281
IC5860
S1.8VPW
S1.8VPWA
IC5852
S2.5V_USB
IC5842
IC5851
S3.3VPW
S3.3V_V33PH
S3.3VPWA
D2385
IC2391
3.3V_KS
S3.3VAA_KS
SW_3.3V_KS
S3.3VAB_KS
R2380
IC2371
1.8V_KS
S1.8VSK_KS
SW_1.8V_KS
S1.8VAA_KS
D2381
IC1391
2.5V_KS
S2.5VAA_KS
S2.5VAB_KS
SW_2.5V_KS
S2.5VAC_KS
D5611
IC5611
S5V
Q8901
Q8092
ON_1.8V
D5884
IC5892
S5VL
Q1401
Q1402
IC3561
3.3VSH
3.3V_DI
Q6692
IC5891
6V
D5621
Q6691
IC_RESET
IC5621
3.3VSI
IC8081
D6623
ON_1.8V
IC6609
S3.3V
S3.3V0_FRT
S3.3V1_FRT
S3.3V2_FRT
S3.3V3_FRT
S3.3V_FRT_AUX
IC5291
IC3566
SW_2.5VGAM
IC3571
SW_1.8VGAM
IC3581
SW_1VGAM
IC5821
Q5751
3.3V_MCU
Q5752
SUPPLIED CIRCUIT
AUDIO I/O
PANEL, S/H
FILTER
LENS SHIFT
D6676
ZOOM, FOCUS
1.8VA_AD
A/D
1.8VD_AD
PW, 1.8V
USB, I/O EXPANDER
S2.6VPW
S1.3VREF
PW, 2.6V, MEMORY
KEYSTONE, 3.3V
KEYSTONE, 1.8V
KEYSTONE, 2.5V
S5VSI
MAIN, S5V
RGB, VIDEO
PANEL DRIVE, S/H
R5882
5V
R8083
1.2VSI
IC8001
HDMI
FPGA, 3.3V
R5291
FPGA, 1.2V
S1.2V_FRT_INT
Q1403
Q1404
2.5V_DI
GAMMA, 2.5V
R842
1.8V_DDR
GAMMA, 1.8V
1.0V_DI_C
1.0V_DDR
1.0V_DI_TX
1.0V_DI
D5751
3.3V_LAN
LAN
POWER_SW_LAN
-82-
DETECTION
LINE NAME
ERROR INFO.
FILTER,
12V
PF_12V_FILTER
PF_15.5V_GAM
GAMMA,
15.5V
LENS,
15V
PF_15V_LNS
PF_9V_LNS
LENS,
9V
AD,
3.3V
PF_3.3V_AD
PF_1.8VA_AD
ADC,
1.8VA
ADC,
1.8VD
PF_1.8VD_AD
KS,
3.3V
PF_3.3V_KS
KS,
1.8V
PF_1.8V_KS
PF_2.5V_KS
KS,
2.5V
ADC,
S5V
PF_S5V
MAIN,
S5V
PF_S5V_MAIN
GAMMA,
3.3V
PF_3.3V_GAM
MAIN,
5V
PF_5V_MAIN
HDMI&BUFFER,3.3V
PF_3.3VS1
HDMI,
1.2V
PF_1.2VS1
MAIN,
S3.3V
PF_S3.3V
SWFPGA, 1.2V
PF_S1.2V_FRT
GAMMA,
2.5V
PF_2.5V_GAM
GAMMA,
1.8V
PF_1.8V_GAM
GAMMA,
1.0V
PF_1.0V_GAM
LAN,
3.3V
P_FAIL_LAN
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