Power Failure Detection Tree - Sanyo PLC-WM4500L Service Manual

Troubleshooting

Power failure detection tree

S16V
IC5532
IC592
IC5542
Q6612
Q6611
S6V
IC2251
IC8071
IC5860
IC5852
IC5842
IC5881
IC5892
Q6692
IC6609
SB_5V
IC5821
D201
S-6V
D5532-D5531
12V
ON_5V
D592
15.5V
ON_15V
D5545
S12V
S3.3V
D6604
15V_LNS
Q6613
IC_RESET
R6677
10VA 9V_LNS
Q6621 Q6622
IC6606
IC_RESET
D2251
D3.3V_AD
D8071
IC8081
S5VSI
S1.8VPW
S1.8VPWA
S2.5V_USB
S3.3VPW IC5851 S2.6VPW
S3.3V_V33PH
S3.3VPWA
D5883
S5V
D5584
S5VL
D6621
IC5891
6V 5V
Q6691
IC_RESET
D6623
IC8091
S3.3V
ON_3.3V
IC1451
SW_2.5VGAM
IC1441
SW_1.8VGAM
Q5751
3.3V_MCU
Q5752
Q2041
D2041
S-5V
SUPPLIED CIRCUIT
AUDIO I/O
PANEL, S/H
FILTER
LENS SHIFT
D6676
ZOOM, FOCUS
3.3V_ADA
3.3V_ADD
A/D
3.3V_ADX
3.3V_ADR
D8072
VIDEO SELECT
S3.3VSI
ON_3.3V
PW, 1.8V
USB, I/O EXPANDER
S1.3VREF
PW, 2.6V, MEMORY
MAIN, S5V
RGB, VIDEO
R5882
D1454
IC1461
3.3VSH
3.3VDDA3
3.3VDE3
SW_3.3VGAM
D8091,D8092
S1.2VSI
DVI
D1451
2.5V_DI
GAMMA, 2.5V
D1458,D1459
1.8VDDI
GAMMA, 1.8V
1.8VDDA1
D8902
3.3V_LAN
LAN
POWER_SW_LAN
AV, RGB SW
-80-
DETECTION
LINE NAME
ERROR INFO.
PF_12V_ID
PF_12V_ID
PF_IC_3.3V PF_IC_S3.3V
PF_LNS
PF_LNS
PF_MAIN PF_MAIN
MAIN,
PF_5V_MAIN
PANEL DRIVE, S/H
LAN,
P_FAIL_LAN
AV,
PF_S-6V_AV
5V
3.3V
S-6V