Power Supply And Power Fail Detection - Eiki LC-HDT1000 Service Manual

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Troubleshooting

Power Supply and Power Fail Detection

MAIN
K66A
S16V
Q7431
ON_25V
PNL15V_ON
SH15V_ON
SH15V_ON
S6V
S6V1
KEY_POW_ON
GAM1.8V_ON
GAM1V_ON
S4.3V1
POWER_ON_SW
S4.3V1
Q6601
Q6602
Q7432
Q7433
25V
IC7431
Q521
IC3516
HVDD
VVDD
IC3511
15V_SHR
IC3531
15V_SHG
IC5502
S12V
12V
IC6651
S5V
ID_PWR_SW
IC3301
S1.2V_SCX
SCX_PLL
IC3321
1.8V_DDRA
S1.8V_SCX
IC6402
S1.2V_PC1
S1.2V_PC1D
IC4461
1.8V_KEY
IC3571
1.8V_DDR
IC3581
1.0V_DDR
1.0V_DI_C
1.0V_DI_TX
1.0V_DI
IC1861
S3.3V_I/O
IC1871
S2.5V_USB
IC2271
S3.3VADA
3.3V_ADA
3.3VIO_ADA
IC2281
IC2291
IC5101
IC6286
Q7434
Q7436
Q522
Q511
Q512
Q1511
Q1512
Q5501
Q5502
Q1761
12V_ID
Q6671
Q6672
Q6651
Q6652
Q1771
S5V_ID
Q1772
Q3321 Q3322
IC3341
0.9V_DDRA
Q6403 Q6404
Q4461
Q4462
Q1406
Q1407
Q1408
Q1409
Q1861
Q1862
Q1871
Q1872
Q2271
Q2272
Q2281
Q2282
1.8VA_ADA
PLL_ADA
1.8CV_ADA
1.8V_ADA
Q2291
Q2292
2.5V_ADA
1.3V_ADA
-157-
Q5101
Q5102
Q6286
Q6287
Error Information is listed by the serial
command "CRALLPFAIL". See the
chapter "Diagnosis of Power Failure
with RS-232C port" and "Power failure
detection system ".
ERROR INFO.
MAIN,
PF_S16V
PF_25V
MAIN,
PF_GAM
MAIN,
GAMMA
PF_F_MOTOR
MAIN,
PF_TH
MAIN,
PF_S5V
MAIN,
PF_PIC
MAIN,
PF_KEY
MAIN, KEYSTONE
PF_I/O
MAIN,
PF_AD
MAIN,
PF_F_FPGA
MAIN,
F_FPGA
S16V
25V
S12V
TH
S5V
PIC
I/O
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