Power Supply And Power Failure Detection - Christie LX1750C Service Manual

Troubleshooting

Power supply and power failure detection

MAIN
K66A
S16V
Q7431
ON_25V
ON_15V
S6V
POWER_ON_SW
S6V1
KEY_POW_ON
S4.3V1
POWER_ON_SW
Q3331 Q3332
SCX_PLL
LX1750 Service Manual
020-000643-01 Rev.1 (01-2014)
Q6601 Q6602
Q7432 Q7433
25V
IC7431
Q591
IC591
15.5V
HVDD
VVDD
IC5502
S12V
IC6651
S5V
ID_PWR_SW
IC1261
5VA
IC3301
S1.2V_SCX
SCX_PLL
IC3321
1.8V_DDRA
S1.8V_SCX
IC6402
S1.2V_PC1
S1.2V_PC1D
IC4461
1.8V_KEY
IC1861 S3.3V_I/O
IC1871
S2.5V_USB
IC2271
S3.3VAD 3.3V_AD
3.3VIO_AD
IC2281
IC2291
IC5101
IC6286
3.3VFF
3.3V0FF
3.3V1FF
3.3V2FF
3.3V3FF
3.3VFFAUX
IC3331
S3.3V_SCX
Q7434 Q7436
Q592
Q5501 Q5502
Q1761
12V_ID
Q6651 Q6652
Q1771
S5V_ID
Q1772
Q1261 Q1262
Q3321 Q3322
IC3341
0.9V_DDRA
0.9V_REFA
Q6403 Q6404
Q4461 Q4462
Q1861 Q1862
Q1871 Q1872
Q2271 Q2272
Q2281 Q2282
1.8VA_AD
PLL_AD
1.8CV_AD
1.8V_AD
Q2291 Q2292
2.5V_AD 1.3V_AD
Q5101 Q5102
Q6286 Q6287
1.2VFF
-161-
Error Information is listed by the serial
command. See the chapter "Diagnosis
of power failure with serial port" and
"Power failure detection system ".
ERROR INFO.
MAIN,
PF_S16V
PF_25V
MAIN,
PF_GAM MAIN,
PF_F_MOTOR
MAIN,
PF_S5V
MAIN,
PF_PIC
MAIN,
PF_KEY MAIN, KEYSTONE
MAIN,
PF_I/O
MAIN,
PF_AD
PF_F_FPGA
MAIN,
S16V
25V
GAMMA
S12V
S5V
PIC
I/O
AD
F_FPGA