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Troubleshooting > Trouble Diagnosis
(4) No zoom and focus operation
NG
TL1301:7.2V
OK
The test lands and components of circuit no. 1000-1099 are on the SP circuit board.
The test lands and components of circuit no. 1100-1499 are on the PC circuit board.
Check IC1301 and
The test lands and components of circuit no. 1500 and higher are on the CSR circuit board.
EEPROM
When power
NG
turned on:
TL1336:PULSE
OK
OK
TL1331-TL1334:
PULSES
NG
NG
IC1301-2,4,
24:3V
OK
NG
IC1301-10,
15:7.2V
OK
NG
IC1301-1 (TL1311):
PULSE
OK
NG
IC1301-23:PULSE
OK
NG
IC1301-20:PULSE
OK
NG
IC1301-5:PULSE
OK
W h e n p o w e r
NG
t u r n e d o n :
T L 1 3 4 5 : P U L S E
OK
OK
T L 1 3 4 7 - T L 1 3 5 0 :
P U L S E S
NG
A
L1301 faulty
Lens block faulty.
Check the 3V line
Check the 7.2V line
IC1301 faulty
IC1301 faulty.
IC1301 faulty.
IC1301 faulty.
B
L e n s u n i t f a u l t y .
Check the
NG
connections of the
lens flat cable.
OK
NG
TL1346:3V
Check the 3V line
OK
NG
TL1335:PULSE
OK
Lens unit faulty
4 - 5
Correct the
connections
of the cable.
IC1301 faulty.
R1215 faulty.
Q1201 faulty.
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