4 - 5
Troubleshooting > Trouble Diagnosis
(4) No zoom and focus operation
NG
OK
NG
NG
NG
NG
OK
OK
NG
OK
OK
OK
IC1380-10
(TL1301): 7.2V
L1301 faulty
When power
turned on:
TL1345:Pulse
TL1331 to 1334:
Pulses
Lens unit faulty.
IC1301-2,4,
24: 3V
IC1301-10,
15: 7.2V
TL1311: Pulse
IC1201 faulty
Check the 7.2V (VM)
line
Check the 3V line
Check the
connections of the
lens flat cable.
PG1301-1
(TL1346): 3V
TL1335: Pulse
Lens unit faulty
IC1201 faulty.
R1203 faulty.
Q1201 faulty.
Check the 3V line
Correct the
connections
of the cable.
IC1301-23: Pulse
IC1301-20: Pulse
IC1201 faulty.
IC1201 faulty.
IC1201 faulty.
IC1301-5: Pulse
NG
NG
NG
OK
OK
OK
NG
NG
NG
OK
OK
OK
W h e n p o w e r t u r n e d
o n : P G 1 3 0 1 - 1 2
( T L 1 3 3 6 ) : P u l s e
L e n s u n i t f a u l t y .
OK
NG
OK
2
NG
I C 1 3 0 2 - 2 , 4 , 2 4 : 3 V
C h e c k t h e 3 V l i n e
NG
OK
C h e c k t h e
c o n n e c t i o n s o f t h e
l e n s f l a t c a b l e .
L e n s u n i t f a u l t y .
I C 1 2 0 1 f a u l t y .
R 1 2 0 4 f a u l t y .
Q 1 2 0 1 f a u l t y .
C h e c k t h e 3 V l i n e
C o r r e c t t h e
c o n n e c t i o n s
o f t h e f l a t c a b l e .
NG
NG
NG
OK
OK
OK
P G 1 3 0 1 - 1 9 t o 2 2
( T L 1 3 4 7 t o 1 3 5 0 ) :
P u l s e s
PG1301-1
(TL1346): 3V
PG1301-14
(TL1344):
Pulse
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.
The test lands and components of circuit no. 1500 and higher
are on the CSR circuit board.
[Continued on next page]
