4 - 8
Troubleshooting > Trouble Diagnosis
( 7 ) N o z o o m o p e r a t i o n
Does focus operate
normally?
Check the
zoom switch unit.
When power
turned on:TL1345:
Pulse
TL1331 to 1334:
Pulses
IC1301-2,4,24: 3V
IC1301-10,
15: 7.2V
Lens unit faulty.
Zoom switch faulty.
See "(4) No zoom and
focus operation."
Check the 3V line
Check the 7.2V (VM)
line
IC1201 faulty.
NG
NG
NG
OK
OK
OK
OK
NG
NG
NG
OK
OK
NG
OK
IC1301-23:
Pulse
IC1301-20:
Pulse
IC1301 faulty
IC1201 faulty.
R1203 faulty.
Q1201 faulty.
IC1201 faulty.
IC1201 faulty.
IC1201 faulty.
IC1301-5: Pulse
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 .
P G 1 3 0 1 - 1
( T L 1 3 4 6 ) :
3 V
T L 1 3 3 5 : P u l s e
L e n s u n i t 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
NG
NG
NG
OK
OK
OK
TL1311: 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.
