3 - 17
Does zoom operate
normally
Is manual focus provided
(2) NO FOCUS LENS OPERATION
No
OK
Yes
No
No
Yes
Yes
OK
OK
OK
OK
NG
NG
NG
NG
TL1312: PULSE
IC1104-92: PULSE
TL1313-TL1316: PULSES
Lens block faulty
IC1104-93: PULSE
• Focus switch faulty
• R1178 faulty
• R1185 faulty
• C1117 faulty
• Focus switch faulty
• R1179 faulty
• R1186 faulty
• C1118 faulty
Check the focus
switches.
Focus switches faulty
See “ (1) NO ZOOM AND
FOCUS OPERATION”.
Can switching be done
between manual focus
and autofocus
1
1
2
3
Note: Check the items marked by turned power ON.
Note: Check the items marked by pressing the manual
focus FAR and NEAR switches alternately.
OK
OK
NG
NG
IC1301-3: 3V
IC1301-4, 11, 23: 5V
Check the 5V line.
Check the 3V line.
OK
NG
TL1325: 12V
• C1302 faulty
• C1303 faulty
• C1304 faulty
IC1301 faulty
OK
NG
OK
NG
IC1301-13, 15: PULSES
IC1301-12, 14: PULSES
IC1104 faulty
IC1104 faulty
3
Note: Check the items marked by turned power ON.
OK
OK
NG
NG
Check the connections
of the lens flat cable.
TL1317: 3V
Check the 3V line.
Connect the connections
of the lens flat cable.
OK
NG
TL1311: PULSE
• R1316 faulty
• Q1301 faulty
• IC1104 faulty
Lens block faulty
2
Note: Check the items marked by turned power ON.