47
13VT-N100
13VT-N150
13VT-CN10
NO
NO
E-E MODE TROUBLESHOOTING
FLOW CHART NO.1-12
No E-E signal.
YES
YES
YES
YES
YES
Check between pins (8) 
and (7) of IC2201 and all 
the way up thrn to pins 
(72) and (71) of IC2001.
NO
NO
NO
Is there a signal at pin 
(20) or (16) of IC2201?
Is there a signal at pin 
(47) of IC401?
Is there a signal at pin 
(25) of IC2201?
Check PC 5V lines.
Replace IC2201.
Check IC401 and parts 
around it.
Check between pin (47) of IC401 and all the way up thru to 
pin (20) or (16) of IC2201.
Is the supply voltage of 
5V feed to pins (4), (21), 
(48) and (63) of IC2201?
Are there the I
2
C bus 
data and clock at pins (8) 
and (7) of IC2201?
Check between pin (25) 
of IC2201 and pin (14) of 
IC402.
FLOW CHART NO.1-13
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
RECORDING MODE TROUBLESHOOTING
Recording (LUMINANCE) is not possible. Recording is possible but without color.
Is there a signal at 
pin (29) of 
IC2201?
Is there a signal at 
pin (57) of IC2201?
Check parts 
around and pins 
(27), (38), (36) and 
(29) of IC2201.
Check parts 
around pins (30) 
and (31) of 
IC2201.
Is there a signal at 
pin (10) of 
IC2201?
Is there a signal at 
pin (57) of 
IC2201?
Check pin (94) of 
IC2201.
(VCO control)
Check parts 
around pins (12), 
(43), (45) and (10) 
of IC2201.
Is there a signal at pin (26) of IC3301?
Are pins (36) and (35) of IC3301 at 5V?
Is there a signal at pin (10) of IC3301?
Check upper and lower drum.
Check PC 5V and bias CTL (H) lines.
Replace IC3301.
Check between pin (57) of IC2201 and all 
the way up thru pin (26) of IC3301.