Service manual
48
13VT-R100/R150
13VT-CR10
NO
NO
E-E MODE TROUBLESHOOTING
FLOW CHART NO.1-14
No E-E signal.
YES
YES
YES
YES
YES
Check between pins (62)
and (63) of IC2201 and
all the way up thrn to pins
(57) and (56) of IC2001,
respectively .
NO
NO
NO
Is there a signal at pin
(31) of IC2201?
Is there a signal at pin
(47) of IC401?
Is there a signal at pin
(52) of IC2201?
Check PC 5V lines.
Check IC2201.
Check IC401 and parts
around it.
Check between pin (47) of IC401 and all the way up thru to
pin (31) of IC2201.
Is the supply voltage of
5V feed to pins (12), (38),
(61) and (67) of IC2201?
Are there the I
2
C data
and clock at pins (62)
and (63) of IC2201?
Check between pin (52)
of IC2201 and pin (14) of
IC402.
FLOW CHART NO.1-15
NO
NO
NO
NO
YES
YES
YES
YES
YES
RECORDING MODE TROUBLESHOOTING
Recording (LUMINANCE) is not possible. Recording is possible but without color.
Are there a signal
at pins (18) and
(23) of IC2201?
Is there a signal at
pin (13) of IC2201?
Check parts
around pins (20),
(21), (22) and (25)
of IC2201.
Check parts
around pins (14)
and (15) of
IC2201.
Is there a signal at
pin (58) of
IC2201?
Check parts
around pins (59),
(61), (65) and (76)
of IC2201.
Are there a signal at pins (87) and (92) of
IC2201?
Check the upper and lower drum.
Check IC2201.
NO
NO NO
PLAYBACK MODE TROUBLESHOOTING FLOW CHART NO.1-16
YES
YES YES
YES
Check between AH
connector and pin (86) until
pin (94) of IC2201.
Is there a signal at pin (78)
of IC2201?
NO
Playback is not possible.
(E-E mode can function)
Is there a signal at pin (23)
of IC2201?
Is there a signal at pin (54)
of IC2201?
Check between pin (52) of
IC2201 and all the way up
to pin (14) of IC402.
Check the
Y/C data
and clock at
pin (62) and
(63) of
IC2201.
Is there a
signal at pin
(52) of
IC2201?
(LUMINANCE) (CHROMINANCE)
Check
IC2201.
Check
peripheral
circuits of
X5501.
Playback is possible but
without color.