Toshiba SD-K530SU Service Manual page 61

(6) No 13V(TO Cap, Drum Motor)
NO 13VA.
YES
NO
Is the Vcc(13V)
supplied to C123?
YES
NO
Is the D117/D115
Normal?
YES
Check or Replace
the cap/Drum
(8) No REG 12V
No REG 12V
YES
NO
Is the Vcc(13V) supplied
to Q156 Collector?
YES
NO
Is the Vcc(13V) sup-
plied to Q156 Base
YES
Check or Replace
the Q156
Check or Replace
the D110.
Replace the
D117/D115.
Check or Replace
the D110.
Check the PWR CTL
"H" signal from µ-com
Check the 33V
Line
3-6
(7) No 8V
NO 8V.
YES
NO
Is there about 13V
at the IC151 pn1?
YES
NO
Is there about 3.3V~
5V at the IC151 pin4?
YES
Check the IC151
and Replace
(9) No 9V
NO 33V.
YES
NO
Is the Vcc(12V) supplied
to Q165 Collector?
YES
NO
Is the Vcc(10V) sup-
plied to Q165 Base
YES
Check or Replace
the Q165
Check or Replace
the D110.
Check the PWR CTL
"H" signal from µ-com
Check or Replace
the D110.
Check or Replace
the ZD171.