Toshiba SD-K530SU Service Manual page 60

(2) No 5V
NO 5V.
YES
NO
Is the Vcc(5.3V) sup-
plied to Q160 Emitter?
YES
NO
Is the Q162 Base
"H"?
YES
Check or Replace
the Q160
(4) No SW5V
No SW5V
YES
NO
Is the Vcc(5.3V) sup-
plied to Q163 Emitter?
YES
NO
Is the Q164 Base
"H"?
YES
Check or Replace
the Q163
Check or Replace
the D118.
Check the PWR CTL
"H" signal from µ-com
Check or Replace
the D118.
Check the PWR CTL
"H" signal from µ-com
3-5
(3) No 3.3V
No 3.3V.
YES
NO
Is there about 3.7V
at the IC152 pin1?
YES
NO
Is there about 3.3V~
5V at the IC152 pin4?
YES
Check the IC152
and Replace
(5) No 33V
NO 33V.
YES
NO
Is the Vcc(33V) sup-
plied to Q161 Emitter?
YES
NO
Is the Q162 Base
"H"?
YES
Check or Replace
the Q161
Check or Replace
the D111
Check the PWR CTL
"H" signal from µ-com
Check or Replace
the D113.
Check the PWR CTL
"H" signal from µ-com