JVC XV-BP1C Service Manual page 13

No 3.3VA
YES
Is the Vcc
NO
(3.8V) supplied to
IC153 Pin1?
YES
NO
Is the IC153
Pin4 "H"?
YES
Check or Replace
the IC153
No 12V_A
YES
Is the Vcc
NO
(13.5V) supplied to
IC151 Pin1?
YES
NO
Is the IC151
Pin4 "H"?
YES
Check or Replace
the IC151
Check or Replace
the D123
Check the DVD CTL
"H" signal from u-com
Check or Replace
the D121
Check the DVD CTL
"H" signal from u-com
No 5VA
YES
Is the Vcc
NO
(5.5V) supplied to
D132 anode?
YES
NO
Is the IC152
Pin4 "H"?
YES
Check or Replace
the IC152
No 12V_L
YES
Is the Vcc
NO
(13.5V) supplied to
IC154 Pin1?
YES
NO
Is the IC154
Pin4 "H"?
YES
Check or Replace
the IC154
Check or Replace
the D132
Check the DVD CTL
"H" signal from u-com
Check or Replace
the D121
Check the DVD CTL
"H" signal from u-com
(No.MB706<Rev.002>)1-13