
FLOW CHART
35
B. TROUBLESHOOTING OF Hi-Fi REC AND PB
No Hi-Fi sound in the
playback mode
Is the FM ENVE supplied
to the pin
3
of IC251?
YES
NO
Check the Preamp module.
Is A. SW pulse input to the
pin
0
of IC251?
YES
NO
Check the SYSCON.
Is
±
5V supplied to the pin
8 y I
of IC251?
YES
NO
Check the power circuit.
Are the clock and
data supplied to the
pin
%
^
of IC251?
YES
NO
Is the signal out to the pin
E e
of IC251?
Check the JK601 (RCA JACK) or
JK602 (SCART) adjacent circuit.
YES
NO
Change the IC251
Содержание DV-K*04W Series
Страница 71: ...CIRCUIT DIAGRAMS 68 SECTION 9 CIRCUIT DIAGRAM 9 1 CONNECTION DIAGRAM DV K884W K484W K284W ...
Страница 72: ...CIRCUIT DIAGRAMS 69 9 2 POWER CIRCUIT DIAGRAM DV K884W K484W K284W ...
Страница 73: ...CIRCUIT DIAGRAMS 70 9 3 SYSCON AND LOGIC CIRCUIT DIAGRAM ...
Страница 74: ...CIRCUIT DIAGRAMS 71 9 4 PIF CIRCUIT DIAGRAM DV K884W K484W K284W ...
Страница 75: ...CIRCUIT DIAGRAMS 72 9 5 IF MPX MODULE CIRCUIT DIAGRAM DV K884W K484W K284W ...
Страница 76: ...CIRCUIT DIAGRAMS 73 9 6 VIDEO AUDIO CIRCUIT DIAGRAM DV K884W K484W K284W ...
Страница 77: ...CIRCUIT DIAGRAMS 74 9 7 Hi Fi PRE AMP CIRCUIT DIAGRAM DV K884W K484W K284W ...
Страница 78: ...DISASSEMBLY 79 SECTION 11 DISASSEMBLY 11 1 PACKING ASS Y ...
Страница 79: ...DISASSEMBLY 80 11 2 FRONT PANEL ASSEMBLY ...