FLOW CHART
32
4-5. A
UDIO
C
IRCUIT
(N
ORMAL
)
A. TROUBLESHOOTING OF PB MODE.
No sound in the
playback mode
Is the output at pin
V
of IC301?
Check power circuit
YES
YES
YES
YES
YES
NO
NO
NO
NO
Is 5V applied to pin 76
of IC301 and is 5.8V
applied to pin
@
of T201?
Check Hi-Fi,
A/V select circuit
IS collector of Q203 GND?
Check Q203, Q204, Q202
Check pattern and
AC Head
NO
Is less then 0.2V
at pin
b
of IC301?
Is clock and data applied
to pin
K
,
k
of IC301?
Check SYSCON
Summary of Contents for DV-K*84W Series
Page 71: ...CIRCUIT DIAGRAMS 68 SECTION 9 CIRCUIT DIAGRAM 9 1 CONNECTION DIAGRAM DV K884W K484W K284W...
Page 72: ...CIRCUIT DIAGRAMS 69 9 2 POWER CIRCUIT DIAGRAM DV K884W K484W K284W...
Page 73: ...CIRCUIT DIAGRAMS 70 9 3 SYSCON AND LOGIC CIRCUIT DIAGRAM...
Page 74: ...CIRCUIT DIAGRAMS 71 9 4 PIF CIRCUIT DIAGRAM DV K884W K484W K284W...
Page 75: ...CIRCUIT DIAGRAMS 72 9 5 IF MPX MODULE CIRCUIT DIAGRAM DV K884W K484W K284W...
Page 76: ...CIRCUIT DIAGRAMS 73 9 6 VIDEO AUDIO CIRCUIT DIAGRAM DV K884W K484W K284W...
Page 77: ...CIRCUIT DIAGRAMS 74 9 7 Hi Fi PRE AMP CIRCUIT DIAGRAM DV K884W K484W K284W...
Page 78: ...DISASSEMBLY 79 SECTION 11 DISASSEMBLY 11 1 PACKING ASS Y...
