92
TROUBLESHOOTING
2. HEADPHONE
Is there reset(H) at ICD01 #14?
NO
NO
YES
YES
Is 12V obtained at ICD03 #8?
Are there signals at ICD04
#1, #7?
Check DVD Board.
Check signal flow circuit.
NO sound in DVD or
EXTERNAL mode.
Are there voltages at ICD01 #8(5V),
#9(3.3V), #21(5V)?
YES
Are there clocks at ICD01 #5(BCLK),
#6(LRCLK), #10(MCLK)?
NO
YES
NO
Check Power circuit.
YES
Check output JACK.
Check ICD02.
NO
YES
All manuals and user guides at all-guides.com
Summary of Contents for DR-C912B
Page 13: ...11 INSTRUMENT DISASSEMBLY All manuals and user guides at all guides com...
Page 39: ...37 EXPLODED VIEW 6 3 EXPLODED VIEW OF FL ASS Y All manuals and user guides at all guides com...
Page 44: ...42 WAVEFORMS VIDEO WAVEFORMS 480 4 6 20 34 All manuals and user guides at all guides com...
Page 114: ...NORMAL AUDIO BLOCK DIAGRAM 112 BLOCK DIAGRAM All manuals and user guides at all guides com...
Page 117: ...AMP BLOCK DIAGRAM 115 BLOCK DIAGRAM All manuals and user guides at all guides com...
