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...instruction is ok.
...instrukcja jest ok.
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Documentation made available quickly and It is good quality. Thanks.
VDR ELECTRICAL TROUBLESHOOTING GUIDE
No 3.3V
No 2.5V
Is the Vcc(3.8V) sup- NO plied to IC153 pin 1?
YES
Check or Replace the D127
Is the Vcc(13.5V) sup- NO plied to D156 anode?
YES
Check or Replace the D156
Is the IC153 pin4 � H�?
YES
NO
Check the DVD CTL �H� signal from µ-com
Is the IC154 pin4 �H�?
YES
NO
Check the DVD CTL �H� signal from µ-com
Check or Replace the IC153
Check or Replace the IC154
No 12VL
No 5VL
Is the Vcc(13.5V) sup- NO plied to IC155 pin 1?
YES
Check or Replace the D124
Is the Vcc(5.5V) sup- NO plied to IC156 pin 1?
YES
Check or Replace the D128
Is the IC155 pin4 �H�?
YES
NO
Check the DVD CTL �H� signal from µ-com
Is the IC156 pin4 �H�?
YES
NO
Check the DVD CTL �H� signal from µ-com
Check or Replace the IC155
Check or Replace the IC156
3-68
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