52
51
TROUBLESHOOTING
c. Audio part
1) No sound in DVD playback mode and No VCR sound
2) No sound in EE mode
TROUBLESHOOTING
No Record
Is there video input signal at
pin 256 of ICN01?
Is there signal at XN01?
Check CC51 and PC02.
3) Can not Record at DVD
4) No DV Input
Check XN01,CN17 and CN18
Check Analog Board.
Check RC51,RC52,
RC53,RC54,RC55 and RC56.
Check RS18,RS19,RS20 and RS21.
Is there signal at
APD[15:0]?
Check Front End Part.
No DV Input
Is there input signal at pin
28 and pin30 of ICD01?
Check PD01 and connector
Is there signal at pin
74.75.76.77 of ICN01?
Check XD01, CD03 and CD04.
Replace ICD01.
Check PC02 and Analog
Board.
Summary of Contents for DW-K3AD2N-DS
Page 8: ...11 BLOCK DIAGRAM...
Page 9: ...12 BLOCK DIAGRAM...
Page 10: ...13 BLOCK DIAGRAM P201 P201 IC201 A SW NJM4052BM IC101...
Page 14: ...17 BLOCK DIAGRAM...
Page 15: ...18 SCHEMATIC DIAGRAM...
Page 16: ...19 SCHEMATIC DIAGRAM...
Page 17: ...20 SCHEMATIC DIAGRAM...
Page 18: ...21 SCHEMATIC DIAGRAM...
Page 19: ...22 SCHEMATIC DIAGRAM...
Page 20: ...23 SCHEMATIC DIAGRAM...
Page 34: ...42 DISASSEMBLY 41 DISASSEMBLY DW K3BD2N DS DW K3BD2N DS...
Page 43: ...60 59 PCB CIRCUIT BOARD Mpeg SYSTEM parts PCB CIRCUIT BOARD 2 DW K3BD2N DS DW R632...
Page 44: ...62 61 PCB CIRCUIT BOARD Mpeg Audio parts PCB CIRCUIT BOARD Mpeg Video parts...
