64
TROUBLESHOOTING
C. NO AUDIO OUTPUT
NO SOUND OUTPUT
Is 12V constant?
(Voltage Check LP02)
YES
NO
NO
NO
YES
Is AD 5V constant?
(Voltage Check DP11, DP12, IP03)
Is AD33V constant?
(Voltage Check LP11)
Change LP12
Check DP11, DP12, IP03 and Change
Change LP11
NO
YES
Is the audio data of main chip
output?(Check the audio port of IC01)
Change IB01 or IB02
Is there any short of AUDIO DATA
output and open?
NO
Change MAIN CHIP
YES
Sound operation completed.
YES
Summary of Contents for DDT-21H9ZDF(21")
Page 17: ...16 Service Manual CP 099 FS...
Page 40: ...Service Manual CP 099 FS 39 5 Circuit desription 5 1 Block diagram CP 099...
Page 41: ...Service Manual CP 099 FS 40 5 Circuit desription Block diagram CP 099FS...
Page 66: ...65 CIRCUIT DIAGRAM VE2 0 DVD Player Series Block Diagram...
Page 67: ...66 CIRCUIT DIAGRAM DVD MODULE DQL 1000 ALIM3351 MPEG IC...
Page 68: ...67 CIRCUIT DIAGRAM DVD MODULE DQL 1000 RF MOTOR_DIRIVERS...
Page 69: ...68 CIRCUIT DIAGRAM DQL 1000 FLASH SDRAM...
Page 70: ...69 CIRCUIT DIAGRAM DQL 1000 AUDIO_DAC VIDEO_CHANNEL...
Page 71: ...70 CIRCUIT DIAGRAM DQL 1000 SYSTEM_POWER...
Page 75: ...74 CIRCUIT OPERATIONAL DESCRIPTION b TRACKING Block Diagram c MIRROR Block Diagram...
Page 107: ...Service Manual CP 099 FS 106 8 3 DDT 14H9ZZF...
Page 108: ...Service Manual CP 099 FS 107 9 PRINTED CIRCUIT BOARD 9 1 Main PCB CP 099FS...
Page 109: ...Service Manual CP 099 FS 108 9 2 Main PCB CP 099...
Page 110: ...Service Manual CP 099 FS 9 3 Power PCB CP 099 109...
Page 111: ...Service Manual CP 099 FS 9 4Power PCB CP 099FS 110...
Page 112: ...Service Manual CP 099 FS 111 10 SCHEMATIC DIAGRAM 10 1 Main CP 099...
Page 113: ...Service Manual CP 099 FS 112 Main CP 099FS...
Page 114: ...Service Manual CP 099 FS 113 10 2 Power CP 099FS...
Page 115: ...Service Manual CP 099 FS 114 Power CP 099...
Page 116: ......