1-11-16
E9TK3TR
FLOW CHART NO.13
Hi-Fi audio can not be playbacked normally. (Hi-Fi E-E mode is normal.)
FLOW CHART NO.14
Audio can not be recorded normally in the linear audio mode. (E-E mode is normal.)
Is the audio signal inputted into Pin(13) of IC301?
Does the Bias oscillation circuit operate normally?
Is the audio signal outputted to Pin(11) of IC301?
Is the Playback Envelope signal outputted to Pin(33) of
IC451?
Replace P1(AV ASSEMBLY).
Is the Hi-Fi-H-SW signal inputted into to Pin(39) of IC451?
Yes
Yes
Yes
Is the audio signal outputted to Pin(100) of IC301?
Yes
Yes
Yes
No
No
No
No
Check the Hi-Fi-H-SW line between
Pin(39) of IC451 and Pin(19) of
IC501, and replace P1(AV
ASSEMBLY) if defective.
Check the line between Pin(78) of IC451 and Pin(13)
of IC301, and replace P1(AV ASSEMBLY) if defective.
Check the Bias oscillation circuit (Q401,Q403,Q404,
Q405,Q406) and replace P1(AV ASSEMBLY) if defective.
Replace P1(AV
ASSEMBLY).
Replace P1(AV ASSEMBLY).
No
Replace P1(AV ASSEMBLY).
No
FLOW CHART NO.12
Hi-Fi audio can not be recorded normally. (E-E mode is normal.)
Is the Hi-Fi-COM signal outputted to Pin(26) of IC451?
Is the line between Pin(8) of CN251 and Pin(26) of
IC451 normal?
Replace DECK ASSEMBLY (1B1).
Yes
Yes
No
Replace P1(AV ASSEMBLY).
No
Check the line between Pin(8) of CN251 and Pin(26)
of IC451, and replace P1(AV ASSEMBLY) if defective.
Replace DECK ASSEMBLY (1B1).
Summary of Contents for DVR19DTKB2
Page 4: ...1 1 1 E9TK3SP SPECIFICATIONS ...
Page 58: ...1 14 3 NOTE BOARD MEANS PRINTED CIRCUIT BOARD E9TK3SCAV1 AV 1 9 Schematic Diagram VCR Section ...
Page 60: ...1 14 5 NOTE BOARD MEANS PRINTED CIRCUIT BOARD E9TK3SCAV3 AV 3 9 Schematic Diagram VCR Section ...
Page 61: ...1 14 6 NOTE BOARD MEANS PRINTED CIRCUIT BOARD E9TK3SCAV4 AV 4 9 Schematic Diagram VCR Section ...
Page 62: ...1 14 7 NOTE BOARD MEANS PRINTED CIRCUIT BOARD E9TK3SCAV5 AV 5 9 Schematic Diagram VCR Section ...
Page 63: ...1 14 8 NOTE BOARD MEANS PRINTED CIRCUIT BOARD E9TK3SCAV6 AV 6 9 Schematic Diagram VCR Section ...
Page 64: ...1 14 9 NOTE BOARD MEANS PRINTED CIRCUIT BOARD E9TK3SCAV7 AV 7 9 Schematic Diagram VCR Section ...
Page 89: ...1 17 3 DVDP_TI Push close 0 08 V 0 02 s Push Close detection Threshold level ...
Page 97: ...1 20 4 E9TK3PEX Packing X 2 X 3 X 6 X1 Upper Side Lower Side FRONT ...
Page 123: ......