1-11-15
E9TFCTR
FLOW CHART NO.11
Hi-Fi E-E audio does not operate normally.
No
No
Are the audio signals inputted to each pin of IC1509?
Check the line between audio input terminal and each
pin of IC1509, and service it if defective.
Are the audio signals outputted to Pin(69, 70) of IC1509?
Yes
Yes
IC1509
AUDIO-IN1 (AV1)
84, 85PIN
IC1509
AUDIO-IN2 (AV2)
89, 90PIN
IC1509
TUNER-AUDIO
86, 87PIN
IC1509
DTV-AUDIO
93, 94PIN
IC1509
→
JK1504
84, 85PIN
AUDIO-IN1 (AV1)
IC1509
→
JK2001
89, 90PIN
IC1509
→
TU1800 12PIN
86, 87PIN
SIF
IC1509
→
CN1800 25, 27PIN
93, 99PIN
DTV-AUDIO
AUDIO-IN2 (AV2)
Check the ECO+5V, ECO+9V
line and service it if defective.
Replace IC1509.
Yes
No
Is 5V voltage supplied to Pin(27, 29, 47, 63) of IC1509?
Is 9V voltage supplied to Pin(75) of IC1509?
Yes
Check the line between Pin(73, 74) of IC1509 and audio
terminal (JK1504), and service it if defective.
Are the audio signals outputted to the specific output
terminal?
Are the audio signals outputted to the audio terminal
(JK1504)?
Are the audio signals outputted to the audio terminal
(JK2001)?
Yes
IC1509 73, 74PIN AUDIO-OUT 1 (AV1)
IC1509 71, 72PIN AUDIO-OUT 2 (AV2)
Are the audio signals outputted to each pin of IC1509?
No
No
Check the line between Pin(71, 72) of IC1509 and audio
terminal (JK2001), and service it if defective.
No
Check the ECO+5V, ECO+9V
line and service it if defective.
Replace IC1509.
Yes
No
Is 5V voltage supplied to Pin(27, 29, 47, 63) of IC1509?
Is 9V voltage supplied to Pin(75) of IC1509?
Check the line between Pin(69, 70) of IC1509 and
Pin(4, 50) of IC451, and service it if defective.
Check the circuit of P-ON+5V and P-ON+9V, and
service it if defective.
Is the 5V voltage supplied to Pin(16,32,35,36,46,55) of
IC451, and the 9V voltage supplied to Pin(69) of IC451?
Is the serial data and the clock signal supplied to
Pin(37, 38) of IC451?
Is the audio signal outputted to Pin(74, 76) of IC451?
Is the audio signal inputted into Pin(81, 82) of IC1509?
Is the audio signal inputted to Pin(4, 50) of IC451?
Yes
Yes
Yes
Yes
No
No
No
No
No
Check the line between Pin(37, 38) of IC451 and
Pin(71, 72) of IC501, and service it if defective.
Check the line between Pin(74, 76) of IC451 and
Pin(81, 82) of IC1509, and service it if defective.
Replace IC451.
Summary of Contents for WD6D-M100
Page 54: ...1 13 3 E9TFASCAV1 AV 1 10 Schematic Diagram VCR Section...
Page 56: ...1 13 5 E9TFASCAV3 AV 3 10 Schematic Diagram VCR Section...
Page 57: ...1 13 6 E9TFASCAV4 AV 4 10 Schematic Diagram VCR Section...
Page 58: ...1 13 7 E9TFASCAV5 AV 5 10 Schematic Diagram VCR Section...
Page 59: ...1 13 8 E9TFASCAV6 AV 6 10 Schematic Diagram VCR Section...
Page 60: ...1 13 9 E9TFASCAV7 AV 7 10 Schematic Diagram VCR Section...
Page 61: ...1 13 10 E9TFASCAV8 AV 8 10 Schematic Diagram VCR Section...
Page 62: ...1 13 11 E9TFASCAV9 AV 9 10 Schematic Diagram VCR Section...
Page 63: ...1 13 12 E9TFASCAV10 AV 10 10 Schematic Diagram VCR Section...
Page 66: ...1 13 15 Rear Jack Schematic Diagram VCR Section E9TFASCRJ...
Page 72: ...1 13 21 E9TFASCD6 DVD Main 6 7 Schematic Diagram DVD Section...
Page 74: ...1 13 23 E9TFASCDTV DTV Module Schematic Diagram DVD Section...