1-11-7
E3NG1TR
Are the video signals outputted to each pin of CN1502?
Yes
No
FLOW CHART NO.4
VIDEO E-E does not appear normally.
Are the video signals inputted to each pin of IC1509?
Check the line between video input terminal and
each pin of IC1509, and replace P1(AV ASSEMBLY),
P6(BOARD DTV MODULE UNIT) or TU1800.
Are the video signals outputted to each pin of IC1509?
Yes
Yes
No
No
IC1509
VIDEO-IN 1 (AV1)
18PIN
IC1509
VIDEO-IN (FRONT)
14PIN
IC1509
DTV-Y
3PIN
IC1509
VIDEO-Y/CVBS-IN
61PIN
IC1509
VIDEO-C-IN
59PIN
CN1502
VIDEO-Y/CVBS-IN
20PIN
CN1502
VIDEO-C-IN
22PIN
VIDEO-Y/CVBS-IN
20PIN
VIDEO-C-IN
22PIN
IC1509
DTV-C
5PIN
IC1509
VIDEO-IN 2 (AV2)
12PIN
IC1509
TUNER-VIDEO
VIDEO-IN 1 (AV1)
DTV-Y
DTV-C
VIDEO-IN 2 (AV2)
20PIN
IC1509
→
JK1504
18PIN
VIDEO-IN (FRONT)
IC1509
→
JK3001
14PIN
IC1509
→
CN1800 26PIN
3PIN
IC1509
→
CN1502
61PIN
IC1509
→
CN1502
59PIN
Check the line between each pin of IC1509 and
each pin of CN1502 and replace P1(AV ASSEMBLY)
if defective.
IC1509
→
CN1800 28PIN
5PIN
IC1509
→
JK2001
12PIN
TUNER-VIDEO
IC1509
→
TU1800 17PIN
20PIN
Continued to A on the next page.
Check the ECO+5V, ECO+9V
line and replace P1(AV
ASSEMBLY) or P3(PW/SW
ASSEMBLY) if defective.
Replace P1(AV
ASSEMBLY).
Yes
No
Is 5V voltage supplied to Pin(27,29,47,63) of IC1509?
Is 9V voltage supplied to Pin(75) of IC1509?
Summary of Contents for RD-XV48DTKB
Page 4: ...1 1 1 E3NG1SP SPECIFICATIONS ...
Page 62: ...1 14 3 E3NG1SCAV1 AV 1 9 Schematic Diagram VCR Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...
Page 64: ...1 14 5 E3NG1SCAV3 AV 3 9 Schematic Diagram VCR Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...
Page 65: ...1 14 6 E3NG1SCAV4 AV 4 9 Schematic Diagram VCR Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...
Page 66: ...1 14 7 E3NG1SCAV5 AV 5 9 Schematic Diagram VCR Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...
Page 67: ...1 14 8 E3NG1SCAV6 AV 6 9 Schematic Diagram VCR Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...
Page 68: ...1 14 9 E3NG1SCAV7 AV 7 9 Schematic Diagram VCR Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...
Page 81: ...1 14 22 E3NG1SCDTV DTV MODULE Schematic Diagram NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...
Page 98: ...1 19 4 E3NG1PEX Packing X 2 X 6 X1 Upper Side Lower Side X 3 ...
Page 124: ......