Toshiba RD-XV48DTKB Service Manual

1-11-7 E3NG1TR
Are the video signals outputted to each pin of CN1502?
Ye s
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?
Ye s
Ye s
No
No
IC1509 VIDEO-IN 1 (AV1)18PIN
IC1509 VIDEO-IN (FRONT)14PIN
IC1509 DTV-Y3PIN
IC1509 VIDEO-Y/CVBS-IN61PIN
IC1509 VIDEO-C-IN59PIN
CN1502 VIDEO-Y/CVBS-IN20PIN
CN1502 VIDEO-C-IN22PIN
VIDEO-Y/CVBS-IN
20PIN
VIDEO-C-IN
22PIN
IC1509 DTV-C5PIN
IC1509 VIDEO-IN 2 (AV2)12PIN
IC1509 TUNER-VIDEO
VIDEO-IN 1 (AV1)
DTV-Y
DTV-C
VIDEO-IN 2 (AV2)
20PIN
IC1509 → JK150418PIN
VIDEO-IN (FRONT)IC1509 → JK300114PIN
IC1509 → CN1800 26PIN3PIN
IC1509
→ CN150261PIN
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 28PIN5PIN
IC1509 → JK200112PIN
TUNER-VIDEOIC1509 → TU1800 17PIN20PIN
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).
Ye s N o
Is 5V voltage supplied to Pin(27,29,47,63) of IC1509?
Is 9V voltage supplied to Pin(75) of IC1509?

Toshiba RD-XV48DTKB Specifications

General

Brand	Toshiba
Model	RD-XV48DTKB
Category	VCR
Language	English