DOWNLOAD Sharp DV-RW360H (serv.man4) Service Manual ↓ Size: 2 MB | Pages: 47 in PDF or view online for FREE

Model
DV-RW360H (serv.man4)
Pages
47
Size
2 MB
Type
PDF
Document
Service Manual
Brand
Device
DVD / Pages 1-7-1 to 1-14-7
File
dv-rw360h-sm4.pdf
Date
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Sharp DV-RW360H (serv.man4) Service Manual ▷ View online

1-11-13
E9B30TR
Yes
Yes
No
No
FLOW CHART NO.1
FLOW CHART NO.2
The key operation is not functioning.
Are the contact point and the installation state of 
the key switches normal?
Is the control voltage normally inputted into 
Pin(7) of IC501?
Re-install some key switches correctly or
replace some key switches.
Check the key switches and their periphery, and 
service it if defective.
Replace IC501.
0.51
0.92
1.27
1.61
1.98
2.39
2.90
3.60
4.30
OUTPUT
SELECT
FF
POWER
VCR REC
/OTR
CH UP
REW
VCR
PLAY
CH 
DOWN
STOP
/EJECT
Terminal voltage of IC501-7,8
KEY-1
IC501-7
(V)
Replace the RM1501 (remote control receiver).
Replace remote control unit if need.
Check the line between the RM1501 (remote 
control receiver) and Pin(14) of IC501, and 
service it if defective.
Replace IC501.
Is the "L" pulse sent out from Pin(1) terminal of 
the RM1501 (remote control receiver) when the 
remote control unit is activated?
Is the "L" pulse signal supplied to Pin(14) of IC501?
Yes
Is 5V voltage supplied to the Pin(3) terminal of
the RM1501 (remote control receiver)?
Yes
Yes
No
Check AL+5V line and service it if defective.
No
No
No VCR operation is possible from the remote control unit. (Operation is possible from the unit.)
3. VCR Section
1-11-14
E9B30TR
FLOW CHART NO.3
FLOW CHART NO.4
Cassette tape can not be loaded.
Cassette tape is ejected right after the loading.
FLOW CHART NO.5
Cassette tape can not be ejected.
When loading a cassette tape, on Pin(10) of 
IC501, does the "L" pulse switch to the "H" pulse?
When loading a cassette tape, on Pin(10) of IC501, 
does the "L" pulse switch to the "H" pulse?
When loading a cassette tape, on Pin(4) of IC501, 
does the "L" pulse switch to the "H" pulse?
When pressing the eject button, does the Capstan
Motor start rotating?
Refer to "FLOW CHART NO.6 " <The Capstan 
Motor does not rotate>.
Check the Reel Disc or Clutch Assembly, and 
service it if defective.
Replace IC501.
Replace the Capstan Motor unit.
Replace the Loading Motor unit.
While the Capstan Motor is rotating, is the Takeup
Reel rotating?
Is the Loading Motor rotating?
Check the Cam Gear or Rack Assembly, etc., 
and service it if defective.
While the Takeup Reel is rotating, is the reel pulse 
signal inputted to Pin(80) of IC501?
While the reel pulse signal is inputting, is "L" pulse 
outputted to Pin(81) of IC501?
Is the specified voltage (approximately 13V) 
outputted to the terminal of the Lading Motor Unit?
When loading a cassette tape, does the LD-SW 
operate normally?
When loading a cassette tape, is the specified 
voltage (approximately 13V) outputted to the 
terminal of the Loading Motor Unit?
Check the line between the start sensor and 
Pin(10) of IC501, and service it if defective.
Replace the Capstan Motor Unit.
Replace the Loading Motor Unit.
Replace IC501.
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Check the line between the start sensor and 
Pin(10) of IC501, and service it if defective.
Check the line between the end sensor and 
Pin(4) of IC501, and service it if defective.
Check the line between the LD-SW(SW507) and 
Pin(9) of IC501, and service it if defective.
Check the line between the Takeup Reel sensor 
and Pin(80) of IC501, and service it if defective.
No
No
No
No
No
No
No
No
No
No
1-11-15
E9B30TR
D-FG
D-PG
5Vp-p
2.5Vp-p
FLOW CHART NO.6
Capstan Motor does not rotate.
FLOW CHART NO.7
Drum Motor does not rotate.
FLOW CHART NO.8
Drum Motor rotates only for a few seconds.
FLOW CHART NO.9
RF-SW signal is not outputted.
Is the Drum Motor rotating?
Is 5V voltage supplied to Pin(2) of CN502?
Is 12V voltage supplied to Pin(1,11) of CN502?
Replace the Capstan Motor Unit.
Is over approximately 2.6V voltage supplied to 
Pin(5) of CN502?
Check the P-ON+5V line and service it if defective.
Check the line between Pin(5) of CN502 and 
Pin(76) of IC501, and service it if defective.
Check the AL+12V and AL+16V/+12V line, and 
service it if defective.
Check the AL+12V and AL+16V/+12V line, and 
service it if defective.
Check the AL+12V and AL+16V/+12V line, and 
service it if defective.
Check the P-ON+5V line and service it if defective.
Check the line between Pin(8) of CN502 and 
Pin(77) of IC501, and service it if defective.
Replace IC501.
No
No
No
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Is 5V voltage supplied to Pin(2) of CN502?
Is the drum PG/FG signal inputted to Pin(90) of IC501?
Is the drum PG/FG signal inputted to Pin(90) of IC501?
Is 12V voltage supplied at Pin(1,11) of CN502?
Is the RF-SW signal outputted to Pin(18) of IC501?
Is 12V voltage supplied Pin(1,11) of CN 502?
Replace the Capstan Motor Unit or Cylinder 
Assembly.
Replace the Capstan Motor Unit or the Cylinder 
Assembly.
Replace the Capstan Motor Unit or the Cylinder 
Assembly.
Replace the Capstan Motor Unit or the Cylinder 
Assembly.
Refer to "FLOW CHART NO.7" <Drum Motor does 
not rotate> and "FLOW CHART NO.8" <Drum 
Motor rotates only for a few seconds>.
Is over approximately 2.6V voltage supplied to 
Pin(8) of CN502?
Yes
Yes
Yes
Yes
Replace IC501.
Yes
Yes
Yes
Yes
1-11-16
E9B30TR
Are the video signals outputted to Pin(20) of IC1507?
No
Check the DVD-P-ON+5V line 
and service it if defective.
Replace IC1507.
Yes
No
Is 5V voltage supplied to Pin(1) of IC1507?
Are the video signals inputted to each pin of 
IC1518?
Check the line between video input terminal and 
each pin of IC1518.
IC1581    1PIN 
→
 JK1502  VIDEO-IN (AV1)
IC1581    3PIN 
→
 JK2001  VIDEO-IN2 (AV1)
IC1581  28PIN 
→
 TU1501  17PIN  TUNER-VIDEO
Check the line between each pin of IC1507 and 
Pin(31) of IC1518 and video input terminal.
IC1507  12PIN 
→
 IC1518  31PIN  TUNER/LINE VIDEO
IC1507  15PIN 
→
 JK1204  FRONT-Y-IN
IC1507    4PIN 
→
 JK1204  FRONT-C-IN
IC1507  10PIN 
→
 JK1201  FRONT-VIDEO-IN
Are the video signals inputted to each pin of IC1507?
Yes
No
Is 12V voltage supplied to Pin(2,4) of IC1518?
No
No
IC1518     1PIN    VIDEO-IN (AV1)
IC1518     3PIN    VIDEO-IN2 (AV2)
IC1518   28PIN    TUNER-VIDEO
IC1507     12PIN    TUNER/LINE VIDEO
IC1507     15PIN    FRONT-Y-IN
IC1507       4PIN    FRONT-C-IN
IC1507     10PIN    FRONT-VIDEO-IN
Yes
Yes
Are the video signals outputted to Pin(31) of IC1518?
Yes
Replace IC1518.
No
Check AL+12V(I) line and 
service it if defective.
Yes
Check the AL+5V(1) and AL-5V
line, and service it if defective.
Replace IC1508.
Yes
No
Is 5V voltage supplied to Pin(1) of IC1508?
Is -5V voltage supplied to Pin(7) of IC1508?
Yes
Continued to "E" on the next page.
FLOW CHART NO.10
Video E-E does not appear.
Is the video signal inputted to Pins(48) of IC301?
Check the line between Pin(20) of IC1507 and 
Pin(48) of IC301, and service it if defective.
Yes
Yes
Yes
No
Yes
Yes
Yes
No
Is the video signal inputted to Pin(5) of IC1518?
Check the line between Pin(4) of IC1508 and 
Pin(5) of IC1518, and service it if defective.
No
Yes
No
No
No
No
No
Is the C-SYNC signal outputted to Pin(67) of IC301?
Is the C-SYNC signal inputted to Pin(58) of IC501?
Is the video signal outputted to Pin(4) of IC1508?
Is 5V voltage supplied to Pins(18,24,42,55,72) of IC301?
Is the serial data and clock signal 
supplied to Pins(68,69) of IC301?
Check the P-ON+5V line and AL+5V line, 
and service it if defective.
Check the line between Pin(67) 
of IC301 and Pin(58) of IC501, 
and service it if defective.
Check the line between Pins(68,69) of IC301 
and Pins(71, 72) of IC501, and service it if 
defective.
Check the line between Pin(65) of IC301 and 
Pin(5) of IC1508, and service it if defective.
Is the video signal inputted into Pin(5) of IC1508?
Replace IC301.
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