DV-HR300H (serv.man7). Disassembly method — Sharp DVD Service Manual (repair manual)

Model
DV-HR300H (serv.man7)
Pages
4 Few pages! See other manuals at the bottom of the first or last page.
Size
243.99 KB
Type
PDF
Document
Service Manual
Brand
Device
DVD / Disassembly method
File
dv-hr300h-sm7.pdf
Date

View Sharp DV-HR300H (serv.man7) Service Manual online

9
DV-HR300S/HR350S
DV-HR300H
DV-HR300X
5. DISASSEMBLY METHOD
5-1. DISASSEMBLY METHOD
(1) Removing the top cabinet
1. Remove five screws 
1
.
2. Slide back the top cabinet by 10 mm and remove upward.
(2) Removing the panel
1. Push a protruding part shown in  a  at the bottom with a
screwdriver, etc.
2. Remove the tray decoration assembly (detach springs from
four claws on the backside of the tray).
3. Remove two screws 
and spring.
4. Pull the panel to remove as detaching from the eight claws.
(3) Removing the operation PWB and LCD PWB
1. Remove the FFC and four harnesses.
2. Remove two screws 
3
, a screw 
4
 and a screw 
5
.
3. Pull each PWB to remove.
(4) Removing the main PWB
1. Remove four screws 
6
.
2. Remove the FFC and six harnesses.
3. Remove the main PWB upward.
(5) Removing the HDD unit
1. Remove four screws 
7
.
2. Remove the HDD unit (with the angle) upward.
3. Remove four screws 
8
.
4. Remove the HDD unit.
5. Disconnect the flat cable and power cable.
1
1
1
1
1
a
3
2
5
4
6
7
7
8
8
10
DV-HR300S/HR350S
DV-HR300H
DV-HR300X
(8) Removing the UV PWB, power PWB and terminal PWB
1. Remove UV PWB upward.
2. Disconnect the connection cables from the power PWB and termi-
nal PWB.
3. Remove five screws 
r
.
4. Remove the power PWB upward.
5. Remove two screws 
t
.
6. Remove the terminal PWB upward.
7. Remove two hooks and the PWB holder in the direction of the
arrow.
8. Remove one insulation sheet, three gasket and spacer.
(7) Removing the rear terminal board and fan
1. Detach the fan cable from the main unit.
2. Remove two screws 
0
.
3. Detach the fan and fan cover.
4. Remove one screw 
q
, one screw (tuner) 
w
 and nine screws 
e
(terminals)
5. Pull the rear terminal board backward to remove.
9
10
11
12
13
14
15
(6) Removing the DVD unit
1. Remove four screws 
9
.
2. Remove the DVD unit (with the angle) upward.
3. Disconnect cables including the flat cable and power cable.
4. Remove the gasket.
11
DV-HR300S/HR350S
DV-HR300H
DV-HR300X
Parts Code
Price Code
Parts name / Use
1
QCNW-C072WJZZ
AD
Main to Sub Signal Line CN3001—S2202
2
QCNW-C073WJZZ
AD
Main to Sub Control Line CN3003
S2201
3
QCNW-C074WJZZ
AT
Main to Power  CN3004
P9005
4
QCNW-B712WJZZ
AH
ATAPI cable for HDD CN4502
ATAPi
Extension with QCNW-C072WJZZ
Extension with 
QCNW-C073WJZZ
Extension with 
QCNW-B712WJZZ
Extension with 
QCNW-C074WJZZ
Main PWB
HDD Unit
DVD RW Unit
Sub PWB
POWER Unit
Development for repair
2
3
4
1
5-2. EXTENSION CABLE DIAGRAM
25pin
21pin
12pin
12pin
1
2
3
40pin
4
12
DV-HR300S/HR350S
DV-HR300H
DV-HR300X
5-3. Notes for servicing
1. After replacing the HDD or main PWB, register the HDD-ID again.
2. After replacing I54R NOR flash (IC7502) or NAND flash (IC7509), upgrade the version using the CD.
All the data in the HDD will be formatted by replacing the main PWB unit.
1. EEPROM for I54R, IC7507 and IC7508
Setting procedure after replacement of HDD or main PWB
1) HDD installation
The unit can be started after installing the HDD, but key operation is impossible since the HDD-ID is not registered.
Perform HDD aging to register the HDD-ID.
2) HDD aging
The test mode can be accessed after replacing the HDD.
neously).
[2] Enter “4” to open the drive screen.
[3] Press the play key to enter the HDD aging mode.
“0” appears on the LCD of the front panel. It increases to 58 and then changes to “777” when the aging is
completed.
Should “EEE” appear, replace the HDD and start the process over. Aging takes approx. 2.5 hours.
[4] The aging is completed when “777” appears, and the HDD-ID is registered automatically.
If the main PWB unit is replaced, enter the test mode and press the “10/0” key on the remote control to register
the HDD-ID.
[5] Restart the unit and check the operation.
3) Factory setting
Initialize all the settings. Enter the test mode and press the “11” key on the remote control. The display stays black
during the initialization process.
Initialization is completed when the test mode appears on the LCD display following “507”.
5-4. Writing of software
1. Press the power key to turn on the power.
2. Open the tray with the tray open/close key and place the version upgrade CD.
3. Close the tray. Upgrade begins automatically.
“200” appears on the main unit display.
4. When the upgrade finishes, the tray opens and “208” appears on the main unit display.
5. Turn off the power to complete the upgrade.
• Upgrade the writer in the same way. In this case, “300” and “307” appear on the main unit display during the process.
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Download Sharp DV-HR300H (serv.man7) Service Manual (Repair Manual)

Here you can view online or download Sharp DV-HR300H (serv.man7) Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair Sharp DV-HR300H (serv.man7) DVD. Information contained in Sharp DV-HR300H (serv.man7) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).