Sharp DV-HR480H (serv.man2) Service Manual ▷ View online
13
DV-HR400S/H
DV-HR450S
DV-HR480S/H
Parts Code
Price Code
Parts name / Use
1 QCNW-C773WJZZ
AG
Main to Sub Signal Line CN3001
↔CN2202
2 QCNW-C771WJZZ
AH
Main to DVD RW Unit Control Line CN4502
↔CN9803
3 QCNW-D183WJZZ
AH
Main to Power CN3004
↔P9005
4 QCNW-D422WJZZ
AE
ATAPI cable for HDD CN4501
↔ATAPi
Extension with QCNW-C773WJZZ
Extension with
QCNW-C771WJZZ
Extension with
QCNW-D422WJZZ
Extension with
QCNW-D183WJZZ
Main PWB
HDD Unit
DVD RW Unit
Sub PWB
POWER Unit
Development for repair
2
3
4
1
5-2. EXTENSION CABLE DIAGRAM
27pin
40pin
12pin
12pin
1
2
3
40pin
4
14
DV-HR400S/H
DV-HR450S
DV-HR480S/H
Jumper Name
Jumper# DV-HR400S/450S/480S DV-HR400H/480H
AV SW IC
JP00:
0
0
NO USE
JP01:
0
0
T.Prg Lpow NG
JP02:
1
1
T.CH BCD from Host
JP03:
0
0
EPG Backlight NG
JP04:
0
0
Decoder ON NG
JP05:
0
0
NO USE
JP06:
0
0
NO USE
JP07:
0
0
NO USE
JP08:
0
0
NO USE
JP09:
0
0
NO USE
JP10:
0
0
NO USE
JP11:
0
0
NO USE
JP12:
0
0
NO USE
JP13:
0
0
NO USE
JP14:
0
0
NO USE
JP15:
0
0
NO USE
JP16:
0
0
NO USE
JP17:
0
0
NO USE
JP18:
0
0
NO USE
JP19:
0
0
NO USE
JP20:
0
0
NO USE
JP21:
0
0
NO USE
JP22:
0
0
NO USE
JP23:
0
0
NO USE
JP24:
0
0
NO USE
JP25:
0
0
NO USE
JP26:
0
0
NO USE
JP27:
0
0
NO USE
JP28:
0
0
NO USE
JP29:
0
0
NO USE
JP30:
0
0
NO USE
JP31:
0
0
NO USE
JP32:
0
0
NO USE
JP33:
0
0
NO USE
JP34:
0
0
NO USE
JP35:
0
0
NO USE
JP36:
0
0
NO USE
JP37:
0
0
NO USE
JP38:
0
0
NO USE
JP39:
0
0
Total Hex
6. ELECTRICAL ADJUSTMENT METHOD
6-1. IC501 FRONT TIMER MICON INITIAL JUMPER SETTING METHOD
Whenever EEPROM IC503 is change, please confirm lnitial Jumper Setting using below method.
Initial Jumper Setting
1).Press the power key to turn off the power. Then, enter Initial Jumper Setting mode by pressing the R/C Test key
(F8H) OR take off the front panel, and press Test key SW5005.
2).By using channel
1).Press the power key to turn off the power. Then, enter Initial Jumper Setting mode by pressing the R/C Test key
(F8H) OR take off the front panel, and press Test key SW5005.
2).By using channel
' / " key, confirm the jumper setting base on below table.
*If JP Number blinking: “1” If JP Number light ON: “0”
3).Press DVD PLAY key to change to “1” (JP Number blinking).
Press DVD STOP key to change to “0” (JP Number light ON).
4).After finish the setting and confirmation, again press the R/C Test key (F8H) OR press Test key SW5005 at the
front panel to cancel the Initial Jumper Setting mode..
5).Press Reset key at the front panel.
3).Press DVD PLAY key to change to “1” (JP Number blinking).
Press DVD STOP key to change to “0” (JP Number light ON).
4).After finish the setting and confirmation, again press the R/C Test key (F8H) OR press Test key SW5005 at the
front panel to cancel the Initial Jumper Setting mode..
5).Press Reset key at the front panel.
1 : PLAY key Blinking
0 : STOP Key Light ON
15
DV-HR400S/H
DV-HR450S
DV-HR480S/H
6-2. Notes for servicing
1. After replacing NAND Flash (IC7507), upgrade the version using the CD.
2. After replacing the Main PWB, do initialization of the HDD.
The following parts cannot be replaced as the system information needs to be written. (Replace the PWB.)
1. EEPROM IC7504
Setting procedure after replacement of HDD or main PWB
1) HDD aging
The test mode can be accessed after replacing the HDD.
[1] Enter the test mode with the keys on the main unit (press the channel DOWN key and DVD REC STOP key simultaneously).
[2] Press the “RED” color key botton of te R/C.
[3] Press the ENTER key of the R/C.
“000001” appears on the LCD of the front panel. the aging starts. The display will change to “000777” when the aging is
completed.
Should “EEE” appear, replace the HDD and start the process over. Aging takes approx. 2 hours.
[4] The aging is completed when “000777” appears, turn off the Power.
[5] Restart the unit and check the operation.
2) Factory setting
Initialize all the settings. Enter the test mode and select “INS.SHIPMENT” “ON” by using the cursor Key
(
' / " / Û / û).
Then,Press the ENTER key on the R/C.
Initialization is completed when “INS.SHIPMENT” “OK” is display on the TV screen.
Turn off the Power.
6-3. 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.
16
DV-HR400S/H
DV-HR450S
DV-HR480S/H
7. TROUBLESHOOTING
P
o
wer On Pr
ocess 1
External power supply start (AC outlet
connection)
T
urn on
TT
microprocessor IC501 and
remote control light sensor
TT
microprocessor IC501 (14 MHz) starts
to oscillate
TT
microprocessor IC501 imports
E2PROM IC503 data and communicates
This pass is followed
when backup is
retained.
T
urn on power temporarily to
perform this process.
TT
microprocessor
initialization start
IC7508 startup & communication & stop
process
Standby after
-- : --
in the LCD display flashes
DISC information
acquisition
Cancel power-saving mode
This pass is followed
when backup is not
retained.
T
urn on power with remote control
or main unit
LCD display start/HDD and DVD LED
flash
TT
microprocessor IC501 sets PCON to
ON
Cancel IC7508 reset after approximately
160 msec from PCON
Startup operation start
P
o
wer On Pr
ocess 2
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