DOWNLOAD Sharp DV-NC70H (serv.man9) Service Manual ↓ Size: 14.28 MB | Pages: 113 in PDF or view online for FREE

Model
DV-NC70H (serv.man9)
Pages
113
Size
14.28 MB
Type
PDF
Document
Service Manual
Brand
Device
DVD / Complete
File
dv-nc70h-sm9.pdf
Date

Sharp DV-NC70H (serv.man9) Service Manual ▷ View online

45
DV-NC65H/S
DV-NC70H
From (2)
SPIN OFFSET ADJUST
"DVD Menu" Key input
The tray opens.
SPIN OFFSET ADJUST
ADJUST COMPLETE
SPIN  
~~~~
Spin offset adjustment mode
(Offset adjustment of the spindle is executed automatically.)
The adjustment result is indicated in the 
~~~~ section.
PART CODE
Price Code
RUNTK0808GEZZ
CD
[ROM RENEWAL MODE]
1. A DVD itself and a personal computer are articulated as the right figure.
Software for the renewal is started more.
2. A power source is put with pushing DVD's own "Playback" Key and "Halt"
Key at the same time. (It keeps pushing it for 3 seconds.)
3. When "Y" is inputted in accordance with the personal computer display
and date transfer indication is shown and renewal process is started
normally when "Enter" Key is pushed.
4. When renewal is completed normally, it becomes POWER ON.
Personal Computer
(DOS)
DVD itself
Connect to the Audio (R) 
terminal of "Input-1".
Fixture for the ROM renewal
(RUNTK0808GEZZ)
R : OK
It is displayed.
W : STR
It is displayed.
DVD
It is displayed.
46
DV-NC65H/S
DV-NC70H
REPLACEMENT OF IC710 (E
2
PROM)
<<Servicing precautions>>
When the IC710 (E
2
PROM) has replaced, make the following reprogramming.
Depending on models, the IC710 (E
2
PROM) has been factory adjusted for its memory function.
It's therefore necessary to reprogram the memory function for the model in question.
Note that the servo circuit requires readjustments for the slow and still modes.
1. Memory function reprogramming.
a. Check the power off. (Power is standby mode.)
b. Make for moment short-circuit test point (TP801 and TP803), located at the VCR Operation PWB.
Be sure that all the VCR displays light up into the TEST mode.
c. Using the CHANNEL (+) and (-) buttons, select the right function numbers from JP0 to JP39, which appear in the VCR
LCD display, referring to the E
2
PROM map.
Press the DISPLAY button to pickup the fuctions (ON) and the CLEAR button to discard the functions (OFF).
DISPLAY and CLEAR buttons are located on the remote control unit.
* When the DISPLAY button has been pressed (ON), the memory function number starts flashing.
* When the CLEAR button has been pressed (OFF), the memory function number lights up.
d. Example: "ON" and "OFF" are taken as "1" and "0" respectedly.
The numbers JP0 to JP39 are divided into four groups and each group's setting is displayed in hexadecimal notation.
Also recording level preset number selected from the ten keys on the remote control unit which appear in the VCR LCD display,
referring to the E
2
PROM map.
2.
Memory recording preset level reprogramming.
a. Similarly to the above step 1-a and 1-d the same operate.
b. Using the CHANNEL (+) and (-) buttons,  select the right function numbers continued from recording preset number as has been
JP0~JP39, which appear in the VCR LCD display, referring to the E
2
PROM map.
c. Example:
3. Finally make for a moment short-circuit test point (TP801 and TP803), both located at the VCR Operation PWB to clear the TEST
mode.
JP0
JP1
JP2
JP3
JP4
JP5
JP6
JP7
JP8
JP9 JP10 JP11 JP12 JP13 JP14 JP15 JP16 JP17 JP18 JP19 JP20 JP21 JP22 JP23 JP24 JP25 JP26 JP27
0
0
1
0
0
1
0
0
1
1
0
1
1
1
0
1
1
1
1
0
0
1
1
1
1
0
1
0
4
2
B
B
7
E
5
JP28 JP29 JP30 JP31 JP32 JP33 JP34 JP35 JP36 JP37 JP38 JP39
0
1
0
0
0
1
0
0
1
1
0
0
2
2
3
Out lights
SP
p
*
*
LP
p
*
*
SP
n
*
*
EP
n
*
*
Blank
Selection from the
Selection from the
Selection from the
Selection from the
ten keys.
ten keys.
ten keys.
ten keys.
(from "0" to "7")
(from "0" to "7").
(from "0" to "7")
(from "0" to "7")
System
p : PAL
n : NTSC
Tape speed 
→ SP, LP or EP
n *
*
Chrominance preset number. (from "0" to "7")
Luminance preset number. (from "0" to "7")
47
DV-NC65H/S
DV-NC70H
4. Jumper setting of JP0 to JP39 in hexadecimal notation and REC current setting.
a. Check the power on. (Power is ON.)
b. Make short-circuit test point (TP801 and TP803) and hold the point.
Be sure that all the VCR LCD displays light up into the TEST mode.
c. The jumper setting in hexadecimal notation and REC current setting will be displayed on the television screen (upper left).
d. Example:
5. Finally release the test point to return to normal screen (E-E mode).
JP
003400C010
YC
44220707
VM
DBD8
NOR--
If the jumper setting is set as step 1-d, it will be displayed on television screen
like the example above.
YC
46
23
07
07
SP
LP
SP
EP
PAL
NTSC
48
DV-NC65H/S
DV-NC70H
E
2
PROM MAP
Jumper
Model Name
DV-NC65S
DV-NC65H
DV-NC70H
No.
Jumper Name
JP0
Colour0
1
0
0
JP1
Colour1
0
0
0
JP2
VPS/PDC
1
1
1
JP3
OEM
0
0
0
JP4
Low power
0
0
0
JP5
X400 FF/REW
1
1
1
JP6
System0
0
0
0
JP7
System1
0
0
0
JP8
Tuner0
0
1
1
JP9
Tuner1
0
1
1
JP10
Tuner2
0
0
0
JP11
RF_out_set_off
1
1
1
JP12
Dual scart
1
1
1
JP13
Front AV
1
1
1
JP14
LP
0
0
0
JP15
EP
1
1
1
JP16
G-CODE0
1
1
1
JP17
G-CODE1
0
1
1
JP18
NICAM
1
1
1
JP19
IGR
1
0
0
JP20
Surround
0
0
0
JP21
Decoder
1
1
1
JP22
Sort
1
1
1
JP23
Hifi
1
1
1
JP24
16:09
1
1
1
JP25
Sat_ctl
0
0
0
JP26
Post_code
0
1
1
JP27
DNR
0
0
0
JP28
R/C 1-2
0
0
0
JP29
Posi84
1
1
1
JP30
Internal_Sat_ctl
0
0
0
JP31
Gamma
0
0
0
JP32
HEAD0
0
0
0
JP33
HEAD1
1
1
1
JP34
HEAD2
0
0
0
JP35
NTSC SKEW
0
0
0
JP36
NTSC_PB
1
1
1
JP37
SQPB
1
1
1
JP38
Slow_Atr_off
0
0
0
JP39
Audio insert
0
0
0
PAL SP
46
46
46
PAL LP
23
23
23
NTSC SP
07
07
07
NTSC EP
07
07
07
DISPLAY
528BDE1223
42BB7E5223
42BB7E5223
0: LIGHT UP
1: FLASHING
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