VC-MH715 (serv.man10). Eeprom programming — Sharp VCR Service Manual (repair manual)

Model
VC-MH715 (serv.man10)
Pages
3 Few pages! See other manuals at the bottom of the first or last page.
Size
12.82 KB
Type
PDF
Document
Service Manual
Brand
Device
VCR / Eeprom programming
File
vc-mh715-sm10.pdf
Date

View Sharp VC-MH715 (serv.man10) Service Manual online

53
VC-MH705HM/LM
VC-MH815HM/LM,MH85HM
VC-MH715HM,MH835HM
REPLACEMENT OF IC710(E
2
PROM)
Servicing precautions
When the IC710(E
2
PROM) has been replaced, make the following reprogramming.
Depending on models, the IC710(E
2
PROM) has been factory adjusted for it s 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), located at the front side on the main PWB.
Be sure that all the display 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
display, referring to the E
2
PROM map.
Press the DISPLAY button to pickup the functions(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" respectively.
The numbers JP0 to JP39 are divided into four groups and each group s setting is displayed in hexadecimal notation.
JP27 JP26 JP25 JP24
1
1
0
0
C
JP23 JP22 JP21 JP20
0
0
0
0
0
JP19 JP18 JP17 JP16
0
0
0
0
0
JP15 JP14 JP13 JP12
0
1
0
0
4
JP11 JP10 JP9 JP8
0
0
1
1
3
JP7 JP6 JP5 JP4
0
0
0
0
0
JP3 JP2 JP1 JP0
0
0
0
0
0
Also recording level preset number selected from the ten keys on the remote control unit which appear in the
LCD display, referring to the E
2
PROM  map.
JP39 JP38 JP37 JP36
0
0
0
0
0
JP35 JP34 JP33 JP32
0
0
0
1
1
JP31 JP30 JP29 JP28
0
0
0
0
0
SP     n
selection from the 
ten keys.
(from "0" to "7")
EP     n
selection from the 
ten keys.
(from "0" to "7")
Out lights
blank
SP     p
selection from the 
ten keys.
(from "0" to "7")
LP     p
selection from the 
ten keys.
(from "0" to "7")
2. Memory recording preset level reprogramming.
a. Similarly to the above step 1-a  and 1-b 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 LCD display, referring to the E
2
PROM map.
3. Example :
System
p : PAL
n : NTSC
  Tape speed
LP or EP
n
         
                   
         
Chrominance preset number. (from "0" to "7")                    
        
Luminance preset number. (from "0" to "7")                    
3. Finally make for a moment short-circuit test point(TP801), located at the front side on the main PWB to clear the
TEST mode.
54
VC-MH705HM/LM
VC-MH815HM/LM,MH85HM
VC-MH715HM,MH835HM
4. Jumper setting of JP0 to JP39 in hexadecimal notation and REC current setting.
d. Example: 
c. The jumper setting in hexadecimal notation and REC current setting will be displayed on the 
    television screen (upper left). 
a. Check the power on. (Power is ON)
b. Make short circuit test point(TP801) and hold the point.
    Be sure that all the LCD display light up into the TEST mode.
YC  44220707 
VM  F8F9
NOR--
If the jumper setting is set as step 1-d, it will be displayed on television screen
like the example above.
5. Finally release the test point to return to normal screen (E-E mode).
YC   4 4   2 2   0 7   0 7
     V
  V      V
     V
SP LP
SP
EP
 
PAL
NTSC 
     V
     V
JP  003400C010
55
VC-MH705HM/LM
VC-MH815HM/LM,MH85HM
VC-MH715HM,MH835HM
ROM MAP
MODEL
MH705HM
MH715HM
MH815HM
MH835HM
MH705LM
MH815LM
MH85HM
PAL SP
46
46
46
46
46
46
46
PAL LP
26
26
26
26
26
26
26
SECAM SP
07
07
07
07
07
07
07
SECAM LP
07
07
07
07
07
07
07
IC701
iXA044WJ
iXA044WJ
iXA044WJ
iXA049WJ
iXA044WJ
iXA045WJ
iXA045WJ
JP39 A.DUB
0
0
0
0
0
0
0
JP38 NOT SLOW ATR
0
0
0
0
0
0
0
JP37 S.SIMPLE PB
0
0
1
1
0
0
1
JP36 NTPB
1
1
1
1
1
1
1
JP35 NTSC SKEW
0
0
0
0
0
0
0
JP34 HEAD 2
0
0
0
0
0
0
0
JP33 HEAD 1
1
1
1
1
1
1
1
JP32 HEAD 0
0
0
0
0
0
0
0
JP31 GAMMA
0
0
0
0
0
0
0
JP30 LOW PWR 5MIN
0
0
0
1
0
0
0
JP29 POSI84
0
0
0
1
0
0
0
JP28 R/C CODE
0
0
0
0
0
0
0
JP27 DNR
0
0
0
0
0
0
0
JP26 POST CODE
0
0
0
1
0
0
0
JP25 SAT CTL
0
0
0
1
0
0
0
JP24 AV LINK/16:9
0
0
0
1
0
0
0
JP23 Hi-Fi
1
1
1
1
1
1
1
JP22 SORT/CLOCK
0
0
0
1
0
0
0
JP21 DECODER
1
1
1
1
1
1
1
JP20 SURROUND
0
0
0
0
0
0
0
JP19 IGR
0
0
0
0
0
0
0
JP18 NICAM
1
1
1
1
1
1
1
JP17 G-CODE1
0
1
1
1
0
1
1
JP16 G-CODE0
0
1
1
1
0
1
1
JP15 EP
1
1
1
1
1
1
1
JP14 LP
0
0
0
0
0
0
0
JP13 F-AV
1
1
1
1
1
1
1
JP12 2 SCART
1
1
1
1
1
1
1
JP11 RF OUTPUT OFF
0
0
0
0
0
0
0
JP10 TUNER2
0
0
0
0
1
1
0
JP9
TUNER1
1
1
1
1
0
0
1
JP8
TUNER0
1
1
1
1
0
0
1
JP7
SYSTEM1
0
0
0
0
0
0
0
JP6
SYSREM0
0
0
0
0
0
0
0
JP5
380FF/REW
1
1
1
1
1
1
1
JP4
LOW POWER
0
0
0
0
0
0
0
JP3
OEM
0
0
0
0
0
0
0
JP2
VPS/PDC
0
0
0
1
0
0
0
JP1
COLOUR1
0
0
0
0
0
0
0
JP0
COLOUR0
0
0
0
0
0
0
0
DISPLAY
023B4A0021 023B7A0021 023B7A0023 423B7E7623 024B4A0021 024B7A0023 023B7A0023
0:LIGHT UP
1:FLASHING
55
VC-MH705HM/LM
VC-MH815HM/LM,MH85HM
VC-MH715HM,MH835HM
ROM MAP
MODEL
MH705HM
MH715HM
MH815HM
MH835HM
MH705LM
MH815LM
MH85HM
PAL SP
46
46
46
46
46
46
46
PAL LP
26
26
26
26
26
26
26
SECAM SP
07
07
07
07
07
07
07
SECAM LP
07
07
07
07
07
07
07
IC701
iXA044WJ
iXA044WJ
iXA044WJ
iXA049WJ
iXA044WJ
iXA045WJ
iXA045WJ
JP39 A.DUB
0
0
0
0
0
0
0
JP38 NOT SLOW ATR
0
0
0
0
0
0
0
JP37 S.SIMPLE PB
0
0
1
1
0
0
1
JP36 NTPB
1
1
1
1
1
1
1
JP35 NTSC SKEW
0
0
0
0
0
0
0
JP34 HEAD 2
0
0
0
0
0
0
0
JP33 HEAD 1
1
1
1
1
1
1
1
JP32 HEAD 0
0
0
0
0
0
0
0
JP31 GAMMA
0
0
0
0
0
0
0
JP30 LOW PWR 5MIN
0
0
0
1
0
0
0
JP29 POSI84
0
0
0
1
0
0
0
JP28 R/C CODE
0
0
0
0
0
0
0
JP27 DNR
0
0
0
0
0
0
0
JP26 POST CODE
0
0
0
1
0
0
0
JP25 SAT CTL
0
0
0
1
0
0
0
JP24 AV LINK/16:9
0
0
0
1
0
0
0
JP23 Hi-Fi
1
1
1
1
1
1
1
JP22 SORT/CLOCK
0
0
0
1
0
0
0
JP21 DECODER
1
1
1
1
1
1
1
JP20 SURROUND
0
0
0
0
0
0
0
JP19 IGR
0
0
0
0
0
0
0
JP18 NICAM
1
1
1
1
1
1
1
JP17 G-CODE1
0
1
1
1
0
1
1
JP16 G-CODE0
0
1
1
1
0
1
1
JP15 EP
1
1
1
1
1
1
1
JP14 LP
0
0
0
0
0
0
0
JP13 F-AV
1
1
1
1
1
1
1
JP12 2 SCART
1
1
1
1
1
1
1
JP11 RF OUTPUT OFF
0
0
0
0
0
0
0
JP10 TUNER2
0
0
0
0
1
1
0
JP9
TUNER1
1
1
1
1
0
0
1
JP8
TUNER0
1
1
1
1
0
0
1
JP7
SYSTEM1
0
0
0
0
0
0
0
JP6
SYSREM0
0
0
0
0
0
0
0
JP5
380FF/REW
1
1
1
1
1
1
1
JP4
LOW POWER
0
0
0
0
0
0
0
JP3
OEM
0
0
0
0
0
0
0
JP2
VPS/PDC
0
0
0
1
0
0
0
JP1
COLOUR1
0
0
0
0
0
0
0
JP0
COLOUR0
0
0
0
0
0
0
0
DISPLAY
023B4A0021 023B7A0021 023B7A0023 423B7E7623 024B4A0021 024B7A0023 023B7A0023
0:LIGHT UP
1:FLASHING
55
VC-MH705HM/LM
VC-MH815HM/LM,MH85HM
VC-MH715HM,MH835HM
ROM MAP
MODEL
MH705HM
MH715HM
MH815HM
MH835HM
MH705LM
MH815LM
MH85HM
PAL SP
46
46
46
46
46
46
46
PAL LP
26
26
26
26
26
26
26
SECAM SP
07
07
07
07
07
07
07
SECAM LP
07
07
07
07
07
07
07
IC701
iXA044WJ
iXA044WJ
iXA044WJ
iXA049WJ
iXA044WJ
iXA045WJ
iXA045WJ
JP39 A.DUB
0
0
0
0
0
0
0
JP38 NOT SLOW ATR
0
0
0
0
0
0
0
JP37 S.SIMPLE PB
0
0
1
1
0
0
1
JP36 NTPB
1
1
1
1
1
1
1
JP35 NTSC SKEW
0
0
0
0
0
0
0
JP34 HEAD 2
0
0
0
0
0
0
0
JP33 HEAD 1
1
1
1
1
1
1
1
JP32 HEAD 0
0
0
0
0
0
0
0
JP31 GAMMA
0
0
0
0
0
0
0
JP30 LOW PWR 5MIN
0
0
0
1
0
0
0
JP29 POSI84
0
0
0
1
0
0
0
JP28 R/C CODE
0
0
0
0
0
0
0
JP27 DNR
0
0
0
0
0
0
0
JP26 POST CODE
0
0
0
1
0
0
0
JP25 SAT CTL
0
0
0
1
0
0
0
JP24 AV LINK/16:9
0
0
0
1
0
0
0
JP23 Hi-Fi
1
1
1
1
1
1
1
JP22 SORT/CLOCK
0
0
0
1
0
0
0
JP21 DECODER
1
1
1
1
1
1
1
JP20 SURROUND
0
0
0
0
0
0
0
JP19 IGR
0
0
0
0
0
0
0
JP18 NICAM
1
1
1
1
1
1
1
JP17 G-CODE1
0
1
1
1
0
1
1
JP16 G-CODE0
0
1
1
1
0
1
1
JP15 EP
1
1
1
1
1
1
1
JP14 LP
0
0
0
0
0
0
0
JP13 F-AV
1
1
1
1
1
1
1
JP12 2 SCART
1
1
1
1
1
1
1
JP11 RF OUTPUT OFF
0
0
0
0
0
0
0
JP10 TUNER2
0
0
0
0
1
1
0
JP9
TUNER1
1
1
1
1
0
0
1
JP8
TUNER0
1
1
1
1
0
0
1
JP7
SYSTEM1
0
0
0
0
0
0
0
JP6
SYSREM0
0
0
0
0
0
0
0
JP5
380FF/REW
1
1
1
1
1
1
1
JP4
LOW POWER
0
0
0
0
0
0
0
JP3
OEM
0
0
0
0
0
0
0
JP2
VPS/PDC
0
0
0
1
0
0
0
JP1
COLOUR1
0
0
0
0
0
0
0
JP0
COLOUR0
0
0
0
0
0
0
0
DISPLAY
023B4A0021 023B7A0021 023B7A0023 423B7E7623 024B4A0021 024B7A0023 023B7A0023
0:LIGHT UP
1:FLASHING

Download Sharp VC-MH715 (serv.man10) Service Manual (Repair Manual)

Here you can view online or download Sharp VC-MH715 (serv.man10) Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair Sharp VC-MH715 (serv.man10) VCR. Information contained in Sharp VC-MH715 (serv.man10) 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).