Sharp DV-740 (serv.man17) Service Manual ▷ View online
5
DV-740H/S(Y,F,S,R)
1. VIDEO OUT Jack
Connect a standard video cable here when connecting to a TV with a video input jack.
2. S-VIDEO OUT Jack
Connect an S-VIDEO cable here when connecting to a TV with an S-VIDEO input jack. This type of
connection provides Superior picture quality.
3. R/L AUDIO OUT Jacks
Connect standard audio cable here when connecting to a TV or audio input jack.
4. DIGITAL OUT (Coaxial) Jack
Connect a coaxial cable here when connecting to a device with a coaxial digital audio input jack.
5. AV1 (TV)(SCART1)
6. AV2 (VCR)(SCART2)
The SCART terminal can be connected to the TV set equipped with SCART connectors. The audio
transmitted on the SCART is stereo sound.
4-3 Main Unit(Rear)
DV-740H/S(Y,F,S,R)
6
5. REMOTE CONTROL UNIT
1 OPEN/CLOSE Button
2 SETUP Button
3 AUDIO Button
4 ANGLE Button
5 SUBTITLE Button
6 3D Surround Sound Button
7 MUTE Button
8 VOCAL Button
9 A - B Button
10 TITLE Button
11 Cursor Left Key
12 Volume Level Reducing Button
13 SLOW Button
14 STEP Button
15 PREVIOUS Button
16 FAST REVERSE Button
17 FAST FORWARD Button
18 NEXT Button
19 STOP Button
20 DISPLAY Button
21 Cursor Down Key
22 Volume Level Increasing Button
23 ENTER/PLAY Button
24 Cursor Right Key
25 Cursor Up Key
26 MENU Button
27 REPEAT Button
28 GOTO Button
29 Numeric Buttons
30 Zoom Button
31 PBC Button
32 PROGRAM Button
33 OPERATE Button
7
DV-740H/S(Y,F,S,R)
(AC CODE)
Ref. Part Code
Point
Description Price Code
141
9HLCP1614 -1- - -
J2
Loader to Main Board 40Pin AH
142
9HLCS1679 -1- - -
JP5
Power Board to Loader 4Pin AG
143
9HLDP1199 -1W - -
CN1-J3
Panel Board to Main Board 12Pin AD
144
9HLCP1613 -1 - - -
JP7-J1
Power Board to Main Board 14Pin AD
145
9HLWS0307 -1074
J7-CON3 Main Board to Scart Board 8Pin AF
146
9HLWS0303 -1307
J6-CON4 Main Board to Scart Board 3Pin AN
6. EXTENSION CABLE USE POINT
EXTENSION CABLE LIST
MECHANISM EXPLODED VIEW
PWB
DV-740H/S(Y,F,S,R)
8
7. SERVICE
No power
TROUBLESHOOTING FLOW CHART
Power troubleshooting
Unplug AC power cord
See flow chart F1 blown
replug it a few seconds later
out
YES
NO
Is the fuse good ?
NO
Replace fuse
YES
Is AT 5V voltage normal ?
NO
Check primary circuit
YES
Is AT -28V voltage normal ?
NO
Check D5,R16
YES
Is AT 3.6V voltage normal ?
NO
Check RG(AMS1085)
R26,R4&circuit
YES
Is JP7 pin10 base pin “H”?
NO
Check MPEG decoder U1 pin
167 AUX5 “H” and line circuit
167 AUX5 “H” and line circuit
YES
Check Q1,2,5,6,7,8,9 circuit ?
In case fuse(F1) blown out
Replace F1 check D001-004,
Check short-circuit
IC1,if poor
replace at the same time
Click on the first or last page to see other DV-740 (serv.man17) service manuals if exist.