Kenwood DV-K750 User manual

L
R
FRONT SURROUND
CENTER
SUB
WOOFER
MIX LINE
OUTPUT VIDEO OUTPUT
COAXIAL
SYSTEM
CONTROL OPTICAL
7 3
¢4
¡1
MIC 2MIC 1
POWER
-ON –OFF
ON / STANDBY
DVD/VCD/CD PLAYER DV-K750
SHUTTLE
0
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D.R.I.V.E.
DIGITAL AUDIODIGITAL AUDIO
COMPACTCOMPACT
TEXTTEXT
FL
DISPLAY
CD/VIDEO-CD/DVD PLAYER
DV-K750/S700
SERVICE MANUAL
© 1997-12/B51-5400-00 (K/K) 3207
In compliance with Federal Regulations, following are
reproductions of labels on, or inside the product relating to laser
product safety.
KENWOOD-Crop. certifies this equipment conforms to DHHS
Regulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J.
DANGER : Laser radiation when open and interlock defeated.
AVOID DIRECT EXPOSURE TO BEAM
Panel *
(A60-)
Dressing panel
(A21-3627-12)
Dressing panel *
(A21-)
Dressing panel *
(A21-)
Dressing panel *
(A21-)
Front glass
(B10-2386-12)
Phone jack
(E11-0366-05)
Knob
(K29-6835-12) Indicator
(B12-0311-04) Knob
(K27-2449-04)
Knob
(K29-6835-12) Knob (K29-6835-12) Knob (K29-6945-04)
Phono jack
(E63-0130-08)
Phono jack *
(E63-)
Cylindrical receptacle
(E56-0014-05)
Miniature phone jack
(E11-0188-05) Oscillating module (W02-1114-05) Phono jack (E63-0068-15)
Phono jack
(E63-0199-05)
Power cord bushing
(J42-0083-05)
AC power cord *
(E30-)
* Refer to parts list on page 36.
Caution : No connection of ground line if disassemble the
unit. Please connect the ground line on rear
panel, PCBs, Chassis and some others.
NOTE : Please replace the mechanism PCB
(W02-2626-05) with new one, if it is
malfunction.
DV-K750/S700(K)COVER( 98.2.216:37 y[W 2

DV-K750/S700
2
CONTENTS/ACCESSORIES/CAUTIONS
CONTENTS/ACCESSORIES/CAUTIONS...................2
CONTROLS.................................................................3
DISASSEMBLY FOR REPAIR.....................................5
BLOCK DIAGRAM.......................................................9
CIRCUIT DESCRIPTION...........................................12
ADJUSTMENT...........................................................19
PARTS DESCRIPTION..............................................20
PC BOARD ............................................................... 21
SCHEMATIC DIAGRAM ........................................... 23
EXPLODED VIEW .....................................................33
PARTS LIST...............................................................36
SPECIFICATIONS.....................................................45
CONTENTS
AC plug adapter................. (1)
(E03-0115-05)
Audio cord (Red, White).....(1)
(E30-0505-05)
Accessories
Cautions
System control cord............(2)
(E30-2733-05) Remote control unit ............(1)
RC-D0701 : A70-1192-05
RC-D0702 : A70-1193-05
RC-D0700 : A70-1198-05
Digital cord (Orange)..........(1)
(E30-2365-05)
Video cord (Yellow) ............(1)
(E30-1427-05)
Use to adapt the plug on
the power cord to the shape
of the wall outlet.
(Accessory only for regions
where use is necessary.)
Noterelatedtotransportationandmovement
Before transporting or moving this unit, carry out the following
operations.
1. Turn the unit ON but do not load a disc.
2. Verify that the display shown appears.
3. Wait a few seconds and set the unit to STANDBY mode.
N O D I S C
Beware of condensation
When the difference between the internal temperature of the unit
andexternalatmosphereislarge,dew(mist)maybeproducedonthe
internal parts of the unit. In such a case, turn the unit ON and leave
it for a few hours until the condensation has dried up.
Be especially careful in the following conditions:
Whentheunitisbroughtintoaplacewherethereisalargedifference
intemperaturebetweenthepreviouslocation,when thehumidityof
the listening room is high, etc.
Operation to reset
The microcomputer may fall into malfunction (impossibil-
ity to operate, erroneous display, etc.) when the connec-
tion cords are unplugged while unit is ON or due to an
external factor. In this case, execute the following method
to reset the microcomputer and return it to normal condi-
tion.
While holding the stop (7) key depressed, press the
POWER switch to OFF then ON again.
÷ Please be aware that resetting this unit will erase all stored informa-
tion and return it to the factory settings.
Batteries (R6/AA)................(2)
(–)
battery cover : A09-0362-08
DV-K750/S700(K)COVER( 98.2.216:37 y[W 3

7 3
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MIC 2MIC 1
POWER
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ON / STANDBY
DVD/VCD/CD PLAYER DV-K750
SHUTTLE
0
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D.R.I.V.E.
DIGITALAUDIODIGITALAUDIO
COMPACTCOMPACT
TEXTTEXT
FL
DISPLAY
168
32 4 5 7
90 ! @ # $ % ^
DVD VCD CD
P.B.C. DOLBY DIGITAL RANDOM PROG. STEREO
ANGLE REPEAT ALL KARAOKE
L R
TITLE CHAPTER TRACK CD TEXT
A B
•••••••••••••••
Mainunitkeyswith the samenamesasthekeysonthe
remote control unit have the same functions as them.
Mainunit(DV-K750)
Display
Character information display
Play and pause
indicators
DVD, VCD and CD indicators
VCDandCD informa-
tion indicators DVD information
indicators
Special playback indicators
L, STEREO and R indicators
1ON/STANDBY ( ) key
Press to turn power of the unit from on to standby or vice versa.
2Standby indicator
Lights in power standby mode and goes off in power on mode.
3Remote sensor
4FL DISPLAY key
Press to switch the displayed information contents.
5DVD indicator
Lights when a DVD disc is played.
6Disc tray
Place the disc to be played on the tray.
7Open/close (0) key
Press to open or close the disc tray.
(Whenthe unit isconnected to anothercomponent through a system
cordandis in standby mode, pressingthiskeyautomaticallyturns the
unit on and opens the disc tray.)
8SHUTTLE (1, ¡) control
Press to fast forward or reverse a track or chapter.
9POWER switch
Press to turn the power of the unit between the standby and off
modes.
0MIC 1 and MIC 2 jacks (DV-K750 only)
Connect microphones to these jacks.
!MIC 1 LEVEL ( , ) controls (DV-K750 only)
Press to adjust the microphone 1 volume.
Karaoke operation
indicators(DV-K750
only)
TEXT DISPLAY key (DV-S700 only)
During playback of a CD-TEXT disc, press to switch the character
information display.
ALL INFO. key (DV-S700 only)
During playback of a CD-TEXT disc, press to display all character
information available.
@MIC 2 LEVEL ( , ) controls (DV-K750 only)
Press to adjust the microphone 2 volume.
TITLE SEARCH key (DV-S750 only)
DuringplaybackofaCD-TEXTdisc,presstoswitchtitlesearchonand
off.
REPEAT key (DV-S700 only)
Press for repeated playback.
#Skip (4, ¢) keys
DVD or VCD: Press either key to skip chapters or locate the begin-
ning of a chapter
CD: Press to skip tracks or locate the beginning of a track.
$Still/pause ( ) key
DVD or VCD: Press during playback to freeze the video or press
during pause to advance the video frame by frame.
CD: Press to let playback pause temporarily.
%Stop (7) key
^Play (3) key
Press to play audio and video.
(Whenthe unit isconnected to anothercomponent through a system
cordandis in standby mode, pressingthiskeyautomatically turns the
unit on and starts playback.)
About the STANDBY mode
While the STANDBY indicator is lit, a small amount of power is supplied to the system to back up the memory. This is called the standby mode. Under
that condition, the system can be turned ON by the remote control unit.
DV-K750/S700
3
CONTROLS
Remotecontrolunit
1FL DISPLAY key
2POWER ( ) key
3CD, VCD and DVD operation keys
Still/pause ( ) and up (%) key
Press to move the cursor upward or let playback pause temporarily.
During VCD or DVD playback, this key is also used to freeze the video
and advance it frame by frame.
ENTER key
Pressto inputthe itemselectedwiththecursor.Thiskeyisalsousedto
startplaybackofthetrack,chapterortitleselectedwiththenumerickeys.
Fast forward(¡), fast reverse(1), SLOWandleft/right(@,#)keys
Presseither key tomove the cursorto the left orright or toplay a disc
atahigh speedintheforwardor reversedirection.DuringVCDor DVD
playback, these keys are also used in slow playback.
Down (fi) key
Press to move the cursor downward.
4CD-TEXT operation keys
TEXT DISPLAY key (CD)
When a CD-TEXT disc is used, press to switch the character informa-
tion display.
ALL INFO key (CD)
WhenaCD-TEXTdisc is used,press to display allcharacterinformation.
TITLE SEARCH key (CD)
When a CD-TEXT disc is used, press to switch the title search mode
on and off.
POWER FL DISPLAY STEREO OPEN/CLOSE
SUBTITLE ON/OFF AUDIO ANGLE
TEXT
DISPLAY ALL INFO. TITLE SEARCH CLEAR
REPEAT A-B SELECT
P.MODE
MEMORY
ON SCREEN SETUP
TITLE MENU
PREV. NEXT
RETURN
REMOTE CONTROL UNIT
RC-D0702
1 2 3
4 5 6
7 8 9 0
ENTER
0
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4
KARAOKE KEY CONTROL
ECHO
SLOW
SLOW
8
/
27
8
9
4
3
5
0
!
6
1
The remote control keys with the same names as the keys on
the main unit have the same functions as them.
5Numeric (0 to 9) keys
Pressfordirectinputoftrackandchapternumbers.WhenaCDorVCD
disc is used, press to input the track number to be searched by track
search. When a DVD disc is used, press to input the figures for title
search, chapter search or time search.
6STEREO key (DVD)
Whena DVDdiscisused,pressto switchthesurroundsetuponandoff.
7OPEN/CLOSE (0) key
8TV monitor operation keys
SUBTITLE key (DVD)
During playback of a DVD disc, press to display the subtitle language
code on the TV screen.
SUBTITLE ON/OFF key (DVD)
Duringplayback of a DVD disc,presstoswitch the subtitle on andoff.
AUDIO key (VCD, DVD)
During playback of a VCD disc, press to display the voice language
codeontheTVscreen.During playback of a DVD disc, press toswitch
the audio between STEREO, L and R.
ANGLE key (DVD)
During playback of a DVD disc, press to display the angle number on
the TV screen.
ON SCREEN key (CD, VCD, DVD)
Presstoswitch the searchpicturedisplayontheTV screen on andoff.
RETURN key (VCD, DVD)
Press to return to the previous menu.
SETUP key (DVD)
Press to display the initial setting screen.
TITLE key (DVD)
Press to display the title menu recorded in the DVD disc.
MENU key (DVD)
Press to display the DVD menu recorded in the DVD disc.
9CD, VCD and DVD operation keys
PREV. (4) and NEXT (¢) keys
Press to skip tracks or locate the beginning of a track. When a VCD or
DVD disc is used, press to select the P.B.C., skip chapters or locate
the beginning of a chapter.
REPEAT key
Press to switch repeated playback on and off.
REPEAT A-B key
Used in A-B repeated playback.
Stop (7) key
SELECT/play (3) key
Press to start playback. When a VCD disc is used, press to select a
menu in the PBC mode.
0Program operation keys
CLEAR key (CD, VCD, DVD)
Press in the program mode to clear the last track or chapter in the
program. In the memory mode, press to clear the selected memory
number. During numeric input, press to clear the input figures.
MEMORY key (DVD)
Press to store in memory a scene that you want to see later again.
P.MODE key (CD, VCD)
Press when programming tracks in the desired order.
!Karaoke operation keys (DV-K750 only)
ECHO ( , ) keys
Press to adjust the echo effect in the karaoke mode.
Flat (I) key
Press to lower the key of the music in the karaoke mode.
Natural (È) key
Press to return the key of the music to the original key (0) in the
karaoke mode.
Sharp (i) key
Press to higher the key of the music in the karaoke mode.
KARAOKE key
Press to switch the karaoke mode on and off.
DV-K750/S700(K)COVER( 98.2.216:37 y[W 6

7 3
¢
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4
¡
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1
MAIN POWER
REMOTE POWER
-ON – OFF
ON / STANDBY
DVD/VCD/CD PLAYER DV-S700
SHUTTLE
0
w∑

8
/
TEXT
DISPLAY ALL INFO. TITLE SEARCH REPEAT
D.R.I.V.E.
DIGITALAUDIODIGITAL AUDIO
COMPACTCOMPACT
TEXTTEXT
FL
DISPLAY
168
32 4 5 7
90 ! @ # $ % ^ &
DVD VCD CD
P.B.C. DOLBYDIGITAL RANDOM PROG. STEREO
ANGLE REPEAT ALL
L R
TITLE CHAPTER TRACK CD TEXT
A B
•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

Mainunitkeyswith the samenamesasthekeysonthe
remote control unit have the same functions as them.
Mainunit(DV-S700)
Display
Character information display
Play and pause
indicators
DVD, VCD and CD indicators
VCDandCDinforma-
tion indicators DVD information
indicators
Special playback indicators
L, STEREO and R indicators
1REMOTE POWER key
Press to turn power of the unit from on to standby or vice versa.
2Standby indicator
Lights in power standby mode and goes off in power on mode.
3Remote sensor
4FL DISPLAY key
Press to switch the displayed information contents.
5DVD indicator
Lights when a DVD disc is played.
6Disc tray
Place the disc to be played on the tray.
7Open/close (0) key
Press to open or close the disc tray.
(Whenthe unit isconnected to anothercomponent through a system
cordandis in standby mode, pressingthiskeyautomatically turns the
unit on and opens the disc tray.)
8SHUTTLE (1, ¡) control
Press to fast forward or reverse a track or chapter.
9MAIN POWER switch
Press to turn the power of the unit between the standby and off
modes.
0TEXT DISPLAY key
During playback of a CD-TEXT disc, press to switch the character
information display.
!ALL INFO. key
During playback of a CD-TEXT disc, press to display all character
information available.
@TITLE SEARCH key
DuringplaybackofaCD-TEXTdisc,presstoswitchtitlesearchonand
off.
#REPEAT key
Press for repeated playback.
$Skip (4, ¢) keys
DVD or VCD: Press either key to skip chapters or locate the begin-
ning of a chapter
CD: Press to skip tracks or locate the beginning of a track.
%Still/pause ( ) key
DVD or VCD: Press during playback to freeze the video or press
during pause to advance the video frame by frame.
CD: Press to let playback pause temporarily.
^Stop (7) key
&Play (3) key
Press to play audio and video.
(When the unit is connected to another component through a system
cordandis in standby mode, pressingthiskeyautomatically turns the
unit on and starts playback.)
About the STANDBY mode
While the STANDBY indicator is lit, a small amount of power is supplied to the system to back up the memory. This is called the standby mode. Under
that condition, the system can be turned ON by the remote control unit.
DV-K750/S700
4
CONTROLS
Remotecontrolunit
1FL DISPLAY key
2POWER ( ) key
3CD, VCD and DVD operation keys
Still/pause ( ) and up (%) key
Press to move the cursor upward or let playback pause temporarily.
During VCD or DVD playback, this key is also used to freeze the video
and advance it frame by frame.
ENTER key
Press to input the item selected with the cursor. This key is also used
tostartplaybackofthetrack,chapterortitleselectedwiththenumeric
keys.
Fast forward (¡), fast reverse (1), SLOW and left/right (@, #)
keys
Presseither key tomove the cursorto the left orright or toplay a disc
atahigh speedintheforwardor reversedirection.DuringVCDor DVD
playback, these keys are also used in slow playback.
Down (fi) key
Press to move the cursor downward.
POWER FL DISPLAY OPEN/CLOSE
SUBTITLE ON/OFF AUDIO ANGLE
TEXT
DISPLAY ALL INFO. TITLE SEARCH CLEAR
REPEAT A-B SELECT
P.MODE
MEMORY
ON SCREEN SETUP
TITLE MENU
PREV. NEXT
RETURN
REMOTE CONTROL UNIT
RC-D0701
1 2 3
4 5 6
7 8 9 0
ENTER
0
w∑

¡

1
¢

37
4
SLOW
SLOW
8
/
26
7
8
4
3
5
9
1
The remote control keys with the same names as the keys on
the main unit have the same functions as them.
4CD-TEXT operation keys
TEXT DISPLAY key (CD)
When a CD-TEXT disc is used, press to switch the character informa-
tion display.
ALL INFO key (CD)
When a CD-TEXT disc is used, press to display all character informa-
tion.
TITLE SEARCH key (CD)
When a CD-TEXT disc is used, press to switch the title search mode
on and off.
5Numeric (0 to 9) keys
Pressfordirectinputoftrackandchapternumbers.WhenaCDorVCD
disc is used, press to input the track number to be searched by track
search. When a DVD disc is used, press to input the figures for title
search, chapter search or time search.
6OPEN/CLOSE (0) key
7TV monitor operation keys
SUBTITLE key (DVD)
During playback of a DVD disc, press to display the subtitle language
code on the TV screen.
SUBTITLE ON/OFF key (DVD)
Duringplayback of a DVD disc,presstoswitch the subtitle on andoff.
AUDIO key (VCD, DVD)
During playback of a VCD disc, press to display the voice language
codeontheTVscreen.During playback of a DVD disc, press toswitch
the audio between STEREO, L and R.
ANGLE key (DVD)
During playback of a DVD disc, press to display the angle number on
the TV screen.
ON SCREEN key (CD, VCD, DVD)
Presstoswitch the searchpicturedisplayontheTV screen on andoff.
RETURN key (VCD, DVD)
Press to return to the previous menu.
SETUP key (DVD)
Press to display the initial setting screen.
TITLE key (DVD)
Press to display the title menu recorded in the DVD disc.
MENU key (DVD)
Press to display the DVD menu recorded in the DVD disc.
8CD, VCD and DVD operation keys
PREV. (4) and NEXT (¢) keys
Press to skip tracks or locate the beginning of a track. When a VCD or
DVD disc is used, press to select the P.B.C., skip chapters or locate
the beginning of a chapter.
REPEAT key
Press to switch repeated playback on and off.
REPEAT A-B key
Used in A-B repeated playback.
Stop (7) key
SELECT/play (3) key
Press to start playback. When a VCD disc is used, press to select a
menu in the PBC mode.
9Program operation keys
CLEAR key (CD, VCD, DVD)
Press in the program mode to clear the last track or chapter in the
program. In the memory mode, press to clear the selected memory
number. During numeric input, press to clear the input figures.
MEMORY key (DVD)
Press to store in memory a scene that you want to see later again.
P.MODE key (CD, VCD)
Press when programming tracks in the desired order.
DV-K750/S700(K)COVER( 98.2.216:37 y[W 7

DV-K750/S700
5
DISASSEMBLY FOR REPAIR
How to Disassemble
1. The disc is not coming out by pressing the open botton.
1. Remove the case and DVD disc in the unit.
2. Insert the small screw driver into the hole on
the bottom chassis.
3. Travel the rotary cam to the tray open position.
4. Travel the tray to open position by hand.
5. Remove the dress panel.
2. The Loading Tray
1. Travel the rotary cam to the tray open position.
2. Travel the tray to open position by hand.
3. Open the hooks of the tray holder and pull out it.
OPEN
CLOSE
OPEN
TRAY
CLOSE
TRAY
OPEN
TRAY
PUSH
OPEN
DV-K750/S700(K)COVER( 98.2.216:38 y[W 10

DV-K750/S700
6
DISASSEMBLY FOR REPAIR
3. Traverse Unit
1. Remove the screws fixing the plate spring, the chassis
stopper and the spring.
2. Lift the back of the traverse unit and remove it.
4. Loading Mechanism Parts
1.The loading parts is avalable without disassemble.
Refer to the followings.
How to Assemble
1. Loading Mechanism
This mechanism has no order for assembling the
loading parts.
2. Traverse Unit
1. Pass the flexible cable from the inside of the loading
base to the outside of that.
2. Insert the top of the traverse unit to the groove of the
rotary cam and fix it with screws.
CONNECTING
POINT
BELT
PULLEY
GEAR
LOADING
MOTOR
GEAR
TRAY
GEAR
ROTARY
CAM
TRAY GEAR
TRAVERSE
UNIT
LOADING BASE
TRAY GEAR
ROTARY CAM
DV-K750/S700(K)COVER( 98.2.216:38 y[W 11

DV-K750/S700
7
DISASSEMBLY FOR REPAIR
4. Clamper
1. Mount the clamper plate before assembling the
loading base to the unit.
3. Loading Tray
1.Turn the tray gear to move the traverse unit at the
bottom position counterclockwisely.
2. Push the Aof the rotary cam to the arrow direction.
3. Check the hook to be locked.
4. Load the tray to the loading base straightly.
How to Replace
1. Preparation
1. Short the pickup short lands for protecting the
damage of the statics.
2. Remove all of the flexible cables on the connection
pcb.
3. Remove screws to divide the traverse unit
TRAY GEAR
HooK
SHORT
DV-K750/S700(K)ADJ/CIR98.2.217:05 y[W 2

DV-K750/S700
8
DISASSEMBLY FOR REPAIR
4. Assemble
1. Assemble the traverse unit and the pickup in the
reverse order of disassembly.
2. Fix the A screw and the B adjusting screw when the
disc motor unit mount.
3. Fix the B screw so that the disc motor unit is at a level
with the traverse unit.
2. Laser Pickup
1.Remove the screws fixing the pickup.
2.Remove the screws fixing the traverse motor.
3. Disc Motor
1. Remove the A screw and the B screw in the order.
Note: No need to remove the laser pickup when disc
motor replace procedure.
Pickup
TRAVERSE
UNIT
B SCREW
(BLK)
DV-K750/S700(K)ADJ/CIR98.2.217:05 y[W 3

10
9
DV-K750/S700 DV-K750/S700
BLOCK DIAGRAM
IC4001
A-DEC
IC2001
SERVO PROCESSOR
DV-K750 ONLY
MIC INPUT
(X25- )
DA/MIX/OUTPUT
DESCRAMBLE
IC6301
IC3511
V-DEC
IC3501
MAIN CPU
IC6031
IC6022
IC6021
IC6001
DEM/ECC
IC7501
CD-DSP
READ CHANNEL
IC7001
PRE AMP
IC5001
IC2051
IC001
HEAD AMP
SERVO
DRIVE
DM DRIVE
IC2071
DVD MECHA-MAIN P.C.B. (MAIN CBA)
NTSC/PAL ENCODER D/A
IC3532
C+
C-
+
-
LFE+
LFE-
-
+
SL+
SL-
SR-
SR+
+
-
-
+-
-
+
-
+
-
L+
L-
R+
R-
+
-
+
--
-
-
-
-
-
-
-
+
+
+
+
2
-+ -+ -++ -
-+-+-+-+-+-+-+
+
+
-
-
+
-
-
-
-
KARAOKE CONT.
DIGITAL
8
10
-
-
47
SELECTOR
55
54
49
-
32
42
46
-
PCM
LINEAR
MPEG 1
LAYER 2
DATA I/F
2
3
AUDIO-
4
6
37
HOST I/F
23
IC4002
STREAM
IEC958 57 FORMAT
AC-3
3PWM
2
43
42
47
46
64
MPXA/D 81
74
79
75
82
DSP
D/A
CPU
I/F
90
91
62 63 12-28
MOTOR
CONTROL
SEEK
CONTROL
TIMER
DRIVE CONT.
IC1 IC23
SELECT
D.R.I.V.E.
IC9 (2/2)
HPF
HPF
IC9
(1/2)(1/2)
IC7
IC3
DAC
(2/2)
IC7
IC6
IC4
(1/2)
(2/2)
IC6
DAC
HPF
(2/2)
IC16
(1/2)
IC16
LPF
IC14
IC14
(2/2)
(1/2)
dB
-3.5
-3.5
dB
DAC
IC2
(2/2)
(1/2)
IC5
IC5
IC15
(2/2)
IC15
(1/2)
dB
-9.5
IC10
(1/2)
IC10
(2/2)
IC
KARAOKE
IC19
MIC2
MIC1
IC29
(1/2)
IC29
(2/2)
IC21
IC22
(2/2)
VOL
ELECTRIC
(1/2)
IC22
DVD MPEG 2
9
AUDIO PES PACKET
-
-
39
36
3
BUS MASTER 2
2,4-16,33-35,42-45,57-59
22
-
19
28
17
-
51
REF.CLK
8
99
9
8
8
8
BUS
BUS
DVID
RESET
SYNCHRO
BUS
BUSBUS
BUS
DECODER
I C BUS
BUS BUS
B1
CKREF
CKREF
BUS
BUSB1
BUSBUS
BUS
BUS
6
6
6
3
RESET TEST
1
0
COLOR SUBCARRIER
SYNTHESIZER
COLOR
BURST GEN CLOCK GEN
C
+
AND GAIN
MODULATOR
UIO
W1
INT
OFFSET
6MHz INT
INT
1.3MHz
1.6 OR
Q0.5MHz
DELAY
DEMUX
CB
CR
MATRIX
U10
W1
DELAY
CB
CR
Y
INT
BARS
COLOR
CR
Y
CB
CLUT
SYNC
GEN
GENERATOR
COPY PROTECTIONCLOSED-CAPTION AND
CGMS GENERATORS
10
11
9
13
14
15
12
16
-
64
59
90
89
83
82
85
86
84
87
AV
SYNC
SUB PICTURE
DECODER
DECODER
S-DRAM
VIDEO MIX
DECODER
106-159
S-DRAM I/F
17,22-26,31-39
HOST I/F
2
16
18 STREAM
SYSTEM
19
17
57
-
51
-
32
43
44
45
55
4MB
PSRAM
SRAM
IMB
202
-
200
CONTROLLER
DRIVE
CPU I/F
ARBITOR 2
EDC
DE-SCRAMBLER
CD-PRE
ECC CORE
8-16
DEMODULATOR
ARBITOR 1
47-77
BUS MASTER 1
83-113
--
152
127
124
17
20
18
36
34
38
40
39
37
122
159,168,175-191,193
CPU I/F
55 454443424140
SUBCODE
PROCESSING
26
28
29
36
CONTROL
MOTOR
37 4739
EFM
SEPARATOR
DATA
INTERPOLATION
DEMODULATOR
& MUTING ETC. 27
3
ECC
FE
TE
17
10
12
11
9
DISC MOTOR
SPEED DETECTOR
JITTER
DETECTOR
DATA SYNCHRONIZER
PLL
CONTROLLER
DETECTOR
OFFSET
RD FREQUENCY
AUTO
SLICER
EQUALIZERAGC
27
28
62
4
6
7
27
5
28
91127
33
30
43
64
48
VREFDETECTOR
HF
ENVELOPE
CONTROLLER
BALANCE
FOCUS-
DIFFERENTIAL
PHASE
DETECTORDELAYLINE
CONTROLLED
VOLTAGE-
DETECTOR
OFFTRACK
5CONTROLLER
49
AMP
AMP
74
76
75
69
73
70
AGC
POWER
LASER
DETECTOR
DROP-OUT
MOTOR
TRAVERSE
LD
ACTUATOR PD
I/V AMP
I/V AMP
I/V AMP
I/V AMP
I/V AMP
I/V AMP 24
23
21
18
20
17
4
8
6
10
12
2
20 1718
1098765
DETECTOR
DIRECTION
DETECTOR
DIRECTION
1/2PVCC1/2PVCC
DETECTOR
DIRECTIONDIRECTION
DETECTOR
26
25
1
STOP
START/
EA
ABSOLUTE
LOGIC
FG
12
DISC
MOTOR
HEAT
PROTECT
+
CD EFM
VCD MPEG 1
CORE
DE-SCRAMBLE
MATRIX HALL AMP
10
9
8
5
4
3
2
AMPAMP
LOGICAL
CIRCUIT
HALL
BIAS
IC12
(1/2)
IC12
(2/2)
PCB/SD 98.2.217:19 y[W 1

DV-K750/S700
11
BLOCK DIAGRAM
DV-S700/DV-K750
POWER SUPPLY
DISPLAY
-
-
W86W84
-
-
-
-
W155
W156
+
+
(MECHA)
12V
D503
D502
D501
5V IC501
IC503
MAIN CONT.
IC602
Q27,28
OSD CONT.
Q503-12V
IC506
12V Q502
3.3V
5V IC502
TRANSFORMER
POWER
IC504
D5V
FL-AC
V-FL
MAIN CONT. MUTE CONT. 1,2,3,4 OSD CONT. DRIVE CONT. KARAOKE CONT.
DOT DRIVER
u-COM 5V
IC605
S-RAM
KEY/SWITCH
REMOTE
STANDBY/DVD
DECODER
LED
D611,612
FL-DISPLAY
MUTE3
MUTE4
Q7,9
Q1-4
MUTE1
MUTE1
Q21-24
Y
COMP.
C
75 DRIVER
IC303
C
(2/2)
IC302
75 DRIVER
Y
(1/2)
IC302
75 DRIVER
309
C
Q306-
6dB
FILTER
Y
6dB
Q301-
305 IC301
O.S.D.
FILTER
SR
SL
CENTER
-5.0
dB SW
(2/2)
IC17
dB
-15.0
IC18
Lch
Rch
dB
-4.5
(2/2)
(1/2)
IC8
IC8
IC31
IC20
MIX Lch
MIX Rch
IC11
IC11
ED1
IC603
VFD
C623
POWER BACK-UP
IC609
CD-TEXT
CONTROL u-COM
A601
SENSOR
IEC OUT
COAX: 0.5Vp-p/75
(Wave length 660nm)
OPT: -15dBm~-21dBm
1.2V/300
1Vp-p/75
1Vp-p/75
0.286Vp-p/75
Y
COMP.
C
COAXIAL
OPTICAL
MUTE2
Q15-18
Q8,10
36
38
9BIT
D/A
9BIT
D/A
D/A
REF.
9BIT
D/A
(2/2)
(1/2)
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
DV-K750/S700(K)COVER( 98.2.216:38 y[W 14

DV-K750/S700
12
CIRCUIT DESCRIPTION
1. DV-K750 is constructed by DV-S700 and
Karaoke function.
When the port #34 of the microprocessor will be
connected to High level, specifications is the DV-S700. To
be connected to Low level will be the DV-K750.
2. DVD disc will have the region code in it.
(Refer to page 15.)
3. Initialization of unit
a) POWER : STANDBY
b) 2-CHANNEL : OFF
c) KARAOKE : OFF
d) MIC-1 VOLUME : 6
e) MIC-2 VOLUME : 6
f) MIC ECHO : 8
g) KEY CONTROL : ±0
h) MEMORY✽: NON FIX
I) PROGRAM PLAY✽: NON FIX
j) REPEAT✽: NORMAL PLAY
k) VISUAL and AUDIO LIMIT : LEVEL 8 (NON LIMIT)
l) PASS WORD of
VISUAL and AUDIO
LIMIT (DVD) : NON LIMIT
m) AUDIO OUTPUT (DVD) : ORIGINAL
n) CAPTION (DVD) : AUTOMATIC
o) DISC MENU (DVD ) : ENGLISH
p) TV SCREEN (DVD) : LETTER BOX
q) OSD display : ON
r) CENTER CHANNEL : ON
s) SUB-WOOFER CHANNEL : ON
t) SURROUND CHANNEL : ON
✽non backup
4. Main microprocessor : HE643339A48F.
4-1 Block diagram
(X25) ED1
(X25) IC
CE
DI
CL
CS
SIN
SCLK
SCLK1
RxD1
IRQ2
SCK0
TxD0
TxD1
RxD0
IRQ1
IRQ0
AN 0, 1
AN2
D0~D7
A0~A15
DV-S700 /
DV-K750
RD, WR
4 ANALOG MUTE
SUBW, AC-3, KARAOKE
DVD LED
POWER
AS
BUSY, DATA
READ / WRITE
DATA
Address
BANK
IFL
STB
IFS, IFD
CK, DATA
3
2
2
8
16 3
2
2
SCLK
SRDT
DQST
DSPSCLK
CMD
STATUS
READY
2
2
(X25) IC301
(X25) IC604 (X25)
IC602
(X25) J1
(X25) IC605
(X25) IC19
(X25) IC21
(X25) S613
(W02) IC6031
(X05) A601
(X25) IC603
FL DISPLAY
VFD Display
ON SCREEN DISPLAY
CD TEXT DECODER
MECHA MAIN u-COM
VFD DOT DRIVER
LC75710N
MB90089FP-188
LC89170M
MN1020819N2C HD6433397A48F
MAIN u-COM
OTHER CIRCUIT
SYSYTEM CONTROL
HM62256BLFP-8T
TC9409BF
TC9210P
SRAM
KARAOKE
ELECTRIC VOL.
SHUTTLE SW(JOG DIAL)
REMOTE SENSOR
KEY BOARD
REGION CODE/MODEL
OUTPUT
DV-K750/S700(K)COVER( 98.2.216:38 y[W 15

DV-K750/S700
13
CIRCUIT DESCRIPTION
No Pin Name I/O Description
1 /RESET I Input port of microprocessor reset
2,3 X/ETAL I / O Port of ceramic oscillator
4,5 MD0 / 1 I Operation mode 0 and 1
6 /NMI – No use
7 /STBY – No use
8 VCC – Power supply (+5V)
9 M-SCLK O Output port of clock signal to the main processor (DSPSCLK)
10 M-STAT O Input port to the main microprocessor (SRDT)
11 M-CMD O Output port to the main processor (DQSY)
12 VSS – GND
13 POW.LED O Standby LED (H : standby)
14 – – No use
15 /RAM-CS O Access mode of extra-address ( / CS)
16 /RAM-WR O Read mode of extra-address ( / WE)
17 /RAM-RD O Write mode of extra-address ( / OE)
18 /REMOTE I Input port of remote signal
19 /M-READY I Ready/resend signal to the main microprocessor
20 /T-DQSY I Input port of read signal from CD-TEXT IC (DQSY)
21 SBUSY I/O Synchro busy signal (BUSY)
22 SDATA I/O Synchro data signal (DATA)
23 DVD LED O DVD LED (H : light, L : dis-light)
24 POWER O Power LED (H : ON, L : OFF)
25 MUTE 4 O Mute 4, analog mute (SW)
26 MUTE 3 O Mute 3, analog mute (C)
27 MUTE 2 O Mute 2, analog mute (SL / SR)
28 MUTE 1 O Mute 1, analog mute
29 AVCC – A/D standard voltage
30,31 KEY I Key input 1, 2
32,33 – – No use
34 SET I Model selection (H : DV-S700, L : DV-K750)
35, 36 SMUTE1, 2 I Input port of shuttle switch 1, 2
37 SMUTE3 I Output selection of 6 channel (H : yes, L : no)
38 AVSS – GND
39 KARA O KARAOKE output (H : on, L : off)
40 SUBW O Sub woofer output (H : on, L : off)
41 AC3 O AC-3 output (H : on, L : other)
42 IFL2 O Latch signal of serial control to electronics volume IC (TC9210P) (STB)
43 IFL1 O Latch signal of serial control to KARAOKE IC (TC9409BF) (IFL)
44 IFD O Serial data output to electronics volume IC and KARAOKE IC (DATA, IFD)
45 IFS O Serial clock output to electronics volume IC and KARAOKE IC (CK, IFS)
46 BANKA O S-RAM bank selection A
47 VCC – Power supply (+5V)
48 CE I Chip enable port
49-52 A14-11 I No use
53-55 A10-8 O S-RAM access bus address
56 VSS – GND
57-64 A7-0 O S-RAM access bus address
65-72 D0-7 I/O S-RAM access bus data
73 VSS – –
74,75 BANK B,C O S-RAM bank select b, c
76 VFD-CE O VFD display IC serial control latch (CE)
77 OSD-CS O OSD display IC serial control latch (STB)
78 OSD/VFD-SD O OSD display IC/VFD display ic serial data output (SIN / DI)
79 T-SRDT I CD-TEXT IC data input (SRDT)
80 VFD-CL O CD-TEXT/OSD/VFD IC serial clock (SCLK / SCLK / CL)
4-2 Pin description.
DV-K750/S700(K)ADJ/CIR98.2.217:05 y[W 6

DV-K750/S700
Judgement Circuit design Port #30 Port #31(DV-S700) Port #31(DV-K750)
voltage voltage
4.58V 4.13V PLAY(S612) TEXT DISPLAY(S603) MIC1 DOWN(S603)
3.75V 3.33V STOP(S611) ALL INFO(S604) MIC1 UP(S604)
2.29V 2.50V STILL/PAUSE(S610) TITLE SEARCH(S605) MIC DOWN(S605)
2.08V 1.64V SKIP UP(S609) REPEAT(S606) MIC UP(S606)
1.25V 0.88V SKIP DOWN(S608) FL DISPLAY(S602) FL DISPLAY(S602)
0.42V 0.00V OPEN/CLOSE(S607) POWER(S601) POWER(S601)
14
CIRCUIT DESCRIPTION
AREA CODE COUNTRY / AREA REGION CODE VIDEO OUT(DVD) VIDEO OUT(VIDEO CD)
0 JAPAN 2 NTSC=NTSC, PAL=IMPOSSIBLE TO
PLAYBACK NTSC=NTSC, PAL=NTSC
1 NORTH AMERICA 1 NTSC=NTSC, PAL=IMPOSSIBLE
TO PLAYBACK NTSC=NTSC, PAL=NTSC
2 EUROPE 2 NTSC=CONVERTED PAL,
PAL=PAL NTSC=CONVERTED PAL, PAL=PAL
3 SOUTHEAST ASIA 3 NTSC=NTSC, PAL=PAL NTSC=NTSC, PAL=PAL
4 RUSSIA 5 NTSC=CONVERTED PAL,
PAL=PAL NTSC=CONVERTED PAL, PAL=PAL
5 OCEANIA 4 NTSC=CONVERTED PAL,
PAL=PAL NTSC=CONVERTED PAL, PAL=PAL
6 MIDDLE AND NEAR EAST 2 NTSC=NTSC, PAL=PAL NTSC=NTSC, PAL=PAL
7 SOUTH AMERICA 4 NTSC=NTSC, PAL=IMPOSSIBLE TO
PLAYBACK NTSC=NTSC, PAL=NTSC
8 CHINA 6 NTSC=NTSC, PAL=PAL NTSC=NTSC, PAL=PAL
4-3 INPUT VOLTAGE VS FUNCTION
4-4 Country code vs video output
DV-K750/S700(K)ADJ/CIR98.2.217:06 y[W 9

DV-K750/S700
DVD discs that can be played with this unit
Thisunit can playaDVDdisconly when thedisccarriesthesame code astheregioncodeof thisunitshownintheabove table,whenit carries anindication
including the region code of this unit or when it carries the ALL indication shown below. Even when a disc does not have any region code indication, it
may not always be playable with this unit due to a certain limitation.
Regioncodesofthisunit
A DVD player has a region code assigned to it depending on the country or area where it is used. As a result, this unit cannot
play DVD discs unless the region codes assigned to the discs match the region code assigned to this unit. See following table
for details. (As of October 1997)
ALL
Region Code of
This unit Assigned Countries or Areas
1
2
3
4
5
6
Canada, United States, American Samoa, Bermuda, Johnston Island, Midway Islands, Puerto Rico, St.Pierre and
Miquelon, United States Virgin, Wake Island
Albania, Andorra, Austria, Bahrain, Belgium, Bosnia and Herzegovina, Bulgaria, Croatia, Cyprus, Czech, Denmark,
Egypt, Finland, France, Germany, Greece, Hungary, Iceland, Iran, Iraq, Ireland, Israeru, Italy, Japan, Jordan, Kuwait,
Lebanon, Lesotho, Liechtenstein, Luxembourg, Macedonia, Malta, Monaco, Netherlands, Norway, Oman, Poland,
Portugal, Qatar, Pomania, San Marino, Saudi Arabia, Slovakia, Slovenia, South Africa, Spain, Swaziland, Sweden,
Switzerland, Syrian Arab Republic, Turkey, United Arab Emirates, United Kingdom, Vatican City State, Yemen,
Yugoslavia, Channel Islands, Faeroe Islands, Gibraltar, Greenland, Isle of Man, Svalbard and Jan Mayen Islands
Brunei Darussalam, Cambodia, Indonesia, Korea, Laos, Malaysia, Myanmer, Philippines, Singapore, Thailand, Viet
Nam, East Timor, Hong Kong, Macau, Taiwan
Antigua and Barbuda, Argentina, Australia, Bahamas, Barbados, Belize, Bolivia, Brazil, Chile, Colombia, Costa Rica,
Cuba, Dominica, Dominican Republic, Ecuador, El Salvador, Fiji, Grenada, Guatemala, Guyana, Haiti, Honduras,
Jamaica, Kiribati, Marshall Islands, Mexico, Micronesia, Nauru, New Zealand, Nicaragua, Palau, Panama, Papua New
Guinea,Paraguay,Peru,SaintChristopherandNevis,SaintLucia,SaintVincentandtheGrenadines,Samoa,Solomon
Islands,Suriname, Tonga, Trinidadand Tobago, Tuvalu,Urguay, Vanuatu, Venezuela, Anguilla, British Virgin Islands,
Cayman Islands, Christmas Island, Cocos Islands, Cook Islands, Falkland Island, French Guiana, French Polynesia,
Guadeloupe, Guam, Martinique, Montserrat, Netherlands Antilles, New Caledonia, Niue Norfolk Island, Northern
Mariana Islands, Pitcaim, Tokelau, Turks and Caicos Islands, Wallis and Futuna Islands
Afganistan, Algeria, Angola, Armenia, Azerbaijan, Bangladesh, Belarus, Benin, Bhutan, Botswana, Burkina Faso,
Burundi, Cameroon, Cape Verde, Central Africa, Chad, Comoros, Congo, Cote d’lvoire, Djibouti, Equatorial Guinea,
Eritrea, Estonia, Ethiopia, Gabon, Gambia, Georgia, Ghana, Guinea, Guinea-Bissau, India, kazakhstan, Kenya, Kyrgyz
Republic, Latvia, Liberia, Libya, Lithuania, Madagascar, Malawi, Maldives, Mali, Mauritania, Mauritius, Moldova,
Mongolia, Morocco, Mozambique, Namibia, Nepal, Niger, Nigeria, North Korea, Pakistan, Russia, Rwanda, Sao Tome
and Principe, Senegal, Seychelles, Sierra Leone, Somalia, Sri Lanka, Sudan, Tadzhikistan, Tanzania, Togo, Tunisia,
Turkmenistan,Uganda, Ukraine, Uzbekistan,Zaire, Zambia, Zimbabwe,British Indian Territory,Jammu and Kashmir,
Mayotte, Reunion, St.Helena ex.dep., Western Sahara
China
CIRCUIT DESCRIPTION
15
4-5 Region MAP
1
2
4
1
5
4
5
2
1
2
6
3
Regioncodesintheworld
Limitation depending on discs
Some DVD and VCD discs have the playback condition assigned for them by the intention of the software producers. As this unit plays discs according
to the intention of the software producers, some functions may not occur according to your control. Be sure to read the instructions provided with the
discs played with this unit. When the “!” marking is shown on the TV screen connected to this unit during playback, the playback is under the limitation
described above.
The region codes of DVD players are assigned according to the areas where they are marketed, as shown in the following map.
(As of October 1997)
DV-K750/S700(K)ADJ/CIR98.2.217:06 y[W 10

DV-K750/S700
CIRCUIT DESCRIPTION
16
4-7 SERIAL CODE
CODE CONTENT DATA OUTPUT OUTPUT CONDITION DVD REMEDY
0133 One Touch
Operation(OTO) Receiver Receiver will turn on when receiving
the OTO code after 4sec . DVD will playback or open/close after receiving the code.
0126 Sel 6ch Input Receiver - DVD will playback when loading
the disc.
0127 Sel DVD(2ch) Receiver - DVD will playback when loading
the disc.
01A6 Position 6ch Input Receiver “With selecting 6ch input of receiver,receiver will receive
the code of on” DVD will memorize 6ch mode
of selector
01A7 Position DVD Receiver “With selecting DVD input of receiver,receiver will receive
the code of on” DVD will memorize DVD mode
of selector
080E Timer Playback
DVD(2ch) Receiver Receiver will turn on when selecting
the timer playback of DVD. DVD will playback when loading
the disc.If not , DVD will send stop
code to the receiver.
080F Timer Playback6ch
Input Receiver Receiver will turn on when selecting
the timer playback of 6ch. DVD will playback when loading the
disc.If not , DVD will send stop
code to the receiver.
1C11 DVD Power On DVD DVD turns on. -
1C12 DVD
Playback (2ch) DVD a)DVD will change Stop or
Pause to Play mode.
b)DVD code(Stop or Pause to Play)
of receiver will be sent to DVD -
1C13 DVD Stop DVD a) DVD will receive Stop code.
b)DVD will stop to playback. -
1C14 DVD Pause DVD DVD will receive the code Play to
Pause mode. -
1C16 DVD Playback (6ch) DVD DVD will receive the code of Play 6ch. -
1C17 One Touch Operation(OTO)
DVD DVD “In Power off mode, DVD will be
pushed Play or Open/Close key”
When pressing Play key,
DVD playbacks after receiving
OTO code. When pressing the
Open/close key,DVD will not accept
the OTO code.
H=MUTE OFF/L=MUTE ON\
ST=STEREO
PCM=PCM 2CH ONLY
Mute1(#28) will output the waveform as follows with linking KARAOKE port(#39)
DVD
AC-3
PORT NO. MUTE NO. PORT NAME ST PCM CD
27 2 SL/SR L L L L H H H H L L L
26 3 C L H L H L H L H L L L
25 4 SW L L H H L L H H L L L
KARAOKE Port
(#39)
MUTE Port
(#28)
KARAOKE OFFKARAOKE ON
500m / s
4-6 Mute control
DV-K750/S700(K)ADJ/CIR98.2.217:06 y[W 13

DV-K750/S700
CIRCUIT DESCRIPTION
17
No. Pin Name I/O Description
1 EXCK I Sub code IF. Shift clock interface
2 SBSO I Sub code IF. Data input port
3 SCOR I Sub code IF. Block synchro input port.
4 WFCK I Sub code IF. Frame synchro input port.
5 MCK I Clock input port(16.9344MHz)
6 XMODE I System reset and Power down mode setting port
7 GND – GND
8 TEST I Test port
9 SW1 I EXCK I/o select port(L:clock output/H:clock input)
10 SW2 I EXCK clock pulse width select port(L:double/H:normal)
11 SCLK I Microprocessor IF.Shift clock input port
12 SRDT O Microprocessor IF.Data output port
13 DQSY O Microprocessor IF.Read permit port
14 VDD – Power supply
5. CD-TEXT DATA DECODER : LC89170M
✽F : FRONT / C : CENTER/R : REAR / S : SUB WOOFER
= Remote power
6. TEST MODE 6-1 Key Function
6-2 Display Mode (FL display/SEL : INDICATE)
6-3 inspection Mode (FL Display/SEL : INSPECTION)
SETTING While pressing the 3w / 8(STILL/PAUSE)key,push
the POWER (or MAIN POWER).
CANCEL Push the STOP (7) key
Key Function
4or ¢Selector
‰Enter
7Cancel or Back (Return)
No. Key Function FL Display
13Enter SEL:DOT
23Enter NIAGARA(all dots light)
37Back SEL:DOT
44or ¢Select(DOT or SEG) SEL:SEG
53Enter NIAGARA(all dots and segments light)
64or ¢Select( all light or all off) SEG ALL OFF
77Back SEL:SEG
87Back SEL:INDICATE
No. Key Function FL Display
13Enter INSPECTION
2 FL DISPLAY Show area code AREA 0
37Back INSPECTION
4 Set AC-3 mute on AC3 AUTO
53Mute channel (auto mode) F îC îR îS îF✽
67Back INSPECTION
7 Set AC-3 mute on AC3 AUTO
84or ¢Select AC-3 auto or manual mode AC3 MANU
93Enter AC3 MANU FRONT
10 4or ¢Mute channel F íî Cíî Ríî Síî F✽
11 7Back INSPECTION
12 7Back SEL:INSPECTION
DV-K750/S700(K)ADJ/CIR98.2.217:06 y[W 12

DV-K750/S700
CIRCUIT DESCRIPTION
18
No. Key Function FL Display
13Enter INSPECTION
2 MIC1 Set MIC1, 2 level MIC MID
34or ¢Select MIC1, 2 level MIC (MID íî HIGH íî LOW íî MID) ✽
47Back INSPECTION
5 MIC1 Set key con level KEY CON NATURAL
64or ¢Select key con level KEY CON (NATURAL íî SHARP íî FLAT íî NATURAL ) ✽✽
77Back INSPECTION
Load the DVD disc on the tray and push the close key
8 MIC2 Jump to track 1 INSPECTION
Remove the DVD disc on the tray
9 MIC2 Set echo level ECHO MID
10 4or ¢Select echo level ECHO (MID íî HIGHíî LOWíî MID) ✽✽✽
11 7Back INSPECTION
12 7Back SEL:INSPECTION
13 7Cancel NO DISC
6-4 Inspection Mode (FL Display/SEL:INSPECTION) DV-K750only
✽HIGH:0dB/MID:-6dB/LOW:MIN
✽✽ NATURAL:0cent/SHARP:600cent/FLAT:-600cent”
✽✽✽ HIGH:15/MID:8/LOW:0
6-5 NIAGARA Display
: ON : OFF
• Figure in odd number.
Initial : 7.7î=î1î7every change is 200m/s
• Figure in even number
Initial : 1.1î=î1every change is 200m/s
DV-K750/S700(K)ADJ/CIR98.2.217:06 y[W 15

DV-K750/S700
ADJUSTMENT
19
No. ITEM INPUT
SETTING OUTPUT SETTING DVD SETTING ALIGNMENT POINT ALING FOR FIG
DVD DISC : 100% and 75% color bar
OUTPUT : Video output (composite / RCA PIN)
NTSC
1VIDEO
LEVEL(Y) DISC
100%COLOR
BAR
Connect the TV
monitor and the
oscilloscope STILL VR3201(MAIN
CBA) (WHITE)
1.00V
±0.05Vp-p (a)
2VIDEO
LEVEL(C) DISC
75%COLOR
BAR
Connect the TV
monitor and the
oscilloscope STILL VR3202(MAIN
CBA) (CYAN)
0.7V
±0.02Vp-p (b)
PAL
1VIDEO
LEVEL(Y) DISC
100%COLOR
BAR
Connect the TV
monitor and the
oscilloscope STILL VR3201(MAIN
CBA) (WHITE)
1.00V
±0.05Vp-p (a)
2VIDEO
LEVEL(C) DISC
75%COLOR
BAR
Connect the TV
monitor and the
oscilloscope STILL VR3202(MAIN
CBA) (CYAN) 0.66V ±0.02Vp-p (b)
WHITE
BURST BURST
NTSC PAL
1.00V
±0.05Vp-p 1.00V
±0.05Vp-p
NTSC PAL
0.7V
±0.02Vp-p 0.66V
±0.02Vp-p
100% COLOR BAR (oscilloscope) 75% COLOR BAR (oscilloscope)
COLOR BAR (TV)
(a) (b)
CYAN
WHITE
CYAN
MAIN C.B.A
(COMPONENT SIDE)
DV-K750/S700(K)ADJ/CIR98.2.217:06 y[W 14

DV-K750/S700
PARTS DESCRIPTION
20
DV-K750/S700(K)ADJ/CIR98.2.217:07 y[W 16

1
1
3
25
69 1
12
MIC 1
MIC 2
1
5
1
3
EB
BE
B
BE
E
B
E
4
IGO
1
15
13
7
1
1
1
5
3
AC110-
12V~
POWER
S-VIDEO
SHUTTLE
VIDEO
OUTPUT MIX LINE
OUTPUT
CENTER
AC220-
240V~
L
R
SUB
WOOFER
6CH.OUTPUT
SURROUND
FRONT
OPTICAL COAXIAL SYSTEM
CONTROL
DIGITAL OUT
4
1
5
8
IC506
4
1
5
8
IC303
41
5
8
IC302
41
58
IC22
33 23
1
44
34
12
22
11
IC19
45 31
1
60
46
16
30
15
IC1
8
5
14
13
IC17
IC32
31
IC601
85
14
IC14
85
14
IC12
85
14
IC11
85
14
1
8
16
9
IC10
916
81
IC31
IC20
13
24
12
1
IC2
13
24
12
1
IC4
13
24
18
169
814
71
1
12
IC3
IC23
9
814
71
1
35
4
16
8
1
IC25
IC33
IC28 1
35 4
IC30
IC26
1
8
16
9
IC18
85
1
4
IC15
5
8
4
1
IC8
85
14
IC9
85
1
4
IC16
85
14
IC6
85
14
IC7
85
14
IC5
EB
Q293
EB
Q501
D291
R236
R238
R517
R294
R299
R293
IC301
IC304
BE
Q312
E
B
Q23
E
B
Q21 E
B
Q24
E
B
Q22
E
B
Q25 E
B
Q10 E
B
Q8 E
B
Q9 E
B
Q17
E
B
Q15 E
B
Q18
E
B
Q16 E
B
Q3 E
B
Q1 E
B
Q4 E
B
Q2
B
E
Q101 B
E
Q102
B
E
Q103
BE
Q100
E
B
Q7
E
BQ26
BE
Q311
BE
Q305
BE Q304
BE
Q303
BE Q302
B
E
Q31
B
E
Q34
B
E
Q33
B
E
Q601
BE
Q301
BE
Q32
BE
Q307
BE
Q306
B
E
Q308
BE
Q309
D10
D8
R324 R326
R332
R333
R335
R336
C359
R349
C358
R348
R347
R619
R620
R613
C644 C643
C642
C641 C640
C638
C639
C637 C636
C635
C634 C633 C632
C630 C629 C631
R704 R707 R705 R706
C605
R640
C651
R672
R635
R634
R673
R674
CN602
R695 R694
R693
R692 R627
R730
C626
R632
R725
R201 R200
R202
C100
C99
C76C75
C121 R248
C110
C109
C56
C32
C26C25
C48C47
C78
C67
R37 R35
R73
R65
R67
R274
C202
R178
R275
C143
C251
R183
C201
C45
R43
C35
C37
C21
R9
C13
C15
C46
R44 C36R38
R36
C152
R1 R3 R2
R4
C38
C22
C151
C150
C149
C148
C83R272R271
R10
C16
C14
C68
R74 C60
C62
C289
R66
R68
C77 C240
C223C222
C31
C55
R245
R247
C122
C92
C91
C93
C89
R212 C168
R216
R214
C169
R215
R213
C167
C159
C160
C156 C155
C355
C350
R303
54
13
15
28
14
1
C357
C356 R203
R267
R268
C241
C243
C106 C105
R224 R90
C79
C351
R312
R316
C179
40 21
61
60
41
1
13
4
5
7
14 8
11
1
80
1
20
IC602
IC606
IC604
C165
R210
R209
R163
R159
R164
R160 R167
X2
R124 R120 R123
R119 R61 R57 R62 R58 R31 R27
R32
R28
C128
R136
C127
C242
C244
C248 C250
C247 C249
C221
C238
R78
R269
R270
C34
R273
C82
C212
C211
L6
R99
W1
C72
R233
C74
R169
C180
R344
R352
C343
R342
R340
C342
R630
R637
R661 R659
X601
R709
R626
R710
R660
R662
R663
R339
R343
R317
R309
D518
D303
D304
D306
D307
D305
D601
D605
D604
D615 D614 D613
D600
D14
D15
C207
R631
C603
R504
R518
R514
C515
C521
R526
R350
R351
R345
C346
R308
R301
C307
R357
R356
C316
C315
R359
C229 C227 C228 R191
R193 R195 R197 C158
R199
R198
R205
C181
C224
R154
C171
C184 C185
C308
C182
C183
C129
R135
R165
R161
R157 C130
R166
R162
R158
C131
R168
R48
C108
R126
R122
R118
R125
R121
R117
R63
R59
R55
R64
R60
R56
R33
R29
R25
R34
R30
R26 R171
R177
R254
C28
R20
R16
R18
C138
R179
R12 C20
R6
C18
R8
R94
R92
R182
C246
C136
C186
R103
R102
R175 C133 R173
C135 R172
R174
R262
C103
R115
R114 R113
R265
C123
R151
R145
R147
R255 R256
C73
R88 R87
R86 R85
R260
C94 C90
R106
R108 R259 R107
C97
C96
R76
R75 C65 R71
C63
R69
R95
R97
C59 C61
R242
R219
R220
R221
R222
R223
C210
C209
C213 C214 C215 C147
C146
C144 C145 C140
C142
C3
C4
R229
R91
R93
R7
C17
R5
C19
R11
R17
R15 R19
C27
R253
R129
R131
R133
C111
R263 R264
C112
R134
R132 R130
R51
R257
R49 C51
C49
R45 C41 R41
C39 R39
R139
R141
R52
R258
R50
C52 C50
R46 C42
R42
C40 R40
R142 R140
C8
C7
C200 C203
C66 R72
C64
R70
R96
R98
R105
R111 R110
R148
R146
R152
C124 R266
R246
C71
R82
R79 R81
R80
R189 R188
C154
C153
C157
R196
R194 R192
R190
R244 R243
R306
C333
R346
C325
C318
R531
R501
R502
R528
R521 R519 R520
R700
R699
R643 R646
C652
R636
R645
R644 R647
R654 R652
R648
R641
C601
R649 C602
R731
C648
C647
C646
C650
R633
R507
R525
R504
R506
R503
R510
R527
R509
C524
C525
R522
R511
R534
R530
R532
C509
R505
R513
R512
R535
R529 15
R533
R508
C331
R328
R330
C332 C338
R337
R338
R307
R334
R305
R304
R302
C361
C303
C302
C301
C304
R329
R331
R327
R325
C321
C320
C319
C354
C345
C341
R353
R354 R319
R358 R310 C309
C310 C311
R360
R311 R313
R314
R315
R318
C164
R208
R104 R101 R218 C80
R230
C206
R232
C11
C12
W89
W84
C239
R181
R180 C137 C187
C188
R170
R14
C34
C33R13
C57 R23 R24
C58
R47
C107
C132
R176
C134
C245
R77
R143
814
7
IC27
1
814
7
IC24
1
C204
C205
R231
R187
C166
R211
W155
C176
C175
C178
R249
C230
C226 R144
R153
C225
C233
C231
C234
C232
W156
C313
C312
R355
C322
R323
C352
C353
R708
C645
R665
R703
R639
R642 R702
R701
R651
C608
C606
C607
C624
R676
R606
R664
R608
R609
R607
R612
R610
R727
C614
R686
R690 R617
R688 R615
R691 R618
R689 R616
R687 R614
R682 R680
R628
R629
R666
R678
C609
R679
C610
R611
R729
R675
R604
R603
R602
R601
R677 C625
R655
R605
C604
C627
R711
R668
R667
R671
R670
R669
R728
R625
R624
R623
R622
R726
R684
R685 R683 R681
R657 R658
R621
R653
R656
C628
R698 R697 R696
C617
C613
C611
C612
C649
R650 R638
R292
C189 R234
R240
C191
C193
C190
B
E
C208
R291
R235
R295 R296
C197
R297 R298
R239
4
1
5
8
R237
R241
C192
C194
IC29
IC603
IC605
D602
D603
Q291
BE
Q292
BE
Q504
BE
Q19
B
E
Q27
BE
Q13
BE
BE
Q14
BEQ28
B
E
E
B
Q314
Q310
BE
Q11
BE
Q12
BE
Q20
BE
Q5
BE
Q6
B
B
E
E
Q604
Q602
B
E
Q603
D11
D617
D16
D3
D9
D5
D2
Q313
D301
D6
D7
D616
D606
D510
D505
D302
D608
D610
D609
D607
D511
D512
D520
D517
D521
D522
D513
D519
D523
D506
D13
D1
D12
IC504
1
114
28 15 IC607
17
14 8
16
48
33
17
32
64
49
ACEGIBDFHJ
2
1
3
5
7
4
6
Refer to the schematic diagram for the value of resistors and capacitors.
PC BOARD(Component side view)
21 22
PCB/SD 98.2.610:03 y[W 2