Download  Print this page

Kenwood DV-K750 Service Manual

Cd/video-cd/dvd player.
Hide thumbs

Advertisement

CD/VIDEO-CD/DVD PLAYER
DV-K750/S700
SERVICE MANUAL
Knob
Indicator
(K29-6835-12)
(B12-0311-04)
ON / STANDBY
POWER
- ON – OFF
MIC 1
MIC 2
D.R.I.V.E.
Phone jack
(E11-0366-05)
Miniature phone jack
Oscillating module
(E11-0188-05)
(W02-1114-05)
SYSTEM
CONTROL
COAXIAL
OPTICAL
Phono jack
(E63-0199-05)
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
Knob
Dressing panel *
(K27-2449-04)
(A21-)
FL
DISPLAY
DVD/VCD/CD PLAYER DV-K750
Knob
Front glass
(K29-6835-12)
(B10-2386-12)
Phono jack
(E63-0068-15)
CENTER
L
R
SUB
MIX LINE
VIDEO
FRONT SURROUND
WOOFER
OUTPUT
OUTPUT
Phono jack *
Phono jack
(E63-)
(E63-0130-08)
© 1997-12/B51-5400-00 (K/K) 3207
Dressing panel *
Dressing panel
(A21-)
(A21-3627-12)
0
4
¢
w
Dressing panel *
Knob
(A21-)
(K29-6835-12)
Cylindrical receptacle
(E56-0014-05)
* 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.
Panel *
(A60-)
COMPACT
COMPACT
DIGITAL AUDIO
DIGITAL AUDIO
TEXT
TEXT
1
¡
SHUTTLE
8
/
7
3
Knob
(K29-6945-04)
Power cord bushing
(J42-0083-05)
AC power cord *
(E30-)

Advertisement

   Related Manuals for Kenwood DV-K750

   Summary of Contents for Kenwood DV-K750

  • Page 1 PCBs, Chassis and some others. NOTE : Please replace the mechanism PCB KENWOOD-Crop. certifies this equipment conforms to DHHS Regulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J. (W02-2626-05) with new one, if it is DANGER : Laser radiation when open and interlock defeated.
  • Page 2: Table Of Contents

    DV-K750/S700 CONTENTS/ACCESSORIES/CAUTIONS CONTENTS CONTENTS/ACCESSORIES/CAUTIONS....2 PARTS DESCRIPTION..........20 CONTROLS ..............3 PC BOARD ............... 21 DISASSEMBLY FOR REPAIR........5 SCHEMATIC DIAGRAM ........... 23 BLOCK DIAGRAM ............9 EXPLODED VIEW .............33 CIRCUIT DESCRIPTION ...........12 PARTS LIST...............36 ADJUSTMENT ............19 SPECIFICATIONS .............45 Accessories Digital cord (Orange) ..(1) Audio cord (Red, White) ..(1) AC plug adapter....
  • Page 3: Controls

    During VCD or DVD % Stop (7) key 0 MIC 1 and MIC 2 jacks (DV-K750 only) Press to return the key of the music to the original key (0) in the playback, these keys are also used in slow playback.
  • Page 4 Main unit keys with the same names as the keys on the Main unit (DV-S700) Remote control unit remote control unit have the same functions as them. 4 CD-TEXT operation keys TEXT DISPLAY key (CD) When a CD-TEXT disc is used, press to switch the character informa- tion display.
  • Page 5: Disassembly For Repair

    DV-K750/S700 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.
  • Page 6 DV-K750/S700 DISASSEMBLY FOR REPAIR 3. Traverse Unit How to Assemble 1. Loading Mechanism 1. Remove the screws fixing the plate spring, the chassis stopper and the spring. This mechanism has no order for assembling the 2. Lift the back of the traverse unit and remove it.
  • Page 7 DV-K750/S700 DISASSEMBLY FOR REPAIR 3. Loading Tray How to Replace 1. Preparation 1.Turn the tray gear to move the traverse unit at the bottom position counterclockwisely. 1. Short the pickup short lands for protecting the 2. Push the A of the rotary cam to the arrow direction.
  • Page 8 DV-K750/S700 DISASSEMBLY FOR REPAIR 2. Laser Pickup 4. Assemble 1.Remove the screws fixing the pickup. 1. Assemble the traverse unit and the pickup in the 2.Remove the screws fixing the traverse motor. reverse order of disassembly. 2. Fix the A screw and the B adjusting screw when the disc motor unit mount.
  • Page 9: Block Diagram

    DV-K750/S700 DV-K750/S700 BLOCK DIAGRAM DA/MIX/OUTPUT IC6021 (X25- ) DV-K750 ONLY SRAM MIC INPUT IC6001 IC29 IC22 47-77 IC10 (1/2) IC21 DISC (1/2) (1/2) MOTOR MIC1 DVD MECHA-MAIN P.C.B. (MAIN CBA) ELECTRIC -9.5 ARBITOR 1 BUS MASTER 1 ECC CORE IC001...
  • Page 10: Block Diagram

    DV-K750/S700 BLOCK DIAGRAM W156 W155 IC11 IC20 Q21-24 (1/2) DISPLAY MIX Lch MUTE1 MIX Rch IC11 (2/2) C623 IC609 IC602 CD-TEXT DECODER u-COM 5V CONTROL u-COM IC605 S-RAM (1/2) Q1-4 IC31 A601 IC603 D611,612 REMOTE SENSOR MUTE1 DOT DRIVER STANDBY/DVD...
  • Page 11: Circuit Description

    High level, specifications is the DV-S700. To k) VISUAL and AUDIO LIMIT : LEVEL 8 (NON LIMIT) be connected to Low level will be the DV-K750. l) PASS WORD of VISUAL and AUDIO 2. DVD disc will have the region code in it.
  • Page 12 Key input 1, 2 32,33 – – No use Model selection (H : DV-S700, L : DV-K750) 35, 36 SMUTE1, 2 Input port of shuttle switch 1, 2 SMUTE3 Output selection of 6 channel (H : yes, L : no) AVSS –...
  • Page 13 DV-K750/S700 CIRCUIT DESCRIPTION 4-3 INPUT VOLTAGE VS FUNCTION 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...
  • Page 14: Region Codes In The World

    Region codes in the world Region codes of this unit 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 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) play DVD discs unless the region codes assigned to the discs match the region code assigned to this unit.
  • Page 15 DV-K750/S700 CIRCUIT DESCRIPTION 4-6 Mute control AC-3 PORT NO. MUTE NO. PORT NAME SL/SR 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) KARAOKE ON KARAOKE OFF KARAOKE Port (#39) MUTE Port...
  • Page 16 DV-K750/S700 CIRCUIT DESCRIPTION 5. CD-TEXT DATA DECODER : LC89170M Pin Name Description EXCK Sub code IF. Shift clock interface SBSO Sub code IF. Data input port SCOR Sub code IF. Block synchro input port. WFCK Sub code IF. Frame synchro input port.
  • Page 17 DV-K750/S700 CIRCUIT DESCRIPTION 6-4 Inspection Mode (FL Display/SEL:INSPECTION) DV-K750only Function FL Display Enter INSPECTION MIC1 Set MIC1, 2 level MIC MID 4 or ¢ Select MIC1, 2 level MIC (MID íî HIGH íî LOW íî MID) Back INSPECTION MIC1 Set key con level KEY CON NATURAL 4 or ¢...
  • Page 18: Adjustment

    DV-K750/S700 ADJUSTMENT INPUT OUTPUT ALIGNMENT ITEM ALING FOR SETTING SETTING SETTING POINT DVD DISC : 100% and 75% color bar OUTPUT : Video output (composite / RCA PIN) NTSC DISC Connect the TV (WHITE) VIDEO VR3201(MAIN 100%COLOR monitor and the STILL 1.00V...
  • Page 19: Parts Description

    DV-K750/S700 PARTS DESCRIPTION...
  • Page 20: Pc Board

    PC BOARD(Component side view) AC220- AC110- 240V~ 12V~ CENTER 6CH.OUTPUT FRONT DIGITAL OUT VIDEO MIX LINE SURROUND OUTPUT OPTICAL COAXIAL SYSTEM WOOFER OUTPUT CONTROL S-VIDEO R507 R508 R181 C331 R170 R176 C188 IC504 C107 Q102 R533 R328 C134 C187 R180 C137 R136 R529 R330...
  • Page 21 LOAD-M+ IC304 : TC7SET32F 0-51 EUROPE 17.73447MHz LOAD-M- GENERAL MARKET 0-22 GENERAL MARKET 0-23 S0101 S0102 M0101 DV-K750 SIGNAL LINE (X25-603X-XX) TRAY OUT TRAY IN LOADING *NOTE : Please replace GND LINE MOTOR DESTINATION W84, W155, C72,74,209, R187,188, UNIT No.
  • Page 22 E301 18 17 +12V +12V +12V 5.0V -12V -12V -12V C111 R263 120P R133 9.1K -12V -12V IC10 +12V +12V (1/2) 4.9V +12V 11.9V IC33 -11.9V IC20 -12V SEL. IC10 IC25 LATCH (2/2) IC26 LATCH IC24 R132 R134 9.1K 9.1K 40KHz LPF R15 12K R143 1...
  • Page 23: Parts List

    X25-D/10 DV-K750 ONLY -CN601 (X25-603X-XX) (H/10) 0-21: (M) TYPE 3-01: (C) TYPE D291 C191 120P JACK IN:-4.6V R240 27K NON JACK:-11.2V IC29 +12V +12V +12V X25-B/10 MIC JACK IN:-4.1V (1/2) C189 R234 MIC NON JACK:3.8V R295 C193 -12V -12V -12V...
  • Page 24 0-22 5.6K C503 AC110-120V/ WH504 GENERAL MARKET 0-23 T500mA L250V T800mA L250V 5.6K (BLU) 6800P 220-240V~ U.K. 0-51 50/60Hz EUROPE WH503 DV-K750 (RED) AC120V (X25-603X-XX) MAIN DESTINATION -P6001 UNIT No. F3-5 R628 R629 R679 R680 R681 R682 R683 R684 C628 COUNTRY ABB.
  • Page 25 2.7V SIGNAL INTERFACE 4.5V CHECKER PROTECTION R632 1M 2.4V D606 IC605 CIRCUIT 4.0V 256K 32WORD x 8BIT IC606 2.4V 4.9V 2.4V S RAM IC606 DUAL PORT RAM CD TEXT 4.9V M-CLOCK WAVE PLASTIC TEST DV-S700(K) (2/2) DV-K750(M) (2/2) DV-K750/S700 Y22-7430-10...
  • Page 26: Exploded View

    DV-K750/S700 EXPLODED VIEW (MECHANISM:1) Parts with exploded view numbers larger than 700 are not supplied.
  • Page 27 DV-K750/S700 EXPLODED VIEW (MECHANISM:2) Parts with exploded view numbers larger than 700 are not supplied.
  • Page 28 (A/10) (30P) J 5 J 6 X25- X25(H/10) (C/10) X25- (F/10) (25P) (1/3) (11P) (11P) X25- (D/10) (2/3) (3/3) SHUTTLE S601 A601 S607 S613 MIC LEVEL MIC1 MIC2 MIC1 MIC2 S603 S604 S605 S606 S608 S609 S610 S611 S612 DV-K750...
  • Page 29: Ac Plug Adapter

    Parts No. Description Ref. No Parts No. Description nation marks ress Parts ress Parts nation marks DV-K750(M1,C) / DV-S700 (M2: REGION4, M3: REGION5) E03-0115-05 AC PLUG ADAPTER M1M2M3 E30-0505-05 AUDIO CORD AUDIO A01-3539-01 METALLIC CABINET E30-1427-05 AUDIO CORD VIDEO A09-0362-08...
  • Page 30 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 31 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 32 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 33 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 34 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 35 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 36 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 37 New Parts Parts without Parts No. are not supplied. & Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. Add- Desti- Ref. No Parts No. Description ress Parts nation marks J11-0834-08 CLAMPER G02-1655-08...
  • Page 38: Specifications

    OPTICAL ... -21 dBm~-15 dBm (Wave Length 660 nm) Input sensitivity/impedance (DV-K750 only) ............ 12.5 mV/24 kΩ (MIC 1, 2) KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. Notes Notes Notes ÷...
  • Page 39 Analog output level/impedance ....1.2 V/343 Ω Digital output level/impedance COAXIAL ..........0.5 Vp-p/75 Ω OPTICAL ... -21 dBm~-15 dBm (Wave Length 660 nm) KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. Notes Notes ÷...

This manual is also suitable for:

Dv-s700

Comments to this Manuals

Symbols: 0
Latest comments: