Aiwa XD-DV290K Service Manual
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Aiwa XD-DV290K Service Manual

Aiwa XD-DV290K Service Manual

Aiwa xd-dv290 dvd player service manual
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SERVICE MANUAL
DVD PLAYER
This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
K<B>:(S/M Code No.09-99C-337-5T2)
EZ<B>:(S/M Code No.09-99C-337-5T3).
XD-DV290
BASIC DVD MECHANISM : LDM-H109
S/M Code No. 09-99C-337-5R2
K(B),EZ(B)
(6721R-0300A)

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  • Page 1 XD-DV290 K(B),EZ(B) SERVICE MANUAL BASIC DVD MECHANISM : LDM-H109 DVD PLAYER (6721R-0300A) This Service Manual is the “Revision Publishing” and replaces “Simple Manual” K<B>:(S/M Code No.09-99C-337-5T2) EZ<B>:(S/M Code No.09-99C-337-5T3). S/M Code No. 09-99C-337-5R2...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS SPECIFICATIONS ..........................3 ACCESSORIES/PACKAGE LIST ......................3 PROTECTION OF EYES FROM LASER BEAM DURING SERVICING/ Precaution to replace Optical block......................4 DISASSEMBLY INSTRUCTIONS ...................... 5-10 ELECTRICAL MAIN PARTS LIST ......................11 TRANSISTOR ILLUSTRATION ......................12 BLOCK DIAGRAM-1 (OVERALL) ......................13 BLOCK DIAGRAM-2 (POWER) ......................

  • Page 3: Specifications

    SPECIFICATIONS DVD VIDEO PLAYER Power supply 100V~240V, 50Hz Power consumption 20 W Mass 3.5kg(7.7lbs) External dimensions 430 * 91 * 293 (W * H * D) Signal system NTSC Laser SSemiconductor laser, wavelength 655nm (DVD) /795nm (CD) Frequency range (digital audio) 2Hz to 44kHz Signal-to-noise ratio (digital audio) More than 105dB (EIAJ)

  • Page 4: Protection Of Eyes From Laser Beam During Servicing

    PROTECTION OF EYES FROM LASER BEAM DURING SERVICING This set employs laser. Therefore, be sure to follow carefully the CAUTION instructions below when servicing. Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous WARNING! radiation exposure.

  • Page 5: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS CAUTION BEFORE STARTING SERVICING Electronic parts are susceptible to static electricity and may easily damaged, so do not forget to take a proper grounding treatment as required. Many screws are used inside the unit. To prevent missing, dropping, etc. of the screws, always use a magnetized screw driver in servicing.

  • Page 6: Circuit Board Disassembly

    CIRCUIT BOARD DISASSEMBLY Note: Before removing the main circuit board, be sure to 6. TIMER and Key C.B shortcircuit the laserdiode output land. 1) Remove the front panel. (See Fig-3) After replacing the main circuit board, open the land after 2) Release 5 screws (E), and remove the TIMER C.B.

  • Page 7: Bottom View

    DECK MECHANISM PARTS LOCATION • Bottom View Procedure Parts Fixing Type Figure Disassembly Starting No. Junction P.C.Board 4 Screws, Bottom 4 Locking Tabs Bracket Assembly Clamp 2 Screws Bracket Clamp Clamp Assembly Disk Plate Clamp Magnet Clamp 5, 6 Clamp Lower Tray Disk 1 Locking Tab 2, 8...
  • Page 8 DECK MECHANISM ASSEMBLY DECK ASSEMBLY TRAY DISK (L1) (L2) (L1) EMERGENCY EJECT HOLE (L1) (L1) (C4) LEVER (C3) JUNCTION (C2) (C1) (S1) (S1) (S1) (S1) BOTTOM SIDE VIEW Fig-7 Fig-9 8. Bracket Assembly Clamp (Fig-8) BRACKET CLAMP 1) Put the Deck Assembly on original position. (Top side) CLAMP 2) Release 2 Screws (S2).
  • Page 9 CABLE FLEXIBLE MOTOR ASSEMBLY PU FEED BASE PU (OUTSERT) SHAFT PU SUB SHAFT PU MAIN Fig-(A) PICK UP ASSEMBLY GENERAL P.C. BOARD (C5) BLACK (S3) SPRING GUIDE FEED PU GUIDE FEED (S4) RUBBER R SPRING SKEW (L4) BASE PU (OUTSERT) MOTOR ASSEMBLY PU FEED...
  • Page 10 Fig-(B) FRAME ASSEMBLY UP/DOWN RUBBER F Fig-(D) GEAR EMERGENCY (R1) (S6) (R2) GEAR PULLY BASE MAIN GEAR LOADING CAM LOADING (L6) (S7) (L7) HOLDER (L6) ASSEMBLY DECK ON (L5) Fig-(C) BELT LOADING (L5) MOTOR ASSEMBLY LOADING CONNECTOR(2 PIN) BOTTOM SIDE VIEW Fig-(E) Fig-(A) Fig-11...

  • Page 11: Electrical Main Parts List

    ELECTRICAL MAIN PARTS LIST REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C204 SC-H71-06C-611 C-CAP,10UF-6.3V C207 SC-H71-06C-611 C-CAP,10UF-6.3V SI-AM2-980-01A IC,AM29F800B-120EC C213 SC-H71-06C-611 C-CAP,10UF-6.3V SI-AL2-402-10E IC,AT24C02N-10SC-2.7 C214 SC-H71-06C-611 C-CAP,10UF-6.3V SI-AL4-981-92B IC,AT49F8192A-90TC C215 SC-H71-06C-611 C-CAP,10UF-6.3V SI-RH5-983-20A IC,BA5983FP-E2 SI-RH6-859-20A IC,BA6859AFP-E2 C216 SC-H71-06C-611...

  • Page 12: Transistor Illustration

    REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION SW514 S5-562-19B-000 SW,SKHV10910B C906 S6-240-87B-000 CAP,100P-1KV X501 S6-160-20P-000 CSA6.00MGU MURATA 6MHZ C907 SA-1B3-0KH-2M0 CAP,220PF-400V C913 87-012-379-010 CAP,3300PF-400V C916 87-010-387-010 CAP,E 470UF-25V KME JACK C.B C918 87-010-112-080 CAP,E 100-16V 87-010-060-080 CAP,E 100-16V C919...

  • Page 13: Block Diagram-1 (Overall)

    BLOCK DIAGRAM-1 (OVERALL)

  • Page 14: Block Diagram-2 (Power)

    BLOCK DIAGRAM-2 (POWER) TRANS Q901 KTC4419 SWITCHING IC RECTIFIER LINE FILTER...

  • Page 15: Block Diagram-3 (Rf/Dsp/Servo)

    BLOCK DIAGRAM-3 (RF/DSP/SERVO)

  • Page 16: Block Diagram-4 (Audio)

    BLOCK DIAGRAM-4 (AUDIO)

  • Page 17: Block Diagram-5 (Mpeg)

    BLOCK DIAGRAM-5 (MPEG) BLOCK DIAGRAM-6 (SYSTEM CONTROL)

  • Page 18: Wiring-1 (Main: Component Side)

    WIRING-1 (MAIN: COMPONENT SIDE) TO/FROM MAIN C.B TO/FROM TO/FROM POWER C.B JUNCTION C.B JUNCTION C.B CON902 (COMPONENT SIDE) CN404 CN402 R801 R184 C128 R191 R787 R714 R732 CE711 C712 R726 C715 R723 R721 C713 NOTE Cxxx R384 R385 R312 R309 Lxxx Rxxx...

  • Page 19: Wiring-2 (Main: Conductor Side)

    WIRING-2 (MAIN: CONDUCTOR SIDE) MAIN C.B (CONDUCTOR SIDE) C728 CE712 R717 R736 R188 NOTE Cxxx R193 Lxxx R823 Rxxx...

  • Page 20: Schematic Diagram-1 (Main 1/5)

    SCHEMATIC DIAGRAM-1 (MAIN 1/5)

  • Page 21: Schematic Diagram-2 (Main 2/5)

    SCHEMATIC DIAGRAM-2 (MAIN 2/5)

  • Page 22: Schematic Diagram-3 (Main 3/5)

    SCHEMATIC DIAGRAM-3 (MAIN 3/5)

  • Page 23: Schematic Diagram-4 (Main 4/5)

    SCHEMATIC DIAGRAM-4 (MAIN 4/5)

  • Page 24: Schematic Diagram-5 (Main 5/5)

    SCHEMATIC DIAGRAM-5 (MAIN 5/5)

  • Page 25: Schematic Diagram-6 (Jack)

    SCHEMATIC DIAGRAM-6 (JACK) QV01 RV08 DV02 KTA1267 1SS133 CV16 470µF /16V QV03 QV02 KRC103M KRC103M RV32 RV31 RV03 RV04 RV05 2.2K 1.0K CV12 QV07 10µF RV33 KTA1267 JACK08 CV24 JK08 EURO AV (TV) 220µF /16V SCART JACK A Rout A Lout FV06 BVD01 BEAD...

  • Page 26: Wiring-3 (Junction/Jack)

    WIRING-3 (JUNCTION/JACK) JACK03 JACK04 JACK08 AUDIO OUT S-VIDEO EURO AV (TV) DIGITAL OUT JACK01 JACK02 OPTICAL COAXIAL VIDEO JACK C.B INSIDE LIMIT SPINDLE MOTOR TO/FROM TO/FROM MAIN C.B MAIN C.B JUNCTION C.B TO/FROM TO/FROM CON201 CON801 MAIN C.B MAIN C.B CON202 CON201 (SLED MOTOR)

  • Page 27: Schematic Diagram-7 (Junction)

    SCHEMATIC DIAGRAM-7 (JUNCTION)

  • Page 28: Wiring-4 (Timer/Key/Power)

    WIRING-4 (TIMER/KEY/POWER)

  • Page 29: Schematic Diagram-8 (Timer/Key)

    SCHEMATIC DIAGRAM-8 (TIMER/KEY)

  • Page 30: Schematic Diagram-9 (Power)

    SCHEMATIC DIAGRAM-9 (POWER) POWER C.B T901 C932 470µ/10V +8V REG. A5V REG. INSULATOR POWER CONTROL AC 200-240V 50Hz...

  • Page 31: Wave Form

    WAVE FORM IC201 Pin ( (LVL) SBADD VOLT/DIV: 500mV IC206 Pin (A OUT3) VOLT/DIV: 2.12V TIME/DIV: 2mS SLED Drive (FMO) TIME/DIV: 10mS IC201 Pin ¡ (FEO) Focus Error VOLT/DIV: 2.9V TIME/DIV: 2mS IC201 Pin ¡ (FEO) VOLT/DIV: 200mV Focus Error (In Focus search) TIME/DIV: 100mS IC201 Pin ) (TEO) VOLT/DIV: 2.2V...
  • Page 32 IC801 Pin (DACC) VOLT/DIV: 500mV IC801 Pin (CLK IN) VOLT/DIV: 280mV Composite TIME/DIV: 20µS MPEG Clock TIME/DIV: 500µS 1 00kS/s Stop : 3290 Acqs Edge Slope M 500µs 280/mV 1.00V Mode Source Coupling Level Slope Type & 280mV <Edge> Holdoff IC801 Pin ≤...
  • Page 33 IC801 Pin , (DACE) VOLT/DIV: 500mV Component Pr TIME/DIV: 20µS & IC801 Pin < (DACA) VOLT/DIV: 500mV Component Y TIME/DIV: 20µS...

  • Page 34: Trouble-Shooting

    TROUBLE-SHOOTING 1. Power Circuit • Input Voltage: 120V • It is possible to malfunction, if the unload condition is left for a long time when power is on. (More than Dummy load 100mA) • A Primary side is abnormal when the fuse is short, secondary side is abnormal when the IC103 oscillates intermittently. •...
  • Page 35 2. µ-COM Circuit A. No Power POWER ON Refer to Front Part. Power RED LED on? Does Bar appear at FLD? Is CON107 Do all five Bars connected normally? appear? Reconnect it. Check power. Does Logo appear (Refer to power) on the screen? If power is normal...
  • Page 36 B. Audio abnormal C. Video abnormal VIDEO ABNORMAL AUDIO ABNORMAL Check Video jack. Check Audio jack. YES (If OK) YES (If OK) Check PLL FC of Refer to Video part. MPEG part. YES (If OK) YES (If OK) Refer to Audio part. Refer to Encoder part.
  • Page 37 E. Picture abnormal PICTURE ABNORMAL Check the disc. Refer to Servo part If OK Check PLL IC of MPEG part YES (If OK) Check DSP YES (If OK) Check MPEG YES (If OK) Replace B/D F. Disc Error DISC ERROR Check Disc YES (If OK) Refer to Servo part...

  • Page 38: Mpeg Circuit

    3. MPEG Circuit Power is on Does aiwa Logo appear Check power & clock. on the screen? Does the Check CD/DVD DSP Is MPEG data moving picture of the DVD Disc output signal. play on the screen signal normal? normally? Check MPEG Decoder input signal.
  • Page 39 4. Front Circuit (Digitron & key) START Power on. Is oscillation of Check Power. LED ON? X501 normal? Check waveform Is Digitron on Replace IC501. of IC500 Pin 6. normally? Do all Check waveform Is waveform of IC500 the buttons work of IC500 Pin #.
  • Page 40 5. RF/Servo Circuit CHECK POINT (General) Does signal goes “High” to IC206 Pin when the power is on? Does signal pulse input to IC206 Pin Check “2.µ-COM Part”. when the power is on? Does Does TTL Replace X301 or IC308 33.8688MHz clock input pulse output to IC206 (30MHz clock defect)
  • Page 41 No disc Power on Check loading Part. Push Pick-up to inner track Does tray open to the end by hand. or close? Does DECK assembly is defective. CON202 Pin & change (Limit sw) high to low? Pressing the open/close key repeatedly, check µ-COM Part.
  • Page 42 DISC IN OPEN/CLOSE Fig-3. FOCUS ERROR waveform Check Check IC201 Pin in DVD Mode 52 53 the focus error moving the FOCUS ON? lens up and down. (IC201 Check IC201 Pin in CD Mode 58 59 Pin ¡) IC201 no output: Pick-up is defective. Does the TTL level change at IC206 Replace IC206.
  • Page 43 CHECK A Fig-5. RF waveform Check IC201 Pin in DVD Mode. Check RF Eye-Pattern. No signal: Pick-up is defective RF: 1.0-2.1V (IC201 Pin •) Check IC201 Pin in CD Mode. Does the sawtooth waveform emit Does the 1.6V emit? Is the eye-pattern vivid? Replace IC201.

  • Page 44: Lcd Display

    LCD DISPLAY...

  • Page 45: Ic Description

    IC DESCRIPTION IC, BT861 Pin No. Pin Name Description Secondary video input port. Pixel data (TTL compatible) in 8-bit YCrCb format. A VID2-7 higher index corresponds to a greater bit significance. Data on the VID port is latched by rising edge of VIDCLK. (Connected to GND.) —...
  • Page 46 Pin No. Pin Name Description “Alpha blend pins. Provides for 1-, 2-, or 4-bit external blend selection” between video 29, 30 ALPHA0, 1 and graphic overlay data. Signals are latched using the system clock. (Connected to GND.) Dedicated graphic overlay port. Pixel data (TTL compatible) in 8-bit YCrCb format. 31-36 OSD0-5 Signals are latched using the system clock.
  • Page 47 Pin No. Pin Name Description Reset control input (TTL compatible). Setting to zero resets both video “timing (horizontal, vertical, subcarrier counters to the start of VSYNC of” “first field) and the RESET serial control interface, and resets the registers. RESET” must be a logical 1 for normal operation.
  • Page 48 IC, CL61330 Pin No. Pin Name Description P100 Programmable I/O pins. 8-bit bi-directional host data bus. Host writes data to the decoder Code FIFO via HDATA0-2 HDATA [7:0]. MSB of the 32-bit word is written first. The host also reads and writes the decoder internal registers and local SDRAM/ROM via HDATA [7:0].
  • Page 49 Pin No. Pin Name Description — 3.3-V supply voltage for I/O signals. Programmable I/O pins. Output mode after reset. — Ground for core logic and I/O signals. 50, 51 No Connection P101 Programmable I/O pins. 53, 54 MDATA15, 0 Memory data. —...
  • Page 50 Pin No. Pin Name Description — Ground for core logic and I/O signals. No Connection — 3.3-V supply voltage for I/O signals. MADDR9 Memory address. — Ground for core logic and I/O signals. 98-100 MADDR1, 8, 10 Memory address. — 3.3-V supply voltage for I/O signals.
  • Page 51 Pin No. Pin Name Description Video data bus. Byte serial CbYCrY data synch- ronous with VCLK. At power-up, the VDATA2 decoder does not drive VDATA. During boot-up, the decoderuses configuration parameters to drive or 3-state VDATA. — Ground for core logic and I/O signals. P105 Programmable I/O pins.
  • Page 52 Pin No. Pin Name Description DAI-BCK PCM input bit clock. P109 Programmable I/O pins. CLKSEL Clock Select: Internal = VDD, External = VSS A_VDD — 3.3-V analog supply voltage. VCLK Video clock. Clocks out data on input. VDATA [7:0]. Clock is typically 27 MHz. System clock.
  • Page 53 Pin No. Pin Name Description A-DACK Audio data acknowledge. — Ground for core logic and I/O signals. HOST&SEL Pull up. 202-204 HADDR0-2 Host address bus. 3-bit address bus selects one of eight host interface registers. Tie HIGH to select WAIT signal, LOW to select DTACK signal (Motorola 68K DTACKSEL mode).
  • Page 54 IC, GDC25D801 Pin No. Pin Name Description 1-16 DAT1-16 Bi-directional data to DRAM. — Digital GND. 18-21 ADD1-4 Address output to DRAM. Digital power supply. 23-27 ADD5-9 Address output to DRAM. X2_MCK Master clock from oscillator for 2x decoding. — Digital GND.
  • Page 55 Pin No. Pin Name Description SCLK Serial Command CLOCK. SDATA Serial Command DATA. XLAT Serial Command LATCH. AOUT1 TDF. AOUT2 TDF. AVDD — Analog power supply for ADC. TDF. AGND — Analog GND for ADC. AOUT3 TDF. AOUT4 TDF. DGND —...
  • Page 56 Pin No. Pin Name Description DEFECT_IN_A EXTERNAL DEFECT INPUT PIN. SI_ENC1 SLED ENCODER1 INPUT. SI_ENC2 SLED ENCODER2 INPUT (Connected to GND.) TRACK CROSS PULSE 2 INPUT. MIRR TRACK CROSS PULSE 1 INPUT. MSDATAO SERVO DSP INTENAL STATUS SERIAL OUTPUT. INTERNAL GENERATED FOK (Focus OK) H=OK. —...
  • Page 57 Pin No. Pin Name Description Interrupt request to Host. Read strobe from HOST. Write strobe from HOST. Chip select from HOST. 178-183 A0-5 Internal register address from HOST. — Digital GND. Bi-directional data to HOST. — Digital power supply. 187-193 PS1-7 Bi-directional data to Host.
  • Page 58 IC, HD6417034AFI20 Pin No. Pin Name Description SUB Q Code Sync Detection Signal (CD Disc Mode). 1. Interrupt request signal to µ-COM (DVD disc mode). 2. Type: a. Track miss occurred b. Search End c. New sector out start DSP_INT d.
  • Page 59 Pin No. Pin Name Description F_REQ Serial Communication Request from Front µ-COM. /STROBE Flash ROM Download I/F (Data Strobe in). 1. Servo Event detection signal input 2. Type: a. Focus Error S-curve detection SENS_MCOM b. 1 track jump completed c. 10 track jump completed d.
  • Page 60 Pin No. Pin Name Description GND. RXDO Serial Data Input from Front. TXDO Serial Data OUT to Front. SQSO SUB Q Data Input from Servo & DSP IC. MODE_SW Program Download mode detect (Download mode is “L”). SCKO Serial Interface Clock to Front. SQCK SUB Q Data Request to Servo &...
  • Page 61 -27V from CN503 (SMPS). 43-52 P10-P19 VFD display control signal output. DIG 501 P10 to P19. 53-56 S26-S29 — Not used. — D503 option (Present at AIWA remocon model). — Not used. — Diode option input. 60-64 P01-P05 — ZOOM_RST Not used.
  • Page 62 Pin No. Pin Name Description UP signal input from CN505 (SW509). JOG signal “JSW1” input CN505 (JS500). LEFT signal input from CN505 (SW509).
  • Page 63 IC, XC9536-15VQ44C Pin No. Pin Name Description SCART1 Wide disc playback high output (16:9 mode detect). SCART2 DVD power on HIGH (HIGH signal output to SCART 8 pin, SCART enable). TEST PIN For software debugging. — Ground. PWR_CTL Power control output to expander IC. TEST PIN For software debugging.

  • Page 64: Ic Block Diagram

    IC BLOCK DIAGRAM IC, BA5983FP IC, BA6859AFP...
  • Page 65 IC, KIA393F IC, PLL1700E...
  • Page 66 IC, SN74AHC374PWLE IC, TA1254F...

  • Page 67: Mechanical Exploded View 1/1

    MECHANICAL EXPLODED VIEW 1/1 MECHANICAL PARTS LIST 1/1 REF. NO PART NO. KANRI DESCRIPTION S1-10R-014-3A0 CASE TOP S7-21R-F12-5A0 PANEL ASSY FRONT[NO S5-81R-000-7A0 TRAY DOOR ASSY S4-10R-AHC-02B NI NM CORE SP-2 1 POW<EZ> S3-530-51A-000 SCREW,SPECIAL S3-530-46K-000 SPECIAL SCREW 3-10 B.K S3-530-51B-000 SPECIAL SCREW S3-530-46N-000 SPECIAL SCREW 3-8 BK...

  • Page 68: Mechanism Exploded View 1/1

    MECHANISM EXPLODED VIEW 1/1 PU BASE MAIN BASE P.C.B...

  • Page 69: Mechanism Parts List 1/1

    MECHANISM PARTS LIST 1/1 REF. NO PART NO. KANRI DESCRIPTION 004 S8-10H-105-5A0 CLAMP,LDM-R608 BRACKET 011 S2-10H-101-1A0 FRAME UP/DOWN 012 S0-40H-103-9B0 RUBBER F(D2) 013 S4-00H-101-0A0 LOADING BELT 014 S4-70H-112-9A0 PULLEY GEAR 015 S6-81R-102-1A0 LOADING MOTOR ASSY 016 S4-70H-113-1A0 LOADING GEAR 017 S4-30H-000-4A0 LOADING CAM 018 S4-70H-113-0A0 EMERGENCY GEAR...
  • Page 70 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111 Printed in Singapore 931196...

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