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DVDP485
SERVICE MANUAL

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Summary of Contents for Daewoo DVDP485

  • Page 1 DVDP485 SERVICE MANUAL...
  • Page 2 This device complies with part15 of the 100 -240V~ 60 Hz FCC Rules. Operation is subject to the following two conditions:(1)This device DVD VIDEO PLAYER may not cause harmful interference,and MODEL NO.DVDP485 (2)this device must accept any POWER SOURCE interference received,including 100-240V AC,60Hz,20W Serial Number...
  • Page 3 DVDP480 Note: There is different part in this manual as compared with a usual one because we use OEM factory¡¯s data. ¡ ° ¡ ¡ ¡ ° ¡ ± ± ° ¡ ± On Circuit description , Lubrication and Abbreviation of Logo , please refer to DV- 303 service manual Accessories Remote control unit...
  • Page 8 CT908 ---- SINGLE CHIP DVD SOLUTION Designed for Dolby 5.1 channel Certification With YUV & RGB & P_SCAN Analog Video Output CHEERTEK-ROADWELL For Hiteker CT908 POWER&AUDIO STANDBY STANDBY STANDBY SCART_SW SCART_SW SCART_SW SCART_TV LDON LDON LDON SCART_TV SCART_TV SCART_RGB SCART_RGB SCART_RGB RF_SDEN RF_SDEN...
  • Page 9 +3.3V VFD PANEL 4.7K SA16 R187 MODE 4.7K SA17 I2C_SCK 104P 104P I2C_SDA I2C_SCK 4.7K SA18 I2C_SDA VFD_CS 4.7K SA19 IR_INT 24C02/SOP I2C_SDA SCART_SW DGND SCART_SW /FWR SCART_TV SCART_TV I2C_SCK /PSEN SCART_RGB SCART_RGB DGND -22V /PSEN 11PIN,2.0mm IR_INT VFD_CS I2C_SCK I2C_SDA +3.3VV P4.3...
  • Page 10 RFVCC1 FB600 RFVCC C118 C119 EC43 RFVCC MEI- R107 2.2K C117 EC42 104P 104P 100u/16V +3.3V C120 104P 100u/16V C121 104P C122 104P 3.3P C125 SGND C123 104P C124 104P SGND SGND R129 R128 R122 104P C129 R109 8.2K/1% SLED- SLED+ LOAD- 820P...
  • Page 16 VOL- VOL+ LED1 C3 100U 100U CC5 104 C1 104 LED1 LED2 R11 10K LED3 LED4 DOUT 16315 3.3k 3.3k 3.3k C2 10U S9014 VOL- D1N4148 D1N4148 VOL+ D1N4148 D1N4148 SKIP3 SKIP2 SKIP4 SKIP5 Title CONTROL SCH Size Document Number SKIP1 SKIP7 SKIP6...
  • Page 17: Pin Configuration

    CT908 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE CTK CONFIDENTIAL, NO DISCLOSURE 3. Pin Configuration P1.1 VREF P1.2 FSADJ P1.3 COMP AVD33 P1.4 AVO0 AVSS P1.5 AVD33 P1.6 AVO1 P1.7 AVSS VSSP AVD33 GPA3 AVO2 GPA2 AVSS VDDP AVD33 GPA1 AVO3 GPA0 AVSS SMS3...
  • Page 18: Pin Description

    CT908 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE CTK CONFIDENTIAL, NO DISCLOSURE 4. Pin Description 4.1 System Operation Signals and Power/Ground Pin name Type Description OSCI Clock input. It can be oscillator or crystal input. Frequency is 27MHz. OSCO Output terminal for crystal connection. This signal also emulates as VCLK for digital video pixel clock output RESET# System reset, active LOW...
  • Page 19 CT908 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE CTK CONFIDENTIAL, NO DISCLOSURE PORT0 Port0 is an 8-bit bi-directional I/O port. SAD[7:0]: low byte address [7:0] and data bus, bi-directional. In accesses to external memory, port0 outputs the low byte of the external memory address, time-multiplexed with the data byte being written or read.
  • Page 20 CT908 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE CTK CONFIDENTIAL, NO DISCLOSURE PORT3 Port3 is an 8-bit bi-directional I/O port with internal P3.3: INTM#, output [7:0] pull-up. P3.6: WR#, input Port3 also serve following special functions: P3.7: RD#, input P3.0 RXD1 (serial input port) P3.1 TXD1 (serial output port) P3.2 IR input connecting to IR receiver P3.3: GPA6, general purpose IO bus A bit 6, initial in...
  • Page 21: Sdram Interface Signals

    CT908 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE CTK CONFIDENTIAL, NO DISCLOSURE SA[7:0]/GPA[15: When LATS=1, SA[7:0] input is specified, representing the low byte address bus, input. When LATS=0, two options: one is SA[7:0] output of the low byte address latched from SAD[7:0] input by ALE; the other is GPA[15:8], general purpose IO bus A bits[15:8], bi-directional;...
  • Page 22: Video Interface Signals

    CT908 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE CTK CONFIDENTIAL, NO DISCLOSURE 4.4 Video Interface Signals Pin name Type Description AVO0 Four kinds of analog video output supoorted: CVBS(composite)/S-video(Y/C), YCbCr(comp onent), RGB(component) and YPbPr Progressive scan. Mode 1: CVBS + S-video(Y/C) Mode 2: CVBS+YCbCr Mode 3: CVBS+RGB Mode 4: YPbPr...
  • Page 23: Audio Interface Signals

    CT908 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE CTK CONFIDENTIAL, NO DISCLOSURE COMP Compensation pin. A 0.1 uF ceramic capacitor with lead length as short as possible must be used to decouple power noise. VREF Voltage reference output. Typical value is 0.9V. A 0.1uF ceramic capacitor decouples this pin to AVSSref AVD33 (4) 3.3v analog power supply for video DAC, each for one channel...
  • Page 24 CT908 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE CTK CONFIDENTIAL, NO DISCLOSURE 4.6 RF/Servo/Motor Drive Interface Signals Pin name Type Description DVD/CD input alternative RFVT RF ADC top reference voltage input (1.4V) RFIN RF signal input AVD33S 3.3v analog power supply for servo ADC/DAC Lens error input Focus error input Tracking error input...
  • Page 25 CT908 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE CTK CONFIDENTIAL, NO DISCLOSURE GPB7/TRAYPW General purpose IO bus B bit 7 default in input state/ DVD[7] Tray PWM control output. GPB7 could be specifically used as TRAYOPEN, tray-open control output; GPB7 by default GPB8/SMB General purpose IO bus B bit 8, initial in input state D_ERROR...
  • Page 26 CT908 PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE CTK CONFIDENTIAL, NO DISCLOSURE CDSD CD serial data input CDWS CD data word selector The above information is the exclusive intellectual property of Cheertek Inc. and shall not be disclosed, distributed or reproduced without permission from Cheertek Inc. Copyright (C) 2003 Cheertek Inc.
  • Page 27 MC4558 DVDP485...
  • Page 28 MC4558 DVDP485...
  • Page 29 MC4558 DVDP485...
  • Page 30 MC4558 DVDP485...
  • Page 31 MC4558 DVDP485...
  • Page 32 MC4558 DVDP485...
  • Page 33 MC4558 DVDP485...
  • Page 34: Power Cord

    DVDP485 GBIP3.833.1045MX AMOUNT PART NO. DESCRIPTION GBIP2.855.671MX MAIN BOARD PORTION SHD-2502NBL DVD DRIVE GBIP8.070.050 DX24(B 0.5 250) 24P CABLE GBIP2.930.156MX POWER BOARD PORTION GBIP8.078.178 POWER BOARD SUPPORT GBIP8.912.014 SCREW GBIP4.123.465MX FRONT-PANNEL PORTION GBIP4.021.164MX CONTROL BOARD GBIP4.021.164BH CONTROL BOARD(RAW) GBIP4.021.164CJ CONTROL BOARD(RAW)
  • Page 35 SCREW 845ST2.9*9.5-C SCREW 6561M3*6H SCREW SCREW 6560M3*8H 6560M3*6H SCREW 6560M3*4H SCREW GBIP6.463.000 GBIP8.369.001 QT201.7 GBIP8.817.234 GBIP8.817.719 DAEWOO LOGO GBIP8.817.179 QT310-3 QT301 QT302 GBIP6.649.379 ACCESSORY PORTION GBIP2.018.281WX REMOTER GBIP3.833.1045SS MANNUL GBIP8.840.133 ACCESSORY BAG QT401 VIDEO OUTPUT CORD QT402 AUDIO OUTPUT CORD QT601-1 NO.7 BATTERY...
  • Page 36 GBIP2.855.789MX REF. NO LAYER PART NO. DESCRIPTION AMOUNT HAVMB040304 C0603COG3P3J50PT CAPACTIANCE C120 C0603COG220J50PT CAPACTIANCE C17,C12,C75,C85,C93,C99,C172,C173 C0603COG101J50PT CAPACTIANCE C18,C74,C84,C136,C169 C0603COG121J50PT CAPACTIANCE C79,C87 C0603COG151J50PT CAPACTIANCE C139 C0603COG221J50PT CAPACTIANCE C24,C25,C154,C158 C0603COG271J50PT CAPACTIANCE C82,C88,C95,C101 C0603COG331J50PT CAPACTIANCE C83,C89,C96,C102 C0603COG681J50PT CAPACTIANCE C131,C132,C134,C135 C0603COG821J50PT CAPACTIANCE C129 C11,C14,C15,C76,C86,C130,C137,C146,C152, C0603X7R102K50PT C153 CAPACTIANCE...
  • Page 37 R5,R6,R7,R8,R19,R23,R28,R29,R31,R45,R54,R 96,R101,R147,R149,R151,R159,R187,R201,R20 2,R204 RC0603103JT RESISTANCE RC0603123JT RESISTANCE R46,R55 RC0603153JT RESISTANCE R122,R128,R129 RC0603203JT RESISTANCE R144,R154,R126,R127, RC0603223JT RESISTANCE R44,R53,R156,R157,R200 RC0603303JT RESISTANCE R26,R27 RC0603473JT RESISTANCE R49,R60,R110,R111,R112,R165,R30 RC0603104JT RESISTANCE R104 RC0603105JT RESISTANCE R16,R22,R148 RFTR0805101JR RESISTANCE R37,R39 33X4 RESISTANCE LCMI1608U1R8KT INDUCTANCE L12,L13,L14,L15 LCMI2012U100KT INDUCTANCE L26,L18,L19 CBG2012U102B INDUCTANCE L1,L2,L3,L4,L5,L6,L23,L24,L8,L10,L17,L21,L25...
  • Page 38: Power Board

    Power board GBIP2.930.156MX DESCRIPTION PART NO. AMOUNT REF. 0380D1020604 CARBON RESISTANCE RT-470K-0.25W-J CARBON RESISTANCE RT-8.2K-0.25W-J CARBON RESISTANCE RT-3.9K-0.25W-J CARBON RESISTANCE RT-2.7K-0.25W-J R6,R12 CARBON RESISTANCE RT-1K-0.25W-J R9,R14,R16 CARBON RESISTANCE RT-910-0.25W-J CARBON RESISTANCE RT-220-0.25W-J CARBON RESISTANCE RT-10-0.25W-J CARBON RESISTANCE RY-56K-2W-J CARBON RESISTANCE RY-100-1W-J R10,R17 JACK...
  • Page 39 INDUCTANCE UF10.5(φ0.27) L1,L5 MAGNETISM RESISTANCE INDUCTANCE 5.6uH L7,L8 INDUCTANCE φ6×20,φ0.8/16.5T INDUCTANCE φ6×20,φ0.8/10.5T 9P CABLE SD-QJB-E-220 F2A/250V(5×20) FUSE JACK VH3A-2 CN1,CN2...
  • Page 40: Technical Specification

    TECHNICAL SPECIFICATION Response frequency: 4Hz - 22 Khz S/N ratio: > 98dB Audio output: Video output: 1.0V£¨P-P£© 75¦¸ S-video output: Y 1.0V£¨P-P£©£¬ C0. 28 75¦¸ power supply: 100-240V ~ 50/60Hz power consumption: ¡ £ ¡ £ Operation temperature: -30 C To 4 5 C Measurement: 430£¨L£©X 290£¨W£©X 48£¨H£©mm 4.
  • Page 41: Troubleshooting

    Trouble Shooting DVDP480 Trouble Analysis Form before opening player Trouble Reason Solution Signal lamp is not on when Power plug does not touch well. Insert plug into socket well or power is on. change a socket Read slowly or do not read disc, Insert disc correctly;...

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