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MITSUI MTV-DV05 Service Manual
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MITSUI MTV-DV05 Service Manual

MITSUI MTV-DV05 Service Manual

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FILE NO. SM-CTV-O-228
TV/DVD COMBO
SERVICE MANUAL
MODEL NO. MTV-DV05
CHASSIS NO. CN-12DV
Please read this manual carefully before service.

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Summary of Contents for MITSUI MTV-DV05

  • Page 1 FILE NO. SM-CTV-O-228 TV/DVD COMBO SERVICE MANUAL MODEL NO. MTV-DV05 CHASSIS NO. CN-12DV Please read this manual carefully before service.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS SERVICE SAFETY INSTRUCTIONS ..............2 ADJUSTMENTS ........................5 STRUCTURE AND CHASSIS FUNCTION DESCRIPTION ..... 15 SERVICE DATA ........................21 TROUBLESHOOTING FLOW CHARTS .............. 65 APPENDIX...

  • Page 3: Service Safety Instructions

    SERVICE MANUAL SERVICE SAFETY INSTRUCTIONS “ ” WARNING: BEFORE SERVICING THIS CHASSIS, READ THE X-RAY RADIATION PRECAUTION “ ” “ ” SAFETY PRECAUTIONS PRODUCT SAFETY NOTICE INSTRUCTION BELOW. X-RAY RADIATION PRECAUTION 1. The EHT must be checked every time the TV is serviced to ensure that the CRT does not emit X-ray radiation as result of excessive EHT voltage.
  • Page 4 SERVICE MANUAL place. 7. Replace blown fuses within the TV with the fuse specified in the parts list. 8. When replacing wires or components to terminals or tags, wind the leads around the terminal before soldering. When replacing safety components identified by the international hazard symbols on the circuit diagram and parts list, it must be the company-approved type and must be mounted as the original.
  • Page 5 SERVICE MANUAL SERVICE SAFETY INSTRUCTIONS FOR DVD UNIT 1. Never allow unqualified personnel to remove and service the DVD130A modules. 2. The unit will generate static. Extreme care should be taken when servicing the modules DVD130A modules. 3. Never touch the laser pickup head. 4.

  • Page 6: Adjustments

    SERVICE MANUAL ADJUSTMENTS SET-UP ADJUSTMENTS The following adjustments should be made when a complete realignment is required or a new picture tube is installed. Perform the adjustments in the following order: 1. Color purity 2. Convergence 3. White balance Notes: ①...
  • Page 7 SERVICE MANUAL Yoke Fig. 1 Fig. 2 2. Convergence Adjustment Preparation: Before attempting any convergence adjustment, the TV should be operated for at least 15 minutes. 2.1 Center convergence adjustment 2.1.1 Receive dot pattern. 2.1.2 Adjust the brightness/contrast controls to obtain a sharp picture. 2.1.3 Adjust two tabs of the 4-pole magnet to change the angle between them and red and blue vertical lines are superimposed each other on the center of the screen.
  • Page 8 SERVICE MANUAL 2.2.2 Temporarily put the first wedge between the picture tube and deflection yoke assembly. Move front of the deflection yoke up or down to obtain better convergence in circumference. Push the mounted wedge in to fix the yoke temporarily. 2.2.3 Put the second wedge into bottom.
  • Page 9 SERVICE MANUAL CIRCUIT ADJUSTMENTS Preparation: Circuit adjustments should be made only after completion of set-up adjustments. Circuit adjustments can be performed using the adjustable components inside the TV set. For TVs with C bus control, first change the bus data. 1.
  • Page 10 SERVICE MANUAL 4. Focus Adjustment Caution: Dangerously high voltages are present inside the TV. Extreme caution should be exercised when working on the TV with the back removed. 4.1 After removing the back cover, look for the FBT on the main PCB. There should be a FCB on the FBT. 4.2 Power on the TV and preheat it for 15 min.
  • Page 11 SERVICE MANUAL RF.AGC RF AGC R.BIAS RED BIAS G.BIAS GREEN BIAS B.BIAS BLUE BIAS R.DRIVE RED DRIVE G.DRIVE GREEN DRIVE B.DRIVE BLUE DRIVE MENU.02 SECAM B DC SECAM B-Y SECAM R DC SECAM R-Y H.APC GAIN HORIZONTAL APC GAIN SYNC.KIL SYNC KILL H.BLK.L HORIZONTAL BLANKING LEFT...
  • Page 12 SERVICE MANUAL GREY MODE GREY MODE V.SETUP VERTICAL SETUP MENU.07 BLANK.DEF BLANK DEFEAT BRT.ABL.TH BRIGHT ABL THRESHOLD RGB TEMP RGB TEMPERATURE SWITCH BRT.ABL.DF BRIGHT ABL DEFEAT MID.STP.DF BRIGHT MID STOP DEFEAT FBP.BLK.SW FLYBACK PULSES （ HORIZONTAL ） BLANKING SWITCH MENU.08 DIGITAL.OSD DIGITAL OSD MODE OSD.CONT...
  • Page 13 SERVICE MANUAL E/W TILT E/W C TOP E/W C BOTM MENU.13 E/W TEST E/W TEST HSIZE COMP HORIZONTAL SIZE COMPENSATION IF TEST 3B 3dB IF TEST V.LEV ADJ VIDEO LEVEL ADJUSTMENT OV MOD LEV PRE/OVER PRE/OVER-SHOOT ADJUSTMENT C.VCO SW CHROMA VCO（VOLTAGE CONTROLLED OSCILLATOR）SWITCH C.VCO ADJ CHROMA VCO ADJUSTMENT MENU.14...
  • Page 14 SERVICE MANUAL MENU.18 LOUNDNESS LOUDNESS FM/AM.PRES FM/AM PRESETTING SCART.PRES SCART PRESETTING SCART VOLUME SCART.VOL SCART VOLUME OPT.AVC OPTION AVC AVC.DECAY BBE.BASS BBE BASS BBE.TREBLE BBE TREBLE Notes: ① The data sheet may differ dependent on different models. ② The data sheet may differ dependent on different CRTs for the same model.
  • Page 15 SERVICE MANUAL ADJUSTMENTS FOR DVD UNIT 1. Power on the unit only after ensuring DVD130A modules is connected correctly in accordance with the wiring diagram. 2. If the unit fails to play after power-on, repair the DVD130A according to the service illustration until it can read discs and has corresponding AV output.

  • Page 16: Structure And Chassis Function Description

    SERVICE MANUAL STRUCTURE AND CHASSIS FUNCTION DESCRIPTION 1. STRUCTURE BLOCK DIAGRAM (For CPU CH04T1224 Only)
  • Page 17 SERVICE MANUAL 3.BLOCK DIAGRAM OF SUPPLY VOLTAGE SYSTEM...
  • Page 18 SERVICE MANUAL 4. BLOCK DIAGRAM OF REMOTE CONTROL SYSTEM...
  • Page 19 SERVICE MANUAL 4．STRUCTURE BLOCK DIAGRAM FOR DVD130A DVD130A MODULE 2X16M SDRAM S-VIDEO CS4955-CD EEPROM 24C01 SPDIF 74HCU04 MT1369AE CS4340 Audio DAC L-out NJM4558M 8M FLASH R-out BA5954 Audio Amp Power Supply Fig. 8 Structure Block Diagram for DVD130...
  • Page 20 5．CHASSIS FUNCTION DESCRIPTION 5.1. General Description MTV-DV05 TV/DVD combo has combined function of TV signal reception and DVD discs playback, of which TV unit uses CN-12C2 chassis and DVD unit uses loader DVD 130A. CN-12C2 chassis applies a single chip IC LA76835 of Japan-based Sanyo for small signal processing, featuring multi system reception.
  • Page 21 SERVICE MANUAL 5.2.2. The DVD130A mainly uses the following ICs and assemblies. Table 3 Key ICs and Assemblies of DVD130A Serial No. Position Type Function Description MPEG board Drawing No. JUV2.033.071-1MX MT1336E RF amplifier BA5954FM Focus/tracking coil and feed motor drive MT1369AE MPEG decoder 74HCU04...

  • Page 22: Service Data

    SERVICE MANUAL SERVICE DATA SERVICE DATA FOR TV UNIT TECHNICAL DATA OF KEY ICS CH04T1227 (D701) 8-Bit Single Chip Microcontroller 1. Overview The LC86F344BA are 8-bit single chip microcontrollers with the following on-chip functional blocks: -CPU:Operable at a minimum bus cycle time of 0.424µs -On-chip ROM capacity Program ROM:32K/28K/24K/20K/16K bytes CGROM:16K bytes...
  • Page 23 SERVICE MANUAL 2. System Block Diagram Fig. 9 3. Refer to Table 4 about Functions and Service Data of the IC’s Pins.
  • Page 24 SERVICE MANUAL AT24C08 (D702) EEPROM 1. Features ・Data EEPROM internally organized as 1024/2048 bytes 2. Pin Configuration and 64/128 pages×16 bytes ・Page protection mode, flexible page-by-page hardware write protection - Additional protection EEPROM of 64/128 bits, 1 bit per data page - Protection setting for each data page by writing its protection bit - Protection management without switching WP pin...
  • Page 25 SERVICE MANUAL KA2192B (NV01) TV/Video Switch Circuit 1. Features The TV/Video switch circuit KA2192B (NY01) is an electronic switch circuit controlling four sets of audio signal inputs, three sets of video signal inputs, two sets of Y/C separation signals inputs, one set of video signal output, one set of Y/C separation signal output and one set of audio signal output.
  • Page 26 SERVICE MANUAL LA7840 (N301) Vertical Deflection Output Circuit 1. Features ·Low power dissipation due to built-in pump-up circuit ·Vertical output circuit ·Thermal protection circuit built in ·Excellent crossover characteristics ·DC coupling possible 2. Block Diagram Fig. 12 3. Refer to Table 7 about Functions and Service Data of LA7840’s Pins.
  • Page 27 SERVICE MANUAL TDA7057AQ (N191) 2×8W Stereo BTL Audio Output Amplifier with DC Volume Control 1. Features 2. General Description ·DC volume control The TDA7057AQ is a stereo BTL output amplifier ·Few external components with DC volume control. The device is designed ·Mute mode for use in TVs and monitiors, but is also suitable ·Thermal protection...
  • Page 28 SERVICE MANUAL HEF4053 (NK01) Triple 2-channel Analog Multiplexer/Demultiplexer With (E) LOW, one of the two switches is selected 1. Description The HEF4053 is a triple 2-channel analog (low impedance ON-state) by Sn. With E HIGH, all multiplexer/demultiplexer with a common enable switches are in the high impedance OFF-state, input (E).
  • Page 29 SERVICE MANUAL TDA9808T SINGLE STANDARD VIF-PLL WITH QSS-IF AND FM-PLL DEMODULATOR 1. Features 2. General Description ·5V supply voltage (9V supply voltage for The TDA9808T is an integrated circuit for TDA9808T (DIP20) only) single standard (negative modulated) vision ·Applicable for IFs (lntermediate Frequencies) of IF signal processing and FM demodulation, 38.9MHz, 45.75MHz and 58.75 MHz with single reference QSS-IF in TV and VTR...
  • Page 30 SERVICE MANUAL 3. Block Diagram 4. Refer to Table 20 about Functions and Data of the IC’s Pins.
  • Page 31 SERVICE MANUAL MSP34X0G MULTISTANDARD SOUND PROCESSOR FAMILY Release Note: Revision bars indicate significant Other processed standards are the Japanese changes to the previous edition. The hardware FM-FM multiplex standard (EIA-J) and the and software description in this document is FM Stereo Radio standard. valid for the MSP34X0G version B5 and following Current ICs have to perform adjustment versions.
  • Page 32 SERVICE MANUAL SERVICE DATA OF KEY ICS Table 4 Functions and Service Data of LA76835 (N101)’s Pins GDM8145 Multimeter Ground Resistance (Ω) Measure with Measure with Voltage Function Description red probe black probe while while Pin (V) grounding grounding black probe. red probe.
  • Page 33 SERVICE MANUAL X-RAY detection input 2.05 4.43MHz CW signal output or SECAM killer signal input 3.41 AFC filter for color sub-carrier Clamp filter 2.83 4.43 MHz crystal oscillator connection 1.89 APC filter 2.76 Video signal output (NC) Video/chroma/scan part ground 2.93 Video signals input from AV terminals or Y signal input from S-VIDEO terminal...
  • Page 34 SERVICE MANUAL Bus data line 4.70 11.6 6.20 4.47 12.1 6.00 Bus clock line 0.00 0.00 0.00 Ground Input terminal for clock oscillating signal 1.78 12.6 2.88 12.0 4.91 Output terminal for clock oscillating signal 5.31 7.90 3.72 Supply voltage Button-control voltage input terminal 1 0.02 9.70...
  • Page 35 SERVICE MANUAL Table 6 Functions and Service Data of AT24C08 (D702)’s Pins GDM8145 Multimeter Ground Resistance (KΩ) Pin No. Function Description Measure with red Measure with Voltage of probe while black probe while Pin (V) grounding black grounding red probe. probe.
  • Page 36 SERVICE MANUAL 5.70 6.33 3.67 R2 IN 5.56 6.83 4.01 E2 IN 5.25 6.84 5.59 5.25 6.85 5.59 0.00 0.00 0.00 MUTE 3.89 1.418 1.51 Y OUT 0.00 0.00 0.00 3.84 0.96 1.15 C OUT 4.37 0.63 3.35 R OUT 4.37 6.61 3.31...
  • Page 37 SERVICE MANUAL Table 9 Functions and Service Data of TDA7057AQ (N191)’s Pins GDM8145 Multimeter Function Description Voltage Positive Resistance Negative Resistance (KΩ) (KΩ) Volume control input 0.95 6.85 6.15 Not connected 0.00 ∞ ∞ Audio R signal input 2.38 12.59 6.51 Supply voltage 17.48...
  • Page 38 SERVICE MANUAL Table 11 Functions and Service Data of LM7805 (N503)’s Pins DT890D Digital Multimeter Ground Resistance (Ω) Measure with red Measure with black Function Description Voltage of probe while probe while Pin (V) grounding black grounding probe. probe. Input terminal 1015 Regulation output Ground...
  • Page 39 SERVICE MANUAL STANDBYQ 4.79 4.54 I2C-CL 3.56 4.44 I2C-DA 4.44 I2S-CL 2.36 6.24 I2S-WS 6.24 I2C-DA-WT 2.36 6.24 I2S-DA-IN1 0.07 5.29 ADR-DA 0.07 5.59 ADR-WS 0.07 5.59 ADR-CL 0.07 5.59 DVSVP 4.79 4.54 DVSS 0.01 0.001 0.00 I2S-DA-IN2 0.07 5.31 ∞...
  • Page 40 SERVICE MANUAL TESTEN 0.01 0.001 0.00 XTAL-2N 2.35 5.27 XTAL-OUT 2.36Hs...
  • Page 41 SERVICE MANUAL WAVEFORMS OF KEY POINTS DVD Power PCB N01’s Pin 4 Switch Transistor QI’S D on DVD Power PCB DVD Power PCB N01’s Pin 6 D701’s Pin 3 SCL D701’s Pin 6 XT1 D701’s Pin 4 SDA...
  • Page 42 SERVICE MANUAL D701’s Pin 15 C-VIN D701’s Pin 7 XT2 D701’s Pin 18 H-SYNC D701’s Pin 17 V-SYNC N101’s Pin 20 G-OUT N101’s Pin 19 R-OUT...
  • Page 43 SERVICE MANUAL N101’s Pin 23 VER-OUT N101’s Pin 21 B-OUT N101’s Pin 46 VIDEO-OUT N101’s Pin 27 HOR-OUT N101’s Pin 28 FBP-IN N101’s Pin 38 X TAL...
  • Page 44 SERVICE MANUAL N301’s Pin 5 INVERTING-IN N301’s Pin2 VER-OUT V431 V431 B V432 V432 V513 V513...
  • Page 45 SERVICE MANUAL SERVICE DATA FOR DVD UNIT TECHNICAL DATA OF KEY ICS MT1369AE MPEG decoder/DVD servo processor 1. Features ■ Super lntegration DVD player single chip ・ Servo controller and data channel processing ・ MPEG-1/MPEG-2/JPEG video decoding ・ AC-3/DTS/DVD-Audio/MP3 audio decoding ・...
  • Page 46 SERVICE MANUAL ・ High-speed ECC logic capable of correcting one error per each P-codeword or Q-codeword ・ Automatic sector mode and form detection ・ Automatic sector header verification ・ 8-bit counter for decode completion on ck ・ Automatically repeated error corrections ・...
  • Page 47 SERVICE MANUAL - MPEG-2 layer1/layer2 2-channel audio decoding - Dolby Pro Logic decoding ・ Up to 6 channel linear PCM output for DVD Audio/DVD Video ・ Downmix function ・ Support IEC 60958/61937 output - PCM/bit stream/mute mode - Custom IEC latency up to 2 frames ・...
  • Page 48 SERVICE MANUAL Analog Output Feed motor control. PWM output Inout, Pull Up Motor Hall sensor input DVSS Ground Ground HIGHA0 Inout, Pull Up Microcontroller address 8 HIGHA1 Inout, Pull Up Microcontroller address 9 HIGHA2 Inout, Pull Up Microcontroller address 10 HIGHA3 Inout, Pull Up Microcontroller address 11...
  • Page 49 SERVICE MANUAL UP1-5 Inout, Pull Up Microcontroller port 1-5 UP1-6 Inout, Pull Up Microcontroller port 1-6 DVDD3 Power 3.3V power UP1-7 Inout, Pull Up Microcontroller port 1-7 UP3-0 Inout, Pull Up Microcontroller port 3-0 UP3-1 Inout, Pull Up Microcontroller port 3-1 INT0# Inout, Pull Up Microcontroller interrupt 0, active low...
  • Page 50 SERVICE MANUAL Output DRAM clock Output DRAM clock enable RA11 Output DRAM address bit 11 or audio serial data 3 (channel 3/8) Output DRAM address 9 Output DRAM address 8 DVDD2 Power 2.5V power Output DRAM address 7 Output DRAM address 6 Output DRAM address 5 Output...
  • Page 51 SERVICE MANUAL (1) Audio left/right channel clock ALRCK Inout, Pull Down (2) Trap value in power-on reset. 1:use external 373, 0:use internal 373 DVDD3 Power 3.3V power ASDATA0 Inout, Pull Down Audio serial data 0 (left/right channel) ASDATA1 Inout, Pull Down Audio serial data 1 (surround left/surround right channel) ASDATA2 Inout, Pull Down...
  • Page 52 SERVICE MANUAL RFSUBI Analog Input RF subtraction signal input terminal TEZISLV Analog Input Tracking error zero crossing low pass input Analog Input Tracking error input Analog Input Central servo input Analog Input Focus error input RFLEVEL Analog Input Sub beam add input or RFRP low pass input RFRP-DC Analog Input RF ripple detect input...
  • Page 53 SERVICE MANUAL MT1336E RF amplifier 1.General Description MT1336 is a high performance CMOS analog front-end IC for both CD_ROM driver up to 48XS and DVD_ROM driver up to 16XS. It also supports DVD_RAM lead up to 4XS Version 2. It contains servo amplifiers to generate focusing error, 3-beam tracking error, 1 beam radial push-pull signal, RF level and SBAD for servo functions.
  • Page 54 SERVICE MANUAL 3. block Diagram Fig17. MT1336 Function Block Diagram...
  • Page 55 SERVICE MANUAL 4.MT1336 Pin Descriptions Symbol Type Description Numbers LQFP128 RF Flag Interface DEFECT Digital Output Flag of bad data output status RF SIO interface SCLK Digital Input RF serial clock input SDEN Digital Input RF serial data input SDATA Digital IO RF serial data IO Digital Input...
  • Page 56 SERVICE MANUAL DC coupled DVD-RAM main-beam RF signal Analog Input input B DC coupled DVD-RAM main-beam RF signal Analog Input input C DC coupled DVD-RAM main-beam RF signal Analog Input input D DC coupled DVD-RAM sub-beam RF signal input Analog Input DC coupled DVD-RAM sub-beam RF signal input Analog Input DC coupled DVD-RAM sub-beam RF signal input...
  • Page 57 SERVICE MANUAL LDO2 Analog Output Laser driver output RF RIPPLE CRTP Analog RF top envelop filter capacitor connecting CRTPLP Analog Defect level filter capacitor connecting High frequency RF ripple output or Blank detector’s HRFRP Analog output output LRFRP Analog output Low frequency RF ripple output POWER 67, 69...
  • Page 58 SERVICE MANUAL TRLPA Analog Low-pass filter capacitor connecting HTRC Digital output High speed track counting digital output HALLSIN Analog input Negative input of amplifier for hall sensor signal REFSIN Analog input Positive input of amplifier for hall sensor signal SINPHI Analog output Amplifier output for hall sensor signal HALLCOS...
  • Page 59 SERVICE MANUAL CS4334 Audio D/A Controller 2. Description 1. Features The CS4334 family members are complete, Complete Stereo System: ● stereo digital-to-analog output systems including Interpolation, D/A, Output Analog Filtering interpolation, 1-bit D/A conversion and output 24-Bit Conversion ● analog filtering in an 8-pin package. The 96 dB Dynamic Range ●...
  • Page 60 SERVICE MANUAL CS4955 Video Encoder 1. Features 2. Description The CS4954/5 provides full conversion from digital ●Six DACs providing simultaneous video formats YCbCr or YUV into NTSC and PAL composite, S-Video, and RGB or Component Composite, Y/C (S-Video) and RGB, or YUV analog YUV outputs video.
  • Page 61 SERVICE MANUAL BA5954 Focus/tracking Coil and Feed Motor Drive 1. Functions BA5954FM is a 4 channel driver for optical disc motor driver. Dual channel current feedback type drivers are built in, in addition to dual channel motor drivers. Wide dynamic range (4.0V (typ.) at PreVcc=12V, PVcc=5V, RL=8Ω) Separating Vcc into Pre+Power of sled motor, Power of loading motor and Power of actuator, can make better power efficiency, by low supply voltage drive.
  • Page 62 SERVICE MANUAL NJM4558M Sound Amplifier 1. General Description 5. Package Outline The NJM4558/4559 integrated circuit are a dual high-gain operational amplifier internally compensated and constructed on a single silicon chip using an advanced epitaxial process. Combining the features of the NJM741 with the close parameter matching and tracking of a dual device on a monolithic chip results in unique performance characteristics.
  • Page 63 SERVICE MANUAL 1K EEPROM 3. Package Types 1. Features ● Single supply with 5.0V operation ● Low power CMOS technology - 1 mA active current typical - 10 μA standby current typical at 5.0V - 5μA standby current typical at 5.0V ●...
  • Page 64 SERVICE MANUAL SERVICE DATA OF KEY ICS Table 14 Service Data of Key ICs Digital Multimeter Position Pin No. Operating Voltage (V) RF signal 0.9-1.5V U1 (MT1336E) 2,5,14,64,67,69,109,114,120 16,41,70,82,111,121,141,169 2．5 U3 (MT1369AE) 11,34,53,64,92,102,131,151, 3．3 156, 178,185,186,202 U7 (8M FLASH) Non-cyclical pulse 10．6 U21 (BA5954) 9,21...

  • Page 65: Troubleshooting Flow Charts

    SERVICE MANUAL TROUBLESHOOTING FLOW CHARTS TROUBLESHOOTING FLOW CHARTS FOR TV UNIT 1. Switch Mode Power Supply No picture, sound and raster 1.2 The SMPS has no voltage output 1.3 The SMPS outputs voltage lower than the rated value.
  • Page 66 SERVICE MANUAL 1.4 The SMPS outputs voltage higher than the rated value. 1.5 The power indicator lights, but the SMPS is still in the Standby mode. 2. Control System 2.1 The power indicator lights, but the CPU cannot enter the Operation mode after power-on again...
  • Page 67 SERVICE MANUAL 2.2 No characters display 2.3 Channel number remains unchanged during auto program...
  • Page 68 SERVICE MANUAL 3. Video Signal Processor 3.1 A horizontal bright line appears on the screen. 3.2 No color but with normal monochrome picture...
  • Page 69 SERVICE MANUAL 4. Horizontal/Vertical Scan Circuit 4.1 No raster but with sound...
  • Page 70 SERVICE MANUAL 4.2 No picture and no sound but with raster 5. Audio System No sound...
  • Page 71 SERVICE MANUAL TROUBLESHOOTING FLOW CHARTS FOR DVD UNIT Debugging begins. AC power comes up to the power PCB input Replace the power PCB. standard? Supply power to the power PCB separately. Repair or replace the All voltages from the power PCB until the power PCB conform to voltage output meets the the requirements?
  • Page 72 SERVICE MANUAL Reset or power on again. Check connection between FLASH and Access to FLASH LOGO display or not? MT1369. FLASH runs normally? fast enough? Check connection between SDRAM and SDRAM works normally? MT1369, and SDRAM for normality. Check MT1369 and Check the data received connection between it by the TV encoder for...
  • Page 73 SERVICE MANUAL When in the external coil, SLED can automatically Check the circuit Level for Pin STBY of connected to STBY. enter the internal coil? the motor driver is high? Level of FMSO exceeds Check the circuit the medium level by connected to FMSO.
  • Page 74 SERVICE MANUAL Check the peripheral circuit of MT1336 and When reading a disc, laser on LD01 and LD02 OK? circuit connected to the triode. Check the collector Check the triode and its voltage of triode for peripheral circuit. normality. Check the circuit between the laser head and triode.
  • Page 75 SERVICE MANUAL Check MT1369 and its MT1369's DMSO outputs Spindle revolves? peripheral circuit. normally? Check BA5954 and its Check the signals SP+ and SP- for normality. peripheral circuit. Check the circuit between the spindle and BA5954. MT1336 outputs correct TEO Check the peripheral Track on OK? signal?
  • Page 76 SERVICE MANUAL Check MT1369 and the Check if data received Check audio output for circuit between it and by AUDIO DAC for normality during playback. AUDIO DAC. Correctness. Check the peripheral AUDIO DAC outputs circuit of AUDIO DAC. correctly? Check connections to audio filter, audio amplifier, mute and output.
  • Page 77 Circuit Diagram for AT1314DV...
  • Page 78 N-COMB PCB ASSEMBLY...
  • Page 79 DVD Power PCB...
  • Page 80 BTSC PCB...
  • Page 81 C i r c u i t D i a g r a m f o r D V D 1 3 0 A ( 1 ) [ 1,2,3,4 ] [ 1,2,3,4 ] -P12V -P12V [ 1 ] [ 1 ] -P12V -P12V +P12V...
  • Page 82 Circuit Diagram for DVD130A (2) 3-SY3669P2-V2 3-SY3669P2-V2 MT1369E (LQFP208) DVD MP Board for Sanyo SF-HD6AV PUH MT1369E (LQFP208) DVD MP Board for Sanyo SF-HD6AV PUH 1 INDEX & POWER, RESET 1 INDEX & POWER, RESET 2 RF / SERVO & MPEG - MT1336E / MT1369E 2 RF / SERVO &...
  • Page 83 Circuit Diagram for DVD130A (3) [ 1,2,3,5 ] [ 1,2,3,5 ] DV33 DV33 +5VA +5VA [ 1,2,3 ] [ 1,2,3 ] DV33 DV33 +5VA +5VA T_SY T_SY T_SY T_SY [ 5 ] [ 5 ] +P5V +P5V CB70 CB70 [ 1,2,3,5 ] [ 1,2,3,5 ] +P5V +P5V...
  • Page 84 Circuit Diagram for DVD130A (4) RDQ0 RDQ0 RDQ1 RDQ1 DMA0 DMA0 RDQ0 RDQ0 RDQ2 RDQ2 RDQ16 RDQ16 DMA1 DMA1 RDQ1 RDQ1 DMA0 DMA0 RDQ0 RDQ0 DMA0 DMA0 RDQ3 RDQ3 RDQ17 RDQ17 DMA2 DMA2 RDQ2 RDQ2 DMA1 DMA1 RDQ1 RDQ1 DMA1 DMA1 RDQ4 RDQ4...
  • Page 85 Circuit Diagram for DVD130A (5) AVCC AVCC RVCC RVCC R38,R49,R61: FOR 5V R38,R49,R61: FOR 5V MT1336E MT1336E LDO_AVCC LDO_AVCC RVCCIN RVCCIN RFVCC RFVCC R46,R60,R63: FOR 3V R46,R60,R63: FOR 3V TRCLOSE TRCLOSE MT1336E MT1336E MT1336E/MT1369E with MT1336E/MT1369E with TROPEN TROPEN ENDM ENDM STBY STBY...
  • Page 86 F i n a l W i r i n g D i a g r a m a n d F i n a l A s s e m b l y D i a g r a m f o r D V D 1 3 0 A TO TV Technical Requirements Technical Requirements...