hit counter script
Hitachi UT42X902/D8MW Service Manual
  1. Manuals
  2. Brands
  3. Hitachi Manuals
  4. Industrial Monitor
  5. UT42X902/D8MW
  6. Service manual

Hitachi UT42X902/D8MW Service Manual

D8mw chassis lcd display panel
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
PA
No. 0239
UT42X902 / D8MW
UT42V702 / D8MW
SERVICE MANUAL
D8MW
NTSC
Remote controls:
ATSC
UT42X902 - P#: HL02561 (CLU-4981S)
Chassis
UT42V702 - P#: HL02562 (CLU-4982S)
ready monitor
SERVICE MANUAL REVISION HISTORY INFORMATION
DATE
REVISION #
REASON
Oct. 03, 2008
SM00001
FIRST ISSUE OF MANUAL
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
LCD DISPLAY PANEL
OCTOBER 2008
HIMEX MANUFACTURING DIVISION

Advertisement

Table of Contents
loading

Related Manuals for Hitachi UT42X902/D8MW

Summary of Contents for Hitachi UT42X902/D8MW

  • Page 1 No. 0239 UT42X902 / D8MW UT42V702 / D8MW SERVICE MANUAL D8MW NTSC Remote controls: ATSC UT42X902 - P#: HL02561 (CLU-4981S) Chassis UT42V702 - P#: HL02562 (CLU-4982S) ready monitor SERVICE MANUAL REVISION HISTORY INFORMATION DATE REVISION # REASON Oct. 03, 2008 SM00001 FIRST ISSUE OF MANUAL SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT...

  • Page 2: Table Of Contents

    No. 0239 UT42X902 / D8MW UT42V702 / D8MW SERVICE MANUAL D8MW NTSC Remote controls: ATSC UT42X902 - P#: HL02561 (CLU-4981S) Chassis UT42V702 - P#: HL02562 (CLU-4982S) ready monitor TO GO TO A CHAPTER, CLICK ON ITS HEADING BELOW CONTENTS SAFETY PRECAUTIONS ......... . . PRODUCT SAFETY NOTICE .

  • Page 3: Safety Precautions

    D8MW SAFETY PRECAUTIONS Leakage Current Hot Check NOTICE: Comply with all cautions and safety-related notes Plug the AC line cord directly into a 120V AC outlet. (Do not use an isolation transformer during this test.) Use a located on or inside the cover case and on the chassis or leakage current tester or a metering system that complies LCD module.

  • Page 4: Product Safety Notice

    Product safety is continuously under review and new instructions are issued from time to time. For the latest information, always consult the current HITACHI Service Manual. A subscription to, or additional copies of HITACHI Service Manuals may be obtained at a nominal charge from HITACHI Sales Corporation.

  • Page 5: Servicing Precautions

    D8MW SERVICING PRECAUTIONS CAUTION: Before servicing instruments covered by this Electrostatically Sensitive (ES) Devices service data and its supplements and addendum, read and Some semiconductor (solid state) devices can be damaged follow the information in previous pages number 2 and 3 of easily by static electricity.
  • Page 6 “original leads”. If they are not shiny, reheat them IC Removal/Replacement and, if necessary, apply additional solder. Some Hitachi unitized chassis circuit boards have slotted holes (oblong) through which the IC leads are inserted and then bent flat against the circuit foil. When holes are the slotted type, the following technique should be used to remove and replace the IC.
  • Page 7 Hitachi personnel. 3. Connect insulated 20-gauge jumper wire from the nearest component on one side of the pattern break to the lead of...
  • Page 8 D8MW Leadless Chip Components How to Replace Flat-lC (surface mount) —Required Tools— Chip components must be replaced with identical chips • Soldering iron • iron wire or small awl due to critical foil track spacing. There are no holes in •...
  • Page 9 D8MW Information for service about the lead-free solder introduction. Hitachi introduced lead-free solder to conserve the “Earth Environment”. Please refer to the following before servicing. (1) Characteristic of lead-free solder Melting point of lead free solder is 40-50°C higher than solder containing lead.

  • Page 10: Agency Regulatory Information

    Modifications The FCC requires the user to be notified that any changes or modifications made to this device that are not expressly approved by Hitachi Home Electronics (America), Inc. may void the user’s authority to operate the equipment. Cables Connections to this device must be made with shielded cables with metallic RFI/EMI connector hoods to maintain compliance with FCC Rules and Regulations.

  • Page 11: Introduction

    D8MW INTRODUCTION This HITACHI Service Manual is intended for the qualified service personnel and it contains the necessary infor- mation for troubleshooting the LCD television set in case of malfunction. MODEL CHASSIS UT42X902 D8MW This service manual includes the information for the next models and chassis.

  • Page 12: Specifications

    D8MW TERMINALS AND JACKS HDMI 3.5 MINI 8 PIN 3.5 STEREO D-SUB 15 PIN TERMINAL JACK MINI-DIN MINI JACK MODEL NAME ANALOG COMPOSITE ANALOG HDMI RS-232C VIDEO AUDIO THROUGH UT42X902 UT42V702 MAIN FEATURES • Ultra-slim-line LCD monitor. • Large-screen and high definition LCD. •...
  • Page 13 D8MW BASIC SETUP AND OPERATION For more information on connecting and using the monitor, refer to the owner’s guide. Connect the power cord to the rear panel. Connect to external equipment. Example 1: Connecting to PC To insert D-sub 15 pin, tilt the monitor forward and bring the terminals into view. Two people are required to hold the monitor and insert D-sub 15 pin safely.
  • Page 14 D8MW BASIC SETUP AND OPERATION Front Panel Cabinet Panel Remote Control Receiver Indicating Lamp Speaker Illumination Lamp Desktop Stand Control panel (located on the bottom) MENU/EXIT INPUT/OK Main Power switch button Service use only button RS232C Volume Up/ button PC (RGB)/DVI Analog Audio Input Terminal Volume Down/ button PC Connection Terminal (D-sub 15 Pin)

  • Page 15: Adjustments

    D8MW ADJUSTMENTS TO GO TO A SECTION, CLICK ON ITS HEADING BELOW. TABLE OF CONTENTS OF ADJUSTMENTS 1. Adjustment procedure start-up 1.1 How to get to the service mode menu ......... . 15 1.2 Changing data and selecting adjustment codes .

  • Page 16: Adjustment Procedure Start-Up

    All UT42” VS224 The software is subject to change, for the latest software call 1-800-HITACHI or log on to the Hitachi Service only web site www.hitachiserviceusa.com. 1.1 How to get to the Service Mode Menu The Service Mode Menu can be reached by following the next sequence: 1.

  • Page 17: Memory Initialize

    D8MW 2.2 EEPROM RENEW Procedure: B. Use the Control Panel (located at the bottom): Menu/Exit button is for calling the OSD menu or for exiting such menu or any other OSD. There are two methods. Input/Select button is for changing the displayed input or, FIRST METHOD.

  • Page 18: Ntsc Composite Video Adjustment

    D8MW The next ghraphs show the waveform of the PC VGA[60Hz] NOTE: Request this optional cable to Hitachi under the adjustment signal. next part numbers: - DSUB(LOW)-RCA CABLE 200MM EW09192 (4) The adjustment signal pattern is all white (The burst can...
  • Page 19 D8MW 4.2 Normal Mode. (4) Set the aspect to full mode. Adjustment preparations (5) Set the color analizer (CA-210) at the center of the pan- (1) Adjustment signal: HDMI 1080i Signal pattern: White raster Adjustment procedures Video level: 90% (2) Picture settings: Factory setting. Check that the mode is set as the factory shipping conditions.

  • Page 20: Another Procedure To Set To Factory Shipping Conditions

    D8MW 4.3 Warm mode. (4) Color temperature Warm synchronizes with the drive data of the Normal mode color temperature. Therefore, when the Adjustment preparations. drive data of Normal color temperature is changed, the drive data of the Warm color temperature is changed too. (1) Adjustment signal: HDMI 1080i Signal pattern: White raster 5.
  • Page 21 D8MW 5.1 Factory shipping conditions: Initial data Item Remarks 42” UT monitor On (The switch is pushed condition.) Power Switch Volume Mute Picture Mode Dynamic Contrast Brightness Color Sharpness Tint Color Temperature Cool Back Light Deep Color Contrast Mode Dynamic 3D Color Management Black Enhancement Middle...
  • Page 22 D8MW 5.1 ... factory shipping conditions continued. Initial data Item Remarks 42” UT monitor Audio Treble Bass Balance Surround Bass Boost Clear Voice Perfect Volume Speakers ― Function System Grayed out HDMI Control Auto Input Change System Standby None AV Center Control Setup Video Power Save RGB Input...
  • Page 23 Page Left Blank D8MW Instruction in software renewal After software version up, set the following lists for reference. TABLE OF CONTENTS...
  • Page 24 Page Left Blank D8MW TABLE OF CONTENTS...
  • Page 25 Page Left Blank D8MW TABLE OF CONTENTS...
  • Page 26 Page Left Blank D8MW TABLE OF CONTENTS...
  • Page 27 Page Left Blank D8MW TABLE OF CONTENTS...
  • Page 28 Page Left Blank D8MW TABLE OF CONTENTS...
  • Page 29 D8MW TROUBLESHOOTING FLOWCHARTS How to get to Burn-in mode This mode displays the test patterns of some single color raster in turn. These signals are from built-in gener- ator of panel. So it can be presumed that maybe the panel has some trouble when the screen of Burn-in mode is abnormal.
  • Page 30 D8MW ...TROUBLESHOOTING FLOWCHARTS (continued)... LED is green lighting. It is trouble of Main PWB or Terminal PWB. Is the burn-in mode normal? Picture trouble Go to “A” Sound trouble Go to “B” Are the voltage of pin 1-5 of CNPP1and pin 1-5 of It is trouble of Power supply CNPP2 (power supply unit) normal? unit.
  • Page 31 D8MW ...TROUBLESHOOTING FLOWCHARTS (continued)... Are the voltage of It is trouble of Dose the backlight pin 1-4 (+12V) of PDO1 Main PWB. turn on? (Main PWB) normal? Please change. It is trouble of LCD panel module. Is there voltage of It is trouble of Main PWB.
  • Page 32 D8MW ...TROUBLESHOOTING FLOWCHARTS (continued)... A : Picture Troubleshooting No picture, no color or dark Check the picture menu. Adjust the picture Are there problems? menu. Are the voltage of It is trouble of IR/PW-SW PWB. pin 7 and 9 (+5V) of PV01 Please check EISP connector (Main PWB) normal? HDMI input...
  • Page 33 D8MW ...TROUBLESHOOTING FLOWCHARTS (finished). B : Sound Troubleshooting No sound, abnormal sound Check the signal at the P301 of Terminal PWB Is there signal Change speaker. Change Terminal PWB Has it been It is trouble of improved? the speaker. Has it been It is trouble of the improved? Change EISP cable...
  • Page 34 BLOCK DIAGRAMS D8MW 42” UT Monitor.  TABLE OF CONTENTS...
  • Page 35 CONNECTIONS DIAGRAM D8MW 42” UT Monitor. LVDS (to T-CON LCD UNIT) ECN1 ELCD2 CNPP2 CNPP1 PH-12H PH-14H PH-14H Inverter +24V +24V Master PNPS +24V +24V LVDS (to T-CON LCD UNIT) ECN2 PA-11H PP01 +24V +24V PA-11H PM01 +24V +24V SH-10H +24V +24V SUB_RXD...
  • Page 36 D8MW Wiring Diagram page 1/6 D8MW UT42 Wiring Dress DWG TABLE OF CONTENTS...
  • Page 37 D8MW Wiring Diagram page 2/6 Pre-operation Set the ferrite core(NECN1) to ECN1. NECN1 MAG K5BFP 40X2X12-K (P#GX00821) ECN1 #WN03 Nitto tape No.5 W=20mm L=70mm TABLE OF CONTENTS...
  • Page 38 D8MW Wiring Diagram page 3/6 Pre-operation Set the ferrite core(N001) to EMT2. Ferrite core is 1set by 2pcs. #WN01 Nitto tape No.5 W=20mm L=70mm surface reverse side TABLE OF CONTENTS...
  • Page 39 D8MW Wiring Diagram page 4/6 How to paste of #333 (D8MW SIGNAL SLD TAPE P#MD20801) Paste to N001 Paste to near ECN1 ECN1 #333 1mm or more NECN1 #333 N001 #WN04 Nitto tape No.5 #333 dose not touch the “NECN1” . W=9mm L=30mm Separate 1mm or more.
  • Page 40 D8MW Wiring Diagram page 5/6 How to set the ferrite core(NELS) to ELS. NELS MAG K5CRC12X15X7-MB2 (P# GX00738) LED PWB side Main PWB side 1 turn How to set the ferrite core(NSPK, NSPK2) to EISP. Main PWB side NSPK2 MAG K5CRC12X15X7-MB2 (P# GX00738) NSPK MAG K5CRC12X15X7-MB2...
  • Page 41 D8MW Wiring Diagram page 6/6 Paste #327 so that ECN1, ECN2 should not float. How to set the ferrite core NEPU to EPU. #327 Nitto tape No.5 W=20mm L=100mm 78mm or more Put on the core with fit. NEPU MAGK5CRC16X28X9-M2G2 (P# GX00732) 20mm #NEPU SK-binder...
  • Page 42 D8MW Final assembly guide TABLE OF CONTENTS...
  • Page 43 D8MW Final assembly guide TABLE OF CONTENTS...
  • Page 44 D8MW Final assembly guide TABLE OF CONTENTS...
  • Page 45 D8MW Final assembly guide TABLE OF CONTENTS...
  • Page 46 D8MW Final assembly guide TABLE OF CONTENTS...
  • Page 47 D8MW Final assembly guide TABLE OF CONTENTS...
  • Page 48 D8MW Final assembly guide TABLE OF CONTENTS...
  • Page 49 D8MW Final assembly guide TABLE OF CONTENTS...
  • Page 50 D8MW Final assembly guide TABLE OF CONTENTS...
  • Page 51 D8MW WAVEFORMS The number icons thru the circuit schematic are reference to the next waveforms. The waveforms were taken with a color bar video signal and for the audio a 1Vp-p 1kHz audio signal was used. € PC video signal white icon numbers, example ‹...
  • Page 52 D8MW ... WAVEFORMS (continued) ‡. PC signal, blue color @ CE07 (page 62) ˆ. PC signal, red color @ CE08 (page 62) ‰. PC signal, sub-vertical drive @ IW01 pin 1 (page 72) Š. PC signal, sub-horiz. drive @ IW01 pin 13 (page 72) Œ.
  • Page 53 D8MW ... WAVEFORMS (continued) Ž. HDMI signal, HDMI-Y @ RH37 (page 63) . HDMI signal, HDMI CB @ RH35 (page 63) . HDMI signal, RX @ RH60~RH67 (page 63) ‘. Audio signal, Input @ R225 (page 74) ’. Audio signal, output @ P301 (page 75) TABLE OF CONTENTS...
  • Page 54 D8MW DC VOLTAGES To allow a quick check, the next table shows the direct current voltages of the most accesible connector terminals in the LCD UT monitor. BOARD CONNECTOR TERMINAL MAIN PV01 PP01 23.8 23.8 P101 10.8 10.8 10.8 10.8 IR/PWR_SW P701 POWER...
  • Page 55 D8MW Schematic Diagram page D8MW 42V FHD UT LCD Panel Block Diagram 42 LCD Panel(LPL) Signal Board Circuit Main :JA30712 LVDS LVDS Terminal :JA30723 LVDS + Control + etc FAN VCC LVDS LVDS LVDS LVDS (1st) (3rd) (2nd) (4th) Power PWB Signal PWB LVDS Tx LVDS Tx...
  • Page 56 D8MW Schematic Diagram page +24V STB+5V 970mA PP01 PA-11H +24V +24V CP50 CP01 CP02 CP03 CP20 CP21 CP22 22/35 22/35 22/35 xxmA 3216 3225 3225 4A/10V 1.0uF TPP01 XP01 012:4E STB+5V GND1 GND1 NFM2012P13C105B 012:8E From Power TPP02 013:5C 2125 014:2B STB5V STB+5V...
  • Page 57 D8MW Schematic Diagram page FANVCC FANVCC FANVCC 002:8D RZ03 10k-1% DZ04 1SS355 RZ04 1.8k-1% 002:5D AMP_PWR GND1 004:2E 005:1C 006:1A D+3.3V DZ01 009:1A 1SS355 011:1A 016:1A D+3.3V 017:1A AMP_PWR 017:6C 019:3E 002:5E 019:4A 020:2B AMP_PWR 019:4D 019:6A RZ05 10k-1% DZ05 019:6D 1SS355 020:4E...
  • Page 58 D8MW Schematic Diagram page GEN+3.3V +5.6V Bottom View 271mA 4A/10V 1.0uF 002:5C IG02 XG02 003:G4 +5.6V GEN+3.3V NFM2012P13C105B MM1663DHBE 008:4A 2125 005:1A 009:1C 008:1D +5.6V Vout GEN+3.3V 011:1B 009:7C 012:1A 020:4A 015:2A CG42 NC-7 NC-2 016:1A 1.0/16 GND1 CG40 020:2B 1.0/16 NC-6 Cont...
  • Page 59 D8MW Schematic Diagram page IA01 GEN+3.3V FLI8538-LF-BE LA04 004:5A FLI8538 (3/7) Digital Power Supply 008:1D GEN+3.3V 009:7C 2518 020:4A CA21 0.1/16 1005 IO_3.3-E4 D_GND-L10 CA22 0.1/16 1005 CA07 CA53 CA11 IO_3.3-F4 D_GND-M10 22/6.3 22/6.3 1.0/16 CA23 0.1/16 1005 2125 2125 IO_3.3-G4 D_GND-N10 CA24...
  • Page 60 D8MW Schematic Diagram page 002:5D 003:C6 003:G4 004:2E 005:1C 009:1A LB01 D+3.3V 011:1A 016:1A D+3.3V 017:1A 2518 017:6C CB01 019:3E 019:4A RB01 1.0/16 019:4D 019:6A GND1 019:6D 020:4E RB45 RB77 IA01 CB05 FLI8538-LF-BE 1.0/16 IB01 RB68 FLI8538 (5/7) OCM Interface-2 GND1 K8P1615UQB-PI4B000 OCM_ADDR21...
  • Page 61 D8MW Schematic Diagram page DDR_VCC1 004:6E DDR_VCC1 350mA 350mA CC23 CC50 CC51 22/6.3 1.0/16 1.0/16 2125 IC01 CC44 K4H561638H-UCCC 470p 1005 GND1 GND1 CC26 0.1/16 1005 VDD-1 VSS-66 FSMEM1_D0 FSMEM1_D15 DQ15 CC27 VDDQ-3 VSSQ-64 FSMEM1_D1 0.1/16 1005 FSMEM1_D14 DQ14 FSMEM1_D2 FSMEM1_D13 DQ13 CC38...
  • Page 62 D8MW Schematic Diagram page RD10 002:5C 003:G4 +5.6V 004:2A 009:1C +5.6V 011:1B 012:1A 015:2A 016:1A CD10 CD12 020:2B 0.22/16 1.0/16 GND1 GND1 RD09 ID01 TK11150CSC RD16 CD11 1.0/16 MAX 3.3V RD14 1.0k RD11 RD15 RD20 GND1 10k-1% 1.0k 002:1B RD13 4.7k EVOL_1 005:7D...
  • Page 63 D8MW Schematic Diagram page IA01 FLI8538-LF-BE 002:5D 003:C6 FLI8538 (1/7) Digital Input Port 003:G4 004:2E 005:1C ADATA23 BDATA23 HD_Cr[7] 011:8D 006:1A LVDS_SEL 011:1A ADATA22 BDATA22 HD_Cr[6] 011:8D RE61 RE62 RE01 016:1A D+3.3V ADATA21 BDATA21 HD_Cr[5] 011:8D 32V Mount Mount Not mount 017:1A 37V Mount Not mount...
  • Page 64 D8MW Schematic Diagram page 1.8V Reg 002:5D 003:C6 D+3.3V IH05 LH01 003:G4 MM1661JHBE BLM18BD471SN1D 004:2E D+3.3V Vout 005:1C 1608 006:1A 009:1A RH88 CH36 CH21 CH37 CH74 CH23 CH82 CH26 NC-7 NC-2 016:1A 1.0k 22/6.3 10/10 1.0/16 0.1/16 10/10 0.1/16 10/10 CH88 CH48 2125...
  • Page 65 D8MW Schematic Diagram page 002:5C +5.6V RMB1 003:G4 +5.6V 004:2A 008:4A 016:7E 009:1C STB+3.3V FC_VDD_RST 011:1B 015:2A 002:7B STB+3.3V 016:1A 013:5B 020:2B 014:2B 59 pin 60 pin RM96 RM27 RM98 RM67 1.0k 5.6k HPLGIN_N 011:1C RM36 DM03 1.0k UDZS3.6B QM11 RM29 2SC5383-T111-1F QM21...
  • Page 66 D8MW Schematic Diagram page 002:7B STB+3.3V 012:1A 014:2B PV02 RV03 501568-06H 4.7k ADKEY1 ADKEY1 012:1C ADKEY2 ADKEY2 012:1C USRRST USRRST 012:1E 002:7A 012:4E 012:8E STB+5V 014:2B STB+5V 014:2D 015:2A LEDB LEDB 012:8B 020:2C 020:5D GND1 LEDR 012:8B LEDG 012:8B LEDo 012:8B PV01 501568-10H...
  • Page 67 D8MW Schematic Diagram page 002:7A 012:4E STB+5V 012:8E 013:5C STB+5V 015:2A 020:2C 020:5D STB+3.3V 002:7B 012:1A STB+3.3V 013:5B LS01 2518 CS01 10/10 7/25 LR01->LS01 2125 GND1 CS04 1.0/16 IS01 CS06 MAX202IPW 0.1/16 CS05 1005 RS32 1.0k 1.0/16 020:2C GND1 DOUT1 CS02 QS06 RIN1...
  • Page 68 D8MW Schematic Diagram page 002:7A 012:4E 012:8E 013:5C 014:2B RR03 014:2D 020:2C STB+5V 020:5D 2010 002:5C 003:G4 +5.6V 004:2A 008:4A 009:1C +5.6V 011:1B 012:1A 016:1A CR10 CR05 020:2B 4.7/6.3 1.0/16 CR04 1.0/16 RR24 GND1 IR01 TK11150CSC RR23 002:1E 1.0k 012:1D POWER2TD 016:1B CR07...
  • Page 69 D8MW Schematic Diagram page D+3.3V D+3.3V 002:5D D+3.3V 003:C6 003:G4 004:2E +5.6V 002:5C 005:1C +5.6V 003:G4 006:1A 004:2A 009:1A 008:4A 011:1A +5.6V 009:1C 017:1A 011:1B 017:6C Bottom View 012:1A 019:3E Vo=0.891x(1+ Ru/Rd) 015:2A 019:4A 020:2B IJ01 019:4D 019:6A IF01 019:6D RF62 RF66 TPS54310...
  • Page 70 D8MW Schematic Diagram page 002:5D D+3.3V 003:C6 003:G4 D+3.3V 004:2E 005:1C IJ01 006:1A IJ02 009:1A TC7MBL3245AFK CJ19 RJ14 011:1A 0.1/16 1005 FC8 SlowBus 1/10 016:1A GND1 IJ01 019:3E CPUADR12 Pullup 019:4A RJ17 RJ19 FC+1.05V 019:4D CPUADR11 Pullup FC8 others 9/10 019:6A CPUADR10 Pullup...
  • Page 71 D8MW Schematic Diagram page FCx+1.8V 645mA FCx+1.8V 016:4C 300mA CK67 CK68 CK04 22/6.3 1.0/16 1.0/16 2125 IJ01 GND1 GND1 GND1 FC8 DDR2 2/10 RK14 100-1% CK12 0.1/16 1005 SDADQ31 AB33 AK20 AB33 VCCQ18-AB33 SDADQ31 AK20 CK70 470p 1005 SDADQ30 AJ19 AJ19 VCCQ18-AJ19 SDADQ30...
  • Page 72 D8MW Schematic Diagram page 002:5D 003:C6 003:G4 004:2E 005:1C 012:1B Tx_PDWN 006:1A Tx_PDWN 009:1A 002:5D 011:1A 003:C6 016:1A 003:G4 017:1A CL48 CL49 CL45 004:2E 017:6C CL44 0.1/16 4.7/6.3 005:1C 0.1/16 4.7/6.3 1005 DoECR00 LL01 1005 DoDCR00 006:1A DoECR01 009:1A DoDCR01 D+3.3V DoECR02 011:1A...
  • Page 73 D8MW Schematic Diagram page 004:5A 005:1A GEN+3.3V 008:1D 009:7C RW03 0 Š RW04 0 From Dsub_H Terminal-BD Dsub_V CW02 0.1/16 PW01 1005 501568-14H GND1 PC_HD 009:1E PC_VD 009:1E IW01 SN74LV14APW AMP_PWR 002:5E 003:G6 CW06 100p-C GND1 1005 RW01 0 RW02 0 ‰...
  • Page 74 D8MW Schematic Diagram page P101 501568-14H 003:5B 155mA(MAX) MAX 1.5A 003:5D 003:6B AUD+11V 004:2E L102 J101 LGS6509-1400F 2520 C114 HP_R 1.0/25-B 004:7C 155mA(MAX) GND1 L101 2520 HP_GND HP_L MAX 1.5A 004:7C AMP_PGND +5.6V 002:6C R102 C115 1.0/16 IRo_term HP_DET HP_GND STB+5V 004:7C C116...
  • Page 75 D8MW Schematic Diagram page Line-in for connecting PC audio I2S, 24-bit Master mode (384Fs) 256Fs Zin 50kOhm J201 Full scale input is 3.0Vpp R232 LGY6502-0800 R223 Max 2.0Vrms Max 1.05Vrms 2.5V Bias 18k-1% 1.0/16 R227 C201 R224 18k-1% 1.0/16 GND1 R225 C219 GND1...
  • Page 76 D8MW Schematic Diagram page SPEAKER AMP PVCC 10pin 11pin 002:2D 002:3B TYP 20mA 002:7E PLL IC AUD+3.3V C329 004:1C 58pin 0.1/16 1005 001:D7 ’ AUD+11V C327 C333 4700p 4700p 004:2E GND1 R345 R348 R351 R354 1005 1005 C326 C331 0.047/16 R319 0.047/16 R320...
  • Page 77 D8MW Schematic Diagram page Slave Address High 84h J101 R413 AUD+9V L402 BLM18BD471SN1D 1608 200mA(Max) 11/5 AUD+3.3V -> STB+5V 001:D4 R414 1.0k 002:2D 20mA AudioRSTn 003:2B STB+5V 001:D6 003:3D DAC_MCLK 002:2D R407 002:3B 001:D4 R421 002:7E AUD+3.3V 002:2D 003:2B R433 003:2C AUD_SDA 001:D5...
  • Page 78 D8MW Schematic Diagram page R521 D-SUB15(PC ) PC_Red 001:D3 J501 C503 R509 3114-15FA 10p-C 75-1% 1005 GND5 R522 PC_Green 001:D3 C504 R510 10p-C 75-1% 1005 H_SYNC GND5 V_SYNC R523 PC_Blue 001:D3 R506 C505 R511 10p-C 75-1% 1005 D510 D511 D512 GND5 GND5 GND5...
  • Page 79 D8MW Schematic Diagram page P601 P602 501568-06H 501568-04H ADKEY1 ADKEY1 ADKEY2 ADKEY2 USRRST USRRST STB+5V LEDB GND4 GND4 Q601 Q602 Q603 2SC5383-T111-1F 2SC5383-T111-1F 2SC5383-T111-1F R605 GND4 GND4 2010 R606 GND4 2010 GND4 TERMINAL BOARD SHEET: 006 Center LED • Since this is a basic circuit diagram, the value of the parts is subject to be altered for improvement. TABLE OF CONTENTS...
  • Page 80 D8MW Schematic Diagram page Remocon Module I701 GP1UE281QKVF I702 TC7SZ14FU C702 10/10 IN_A GND2 2125 OUT_Y PW-LED C701 10/10 R701 R702 2125 POWER ON Green GND2 R705 STAND-BY 2125 POWER SAVE Orange P701 501568-10H Q701 R706 2SC5383-T111-1F LEDR R726 LEDG Q702 R711 2SC5383-T111-1F...
  • Page 81 D8MW Schematic Diagram page MENU INPUT VOL_DOWN VOL_UP CH_DOWN CH_UP /SELECT /EXIT RESET S806 S805 S804 S803 S802 S801 S807 KSS6N23CTJ KSS6N23CTJ KSS6N23CTJ KSS6N23CTJ KSS6N23CTJ KSS6N23CTJ KSS6N23CTJ GND3 GND3 GND3 R801 R802 R803 R804 4.7k 2.7k 1.5k 1.0k P801 501568-04H ADKEY1 ADKEY2 R814...
  • Page 82 D8MW Schematic Diagram page F9A1 G003 6.3A250V 2 NF9A1 K9A2 C9A3 L9A1A L9A2A 2200p/400 30x30 PPU1 30x30 VH-03V-D(#2NC) Z001 P9A1 AC-INLET to Power Supply Unit C9A1 C9A2 0.22 0.22 L9A1C L9A2C 32x32 Z002 32x32 C9A4 K9A3 2200p/400 G004 LIVE COLD E001 E002 01Bin...
  • Page 83 D8MW PRINTED CIRCUIT BOARDS page 1/5 Main board, components side TABLE OF CONTENTS...
  • Page 84 D8MW PRINTED CIRCUIT BOARDS page 2/5 Main board, solder side TABLE OF CONTENTS...
  • Page 85 D8MW PRINTED CIRCUIT BOARDS page 3/5 Terminal board Terminal board (Component side) (Solder side) TABLE OF CONTENTS...
  • Page 86 D8MW PRINTED CIRCUIT BOARDS page 4/5 Control board Control board (Component side) (Solder side) LED board LED board (Component side) (Solder side) IR board IR board (Solder side) (Component side) TABLE OF CONTENTS...
  • Page 87 D8MW PRINTED CIRCUIT BOARDS page 5/5 Filter board (Component side) Filter board (Solder side) TABLE OF CONTENTS...
  • Page 88 SPEAKER UNIT R HA02581 POWER UNIT PS-92 F9A1 FN00562 5.2X20MM FUSE 50CT 063H MISCELLANEOUS #400 QD61456 D8M UT42 B/C ASY HITACHI (V) STAND SUPPORT ASSEMBLY #200B QD64112K D8M L42 BEZEL ASS’Y US #500B QJ05194 D8M L42 STAND BLACK #200P QD64115K D8M L42 BEZEL ASS’Y US...
  • Page 89 D8MW MAIN PARTS VIEW Power Supply T-con board Board (part of the LCD panel) HA02581 PANEL DD02671K Inverter board M Inverter board S HP02671 HP02671 (PH-BLC187) (PH-BLC187) Power switch/IR board part of UX34953 Left Speaker GM01867 Filter board Control panel LED board Right Speaker Terminal board...
  • Page 90 PA NO. 0239 MADE IN MEXICO...

This manual is also suitable for:

Ut42v702/d8mw

Table of Contents