Page 1: Table Of Contents
No. 0243 32LD8D20E 32LD8D20EA 32LD8D20U 32LD8D20UA SERVICE MANUAL 32LD8D20UC MANUEL D'ENTRETIEN 37LD8D20E WARTUNGSHANDBUCH 37LD8D20U 37LD8D20UA CAUTION: 37LD8D20UC Before servicing this chassis, it is important that the service technician read the “Safety Precautions” and “Product Safety Notices” in this service manual.
Page 2: Introduction
1. INTRODUCTION 17MB22 Main Board consists of Micronas concept , VCTP as controller. This IC is capable of handling Audio processing, video processing, motion adaptive up conversion(MAU), Scaling-Display processing and FPD control (DPS), unified memory for audio video and Text, 3D comb filter, PC connectivity, OSD and text processing. TV supports PAL, SECAM, NTSC colour standards and multiple transmission standards as B/ G, D/K, I/I’...
Page 3: Audio Amplifier Stage
3. AUDIO AMPLIFIER STAGE WITH MP7722 3.1 General Description The MP7722 is a stereo 20W Class D Audio amplifier, intended for use as low frequency power amplifier in a wide range of applications in radio and TV sets. It uses a minimum number of external components to complete a stereo Class D audio amplifier.
Page 4: Power Stage
3.3 Applications Surround Sound DVD Systems Televisions Flat Panel Monitors Multimedia Computers Home Stereo Systems 3.4 Absolute Ratings 3.5 Pinning 4. POWER STAGE The DC voltages required at various parts of the chassis and inverters are provided by a main power supply unit and power interface board. The main power supply unit is designed for 24V and 12V DC supply.
Page 5: Microcontroller (Vctp)
5. MICROCONTROLLER (VCTP) 5.1 General Features The VCT 6wxyP is dedicated to high-quality FPD and double-scan TV sets. The VCT 6wxyP family is based on functional blocks contained and approved in existing products like VCT 49xxI, VSP 94x5B, and DPS 94xxA. Each member of the family contains the entire audio, video, up-conversion processing for 4:3 and 16:9 50/ 60 Hz progressive or 100/120 Hz interlaced stereo TV sets and the control/data...
Page 6 non-linear colorspace enhancement (NCE) with 32 programmable slopes and sections per RGB component (blue stretch, static black stretch, gamma correction). Dynamic contrast enhancement (DCE) (histogram based black stretch with peak black and activity detection and contrast adaption) Luma sharpness enhancement (LSE) Colour transient improvement (CTI) Selective colour enhancement (SCE) for skin tone correction, blue and green stretch...
Page 7 The TVT provides an integrated general-purpose, fully 8051-compatible microcontroller with television-specific hardware features. The microcontroller has been enhanced to provide powerful features such as memory banking, data pointer, additional interrupts, shared memory access etc. The TVT has an internal XRAM of 32 KB and a BOOT ROM of 4 KB. For operation the code is fetched from a 16bit FLASH, which can be addressed up to 1 MByte.
Page 8 4-level, 24-input interrupt controller Patch module for 16 ROM locations Two 16-bit reloadable timers Capture compare timer for infrared decoding Watchdog timer Uart Real time clock PWM units (2 channels 14-bit, 6 channels 8-bit) 8-bit ADC (4 channels) I2C bus master/slave interface Up to 32 programmable I/O ports 5.5 OSD and Teletext Features The on-chip display unit for displaying Level 1.5 Teletext data can also be used for...
Page 17: Drx 3961A
6. DRX 3961A 6.1 General Desription The DSP-based Analog TV IF Demodulator DRX 396xA performs the entire multistandard Quasi Split Sound (QSS) TV IF processing, AGC, video demodulation, and generation of the sound IF (SIF), requiring only one SAW filter. The IC is designed for applications in TV sets, VCRs, PC cards, and TV tuners.
Page 18: Serial 64K I2C Eeprom
Programmable IF frequency (38.9 MHz, 45.75 MHz, 32.9 MHz, 58.75 MHz, 36.125 MHz etc.) Digital IF processing for the following standards: B/G, D/K, I, L/L’, and M/N Standard specific digital post filtering Standard specific digital video/audio splitting Standard specific digital picture carrier recovery: -Alignment-free -Quartz-stable and accurate -Stable frequency lock at 100% modulation and overmodulation up to...
Page 19: Class Ab Stereo Headphone Driver
RANDOM and SEQUENTIAL READ Modes Self-Timed Programming Cycle Automatic Address Incrementing Enhanced ESD/Latch-Up Protection More than 1 Million Erase/Write Cycles More than 40-Year Data Retention 7.3 Absolute Maximum Ratings 7.4 Pinning 8. CLASS AB STEREO HEADPHONE DRIVER TDA1308 8.1. General Description The TDA1308 is an integrated class AB stereo headphone driver contained in an SO8 or a DIP8 plastic package.
Page 20: Saw Filter X6966M
High slew rate Low distortion Large output voltage swing. Power supply maximum 60 mW to 32 (THD<0.1%) 5V single supply SNR 110 dB Power supply ripple rejection Typically 3 mA supply current at no load 8.3. Pinning 9. SAW FILTER X6966M 9.1 Features: - IF filter for digital cable TV - Plastic package SIP5K...
Page 21 9.2 Pin configuration: 1 Input 2 Input - ground 3 Chip carrier - ground 4 Output 5 Output 9.3 Frequency response:...
Page 22: Ic Descriptions
10. IC DESCRIPTIONS AND INTERNAL BLOCK DIAGRAM LM1117 LM1086 MP1593 FDC642P SIL9011 24LC02 μPA672T M74HC4052 Max809 24LC21 10.1. LM1117 10.1.1. General Description The LM1117 is a series of low dropout voltage regulators with a dropout of 1.2V at 800mA of load current. It has the same pin-out as National Semiconductor’s industry standard LM317.
Page 23 10.1.4. Absolute Maximum Ratings 10.1.5. Pinning 10.2. LM1086 10.2.1. General Description The LM1086 is a low dropout three terminal regulator with 1.5A output current capability. The output voltage is adjustable with the use of a resistor divider. Dropout is guaranteed at a maximum of 500 mV at maximum output current.
Page 24 High Efficiency "Green" Computer Systems SMPS Post-Regulator Power PC Supplies Powering VGA & Sound Card 10.2.4. Absolute Maximum Ratings 10.2.5. Pinning 10.3. MP1593 10.3.1. General Description The MP1593 is a step-down regulator with an internal Power MOSFET. It achieves 3A continuous output current over a wide input supply range with excellent load and line regulation.
Page 25 10.3.2. Features 3A Output Current Programmable Soft-Start 100m Internal Power MOSFET Switch Stable with Low ESR Output Ceramic Capacitors Up to 95% Efficiency 20μA Shutdown Mode Fixed 385KHz Frequency Thermal Shutdown Cycle-by-Cycle Over Current Protection Wide 4.75 to 28V Operating Input Range Output Adjustable from 1.22V Under Voltage Lockout Available in 8-Pin SOIC Package...
Page 26 10.3.5. Electrical Characteristics 10.3.6. Pinning Pin1:BS High-Side Gate Drive Boost Input. BS supplies the drive for the high-side N-Channel MOSFET switch. Connect a 10nF or greater capacitor from SW to BS to power the high side switch. Pin2:IN Power Input. IN supplies the power to the IC, as well as the step-down converter switches.
Page 27 Soft-Start Control Input. SS controls the soft-start period. Connect a capacitor from SS to GND to set the soft-start period. A 0.1μF capacitor sets the soft-start period to 10ms. To disable the soft-start feature, leave SS unconnected. 10.4. FDC642P 10.4.1. General Description This p-channel 2.5V specified MOSFET is produced using Fairchild’s advanced PowerTrench process that has been especially tailored to minimize on state resistance and yet maintain low gate charge for superior switching performance.
Page 28 10.5. SIL9011 The Sil 9011 is a third generation HDMI receiver compatible with the HDMI 1.1 specification. Backwards compatibility with DVI 1.0 allows HDMI systems to connect to existing DVI 1.0 hosts over a single cable. The Sil 9011 is capable of receiving and outputting 2 to 8 channels of digital audio of up to 192kHz.
Page 29 Organized as 1 block of 256 bytes (1 x 256 x 8) 2-wire serial interface bus, I C™ compatible Schmitt Trigger inputs for noise suppression Output slope control to eliminate ground bounce 100 kHz (24AA02) and 400 kHz (24LC02B) compatibility Self-timed write cycle (including auto-erase) Page write buffer for up to 8 bytes 2ms typical write cycle time for page write...
Page 30 10.7.2. Features Two MOS FET circuits in package the same size as SC-70 Automatic mounting supported 10.7.3 Absolute Maximum Ratings 10.7.4 Pinning 10.8. M74HC4052 10.8.1. General Description The M74HC4052 is a dual four-channel analog MULTIPLEXER/DEMULTIPLEXER fabricated with silicon gate C2MOS technology and it is pin to pin compatible with the equivalent metal gate CMOS4000B series.
Page 31 70W TYP. (VCC - VEE = 4.5V) 50W TYP. (VCC - VEE = 9V) WIDE ANALOG INPUT VOLTAGE RANGE: ±6V FAST SWITCHING: tpd = 15ns (TYP.) at TA = 25 °C LOW CROSSTALK BETWEEN SWITCHES HIGH ON/OFF OUTPUT VOLTAGE RATIO WIDE OPERATING SUPPLY VOLTAGE RANGE (VCC - VEE) = 2V TO 12V LOW SINE WAVE DISTORTION: 0.02% at VCC - VEE = 9V HIGH NOISE IMMUNITY: VNIH = VNIL = 28 % VCC (MIN.)
Page 32 10.9. Max809 10.9.1. General Description The MAX809 and MAX810 are cost effective system supervisor circuits designed to monitor VCC in digital systems and provide a reset signal to the host processor when necessary. No external components are required. The reset output is driven active within 10 _sec of VCC falling through the reset voltage threshold.
Page 33 10.9.4 Pinning...
Page 34 10.10. 24LC21 10.10.1. General Description The 24LC21 is a 1K bit electrically erasable programmable memory (EEPROM), organized by 8 bits.This device can operate in two modes: Transmit Only mode and I2C bidirectional mode. When powered, the device is in Transmit Only mode with EEPROM data clocked out from the rising edge of the signal applied on VCLK.
Page 35: Service Menu Settings
10.10.4 Pinning 11.SERVICE MENU SETTINGS In order to reach service menu, First Press “MENU” Then press the remote control code, which is “4725” 11.1. Video Setup Picture Mute <..> If “Yes” selected, “Picture mute” feature is active. Blue Screen <..> If “Yes”...
Page 36 SRS WOW Virtual Dolby Surround <..> If “Yes” selected, Virtual Dolby Surround feature is seen in “Sound” menu with selected Virtual Dolby Text. Virtual Dolby Text The selected item is seen as Virtual Dolby Srround Text. Virtual Dolby 3D Panorama AVL <..>...
Page 37 Select Languages <..> “Yes” selected languages are seen as option under the “Language” item in “Feature” menu Language Set 1 o German <..> o French <..> o Spanish <..> o Italian <..> o Danish <..> o Finnish <..> o Swedish <..> Language Set 2 o Greek <..>...
Page 38 11.5. Service Scan/Tuning Setup Search for L/L’ <..> Pref. Search Standard <...> BG, DK, I L/L’ Station Ident <..> ATS Delay Time (ms) <..> Value between 20 to 250 Color Killer Threshold <..> Value between 0 to +255 Tuner Options <..> Control Byte <..>...
Page 39 x Colour Temp <..> Cool Normal Warm x Contrast <..> Value between 0 to +63 x Brightness <..> Value between 0 to +63 x Sharpness <..> Value between 0 to +15 x Colour <..> Value between 0 to +63 x Backlight <..> Value between 0 to +255 x R <..>...
Page 40 NO DEFECT APPEARANCE DEFECT IDENTIFICATION AND SOLUTIONS When the TV is operated for the first time, IC403 E2Epron is plugged empty, after the programming process of the first values has finished, TV will switch on by itself. STANDBY LED lights but the TV switches on Are there 3.3V on IC001's bottomright pin? If no, 3.3V are not drawing in, there can be an error in PW board;...
Page 43 13.3. DRX (IF Demodulator) Block Diagram...
Page 44 13.4. VCTP 14.4.1. General Block Diagram...
Page 45 13.4.2. MSP Block Diagram...
Page 47 13.5. TDM1300 HARDWARE DESCRIPTION (IDTV) Item Description 4-layer EMMA2LL (NEC) MPEG decoder 29LV160TE (Spansion, Eon) 2MB FLASH DDRAM EDD1216AATA ( Elpida, Nanya) 16MB CS4335 (Crystal) Audio DAC Video AMP FMS6145 (Fairchild) COFDM DRX3973D (Micronas) Demodulator Tuner DTT7103 (Thomson) DTOS401TH17XA (Samsung) VCXO PI6CX100-27 (Pericom) Buck Regulator...
Page 48 13.5.1 IDTV Module Block Diagram ANALOG AV CON POWER IF INPUT BUCK SAW Filter VIDEO AUDIO 3.3V 1.8V 1.5V LIN.REGULATOR S/PDIF EMMA2LL COFDM DEMOD 16 MB CPU + MPEG DECODER DDRAM VCXO 2 MB PROGRAM FLASH (UART) JTAG DIGITAL AV CON BUFFERS &...
Page 49: Connectors
14. CONNECTORS 14.1. POWER Connector Description +12/24V +12/24V 14.2. EMMA2LL JTAG Connector Description JTCLK 3.3V JTDO JTMS JTRST JTDI 14.3. ANALOG AV Connector Description Description 1 DVB_SCL 2 DVB_SDA 3 GND DVB_R_AUDIO 4 GND DVB_L_AUDIO 5 IRQ 6 DVB_RX DVB_IN_CVBS 7 DVB_TX 8 GPIO4 DVB_IN_B / DVB_IN_C...
Page 50 14.4. IF Connector Description IF + IF - 14.5. PROGRAMMING Connector Description 14.6. S/PDIF Connector Description S/PDIF 14.7. DIGITAL AV Connector Description Description 1 I2S Word Select 11 GND 2 I2S Serial Clock 12 Digital Video Pixel Clock 3 I2S Serial Data 13 Digital Video Y/Cb/Cr DATA7 4 GND 14 Digital Video Y/Cb/Cr DATA6...
Page 51 14.8. PCMCIA Connector Signal Description Signal Description 35 GND Ground Ground 36 CD1# Data bit 3 Card Detect 37 MDO3 Data bit 4 MPEG Data Out 3 38 MDO4 Data bit 5 MPEG Data Out 4 39 MDO5 Data bit 6 MPEG Data Out 5 40 MDO6 Data bit 7...
Page 52: Concept Ics
15. CONCEPT ICs 15.1. μPD61115 15.1.1 Description The μPD61115 device is a member of the second generation of multimedia processors based on NEC’s Enhanced MultiMedia Architecture (EMMArchitecture). These devices provide nearly all the functionality required to realise a high performance and cost-effective digital set-top box or integrated digital TV. 15.1.2 Features MPEG1 and MPEG2-TS/PS compliant High performance MIPS32™...
Page 53 15.2.2 Features Highest level of front-end integration and flexibility: Integrated PGA (programmable gain amplifier) 30 dB Single 8 MHz SAW filter operation 2 AGC control signals available for RF and IF amplifier control Flexible clock reference options Re-use of 4 MHz tuner clock reference Pre-SAW sense input for optimal RF AGC setting and RF-level measurement Excellent digital reception performance: Superior digital and analog adjacent channel performance (>...
Page 54 15.3.2 Description The PI6CX100-27 is a low-cost, high-performance 3.3V VCXO, designed to replace expensive VCXO modules. The on-chip Voltage Controlled Crystal Oscillator accepts a 0 to 3.3V input voltage to cause clocks to vary by ±120ppm. This device uses an inexpensive external pullable crystal at 27 MHz to produce the same output frequency.The PI6CX100-27 is designed for Set-Top Box applications.
Page 55 15.5.2 Applications Cable set top boxes Satellite set top boxes DVD players HDTV Personal video recorders (PVR) Video on demand (VOD) 15.5.3 Description The FMS6145 Low Cost Video Filter (LCVF) is intended to replace passive LC filters and drivers with a low-cost integrated device.
Page 56 Thermal Shutdown Cycle-by-Cycle Over Current Protection Wide 4.75 to 28V Operating Input Range Output Adjustable from 1.22Vs Under Voltage Lockout Available in 8-Pin SOIC Package 15.6.3 Applications Distributed Power Systems Battery Chargers Pre-Regulator for Linear Regulators Flat Panel TVs Set-Top Boxes Cigarette Lighter Powered Devices DVD/PVR Devices...
Page 57: Replacement Parts
16. REPLACEMENT PARTS THE UPDATED PARTS LIST FOR THIS MODEL IS AVAILABLE ON ESTA...
Page 58: Assembly Drawing
17. ASSEMBLY DRAWING [For 37-inch models ONLY] No. 0243 EXPLODED VIEW...
Page 59 [For 32-inch models ONLY] No. 0243 EXPLODED VIEW...
Page 60: Schematic Diagrams
18. SCHEMATIC DIAGRAMS 330R_100MHZ_3A 3V3_DRX L103 VCC_5V L114 5V_DRX L117 L112 SHEET 8 12V_IF VCC_12V VGA_MUX_SW PL100 DIGITAL IF CONNECTOR X100 L116 YPBPR_MUX_SW 3V3_DRX C134 L104 R139 VCC_3V3 AUDIO_MUX_SW S100 20.25MHz N.C. 5V_TUNER L102 5V_TUNER DRX_CLK PTC RES SYNC_SW1 C101 VCC_5V SHEET3 1UF 16V...
Page 61 R332 R333 VCC_8V VCC_8V C266 C229 SC3_AUDIO_R_OUT SC2_AUDIO_R_OUT TO SHT7 R290 BC858B C267 R206 100R Q208 BC858B 100R SC1_AUDIO_R_OUT Q201 BC858B Q207 C218 VCTP_AOUT1R SHT3 R232 L211 330R LINE_R_OUT Q205 SHT3 C268 BC848B SC3_AUDIO_L_OUT VCTP_AOUT2R R273 R278 VCTP_AOUT1L 150R SC2_CVBS_OUT R291 VCTP_AOUT2L BC858B...
Page 62 L415 5V_COM VCC_5V KEYBOARD R543 R487 PC STANDBY MODE PL403 SYNC DETECTION R467 PL402 IDTV DIGITAL INTERFACE [FFC TYPE] IC405 VSUP_3V3_COM KEYBOARD CONN. KEYBOARD IDTV_HSYNC 1 Y0 5V_COM SHEET 2 R544 HDMI_HSYNC 2 Y2 HDMI_VSYNC VSUP_3V3_COM KEYBOARD R432 R554 PIP_CLK HSYNC 3 COM_Y_OUT_IN PC_VSYNC...
Page 63 SHEET2 S612 OPTIONAL L603 HP_OUT_L VIN_24V AMP_24V BC558B Q603 VCC_5V D611 L604 1N4148 22uH_3.9A_SMD IC600 D610 C614 C3V6 C636 1000UF 30000361 USED 8 VDD OUTA HP_OUT_R 100u SHEET3 TO REDUCE POWER C623 R613 ON HP POPPING IF AMP_MUTE HIGH ENOUGH TO ENABLE AMPLIFIER OPTIONAL RESISTOR WILL BE USED 7 OUTB INA- HEADPHONE_R...
Page 64 VCC_1V8 IC101 LM1117 3 IN VCC_3V3 HDMI_1V8 VOUT R103 D104 P1_CBL5V E1_VCC5V D103 1N4148 R102 HOTPLUG2_DET P2_CBL5V E2_VCC5V 1N4148 IC102 HOTPLUG_DET LM1117 S130 3 IN VCC_5V HDMI_3V3 VOUT HOTPLUG1_DET Q104 Q105 Q110 R143 2N7002 2N7002 BSN20 P2_CBL5V P1_CBL5V P2_CBL5V R117 R1_PWR5V R115 R2_PWR5V...
Page 65 PIP_DECODER_3V3 100n C847 C846 SHEET3 ,8 PIP TUNER/IF/ R824 Q802 PIP_CVBS_OUT 100R BC848B VPX DECODER SHEET3 C839 R832 L805 S802 VIN1 PIP_DATA7 NCS6416 OPT 470n AVSS PIP_DATA6 C849 C848 CIN2 PIP_DATA5 L808 100n PIP_DECODER_5V AVDD PIP_DATA4 C835 330R_100MHZ_3A PIP_DECODER_3V3 XTAL1 PVDD VCC_5V PIP_DECODER_3V3...
Page 66 VCC_10V_AUDIO IC901 IC903 IC905 SHT1 DRX SHT1 DRX 600R_100MHZ_200mA 600R_100MHZ_200mA C936 VGA_MUX_SW YPBPR_MUX_SW VCC_5V_VIDEO 600R_100MHZ_200mA VCC_5V_VIDEO VCC_10V_AUDIO L904 L908 VCC_5V_VIDEO VCC_5V_VIDEO 100k 100k L909 SHT2 C900 R918 R900 PC_R YPBPR_PR SHT2 R932 R901 R919 220n 220n 100k 100k PC_AUDIO_R_IN R929 SHT2 C920 HD_AUDIO_R...
Page 67 C075 USE IF PW15 OR PLASMA L084 100n L083 R070 R073 IC007 150k 160k LIPS OPT. N.C. N.C. PL081 C078 IC080 PANEL_5V C076 VCC_12V R075 VCC_12V PL080 FPGA SUPPLY COMP VCC_12V R072 R074 L085 VCC_12V R080 R083 MP1593-DC/DC IDTV SUPPLY PL001 VIN_24V L070...
Page 68 3.3V_D R216 C108 C130 RDATA0 C131 C132 100n 100n R197 100n RDATA1 100n Q102 R198 BC848B RDATA2 1.5V_D 100n 100n 100n R199 100n 100n 100n RDATA3 S102 C105 C106 R200 C107 RDATA4 R201 RDATA5 R219 RDATA6 Q103 PL102 BC848B R203 PPORT0 GND-13 RDATA7...
Page 69 IC202 IC203 RAM_VDD C213 L201 VDD1 VSS3 VDD1 VSS3 C201 C223 3.3V_D FERRITE DQ15 DQ15 DQ15 VDDQ1 VSSQ5 DQ15 DQ14 DQ14 VDDQ1 VSSQ4 DQ13 DQ13 IC201 C219 VSSQ1 VDDQ5 RADD16 RADD17 DQ14 DQ14 DQ12 DQ12 DQ11 DQ11 C202 C214 BYTE DQ13 VDDQ2 VSSQ4...
Page 70 PL301 C320 C321 C328 2.2n PL302 OUT2 5 C322 C329 2.2n OUT1 4 C323 Z301 X6966M C330 C332 1.8VA_DEMOD C324 C327 R330 100n 100n ANALOG AV CONNECTOR 100R SCLK_TUNER R331 100n 100n SDATA_TUNER 100R IC302 R311 ENC_BLUE_S/C 1 IN1 OUT1 DVB_BLUE_S/C R332 49 NC8...
Page 71 IC401 IC402 IC403 IC404 IC405 48 OE1 T/R1 SW_CNTRL_INV 48 OE1 T/R1 SW_CNTRL T/R1 CI_POWER_CNTRL 48 OE1 T/R1 3.3V_BUF GCSB0 47 A0 MDI_0 47 A0 MDO_0 RADD0 47 A0 46 A1 MDI_1 46 A1 MDO_1 RADD1 46 A1 45 GND8 GND1 45 GND8 GND1...
Page 72 IC502 LM1117 C515 C523 3 IN 3.3V VOUT D502 C522 C526 C521 2.5V 3.3V 1N4007 IC503 LM1117 C516 C524 3 IN 1.8V PL501 VOUT TP502 L501 C501 C505 FERRITE C508 L502 L503 TP501 22uH FERRITE IC504 LM1117 C517 C525 C529 3 IN 1.5V VOUT...
Page 73 [For 32LD8D20EA, 32LD8D20UA and 37LD8D20E models] S808 Q828 S807 S812 TR805 L814 PL809 BU2508AF F800 TRF_SAFE_TFT_RES Q829 3.15A S811 L817 STPS_3P_ S809 10L60CFP D800 GBU4M L815 R847 C890 5VREF S810 450V L802 PL801 2u7_RESONANT TR806 L816 210u Q815 SMPS-RESONANT_PFC R961 +400V +24V L810...
Page 74 [For 32LD8D20E, 32LD8D20U, 37LD8D20U and 37LD8D20UA models] TR806 SMPS-RESONANT_PFC +400V R819 R818 TR805 330k 330k Q829 TRF_SAFE_TFT_RES Q828 BU2508AF MTP3N60E R847 +400V Q815 MTP6N60E/ PL801 C890 SSP7N60A D800 BA159_SMD R897 IC807 5VREF L816 450V GBU4M SW_OFF R961 L810 D831 +400V...
Page 75: Pcb Layout Diagrams
19. PCB Layout Diagrams [17PW15-9 POWER BOARD used in 32LD8D20E, 32LD8D20U, 37LD8D20U and 37LD8D20UA models ONLY] S914 C495 R420 R487 PL210 LIVE L904 S911 R403 PL200 C873 R543 S462 C873 R1010 R224 C918 C810 L815 R1008 R1004 R981 R912 S908...
Page 76 [17PW15-9 POWER BOARD used in 32LD8D20E, 32LD8D20U, 37LD8D20U and 37LD8D20UA models ONLY] POWER BOARD (17PW15-9) MAIN BOARD (17MB22-2) TDM1300 IDTV MODULE FAV BOARD (17FAV15) BOARD (16MB1300-E1) No. 0243 PHOTOGRAPHS OF CHASSIS AND BOARDS...
Page 77 Fax: +46 (0) 8 562 711 13 Tel: +39 02 38073415 Servizio Clienti Email: csgswe@hitachi-eu.com Fax: +39 02 48786381/2 Email: customerservice.italy@hitachi-eu.com HITACHI EUROPE S.A.S HITACHI EUROPE LTD (Norway) AB Lyon Office STRANDVEIEN 18 B.P. 45, 69671 BRON CEDEX 1366 Lysaker FRANCE...

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