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Hitachi HDR081 Service Manual

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Hitachi HDR081 User Manual
Hitachi HDR081 User Guide
Hitachi HDR081 Online Manual

Text of Hitachi HDR081 User Guide:

  • SERVICE MANUAL DISPLAY ERROR 1)Control the 3.3V , VFDDATA&DISPCLK signals on the PL 453. 2) Control the transistors Q410 ,Q404 ,Q403 around the PL610 connector. 3) Control the IC2 on the front board. OSD ERROR 1) Control the sections that are written in the first part. CRASH&SW LOCKED 1) There may be a SW error. Load the sw again. 2) Control the X100 cryst

  • Hitachi HDR081, SERVICE MANUAL Controller Electrical characteristics: Output voltages of the transformer (TR2): (i) 3.3V: 5100 IC (IC101),flash memory (IC 1), tuner and other components. (ii) 5V: Front panel board, Tuner , and some ICs and circuits. (iii) 12V: hard disk and some other ic and circuits (iv) -25V :flaman voltage 16fp38-3 front board VFD Driver/Controller IC PT6311(IC2) • CMOS Technology • Low Power Consumption • Key Scanning (12 x 4 matrix) • Multiple Display Modes: (12 segments, 16 digits to 20 segments, 8 digits) • 8-Step Dimming Circuitry • LED Por

  • SERVICE MANUAL USED IC LISTS MAINBOARD ( B )16M 31-1 Sti5100 (IC101) Set Top Box Backend Decoder with Integrated Host Processor eiver Gate IC900 r/Line Driver Transceiver with 3-STATE Outputs 0mA IC DDRRAM32MX16 (1 PW81 -2) MAX232 (IC601) RS232 Driver / Rec 74LVC244 (IC878) IC 3-ST BUFFER 74LVX00 (I

  • Hitachi HDR081, SERVICE MANUAL audio is downmixed before emerging as stereo or Dolby Pro Logic compatible encoded audio. Simultaneous MPEG audio decoding and output of Dolby streams on the S/PDIF is also supported. SRS Labs’ TruSurroundXT is also provided for two speaker virtual surround sound. The integrated DACs provide analog stereo output directly from the device using a single-ended interface.Multichannel streams can be passed through to the IEC958 output for external decoding. Audio sample rates of 32 kHz, 44.1 kHz and 48 kHz are supported.The audio digital-to-analog converter is a high performance stereo audio converter operating at 256 Fs

  • Hitachi HDR081, SERVICE MANUAL 16PW810-2 Power board 16MB07 E3 Board Power Consumption Voltage Current mA Power Watts 11.7W +12V +5V STAND_BY +3V3 ---- Voltage Current mA Power Watts 19W +12V +5V POWER_ON +3V3 The Sanken concept is used for power supply. Sanken SRTW6252 is designed. The receiver works between 85 and 265 VAC mains voltage by using STRW6252 .In SMPS applications, secondary voltage regulation is adjusted according to the feedback voltage from the secondary side of transformer. The feedback voltages are 3.3V and 5V. This is connected to the comparator pin of STRW6252 via IC2 (Optocoupler). The comparator pin also protec

  • Hitachi HDR081, SERVICE MANUAL HY29LV320 32 Mbit (2M x 16) Low Voltage Flash Memory (IC1) Low Voltage Single Supply Flash Memory Single Power Supply Operation – Read, program and erase operations from 2.7 to 3.6 volts – Ideal for battery-powered applications _ High Performance – 70, 80, 90 and 120 ns access time versions for full voltage range operation _ Ultra-low Power Consumption (Typical/ Maximum Values) – Automatic sleep/standby current: 0.5/5.0 µA – Read current: 9/16 mA (@ 5 MHz) – Program/erase current: 20/30 mA _ Top and Bottom Boot Block Versions – Provide one 8 KW, two 4 KW, one 16 KW and sixty-three 32 KW sectors _ Secured Sector – An

  • Hitachi HDR081, SERVICE MANUAL DDRAM HYNIX 512MBits The HY5DU12422C(L)TP, HY5DU12822C(L)TP and HY5DU121622C(L)TP are a 536,870,912-bit CMOS Double Data Rate(DDR) Synchronous DRAM, ideally suited for the main memory applications which requires large memory density This Hynix 512Mb DDR SDRAMs offer fully synchronous operations referenced to both rising and falling edges of the clock. While all addresses and control inputs are latched on the rising edges of the CK (falling edges of the /CK), Data, Data s

  • Hitachi HDR081, SERVICE MANUAL SCART CONNECTION 20 18 16 14 12 10 8 6 4 2 21 19 17 15 13 11 9 7 5 3 1 TV Scart Socket TV Scart Sock PL1et – 01 Pin Description Pin Description 1 Audio Right Output nnection 12 No Co 2 No Connection 13 GND 3 Audio Left Output 14 GND 4 GND 15 RED Output 5 GND 16 Fast Blanking Output 6 No Connection 17 GND 7 BLUE Output 18 GND 8 Function Switching Output 19 CVBS Output 9 GND 20 No Connectio

  • Hitachi HDR081, SERVICE MANUAL 16sc31-2 scart board STV6414Audıo/Vıdeo Switch Matrix(IC200) • I²C Bus Control • Standby Mode with Interrupt Signal Output • Video Section • 3 CVBS Inputs, 2 CVBS Outputs • 3 Y/C Inputs, 2 Y/C Outputs • 6dB Gain on all CVBS/Y and C Outputs • Integrated 150W Buffers • 2 RGB/FB Inputs, 1 Tri-state RGB/FB Output with 6dB Adjustable Gain (from +3dB to +9dB) • Video Muting on all Outputs • 2 Slow Blanking Inputs/Outputs • Sync Bottom Clamp on all CVBS/Y and RGB • Inputs, Average Clamp on C Inputs • Bandwidth: 15MHz •

  • Hitachi HDR081, SERVICE MANUAL ¾ CGMS, Teletext, WSS, VPS and close caption • On-Chip Peripherals ¾ 4 ASCs (UARTS) ¾ 4 parallel 8-bit I/O banks ¾ 2 smartcard interfaces and clock generators ¾ 3 SSCs for I²C/SPI master/slave interfaces ¾ Silicon Labs line side (DAA) interface ¾ High-speed USB OHCI/EHCI compliant host interface ¾ DiSEqC interface 3. Architecture overview The figure below shows the architecture of the Sti5100. This chapter gives a brief overview of each of the functional blocks of the STi5100. 4.

  • Hitachi HDR081, SERVICE MANUAL CONNECTORS Power L451 Connector – P Pin Description 1 +12V 2 GND 3 GND 4 5V 5 +3V3 6 +3V3 7 STBY 8 NC 9 NC AV Connector – PL340 Pin De n scriptio Pin Description 1 +12V 11 C 2 GND 12 FBOUTENC 3 +5V 13 AV_INT 4 GND 14 GND 5 Red 15 LEFT AUDIO 6 Green 16 RIGHT IO AUD 7 Blue 17 GND 8 G ND 18 GND 9 CVBS 19 SDA0 10 Y 20 SCL0 Fr t Panel Conne PL609 on ctor – Pin De n scriptio 1 +5V 2 GND 3 SENSE 4 IR_IN 5 DISP DATA 6

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