Av tuner receiver / 5 and 7-channel power amplifier / dvd/sacd player / av surround sound receiver / dvd/cd players / dvd/cd/mp3 player / av surround sound receiver / stereo integrated amplifier / cd player (20 pages)
PRODUCT SAFETY SERVICING GUIDELINES CAUTION : DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN VOLTAGE MEASURE MUST NOT EXCEED 75 VOLTS R.M.S. ANY WAY. NEVER PERFORM CUSTOMIZED INSTALLATIONS THIS CORRESPONDS TO 0.5 MILLIAMP AC ANY VALUE WITHOUT MANUFACTURER’S APPROVAL. UNAUTHORIZED EXCEEDING THIS LIMIT CONSTITUTES A POTENTIAL MODIFICATIONS WILL NOT ONLY VOID THE WARRANTY, BUT SHOCK HAZARD AND MUST BE CORRECTED IMMEDIATELY.
SERVICING PRECAUTIONS CAUTION : Before servicing the A/V Receiver covered by this Electrostatically Sensitive (ES) Devices service data and its supplements and addends, read and follow the Some semiconductor (solid state) devices can be damaged easily by SAFETY PRECAUTIONS. NOTE : if unforeseen circumstances static electricity.
EXPLODED VIEW (AH VER.) before SN A9YVISOTWO06301 1-10...
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VISO TWO INPUT PCB ASSY AH version NON-1W COP12048B-A VISO TWO AMP & VIDEO & POWER PCB ASSY C version NON-1W will ship with standby supply COP12048C VISO TWO AMP & VIDEO & POWER PCB ASSY AH version NON-1W will ship with standby supply...
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EXPLODED VIEW (C VER.) before SN A9YVISOTWO06301 1-12 1-13...
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VISO TWO INPUT PCB ASSY AH version NON-1W COP12048B-A VISO TWO AMP & VIDEO & POWER PCB ASSY C version NON-1W will ship with standby supply COP12048C VISO TWO AMP & VIDEO & POWER PCB ASSY AH version NON-1W will ship with standby supply...
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IC BLOCK DIAGRAMS & PIN DESCRIPTION ..................2-2 SPECIAL FUNTION KEY..........................2-43 TROUBLESHOOTING ..........................2-44 DIAGRAM..............................2-47 1. BLOCK DIAGRAM ..........................2-47 2. WIRING DIAGRAM ..........................2-49 3. SCHEMATIC DIAGRAM ........................2-51 • FRONT PART ..........................2-51 • MCU & INPUT PART........................2-53 •...
IC BLOCK DIAGRAMS & PIN DESCRIPTION MCU(T5CC1) : IC21 Pin Assignment and Pin Functions The assignment of input/output pins for the T5CC1, their names and functions are as follows: 88 P65 DVCC 87 P64/SCOUT 86 P63/INT0 DVSS 85 P62/SI/SCL P50/AN0 84 P61/SO/SDA P51/AN1 83 P60/SCK...
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I.C PIN DESCRIPTIONS (IC45 : AUDIO DSP : CS494003) Function PIN No PIN Name UHS0 DSP C Control Mode Select BIT 0 DSP C Control Mode Select BIT 0 HUS1 Open-drain interrupt-request output INTREQ,ABODY Host Address Bit One or SPI Serial Control data input FA1,FSCDIN General Purpose output GPIO20...
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Function PIN No PIN Name SDRAM Data Bus 14 SD_DATA14 No Connect (Ground) SDRAM Data Bus 13 SD_DATA13 SDRAM Ground VSSSD3 VDDSD3 SDRAM Power Supply SD_DATA12 SDRAM Data Bus 12 SD_DATA11 SDRAM Data Bus 11 SDRAM Data Bus 10 SD_DATA10 SDRAM Data Bus 9 SD_DATA9 SDRAM Data Bus 8...
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Function PIN No PIN Name HDATA6 DSP C Bidirectional data bus 6 HDATA5 DSP C Bidirectional data bus 5 SCLK1 Audio output bit clock Audio Master clock MCLK 2.5V Supply Voltage VDD2 VSS2 2.5V Ground AUDATA4 Digital Audio Output 4 HDATA4 DSP C Bidirectional data bus 4 Audio output bit clock...
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VIDEO DRIVER IC : IC55 z z z z %ORFN GLDJUDP CTRAP COUT 75Ω MUTE1 MUTE1 TEST TEST 1.5-6M 75Ω MIXOUT MIXFB YTRAP CLAMP CLAMP 75Ω YOUT PYIN PYTRAP PYOUT 75Ω PYFB PbIN PbOUT PrIN 75Ω N.C. MUTE2 MUTE2 PrOUT PrTRAP 75Ω...
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Device Pin-out LSDP HSDP_EN# DT4_MODE SC_TX_OUT HSDP_CLK SC_RX_IN HSDP_DATA RFU (I2C_SCL) XM/DT IC RFU (I2C_SDA) TEST Rev 3B/4A SC_RATE ANT_REV OSC_IN RESET# OSC_OUT SLAVE_SEL 2-18...
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Pin Descriptions Table 3.2 Pin Descriptions Direct- Function Function Pin Name Notes in Slave Mode in Master Mode S=In Out= 4mA, SLC 1 LSDP Low Speed Data Port Input Low Speed Data Port Output M=Out In=LVTTL S/T S=Out System Controller Bus (CBM) System Controller Bus (CBM) 3 SC_TX_OUT 4mA, SLC...
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Direct- Function Function Pin Name Notes in Slave Mode in Master Mode S=In High Speed Data Port Data High Speed Data Port Data Out= 4mA, SLC 32 HSDP_DATA M=Out Input Output In=LVTTL S/T S=In High Speed Data Port Clock High Speed Data Port Clock Out= 4mA, SLC 34 HSDP_CLK M=Out...
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FUNCTIONAL BLOCK DIAGRAM 1Mx16 Synchronous DRAM Self Refresh Counter Refresh Refresh Interval Timer Counter 512Kx16 Bank 0 Address[0:10] Sense AMP & I/O gates Column Decoder Address Precharge Register Row Active BA(A11) Column Addr. Column Active Latch & Counter Overflow Burst Length Counter DQ10 DQ11...
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64M SDRAM (M12L64164A) : IC12 PIN ASSIGNMENT FUNCTIONAL BLOCK DIAGRAM Top View DQ15 DQ 0 D D Q S S Q DQ14 Clock DQ 1 Generator Bank D DQ 2 DQ13 Bank C D D Q S S Q Bank B DQ12 DQ 3 Address...
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Pin description PIN No Pin Name Function VINFC Input for focus driver TRB_1 Connect to external transistor base REGO2 Regulator voltage output, connect to external transistor collector VINSL+ Input for the sled driver REGO1 Regulator voltage output, connect to external transistor collector Tray driver forward input Tray driver reverse input Vcc1...
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Flash Memory (M29W160ET) : IC11 Signal Names Logic Diagram A0-A19 Address Inputs DQ0-DQ7 Data Inputs/Outputs V CC DQ8-DQ14 Data Inputs/Outputs DQ15A–1 Data Input/Output or Address Input A0-A19 DQ0-DQ14 Chip Enable DQ15A–1 Output Enable M29W160ET Write Enable M29W160EB Reset/Block Temporary Unprotect Ready/Busy Output BYTE BYTE...
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VIDEO SW IC (NJM2595) : IC51, IC52, IC53 5-INPUT 3-OUTPUT VIDEO SWITCH • • 5-input 3-output • Operating Voltage 4.0 to 6.5V • Operating current 15mAtyp. at Vcc= 5V • Crosstalk -65dBtyp. • Internal 6dB Amplifier • Internal 75 Driver •...
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INVERTER IC (TC74HCU04AFN) : IC50 PIN ASSIGNMENT LOGIC SYMBOL (10) (11) (13) (12) TRUTH TABLE 2-30...
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LOGIC IC : IC30 / IC38 (74LCX08MX) Logic Symbol Connection Diagrams IEEE/IEC Pin Assignments for SOIC, SOP, and TSSOP Pad Assignments for DQFN Pin Descriptions Pin Names Description Inputs Outputs (Top View) N JM 2068MD (OP A M P) : IC32, IC33, IC34 •...
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OR GATE : IC48(74LCX32TTR) Pin Connection And IEC Logic Symbols 2-32...
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MULTIPLEXERS : IC49(74VHC157FT) Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of these devices as translators in a mixed 3.3-V/5-V system environment. FUNCTION TABLE INPUTS OUTPUT OUTPUT logic diagram (positive logic) Pin numbers shown are for the D, DB, J, NS, PW, RGY, and W packages. 2-33...
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Pin Layout MCLK DZFL BICK DZFR SDTI LRCK View VCOM SMUTE/CSN AOUTL ACKS/CCLK AOUTR DIF0/CDTI PIN/FUNCTION Pin Name Function MCLK Master Clock Input Pin An external TTL clock should be input on this pin. BICK Audio Serial Data Clock Pin SDTI Audio Serial Data Input Pin LRCK...
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FET : IC14(HN1K05FU) Equivalent Circuit Marking (top view) (Q1, Q2 common) Switching Time Test Circuit (a) Test circuit (b) V 1.5 V = 1.5 V 1.5 V D.U. < = 1% < 5 ns = 50 W) (c) V Common Source 10 ms Ta = 25°C DS (ON)
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VIDEO SW IC(PI5V330) : IC56, IC59 Low On-Resistance Wideband/Video Quad 2-Channel Mux/DeMux Features Description • High-performance solution to switch between video sources Pericom Semiconductor’s PI5V330 is a true bidirectional Quad 2-channel multiplexer/demultiplexer recommended for both RGB • Wide bandwidth: 200 MHz and composite video switching applications.
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RESET IC(RH5VT18C) : IC25 BLOCK DIAGRAMS – Vref TIME CHART Released Voltage Detector Threshold Hysteresis Detected Voltage –V Supply Voltage Minimum Operating Voltage Output Voltage (OUT) DEFINITION OF OUTPUT DELAY TIME t + 2.0V Input Voltage 0.7V +2.0V Output Voltage + 2.0V 2-40...
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RS232 TRANSCEIVER : IC28 PIN CONFIGURATION PIN DESCRIPTION PIN No SYMBOL NAME AND F UNCTION Positive Terminal for the first Charge Pump Capacitor Doubled Voltage Terminal Negative Terminal for the first Charge Pump Capacitor Positive Terminal for the second Charge Pump Capacitor Negative Terminal for the second Charge Pump Capacitor Inverted Voltage Terminal Second Transmitter Output Voltage...
SPECIAL FUNTION KEY FEATURE REMOTE KEY OPERATING FRONT KEY OPERATING AM FUNCTION STATE Micom Reset(Host+Mpeg) PLAY KEY(SHORT) -> STOP(SHORT) KEY-> DISPLAY(LONG) KEY AM FUNCTION STATE HOST Soft version Display PLAY KEY(SHORT)-> STOP(SHORT) KEY-> TUNER MODE(LONG) KEY SET UP ON STATE MPEG Soft version&Region Display NURBER "2"...