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DTR-6.6 3 7 63 1515 0 Ref. No. 3915 SERVICE MANUAL SERVICE MANUAL Nov., 2005 AV RECEIVER DTR-6.6 MODEL DTR-6.6 Black model L 13942296513 BMDD 120V AC, 60Hz BMPA 230V~240V AC, 50Hz RC-621M SAFETY-RELATED COMPONENT WARNING!! THE MARK FOUND ON SOME COMPONENT PARTS INDICATES THE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
DTR-6.6 3 7 63 1515 0 SPECIFICATIONS Amplifier Section General Power Output Power Supply North American: AC 120 V, 60 Hz Australian: AC 230-240 V, 50 Hz 2 channels driven: 100 W + 100 W (8 , 20 Hz~20 kHz, FTC) Power Consumption North American: 7.5 A...
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TX-SR803/E DTR-6.6 3 7 63 1515 0 SERVICE PROCEDURES 1. Replacing the fuses This symbol located near the fuses indicates that the fuse used is fast operating type. For continued protection against fire hazard, replace with same type fuse. For fuse rating refer to the marking adjacent to the symbol.
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DTR-6.6 3 7 63 1515 0 BLOCK DIAGRAM North American models XM-RADIO AMPLIFIER Micro Controller SECTION TUNER PACK XM/DT IC AK4384 Q3003 NJW1157 MIC AMP MICDET -6dB VIDEO4 IN Q3001 RIAA PHONO Q3002 NJU7311AM Z2_L Z2_R MIX_L MIX_R TAPE OUT...
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DTR-6.6 3 7 63 1515 0 BLOCK DIAGRAM AMPLIFIER SECTION POWER AMPLIFIER SPEAKER TERMINALS HEADPHONES +29dB FRONT LEFT +29dB TONE FRONT RIGHT TONE +29dB CENTER Q3007 PREOUT +20.2dB +29dB SURR. LEFT +29dB SURR. RIGHT +29dB SUUR. BACK LEFT +6dB@ZONE2 +29dB SUUR.
DTR-6.6 3 7 63 1515 0 BLOCK DIAGRAM VIDEO SECTION COMPONENT VIDEO INPUT L 13942296513 Q2004 SDET*{OSD+(OSD*SI)} OSD*(SDET+SI) COMPOSITE VIDEO INPUT LC74763-9836 SDET*{OSD+(OSD*SI)} Q2001 VIDEO1 NJM2595 SDET*OSD VIDEO2 Q2101 Q2104 VIDEO3 DIGITAL VIDEO EN DIGITAL VIDEO DECODER ADV7172 ADV7183A...
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DTR-6.6 3 7 63 1515 0 BLOCK DIAGRAM VIDEO SECTION COMPONENT VIDEO OUTPUT RL2201~ RL2203 L 13942296513 RL2204, RL2205 COMPOSITE VIDEO OUTPUT MONITOR Q2107 LA7106M VIDEO1 Q2106 VIDEO2 LA7106M SDET*{OSD+(OSD*SI)} O ENCODER 7172 SDET*{OSD+(OSD*SI)} DACA SDET*{OSD+(OSD*SI)} DACB DACC DACD...
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DTR-6.6 3 7 6 3 1 5 1 5 0 BLOCK DIAGRAM North American models XM-RADIO AMPLIFIER Micro Controller SECTION TUNER PACK XM/DT IC POWER AMPLIFIER AK4384 SPEAKER TERMINALS Q3003 HEADPHONES NJW1157 +29dB FRONT LEFT MIC AMP MICDET +29dB...
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DTR-6.6 3 7 63 1515 0 PRINTED CIRCUIT BOARD VIEW 3 DISPLAY SECTION U072 NAETC-8684, Front video PC b NADIS-8683, L 13942296513 Display circuit PC board u163 http://www.xiaoyu163.com...
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DTR-6.6 3 7 63 1515 0 PRINTED CIRCUIT BOARD VIEW 3 NAETC-8685, U073 DISPLAY SECTION Headphone terminal PC board U075 NAETC-8687, Volume PC board o PC board L 13942296513 NADIS-8683, Display circuit PC board u163 http://www.xiaoyu163.com...
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DTR-6.6 3 7 63 1515 0 PRINTED CIRCUIT BOARD VIEW 3 DISPLAY SECTION NAETC-8685, U073 Headphone terminal PC board U075 NAETC-8687, Volume PC board U072 NAETC-8684, Front video PC board eo PC board NADIS-8683, Display circuit PC board L 13942296513 u163 http://www.xiaoyu163.com...
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DTR-6.6 3 7 63 1515 0 PRINTED CIRCUIT BOARD VIEW 3 DISPLAY SECTION 684, eo PC board eo PC board L 13942296513 NADIS-8683, Display circuit u163 PC board http://www.xiaoyu163.com...
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DTR-6.6 3 7 63 1515 0 PRINTED CIRCUIT BOARD VIEW 4 Power supply and Driver sections U045 U043 U046 NAAF-8668, Driver circuit PC board NAETC-8666, Spea NASW-8669, Power switch PC board L 13942296513 NAPS-8664, Primary circuit PC board u163...
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DTR-6.6 3 7 63 1515 0 PRINTED CIRCUIT BOARD VIEW 4 Power supply and Driver sections U044 NAETC-8667, Speaker terminal C PC board U042 NAPS-8665, Secondary circuit PC board , Speaker terminal PC board L 13942296513 u163 http://www.xiaoyu163.com...
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DTR-6.6 3 7 6 3 1 5 1 5 0 NADG-8660, DSP circuit PC board PRINTED CIRCUIT BOARD VIEW U032 DIGITAL AND MAIN MICRO- PROCESSOR PC BOARD 1 3 9 4 2 2 9 6 5 1 3 U033...
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DTR-6.6 3 7 6 3 1 5 1 5 0 PRINTED CIRCUIT BOARD VIEW NAAR-8661,Main micropocessor PC board DIGITAL AND MAIN MICRO- PROCESSOR PC BOARD U033 1 3 9 4 2 2 9 6 5 1 3 w w w...
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DTR-6.6 3 7 6 3 1 5 1 5 0 PRINTED CIRCUIT BOARD VIEW NAAF-8678,Power amplifier PC board POWER AMPLIFIER SECTION U064 NAAF-8682, Surround back amplifier PC board U061 NAPS-8679, Power transformer terminal PC board 1 3 9 4 2 2 9 6 5 1 3...
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DTR-6.6 3 7 6 3 1 5 1 5 0 PRINTED CIRCUIT BOARD VIEW AMPLIFIER SECTION PC BOARD 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 NAAF-8678,Pow w er amplifier PC board...
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DTR-6.6 3 7 6 3 1 5 1 5 0 NAETC-8685, PRINTED CIRCUIT BOARD VIEW U073 Headphone terminal DISPLAY CIRCUIT PC BOARD PC board U072 U075 NAETC-8687, NAETC-8684, Volume PC board Front video PC board 1 3 9 4 2 2 9 6 5 1 3...
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DTR-6.6 3 7 6 3 1 5 1 5 0 PRINTED CIRCUIT BOARD VIEW IT BOARD VIEW BOARD VIEW DISPLAY CIRCUIT P P C BOARD NAETC-8685, U073 Headphone terminal PC board U075 NAETC-8687, Volume PC board U072 NAETC-8684, Front video PC board...
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DTR-6.6 3 7 6 3 1 5 1 5 0 PRINTED CIRCUIT BOARD VIEW Power supply and U044 Driver sections NAETC-8667, Speaker terminal C PC board U042 NAPS-8665, Secondary circuit PC board U045 U043 NAAF-8668, Driver circuit PC board...
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DTR-6.6 3 7 63 1515 0 ADV7172 (Digital PAL/NTSC Video Encoder with Six DACs (10-Bits)) BLOCK DIAGRAM HSYNC YUV TO 10BIT FIELD/ VIDEO TIMING I C MPU PORT DAC A VSYNC GENERATOR MATRIX BLANK 10BIT DAC B RESET LEVEL...
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DTR-6.6 3 7 63 1515 0 ADV7172 (Digital PAL/NTSC Video Encoder with Six DACs (10-Bits)) TERMINAL DESCRIPTION Name Description P7-P0 8-Bit 4:2:2 Multiplexed YCrCb Pixel Port (P7-P0) P0 represents the LSB. CLOCK TTL Clock Input. Requires a stable 27 MHz reference clock for standard operation. Alternatively, a 24.5454 MHz (NTSC) or 29.5 MHz (PAL) can be used for square pixel operation.
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DTR-6.6 3 7 63 1515 0 IC BLOCK DIAGRAMS AND DESCRIPTIONS ADV7183 (Advanced Video Decoder with 10-Bit ADC and Component Support) P15-P0 BLOCK DIAGRAM PIXEL O/P POR T ADV7183 RESAMPLING LUMA SHAPING PEAKING DELAY HPF/LPF HORIZONTAL BLOCK NOTCH LPF...
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DTR-6.6 3 7 63 1515 0 IC BLOCK DIAGRAMS AND DESCRIPTIONS ADV7183 (Advanced Video Decoder with 10-Bit ADC and Component Support) TERMINAL DESCRIPTION Mnemonic Input/Output Function LLCREF Clock Reference Output. This is a clock qualifier distributed by the inter- nal CGC for a data rate of LLC2.
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DTR-6.6 3 7 63 1515 0 IC BLOCK DIAGRAMS AND DESCRIPTIONS(XM radio only) TPS2012AD/MAX1930ESA(POWER-DISTRIBUTION) Enable input. Logic low turns power switch on. 2 IN Input voltage 3 IN Ground 4 EN Power switch output M30281FAHP(XM MICROPROCESSOR) 1 P91 XM_PWR_CTRL...
DTR-6.6 3 7 63 1515 0 IC BLOCK DIAGRAMS AND DESCRIPTIONS CS42528 (8-Ch Codec with S/PDIF Receiver) VARX AGND LPFLT DGND DGND VD RXP0 RXP1/GPO1 RXP2/GPO2 C&U Bit Control RXP3/GPO3 Data Buffer AD0/CS S/P DIF Clock/Data Port RXP4/GPO4 AD1/CDIN...
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DTR-6.6 3 7 63 1515 0 IC BLOCK DIAGRAMS AND DESCRIPTIONS CS42528 (8-Ch Codec with S/PDIF Receiver) TERMINAL DESCRIPTION Pin Name Pin Description CX_SDIN1 Codec Serial Audio Data Input (Input) - Input for two's complement serial audio data. CX_SDIN2...
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DTR-6.6 3 7 63 1515 0 IC BLOCK DIAGRAMS AND DESCRIPTIONS CS42528 (8-Ch Codec with S/PDIF Receiver) TERMINAL DESCRIPTION Pin Name Pin Description Analog Power (Input) - Positive power supply for the analog section. VARX AGND Analog Ground (Input) - Ground reference. Connects to analog ground.
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DTR-6.6 3 7 63 1515 0 IC BLOCK DIAGRAMS AND DESCRIPTIONS CS494003(Audio Decoder DSP) SAI0 Serial External Memory SAI1 Audio Interface SAI2 Interface SAI3 Compressed DSP C Digital Digital DAO 0 Interface Audio Programmable Frame Output 32-Bit DSP Multi-Standard...
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DTR-6.6 3 7 63 1515 0 IC BLOCK DIAGRAMS AND DESCRIPTIONS CS494003(Audio Decoder DSP) PIN NO. TERMINAL NAME/DESCRIPTION UHS0, GPIO18 :DSPC control mode select Bit 0, General Purpose I/O UHS1, GPIO19 :DSPC control mode select Bit 1, General Purpose I/O...
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DTR-6.6 3 7 63 1515 0 IC BLOCK DIAGRAMS AND DESCRIPTIONS CS494003(Audio Decoder DSP) PIN NO. TERMINAL NAME/DESCRIPTION SD_DATA13, EXTA16:SDRAM data bus output, SRAM external address bus output VSSSD3:3.3V SDRAM / SRAM / EPROM Interface ground. VDDSD3:3.3V SDRAM / SRAM / EPROM Interface supply...
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DTR-6.6 3 7 63 1515 0 IC BLOCK DIAGRAMS AND DESCRIPTIONS CS494003(Audio Decoder DSP) PIN NO. TERMINAL NAME/DESCIPTION HDATA5, GPIO5:DSPC Bidirectional Data Bus, General Purpose I/O SCLK1 :Audio Output Bit Clock:Bidirectional digital-audio output bit clock for AUDATA4, to AUDATA7.
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DTR-6.6 3 7 63 1515 0 IC BLOCK DIAGRAMS AND DESCRIPTIONS CS5340-CZZ(101dB,192kHz, Multi-Bit Audio A/D Converter) REFGND 1.8V-5.0V SCLK LRCK SDOUT MCLK Serial Output Interface FILT+ Voltage Reference Digital High AINL LP Filter Decimation Pass Filter Filter Digital High...
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DTR-6.6 3 7 63 1515 0 IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS IC42S16100 (16-Mbit Synchronous Dynamic RAM) BLOCK DIAGRAM COMMAND DECODER MEMORY CELL & ARRAY ADDRESS 2048 CLOCK BUFFER GENERATOR MODE BANK 0 REGISTER DATA IN SENSE AMP I/O GATE...
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DTR-6.6 3 7 63 1515 0 IC BLOCK DIAGRAMS AND DESCRIPTIONS LC74763-9836 (On-Screen Display IC) TERMINAL DESCRIPTION Pin No. Symbol Function Description V SS Ground Ground connection Xtal IN1 Connection for the crystal and capacitor used to form the crystal oscillator that generates Crystal oscillator connection the internal synchronization signal.
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DTR-6.6 3 7 63 1515 0 IC BLOCK DIAGRAM AND TERMINAL DESCRIPTIONS LA7106M (6ch AMP + Driver) BLOCK DIAGRAM +VCC VIN1+ VOUT1 NFB1 MUTE1 VOUT2 VIN2+ DR CTL NFB2 VOUT3 -VCC1 MUTE2 VIN3+ -VCC2 NFB3 L 13942296513 TRUTH TABLE...
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DTR-6.6 3 7 63 1515 0 IC BLOCK DIAGRAMS AND DESCRIPTIONS MX26LV040-70/EN29LV040A(4M-bit CMOS High Speed Flash Memory) BLOCK DIAGRAM WRITE CONTROL PROGRAM/ERASE STATE INPUT HIGH VOLTAGE MACHINE LOGIC (WSM) STATE REGISTER ADDRESS FLASH ARRAY LATCH ARRAY A0~A18 SOURCE BUFFER...
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DTR-6.6 3 7 63 1515 0 IC BLOCK DIAGRAMS AND DESCRIPTIONS NJM2595M( 5-INPUT 3-OUTPUT VIDEO SWITCH) BLOCK DIAGRAM Vin1 Vin2 Vout1 75ohms Driver Vin3 75ohms Vout2 Vin4 Driver Vin5 Vout3 75ohms Driver L 13942296513 TRUTH TABLE Control Signal vs. Output Signal (L=VCL, H=VCH, X=L or H)
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DTR-6.6 3 7 63 1515 0 IC BLOCK DIAGRAMS AND DESCRIPTIONS NJU7311AM (Analog Function Switch) BLOCK DIAGRAM R-COM1 L-COM1 R-COM2 L-COM2 R-COM3 L-COM3 L-COM4 R-COM4 DATA L 13942296513 Control Circuit TERMINAL DESCRIPTION Pin No. Pin Name Description Pin No. Pin Name...
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DTR-6.6 3 7 63 1515 0 IC BLOCK DIAGRAMS AND DESCRIPTIONS NJW1157(8-Channel Electronic Volume with Input Selector) LAIN RAIN CAIN LSAIN RSAIN LBAIN RBAIN Supply SWAIN Voltage LATCH uCOM DATA L1IN Interface CLOCK Multi-channel DCLA1 DCLA2 R1IN L2IN TONE...
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DTR-6.6 3 7 63 1515 0 IC BLOCK DIAGRAMS AND DESCRIPTIONS NJW1157(8-Channel Electronic Volume with Input Selector) PIN FUNCTION SYMBOL FUNCTION SYMBOL FUNCTION LOUT Lch output L1IN "Input selector" Lch input 1 ROUT Rch output R1IN "Input selector" Rch input 1...
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DTR-6.6 3 7 63 1515 0 IC BLOCK DIAGRAMS AND DESCRIPTIONS 74HC04F(Hex Inverter) TC74VHC157FT(Quad 2-channel Multiplexer) Truth Table INPUTS SELECT OUTPUT SELECT A S G X:Don't care Y Y B TC7WU04FU(3 Inverter) TC74VHC541FT/T541AFT(Octal buss buffer) Truth Table INPUTS OUTPUT...
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DTR-6.6 3 7 63 1515 0 IC BLOCK DIAGRAM AND DESCRIPTION FL TUBE(HNA-16SM10T) P11 P7 P8 P32 P9 P31 P22 M66005 TERMINAL DESCRIPTION 1G~15G PIN NO. SYMBOL PIN NAME DESCRIPTION RESET Reset input This pin is used to initialize the internal state of the M66005.
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DTR-6.6 3 7 63 1515 0 MICROPROCESSOR TERMINAL DESCRIPTIONS No. Pin Name Function Act. Description Vref Vref A/D Reference Vltage (Vcc) AVcc AVcc A/D Power supply P97/~ADTRG/SIN4 No connect P96/ANEX1/SOUT4 OSDSDO Data output for on-screen display. P95/ANEX0/CLK4 OSDCLK CLK OSD IC Serial Communication Clock Output.
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DTR-6.6 3 7 63 1515 0 MICROPROCESSOR TERMINAL DESCRIPTIONS No. Pin Name Function Act. Description 65 P47/~CS3 Z2MUT Zone2 Out mute control pin 66 P46/~CS2 SBZ2MUT Surround back/Zone2 mute control. 67 P45/~CS1 AMUT Audio mute control pin 68 P44/~CS0...
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DTR-6.6 3 7 63 1515 0 ADJUSTMENT AND CONFIRMATION PROCEDURES 1 Idling current adjustment Before Idling current adjustment, turn the trimming resistors R6040 to R6046 to counter-clockwise. Connect the DC voltmeter at the sockets P6080 to P6086 via the carbon resistors 100 ohm 1/4W.
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DTR-6.6 3 7 63 1515 0 ADJUSTMENT AND CONFIRMATION PROCEDURES 2 3. Confirmation of Current detection circuit Set the unit to "Test- 1-00". Connect the differentiating circuit and apply the 50Hz square signal to MULTI CHANNEL INPUT terminal of each channel.
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DTR-6.6 3 7 63 1515 0 ADJUSTMENT AND CONFIRMATION PROCEDURES 3 FL tube Press and hold down CD button, then press STANDBY/ON button. After "Test - " on the FL tube is displayed, press CD button to set the unit to the test mode of FL tube.
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DTR-6.6 3 7 63 1515 0 FW UPGRADE How to check version 1. Hold down "Display" and then press "Standby" button to show Main version. 2. Press "Setup" within 3 seconds. When you press "Setup", another version of program is shown.
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DTR-6.6 3 7 63 1515 0 FW UPGRADE DSP/Video FW Upgrade 0. Unzip “firmware.zip” and store the unzipped folder If you get the message like below, FW files are not properly stored. & files and "Update.exe" as below. Check the path.
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DTR-6.6 3 7 63 1515 0 PACKING VIEW Accessary bag A845 A843 A841 A846 Put the label A801 between page 2 and page 3 of A851 instruction manual E. A801 A820 A821 A826 A605 Speaker Cable A827 A606 L 13942296513...
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DTR-6.6 3 7 6 3 1 5 1 5 0 EXPLODED VIEW-PARTS LIST NOTE: THE COMPONENTS IDENTIFIED BY MARK ! ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE ONLY WITH PART NUMBER SPECIFIED. CAUTION: Replacement for transistor of mark *, if necessary...
DTR-6.6 3 7 6 3 1 5 1 5 0 PRINTED CIRCUIT BOARD-PARTS LIST NOTE: THE COMPONENTS IDENTIFIED BY MARK ! ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE ONLY WITH PART NUMBER SPECIFIED. CAUTION: Replacement for transistor of mark *, if necessary...
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DTR-6.6 3 7 6 3 1 5 1 5 0 C2001,C2002,C2003 C-CERA C CK725B1H-102K1 332101025R1 C2004,C2005,C2007 VR C CE04W50V-10M(VR) 394681007 C2006,C2009,C2015 C-CERA C 332161040R1 CK725F1E-104Z1 C2008,C2013,C2014 VR C CE04W50V-10M(VR) 394681007 C2010,C2011,C2012 C-CERA C 342104704R1 CC725CH1H-470J1 C2016,C2017,C2018 C-CERA C CC725CH1H-470J1...
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DTR-6.6 3 7 6 3 1 5 1 5 0 C2162,C2163,C2178 C-CERA C CK725F1E-104Z1 332161040R1 C2171,C2172,C2173 C-CERA C CK732B1A-105K 337361055R2 C2174,C2175,C2176 C-CERA C 337361055R2 CK732B1A-105K C2179,C2182,C2183 C-CERA C CK725F1E-104Z1 332161040R1 C2180,C2181,C2184 VR C 394641017 CE04W16V-100M(VR) C2185,C2186 C-CERA C CK725F1E-104Z1...
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DTR-6.6 3 7 6 3 1 5 1 5 0 R2109,R2111,R2112 C-CARBON R RN72K1J-101JE 435031014R1 R2110,R2113 C-CARBON R RN72K1J-222JE 435032224R1 R2114,R2130,R2131 C-CARBON R 435034724R1 RN72K1J-472JE R2116 C-CARBON R RN72K1J-681JE 435036814R1 R2121,R2122,R2123 C-CARBON R 435033304R1 RN72K1J-330JE R2124,R2125,R2126 C-CARBON R RN72K1J-330JE...