Arcam-DivaAVR200-av-sm维修电路原理图.pdf

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Arcam-DivaAVR200-av-sm维修电路原理图.pdf

AVR200 DiVA AVR200 Surround Sound Receiver Service Manual ARCAMARCAM Issue 1.0 RadioFans.CN 收音机爱好者资料库 SERVICE MANUAL A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 SURROUND SOUND RECEIVER CONTENTSPage SPECIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3 DISASSEMBLY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 ADJUSTMENT POINTS DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 INSTRUMENT SETUP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 ALIGNMENT PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-9 IMPORTANT NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 PCB LAYOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-20 SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21-40 IC BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41-49 ELECTRICAL PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40-67 RadioFans.CN 收音机爱好者资料库 SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 3 - Dimension Control (Use track 1 and 3 from PLII Audio Test CD ver1.0) AM TUNER SECTION Input level is expressed as the reading in open-circuit of 75-ohm source impedance signal generator Usable sensitivity (999/1000kHz) 30 dB S/N Ratio (5mV in) 38 dB THD (5mV in) 3% IF Rejection (450 kHz) 36 dB Image Rejection (F+2xIF) 28 dB Selectivity 17 dB Output130+/- 20mV Loop sensitivity (20dB S/N) 999/1000 kHz 66 dB 603/600 kHz 66 dB 1404/1400 kHz 66 dB Frequency response (100 - 2.3 kHz, 5mV) 6 dB FM TUNER SECTION*C*AH Input level is expressed as the reading in open-circuit of 75-ohm source impedance signal generator Usable Sensitivity ( 98 MHz) 15 dB 15 dB Signal / Noise RatioMono 72 dB 72 dB (60 dB, IHF wtd)Stereo 66 dB 66 dB Frequency Response (20 Hz - 15 kHz, 60 dB)0 1.5 dB0 1.5 dB Channel Separation (60 dB)100 Hz 30 dB 30dB 1 kHz 38 dB 38 dB 10 kHz 30 dB 30 dB Alternate Channel Selectivity (40 dB, 400 kHz) 60 dB 45 dB Capture Ratio (40 dB) 3 dB 3 dB AM Suppression (60 dB, 100% Mod.FM, 30% Mod.AM) 48 dB 48 dB Image Rejection (119.4 MHz) 85 db 40 dB I.F. Rejection ( 10.7 MHz) 78 dB 65 dB Pilot Suppression (60 dB) 60 dB 60 dB THD (60 dB, L=R 75 kHz for AH, 40 kHz Dev for C) Mono 0.25% 0.25% Stereo 0.35% 0.35% Auto-Search SensitivityOn 24 dB 24 dB Off 15 dB 15 dB RDS decode Sensitivity 26 dB 26 dB PHYSICAL SPECIFICATIONS Dimensions (Width x Height x Depth)422 x 132 x 290mm Net weight14kg (31 lbs) Shipping weight16.7kg (37 lbs) StepCSLSR -3-31dB-7.8dB-31dB -2-31dB-11.5dB-31dB -1-31dB-19.5dB-31dB 0-30dB-31dB-31dB StepCSLSR 1-20.4dB-31dB-31dB 2-14.0dB-31dB-31dB 3-11.5dB-31dB-31dB SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 4 - DISASSEMBLY INSTRUCTIONS 1. Remove machine screws M 4.0 x 6.0 ( 1 to 6 ) from the side panels. Remove tapping screw 3.0 x 8.5 ( 7 )from the back panel. Refer to Figure No.1. Figure No.1 2. Pull both sides of the TOP COVER slightly outwards 8 and tilt approx. 35 and then remove in the direction as indicated by the arrow 9 . Refer to Figure No.2. Figure No.2. 7 6 5 1 3 2 4 SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 5 - WIRING DIAGRAM SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 6 - COAXIAL x3 OPTICAL x2 4053 74LS157 M624476FP Com-Video Trigger IN POWER DOWN Detect Pin. For SPK off, Mute ON, VFD off. BLOCK DIAGRAM SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 7 - OSCRF ADJUSTMENT POINTS DIAGRAM 1. TUNER 2. IDLE CURRENT - Front Amplifier & Surround Amplifier Board SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 8 - INSTRUMENT SETUP 1. FM MEASUREMENT Fig. 1 Fig. 2 2. RDS MEASUREMENT Fig. 3 3. AM MEASUREMENT Fig. 4 FM SIGNAL GENERATOR ANTENNA TERMINAL OUTPUT TERMINAL DISTORTION ANALYZER DISTORTION ANALYZER AC VOLTMETER OSCILLOSCOPE AC VOLTMETER OR OSCILLOSCOPE AC VOLTMETER OR OSCILLOSCOPE OUTPUT TERMINAL OUTPUT TERMINAL L R ANTENNA TERMINAL ANTENNA TERMINAL ANTENNA TERMINAL AM LOOP ANTENNA (Accessory) AM LOOP ANTENNA 60cm DIGITAL MILLIVOLT METER VT-J914 FM SIGNAL GENERATOR AM SIGNAL GENERATOR FM SIGNAL GENERATOR RDS GENERATOR FM STEREO GENERATOR P-901 DC MILLIVOLT METER UNIT UNIT UNIT UNIT ALIGNMENT PROCEDURES AMPLIFIER SECTION Idle Current StepItemConnectionAdjustmentAdjust for 1Front Left ChannelVoltmeter to P502 on Front Amp BoardR5742mV0.2mV 2Front Right ChannelVoltmeter to P501 on Front Amp BoardR5732mV0.2mV 3Center ChannelVoltmeter to P503 on Front Amp BoardR5992mV0.2mV 4Rear Left ChannelVoltmeter to JP801 on Surround Amplifier BoardR8672mV0.2mV (PCB N0901C-AMP2) 5Rear Right ChannelVoltmeter to JP802 on Surround Amplifier BoardR8682mV0.2mV (PCB N091C-AMP2) SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 9 - FM/RDS SECTION - FM mono:1kHz, 75kHz devi., 60dB/V - FM stereo:1kHz, 67.5kHz devi., 60dB/V Pilot signal 19kHz 7.5kHz devi. OUTPUTS - Connect the non-inductive type resistor of 8 ohms to the all speaker terminals unless otherwise noted. Item FM IF/RF Stereo Distortion Stereo Separation Muting Level Signal output Step 1DC voltmeterL9410100mV 3 Distortion analyzer Distortion analyzer Oscilloscope Oscilloscope L942 R956 R941 Minimum Minimum 2AC voltmeter IFT on the front end IFT on the front end Maximum Maximum separation Connection of instrument Fig.1 Fig.2 Fig.2 Fig.1 Channel L or R 1kHz 99.0MHz 1kHz 75kHz devi. 65dBf (60dB) 99.0MHz Ext. mod. 65dBf (60dB) FM SG output Stereo mod- ulator output Tuning frequency 99.0MHz 99.0MHz Channel L or R 1kHz 99.0MHz Ext. mod. 65dBf (60dB) 99.0MHz Ext. mod.65dBf(60dB) RDS 2% MOD 99.0MHz 18dB 99.0MHz 99.0MHz RDS Fig.399.0MHz Output indicator Adjustment point Adjust for Remarks FM MUTE/MODE switch: ON/AUTO Repeat the steps 1 to 3 until no fur- ther adjustment is necessary. FM MUTE/MODE switch: ON/AUTO Dont turn more than +/-180 Repeat stereo distortion and stereo separation alignment until THD at minimum and separation at maximum. Decode the RDS- Program Station. AM SECTION AM Modulation:400Hz, 30% Step 1 2 3 522kHz or 531kHz 603kHz 999kHz 600kHz 400Hz 30% mod. 60dB/m AM SG output Tuning frequency Output indicator Adjustment point 600kHz 400Hz 30% mod. 60dB/m AC voltmeter AC voltmeter Digital DC voltmeter L972 OSC coil on RF block L971 RF coil on RF block L971 Adjust for 1.30.2V (522kHz) 1.350.2V (531kHz) Maximum Maximum IMPORTANT NOTES 1. Show the software version Press “DISPLAY”, “5.1 INPUT” and “VIDEO 4”. 2. Toggle between PAL and NTSC Press “MEMORY” and “VIDEO 1”. 3. Light up all the icon on the VFL. Press “DISPLAY”, “5.1 INPUT” and “VIDEO 1”. 4. Clear all tuner presets Press “5.1 INPUT” and “VIDEO 1”. SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 10 - SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 11 - SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 12 - AC-3 BOARD - Solder Side SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 13 - SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 14 - SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 15 - SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 16 - SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 17 - SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 18 - SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 19 - S-VIDEO BOARD PSU BOARD SECONDARY BOARD SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 20 - GSW BOARD LED BOARDPHONE BOARD POWER BOARD VOLUME BOARDSWITCH BOARD SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 22 - 21 - SCHEMATIC DIAGRAM SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 23 - 24 - SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 26 - 25 - AMP2 NOTE: 1. RESISTORS ARE CARBON FILM 5%1/8W UNLESS OTHERWISE SPECIFIED. MF - METAL FILM 2. CERAMIC CAPACITORS ARE 50V 10%. UNLESS OTHERWISE SPECIFIED. SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 27 - 28 - SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 30 - 29 - SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 31 - 32 - SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 34 - 33 - SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 35 - 36 - SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 37 - AUDIO NOTE: 1. RESISTORS, ARE CARBON FILM 5% 1/8W UNLESS OTHERWISE SPECIFIED. 2. CERAMIC CAPACITORS, ARE 50V 10%. UNLESS OTHERWISE SPECIFIED. SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 38 - COMPONENT VIDEO NOTE: 1. RESISTORS ARE CARBON FILM 5% 1/8W UNLESS OTHERWISE SPECIFIED. 2. CERAMIC CAPACITORS ARE 50V 10%. UNLESS OTHERWISE SPECIFIED. SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 39 - SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 40 - PSU NOTE: 1. RESISTORS ARE CARBON FILM 5% 1/8W UNLESS OTHERWISE SPECIFIED. MF - METAL FILM 2. CERAMIC CAPACITORS ARE 50V 10%. UNLESS OTHERWISE SPECIFIED. 3. COMPONENTS MARKED “” ARE SAFETY CRITICAL PARTS. SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 41 - IC BLOCK DIAGRAM AC3 BOARD U101: 74HC151 1D3 2D2 3D1 4D0 5Y 6W 7ST 16 VCC 15 D4 14 D5 13 D6 12 D7 11 A 10 B 8GND9C 12 11 10 9 S7 13 S6 14 S5 15 S4 1 S3 2 S2 3 S1 4 12 13 14 15 1 2 3 4 7 ST 6 W 5 Y S0 S7 S7 A S6 S6 S5 S5 S4 S4 S3 S3 S2 S2 S1 S1 S0 S0 B C AC3 BOARD U102: 74HC157 4 1Y 7 2Y 9 3Y 12 4Y 15 1 G 13 4B 10 3B 6 2B 5 2A 3 1B 2 1A 11 3A 14 4A A/B 1A/BVCC16 21AG15 31B4A14 41Y4B13 52A4Y12 62B3A11 72Y3B10 8GND3Y9 AC3 BOARD U104, U109, U116, U129, U134: NE5532 AMPLIFIER 1 OUTPUT INVERTING INPUT NON-INVERTING INPUT V AMPLIFIER 2 V + OUTPUT INVERTING INPUT NON-INVERTING INPUT 1 2 3 4 8 7 6 5 + + SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 42 - AC3 BOARD U103: CS5331A AINL 8 + - + - + - 5 6 7 423 1 AINR AGND S/H Comparator MCLKSCLKLRCK SDATA Comparator Voltage ReferenceSerial Output Interface Digital Decimation Filter Digital Decimation Filter High Pass Filter High Pass Filter S/H VA+ + - LP Filter DAC DAC LP Filter AC3 BOARD U105: CS4926 27 368-11,14-17185419762021 37 38 44 43 42 41 40 39 3 28 29 25 26 22 30 31 32333435213 24112 23 Parallel or Serial Host Interface 24-Bit DSP Processing Framer Shifter Input Buffer Controller Compressed Data Input Interface CMPDAT, SDATAN2 CMPCLK, SCLKN2 CMPREQ, LRCLKN2 SCLKN1, STCCLK2 LRCLKN1 SDATAN1 CLK1N CLKSEL FILT2FILT1VAAGNDDGND1-3VD1-3 XMT958 AUDATA2 AUDATA1 AUDATA0 LRCLK SCLK MCLK DC DD EXTMEM, GPIO8 ABOOT, INTREQ A1, SCDIN A0, SCCLK SCDIO, SCDOUT, PSEL, GPIO9 WR, DS, EMWR, GPIO10 RD, R/W, EMOE, GPIO11CS DATA7-0, EMAD7-0, GPIO7-0RESET Digital Audio Input Interface PLL Clock Manager RAM Input Buffer RAM Program Memory RAM Program MemoryRAM Output Buffer Output Formatter RAM Program Memory RAM Program Memory STC AC3 BOARD U106, U107: 74HC574 D7 DQ CP FF8 Q7 D6 DQ CP FF7 Q6 D1D2 to D5 DQ CP FF2 Q1 D0 CP OE DQ CP FF1 Q0 SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 43 - AC3 BOARD U108: AT27C040 VCC DATA OUTPUTS O0 - O7 OE, CE AND PROGRAM LOGIC Y DECODER X DECODER OUTPUT BUFFERS Y-GATING IDENTIFICATION CELL MATRIX GND VPP OE CE A0 - A18 ADDRESS INPUT AC3 BOARD U110: CS8414 RXP RS422 Receiver Clock & Data Recovery De-Mux Audio Serial Port Registers MuxMux VD+ DGNDVA+VA+FILTAGNDMCKM3M3 M2 M1 M0 SDATA SCK FSYNC C U VERF CS12/FCKSELC0/E0 Ca/E1 Cb/E2 Cc/F0 Cd/F1 Ce/F2REFCBL RXN 9 10 131665432272515 28 14 1 11 12 26 232418171921202287 AC3 BOARD U111-U113: CS4340 RST LRCK SDATA DIF0DIF1MCLK MUTECDEM0 De-emphasis External Mute Control Interpolation Filter DAC Analog Filter Interpolation Filter DAC Analog Filter SCLK/DEM1 AOUTR AOUTL SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 44 - AC3 BOARD U114: 74HCU04 11A14VAC 21Y136A 32A126Y 42Y115A 53A105Y 63Y94A 7GND84Y AC3 BOARD U118, U119: 74HC00 DIGITAL BOARD U762: 74HC00 A1 B1 Y1 A2 B2 Y2 GND VCC B4 A4 Y4 B3 A3 Y3 1 2 3 4 5 6 7 14 13 12 11 10 9 8 AUDIO BOARD U301: TC9273N 2S1 1 VSS 26 VDD 27 S1 3S226 S2 4S325 S3 5S424 S4 6S523 S5 7S622 S6 8S721 S7 9S820 S8 10S919 S9 11S1018 S10 12S11 13 GND 14 CK 15 DATA 16 STB 17 S11 (L-ch) 10bit Latch Circuit LEVEL SHIFT + SHIFT RESISTER CIRCUIT (R-ch) 10bit Latch Circuit (Same as L-ch Circuit) AC3 BOARD U123, U125, U130-U132: 7805 POWER AMP BOARD: Q565C: 7812 OUT IN GND AC3 BOARD U115, U117, U120: 74HC74 SD RD D Q 1Q GND 1Q Q FF1 CP 1SD 1D 1CP 1RD1 10 12 11 13 14 3 2 4 7 5 6 9 8 SD RD D Q 2Q 2Q Q FF2 CP 2SD 2D VCC 2CP 2RD SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 45 - KEY BOARD U201: LC87F65C8A SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 46 - MULTI CHANNEL BOARD U602: TC9164AN 1 2L-S1 VSS SHIFT REGISTER LEVEL SHIFTER LEVEL SHIFTER LATCH CIRCUIT LATCH CIRCUIT 14 GND 28 VDD 27R-S1 3L-S226R-S2 4L-S325R-S3 5L-S424R-S4 6L-COM123R-COM1 7L-S522R-S5 8L-S621R-S6 9L-COM220R-COM2 10L-S719R-S7 11L-S818R-S8 12L-COM317R-COM3 13L-ST16DATA 15CK MULTI CHANNEL BOARD U601: M62447SP 42DVDD1OUT4 41CLK2OUT3 40DATA3OUT2 39LATCH4OUT1 38DGND5AVDD 37AGND6SWin 36SWout7GNDS 35SRout8SRin SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 47 - MULTI CHANNEL BOARD U605-U611: NE5532 AMPLIFIER 1 OUTPUT INVERTING INPUT NON-INVERTING INPUT V AMPLIFIER 2 V + OUTPUT INVERTING INPUT NON-INVERTING INPUT 1 2 3 4 8 7 6 5 + + ROM BOARD U1001: LM393D 1OUTPUT 1 2IN1(-) 3IN1(+) - + 4GND 8VCC 7OUTPUT 2 6IN2(-) 5IN2(+) - + S-VIDEO BOARD U401: BA7623 VIDEO BOARD U410: BA7623 GND IN1 IN2 IN3 OUT1 OUT2 OUT3 V CC 1 2 3 4 8 7 6 5 75W driver 75W driver 75W driver S-VIDEO BOARD U404, U405: TEA2014A 18GROUNDEXTERNAL VIDEO INPUT 2775 VIDEO OUTPUTSUPPLY VOLTAGE 36INTERNAL VIDEO INPUTSWITCHED VIDEO OUTPUT 45NOT TO BE USEDSWITCHING INPUT S-VIDEO BOARD M402: BA7625 VIDEO BOARD U404: BA7625 1MONITOR OUT16IN1 2GND15CTL A 3IN514VOUT1 4GND13VCC 5IN412IN2 6CTL E11CTL B 7INT310VOUT 2 8CTL D9CTL C 6dB LOGIC LOGIC 6dB SURROUND SOUND RECEIVER A A A AV V V VR R R R2 2 2 20 0 0 00 0 0 0 - 48 - TUNER BOARD U901: LA18

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