Arcam-AVR200-avr-sm维修电路原理图.pdf

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1、AVR200 DiVA AVR200 Surround Sound Receiver Service Manual ARCAM Issue 1.0 RadioFans.CN 收音机爱 好者资料库 SERVICE MANUAL A A AV V VR R R2 2 20 0 00 0 0 SURROUND SOUND RECEIVER CONTENTSPage SPECIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-

2、3 DISASSEMBLY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . .

3、. . . . . . . . . . . . . . . . . . . . . . . . . .6 ADJUSTMENT POINTS DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 INSTRUMENT SETUP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 ALIGNMENT PROCEDURES .

4、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-9 IMPORTANT NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 PCB LAYOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5、. . . . . . . . . . . .10-20 SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21-40 IC BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41-49 ELECTRICAL PARTS LIST . . . . . . . . . .

6、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40-67 RadioFans.CN 收音机爱 好者资料库 SURROUND SOUND RECEIVER A A AV V VR R R2 2 20 0 00 0 0 - 2 - POWER AMPLIFIER AND PREAMPLIFIER SECTION Rated distortion(THD 20Hz-20 kHz FL/C/FR) 0.08% (THD 20Hz-20 kHz SL/SR) 0.3% Input Sensitivity(ref. 8 o

7、hms, 1 kHz)180+/-30 mV S/N Ratio(A-wtd, 1KHz, 1W, 8 ohm) -75 dB (A-wtd, 1KHz, 80W, 8 ohm)FL/FR/C 92 dB SL/SR -90 dB Frequency Response(20 Hz - 20 kHz)0 0.8 dB Channel Balance(1 dB to -40 dB, 1 kHz) 2 dB (-41 dB to -50 dB, 1 kHz) 3 dB Audio muting at 1kHz 53 dB Headphone O/P in 0.1%, 600 ohm load, CD

8、 in 500mV, 1 kHz 10V Subwoofer out, 500mV in(THD at 2V O/P, 100 Hz) 0.5% (S/N at 2V O/P, 100 Hz) 80 dB Crosstalk(2V input, 10W, 1 kHz) -68 dB Continuous average power output (L/R/C RL/RR 8ohms)80 W Controls Bass(at 500mV in, 1W out, 100 Hz) 9 dB Treble(at 500mV in, 1W out, 10 kHz) 9 dB SURROUND SECT

9、ION Channel separation I/p mode : L, R: 1V in, 1 kHz, Ch R, L 45 dB : o/p at unexpected, 1 kHz, Ch C 35 dB I/p mode : L= -R: 1V in, 1 kHz, Ch R, L 28 dB : o/p at unexpected, 1 kHz, Ch C 30 dB I/p mode : L= R: 1V in, 1 kHz, Ch R, L 45 dB : o/p at unexpected, 1 kHz, Ch SL, SR 30 dB Frequency Response

10、I/p mode : L, R: 1V in, 1W, Ch R, L40Hz0 1.5 dB 20kHz0 0.8 dB I/p mode : L= R: 1V in, 1W, Ch C300Hz0 0.8 dB 20kHz0 0.8 dB I/p mode : L= -R: 1V in, 1W, Ch SL, SR30Hz0 1.0 dB 6.5kHz-3 1.0 dB S/N Ratio ( 200mV in, 1, A-WTD w/ 1k termination) I/p mode : L, R: 1 kHz, Ch L, R 65 dB I/p mode : L=R: 1 kHz,

11、Ch C 65 dB I/p mode : L=-R: 1 kHz, Ch SL, SR 65 dB THD (2.2V in, 1W, w/ 80 kHz LPF, 1 kHz) 0.2% AC-3/DTS SECTION Frequency Response FL, FR, C, SL, SR:200Hz0 0.8 dB 20kHz0 0.8 dB Distortion 1W all channels0.08% S/N 1 W ( CCIR/ARM, 200 Hz NOTCH & 400 Hz HPF) 85 dB PROLOGIC II AUDIO Center Width Contro

12、l (Use track 2 from PLII Audio Test CD ver1.0) SPECIFICATION StepL/RC 0-31dB0.0dB 1-12dB-0.6dB 2-9.6dB-1.1dB 3-7.6dB-1.8dB 4-4.8dB-4.6dB StepL/RC 5-4.1dB-6.6dB 6-3.6dB-9.0dB 7-3.0dB-31dB SURROUND SOUND RECEIVER A A AV V VR R R2 2 20 0 00 0 0 - 3 - Dimension Control (Use track 1 and 3 from PLII Audio

13、 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 Output13

14、0+/- 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

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

16、 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

17、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-3

18、1dB 2-14.0dB-31dB-31dB 3-11.5dB-31dB-31dB SURROUND SOUND RECEIVER A A AV V VR R R2 2 20 0 00 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 bot

19、h 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 9 8 8 SURROUND SOUND RECEIVER A A AV V VR R R2 2 20 0 00 0 0 - 5 - WIRING DIAGRAM SURROUND SOUND RECEIVER A A AV V VR R R2

20、2 20 0 00 0 0 - 6 - COAX AL x3 OPT CAL x2 4053 74LS157 M624476FP Com-Video Trigger N POWER DOWN Detect Pin. For SPK off, Mute ON, VFD off. BLOCK DIAGRAM SURROUND SOUND RECEIVER A A AV V VR R R2 2 20 0 00 0 0 - 7 - OSCRF ADJUSTMENT POINTS DIAGRAM 1. TUNER 2. IDLE CURRENT - Front Amplifier & Surround

21、Amplifier Board SURROUND SOUND RECEIVER A A AV V VR R R2 2 20 0 00 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 V

22、OLTMETER 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 S

23、TEREO 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 Cha

24、nnelVoltmeter 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 AV V VR R R2 2 20 0 00 0 0 -

25、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 Lev

26、el 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.

27、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 Adjustme

28、nt 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

29、- 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

30、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”

31、and “VIDEO 1”. 4. Clear all tuner presets Press “5.1 INPUT” and “VIDEO 1”. SURROUND SOUND RECEIVER A A AV V VR R R2 2 20 0 00 0 0 - 10 - PCB LAYOUT AUDIO BOARD COMPONENT VIDEO BOARD SURROUND SOUND RECEIVER A A AV V VR R R2 2 20 0 00 0 0 - 11 - AC-3 BOARD - Component Side SURROUND SOUND RECEIVER A A

32、AV V VR R R2 2 20 0 00 0 0 - 12 - AC-3 BOARD - Solder Side SURROUND SOUND RECEIVER A A AV V VR R R2 2 20 0 00 0 0 - 13 - AMP1 BOARD SURROUND SOUND RECEIVER A A AV V VR R R2 2 20 0 00 0 0 - 14 - AMP2 BOARD SPEAKER BOARD SURROUND SOUND RECEIVER A A AV V VR R R2 2 20 0 00 0 0 - 15 - KEY BOARD - Compone

33、nt SideKEY BOARD - Solder Side SURROUND SOUND RECEIVER A A AV V VR R R2 2 20 0 00 0 0 - 16 - MAIN BOARD SURROUND SOUND RECEIVER A A AV V VR R R2 2 20 0 00 0 0 - 17 - MULTI CHANNEL BOARD SURROUND SOUND RECEIVER A A AV V VR R R2 2 20 0 00 0 0 - 18 - TUNER BOARD SURROUND SOUND RECEIVER A A AV V VR R R2

34、 2 20 0 00 0 0 - 19 - S-VIDEO BOARD PSU BOARD SECONDARY BOARD SURROUND SOUND RECEIVER A A AV V VR R R2 2 20 0 00 0 0 - 20 - GSW BOARD LED BOARDPHONE BOARD POWER BOARD VOLUME BOARDSWITCH BOARD TONE BOARD SURROUND SOUND RECEIVER A A AV V VR R R2 2 20 0 00 0 0 - 22 - 21 - SCHEMATIC DIAGRAM AC-3 / DTS N

35、OTE: 1. RESISTORS, ARE CARBON FILM 5% 1/10W UNLESS OTHERWISE SPECIFIED. 2. CERAMIC CAPACITORS, ARE 50V 10%. UNLESS OTHERWISE SPECIFIED. SURROUND SOUND RECEIVER A A AV V VR R R2 2 20 0 00 0 0 - 23 - 24 - AMP1 NOTE: 1. RESISTORS ARE CARBON FILM 5%1/8W UNLESS OTHERWISE SPECIFIED. MF - METAL FILM 2. CER

36、AMIC CAPACITORS ARE 50V 10%. UNLESS OTHERWISE SPECIFIED. SURROUND SOUND RECEIVER A A AV V VR R R2 2 20 0 00 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 RECEIVE

37、R A A AV V VR R R2 2 20 0 00 0 0 - 27 - 28 - KEY 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 AV V VR R R2 2 20 0 00 0 0 - 30 - 29 - MULTI CHANNEL NOTE: 1. RESISTORS, ARE CARBON FIL

38、M 5% 1/8W UNLESS OTHERWISE SPECIFIED. 2. CERAMIC CAPACITORS, ARE 50V 10%. UNLESS OTHERWISE SPECIFIED. SURROUND SOUND RECEIVER A A AV V VR R R2 2 20 0 00 0 0 - 31 - 32 - S-VIDEO NOTE: 1. RESISTORS ARE CARBON FILM 5%1/8W UNLESS OTHERWISE SPECIFIED. 2. CERAMIC CAPACITORS ARE 50V 10%. UNLESS OTHERWISE S

39、PECIFIED. SURROUND SOUND RECEIVER A A AV V VR R R2 2 20 0 00 0 0 - 34 - 33 - MAIN 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 AV V VR R R2 2 20 0 00 0 0 - 35 - 36 - T

40、UNER 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 AV V VR R R2 2 20 0 00 0 0 - 37 - AUDIO NOTE: 1. RESISTORS, ARE CARBON FILM 5% 1/8W UNLESS OTHERWISE SPECIFIED. 2. CERAMIC CAPACITO

41、RS, ARE 50V 10%. UNLESS OTHERWISE SPECIFIED. SURROUND SOUND RECEIVER A A AV V VR R R2 2 20 0 00 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 AV V VR R R2 2

42、20 0 00 0 0 - 39 - REM SURROUND SOUND RECEIVER A A AV V VR R R2 2 20 0 00 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 S

43、OUND RECEIVER A A AV V VR R R2 2 20 0 00 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 S

44、0 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 IN

45、VERTING INPUT NON-INVERTING INPUT 1 2 3 4 8 7 6 5 + + SURROUND SOUND RECEIVER A A AV V VR R R2 2 20 0 00 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

46、 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 Cont

47、roller 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

48、, 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 FF

49、7 Q6 D1D2 to D5 DQ CP FF2 Q1 D0 CP OE DQ CP FF1 Q0 SURROUND SOUND RECEIVER A A AV V VR R R2 2 20 0 00 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 Mux