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1、AVR200 DiVA AVR200 Surround Sound Receiver Service Manual ARCAMARCAM Issue 1.0 RadioFans.CN 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、 . .2-3 DISASSEMBLY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . .
3、. . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 ADJUSTMENT POINTS DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 INSTRUMENT SETUP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 ALIGNMENT PROCED
4、URES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .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 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-cir
7、cuit 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
8、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
9、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 (11
10、9.4 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 Dime
11、nsions (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
12、 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
13、 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
14、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
15、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 VO
16、LTMETER 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 MILLI
17、VOLT 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
18、 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
19、 - 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 S
20、tep 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 de
21、vi. 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 fo
22、r 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.
23、 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 L
24、971 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.
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