Akai-QXD3100-cs-sm维修电路原理图.pdf
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1、CONTENTS MICRO MUSIC SYSTEM with REMOTE-CONTROL QX-D3100 PRODUCT SAFETY NOTICE Specifications electrical components having such features are identified by in the schematic diagram and the parts list. Before replacing any of these components, read the parts list in this manual carefully. The use of s
2、ubstitute replacement parts that do not have the same safety characteristics as specified in the parts list may create shock, fire or other hazards. Page RadioFans.CN 收音机爱 好者资料库 Power Supply:AC 230V 50Hz Output Load:8 ohm non-reactive Reference Output:50mW Input Signal Source:IRE Loop for AM :75 ohm
3、 dummy for FM Modulation:30% 400 Hz for AM :22.5 kHz Deviation 1000 Hz for FM MONO :75 kHz Deviation for FM MPX Remarks:7.5 kHz Pilot Tone :67.5 kHz L + R 1000 Hz :AC Bias GENERAL TEST CONDITION GENERAL Output power:2W x 2 (10% THD) Power consumption:15 Power source:AC 120V 60 Hz (USA and Canada) AC
4、 220V 50 Hz (China) AC 230V 50 Hz (Europe) AC 240V 50 Hz (Australia) AC 110-120V/220-240V 50/60Hz (Others) Specifications may be subject to change without notice. 12 SPECIFICATIONS PERFORMANCE SPECIFICATIONS PERFORMANCE SPECIFICATIONS - CONTINUED (AM) SECTION, AMPLITUDE, MODULATION UNITNOMINALLIMIT
5、1. Tuning RangekHz517 - 1650517 - 1650 8 - 30 2. I.F.kHz4655 3. S/N 5mV/m1.0MHzdB3630 4. Sens. (at S/N 20dB) 0.6MHzdB/m5464 1.0MHzdB/m5460 1.4MHzdB/m5460 5. I.F. Rej. 0.6MHzdB4030 6. Image Rej. 1.4MHzdB4030 7. Spurious RejectiondB3528 8. Bandwidth, -6dB, at1.0MHzkHz64 - 9 (Max. Sens. +6dB) 9. ACA (9
6、kHz) Input at 1MHz(For VDE)dB2015 ACA (9kHz) Input at 1MHz(For VDE Specical)dB2012 10. AGC Figure Merit100mV/mdB5040 11. Distortion, 5mV/m, 30%13 5mV/m, 80%36 12. 10% THD Power W21.7 13. a. Tweet (2nd IF& 3rd IF)%-15 14. Audio Fidelity, (1kHz = 0dB) 5mV/mHz60 - 2200120 - 2000 15. a. Dial Cal., 600kH
7、zkHz-40 1000kHzkHz-70 1400kHzkHz-70 16. Low Voltage%8085 17. a. Mod. HumdB3630 b. Hum at Min. Vol.mV0.52 TEST ITEMS CASSETTE SECTION UNITNOMINALLIMIT 1.Tape Speed (B-111LNA)Hz30003% / -3% 2.Wow & Flutter Rms (JIS R.M.S.) (B-111LNA)%0.350.45 3.Fast Forwards TimeSec.110100 - 180 4.Rewind - TimeSec.110
8、100 - 180 5.Frequency Response B-257 (1KHz, 0dB) 125HzdB36 6.3kHzdB36 6.Singal to Noise in Play (B-112BN)dB4535 7.Separation (MTT-141N) dB4030 8.Cross Talk (B-121N) w/BPFdB4035 9.Erase Ratio w/ BPFdB3226 10. Play Back Distortion (B-118N)%13 11. Rec. / Playback S/N Ratio (FM 1mV 75kHz Dev.) w/BPFdB32
9、26 12. Rec. / Playback Level Difference (Radio)dB-3 13. Play Back 10% Distortion-output PerW21.7 Channel (B-112BN) 14. Record Play Back Distortion (S.R.L. + 20)%38 15. ALC Effect Level (55% Mod., 74dB MW)dB-5 16. Recovery TimeSec.-5 17. VR Min. Hum & Noise (Motor On) w/o TapemV0.53 18. VR Max. Hum &
10、 Noise (Motor On) w/o TapemV3050 19. Rec. / Play Frequency Response 125Hz, 6.3kHzdB-6 TEST ITEMS CD SECTION UNITNOMINALLIMIT 1.10% Dis. Output Power (1kHz, 0dB) W21.6 2.Frequency Response (100Hz-20kHz/1kHz, 0dB) dB24 3.De-emphasis Response (1kHz, 0dB/5kHz-4.5dB/16kHz-9dB)dB34 *4. Channel Balance (1k
11、Hz, 0dB)dB0.53 *5. Channel Separation (1kHz, 0dB)dB5540 *6. T.H.D. + Noise (1kHz, 0dB)%0.150.5 *7. S/N Ratio (1HF-A) (1kHz, 0dB)dB7060 8.Playability: Wedge PHILIPS 444Am-500 Black Dot PHILIPS 444Am600500 Eccentricity TCD-712ABEXm-150 Skew Disc TCD-731RABEmm-0.5 Finger Print PHILIPS 444ATrack-No.18 *
12、with external A Weighting Filter Item 1 - 4 Test Disc CBS SONY YEDS7 Level Matching Tape (B118N)dB0 Tape (B112N)(For VDE Specical)dB0 CD (-10dB 1K)dB0+3/-5 AM (55% 5mV/m) dB03 FM (40kHz 1mV)dB03 TEST ITEMS RadioFans.CN 收音机爱 好者资料库 34 (FM) SECTION, FREQUENCY, MODULATION UNITNOMINALLIMIT 1. Tuning Rang
13、eMHz87.5 - 108.5 87.5 - 108.5 0.5 2. I. F.MHz10.710.7 0.3 3. Max. Sens. 90MHzdB1015 Max. Sens. 98MHzdB1015 Max. Sens. 106MHzdB1015 4. S/N 30dB Quieting Sens. 90MHzdB1522 98MHzdB1522 106MHzdB1522 5. 3 dB Limit Sens.dB2530 6. I.F. Rej. 90MHzdB6050 7. Image Rej. 106MHzdB3022 8. Spurious Rej. (F 5.35MHz
14、)dB4034 (Max. Sens. +6dB) 9. AM Suppression (60dB I/P)dB3020 10. AFC Hold RangekHz450300 - 600 11. Distortion at 1mV (Mono)%13 12. Audio Fidelity, (-3dB) (Pre-emphass) (50S)Hz60 - 9000120 - 6000 13. Power Out, Max. W- 10% THDW21.7 14. Low Voltage%8085 15. S/N Ratio at 1mV (Mono)dB5045 Hum (at Min. V
15、ol.)mV0.53 S/N Ratio at 46 dB (Stereo) Dev. 40 kHz 10% Pilot (for VDE Special)dB3642 w/A Filter 16. Hum (at Min. Vol.)mV0.53 17. Dial Calib.MHz-0.75 18. Modulation HumdB5045 (for VDE Special)dB4842 19. Stereo SeparationdB2622 20. 19kHz Leak CarrierdB3227 21. Stereo On(for VDE Special)dB2630 TEST ITE
16、MS PERFORMANCE SPECIFICATIONS - CONTINUED Ref. No.DescriptionMfrs Part No.Qty. PCB CONTROL PCBPCB CD6602-01-03 (94HB)033-006602-1001 MAIN PCBPCB CD6602-01-01 (94HB)033-006602-3001 REGULATION PCB PCB CD6602-01-02 (94HB)033-006602-3001 RECTIFIER PCBPCB CD2390-01-04 (94V0)033-002390-1001 REMOTE CONTROL
17、 SECTION REMOTE CONTROL HANDSET RC18-06 w/BATTERY043-R11806-0101 L.GREY COLOR (FOR CD330 x/CD66xx/CDG62) BEAT CUT AND FM MONO/ST. SECTION RESISTORS All are +-5% 1/16W (1/8W) tape & wheel resistors unless otherwise specified R1*CdF RESISTOR 2.2 Kohm 001-022251-0161 R318,319*CdF RESISTOR 3.3 Kohm 001-
18、033251-0162 CAPACITOR C317#MYLAR CAP 0.001 uF/100V +-5%004-010250-1001 TRANSISTOR Q301TRLNPNSST-TAP&TO-092 3DG1815008-618150-0001 SWITCH SW202SLIDE SW SK22F03G9 AA F30 ALE (8C-CDC-622-18)025-220091-1081 (Cd FREE) CD SECTION RESISTORS All are +-5% 1/16W (1/8W) tape & wheel resistors unless otherwise
19、specified R101*CdF RESISTOR 10 ohm 001-010051-0161 R32,107,157*CdF RESISTOR 1 Kohm 001-010251-0163 R130*CdF RESISTOR 10 Kohm001-010351-0161 R105RESISTOR 18 Kohm001-018351-0161 R102,103RESISTOR 27 Kohm001-027351-0162 R158RESISTOR 5.6 Kohm 001-056251-0161 R108RESISTOR 91 ohm 001-091051-0161 SR114CHIP
20、RESISTOR 10 Kohm +-5% 1/16W001-310352-0161 R124,128,139,413*CdF RESISTOR 10 Kohm 001-010351-0164 R126*CdF RESISTOR 100 Kohm001-010451-0161 R127*CdF RESISTOR 15 Kohm001-015351-0161 R106*CdF RESISTOR 2.2 Kohm 001-022251-0161 R123*CdF RESISTOR 22 Kohm 001-022351-0161 R129,131,132,133,134*CdF RESISTOR 3
21、.3 Kohm 001-033251-0165 R135,137*CdF RESISTOR 33 Kohm 001-033351-0162 R199*CdF RESISTOR 470 ohm001-047151-0161 R125,415*CdF RESISTOR 47 Kohm 001-047351-0162 R136,138*CdF RESISTOR 6.8 Kohm001-068251-0162 R104RESISTOR 68K 001-068351-0161 CAPACITORS C104,105,114,122,123,128,(F003-010380-025) CERAMIC CA
22、P 0.01 uF/ 003-010380-05010 130,140,145,15550V +80%-20% C1,3,102,108,109,110,111,CERAMIC CAP 0.1 uF/16V +80%-20%003-010480-01613 112,117,118,904,905,906 C157CERAMIC CAP 0.0047 uF/50V +80%-20%003-047280-0501 C120CERAMIC CAP 56 pF/50V +-10%003-056010-0501 C133CERAMIC CAP 0.033 uF/50V +80-20%003-033380
23、-0501 C126CERAMIC CAP 47 pF/50V +-10%003-047010-0501 C132CERAMIC CAP 0.0047 uF/50V +80%-20%003-047280-0501 C107,136,137,138,139CERAMIC CAP 0.047 uF/50V +80%-20%003-047380-0505 ELECTRICAL PARTS LIST 56 ELECTRICAL PARTS LIST - CONTINUEDELECTRICAL PARTS LIST - CONTINUED Ref. No.DescriptionMfrs Part No.
24、Qty. C135CERAMIC CAP 820 pF/50V +-10%003-082110-0501 C134CERAMIC CAP 0.0027 uF/50V +-10%003-227210-0501 (87-A11-125-08C) (AXIAL TAPED 52mm) C142,143CERAMIC CAP 27 pF/50V +-5% (NPO)003-427050-0502 (CC45-CH1H270J/RBU04CH270J-L) C147,151#MYLAR CAP 0.0012 uF/100V +-10%004-012210-1002 C127(F004-015310-05
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