Akai-QXD3305-cs-sm维修电路原理图.pdf
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1、PageCD MICRO SYSTEMQX-D3305PRODUCT SAFETY NOTICEPerformance Specifications . 1Electrical Parts List . 4Printed Circuit Boards . 13Wiring Diagram . 21Schematic Diagrams . 23Alignment Set-up Procedurecs . 29Equipment Connection Diagrams . 30Voltage Chart . 32IC Lead Identification and Internal Diagram
2、s . 35Block Diagrams . 39Exploded Drawing Parts List . 42Exploded Drawings . 46Many electrical and mechanical parts in this chassis have special safety characteristics.These safety characteristics often pass unnoticed and the protection afforded by them cannotnecessarily be obtained by using replace
3、ment components rated for higher voltage, wattage, etc.Replacement parts that have these special safety characteristics are identified in this manualand its supplements; electrical components having such features are identified by in theschematic diagram and the parts list.Before replacing any of th
4、ese components, read the parts list in this manual carefully.The use of substitute replacement parts that do not have the same safety characteristics asspecified in the parts list may create shock, fire or other hazards.CONTENTSRadioFans.CN 收音机爱 好者资料库Power Supply: AC 230V 50HzOutput Load: 4 ohm non-
5、reactiveReference Output: 500 mW, 4 ohmInput Signal Source: External AM Loop Antenna75 ohm Dummy for FMModulation: 30% 400Hz for AM 80% for Power75kHz Deviation 1000Hz for FM1kHz, 750mV Aux InputRemarks: 7.5kHz Pilot Tone40kHz L+R 1000HzGENERAL TEST CONDITIONCD SECTIONUNIT NOMINALLIMIT1. 10% Dis. Ou
6、tput Power (1kHz, 0dB)W54.52. Frequency Response (100Hz-20kHz/1kHz, 0dB)dB163. De-emphasis Response (1kHz, 0dB/5K, -5dB/16kHz, -9dB)dB244. Channel Balance (1kHz, 0dB)dB12*5. Channel Separation (1kHz, 0dB)dB4540*6. T.H.D. + Noise (1kHz, 0dB)%0.31.0*7. S/N Ratio (1HF-A) (1kHz, 0dB)dB60558. CD Speed (1
7、000Hz)Hz-1*9. Dynamic RangedB807010. Wedge m-60011. Black Dot m80060012. Fringer PrintTrack-No. 1813. Eccentricity TCD-712 ABEXm-15014. Vertical Deviation TCD-731R ABEXmm-0.815. Seaching Time TN01-TN024Sec.58 TN024-TN01Sec.5816. Minimum Operation Voltage%859017. CD Max. Vol. HummV510*with external A
8、 CURE L.P.F.ITEM 1 - 9 Test Disc CBD SONY YEDS7ITEM 10 - 12 Test Disc PHILIPS 444AITEM 15 Test Disc PHILIPS 444Level MatchingAux 750 mVAM 55% 5mVdB3FM 40kHz 1mVdB3CD -10dBdB-63MTT-112NdB3TEST ITEMSAM SECTION, AMPLITUDE MODULATIONUNITNOMINALLIMIT1. Tuning RangekHz522-1620-2. I. F.kHz45033. S/N 10mV/m
9、0.999MHzdB36304. Sens. (at S/N 20dB)0.603MHzV/m99719950.999MHzV/m99719951.404MHzV/m99719955. I. F. Rejection 0.603MHzdB50466. Image Rejection 1.404MHzdB30247. Spurious RejectiondB35258. Bandwidth, -6 dB, at0.999MHzkHz64 - 9(Max. Sens. +6 dB)9. ACA (9 kHz) Input 0.999MHzdB201510. AGC Figure Merit100m
10、V/mdB454011. Distortion, 5mV/m, 30%13 80%3612. 10% THD Power ACW54.513. a. Tweet (2nd 900kHz & 3rd 1350kHz)dB1510 at 75 dB I/P14. Audio Fidelity, Centre (6) dBHz60/2200120/200015. Low Voltage AC%808516. a. Mod. Hum 10mV/mdB3630b. Hum at Min. Vol.mV1317. Auto Stop Sens.dB647018. Step FrequencykHz-9TE
11、ST ITEMSCASSETTE SECTIONUNITNOMINALLIMITA(PLAYBACK)1. Tape Speed (MTT-111N)%132. Wow & Flutter JIS WTD (MTT-111N)%0.250.383. Take Up Torque (PLAY)g-cm30604. F. F. / Rew. Torque g-cm601405. Output Power (MTT-112BN) 10% THDW54.56. S/N Ratio (MTT-112BN)dB45407. T. H. Distortion (MTT-112BN)%238. Frequen
12、cy Response (MTT-257H)125HzdB366.3kHzdB369. Separation (MTT-141N) w/BPFdB403010. Cross Talk (X- BASS OFF) w/BPF (MTT-121N)dB554511. Hum & Noise VR MAX (w/o Tape)mV3050 VR MIN(w/o Tape)mV13B(RECORD)1. T. H. / Distortion %482. Erase Ratio Effect (MTT-112BN) for LeveldB55483. Rec. / Playback Level Diff
13、erence (Radio)dB244. Rec. / Play S/N Ratio (with A Filter)dB40355. Frequency Response (MTT-257)125HzdB47(Ref: 1kHz 0dB)6.3kHzdB47Remarks:All measurement should be done in Bypass mode without X-Bass/Toneeffect.TEST ITEMS12PERFORMANCE SPECIFICATIONSPERFORMANCE SPECIFICATIONS - CONTINUEDRadioFans.CN 收音
14、机爱 好者资料库FM SECTION, FREQUENCY MODULATIONUNITNOMINALLIMIT1. Tuning RangeMHz87.5-108-2. I. F.MHz10.70.33. 30dB S/N90MHzV222698MHzV2226106MHzV22264. -3dB Limit Sens.dB16305. I. F. Reection 98MHzdB60506. Image Rejection 106MHzdB30227. Spurious Rejection (F + 0.535 MHz)dB4035(Max. Sens. +6dB)8. AM Suppre
15、ssion(60dB I/P)dB45309. Mod. Hum(60dB I/P)dB484210. Distortion at 1mV/m (Mono)%12100mV/m75kHz%11. Audio Fidelity, (-3dB) (Pre-emphass) (75S)/(50S)Hz60/9000120/600012. Power Out, Max. ACW6.55.510% THDW54.513. Low Voltage AC%808514. S/N Ratio at 1mV/m98MHzdB554615. Alternate Channel Selective 400kHzdB
16、251816. Stereo SeparationdB262217. 19kHz Leak CarrierdB322718. Stereo IndicationdB263019. Step FrequencykHz-5020. Auto Stop Sens.dB3035Remarks:NOTE: All measurement should be done in Bypass mode without X-Bass/Tone/effect.TEST ITEMSAMPLIFIER SECTIONUNITNOMINALLIMIT1.Output Power Per Channel (750mV I
17、N)10%1kHzW54.52.Frequency Response: +/-6dB(L&R)Hz/kHz-100/203.THD (1kHz, Ref O/P)(L&R)%0.51.04.Channel UnbalanceL&R1kHzdB135.Minimum Vol. Hum (Unwgtd/wgtd)mV136.Maximium Vol. Hum (Unwgtd/wgtd)mV5107.X-Bass100HzdB838.S/N (Unwgtd/CCIR-ARM2k)L&R1kHzdB60509.Seperation1kHzdB454010. Cross Talk for Input (
18、AUX/CD-Ref) w/BPF1kHzdB4540TEST ITEMS34PERFORMANCE SPECIFICATIONS - CONTINUEDELECTRICAL PARTS LISTRef. No.DescriptionMfrs Part No. Qty.PCBTUNER PCBPCB CD6606-01-01 (94V0)033-006606-6001CASSETTE & CD PCBPCB CD6606-01-02 (94V0)033-006606-6001POWER PCBPCB CD6606-01-03 (94V0)033-006606-6001DOOR SW. PCBP
19、CB CD6606-01-04 (94V0)033-006606-6001CONNECT PCBPCB CD6606-01-05 (94V0)033-006606-6001MOTOR & LEAF SW. CONNECT PCB PCB CD6606-01-06 (94V0)033-006606-6001RECTIFIER PCBPCB CD6606-01-09 150 x100 x1.6mm/2 (94V0)033-006606-1011KEY & DISPLAY PCBPCB CD6606-01-08 224x124x1.6mm/2 (94HB)033-006606-1001REMOTE
20、CONTROL SECTIONREMOTE CONTROL HANDSET, w/BATTERY,043-R11817-0101L.GR COLOR (CD330 x/CD66xx/CD6821/RV2003)AUX SECTIONRESISTORS All are +-5% 1/16W (1/8W) tape & wheel resistors unless otherwise specifiedR501,502*CdF RESISTOR 47 Kohm001-047351-0162R503,504RESISTOR 8.2 Kohm 001-082251-0162CAPACITORSC501
21、,502ELECT CAP 4.7 MFD/50V +-20% (5x11)006-004000-50D2MISCELLANEOUSJK501PIN JACK #HSP-212V-06 WHITE/RED118-020212-0011CD SECTIONRESISTORS All are +-5% 1/16W (1/8W) tape & wheel resistors unless otherwise specifiedR51,56*CdF RESISTOR 33 Kohm 001-033351-0162R42,58RESISTOR 56 Kohm 001-056351-0162R60*CdF
22、 RESISTOR 10 ohm001-010051-0161R5,6,7,9,13,28,29,30,38,40,43,57,*CdF RESISTOR 1 Kohm 001-010251-01613LM-CL1R1,16,20,25,26,27,31,37,39,47,48,49,*CdF RESISTOR 10 Kohm001-010351-0161650,59,61,88R11,17*CdF RESISTOR 100 Kohm 001-010451-0162R34*CdF RESISTOR 15 Kohm 001-015351-0161R41*CdF RESISTOR 220 ohm
23、001-022151-0161R45*CdF RESISTOR 2.2 Kohm 001-022251-0161R23,24,44*CdF RESISTOR 22 Kohm001-022351-0163R33RESISTOR 220 Kohm001-022451-0161R21,22RESISTOR 270 ohm 001-027151-0162R36*CdF RESISTOR 3.3 Kohm 001-033251-0161R15RESISTOR 39 Kohm001-039351-0161R10,14*CdF RESISTOR 4.7 Kohm 001-047251-0162R32,46,
24、52,53,54,55,86*CdF RESISTOR 47 Kohm 001-047351-0167R35RESISTOR 5.6 Kohm 001-056251-0161R12RESISTOR 680 ohm001-068151-0161R4RESISTOR 91 ohm 001-091051-0161CAPACITORSC5,6,17,22,39,40,41,42,47(F003-010380-025) CERAMIC CAP 0.01 uF/003-010380-050950V +80%-20%C4,23,25,26,27,29,30,53,54CERAMIC CAP 0.1 uF/1
25、6V +80%-20%003-010480-0169C8,12CERAMIC CAP 0.002 uF/50V +80%-20%003-020280-0502C43CERAMIC CAP 47 pF/50V +-10%003-047010-0501C35,36CERAMIC CAP 470 pF/50V +-10% TAPING003-047110-0512(B TYPE/4mm)C31,32,33,34,50CERAMIC CAP 0.047 uF/50V +80%-20%003-047380-0505C61CERAMIC CAP 0.0047 uF/16V +80%-20%003-2472
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