Akai-AM2200-int-sm维修电路原理图.pdf
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1、RadioFans.CN 收音机爱 好者资料库 SECTION 1 SERVICE MANUAL TABLE OF CONTENTS I. TECHNICAL DATA 2 II. DISMANTLING OF UNIT 3 III. CONTROLS 4 IV. PRINCIPAL PARTS LOCATION 4 V. LEVEL DIAGRAM 5 VI. MAIN AMP ADJUSTMENT . 5 VII. CLASSIFICATION OF VARIOUS P.C BOARDS. 6 1. RELATION OF P.C BOARD TITLE AND IDENTIFICATIO
2、N NUMBER 6 2. COMPOSITION OF VARIOUS P.C BOARD . 7 For basic adjustments measuring methods, and operating principles, refer to GENERAL OPERATING PRINCIPLES AND ADJUSTMENTS. RadioFans.CN 收音机爱 好者资料库 I. TECHNICAL DATA 1. Power Amplifier Section Continuous Power Output POWER BANDWIDTH (1HF) SIGNAL TO NO
3、ISE RATIO (1HF) RESIDUAL NOISE CHANNEL SEPARATION (1HF) DAMPING FACTOR OUTPUT 20 watts per channel, minimum RMS, at 8 ohms from 20 to 20,000 Hz with no more than 0.5% total harmonic distortion 10 to 45,000 Hz/8 ohms (Total Harmonic Distortion 0.5%) Phono: Better than 85 dB Aux: Better than 95 dB Les
4、s than 0.8 mV at 8 ohms Phono: Better than 55 dB at 1,000 Hz More than 60 (1 kHz, 8 ohms) Speakers: A,B (4 to 16 ohms)/A+B(8 to 16 ohms) Headphone: 4 to 16 ohms 2. Pre Amplifier Section INPUT SENSITIVITY AND IMPEDANCE OUTPUT LEVEL AND IMPEDANCE FREQUENCY RESPONSE TONE CONTROL LOUDNESS CONTROL Phono:
5、 3 mV/47 k ohms AUX: 150 m V/ 100 k ohms Tuner: 150 mV/100 k ohms Tape Monitor: PIN; 150 mV/100 k ohms DIN; 150 mV/100 k ohms TapeREC: PIN; 150 mV/100 k ohms DIN; 150 mV/100 k ohms Phono (RIAA equalization) 30 to 15,000 Hz +-1 dB BASS: 9 dB at 100 Hz, TREBLE: 7 dB at 10 kHz +10 dB at 100 Hz, +5 dB a
6、t 10 kHz (Volume Control set at -30 dB position) FILTER HIGH: -6 dB at 10 kHz, LOW: -6 dB at 50 Hz 3. Others SEMICONDUCTORSTransistors: 18, Diodes: 5, IC: 1 POWER REQUIREMENTSU.S.A. and Canada model: 120V, 60 Hz CEE models: 220V, 50 Hz Other models: 110/220/240V, 50/60 Hz switchable DIMENSIONS380(W)
7、 x 125(H) x 263(D) mm (15x4.9x 10.3) inches WEIGHT5.5 kg (12.1 IDS.) NOTE: For improvement purposes, specifications and design are subject to change without notice. II. DISMANTLING OF UNIT In case of trouble, etc. necessitating disassembly, please disassemble in the order shown in photograph. Reasse
8、mble in reverse order. 1 SCREWS SCREWS CABINET SCREWS SCREWS ADJUSTMENT t A cL) SCREWS 6 5 2 7 BOTTOM PLATE 3 4 FRONT PANEL micro VII. CLASSIFICATION OF VARIOUS P. C BOARDS 1. RELATION OF P.C BOARD TITLE AND IDENTIFICATION NUMBER P.C Board Number of P.C Board Main Amp P.C Board MFC P.C Board LED P.C
9、 Board VR P.C Board Headphone P.C Board M2-5018/A M2-5019 M2-5019A M2-5019B M2-5019C Tone Control P.C Board M2-5022 2. COMPOSITION OF VARIOUS P.C BOARD 1) MAIN AMP P.C BOARD M2-5018/A, LED P.C BOARD M2-5019A 3) VR P.C BOARD M2-5019B WHT/CROSS BLK M2-50.9 M2-5022 4) HEADPHONE P.C BOARDM2-5019C ISPBl
10、5) TONE CONTROL P.C BOARD M2-5022 WHT/LONG BLU BALANCELOUDNESSVOLUME 2) MFC P.C BOARD M2-5019 TAPE MONITOR R O M SECTION 2 TABLE OF CONTENTS 1. RECOMENDED SPARE PARTS LIST . .17 2. MAIN AMP P.C BOARD (M2-5018) BLOCK. 18 3. MFC P.C BOARD (M2-5019) BLOCK . . 18 4. VOL P.C BOARD (M2-5019B) BLOCK. .18 5
11、. HEADPHONE P.C BOARD (M2-5019C) BLOCK.18 6. TONE CONTROL P.C BOARD (M2-5022) BLOCK .18 7. ASSEMBLY BLOC.19 8. FINAL ASSEMBLY BLOCK. . 21 9. LIST OF JNTERCHANGEABLE SEMICONDUCTORS . 22 INDEX . 23 Resistor and Capacitor which is not listed in this parts list, please refer to COMMON LIST FOR SERVICE P
12、ARTS. PARTS LIST R O M HOW TO USE THIS PARTS LIST 1. This parts list is compiled by various individual blocks based on assembly process. 2. When ordering parts, please describe parts number, serial number, and model number in detail. 3. How to read list. The reference number corresponds with illustr
13、ation or photo number of that particular parts list. This number corresponds with the Figure Number. This number corresponds with the individual parts index number in that figure. A small x indicates the inability to show that particular part in the Photo or Illustration. Schematic Diagram Number of
14、 individual manufactured part. (not required for parts order) Quantity of particular part required. 12-115x Ref. No. Parts No. Description Schematic No Qty FLYWHEEL BLOCK #13 12-ll5x 800425 Flywheel Block Assy. Comp. RDG#13 12-116 244506 Flywheel Only RD 233 12-117x 244754 Felt, Flywheel RD275 12-11
15、8 251324 Main Metal Case RD 236 12-119 253080 Main Metal RD237 4. The symbol numbers shown on the P.C. Board list can be matched with the Composite Views of components of the Schematic Diagram or Service Manual. 5. The indications of Resistors and Capacitors in the photos of P.C. Board are being eli
16、minated. 6. The shape of the parts and parts name, etc. can be confirmed by comparing them with the parts shown on the Electrical Parts Table of P.C. Board. 7. Both the kind of part and installation position can be determined by the Parts Number. To determine where a parts number is listed, utilize
17、Parts Index at end of Parts List. It is necessary first of all to find the Parts Number. This can be accomplished by using the Reference Number listed at right of parts number in the Parts Index, (meaning of ref. no. outlined in Item 3 above). 8. Utilize separate Price List for Parts to determine un
18、it price. The most simple method of finding parts Price is to utilize the reference number. CAUTION: 1. When placing an order for parts, be sure to list the parts no. model no., and description. There are instances in which if any of this information is omitted, parts cannot be shipped or the wrong
19、parts will be delivered. 2. Please be careful not to make a mistake in the parts no. If the parts no. is in error, a part dif- ferent from the one ordered may be delivered. R O M 1. RECOMMENDED SPARE PARTS LIST Parts No. BA211263 BA211252 BA211274 BA211285 BA211432 BC224807 BD211230 BT225178 Parts N
20、omenclature Multi Function P.C Board Comp. M2?5019 Main Amp P.C Board Comp. M2?5018 Volume P.C Board Comp. M2?5019B Headphone P.C Board Comp. M2?5019C Tone Control P.C Board Comp. M2?5022 Cabinet A M2?5013 Front Panel Block Comp. AM?2200(U) Power Transformer AM?2200T?1 BT2 15043 Power Transformer AM
21、?2200T?2 BT215054 Power Transformer AM?2200T?3 BT239591 ED656357 Reference No. CSA CEE Power Transformer AM?2200T?4 BEAB Luminous Diode SEL105R ED551733 Silicon Varistor STV?4H ED656278 ED219903 EI697871 Silicon Diode 1S2472VE Silicon Diode GP15D IC LA3122 EJ650272 Pin Jack 14P JPJ379?1?1 EJ698051 D
22、in Jack Jl (Multi Function P.C Board) J2 (Multi Function P.C Board) EJ225022 EJ240581 E0650823 ES225055 Headphone Jack LJ255?1?12 Jl (Headphone P.C Board) Push Terminal 4P Phase Equalizer Coil 2.2H Rotary Switch SR26N C30K ES225088 Push Switch 2F?0005FF3220 ES224965 Push Switch 1FT?0004AF4920 ES2250
23、44 Push Switch 2F?0002FF1620 ES219846 Push Switch 3FT?0001FF6820 ES224436 Power Switch JP01 ES239218 ES242346 ET219870 Power Switch JP01 (TV?4) Power Switch JP? 17 Transsistor 2SD586 (Q)(R) L1 (Main Amp P.C Board) SW1 (Multi Function P.C Board) SW2 (Multi Function P.C Board) SW1 (Volume P.C Board) S
24、W1 (Headphone P.C Board) SW1 (Power Switch) CSA CEE ET2 19881 Transistor 2SB616 (Q)(R) ET223446 Transistor 2SC1571NP (G)(H) ET219868 ET219857 ET539987 Transistor 2SB560 (E)(F) Transistor 2SD438 (E)(F) Transistor 2SC1312R (F)(G) EV573366 Semi?fixed Volume V10K8?4?2 200 ohmsB EV224943 EV224954 EV21983
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