Akai AM2200 free download

File name Akai-AM2200 amp.pdf

SECTION 1 SERVICE MANUAL TABLE OF CONTENTS I. II. III. IV. V. VI. VII. TECHNICAL DATA DISMANTLING OF UNIT CONTROLS PRINCIPAL PARTS LOCATION LEVEL DIAGRAM MAIN AMP ADJUSTMENT ... CLASSIFICATION OF VARIOUS P.C BOARDS... 1. RELATION OF P.C BOARD TITLE AND IDENTIFICATION NUMBER 2. COMPOSITION OF VARIOUS P.C BOARD 2 3 4 4 5 5 6 6 . 7 For basic adjustments measuring methods, and operating principles, refer to GENERAL OPERATING PRINCIPLES AND ADJUSTMENTS. I. TECHNICAL DATA 1. Power Amplifier Section Continuous Power Output POWER BANDWIDTH (1HF) SIGNAL TO NOISE 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 Less 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 Phono: 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 at 10 kHz (Volume Control set at -30 dB position) HIGH: -6 dB at 10 kHz, LOW: -6 dB at 50 Hz OUTPUT LEVEL AND IMPEDANCE FREQUENCY RESPONSE TONE CONTROL LOUDNESS CONTROL FILTER 3. Others SEMICONDUCTORS POWER REQUIREMENTS Transistors: 18, Diodes: 5, IC: 1 U.S.A. and Canada model: 120V, 60 Hz CEE models: 220V, 50 Hz Other models: 110/220/240V, 50/60 Hz switchable 380(W) x 125(H) x 263(D) mm ( 1 5 x 4 . 9 x 10.3) inches 5.5 kg (12.1 IDS.) DIMENSIONS WEIGHT 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. Reassemble in reverse order. 1 5 SCREWS SCREWS 2 CABINET 6 FRONT PANEL SCREWS SCREWS 3 7 BOTTOM PLATE ADJUSTMENT SCREWS 4 A c L) t VII. CLASSIFICATION OF VARIOUS P. C BOARDS 1. RELATION OF P.C BOARD TITLE AND IDENTIFICATION NUMBER P.C Board Main Amp P.C Board MFC P.C Board LED P.C Board VR P.C Board Headphone P.C Board Tone Control P.C Board Number of P.C Board m icro M2-5018/A M2-5019 M2-5019A M2-5019B M2-5019C 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 VOLUME LOUDNESS BALANCE 4) HEADPHONE P.C BOARDM2-5019C ISPBl 5) TONE CONTROL P.C BOARD M2-5022 WHT/LONG BLU 2) MFC P.C BOARD M2-5019 [TAPE MONITOR] SECTION 2 PARTS LIST TABLE OF CONTENTS 1. 2. 3. 4. 5. 6. 7. 8. 9. RECOMENDED SPARE PARTS LIST ... ...17 MA