Akai AA 5800 5200 Service Manual

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Akai AA 5800 5200 Service Manual

Extracted text from Akai AA 5800 5200 Service Manual (Ocr-read)


Page 1

AA-5800

-˜ ~~~~~~ I AA-5500

AA-SZOO
TABLE OF CONTENTS

I. SPECIFICATIONS ............................... 2
II. DISMANTLING 0F AMPLIFIERS ................. 5
III. ARRANGEMENT 0F MAIN PARTS ................ 6
IV. MEASURING METHOD .......................... 9
V. MAIN AMPLIFIER ADJUSTMENTS ................. 10
VI. E.P.C. (ELECTRIC PROTECTION CIRCUIT)

ADJUSTMENT ................................. 12
V1]. COMPOSITE VIEWS OF COMPONENTS ............. 13
VIII. SCHEMATIC DIAGRAM

WHEN PLACING ORDER FOR PARTS,
PLEASE USE SEPARATE PARTS LIST.

Page 2

I . SPECIFICATIONS

An asterisk next to a ļ¬gute indicates the minimum guaranteed performance.

MODEL AA-5 800

MUSIC POWER OUTPUT 160 W/4 S2 (80 W/BO W), 120 W/8 S2 (60 W/60 W)
RATED POWER OUTPUT 120 WM 0 (60 W/60 W), 90 W/8 a (45 W/45 W) 03% -IF
REC OUTPUT PIN : 150 mV
DIN : 25 mV
INPUT SENSITIVITY AUX : 150 mV
PHONO 1, PHONO 2 : 3 mV
TUNER : 150 mV
TAPE 1,TAPE 2 : 185 mV
MIC : 1.2 mV
HARMONIC DISTORTION Less than 0.1% at 30 W, 8 n

FREQUENCY RESPONSE
HUM AND NOISE
SIGNAL TO NOISE RATIO

10 to 50,000 Hz --3 dB (*20 to 50,000 Hz -3 dB at 0 dBm, 8 :1)
Less than -50 dBm Volume minimum

AUX : More than 75 dB

PHONO 1, PHONO 2 : More than 65 dB

TUNER : More than 75 dB

TAPE 1,TAPE 2 : More than 75 dB

MIC : More than 53 dB

TONE CONTROLS BASS : 110 dB at 100 Hz
TREBLE : 110 dB at 10,000 Hz
LOUDNESS CONTROL 7 t 1.5 dB at 100 Hz and 4 11.5 dB at 10 kHz
(-2 dBm output)
FILTERS LOW CUT FILTER : -12 dB at 50 Hz
HIGH CUT FILTER : -7 dB at 10 kHz
POWER BAND WIDTH 20 to 25,000 Hz at 225 W, 8 n, 0.3% IIHIF
TRANSISTORS ZSA 545 (L) (M) . I I 1 ZSC 853 (L) (M) , , . 2
ZSA 606 (L) (M) I . . 2 25C 900 (E) (F) I .. 6
ZSA 640 (E) (F) . I I 6 25C 959 (L) (M) . . . 6
ZSA 641 (L) (M) (N) . I .1 25C 1222 (E) (F) . .14
28A 649 (L) (H)...2 25D 218 (L) (M)...2
1C LD-3120. I . 2
DIODES IN34A . . . 5
10D1 . . . 4
534 .I . 1
VARISTOR STV-3 . I . 2
SCR lRC-S . I I 3
POWER SUPPLY 100 to 240 V AC 50/60 Hz (USA 117 V AC 60 Hz as per U/L)
POWER CONSUMPTION 300 W
DIMENSIONS 432(W) X 143(H) x 330(D) mm
(17.2" x 5.7" x132-)
WEIGHT 11.5 kg (25.3 lbs)
REMARKS Speciļ¬cations subject to change without notice.

[J

Page 4

An asterisk next to a ļ¬‚gne indicates the minimum guaranteed performance.

MODEL AA-5200

MUSIC POWER OUTPUT 80 W/4 S2 (40 W/40 W), 60 W/8 n (30 W/30 W)
RATED POWER OUTPUT 60 W/4 Q (30 W/30 W), 40 W/8 n (20 WHO W) 0.8% I.I-I.F
REC OUTPUT PIN : 150 mV
DIN : 25 mV
INPUT SENSITIVITY AUX : 150 mV
TUNER : 150 mV
PHONO : 3 mV
TAPE : 150 mV
HARMONIC DISTORTION Less than 0.1% at 10 W; 8 n
FREQUENCY RESPONSE 20 to 50,000 Hz 73 dB(*2010 50,000 Hz -5 dB at 0 dBm, 8 ļ¬‚)

HUM AND NOISE

Less than -50 dBm, Volume minimum

SIGNAL TO NOISE RATIO

AUX 1 More than 70 dB
PHONO : Mme than 65 dB
TUNER : More than 70 dB
TAPE: More than 70 dB

TONE CONTROLS

BASS: :10 dB at 100 Hz
TREBLE : :10 dB at 10,000 Hz

LOUDNESS CONTROL

7 1 15 dB at 100 Hz and4 ilIS dB at IOkHz
(-10 dBm output)

FILTERS

LOWCUT FILTER : 412.5 i 1.5 dB at 50 kHz
HIGH CUT FILTER : -6 i 1.5 dB at 10 kHz

POWER BAND WIDTH

20 to 45,000 Hz, (*20 to 30,000 Hz at low, 8 n, 0.8% I.H.F)

TRANSISTORS ZSA 545 (L) (M) . I . 2
28C 853 (L) (M) . . . 4
25C 900 (D) (F) (H) . . .4
ZSC 968 (3) (4) I I I 1
25D 313 (E) (F) . . . 4
IC LD-3120 . . . 4
DIODES $1545 I . . 8
VARISTOR STV-3 I . I 2
POWER SUPPLY 100 V to 240 V AC 50/60 HZ (USA 117 V AC 60 Hz as per U/L)
POWER CONSUMPTION 150 W
DIMENSIONS 432(W) x 1430-!) x 330(D) mm
(17.2" x 5.7- x13.2")
WEIGHT 9 kg (19.8 lbs)
REMARKS Speciļ¬cations subject to change without notice.