Akai GXR 82 Service Manual

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CARTRIDGE TAPE RECORDER
MODEL GXR-82

ALSO APPLICABLE TO MODEL GXR-82D
CARTRIDGE TAPE DECK

SECTION I SERVICE MANUAL ...................... 2
SECTION 2 PARTS LIST ............................ [7
SECTION 3 SCHEMATIC DIAGRAM ................... 36

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I. SPECIFICATIONS

An asterisk next to a figure indicaties the minimum guranteed performance.

RECORDING SYSTEM

In-Iine S-track stereo recording system

PLAYBACK SYSTEM Invline 8-trank stereo playback system
TAPE SPEED Playback 33/4 ipsil.5% (*t2%)
F.I~'WD 15 ips110%
WOW AND FLUTTER Less than 0.25% (*0,35%)
FREQUENCY RESPONSE 50 to 16,000 Hzi3 dB
SIGNAL TO NOISE RATIO Better than 47 dB (*43 dB)
DISTORTION FACTOR Less than 3%
CROSS-TALK Less than 40 dB
ERASE RATIO Less than 65 dB (*60 dB)
OUTPUTS Line output 1.228V (0" VU)tI.5 (18, using 500 Hz
0" VU recorded tape
+
Din output 0,4V (*Program (D, ® 2 dB)
-4 dB
Power output More than 5W (Distortionless 89.)
INPUTS Line input 50 mV Impedance 500 kn
Din input 5 mV (*10 mV)
Mic input 0.5 mV Impedance 5 kn
Phone input 3.5 mV
RECORDING/PLAYBACK HEAD In-Iine E-track stereo
Gap 1.5/1000 mm
Impedance 600fli15% at I kHz
ERASE HEAD In-Iine 8»track stereo
Gap 0.] mm
Impedance 2109110% at 90 kHz
OSCILLATION FREQUENCY 67 kHzLi kHz
TRANSISTORS ZSC458LG(C) (D) . . . 2 2SC1312 (G) t . .4
2SC7II (F) (G)t.t8 ZSC711 (E) (F) (G)...3
28C121] (D) (E) . . . 2 ZSC945 (P) (Q) (R) . I . 2
ZSD360 (D) (E) . , .I 23C360 (D) (F) . I . I
IC STK-OIIA . . v 2 (GXR-BZ)
DIODES WG-599 , , . I5 IODOS . . t 5 (82D: 6)
10D4..r4 WG-210.HI
1N34A . . . 4
MOTOR Condenser starting induction two~speed
(2-8 pole) motor
Condenser Capacity 4 AF (50 Hz), 25 uF (60 HZ)
Revolutions 2900 to 725 rpm (50 Hz)
3480 to 870 rpm (60 Hz)
INSULATION RESISTANCE More than 50 Mn
INSULATION DURABILITY 1,000V AC for more than one minute duration
POWER REQUIREMENTS 100 to 240V AC, 50/60 Hz
POWER CONSUMPTION 60W
DIMENSIONS 346(W) x 135 (H) x 266 (D) mm (136 x 53HX10.5)
WEIGHT GXR-SZ 8.4 kg(18.51bs,)
GXR-BZD 8,2 kg(18.01bst)
NOTE: Specifications subject to change wighout noiticer