Sanyo JA 300 Service Manual

Page 1

SERVICE MANUAL

POWER AMPLIFIER

JA 300

(EUROPE)

SPECIFICATIONS
NOTE: .
The below mentioned specifications are mainly based on the IHF measurements standard. They can therefore not
directly be compared with specifications based on the DIN standard or ther standards.
Continous output power ....... 25W x 2 (at 8xohms, Graphic equalizer controls ........ $10 dB (63/250/1000/
0.3% distortion) 4000/ 1 6000 Hz)
Total harmonic distortion ...... 0.1% (20W output, High filter response ............. 7 kHz (-6 dB/oct.)
8 ohms) Loudness control response
Input sensitivity and impedance 100 Hz/10 kHz .............. + 8 dB/+4 dB
PHONO ................ 2.5 mV/47 kohms Signal to noise ratio ............ 90 dB
AUX/TUNER/TAPE PLAY . . . 150 mV/47 kohms Power requirements . . ; ......... AC: 220V, 50Hz
Phone overload level .......... 130 mV RMS (at 1kH2l Power consumption ............ 130W
Output level AC output socket .............. AC: 18 V, 300 mA
TAPE . REC ............. 150mV Dimensions (Approx.l ........... 420 (W) x 220 (D) x
Frequency response .......... 20 - 20000 Hz 85 (H) mm
. (16-1/ " x 8-5/ "x3~3/8")
Weight (ApproxJ .............. 4 kg (9 lbs.)

Specifications subject to change without notice.

WM-8507

Page 2

DISMOUNTING OECABINETAND FRONT PANEL

L 0 Perform disassembly of amplifier after removing the power supply cord with out fail.
,0 Revove parts in order of disassembly as numdered.

1_. _T0 DISMOUNT CABINET
' (1). Take out total 4 screws (Binding head tapping 4 x 8mm 1) from cabinet.
(2). Take out 1 screw (Binding head tapping 3 x 6mm 2 ) from cabinet.

2. TO DISMOUNT FRONT - PANEL
(1). Remove volume control knob and function select knob.
(2). Take out total 6 screws (Binding head tapping 3 x 12mm 6) from front panel.