Teac A H400 Service Manual
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Page 1
TEAC
SERVICE MANUAL
A-H400
Integrated Stereo Amplifier
NOTES
- PC boards shown are viewed from parts side.
0 The parts with no reference number or no parts number in
the exploded views are not suppiied.
e As regards the resistors and capacitors, referto the circuit
diagrams contained in this manual.
. A Parts marked with this sign are safety critical compo-
nents.
They must be replaced with identical components- refer to
the appropriate parts list and ensure exact replacement.
0 Parts of [ ] mark can he used only with the version desig-
nated
[J] : JAPAN [US] : U.S.A. [C]: CANADA
[E] : EUROPE [UK] : U.K. [GE] : GENERAL EXPORT
Page 2
CONTENTS
SPECIFICATIONS .............................................................. 2
[(2 [PN FUNCT|ON .............................................................. 3
WIRING DIAGRAM ............................................................. 5
BLOCK DIAGRAM .............................................................. 7
SCHEMATIC DIAGRAM ........................................................ 9
PRINTED CIRCUIT BOARDS .................................................... 13
EXPLODED V|EW ....................... _ ....................................... 17
ELECTR|CAL PARTS L|ST ...................................................... 20
n . .
Specifications
AMP Section General
Power output : 40W + 40W Power Requirements : 230V AC, 50HzlEUR]
(8S2, 1kHz, 0.3%) Power Consumption : 100WIEUR]
Total harmonic distirtion : 0.05% Dimensions (WXHXD) : 285x131 X352mm
(40W, 1kHz, 8(2) Weight(net) : 6kg
S/N Ratio (inout Short)
Phono : 65dB (IHF-A) Standard accessories
CD, Tuner, Aux, Tape : 90dB (lHF-A) Remote Control unit : 1
Input Sensitivity/ Impedance Operators manual : 1
PhonoIMM) :2.5mV/47KQ
CD, Tuner, Aux, Tape : 200mV/47KS2
Max'imun Input level I Improvements may result in specifications and
Phone ; 45mV features changing without notice.
CD, Tuner, Aux, Tape ; 4,5V o Illustrations may differ slightly from production
Channel Separation :56dB models.
(Input Short) (1kHz, 1W, B.P.F)
Residual noise : 0.6mV
Frequency response : 5H2 to 85kHz
Tone control
Bass : :10dB (100Hz)
Treble : :10dB (10KHz)
Required speaker impedance : 89 to 169
SERVICE MANUAL