TEAC AG-790A Service Manual

Cover page of TEAC AG-790A Service Manual

Service Manual for TEAC AG-790A, downloadable as a PDF file.

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Effective : Sep. 2005
NOTES
PC boards shown are viewed from parts side.
The parts with no reference number or no parts number in the
exploded views are not supplied.
As regards the resistors and capacitors, refer to the circuit diagrams
contained in this manual.
Parts marked with this sign are safety critical components. They
must be replaced with identical components - refer to the appropriate
parts list and ensure exact replacement.
CONTENTS
1
SPECIFICATIONS
2
3
EXPLODED VIEWS AND PARTS LIST
9
4
PC BOARDS AND PARTS LIST
13
5
REMOTE CONTROL LAYOUT
20
AG-790A Versions
T/C,EUR,UK,230E,HKG
2
IC SPECIFICATIONS 3
6
INCLUDED ACCESSORIES
21
AG-790A
AM/FM STEREO Receiver
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Effective : Sep. 2005
NOTES
PC boards shown are viewed from parts side.
The parts with no reference number or no parts number in the
exploded views are not supplied.
As regards the resistors and capacitors, refer to the circuit diagrams
contained in this manual.
Parts marked with this sign are safety critical components. They
must be replaced with identical components - refer to the appropriate
parts list and ensure exact replacement.
CONTENTS
1
SPECIFICATIONS
2
3
EXPLODED VIEWS AND PARTS LIST
9
4
PC BOARDS AND PARTS LIST
13
5
REMOTE CONTROL LAYOUT
20
AG-790A Versions
T/C,EUR,UK,230E,HKG
2
IC SPECIFICATIONS 3
6
INCLUDED ACCESSORIES
21
AG-790A
AM/FM STEREO Receiver
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1 SPECIFICATIONS
2
AG-790A
Amplifier Section
Output Power . . . . . . . . . . . . . . . . . . . . . . . . . .100 + 100 watts RMS (0.9 % THD, 1 kHz, 8 ohms)
Total Harmonic Distortion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.05 % (at 80 watts,1 kHz)
Input Sensitivity/Impedance . . . . . . . . . . . . . . . . . . PHONO: 6.5 mV/22 kohms, LINE: 230 mV/22 kohms
Frequency Response . . . . . . . . . . . . . . . PHONO: 20 Hz to 20 kHz, ±3 dB, LINE: 20 Hz to 35 kHz, ­3 dB
Signal-to-Noise Ratio . . . . . . . . . . . . . . . . . . . . . . . PHONO: 75 dB (IHF-A), LINE: 90 dB (IHF-A)
Tone Control . . . . . . . . . . . . . . . . . . . . . . . BASS: ±10 dB at 100 Hz, TREBLE: ±10 dB at 10 kHz
Loudness Control (Volume at ­40 dB Position) . . . . . . . . . . . . . . . . . . . . . . . . +4 dB at 100 Hz
FM Tuner Section (Without notes 98.1 MHz, 65 dBf)
Tuning Range . . . . . . . . . . . . . . . . . . . . . . . . . . . 87.5 MHz to 108.0 MHz (100 kHz steps)[T/C]
87.5 MHz to 108.0 MHz (50 kHz steps)[EUR,UK,230E,HKG]
Usable Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mono: 10 dBV/m
50 dB Quieting Sensitivity . . . . . . . . . . . . . . . . . . . . . . . Mono: 15 dBV/m, Stereo: 33 dBV/m
Capture Ratio. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.8 dB
Image Rejection Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 dB
AM Suppresion Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 dB
Harmonic Distortion (1 kHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . Mono: 0.5 %, Stereo: 0.5 %
Frequency Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Hz to 15 kHz, ­3 dB
Stereo Separation (1 kHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 dB
Signal-to-Noise Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mono: 70 dB, Stereo: 65 dB
RDS Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .YRS [EUR,UK]
NO[T/C,230E,HKG]
AM Tuner Section
Tuning Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . 530 kHz to 1,720 kHz (10 kHz steps)[T/C]
522 kHz to 1,620 kHz, 9 kHz steps [EUR,UK,230E,HKG]
Usable Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 dB/m
Total Harmonic Distortion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 % at 100 dB/m
Signal-to-Noise Ratio. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 dB at 100 dB/m
General
Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 V AC, 60 Hz [T/C]
230 V AC, 50 Hz [EUR,UK,230E,HKG]
Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180 W
AC Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . Unswitched x 2, Total 100 W max (1 A max)
Dimensions (W x H x D). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 435 x 144 x 330 mm
Weight (net). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.4 kg
Standard Accessories
AM Loop Antenna x 1
FM Antenna x 1
Owner's manual x 1
Remote Control Unit x 1
Battery (AA, R6, UM-3) x 2
Design and specifications are subject to change without notice.
Illustrations may differ slightly from production models.
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2 IC SPECIFICATIONS
3
AG-790A
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4
AG-790A
T
TD
DA
A7
73
31
18
8D
D ((IIC
C2
23
3))
B
BL
LO
OC
CK
K D
DIIA
AG
GR
RA
AM
M
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5
AG-790A
N
NJ
JM
M4
45
55
56
6A
A ((IIC
C2
25
5))

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