TEAC AG-D8800 - Service Manual Immediate Download

PC board 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

ensure exact replacement.

!

components - refer to the appropriate parts list and

1 SPECIFICATIONS

2

3 EXPLODED VIEW AND PARTS LIST

4 PC BOARDS AND PARTS LISTS

5 WIRING DIAGRAM

6 INCLUDED ACCESSORIES

3

5

8

17

19

2 ADJUSTMENT AND CHECKS

AG-D8800

AM/FM STEREO RECEIVER

TEAC

[E]: EUROPE. [HKG]: HONG KONG

[SAF]: SOUTH AFRICA [AUS]: AUSTRALIA

1 SPECIFICATIONS

AG-D8800

AMPLIFIER Section

Output Power:

100+100 W (Stereo 0.7% THD,40Hz to 20 kHz,6 ohms)

Total Harmonic Distortion:

Audio Input Sensitivity/Impedance:

0.09% (at 100 W, 1kHz, 6 ohms)

200 mV/22 k ohms

*LINE: 200 mV/47 k ohms

Frequency Response:

*LINE: 20 Hz - 50 kHz, +0/-3 dB

Signal -to-Noise Ratio

*LINE: 92 dB (IHF-A)

Tone Control:

BASS: +/- 10 dB at 100 Hz, TREBLE: +/- 10 dB at 10 kHz

FM Tuner Section

Tuning Range:

87.5 MHz - 108.0 MHz (50 kHz steps)

Total Harmonic Distortion (1 kHz):

Mono: 0.5% , Stereo: 0.8%

Frequency Response:

30 Hz - 15 kHz, +/- 3dB

Stereo Separation (1 kHz):

Signal-to- Noise Ratio:

Mono: 70 dB / Stereo: 65 dB

(Without notes 100.1 MHz, 65 dBf)

AM Tuner Section

Tuning Range:

522 kHz - 1,611 kHz (9 kHz steps)

Usable Sensitivity :

Signal -to-Noise Ratio :

Total Harmonic Distortion :

120 W + 120 W ( 6 ohms, JEITA)

Surround Output Power

125 W per channel (0.7% THD, 1kHz, 6 ohms, only one channel driven)

150 W per channel (6 ohms, JEITA)

Output Level / Impedance (TAPE REC):

Digital Audio Section

Sampling Frequency:

32 kHz, 44.1 kHz, 48 kHz, 96 kHz

Digital Input Level:

COAXIAL ( 75 ohms): 0.5 Vp-p

Video Section

Output Level:

1 Vp-p (75 ohms)

Jacks:

RCA Jack

GENERAL

Power Requirements:

AC 230V ,50 Hz

Dimension (W x H x D ):

Weight:

Standard Accessories:

AM Loop Antenna x 1

FM Matching Transformer x 1

440 x 141 x 330 mm

9.9 kg

Instruction Booklet x 1

FM (T) Type Antenna x 1

Power Consumption:

200 W (STANDBY: 3 W or less)

AC Outlets(expect Australia model, total 100 W max):

Remote Control Unit (RC-1040 or RC-1042) x1

* LINE means CD, TAPE,VIDEO

Switched x 1

BATTERY (AAA, R03, UM-4) x 2

Design and specifications are subject to change without notice.

Illustrations may differ slightly from production model.

Weight and dimensions are approximate.

42 dB

500 uV/m

1.5 % at 100 dB/m

40 dB at 100 dB/m

AG-D8800

3

2 ADJUSTMENTS AND CHECKS

Use a screwdriver with a plastic or ceramic grip for all adjustment.

2-1 TUNER SECTION

2-2 Adjustment and Test Points

1. Output of signal generation should not be greater than necessary to obtain an optimum output reading.

2-1-2 FM adjustment

3. Signal frequency: 1kHz / Deviation: 75 kHz

4. Modulation frequency : 90 MHz, 98 MHz, 106 MHz

5. Switch: press the BAND Buton to FM

2. Signal generation modulation: MAIN: 90%, PILOT: 10%

1. Output of signal generator should not be greater than necessary to obtain an optimum output reading.

3. Signal frequency: 400Hz

4. Modulator frequency: 603, 999, 1404kHz

2-1-1 AM adjustment

2. Signal generator modulation: 30%

5. Switch: press the BAND Button to AM

Fig. 2-2-1

SVR03

SVR01

SVR02

IF BLOCK

A

M

/

F

M

A

N

T

RF BLOCK

FD1

F

M

T

U

N

E

R

1

13

FD2

TUNER PCB

4

AG-D8800

2-2-2 AM Tuner

STEP

Equipment

Signal generator

Set frequency

AM

2. RF Tracking

3. IF Tracking

Tuned on point

603kHz

1. Tuning voltage

DC voltmeter

4. Seek level

setting

connection

Adjust point

Adjust for

522kHz

OSC coil

520kHz: 1.1~1.3V

1710kHz: 7.2~8.5V

AC voltmeter

ANT coil

RF BLOCK

Maximize audio

output repeat LOW,

HIGH frequency

oscilloscope

tape monitor L/R

IF BLOCK

Coil KSNT-1041

AC voltmeter

oscilloscope

tape monitor L/R

output

AC voltmeter

oscilloscope

tape monitor L/R

SVR 03

2-2-3 FM Tuner

STEP

Equipment

Signal generator

Set frequency

FM

2. FM DET.0V

3. Seek stop level

Push the signal

1. Tuning voltage

DC voltmeter

4. STEREO

setting

connection

Adjust point

Adjust for

87.5 MHz

FD1, FD2, R17

87.5MHz: 1.35~1.65V

108MHz: 6.5~8.5V

AC voltmeter

Maximize 0V and

oscilloscope

tape monitor L/R

SVR01

AC voltmeter

oscilloscope

tape monitor L/R

Scan stop point to

AC voltmeter and

scope to tape

monitor of L/R

MIX coil CO4

108 MHz

87.5 MHz

108 MHz

(DC 1.2 +/- 0.1V)

18 dBu (TUNED)

FL display

distortion

or L-CH button

SVR02

Separation

and

Distortion Adj

DC voltmeter

indicator lights on

generator R-CH

channel

98.1 MHz

522kHz

603kHz

Maximize audio

(DC1.2V +/- 0.1V)

98.1 MHz

RF BLOCK

2

S

7

S

2

S

2

S

2

S

2

S

2

S

9

1-

2

S

4-

2

S

7

S

2

S

2

S

5

1-

5

S

2

-

6

S

2-

1

S

2

-

6

S

0

1-

2

S

4-

4

S

2

S

7-

3

S

2

S

1

S

1

S

1

S

1

S

1

S

2

S

2

S

1

S

1

S

1

S

1

S

N

A

R

T

1

10

4

(x2)

11

5

9

17

19

42

21

20

23

22

40

39

41

2

3

13

12

16

6

8

7

18

25

29

32

30

31

33

37

36

35

15

14

24

38

26

34

27

28

5

AG-D8800

3. EXPLODED VIEWS AND PARTS LIST