Teac AG-D8800 Service Manual

TEAC

AG-D8800

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

components - refer to the appropriate parts list and
ensure exact replacement.

[E]: EUROPE. [HKG]: HONG KONG
[SAF]: SOUTH AFRICA [AUS]: AUSTRALIA

AM/FM STEREO RECEIVER

1 SPECIFICATIONS

2 ADJUSTMENT AND CHECKS

3 EXPLODED VIEW AND PARTS LIST

4 PC BOARDS AND PARTS LISTS

5 WIRING DIAGRAM

6 INCLUDED ACCESSORIES

2
3
5

8
17
19

AG-D8800

AMPLIFIER Section

1 SPECIFICATIONS

Output Power:
Surround Output Power

Total Harmonic Distortion:
Audio Input Sensitivity/Impedance:
Output Level / Impedance (TAPE REC):
Frequency Response:
Signal -to-Noise Ratio
Tone Control:

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

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

BASS: +/- 10 dB at 100 Hz,

Digital Audio Section

Sampling Frequency:
Digital Input Level:

Video Section

Output Level:
Jacks:

FM Tuner Section

Tuning Range:
Total Harmonic Distortion (1 kHz):
Frequency Response:
Stereo Separation (1 kHz):
Signal-to- Noise Ratio:

(Without notes 100.1 MHz, 65 dBf)

120 W + 120 W ( 6 ohms, JEITA)

150 W per channel (6 ohms, JEITA)

0.09% (at 100 W, 1kHz, 6 ohms)
*LINE: 200 mV/47 k ohms

200 mV/22 k ohms

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

*LINE: 92 dB (IHF-A)

TREBLE: +/- 10 dB at 10 kHz

32 kHz, 44.1 kHz, 48 kHz, 96 kHz

COAXIAL ( 75 ohms): 0.5 Vp-p

1 Vp-p (75 ohms)

RCA Jack

87.5 MHz - 108.0 MHz (50 kHz steps)
Mono: 0.5% , Stereo: 0.8%

30 Hz - 15 kHz, +/- 3dB

42 dB

Mono: 70 dB / Stereo: 65 dB

AM Tuner Section

Tuning Range:
Usable Sensitivity :
Total Harmonic Distortion :
Signal -to-Noise Ratio :

GENERAL

Power Requirements:
Power Consumption:
AC Outlets(expect Australia model, total 100 W max):
Dimension (W x H x D ):

W eight:

Standard Accessories:

AM Loop Antenna x 1
FM (T) Type Antenna x 1
FM Matching Transformer x 1
Remote Control Unit (RC-1040 or RC-1042) x1
BATTERY (AAA, R03, UM-4) x 2
Instruction Booklet x 1

* LINE means CD, TAPE,VIDEO

Design and specifications are subject to change without notice.
Weight and dimensions are approximate.
Illustrations may differ slightly from production model.

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

500 uV/m

1.5 % at 100 dB/m

40 dB at 100 dB/m

AC 230V ,50 Hz

200 W (STANDBY: 3 W or less)

Switched x 1

440 x 141 x 330 mm

9.9 kg

AG-D8800

2 ADJUSTMENTS AND CHECKS

2-1 TUNER SECTION

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

2-1-1 AM adjustment

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

2. Signal generator modulation: 30%

3. Signal frequency: 400Hz

4. Modulator frequency: 603, 999, 1404kHz

5. Switch: press the BAND Button to AM

2-1-2 FM adjustment

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

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

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

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

5. Switch: press the BAND Buton to FM

2-2 Adjustment and Test Points

TUNER PCB

FD1

FD2

SVR03

IF BLOCK

SVR01

SVR02

1 13

Fig. 2-2-1

RF BLOCK

AM / FM ANT

FM TUNER

3

AG-D8800

2-2-2 AM T uner

STEP

AM

1. Tuning voltage

2. RF Tracking

3. IF Tracking

4. Seek level

Signal generator

Set frequency

Equipment

setting setting connection

522kHz

603kHz

603kHz

603kHz

522kHz

603kHz

603kHz

603kHz

DC voltmeter

AC voltmeter

oscilloscope
tape monitor L/R

AC voltmeter

oscilloscope

tape monitor L/R

AC voltmeter

oscilloscope
tape monitor L/R

Adjust point Adjust for

RF BLOCK

OSC coil

RF BLOCK
ANT coil

IF BLOCK
Coil KSNT-1041

SVR 03

520kHz: 1.1~1.3V
1710kHz: 7.2~8.5V
(DC1.2V +/- 0.1V)

Maximize audio
output repeat LOW,
HIGH frequency

Maximize audio

output

Tuned on point

2-2-3 FM Tuner

STEP

FM

1. Tuning voltage

2. FM DET.0V

and

Distortion Adj

3. Seek stop level

4. STEREO

Separation

Signal generator

Set frequency

Equipment

setting setting connection

87.5 MHz
108 MHz

98.1 MHz

98.1 MHz

98.1 MHz

87.5 MHz
108 MHz

98.1 MHz

98.1 MHz

98.1 MHz

DC voltmeter

AC voltmeter

oscilloscope

DC voltmeter

tape monitor L/R

AC voltmeter

oscilloscope
tape monitor L/R

AC voltmeter and

scope to tape
monitor of L/R

channel

Adjust point Adjust for

87.5MHz: 1.35~1.65V

108MHz: 6.5~8.5V

(DC 1.2 +/- 0.1V)

FD1, FD2, R17

SVR01

MIX coil CO4
SVR02

Maximize 0V and

distortion

Scan stop point to

18 dBu (TUNED)

indicator lights on
FL display

Push the signal
generator R-CH
or L-CH button

4

AG-D8800

3. EXPLODED VIEWS AND PARTS LIST

2S

2-1S

22

2-6S

21

2-6S

42

18

17

10

4

1

2S

2S

7S

5

8

(x2)

11

9

2S

12

2

S

13

91-2S

8

19

51-5S

2S

2S

14

6

15

16

7

01-2S

20

19

24

SNART

4-4S

23

4-2S

7S

2S

19

19

18

39

7-3S

1S

40

1S

41

1S

1S

1S

1S

1S

1S

1S

23

23

23

23

2S

23

2S

37

36

29

30

31

32

33

2S

2S

27

28

26

38

35

34

3

2

25

5

AG-D8800

EXPLODED VIEW-1

REF. NO

1-1
1-2
1-3

1-4

PARTS NO.

5077212093010S
5087211131100S
3067212081100S
3067212081120S
5097212681100S

DESCRIPTION

WINDOW
KNOB VOLUME
FRONT PANEL [E]
FRONT PANEL [AUS,SAF,HKG]
BUTTON POWER

REMARKS

1-5
1-6
1-7
1-8
1-9

1-10
1-11
1-12
1-13
1-14

1-15

1-16
1-17
1-18

1-19
1-20
1-21
1-22
1-23

1-24
1-25
1-26

1-27

5097212651100S
5097212661100S
5097212671100S
5160040643010
7028063623020

7028063624010
7028063622010
432004078101A
K530121300010
G121123070010

7028063621020
7028063621040
G606040320020
2120210538000
4330000310000

4010056906010
4007040241040S
3007041236094S
3200200026010S
4300040561010S

8200960560090S
E900901410021
7028060191021
7028060191041
2120043538030

BUTTON 3-KEY
BUTTON 4-KEY
BUTTON 6-KEY
INDICATOR
HEADPHONE PCB SUB ASSY

POWER SW PCB SUB ASSY

SW PCB SUB ASSY
HOLDER FL
DISPLAY - VDF 29-1213N

SW ENCODER

FRONT PCB SUB ASSY [E]
FRONT PCB SUB ASSY

TER, RCA 3PIN
HEAT SINK POWER

CLAMP

BRACKET
FOOT (H/S, GOLD)

CABINET TOP

CHASSIS MAIN

SPACER

TRANSFORMER 230V/50HZ

TUNER, FM
MAIN PCB SUB ASSY [E]

MAIN PCB SUB ASSY
HEAT SINK

[AUS, SAF, HKG]

[AUS,SAF,HKG]

1-28
1-29
1-30
1-31
1-32

1-33
1-34
1-35
1-36
1-37

1-38

1-39
1-40
1-41

2120044298010
G611201A0700Y
G614801A1000Y
G602040045030
G603060046020

G607908A0400Y
7028062181050
3070045526010
E100116500040S
G601020009100

3207211616100S
3207211616300S
70280600910V0
4380040162010S
L068040260010
L068040230060
L068040280010

HEAT SINK

TER, BOARD SCREW 2P

TER, BOARD SCREW 8P

TER, RCA 4P

TER, RCA 6P

TER, RCA 9P

DSP PCB SUB ASSY

SHIELD PLATE

MODULE

TER, RCA 2P

CHASSIS BACK [E,SAF,HKG]

CHASSIS BACK [AUS]
POWER PCB SUB ASSY

STOPPER

AC CORD ASSY [E, SAF]

AC CORD ASSY [AUS]

AC CORD ASSY [HKG]

6

EXPLODED VIEW-1

REF. NO

1-42

S1

S2
S3
S4

PARTS NO.

7028062221010
B020030103B11S
B020030081B10S
B02003017B10S
B028940081B10S

DESCRIPTION

AMP PCB SUB ASSY
SCREW 3x10mm - DOT/BK
SCREW 3x8mm - ZNY/BH
SCREW 3x17mm - ZNY/BH
SCREW 4x8mm - ZNY/BH

AG-D8800

REMARKS

S5
S6
S7

1507041146010
1500040084B10S
1500001456020

SCREW 3x16mm - ZNY/HH
SCREW 4 x 8mm - ZNY/BH
SCREW WASHER 3x8mm - ZNY/BH

7

AG-D8800

MAIN PCB SUB ASSY

REF. NO

C112,1 13
C118

PARTS NO.

7028060191021
7028060191041
7020060190003

!

D04022208521C

!

D040472084210

4 PC BOARDS AND PARTS LIST

DESCRIPTION

MAIN PCB SUB ASSY [E]
MAIN PCB SUB ASSY [AUS,SAF,HKG]
MAIN PCB
C.ELECT - 2200UF/35V
C.ELECT - 4700UF/25V

REMARKS

C124,125

CP101
CP102
CP103 L102526700400

CP104

CP105
CP401
CP402
CP403
CN404

CN405
CP404
D101-106,115,
D412,413
D107-112

D113,114
D403,404L,404R,
D405L,405R,406,
D407,408L,408R,
D409L,409R

D410L,410R,411
IC101
IC102
IC103
IC401

!

D040682088010
L102526701000
L102526700900

L104353280300

L102526700600
L101353361310
L101220050000
L1311 12500010
L1013533603101

L101100030610S
L101352370310
K000013300520

K000400700520

!

K047604000020
K005041480020

K000013300520
J126781500090
J126791500070
J126780500430
J080927300000

C.ELECT - 6800UF/6.3V
CN WAFER 2.5MM 10PIN
CN WAFER 2.5MM 9PIN
CN WAFER 2.5MM 4PIN
CN WAFER 3.96MM 10PIN

CN WAFER 2.5MM 6PIN
CN WAFER 2MM 13PIN
CN WAFER 2MM 5PIN
CN FPC 1.25MM 25PIN
CN WAFER 2MM 3PIN

CN WAFER 2MM 6PIN
CN WAFER 2MM 3PIN

DIODE - 1SS133T

DIODE - 1N4007

DIODE BRIDGR - KBPC604 6A
DIODE CHIP - 1N4148W

DIODE - 1SS133T
IC - CJ7815
IC - CJ7915F
IC - CJ7805
IC - TC9273N-007

IC402,407-409
IC403
IC404
IC406

JACK402,403

JACK404

JACK SPK
L901SL,901SR
RLY101

Q101

Q102

Q103,104
Q105
Q106
Q107-112

J121455800140
J040731200010
J171795200000
J084624460020
G603060046020

G602040045030
G607908A0400Y
D330900001330
G680240502020
J5023200B0050

J5001268B0050
J5001266Y0050
J6020107M0010
J5000992F0050
J5021740S0010

IC - BA4558F
IC - NJU7312AL
IC - LA7952
IC - M62446AFP

TER, RCA 6PIN

TER, RCA 4PIN

TER, RCA 9PIN
INDUCTOR - SP-2507
RELAY G5PA-28-5A

TR - KTC3200BL

TR - KTA1268BL

TR - KTA1266Y

TR - KRC107M

TR - KSA992F

TR - 2SC1740SR

8

MAIN PCB SUB ASSY

REF. NO

Q401,402

Q403-405,408,
Q411,414

Q406,409,412,415

Q407L,407R,410,
Q413L,413R

PARTS NO.

J5223880O0210
J522107S00210

J5200107S0050
J5220231M0010

DESCRIPTION

TR CHIP - KTC3880S

TR CHIP - KRC107S

TR CHIP - KRA107S

TR CHIP - KRC231S

AG-D8800

REMARKS

Q416

Q417L,417R,418

Q419
Q420
R145-148

R441
R902C,902FL,
R902FR,902SL,
R902SR

ZD101

ZD401

ZD402,403

J5222875B0010
J5441170Y0050
J5200107S0050
J522107S00210

!

C060R22065050

!

C060022165050

!

C060010065050

K06005R144520

K06012R044520
K06006R844520

TR CHIP - KTC2875B

FET - 2SK117Y

TR CHIP - KRA107S
TR CHIP - KRC107S

R.METAL FILM 0.22J 1W

R.METAL FILM 220J 1W
R.METAL FILM 10J 1W

ZENER DIODE - MTZJ5.1B 1/2W

ZENER DIODE - MTZJ12B 1/2W
ZENER DIODE - MTZJ6.8B 1/2W

9