TEAC AG-5-D Service manual

AAGG--55DD

SERVICE MANUAL

AV Digital Home Theater Receiver

Effective : April, 2004 S-0106A

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.

●

Parts of [ ] mark can be used only with the version designated.

[E]:EUROPE[UK]:U.K.

CONTENTS

1 SPECIFICATIONS ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・2
2 ADJUSTMENTS AND CHECKS

・・・・・・・・・・・・・・・・・・・・・・・・3

3 MICROCOMPUTER PIN FUNCTIONS

・・・・・・・・・・・・・・・・・5

4 EXPLODED VIEWS AND PARTS LIST

・・・・・・・・・・・・・・・・・8

5 PC BOARDS AND PARTS LIST

・・・・・・・・・・・・・・・・・・・・・・11

6 INCLUDED ACCESSORIES

・・・・・・・・・・・・・・・・・・・・・・・・・・・24

1 SPECIFICATIONS

−2−

Amplifier Section

Output Power ........................................................100 W + 100 W

(Stereo, 0.2 % THD, 20 Hz to 20 kHz, 6 Ω)

Surround Output Power ....................................125 W per channel

(0.7 % THD, 1 kHz, 6 Ω, only one channel driven)

Total Harmonic Distortion ................0.09 % (at 95 W, 1 kHz, 6 Ω)

Audio Input Sensitivity/Impedance ..............*LINE: 200 mV/47 kΩ

Output Level/Impedance (TAPE REC) ..................200 mV / 2.2 kΩ

Frequency Response ................*LINE: 20 Hz – 50 kHz, +0 / –3 dB

Signal-to-Noise Ratio ....................................*LINE: 90 dB (IHF-A)

Tone Control ............................................BASS: ± 10 dB at 100 Hz

TREBLE: ± 10 dB at 10 kHz

Digital Audio Section

Sampling Frequency ..................32 kHz, 44.1 kHz, 48 kHz, 96 kHz

Digital Input Level ................................COAXIAL (75 Ω): 0.5 Vp-p

OPTICAL (660nm): –15 dBm to –21 dBm

Video Section

S-Video Output

Y (luminance) - Output level ..............................1 Vp-p (75 Ω)

C (color) - Output level................................286 mVp-p (75 Ω)

Jacks ..................................................................S-VIDEO jack

Video Output

Output level ........................................................1 Vp-p (75 Ω)

Jacks ..........................................................................RCA jack

FM Tuner Section

(Without notes 100.1 MHz, 65 dBf)

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, ±3 dB

Stereo Separation (1 kHz)......................................................40 dB

Signal-to-Noise Ratio ..........................Mono: 70 dB, Stereo: 65 dB

AM Tuner Section

Tuning Range ............................522 kHz – 1,611 kHz, 9 kHz steps

Usable Sensitivity ............................................................500 µV/m

Total Harmonic Distortion ..................................1.5% at 100 dB/m

Signal-to-Noise Ratio ........................................40 dB at 100 dB/m

General

Power Requirements ............................................AC 230 V, 50 Hz

Power Consumption ................................200 W (STANDBY : 3 W)

AC Outlet (except U.K. model, total 100 W max.)........switched x 1

Dimensions (W x H x D) ................................435 x 143 x 372 mm

Weight (net) ........................................................................10.0 kg

Standard Accessories

Power Cord x 1
AM Loop Antenna x 1
FM T-type Antenna x 1
FM Matching Transformer x 1
Remote Control Unit (UR-422) x 1
Battery (AAA, R03, UM-4) x 2
Owner's Manual x 1

* LINE means CD, TAPE, VIDEO.

• Design and specifications are subject to change without notice.

• Weight and dimensions are approximate.

−3−

2-1 Equipment Requried

・AM Standard Signal Generator (AM SSG) ・Audio Generator
・FM Standard Signal Generator (FM SSG) ・Stereo Modulator
・Oscilloscope ・Distortion Meter
・AC Voltmeter ・DC Voltmeter

Note : Disconnect external FM antenna prior to adjustment.

2-2 Adjustment Locations

SVR02

SVR01

SVR03

FD1

IF COIL

OSC COIL ANT COIL

R17 (Pattern Side)

JW10

EC1

TUNER PCB

FD2

2 ADJUSTMENTS AND CHECKS

1. Tunning Voltage

522kHz
1611kHz

522kHz
1611kHz

JW10

DC Voltmeter

OSC COIL

522kHz : 1.2 ± 0.1V
1611kHz : 7.2

〜8.5V

ITEM

SIGNAL GENERATOR

SETTING

SET FREQUENCY

SETTING

EQUIPMENT

CONNECTION

ADJUSTMENT

POINTS

ADJUST FOR

2. IF Tracking 603kHz 603kHz

TAPE PLAY terminal

AC Voltmeter
Oscilloscope

IF COIL Maximize audio output

3. RF Tracking 603kHz 603kHz

TAPE PLAY terminal

AC Voltmeter
Oscilloscope

ANT COIL

Maximize audio output
Repeat LOW,HIGH
frequency

4. Seek Level 603kHz 603kHz

TAPE PLAY terminal

AC Voltmeter
Oscilloscope

SVR03 Tuned on point

2-3 AM Adjustment

・Output of signal generator should not be greater than necessary to obtain an optimum output reading.
・Signal generator modulation : 30%
・Signal frequency : 400Hz
・Modulation frequency : 603kHz, 999kHz, 1404kHz

−4−

ITEM

SIGNAL GENERATOR

SETTING

SET FREQUENCY

SETTING

EQUIPMENT

CONNECTION

ADJUSTMENT

POINTS

ADJUST FOR

2. FM DET and
Distortion

98.1MHz 98.1MHz

R17

DC Voltmeter

TAPE PLAY terminal

AC Voltmeter
Oscilloscope

FD1, FD2

0V and minimize
distortion

3. Stereo
Separation

98.1MHz 98.1MHz

TAPE PLAY terminal

AC Voltmeter
Oscilloscope

SVR02

Minimize stereo
distortion and maximize
separation

4. Seek Stop Level 98.1MHz 98.1MHz

TAPE PLAY terminal

AC Voltmeter
Oscilloscope

SVR01

Scan stop point to
18dBu
"TUNED" indicator lights
on FL display.

1. Tunning Voltage

87.5MHz
108MHz

87.5MHz
108MHz

EC1

DC Voltmeter

Check

87.5MHz : 1.35〜1.65V
108MHz : 6.5

〜8.5V

2-4 FM Adjustment

・Output of signal generator should not be greater than necessary to obtain an optimum output reading.
・Signal generator modulation : MAIN : 90%, PILOT : 10%
・Signal frequency : 1kHz, Deviation : 40kHz
・Modulation frequency : 90.1MHz, 98.1MHz, 106.1MHz

3 MICROCOMPUTER PIN FUNCTIONS

−5−

G11

G12

VDD

P.DOWN

VOL. UP

RDS CLK

VOL. DOWN

RMC

RDS DATA

NC

PLL_CE

PROTECTION

STEREO

IF COUNT

CLK 9273/7312

DATA 9273/7312

KEY IN3

KEY IN2

KEY IN1

FUNC_DN

FUNC_UP

DATA 62446/72131

CLK 62446/72131

LATCH 62446

CLK 4112/4527/4926

SDI 4112/4527/4926

CDI 4112/4926

VREF

SPK_RLY

TUNED

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

40

39

38

37

36

35

34

31

32

33

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

70

69

68

67

63

64

65

66

61

62

71

72

73

74

81

82

83

84

75

76

77

78

88

87

86

85

79

80

89

90

10 0

99

98

97

96

95

94

91

92

93

1

4926_CS

4112_CS

4926 INTERQ

4112/4527 P/N

STEP OPTION

CE 9273/7312

GND

RESET

EXTAL

XTAL

GND

NC

GND

+5V BACK UP

VFDP-30V

TUNER MUTE

FRONT_MUTE

R_MUTE

SW_MUTE

C_MUTE

S11

S10

S9

S8

S7

S6

S5

S4

S3

S2

S1
POWER_ON/

STBY_LED/RELAY
POWER_LED2

SPK LED

NC

NC

NC

NC

NC

NC

SUB W .SUM

HC125A0

ROM3

ROM30

ROM2

4926 RESET

NC

DSP_MUTE

VIDEO_S3

VIDEO_S2

G10

G9

G8

G7

G6

G5

G4

G3

G2

G1

NC

VDD

NC

NC

NC

S16

S15

S14

S13

S12

CXP82860

(Top View)

3-1 Pin Assignment

−6−

3-2 Pin Functions

Pin No. Symbol Description

1~2 G1/G2 GRID FL PORT

3 VDD PULL UP(N.C)
4 P.DOWN Input for power down.
5 VOL. UP Input for main volume up.
6 RDS CLK Clock signal output for BU1924.
7 VOL. DOWN Input for main volume down.
8 RMC Input for remocon data.

9 RDS DATA Input for RDS data of BU1924.
10 NC Not used!
11 PLL_CE Clock signal output for 72131.
12 PROTECTION Input for detecting "PROTECTION" condition.
13 STEREO Input for detecting "STEREO" condition.
14
15 CLK 9273/7312 Clock signal output for M61516.
16 DATA 9273/7312 Data signal output for M61516.
17 KEY IN3 Data input for key scan.
18 KEY IN2 Data input for key scan.
19 KEY IN1 Data input for key scan.
20 FUNC_DN Input for function encoder down
21 FUNC_UP Input for function encoder up
22 DATA 62446/72131 Data signal output for 72131.
23 CLK 62446/72131 Chip enable signal output to 72131.
24 LATCH 62446 Data signal input for CS49326.
25 CLK 4112/4527/4926 Clock signal output for AK4112/AK4529/CS49236.
26 SDI 4112/4527/4926 Data signal output for AK4112/AK4529/CS49326.
27 CDI 4112/4926 Data signal input for AK4112.
28 VREF Reference voltage. (Connected to +5V, Not VDD.)
29 SPK_RLY Output to "Speaker Relay is ON/OFF" (At "H", it is active.)
30 TUNED Input for detecting "TUNED" condition. (At "L", it is active.)
31 CS 4926 Chip select signal output to CS49326
32 SV-DET Input for detecting S-VIDEO input signal (At "H", it is active.)
33 INTERQ 4926 Interrupt signal output to CS49326
34 P/D4112,4529 Input for AK4112/AK4529power down.
35 STEP_OPT Input for selecting the frequency ranges steps of FM and AM.

36 CE 9273/7312 Chip enable signal output for TC9273/AL7312
37 GND GROUND
38 RESET Input for resetting the CPU. (At "L", it is active.)
39 EXTAL Input for 10MHz crystal oscillator.
40 XTAL Output for 10MHz crystal oscillator.
41 GND Ground.
42 NC Not used!
43 GND Ground.
44 +5V BACK UP +5V power supply.
45 VFDP -30V Supply

IF COUNT

Input for detecting TUNER FREQUENCY.

( 3.4V : RDS, 5V : without RDS Receiver)

−7−

Pin No. Symbol Description

46 T_MUTE Output for tuner mute. (At "L", it is active.)
47 SR_MUTE Output for surround channel mute. (At "L", it is active.)
48 SW_MUTE Output for sub woofer channel mute. (At "L", it is active.)
49 C_MUTE Output for center channel mute. (At "L", it is active.)
50 F_MUTE Output for front channel mute. (At "L", it is active.)
51 VIDEO_S3 Video select 1,2,3
52 VIDEO_S2 Video select 1,2,3
53 DSP_MUTE Output for DSP mute. (At "L", it is active.)
54 NC Not used!
55 CS4926RST Reset signal output to CS4926.
56 ROM2 Signal output to M27W201 .
57 ROM30 Signal output to M27W201 .
58 ROM3 Signal output to M27W201 .
59 AUTOBOOT Output for DSP AUTOBOOT
60 SUB SUM Output for sub woofer Summing. (At "L", it is active.)

61~66 N.C Not used!

67 SPK_LED

Output to drive speaker LED. (At "H", it is active.)
68 CS 4112 Chip select signal output to AK4112
69 STANDBY LED/RELAY Output to drive Power on,standby LED. (At "H", it is active.)

70~85 S1~S15 GRID FL PORT

86 N.C Not used!
87 N.C Not used!
88 N.C Not used!
89 VDD +5V power supply.
90 N.C Not used!

91~100 G1~G10 GRID FL PORT

−8−

18

14

21

23

46

43

20

6

7

22

31

32

33

29

30

39

27

26

35

34

38

24

37

42

24

24

15

25

4

1

1

44

9

3

11

12

5

13

8

19

28

40

41

45

10

17

16

47

48

2

36

49

4 EXPLODED VIEWS AND PARTS LIST

−9−

EXPLODED VIEW LIST

REF.NO. PARTSNO. DESCRIPTION REMARKS

1 9A09976400 KNOBASSY,VOLUME 5088210788000
2 9A09997000 WINDOW,DISPLAY 5077210973000
3 9A09980600 PANEL,FRONT 3067211198020
4 9A09976900 BADGE 5630210328000
5 9A09976800 INDICATOR 5160210093000

6 9A09975300 BODY 3417210091000
7 9A09976600 BUTTON,9KEY 5097211981010
8 9A09978300 ST/BYPCBASSY 7028062244010
9 9A09976500 BUTTON,POWER 5097211971000

10 9A09975700 BRACKET,POWER 4010210876000

11 9A09995800 POWERSWPCBASSY 7028062242010
12 9A09995900 HEADPHONEPCBASSY 7028062243010
13 9A09976700 INDICATOR,STAND‑BY 5160040643010
14 9A09995600 FUNCTIONPCBASSY 7028062232010
15 9A09998300 FRONTPCBASSY[E] 7025HK0213021
15 9A09998310 FRONTPCBASSY[UK] 7025HK0213031

16 9A09967400 DISPLAY,FLT K530123500010
17 9A09976000 HOLDER,FLT 4320210091010
18 9A10002800 HEATSINK,POWER 2120210168000
19 9A09994400 GIUDEAPCBASSY 70280601920E0
20 9A09994500 GUIDEBPCBASSY 70280601960E0

21 9A09975600 BRACKET,HEATSINK 4010056906010
22 9A09994600 AMPPCBASSY[E] 7025HK0213025
22 ‑‑‑‑‑‑‑‑‑‑ AMPPCBASSY[UK] 7025HK0213035
23 9A09980700 CHASSIS,MAIN 3200211166000
24 9A09975500 FOOT 4007040241040

25 9A09975800 SPACER,KNOB 4300040561010
26 9A09994700 MAINPCBASSY[E] 7025HK0213020
26 ‑‑‑‑‑‑‑‑‑‑ MAINPCBASSY[UK] 7025HK0213030
27 9A09994800 HEATSINK 2120044298010
28 9A09974300 HEATSINK 2120043538030

29 9A09994900 TERMINAL,RCA9PIN G607901220070
30 9A09960700 TERMINAL,RCA6PIN G603060046020
31 9A09960600 TERMINAL,RCA4PIN G602040045030
32 9A09961300 TERMINAL,BOARDSCREW8P G61408103600A
33 9A09995000 TERMINAL,BOARDSCREW2P G611021078110

34 9A09977300 DSPPCBASSY 7025HK0214022
35 9A09975900 SPACER,SUPPORTER 4300210023000
36 9A09975000 SHIELD‑PLATEGND 3070045526010
37 9A09958400 MODULE,OPTICALGP1FA502RZ E100150200020
38 9A09960400 TERMINAL,RCA2PIN G601200099040

39 9A09995100 TUNER,FM/AM E900901410021
40 9A09977400 S‑VIDEOPCBASSY 7025HK0214024
41 9A09959900 JACK,DINS‑VIDEO2P G403040020010
42 9A09995200 CHASSIS,BACK[E] 3207211176020
42 ‑‑‑‑‑‑‑‑‑‑ CHASSIS,BACK[UK] 3207211176030

43 9A09995300 POWERPCBASSY[E] 7028062245020
43 ‑‑‑‑‑‑‑‑‑‑ POWERPCBASSY[UK] 7028062245030
44 £ 9A09960100 SOCKET,ACOUTLET[E] G435040110000
45 £ 9A09960000 SOCKET,POWERAC G430040550010
46 9A09974800 CABINET,TOP 3007210356000

47 £ 9A09969200 CORD,AC[E] L061000000060
47 £ 9A09982100 CORD,AC[UK] L061000000080
48 9A09974700 BUSHING,TERMINAL 2410040353010
49 £ 9A09995400 POWERTRANSFORMER 8200960610010

−10−

EXPLODED VIEW LIST

REF.NO. PARTSNO. DESCRIPTION REMARKS

Q213C £ 9A10004400 TR,SAP16P J501151000010
Q213L £ 9A10004400 TR,SAP16P J501151000010
Q213R £ 9A10004400 TR,SAP16P J501151000010
Q213SL £ 9A10004400 TR,SAP16P J501151000010
Q213SR £ 9A10004400 TR,SAP16P J501151000010

Q214C £ 9A10004600 TR,SAP16N J503151000010
Q214L £ 9A10004600 TR,SAP16N J503151000010
Q214R £ 9A10004600 TR,SAP16N J503151000010
Q214SL £ 9A10004600 TR,SAP16N J503151000010
Q214SR £ 9A10004600 TR,SAP16N J503151000010

−11−

5 PC BOARDS AND PARTS LIST

MAIN PCB (SIDE A)

CINEMA EQ PCB (SIDE A)