TEAC AG-5D Service Manual

Cover page of TEAC AG-5D Service Manual

Service Manual for TEAC AG-5D, downloadable as a PDF file.

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A
AG
G--5
5D
D
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.
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
background image
A
AG
G--5
5D
D
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.
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
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1 SPECIFICATIONS
2
Amplifier Section
Output Power ........................................................100 W + 100 W
(Stereo, 0.2 % THD, 20 Hz to 20 kHz, 6 )
Surround Output Power ....................................125 W per channel
(0.7 % THD, 1 kHz, 6 , only one channel driven)
Total Harmonic Distortion ................0.09 % (at 95 W, 1 kHz, 6 )
Audio Input Sensitivity/Impedance ..............*LINE: 200 mV/47 k
Output Level/Impedance (TAPE REC) ..................200 mV / 2.2 k
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 ): 0.5 Vp-p
OPTICAL (660nm): ­15 dBm to ­21 dBm
Video Section
S-Video Output
Y (luminance) - Output level ..............................1 Vp-p (75 )
C (color) - Output level................................286 mVp-p (75 )
Jacks ..................................................................S-VIDEO jack
Video Output
Output level ........................................................1 Vp-p (75 )
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.
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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
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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
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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
100 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

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