A
AG
G--110
0D
D
SERVICE MANUAL
AV Digital Home Theater Receiver
Effective : April, 2004
S-0105A
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
36
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
Video Format (OSD)
U.S.A./Canada/Korea model ............................................NTSC
Europe/U.K. model ............................................................PAL
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
Component Video Output (Y, PB, PR)
Y-Output level..................................................1.0 Vp-p (75 )
PB, PR-Output level ..........................................0.7 Vp-p (75 )
Jacks ...................................................................... RCA jacks
FM Tuner Section
(Without notes 100.1 MHz, 65 dBf)
Tuning Range
U.S.A./Canada model......87.5 MHz 108.0 MHz, 100 kHz steps
Europe/U.K./Korea model....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)
U.S.A./Canada/Korea model ............................................32 dB
Europe/U.K. model ..........................................................40 dB
Signal-to-Noise Ratio ..........................Mono: 70 dB, Stereo: 65 dB
AM Tuner Section
Tuning Range
U.S.A./Canada model ........520 kHz 1,710 kHz, 10 kHz steps
Europe/U.K./Korea model ....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
U.S.A./Canada model ......................................AC 120 V, 60 Hz
Europe/U.K. model..........................................AC 230 V, 50 Hz
Korea model....................................................AC 220 V, 60 Hz
Power Consumption
U.S.A./Canada model ..........................2.5 A (STANDBY : 2 W)
Europe/U.K. model ............................250 W (STANDBY : 3 W)
Korea model ......................................250 W (STANDBY : 2 W)
AC Outlet (except U.K. model, total 100 W max.)
U.S.A./Canada model ............................................switched x 2
Europe/Korea model ............................................switched x 1
Dimensions (W x H x D) ................................435 x 143 x 372 mm
(17-1/8" x 5-5/8" x 14-5/8")
Weight (net) ..................................................10.4 kg (22-15/16 lb)
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 x 1
U.S.A./Canada/Korea model : UR-423
Europe/U.K. model : UR-424
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
2 ADJUSTMENTS AND CHECKS
1. Tunning Voltage
520kHz / 1710kHz
[US,C]
522kHz / 1611kHz
[E,UK,K]
520kHz / 1710kHz
[US,C]
522kHz / 1611kHz
[E,UK,K]
JW10
DC Voltmeter
OSC COIL
520kHz : 1.2
0.1V
1710kHz : 7.0 8.5V
1611kHz : 7.2 8.5V
ITEM
SIGNAL GENERATOR
SETTING
SET FREQUENCY
SETTING
EQUIPMENT
CONNECTION
ADJUSTMENT
POINTS
ADJUST FOR
2. IF Tracking
600kHz [US,C]
603kHz [E,UK,K]
600kHz [US,C]
603kHz [E,UK,K]
TAPE PLAY terminal
AC Voltmeter
Oscilloscope
IF COIL
Maximize audio output
3. RF Tracking
600kHz [US,C]
603kHz [E,UK,K]
600kHz [US,C]
603kHz [E,UK,K]
TAPE PLAY terminal
AC Voltmeter
Oscilloscope
ANT COIL
Maximize audio output
Repeat LOW,HIGH
frequency
4. Seek Level
600kHz [US,C]
603kHz [E,UK,K]
600kHz [US,C]
603kHz [E,UK,K]
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 : 600kHz, 1000kHz, 1400kHz [US,C] / 603kHz, 999kHz, 1404kHz [E,UK,K]
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
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
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 : 75kHz [US,C,K] / 40kHz [E,UK]
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
SPK LED
CLK_72131
PROTECTION
STEREO
IF COUNT
CLK 61516
DATA 61516
KEY IN3
KEY IN2
KEY IN1
FUNC-DN
FUNC_UP
DATA 72131
CE _72131
CDI 49326
CLK 4112/4529/49326
SDI 4112/4529/49326
CDI 4112
VREF
VSYNC
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
49326_CS
SV_DET
49326
INTERQ
4112/4529
P/N
STEP
OPTION
LATCH
61516
GND
RESET
EXTAL
XTAL
GND
NC
GND
+5V
BACK
UP
VFDP-30V
TUNER
MUTE
SR
MUTE
SW.MUTE
C
MUTE
F.MUTE
S11
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
STBY_LED/RELAY/
POWER LED
POWER LED2
CS _4112
OSD_DATA
OSD_CLK
OSD_CE
CONT_2506
SPK_RLY
SC MUTE
SUB W .SUM
ABOOT
ROM3
ROM30
ROM2
49326 RESET
DSP MUTE
C.EQ
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