For U.S.A., Canada, Europe,
Asia, China, Hong Kong,
Korea & Taiwan R.O.C. model
2
4
9
Hi-Fi Component
8
2
9
9
MODEL
TEL 13942296513 QQ 376315150 892498299
MODEL
AV SURROUND RECEIVER / AMPLIFIER
TEL
13942296513
AVR-4802
AVC-A11SR
7
3
Q
Q
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
TEL 13942296513 QQ 376315150 892498299
9
w
w
For AVR-4802For AVC-A11SR
Some illustrations using in this service manual are slightly different from the actual set.
w
.
xia
o
y
u
1
6
3
.
c
o
14-14, AKASAKA 4-CHOME, MINATO-KU, TOKYO 107-8011 JAPAN
Telephone: 03 (3584) 8111
m
X0120 1174 NC 0108
SAFETY PRECAUTIONS
The following check should be performed for the continued protection of the customer and service technician.
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL
3
LEAKAGE CURRENT CHECK
Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis
resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the
power cord is less than 460 kohms, the unit is defective.
SPECIFICATIONS
Audio Section
Power amplifier:
Rated output:Stereo (2 ch driven)
(All properties shown are only for the 125 W + 125 W (8 Ω/ohms, 20 Hz ~ 20 kHz with 0.05 % T.H.D.)
power amplifer stage.) 150 W + 150 W (6 Ω/ohms, 20 Hz ~ 20 kHz with 0.05 % T.H.D.)
Dynamic power:170 W × 2 ch (8 Ω/ohms)
Output terminals:Front/Center:6 ~ 16 Ω/ohms
Analog:
Input sensitivity/input impedance:200 mV/47 kΩ/kohms
Frequency response:10 Hz ~ 100 kHz: +0, −3 dB (DIRECT mode)
S/N:105 dB (DIRECT mode)
Distortion:0.005 % (20 Hz ~ 20 kHz) (DIRECT mode)
Rated output/maximum output:1.2 V/8 V
Digital:
D/A output:Rated output 2 V (at 0 dB playback)
Digital input:Format Digital audio interface
Phono equalizer (PHONO input
Input sensitivity:2.5 mV
RIAA deviation:±1 dB (20 Hz to 20 kHz)
Signal-to-noise ratio:74 dB (A weighting, with 5 mV input)
Rated output/Maximum output:150 mV/8V
Distortion factor:0.03 % (1 kHz, 3 V)
13942296513
Video Section
Standard video jacks
Input/output level and impedance:1 Vp-p, 75 Ω/ohms
Frequency response:5 Hz ~ 10 MHz +0, −3 dB
S-video jacks
Input/output level and impedance:Y (brightness) signal 1 Vp-p, 75 Ω/ohms
Frequency response:5 Hz ~ 10 MHz +0, −3 dB
Color component video terminal:
Input/output level and impedance:Y (brightness) signal 1 Vp-p, 75 Ω/ohms
Total harmonic distortion 0.005 % (1 kHz, at 0 dB)
S/N ratio 110 dB
Dynamic range 108 dB
Q
Q
C (color) signal 0.286 Vp-p, 75 Ω/ohms
P
B/CB (blue) signal 0.7 Vp-p, 75 Ω/ohms
P
R/CR (red) signal 0.7 Vp-p, 75 Ω/ohms
[FM] (note: µV at 75 Ω/ohms, 0 dBf = 1 × 10
STEREO 23 µV (38.5 dBf)
STEREO 72 dB
STEREO 0.3 %
AC 230 V, 50 Hz (Europe & Asia model)
AC 220 V, 50 Hz (China model)
A + B8 ~ 16 Ω/ohms
7
3
6
8
3
9
1
5
4
2
0
5
1
-15
W)[AM]
AVR-4802/AVC-A11SR
9
8
9
8
2
4
2
9
8
2
9
9
9
9
TEL 13942296513 QQ 376315150 892498299
Maximum external dimensions:434 (W) × 179 (H) × 485 (D) mm (17-3/32″ × 7-3/64″ × 19-3/32″)
Mass:20.5 kg (45 lbs 3.1 oz)
Remote Control Unit (RC-8000): AVR Model only
Batteries:LR6/AA Type (four batteries)
External dimensions:96 (W) × 38 (H) × 168.5 (D) mm (3-25/32″ × 1-1/2″ × 6-41/64″)
Mass:242 g (Approx. 8.5 oz) (not including batteries)
Remote Control Unit (RC-899): AVC Model only
w
Batteries:R6P/AA Type (three batteries)
w
w
External dimensions:61 (W) × 230 (H) × 34 (D) mm (2-13/32″ × 9-1/16″ × 1-11/32″)
Mass:150 g (Approx. 5.3 oz) (not including batteries)
* For purposes of improvement, specifications and design are subject to change without notice.
.
xia
o
y
u
1
6
3
.
c
o
m
2
Q
CAUTION IN SERVICING
When you have replaced the 1U-3291 Unit, or changed the CPU, DSP, or their peripheral parts, be sure to perform “RESET”
by pressing S803 on the DSP Unit Ass’y in the state of Standby or Power-on.
Q
WIRE ARRANGEMENT
If wire bundles are untied or moved to perform adjustment or parts replacement etc.,be sure to rearrange them neatly as they
were originally bundled or placed afterward.
Otherwise, incorrect arrangement can be a cause of noise generation.
Wire arrangement viewed from the top
3
7
6
3
1
5
1
5
0
8
9
2
AVR-4802/AVC-A11SR
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Front Panel side
7
3
Q
Q
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
TEL 13942296513 QQ 376315150 892498299
9
w
w
w
.
xia
o
y
u
1
6
Back Panel side
3
.
c
o
m
3
AVR-4802/AVC-A11SR
Q
TEL 13942296513 QQ 376315150 892498299
Wire arrangement viewed from the bottom
Q
3
7
6
3
1
5
1
5
0
Front Panel side
8
9
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
7
3
Q
Q
Back Panel side
6
3
1
5
1
5
0
8
9
2
4
9
8
2
9
9
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
4
Q
DISASSEMBLY
(Follow the procedure below in reverse order when reassembling)
7
Q
3
Top Cover
(1) Remove 9 screws 1 on both sides and on the top.
(2) Remove 4 screws
Cover by sliding to the arrow direction.
6
1
5
1
3
on the rear and detach the Top
2
5
0
1
1
8
9
2
Top Cover
AVR-4802/AVC-A11SR
4
9
8
2
2
9
9
TEL 13942296513 QQ 376315150 892498299
Front Panel
TEL
13942296513
(1) Remove 11 screws 3 and detach the Bottom Cover.
(2) Remove the screw
(3) Disconnect FFC wire from its connector, and detach
the Front Panel in the arrow direction.
3
, 7 screws 5.
4
Q
Q
3
7
6
5
3
1
5
4
1
5
0
8
5
9
2
4
9
1
8
2
9
TEL 13942296513 QQ 376315150 892498299
2
1
9
w
w
w
.
xia
Front Panel
FFC Wire
o
y
u
1
6
3
.
5
c
o
m
5
AVR-4802/AVC-A11SR
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
P.W.B.s on Front Panel
(1) FLD P.W.B.
Remove 6 screws
(2) Tact SW P.W.B.
Remove 10 screws
and nut.
(3) Master VR P.W.B.
Remove the screw 8 after taking off the master volume
knob and nut.
(5) Within 2 minutes after the power on, turn VR101 clockwise (
(6) After 10 minutes from the preset above, turn VR101 to set the voltage to 2 mV ±0.5 mV DC.
(7) Adjust the Variable Resistors of other channels in the same way.
TEL
13942296513
1U-3356-1
TP101
VR101
TP301
Q
Q
3
min.)
) to adjust the TEST POINT voltage to 2 mV ±0.5 mV DC.
* For latch-up countermeasure, set digital (DVDD) and analog (AVDD) power on/off in the same timing.
Pin Name
13942296513
w
6
.
xia
3
I/O
1
5
o
1
y
5
u
0
Q
Q
1
3
6
7
3
8
Function
3
6
.
9
1
1
5
c
2
5
o
4
0
m
9
8
9
8
2
4
2
9
8
9
2
9
9
TEL 13942296513 QQ 376315150 892498299
9
17
1
2
3
4
5
6
7
8
16
15
14
13
9
10
11
12
20
19
18
17
V
DD1
VERT*
HOR*
OSCIN
OSCOUT
P3
P2
P1
P0
Vss
OSC1
OSC2
CS
SCK
SIN
AC
V
DD2
CVIDEO
LECHA
CVIN
3
4
5
20
6
11
7
1
2
1918
17
16
8
9
10
12
13
14
15
CS
SCK
SIN
V
DD1
AC
V
SS
V
DD2
OSCI
OSC2
VERT*
HOR*
INPUT
CONTROL
CIRCUIT
DATA
CONTROL
CIRCUIT
ADDRESS
CONTROL
CIRCUIT
INDICATION
OSCILLATOR
TIMING
GENERATOR
INDICATION
CONTROL
REGISTER
INDICATION RAM
INDICATION CHARACTER ROM
BLINKING CIRCUIT
SYNC SIGNAL
SWITCHING CIRCUIT
H COUNTER
INDICATION LOCATION
DETECTION CIRCUIT
READ OUT ADDRESS
CONTROL CIRCUIT
INDICATION
CONTROL CIRCUIT
SHIFT REGISTER
SYNC SIGNAL DIS-
CRIMINATING CIRCUIT
OSC CIRCUIT
FOR SYNC SIGNAL
GENERATION
TIMING
GENERATOR
NTSC
VIDEO OUTPUT
CIRCUIT
OSCIN
OSCOUT
CVIDEO
LECHA
CVIN
P0
P1
P2
P3
M35015-210SP (IC416)
AVR-4802/AVC-A11SR
Q
Q
3
7
6
3
1
5
1
5
0
TEL 13942296513 QQ 376315150 892498299
M35015-210SP Terminal Function
Pin No.SymbolNameI/OFunction
1OSC1Osc. circuit ext.IExternal terminal for indication oscillator circuit. Standard OSC. freq. is approx. 7MHz.
2OSC2terminal.OWith this OSC. freq., decides horizontal indicatin and character width.
Chip select terminal and turns to “L” when transfer serial data.
Hysteresis input. Pull up resistor is built-in.
Takes in serial data of SIN at SCK rise when CS terminal is in “L”.
Hysteresis input. Pull up rersist is built-in.
Serial input of register for indication control and data, and address for indication data
memory. Hysteresis input. Pull up rersistor is built-in.
Resets internal circuit of IC at “L” mode.
Hysteresi input. Pull up resistor is built-in.
Power supply terminal of analog system. Connect to +5V.
Output terminal of combined video signal. Outputs 2Vp-p combined signal. Character
O
output, etc. Overlap CVIN signal and outputs at superimpose.
Input terminal deciding character output level in combined video signal. color of character
I
is white.
Input terminal of external combined video signal.
I
Character output etc. overlap this external combined video signal.
Ground terminal. Connect to GND.
General output or character background signal BL NK1* output is switchable.
Polarity can be selected at ROM mask.
General output or character background signal CO1* output is switchable.
Polarity can be selected at ROM mask.
General output or character background signal BLNK2* output is switchable.
Polarity can be selected at ROM mask.
General output or character background signal CO2* output is switchable.
Polarity can be selected at ROM mask.
Inputs horizontal sync signal.
I
Hysteresis input.
IInput vertical sync signal. Hysteresis input. Polarity can be selected at ROM mask.
o
y
u
Power supply terminal of digital system. Connect to +5V.
Q
Q
1
6
TEL
w
3CSChip select inputI
13942296513
4SCKSerial clock inputI
5SINSerial data inputI
6ACAuto-clear inputI
DD2
7V
8CVIDEO
9LECHA
10CVIN
11VssGround
12P0Output port p0O
13P1Output port P1O
14P2Output port P2O
15P3Output port P3O
16OSCOUTOTerminal for external use of sync signal OSC. circuit. Use the freq.: 14.32MHz at NTSC
17OSCINIsystem, 17.73MHz at PAL. system, 14.30MHz at MPAL system.
18HOR*
19VERT*
w
w
DD1
20V
Power supply
Combined
video output
Character level
input
Combined video
input
Ext. terminal
for sync sig.
OSC. Circuit
Horizontal sync
signal
Vertical sync
.
signal
Power supply
xia
6
7
3
3
8
3
.
9
1
2
5
1
5
c
o
4
0
m
9
8
9
2
8
4
2
9
8
9
2
9
9
TEL 13942296513 QQ 376315150 892498299
9
18
LC75721E (IC102)
AVR-4802/AVC-A11SR
7
Q
Q
TEL 13942296513 QQ 376315150 892498299
3
49
DI
CL
CE
RES
DD
V
OSCI
OSCO
Vss
TEST
FL
V
G1
G2
G3
G4
G5
G6
64
AD1854 (IC301, 303, 305, 307)
6
G7 G8G9
G10
G11
4833
AM 1
AM 2
AM 3
AM 4
AM 5
3
AA8/G12
AA7/G13
AM 6
AM 7
AA6/G14
AM 8
AA5/G15
AM 9
1
AA4/G16
AA3
AM 10
AM 11
AA2
AM 12
AA1
AM 13
5
AM35
AM34
AM 14
AM 15
AM33
161
AM 16
1
32
17
AM 17
AM 18
AM 19
AM 20
AM 21
AM 22
AM 23
AM 24
AM 25
AM 26
AM 27
AM 28
AM 29
AM 30
AM 31
AM 32
7X2MCLKISelects internal clock doubler (LO) or internal clock=MCLK (HI)
8ZERORO Right Channel Zero Flag Output
9DEEMPIDe-Emphasis
10 96/48ISelects 48kHz (LO) or 96kHz Sample Frequency Control
12 OUTR+O Right Channel Positive line level analog output
13 OUTR-ORight Channel Negative line level analog output
14 FILTRO Voltage Reference Filter Capacitor Connection
16 OUTL-O Left Channel Negative line level analog output
17 OUTL+O Left Channel Positive line level analog output
18 AVDDIAnalog Power supply
19 FILTBO Filter Capacitor connection
20 IDPM1IInput serial data port mode control one
21 IDPM0IInput serial data port mode control zero
22 ZEROLO Left Channel Zero Flag output
23 MUTEIMute. Assert HI to mute both stereo analog output
24 PD/RSTIPower-Down/Reset
25 L/R CLKILeft/Right clock input for input data
26 BCLKIBit clock input for input data
27 SDATAISerial input
28 DVDDIDigital Power Supply
u
1
I/O
6
3
6
7
3
3
.
1
5
c
1
0
5
o
m
8
9
2
4
9
8
2
9
9
19
A
AVR-4802/AVC-A11SR
NJM2229S (IC417)
1
5
0
1
6
16
14
13
TC9274N-011 (IC114, 115)
Q
BU2090F (IC103)
Q
1Vss
2DATA
3CLOCK
4LCK
5Q0
6Q1
7Q2
8Q3
9Q4
7
3
12-bit SHIFT RESISTER
12-bit STRAGE RESISTER
OUTPUT BUFFER (OPEN DRAIN)
CONTROL CIRCUIT
C9274N-017 (IC113)
6
3
DD
18
V
1
17
OE
16
Q11
15
Q10
14
Q9
13
Q8
12
Q7
11
Q6
10
Q5
5
TEL 13942296513 QQ 376315150 892498299
21
23
22
21
20
Q
Q
DD
V
16
1
STB
DATA
CK
GND
27
26
25
24
23
22
21
20
19
18
17
16
15
42
NC
R-OUT
NC
R-IN
R-LD1
R-LD2
R-A-GND
NC
CS2
NC
NC
STB
DATA
GND
7
13 bit latch circuit
6
13 bit latch circuit
V
3
Enable
GND
Level shift
1
DD
V
7
8
3
Code
detect
circuit
42
TC9459N (IC119, 302, 304, 306, 308)
TEL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
S1S2S3S4S5S6S7S8S9
1
41
V
DD
42
V
SS
1
234
S1S2S3S4S5S6S7S8S9
35
36
383940
37
18 bit Latch Circuit (Rch)
(Lch) Same as Rch
89
56
7
34
33
10 11
13942296513
NC
L-O U T
L-LD1
L-LD2
L-A-GN D
L-IN
CS1
GND
2
3
Ω
/
50k
TEP
91S
NC
4
VR
5
6
7
8
9
NC
10
11
12
NC
13
14
CK
28
27
26
25
24
23
22
21
20
19
18
17
16
15
C9184AP (IC401, 403)
16
DD
V
15
BASS+
14
BASS
13
COM
12
TREBLE
11
TREBLE+
10
STB
9
DATA
xia
TREBLE−
TREBLE+
w
w
Vss
BASS+
BASS−
COM
GND
CK
1
2
3
4
5
6
7
8
w
.
S10
S11
S12
29
32
3031
12 13 14
S10
S11
S12
SS
V
1
L-ch7 to 91decoder
L-ch latch circuit
Shift register (24Bit)
Level shift circuit
BASS+
−
BASS
−
TREBLE
o
TREBLE+
S13
S13
COM
S14
28
15
S14
−
−
S15
S16
S17
26
24
25
27
16
17 18 19
S15
S16
S17
DD
V
28
Same
R-ch7 to 91decoder
R-ch latch circuit
2
Ladder resister
3
4
5
y
6
Ladder resister
S18
S18
as L-ch
Vss
1
u
L e v e l S h ift + S h ift R e g is te r C irc u it
Analog switch
Analog switch
15
7
8
Sync Sepa
Sync Det
8
S1S2S3S4S5S6S7S8S9
41
42
SS
1
234
S1S2S3S4S5S6S7S8S9
9
1211
383940
56
21
37
2
4
36
Phase
Det
35
34
18 bit Latch Circuit (Rch)
(Lch) Same as Rch
89
7
PQ15RW11 (IC202)
0
5
1
5
1
3
6
1
Vin
4
3
2
1
MC74HC4053N (IC415)
Analog switch
c
Analog switch
16
15
14
13
12
11
10
9
Ladder resister
o
Ladder resister
Vcc
Y
X1
X
X0
C
A
B
V
CK
Y1
Y0
Z1
Z
Z0
EE
9
20 bit Shift register circuit
DATA
1
2
3
4
5
6
7
8
STB
10
.
4
32
33
10 11
9
S10
S11
12 13 14
S10
S11
8
Vsync Sepa
32fH
VCO
23
S12
S13
29
3031
S12
S13
2
9
S p e c if ic IC
3
GND
9
8
1
28
15
S14
S14
4
S15
27
16
S15
2
S16
26
25
17 18 19
S16
8
9
10
1/32
S17
S17
24
2
4
9
S18
S18
2
Vo
Vadj
Truth Table
Control Inputs
Select
Enable C B A
L L L L Z0 Y0 X0
L L L H Z0 Y0 X1
L L H L Z0 Y1 X0
L L H H Z0 Y1 X1
L H L L Z1 Y0 X0
L H L H Z1 Y0 X1
L H H L Z1 Y1 X0
L H H H Z1 Y1 X1
H X X X None
BASS+
15
14
−
BASS
COM
13
−
12
TREBLE
O N S w i t c h e s
X = D o n 't C a re
m
11
TREBLE+
L e v e l S h ift + S h ift R e g is te r C irc u it
1 AINRIRch analog input pin
2 AINLILch analog input pin
3 VREFO Ref. V out pin
4 VCOMO Common V out pin
5 AGND Analog GND pin
6VA Analog power pin, +2.7~+5.5
7VD Digital power pin, +2.7~+5.5V
8 DGND Digital GND pin
9 SDTOO Serial data out pin, 2’s complement, MSB first out, at power down: L
10 LRCKIL/Rch clock pin
11 MCLKIMaster clock input pin
12 SCLKISerial data clock input pin, A/D data out at SCLK falling edge
13 PDNIPower down pin, L: Power down mode
14 DIFISerial interface format pin (L: Firward, H: I2S)
15 TTLIDigital input level select pin, L: CMOS level, H: TTL level
16 TSTITest pin (internal pull-down)