ONKYO TXSR503 Service Manual

Cover page of ONKYO TXSR503 Service Manual

Service Manual for ONKYO TXSR503, downloadable as a PDF file.

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TX-SR503/503E/8350
SERVICE MANUAL
SERVICE MANUAL
TX-SR503 Black and Silver and Golden models
120V AC, 60Hz
230-240V AC, 50Hz
120V/220-230V AC, 50/60Hz
220-230V AC, 50/60Hz
B MDD, B MDC, S MDC
B MPA, S MPA
B MWT, S MWT, G MWT
G MGR, G MGQ, G MGK
TX-SR503E Black and Silver models
230-240V AC, 50Hz
B MPP, S MPP
TX-SR8350 Golden model
220-230V AC, 50/60Hz
G MGR
Ref. No. 3863
042005
MODEL
TX-SR503
MODEL
TX-SR503E
MODEL
TX-SR8350
AV RECEIVER
AUDIO
LR
TONE
+
STEREO
LISTENING MODE
DISPLAY DIGITAL INPUT
DIMMER
MEMORY TUNING MODE
RETURN
TUNING / PRESET
ENTER
SETUP
STANDBY
STANDBY/ON
CLEAR
PHONES
MULTl CH
DVD
VIDEO 1
VIDEO 2
VCR
VIDEO 3
TAPE
TUNER
CD
VIDEO
VIDEO 3 INPUT
MASTER VOLUME
A SPEAKERS B
MUTING
PREVIOUS
MENU
GUIDE
TOP MENU
SP A / B
SETUP
RETURN
RANDOM
SUBTITLE
PLAY MODE
AUDIO
REPEAT
RC-
607M
--/---
TAPE/AMP
M D
CDR
CABLE
ON
STANDBY
DIMMER
SLEEP
10
11
12
INPUT SELECTOR
DVD
HDD
REMOTE MODE
V
1
V
2
V
3
CD
TAPE
TUNER
DVD
MULTI CH
LISTENING MODE
TV
DISPLAY
TEST TONE
CH SEL
SURROUND
STEREO
CINE FLTR
LEVEL+
LEVEL-
L NIGHT
VOL
VOL
SAT
VCR
TV
DVD
RECEIVER
CD
INPUT
+10
0
CLR
12
3
45
6
789
ENTER
CH
DISC
RC-607M
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK
ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
background image
TX-SR503/503E/8350
SERVICE MANUAL
SERVICE MANUAL
TX-SR503 Black and Silver and Golden models
120V AC, 60Hz
230-240V AC, 50Hz
120V/220-230V AC, 50/60Hz
220-230V AC, 50/60Hz
B MDD, B MDC, S MDC
B MPA, S MPA
B MWT, S MWT, G MWT
G MGR, G MGQ, G MGK
TX-SR503E Black and Silver models
230-240V AC, 50Hz
B MPP, S MPP
TX-SR8350 Golden model
220-230V AC, 50/60Hz
G MGR
Ref. No. 3863
042005
MODEL
TX-SR503
MODEL
TX-SR503E
MODEL
TX-SR8350
AV RECEIVER
AUDIO
LR
TONE
+
STEREO
LISTENING MODE
DISPLAY DIGITAL INPUT
DIMMER
MEMORY TUNING MODE
RETURN
TUNING / PRESET
ENTER
SETUP
STANDBY
STANDBY/ON
CLEAR
PHONES
MULTl CH
DVD
VIDEO 1
VIDEO 2
VCR
VIDEO 3
TAPE
TUNER
CD
VIDEO
VIDEO 3 INPUT
MASTER VOLUME
A SPEAKERS B
MUTING
PREVIOUS
MENU
GUIDE
TOP MENU
SP A / B
SETUP
RETURN
RANDOM
SUBTITLE
PLAY MODE
AUDIO
REPEAT
RC-
607M
--/---
TAPE/AMP
M D
CDR
CABLE
ON
STANDBY
DIMMER
SLEEP
10
11
12
INPUT SELECTOR
DVD
HDD
REMOTE MODE
V
1
V
2
V
3
CD
TAPE
TUNER
DVD
MULTI CH
LISTENING MODE
TV
DISPLAY
TEST TONE
CH SEL
SURROUND
STEREO
CINE FLTR
LEVEL+
LEVEL-
L NIGHT
VOL
VOL
SAT
VCR
TV
DVD
RECEIVER
CD
INPUT
+10
0
CLR
12
3
45
6
789
ENTER
CH
DISC
RC-607M
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK
ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
background image
TX-SR503/503E/8350
SPECIFICATIONS
Audio Outputs
Analog Outputs
TAPE, VIDEO1
Subwoofer Pre Outputs
1
Speaker Outputs
SP A (L, R, C, SL, SR, SBL, SBR)
SP B (L, R)
Phones
1
Specifications and features are subject to change without notice.
Power Supply
North American: AC 120 V, 60 Hz
Australian and European:
AC 230-240 V, 50 Hz
Others: AC 120/220-240 V, 50/60 Hz
AC 230-240 V, 50Hz
AC 220-230 V, 50 Hz
Power Consumption
North American: 6.2 A
Others: 590 W
Stand-by Power Consumption
North American: 0.1 W
Australian and European: 0.2 W
Others: 0.5 W
Dimensions
(W x H x D)
435 x 150 x 374 mm
17-1/8" x 5-7/8" x 14-3/4"
Weight
North American: 9.4 kg
20.7 lbs.
European: 10.1 kg
22.3 lbs
Others: 10.2 kg .
22.5 lbs.
Video Outputs
Component
MONITOR
S-Video
MONITOR OUT, VIDEO1
Composite
MONITOR OUT, VIDEO1
Audio Inputs
Digital Inputs
Optical: 3
Coaxial: 1
Analog Inputs
DVD(MULTICHANNEL), VIDEO1,
VIDEO2, VIDEO3, TAPE, CD
Multichannel Inputs
6
General
Power Output
2 channel driven:
North American: 75 W + 75 W
(8 ,20Hz-20kHz, FTC)
European: 100 W + 100 W
(6 , 1kHz, DIN)
Asian, Australian: 130 W + 130 W
(6 , 1kHz, JEITA)
Dynamic Power
180 W + 180 W (3 , Front)
140 W + 140 W (4 , Front)
95 W + 95 W (8 , Front)
THD
(Total Harmonic Distortion)
0.08% (Power Rated)
Damping Factor
60 (Front, 1kHz, 8 )
Input Sensitivity and Impedance
200 mV/ 47 k
(LINE)
Output Level and Impedance
200 mV/ 470
(REC OUT)
Frequency Response
10 Hz-100 kHz/ +1 dB-3 dB (Direct
mode)
Tone Control
10 dB, 50 Hz (BASS)
10 dB, 20 kHz (TREBLE)
Signal to Noise Ratio
100 dB (LINE, IHF-A)
Speaker Impedance
North American: 6 -
Others: 4 - or 6 -
Amplifier Section
Input Sensitivity/Output Level
and Impedance
1 Vp-p /75
(Component and S-Video Y)
0.7 Vp-p /75
(Component Pb/Cb, Pr/Cr)
0.28 Vp-p /75
(S-Video C)
1 Vp-p /75
(Composite)
Component Video
Frequency Response
5 Hz - 50 MHz
Video Section
FM
Tuning Frequency Range
North American: 87.5 MHz- 107.9 MHz
Other: 87.5 MHz- 108.0 MHz
Usable Sensitivity
Stereo: 17.2 dBf 2 V(75
IHF)
Mono: 11.2 dBf 1 V(75
IHF)
Signal to Noise Ratio
Stereo: 70 dB (IHF-A)
Mono: 76 dB (IHF-A)
THD
Stereo: 0.3% (1kHz)
Mono: 0.2% (1kHz)
Frequency Response
30 Hz-15 kHz /
1 dB
Stereo Separation
45 dB (1kHz)
AM
Tuning Frequency Range
North American: 530 kHz-1710 kHz
Others: 522 kHz-1611 kHz
Usable Sensitivity
30 V
Signal to Noise Ratio
40 dB
THD
0.70%
Tuner Section
Video Inputs
Component
DVD, VIDEO1, VIDEO2
S-Video
DVD, VIDEO1, VIDEO2
Composite
DVD, VIDEO1, VIDEO2, VIDEO3
background image
SERVICE PROCEDURE
TX-SR503/503E/8350
1. Replacing the fuses
This symbol located near the fuse indicates that the
fuse used is show operating type, For continued protection against
fire hazard, replace with same type fuse, For fuse rating, refer to
the marking adjacent to the symbol.
Ce symbole indique que le fusible utilise est e lent.
Pour une protection permanente, n'utiliser que des fusibles de meme
type. Ce demier est indique la qu le present symbol est apposre.
2. To initialize the unit
The AV receiver uses a battery-less memory backup system in order to retain radio presets and other settings
when it's unplugged or in the case of a power failure.
Although no batteries are required, the AV receiver must be plugged into an AC outlet in order to charge the
backup system. Once it has been charged, the AV receiver will retain the settings for several weeks,
although this depends on the environment and will be shorter in humid climates.
1. Press and the hold down the VIDEO 1/VCR button , then press the STANDBY/ON button when the unit is Power on.
2. After " Clear " is displayed, the preset memory and each mode stored in the memory, are initialized and will return to
the factory settings.
4. Memory Backup
<Note>
Main microprocessor Q701 only.
1. Press and the hold down the DISPLAY button , then press the STANDBY/ON button when the unit is Power on.
Version is displayed on FL display only for 3 seconds.
2. Press the STANDBY/ON button to Power off.
3. To check version of microprocessor
Ver.1.01/05305a
Ex.
REF NO.
F901
F901 or
F901
F901 or
F901 or
F902
F902 or
F902 or
F902
F902 or
F902 or
F903
F903 or
F903
F903 or
F903 or
F903
F903 or
F903 or
F6901
F6902
PART NAME
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
DESCRIPTION
8A-UL
8A-T/UL-ST2
4A-SE-EAK FUSE
4A-SE-TL250V
4A-SE-TL250V
4A-SE-EAK FUSE
4A-SE-TL250V
4A-SE-TL250V
4A-SE-EAK FUSE
4A-SE-TL250V
4A-SE-TL250V
5A-UL/T-237
5A-T/UL-ST2
2.5A-SE-EAK FUSE
2.5A-SE-TL250V
2.5A-SE-TL250V
2.5A-SE-EAK FUSE
2.5A-SE-TL250V
2.5A-SE-TL250V
10A-UL
10A-UL
PART NO.
252198
252261
252077
252243
252277
252077
252243
252277
252077
252243
252277
252164
252258
252075
252241
252275
252075
252241
252275
252199
252199
REMARKS
!, <503 DD, DC>
!, <503 DD, DC>
!, <503 WT>
!, <503 WT>
!, <503 WT>
!, <503 GK, GQ, GR,PA, WT>
!, <503 GK, GQ, GR,PA, WT>
!, <503 GK, GQ, GR,PA, WT>
!, <503E>, <8350>
!, <503E>, <8350>
!, <503E>, <8350>
!, <503 DD< DC>
!, <503 DD< DC>
!, <503 GK, GQ, GR, PA, WT>
!, <503 GK, GQ, GR, PA, WT>
!, <503 GK, GQ, GR, PA, WT>
!, <503E>, <8350>
!, <503E>, <8350>
!, <503E>, <8350>
!
!
<DC> : Canadian model only
<DD> : USA model only
<GK> : Korean model only
<GQ> : Hong kong model only
<503> : TX-SR503 only
<503E> : TX-SR503E (European model) only
<8350> : TX-SR8350 (Chinese model) only
<GR> : Chinese model only
<PA> : Australian model only
<WT> : World wide model only
<Notes>
background image
TX-SR503/503E/8350
TX-SR503/503E/8350
EXPLODED VIEWS-1
A068
x 37 pcs.
A002
x 4 pcs.
A061
x 6 pcs.
A002
x 2 pcs.
A002
x 3 pcs.
A002
x 4 pcs.
A002
x 4 pcs.
A002
x 4 pcs.
A046
x 2 pcs.
A030
x 4 pcs.
A002
x 3 pcs.
A068
x 3 pcs.
A002
x 2 pcs.
A002
x 5 pcs.
A013
x 8 pcs.
A020
x 3 pcs.
A021
x 2 pcs.
A064
x 4 pcs.
A066
x 8 pcs.
A068
x 8 pcs.
A002
x 3 pcs.
U19
P101
P702
T901
P901
F902
A093
A041
A073
A001
A060
A102
A109
DD, DC Only
U03
U01
U04
U05
U06
U14
U11
U13
U15
U16
U02
U17
U18
U08
U07
U09
A051
A051
A051
A070
A071
A081
A007
A054
A002
A006
A005
A002
A077
A110
A1101
F903C
F903
F901
F901C
A052
A018
A050
A002
A095
A002
A014
A033
A022
A015
A017
A043
A050
A044
F6901
F6902
F6901C
A002
A098
Refer to
<Fig-1> in
EXPLODED VIEWS-2
<Ex.> WT type
GR Only
background image
TX-SR503/503E/8350
TX-SR503/503E/8350
EXPLODED VIEWS-2
Q6066
Q6056
<Fig-1>
Q6060
Q6061
Q6062
Q6063
Q6064
Q6054
Q6065
Q6055
Q6053
Q6052
Q6050
Q6051
Q6050A
x 14
A049
x14

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