ONKYO TX-SR573 Service Manual

Cover page of ONKYO TX-SR573 Service Manual

Service Manual for ONKYO TX-SR573, downloadable as a PDF file.

We also have owner's manual to this model.

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TX-SR573
SERVICE MANUAL
SERVICE MANUAL
AV RECEIVER
MODEL
TX-SR573
Ref. No. 3898
092005
Black and Silver models
120V AC, 60Hz
B MDD
120V AC, 60Hz
S MDD
RC-632M
10
--/---
11
12
REMOTE MODE
HDD
RECEIVER
TAPE/AMP
DVD
CD
SAT
TV
VCR
CABLE
MD
CDR
STEREO
SURR
DIRECT
SUBTITLE
AUDIO
PLAY MODE
TEST TONE
CH SEL
VIDEO OFF
REPEAT
RANDOM
REC
SP A
SP B
PLAYLIST
OPEN/CLOSE
LEVEL
LEVEL
L NIGHT
CINE FLTR
+
-
TV CH
TV VOL
ENTER
SET
UP
RE
TURN
TO
P M
ENU
MEN
U
VOL
+
-
CH
DISPLAY
PREV
CH
DIMMER
SLEEP
MUTING
LISTENING MODE
INPUT SELECTOR
3
2
MACRO
1
0
CLEAR
12
3
45
6
78
9
INPUT
I
ON
STANDBY
TV
CD
V1
V2
V3
MULTI CH
DVD
TAPE
TUNER
DISC
ALBUM
RC-632M
+10
ALLST
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
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-SR573
SERVICE MANUAL
SERVICE MANUAL
AV RECEIVER
MODEL
TX-SR573
Ref. No. 3898
092005
Black and Silver models
120V AC, 60Hz
B MDD
120V AC, 60Hz
S MDD
RC-632M
10
--/---
11
12
REMOTE MODE
HDD
RECEIVER
TAPE/AMP
DVD
CD
SAT
TV
VCR
CABLE
MD
CDR
STEREO
SURR
DIRECT
SUBTITLE
AUDIO
PLAY MODE
TEST TONE
CH SEL
VIDEO OFF
REPEAT
RANDOM
REC
SP A
SP B
PLAYLIST
OPEN/CLOSE
LEVEL
LEVEL
L NIGHT
CINE FLTR
+
-
TV CH
TV VOL
ENTER
SET
UP
RE
TURN
TO
P M
ENU
MEN
U
VOL
+
-
CH
DISPLAY
PREV
CH
DIMMER
SLEEP
MUTING
LISTENING MODE
INPUT SELECTOR
3
2
MACRO
1
0
CLEAR
12
3
45
6
78
9
INPUT
I
ON
STANDBY
TV
CD
V1
V2
V3
MULTI CH
DVD
TAPE
TUNER
DISC
ALBUM
RC-632M
+10
ALLST
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
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-SR573
SPECIFICATIONS
Power Output
2 channels driven:
Dynamic Power
THD
(Total Harmonic Distortion)
Damping Factor
Input Sensitivity and Impedance
Output Level and Impedance
Frequency Response
Tone Control
SN Ratio
Speaker Impedance
75 W + 75 W
(8
, 20 Hz - 20 kHz, FTC)
100 W + 100 W (6
1 kHz, FTC)
180 W + 180 W (3
, Front)
140 W + 140 W (4
, Front)
95 W + 95 W (8
, Front)
0.08 % (Power Rated)
60 (Front, 1 kHz, 8
)
200 mV/47 k
(LINE)
200 mV/470
(REC OUT)
10 Hz - 100 kHz/+1 dB, -3 dB
(Direct mode)
+/- 10 dB, 50 Hz (BASS)
+/- 10 dB, 20 kHz (TREBLE)
100 dB (LINE IHF-A)
6
-
Amplifier Section
Video Section
Input Sensitivity/Output
Level and Impedance
Component Video
Frequency Response
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)
5 Hz - 50 MHz
FM
Tuning Frequency Range
Usable Sensitivity
S/N Ratio
THD
Frequency Response
Stereo Separation
AM
Tuning Frequency Range
Usable Sensitivity
S/N Ratio
THD
87.5 MHz - 107.9 MHz
Stereo: 22.2 dBf (75
IHF)
Mono: 15.2 dBf (75
IHF)
Stereo: 67 dB (IHF-A)
Mono: 73 dB (IHF-A)
Stereo: 0.5 % (1 kHz)
Mono: 0.3 % (1 kHz)
30 Hz - 15 kHz +/-1 dB
40 dB (1kHz)
530 kHz - 1710 kHz
300 V /m
40 dB
0.70%
Tuner Section
Power Supply
Power Consumption
Stand-by Power Consumption
Dimensions (W x H x D)
Weight
Video Inputs
Component
S-Video
Composite
Video Outputs
Component
S-Video
Composite
Audio Inputs
Digital Inputs
Analog Inputs
Multichannel Inputs
Audio Outputs
Analog Outputs
Subwoofer Pre Outputs
Speaker Outputs
Phones
AC 120 V, 60 Hz
6.2 A
0.1 W
435 W x 150 H x 374 D mm
17-1/8" W x 5-7/8" H x 14-13/4" D
9.5 kg
20.9 lbs
DVD, VIDEO1, VIDEO2
DVD, VIDEO1, VIDEO2
DVD, VIDEO1, VIDEO2, VIDEO3
MONITOR
MONITOR OUT, VIDEO1
MONITOR OUT, VIDEO1
Optical: 3
Coaxial: 1
DVD(MULTICHANNEL), VIDEO1,
VIDEO2, VIDEO3, TAPE, CD
6 jacks
TAPE, VIDEO1
1
SP A (L, R, C, SL, SR, SBL, SBR)
SP B (L, R)
1
Specifications and features are subject to change without
notice.
General
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SERVICE PROCEDURE
TX-SR573
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
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.1.00/05810a
Ex.
REF NO.
F901
F901 or
F903
F903 or
F6901
F6902
PART NAME
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
DESCRIPTION
8A-T/UL-ST2
8A-T/T-233
5A-T/UL-ST2
5A-T/T-233
10A-UL/T-233
10A-UL/T-233
PART NO.
252261GR
252329GR
252258GR
252326GR
252330GR
252330GR
REMARKS
!
!
!
!
!
!
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OPERATION CHECK-1
SPEAKER PROTECT-1 (DC VOLTAGE DETECTION)
TX-SR573
1. Press and the hold down the CD button, then press the STANDBY/ON button when the unit is Power ON.
" Test - _ " is displays it only for 5 seconds.
2. Press the VIDEO 3 button, while the character of " Test - _ " is displayed.
Unit will be in the state of " Test-4-00 ".
3. Repeatedly press TONE
+ button until the character of " Test-4-21 " is displayed.
[Procedure]
<Note>
No load. No input.
Test - _
Test - 4-00
[When]
1. Exchange power transistors (Q6050 - Q6066).
2. Exchange amplifier PC board ass'y (NAAF-8523).
Test - 4-21
Checking the operation starts automatically as follows.
Test - 4-21
Test - 4-22
Test - 4-25
Test - 4-23
Test - 4-24
Protect OK
Protect OK
Protect
Protect OK
Protect OK
Protect OK
Test - 4-35
Clear
Turn off
Front L ch
Check
If all channel are OK, the character of " Test - 4 - 35 " is displayed.
4. Press the STANDBY/ON button.
Front R ch
Check
Center ch
Check
Surround L ch
Check
Surround R ch
Check
Blinks
Test - 4-26
Protect OK
Surround Back L ch
Check
Test - 4-27
Protect OK
Surround Back R ch
Check
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OPERATION CHECK-2
SPEAKER PROTECT-2 (CURRENT DETECTION)
TX-SR573
1. Press and the hold down the CD button, then press the STANDBY/ON button when the unit is Power ON.
" Test - _ " is displays it only for 5 seconds.
2. Press the VIDEO 3 button, while the character of " Test - _ " is displayed.
Unit will be in the state of " Test-4-00 ".
3. Repeatedly press TONE
+ button until the character of " Test-4-35 " is displayed.
4. Connect the Dummy load of 3 ohms to the Front Lch speakers terminal.
At this time, check the speaker relay is not turned off.
5. Connect the dummy load of 1 ohm to the Front Lch speakers terminal.
At that time, you check the speaker relay is turned off and " Protect " is displayed.
Disconnect the dummy load at once when check the display of " Protect ".
6. Check other channels according to the same procedure.
[Procedure]
<Note>
No input.
Do not check two or more channels at the same time.
Do not connect dummy load to speaker terminals for seconds 2 or more.
Test - _
Test - 4-00
[When]
1. Exchange power transistors (Q6050 - Q6066).
2. Exchange amplifier PC board ass'y (NAAF-8523).
Test - 4-35
Clear
Turn off
7. Press the STANDBY/ON button.
Test - 4-35
Protect
Test - 4-35
Blinks

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