ONKYO TX-SR500 Service Manual

Cover page of ONKYO TX-SR500 Service Manual

Service Manual for ONKYO TX-SR500, downloadable as a PDF file.

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TX-SR500/E
SERVICE MANUAL
SERVICE MANUAL
Ref. No. 3727
042002
120V AC, 60Hz
230-240V AC, 50Hz
120/220-230V AC, 50/60Hz
220V AC, 50Hz
AV RECEIVER
MODEL
TX-SR500/E
Black, Golden and Silver models
BMDD,BMDC
BMPP,SMPP,BMPA,GMPA
BMWT,GMWT,GMWR,GMWQ
GMGK
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.
1
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TX-SR500/E
SERVICE MANUAL
SERVICE MANUAL
Ref. No. 3727
042002
120V AC, 60Hz
230-240V AC, 50Hz
120/220-230V AC, 50/60Hz
220V AC, 50Hz
AV RECEIVER
MODEL
TX-SR500/E
Black, Golden and Silver models
BMDD,BMDC
BMPP,SMPP,BMPA,GMPA
BMWT,GMWT,GMWR,GMWQ
GMGK
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.
1
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AMPLIFIER SECTION
Continuous Average Power output (FTC)
All channels:
65 watts per channel min. RMS at 8 ohms,
2 channels driven from 20 Hz to 20 kHz
with no more than 0.08% total harmonic
distortion.
Continuous Power output (DIN)85 watts 5 at 6 ohms
Maximum Power output (EIAJ) 115 watts 5 at 6 ohms
Dynamic power output:
160 watts 2 at 3 ohms
125 watts 2 at 4 ohms
85 watts 2 at 8 ohms
Total Harmonic Distortion:
0.08% at rated power
0.08% at 1 watt output
IM Distortion:
0.08% at rated power
0.08% at 1 watt output
Damping Factor:
60 at 8 ohms
Input Sensitivity and Impedance
DIGITAL INPUT (OPTICAL 1, 2): 0.5 Vp-p, 75 ohms
DIGITAL INPUT (COAXIAL): 0.5 Vp-p, 75 ohms
LINE (CD, VIDEO 1, 2, 3, TAPE): 200 mV, 50 kohms
Multichannel Input
(DVD FRONT L/C/R, SURR L/R): 200 mV, 50 kohms
(SUBWOOFER):
36 mV, 50 kohms
Output Level and Impedance
Rec out (TAPE, VIDEO 1): 200 mV, 470 ohms
Pre out (SUBWOOFER):
1 V, 470 ohms
Frequency Response:
10 Hz to 10 kHz, +1/ -3 dB (Direct mode)
Tone Control
Bass:
±12 dB at 50 Hz
Treble:
±12 dB at 20 kHz
Signal-to-Noise Ratio:
CD/TAPE: 100 dB (IHF-A, Direct mode)
Muting:
-50 dB
VIDEO SECTION
Input Sensitivity and Impedance
VIDEO (DVD, VIDEO 1, 2, 3): 1 Vp-p, 75 ohms
S VIDEO (DVD, VIDEO 1, 2, 3):1 Vp-p, 75 ohms (Y)
0.28 Vp-p, 75 ohms (C)
Output Level and Impedance
VIDEO (VIDEO 1, 2, MONITOR): 1 Vp-p, 75 ohms
S VIDEO (VIDEO 1, 2, MONITOR): 1 Vp-p, 75 ohms (Y)
0.28 Vp-p, 75 ohms (C)
TUNER SECTION
FM
Tuning Range:
87.5-108.0 MHz (50 kHz steps)
Usable Sensitivity
Mono:
11.2 dBf, 1.0 µV (75 ohms, IHF)
11.2 dBf, 0.9 µV (75 ohms, DIN)
Stereo:
17.2 dBf, 2.0 µV (75 ohms, IHF)
17.2 dBf, 23 µV (75 ohms DIN)
50 dB Quieting Sensitivity
Mono:
17.2 dBf, 2.0 µV (75 ohms)
Stereo:
37.2 dBf, 20.0 µV (75 ohms)
Capture Ratio:
2.0 dB
Image Rejection Ratio
North American models:
40 dB
Other models:
85 dB
IF Rejection Ratio:
90 dB
Signal-to-Noise Ratio
Mono:
76 dB, IHF
Stereo:
70 dB, IHF
Alternate Channel Attenuation: 55 dB, IHF, ±400 kHz
Selectivity:
50 dB (DIN)
AM Suppression Ratio:
50 dB
Total Harmonic Distortion
Mono:
0.2%
Stereo:
0.3%
Frequency Response:
30 Hz-15 kHz, ±1.0 dB
Stereo Separation:
45 dB at 1 kHz
30 dB at 100 Hz-10 kHz
AM
Tuning Range
North American models:
530-1,710 kHz (10 kHz steps)
European & Australian models: 522-1,611 kHz (9 kHz steps)
Worldwide models:
531-1,602 kHz (9 kHz steps),
530-1,710 kHz (10 kHz steps)
Usable Sensitivity:
30 µV
Image Rejection Ratio:
40 dB
IF Rejection Ratio:
40 dB
Signal-to-Noise Ratio:
40 dB
Total Harmonic Distortion:
0.7%
GENERAL
Power Supply and
Power Consumption:
AC 120 V, 60 Hz
4.0 A
AC 230-240 V, 50 Hz
320 W
AC 220-230 V and 120 V
switchable, 50/60 Hz 320 W
Dimensions (W H D):
17-1/8"
5-7/8"
14-13/16"
435
150 376 mm
Weight
North American models:
18.7 lbs., 8.5 kg
Other models:
19.4 lbs., 8.8 kg
REMOTE CONTROL
Transmitter:
Infrared
Signal range:
Approx. 16 ft., 5 meters
Power supply:
Two " AA " batteries (1.5 V
2)
Specifications and features are subject to change without notice.
Power supply and voltage vary depending on the area in which
the unit is purchased.
TX-SR500/E
SPECIFICATIONS
2
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4. Memory Preservation
This unit does not require memory preservation batteries. A
built-in memory po wer back-up system preserves the contents
of the memory during power failures and even when the unit is
unplugged.The unit must be plugged in order to charge the
back-up system.
The memory preservation period after the unit has been
unplugged varies depending on climate and placement of the
unit. On the average, memory contents are protected over a
period of a few weeks after the last time the unit has been
unplugged.This period is shorter when the unit is exposed to a
highly humid climate.
2. To initialize the unit
This device employs a microprocessor to perform various
functions and operations. If interference generated by an external
power supply, radio wave, or other electrical source results in
accident which causes the specified operations and functions to
operate abnormally.
To perform a result, please follow the procedure below.
1.Press and hold down the VIDEO-1 button, then press the
STANDBY/ON button.
2.After "clear" is displayed, the preset memory and each
mode stored in the memory, such as surround, are
initialized and will return to the factory setting.
3. Safety-check out
(Only U.S.A. model)
After correcting the original service problem, perform the
following safety check before releasing the set to the customer.
Connect the insulating-resistance tester between the plug of power
supply cord and screw on the back panel.
Specifications: 3.3Mohm+/-10% at 500V.
1. Replacing the fuses
This symbol located near the fuses indicates that the
fuse used is fast 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 utlise est a rapide.
Pour une protection permanente, n'untiliser que fusibles de
meme type. Ce darnier est la qu le present symbol est
appse.
CIRCUIT NO. PART NO.
DESCRIPTION
Note: <D>:120V model only
<O>: Other models except 120V model
<T>: Asian model only for 230V
<R>: Chinese model only
<Q>: Hongkong model only
<A>: Australian model only
F6901,
252198 or
8A-UL or
F6902
252261
8A-T/UL-ST2,Fuse <D>
252099
8A-EAK,Fuse <O>
F901
252166 or
6.3A-UL/T-237 or
252260
6.3A-T/UL-ST2,Fuse <D/T/A/R/Q>
F902
252076 or
3.15A-SE-EAK or
252242
3.15A-SE-TL250V,Fuse <O>
F903
252075 or
2.5A-SE-EAK or
252241
2.5A-SE-TL250V,Fuse <O>
REMOTE
CONTROL
R
L
R
L
R
L
IN
IN
IN
COAXIAL
OPTICAL
1
2
IN
IN
IN
IN
FRONT
SURR
CENTER
SUB
WOOFER
VIDEO 2
VIDEO 1
OUT
OUT
OUT
DIGITAL INPUT
VIDEO 2
VIDEO 1
DVD
MONITOR
OUT
VIDEO
S VIDEO
DVD
TAPE
CD
FRONT
SPEAKERS A
FRONT
SPEAKERS B
SURROUND
SPEAKERS
CENTER
SPEAKER
L
R
L
R
AC OUTLET
120V
VOLTAGE
SELECTOR
220-230V
ANTENNA
FM
75
AM
SUBWOOFER
PRE OUT
120V
VOLTAGE
SELECTOR
220-230V
5.Setting the voltage selector (Worldwide models
only)
Worldwide models are equipped with a voltage selector to conform
with local power supplies. Be sure to set this switch to match the
voltage of the power supply in your area before plugging in the unit.
Determine the proper voltage for your area: 220-230 V or 120 V. If
the preset voltage is not correct for your area, insert a screwdriver
into the groove in the switch. Slide the switch all the way to the
upper (120 V) or to the lower (220-230 V), whichever is appropriate.
6.Setting the AM tuning step frequency
(Worldwide models only)
You can switch the AM band tuning steps between 9 kHz and
10 kHz.
The initial setting is 9 kHz. Please set the AM tuning step frequency
to match the AM band tuning step frequency in your area.
USA and Canadian models
10 kHz
Other models
9 kHz
Press MEMORY while holding down
TUNER.
Note
All the preset stations are erased when you switch the AM band
tuning steps.
TX-SR500/E
SERVICE PROCEDURES
3
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TX-SR500/E
EXPLODED VIEW
TX-SR500/E
P901
11
33
33
32
31
U9
54
U31
U7
U22
2
2
2
17
17
17
16
P7001
P7503
24
53
51
1
2
25
U3
U6
P101
53
52
2
U5
4
3
U1
2
U13
33
F903
F901
F902
U20
9
U19
T901
9
U21
U11
13
Q6050
Q6064
55
12
21
22
23
21
22
23
8
8
7
6
U17
F6901
F6902
U12
U23
U24
2
U10
10
2
U4
U18
5
54
2
4 & U18:Except 120V model
*
*
Chinese
model only
56
*
4
background image
CAUTION: Replacement for transistor of mark *, if necessary
must be made from the same beta group (HFE) as
the original type.
NOTE: THE COMPONENTS IDENTIFIED BY MARK !
ARE CRITICAL FOR RISK OF FIRE AND
ELECTRIC SHOCK. REPLACE ONLY WITH
PART NUMBER SPECIFIED.
Note:
<B>: Black model only
<G>: Golden model only
<S>: Silver model only
<D>: 120V model only
<P>: European model only
<T>: Worldwide model only
<K>: Korean model only
<A>: Australian model only
<R>: Chinese model only
<Q>: Hongkong model only
<O>: Except 120V model
REF.NO. PART NO.
DESCRIPTION
1
27111268
Front bracket <B>
27111269
Front bracket <S>
27111270
Front bracket <G>
2
838130088
3TTB+8B,Self-tapping screw
3
82143010
3P+10FN(BC),Pan head screw
4
28325497A
Knob,power <B>
28325499A
Knob, power <G>
28325547A
Knob, power <S>
5
27100416
Chassis
6
27190503A
KGLS-8RF,Holder
7
27190813
KGPS-10RF,Holder
8
27190428A
KGLS-10RF,Holder
9
830440089
4TTC+8C(BC),Self-tapping screw
10
880009
NRP-345,Plastic rivet
11
27300750
Bushing,cord
12
27160501
Heat sink
13
801433
3SMS8W.SW+14B(BC),Special screw
16
28184831
Top cover <B>
28184833
Top cover <S>
28184834
Top cover <G>
17
838430088
838930088
3TTB+8B(BC),Self-tapping screw <B>
3TTB+8B(UN),Self-tapping screw <G/S>
21
27175319B
Leg
22
28141494
Cushion
23
838130088
3TTB+8B,Self-tapping screw
24
28325641
Knob, volume <B>
28325642
Knob, volume <S>
28325643
Knob, volume <G>
25
28191957
Clear plate <B>
28191958
Clear plate <G/S>
31
27122953A
Rear panel <D>
27122954A
Rear panel <P>
27122955A
Rear panel <K>
27122956A
Rear panel <T/Q>
27122957B
Rear panel <R>
27122958A
Rear panel <A>
32
27191143
Holder,outlet <R>
33
838430088
3TTB+8B(BC),Self-tapping screw
51
27212368
Front panel <D>
27212369
Front panel <B><P>
27212370
Front panel <S>
27212371
Front panel <B><A/T>
27212372
Front panel <G>
52
28135244
Badge <B>
28135245
Badge <G/S>
53
54
838430088
29110111
3TTB+8B(BC),Self-tapping screw
Cloth tape
55
223024
AC238,Isolated plate
56
260208
Wire tie
F6901,
252198 or
8A-UL or
F6902
252261
8A-T/UL-ST2,Fuse <D>
252099
8A-EAK,Fuse <O>
F901
252166 or
6.3A-UL/T-237 or
252260
6.3A-T/UL-ST2,Fuse <D/T/A/R/Q>
F902
252076 or
3.15A-SE-EAK or
252242
3.15A-SE-TL250V,Fuse <O>
F903
252075 or
2.5A-SE-EAK or
252241
2.5A-SE-TL250V,Fuse <O>
P101
2047151512
NCFC7-151512,Flexible flat cable
P7001
2045102012
NCFC5-102012,Flexible flat cable
P7503
2047081012
NCFC7-081012,Flexible flat cable
P901
253332HIT or
AS-UC-2 or
253333VOL
AS-UC-2,Power supply cord <D>
253197HIT
AS-SAA,Power supply cord <A>
253233KAW
AS-CEE-2,Power supply cord <P/T/K>
253198HIT
AS-BS,Power supply cord <Q>
253337HIT or
AS-CCEE or
253338VOL
AS-CCEE,Power supply cord <R>
P902A
25052665
NSCT-2P2561,AC outlet <K>
Q6050~ 2203633,
KTD1047-O,
Q6054
2203634,
KTD1047-Y,
2203653,
MN100S-O,
2203654 or
MN100S-Y or
2203656
MN100S-P,Transistor
Q6060~ 2203623,
KTB817-O,
Q6064
2203624,
KTB817-Y,
2203643,
MP100S-O,
2203644 or
MP100S-Y or
2203646
MP100S-P,Transistor
REF.NO.
PART NO.
DESCRIPTION
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
*
*
*
*
*
*
*
*
*
*
TX-SR500/E
EXPLODED VIEW-PARTS LIST
TX-SR500/E
5

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