TA-SB500WR2 - Sony Audio Service Manual (repair manual)

ta-sb500wr2 service manual
Model
TA-SB500WR2
Pages
31
Size
1.12 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
ta-sb500wr2.pdf
Date

Read Sony TA-SB500WR2 Service Manual online

SERVICE MANUAL
SURROUND AMPLIFIER
SPECIFICATIONS
TA-SB500WR2
Ver. 1.1  2007.07
9-887-591-02
2007G05-1
© 2007.07
Sony Corporation
Home Audio Division
Published by Sony Techno Create Corporation
US Model
TA-SB500WR2 is the surround amplifier
section in DAV-HDX267W/HDX501W.
AUDIO POWER SPECIFICATIONS 
POWER OUTPUT AND TOTAL HARMONIC 
DISTORTION:
With 3 ohms loads, both 
channels driven, from 
120 Hz - 20,000 Hz; rated 
60 watts per channel 
minimum RMS power, 
with no more than 0.7 % 
total harmonic distortion 
from 250 milli watts to 
rated output.
Amplifier section
Surround mode (reference) RMS output power
SL/SR* : 100 W
(per channel at 3 ohms, 1 
kHz, 10 % THD)
* Depending on the sound field setting and the source, 
there may be no sound output.
Power requirements: 
120 V AC, 60 Hz
Power consumption
On: 40 W
Dimensions (approx.)
65 
×
 89 
×
 253 mm
(2 
5
/
8
 
×
 3 
5
/
8
 
×
 10 inches) 
(w/h/d)
65 
×
 89 
×
 345 mm
(2 
5
/
8
  3 
×
 
5
/
8
  
× 
13 
5
/
8
 inches) 
(w/h/d) incl. speaker cord 
cover
Mass (approx.)
1.3 kg (2 lb 14 oz)
1.4 kg (3 lb 2 oz) incl. 
speaker cord cover
Design and specifications are subject to change 
without notice.
2
TA-SB500WR2
SAFETY-RELATED  COMPONENT  WARNING!!
COMPONENTS  IDENTIFIED  BY  MARK 
 0
  OR  DOTTED  LINE
WITH  MARK  
0
  ON  THE  SCHEMATIC  DIAGRAMS  AND  IN
THE  PARTS  LIST  ARE  CRITICAL  TO  SAFE  OPERATION.
REPLACE  THESE  COMPONENTS  WITH  SONY  PARTS  WHOSE
PART  NUMBERS  APPEAR  AS  SHOWN  IN  THIS  MANUAL  OR
IN  SUPPLEMENTS  PUBLISHED  BY  SONY.
Notes on chip component replacement
Never reuse a disconnected chip component.
Notice that the minus side of a tantalum capacitor may be
damaged by heat.
UNLEADED  SOLDER
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
the lead free mark due to their particular size)
: LEAD  FREE  MARK
Unleaded solder has the following characteristics.
Unleaded solder melts at a temperature about 40 
°
C higher
than ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350 
°
C.
Caution: The printed pattern (copper foil) may peel away if
the heated tip is applied for too long, so be careful!
Strong viscosity
Unleaded solder is more viscou-s (sticky, less prone to flow)
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.
Usable with ordinary solder
It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.
SAFETY  CHECK-OUT
After correcting the original service problem, perform the following
safety check before releasing the set to the customer:
Check the antenna terminals, metal trim, “metallized” knobs, screws,
and all other exposed metal parts for AC leakage.
Check leakage as described below.
LEAKAGE  TEST
The AC leakage from any exposed metal part to earth ground and
from all exposed metal parts to any exposed metal part having a
return to chassis, must not exceed 0.5 mA (500 microamperes.).
Leakage current can be measured by any one of three methods.
1. A commercial leakage tester, such as the Simpson 229 or RCA
WT-540A. Follow the manufacturers’ instructions to use these
instruments.
2. A battery-operated AC milliammeter. The Data Precision 245
digital multimeter is suitable for this job.
3. Measuring the voltage drop across a resistor by means of a
VOM or battery-operated AC voltmeter. The “limit” indication
is 0.75 V, so analog meters must have an accurate low-voltage
scale. The Simpson 250 and Sanwa SH-63Trd are examples
of a passive VOM that is suitable. Nearly all battery operated
digital multimeters that have a 2 V AC range are suitable.  (See
Fig. A)
Fig. A.
Using an AC voltmeter to check AC leakage.
1.5 k
0.15 
µ
F
AC
voltmeter
(0.75 V)
To Exposed Metal
Parts on Set
Earth Ground
TABLE  OF  CONTENTS
1.
GENERAL
...................................................................
3
2.
DISASSEMBLY
2-1.
Disassembly Flow ...........................................................
4
2-2.
Wire Cover ......................................................................
4
2-3.
Top Panel .........................................................................
5
2-4.
Side Panel, Front Panel Block .........................................
5
2-5.
DIAT POWER Board ......................................................
6
2-6.
DIAT AMP Board ............................................................
6
3.
DIAGRAMS
3-1.
Block Diagram ................................................................
7
3-2.
Printed Wiring Board – DIAT AMP Section (1/2) – .......
9
3-3.
Printed Wiring Boards – DIAT AMP Section (2/2) – ...... 10
3-4.
Schematic Diagram – DIAT AMP Section (1/4) – .......... 11
3-5.
Schematic Diagram – DIAT AMP Section (2/4) – .......... 12
3-6.
Schematic Diagram – DIAT AMP Section (3/4) – .......... 13
3-7.
Schematic Diagram – DIAT AMP Section (4/4) – .......... 14
3-8.
Printed Wiring Boards – POWER SUPPLY Section – .... 15
3-9.
Schematic Diagram – POWER SUPPLY Section – ........ 16
4.
EXPLODED  VIEWS
4-1.
Panel Section ................................................................... 23
4-2.
DIAT AMP/DIAT POWER Boards Section .................... 24
5.
ELECTRICAL  PARTS  LIST
................................ 25
3
TA-SB500WR2
SECTION  1
GENERAL
This section is extracted from
instruction manual.
LOCATION  OF  CONTROLS
Surround amplifier
A
POWER (ON/OFF)
B
POWER/ON LINE indicator
C
DIR-R1 jack
D
SURROUND L SPEAKER jack
E
SURROUND R SPEAKER jack
DIR-R1
SPEAKER
SURROUND L
SURROUND R
POWER
POWER ON-LINE
Front panel
Rear panel
TA-SB500WR2
4
Note:
 Follow the disassembly procedure in the numerical order given.
2-2. WIRE  COVER
This set can be disassembled in the order shown below.
2-1. DISASSEMBLY  FLOW
SECTION  2
DISASSEMBLY
2-2. WIRE COVER
(Page 4)
2-3. TOP PANEL
(Page 5)
2-4. SIDE PANEL,
FRONT PANEL BLOCK
(Page 5)
2-5. DIAT POWER BOARD
(Page 6)
2-6. DIAT AMP BOARD
(Page 6)
SET
4
wire cover
3
two claws
2
wire (A) holder
1
screw (B3 
×
 8)
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Here you can read online and download Sony TA-SB500WR2 Service Manual in PDF. TA-SB500WR2 service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony TA-SB500WR2 Audio. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.