HT-DDW5500, STR-KM5500 - Sony Audio Service Manual (repair manual). Page 2

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STR-KM5500
2
1. 
SERVICING  NOTES
  .............................................   3
2. GENERAL
  ..................................................................   4
3. DISASSEMBLY

3-1.   Disassembly Flow  ..........................................................   11
3-2.   Case .................................................................................   11
3-3.   Back Panel Section, 
Video Standby Supply Board Section .............................   12

3-4.   Front Panel Section  ........................................................   12
3-5.   Digital AB Board ............................................................   13
3-6.   Main Board Section ........................................................   13
4. 
TEST  MODE 
 ............................................................   14
5. 
ELECTRICAL  CHECK 
 .........................................   16
6. DIAGRAMS

6-1.  Block Diagram - TUNER/AUDIO Section - ..................   18
6-2.  Block Diagram - DIGITAL AB Section - .......................   19
6-3.  Block Diagram - VIDEO Section - .................................   20
6-4.  Block Diagram - HDMI SW Section - ............................   21
6-5.  Block Diagram - KEY/DISPLAY Section - ....................   22
6-6.  Block Diagram - POWER Section - ...............................   23
6-7.  Printed Wiring Board - MAIN Board - ...........................   25
6-8.  Schematic Diagram - MAIN Board (1/3) - .....................   26
6-9.  Schematic Diagram - MAIN Board (2/3) - .....................   27
6-10.  Schematic Diagram - MAIN Board (3/3) - .....................   28
6-11. Printed Wiring Board 
 
- DIGITAL AB Board (Side A) - ....................................   29
6-12. Printed Wiring Board 
 
- DIGITAL AB Board (Side B) - ....................................   30

6-13.  Schematic Diagram - DIGITAL AB Board (1/3) -..........   31
6-14.  Schematic Diagram - DIGITAL AB Board (2/3) -..........   32
6-15.  Schematic Diagram - DIGITAL AB Board (3/3) -..........   33
6-16. Printed Wiring Boards 
 
- VIDEO STANDBY SUPPLY Section - ........................   34
6-17. Schematic Diagram 
 
- VIDEO STANDBY SUPPLY Section - ........................   35

6-18.  Printed Wiring Board - HDMI SW Board - ....................   36
6-19.  Schematic Diagram - HDMI SW Board - .......................   37
6-20. Printed Wiring Boards 
 
-
 
VIDEO2 DCAC, HEADPHONE Section - ..................   38
6-21. Schematic Diagram
 
-
 
VIDEO2 DCAC, HEADPHONE Section - ..................   39

6-22.  Printed Wiring Boards - DISPLAY, POWER Section - ..   40
6-23.  Schematic Diagram - DISPLAY, POWER Section - ......   41
6-24. Printed Wiring Boards 
 
-
 
TEMP-SENSOR, CONNECTION Section - ...............   42
6-25. Schematic Diagram 
 
-
 
TEMP-SENSOR, CONNECTION Section - ...............   42
6-26. Printed Wiring Boards 
 
-
 
AC SELECT Section - .................................................   43
6-27. Schematic Diagram 
 
-
 
AC SELECT Section - .................................................   43
7. 
EXPLODED  VIEWS
7-1. Case 
.................................................................................  55

7-1.  Front Panel Section .........................................................   56
7-2.  Back Panel Section .........................................................   57
7-3. Chassis 
Section 
...............................................................  58
8. 
ELECTRICAL  PARTS  LIST
  ..............................   59
TABLE  OF  CONTENTS
Design and specifi cations are subject to change 
without notice.
Halogenated fl ame retardants are not used in 
the certain printed wiring boards.
•  Abbreviation
 AR  : 
Argentina 
model
  E51 
: Chilean and Peruvian models
  EA 
: Saudi Arabia model
  MY 
: Malaysia model
  SAF 
: South African model
  SP 
: Singapore model
 TH  : 
Thai 
model
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.
Antenna
Loop antenna
Intermediate frequency
 
450 kHz
 
 
 
 
Video section
Inputs/Outputs
Video:
1 Vp-p, 75 ohms
COMPONENT VIDEO:
 
Y: 1 Vp-p, 75 ohms
P
B
/C
B
: 0.7 Vp-p, 75 ohms
P
R
/C
R
: 0.7 Vp-p, 75 ohms
80 MHz HD Pass Through
HDMI Video
4)5)
4)
The TV output resolution will depends on the
capability of TV and component.
5)
Not support Deep Color.
 
General
Power requirements
Area code
Power requirements
SP, SAF, MY 
230 – 240 V AC, 50/60 Hz
 
 
Power output (DIGITAL MEDIA PORT)
DC OUT:
5 V, 0.7 A MAX
System Control output
DC OUT:
5 V, 50mA MAX
Power consumption 200 W (STR-KM5500)
160 W (TA-KMSW500)
Power consumption (during standby mode)
0.3 W
Dimensions (width/height/depth) including
projecting parts and controls (Approx.)
  Receiver
430 × 158 × 342 mm 
  Power amplifier
430 × 158 × 332 mm
Mass (Approx.)
  Receiver
7.6 kg
  Power amplifier
6.6 kg
E51
120/220/240 V AC,
 
50/60 Hz
AR, TH 
220 – 230 V AC, 50/60 Hz
EA
120 – 127/220/240 V AC,
50/60 Hz
Ver. 1.1
Display
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