HT-K5, STR-K5 - Sony Audio Service Manual (repair manual)

ht-k5, str-k5 service manual
Model
HT-K5 STR-K5
Pages
55
Size
5.33 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
ht-k5-str-k5.pdf
Date

Read Sony HT-K5 / STR-K5 Service Manual online

SERVICE MANUAL
FM STEREO/FM-AM RECEIVER
E Model
SPECIFICATIONS
STR-K5
STR-K5 is the receiver section in HT-K5.
Ver. 1.0  2006.03
9-887-119-01
2006C05-1
© 2006.03
Sony Corporation
Home Audio Division
Published by Sony Techno Create Corporation
This receiver incorporates Dolby* Digital and Pro 
Logic Surround and the DTS** Digital Surround 
System.
* Manufactured under license from Dolby 
Laboratories.
“Dolby”, “Pro Logic” and the double-D symbol are 
trademarks of Dolby Laboratories.
** “DTS” and “DTS Digital Surround” are registered 
trademarks of Digital Theater Systems, Inc.
Amplifier section
Power Output
1)
Models of area code SP, E51
(6 ohms 1 kHz, THD 0.7%)
FRONT
2)
:
80 W/ch
CENTER
2)
:
80 W
SURR
2)
:
80 W/ch
(6 ohms 1 kHz, THD 10%)
FRONT
2)
:
110 W/ch
CENTER
2)
:
110 W
SURR
2)
:
110 W/ch
1) Measured under the following conditions:
2) Depending on the sound field settings and the 
source, there may be no sound output.
Inputs (Analog)
Inputs (Digital)
Output (Analog)
Reproduction frequency range:
20 
 20,000 Hz
FM tuner section
Tuning range
87.5 
 108.0 MHz
Antenna
FM wire antenna
Antenna terminals
75 ohms, unbalanced
Intermediate frequency
10.7 MHz
Area code
Power requirements
SP, MY
230 V AC, 50 Hz
E51
240 V AC, 50 Hz
SA-CD/CD, DVD, 
VIDEO 1, 2
Sensitivity: 800 mV
Impedance: 50 k ohms
DVD (Coaxial)
Sensitivity: 
Impedance: 75 ohms
SA-CD/CD (Optical)
Sensitivity: 
Impedance: 
SUB WOOFER
Voltage: 2 V
Impedance: 1 k ohm
AM tuner section
Tuning range
Models of area code SP
With 9-kHz tuning scale: 531 
 1,602 kHz
Models of area code E51
With 10-kHz tuning scale: 530 
 1,610 kHz
3)
 
With 9-kHz tuning scale: 531 
 1,602 kHz
3)
 
Antenna
Loop antenna
Intermediate frequency
450 kHz
3) You can change the AM tuning scale to 9 kHz or 
10 kHz. After tuning in any AM station, turn off the 
receiver. While holding down TUNING +, press 
?/1. All preset stations will be erased when you 
change the tuning scale. To reset the scale to 10 kHz 
(or 9 kHz), repeat the procedure.
General
Power requirements
Power consumption
Power consumption (during standby mode)
0.2 W
Dimensions (w/h/d) (Approx.)
430 
× 
145 
× 
296 mm 
including projecting parts 
and controls
Mass (Approx.)
7.0 kg
Area code
Power requirements
SP, MY
230 
 240 V AC, 
50/60 Hz
E51
120/220/240 V AC,
50/60 Hz
Area code
Power consumption
SP, MY, E51
165 W
Design and specifications are subject to change 
without notice.
Abbreviation
E51 : Chilean and Peruvian models
MY : Malaysia model
SP
: Singapore model
2
STR-K5
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.
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.
About area codes
The area code of the receiver you purchased is 
shown on the lower portion of the rear panel (see 
the illustration below).
Any differences in operation, according to the area 
code, are clearly indicated in the text, for example, 
“Models of area code AA only”.
CENTER
L
L
R
S
FRONT
R
2-XXX-XXX-XX AA
Area code
TABLE  OF  CONTENTS
1.
GENERAL
...................................................................
3
2.
DISASSEMBLY
2-1.
Disassembly Flow ...........................................................
4
2-2.
Case .................................................................................
4
2-3.
Front Panel Assy ..............................................................
5
2-4.
KARAOKE Board/AC SELECT Board
(Chilean and Peruvian Models) .......................................
5
2-5.
MAIN Section .................................................................
6
2-6.
DIGITAL Board/MAIN Board ........................................
6
3.
TEST  MODE
..............................................................
7
4.
DIAGRAMS
4-1.
Block Diagram – AUDIO INPUT Section – ...................
8
4-2.
Block Diagram – MAIN Section – ..................................
9
4-3.
Block Diagram – KARAOKE Section – ......................... 10
4-4.
Block Diagram – PANEL Section – ................................ 11
4-5.
Block Diagram
– AUDIO OUT, POWER SUPPLY Section – ................. 12
4-6.
Schematic Diagram – MAIN Board (1/2) – .................... 14
4-7.
Schematic Diagram – MAIN Board (2/2) – .................... 15
4-8.
Printed Wiring Board – MAIN Board – .......................... 16
4-9.
Schematic Diagram – DIGITAL Board (1/3) – ............... 17
4-10. Schematic Diagram – DIGITAL Board (2/3) – ............... 18
4-11. Schematic Diagram – DIGITAL Board (3/3) – ............... 19
4-12. Printed Wiring Board
– DIGITAL Board (Component Side) – .......................... 20
4-13. Printed Wiring Board
– DIGITAL Board (Conductor Side) – ............................ 21
4-14. Printed Wiring Boards – MIC Section – ......................... 22
4-15. Schematic Diagram – MIC Section – .............................. 23
4-16. Printed Wiring Boards – DISPLAY Section – ................. 24
4-17. Schematic Diagram – DISPLAY Section – ..................... 25
4-18. Printed Wiring Board – KARAOKE Board – ................. 26
4-19. Schematic Diagram – KARAOKE Board – .................... 27
4-20. Printed Wiring Boards – POWER SUPPLY Section – .... 28
4-21. Schematic Diagram – POWER SUPPLY Section – ........ 29
5.
EXPLODED  VIEWS
5-1.
Overall Section ................................................................ 39
5-2.
Front Panel Section ......................................................... 40
5-3.
Chassis Section ................................................................ 41
5-4.
MAIN Section ................................................................. 42
6.
ELECTRICAL  PARTS  LIST
................................ 43
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.
3
STR-K5
SECTION  1
GENERAL
This section is extracted from
instruction manual.
Receiver
A.F.D. qg
D.B.F.B. (button/indicator) 8 
DISPLAY 5
Display 6
ECHO wh
INPUT MODE q;
INPUT SELECTOR qa
IR (receptor) ql
KARAOKE ON/OFF (button/
indicator) wj
KEY CONTROL #/2 4
MASTER VOLUME 9
MEMORY/ENTER qj
MIC 1 (jack) wf
MIC 2 (jack) wd
MIC 1 Tone knobs 
LOW, MID, HIGH 2
MIC 2 Tone knobs 
LOW, MID, HIGH 3
MIC 1 VOL wg
MIC 2 VOL ws
MOVIE qf
MUSIC qd
Music Tone knobs 
LOW, MID, HIGH 7
MUSIC VOLUME qs
SCORE (button/indicator) wa 
TUNING 
/+ qk
VOCAL SELECT (button/
indicator) w;
2CH qh
?/1 (power) 1
ALPHABETICAL ORDER
A - L
M - Z
NUMBERS AND SYMBOLS
6
4
2
3
1
w;
wa
qa
qs
q;
wd
wf
wh
5
8
9
ws
wg
wj
ql
7
qd
qf
qg
qh
qj
qk
STR-K5
4
Note:
 Follow the disassembly procedure in the numerical order given.
2-2. CASE
This set can be disassembled in the order shown below.
2-1. DISASSEMBLY  FLOW
Note 1: The process described in 
 can be performed in any order.
Note 2: Without completing the process described in 
, the next process can not be performed.
Note 3: Illustration of disassembly is omitted.
SECTION  2
DISASSEMBLY
1
two screws
(BVTP3 
×
 8)
2
two screws
(case 3 TP2)
2
two screws
(case 3 TP2)
3
case
2-2. CASE
(Page 4)
2-5. MAIN SECTION
(Page 6)
2-3. FRONT PANEL ASSY
(Page 5)
2-4. KARAOKE BOARD/AC SELECT BOARD 
(Chilean and Peruvian Models)
(Page 5)
2-6. DIGITAL BOARD/MAIN BOARD
(Page 6)
SET
Page of 55
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Download Sony HT-K5 / STR-K5 Service Manual (Repair Manual)

Here you can read online and download Sony HT-K5 / STR-K5 Service Manual in PDF. HT-K5 / STR-K5 service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony HT-K5 / STR-K5 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.