Sony TA-DK2 Service Manual ▷ View online
1
SERVICE MANUAL
E Model
TA-DK2
INTEGRATED STEREO AMPLIFIER
Amplifier section
Models of area code MY, SP
Stereo Power Output
Stereo Power Output
1)
6 ohms 1 kHz, THD 1 %
70 W + 70 W
Reference Power Output
1) 2)
6 ohms 1 kHz, THD 10 %
110 W/ch
1) Measured under the following conditions:
Area code
Power requirements
MY, SP
230 V AC, 50 Hz
2) Reference power output for front speakers.
Depending on the source, there may be no
sound output.
sound output.
Frequency response
Analog
20 Hz – 50 kHz
+0.5/–2 dB (with tone
bypassed)
+0.5/–2 dB (with tone
bypassed)
Inputs
Analog
Sensitivity: 800 mV/
50 kohms
S/N
50 kohms
S/N
3)
: 96 dB
(A, 800 mV
4)
)
Outputs (Analog)
SUB WOOFER
Voltage: 2 V/1 kohm
Tone
Gain levels
±6 dB, stepless
3) INPUT SHORT (with tone bypassed).
4) Weighted network, input level.
4) Weighted network, input level.
SPECIFICATIONS
General
Power requirements
Area code
Power requirements
MY, SP
230 – 240 V AC, 50/60 Hz
Power consumption
165 W
Power consumption (during standby mode)
0.2 W
Dimensions (w/h/d) (Approx.)
430
×
145
×
296 mm
including projecting parts
and controls
and controls
Mass (Approx.)
6.7 kg
Supplied accessories
Remote commander RM-AAU011 (1)
R6 (size-AA) batteries (2)
R6 (size-AA) batteries (2)
Design and specifications are subject to change
without notice.
without notice.
• Abbreviation
MY : Malaysia model
SP
SP
: Singapore model
Ver. 1.0 2006. 12
9-887-496-01
2006L04-1
© 2006. 12
Sony Corporation
Home Audio Division
Published by Sony Techno Create Corporation
2
TABLE OF CONTENTS
1. GENERAL
Description and location of parts ............................................. 3
2. DISASSEMBLY
2-1. Case ..................................................................................... 10
2-2. Front Panel Section ............................................................. 11
2-3. Back Panel Section .............................................................. 11
2-4. DIGITAL Board .................................................................. 12
2-5. MAIN Board ....................................................................... 12
2-6. STANDBY Board ............................................................... 13
2-2. Front Panel Section ............................................................. 11
2-3. Back Panel Section .............................................................. 11
2-4. DIGITAL Board .................................................................. 12
2-5. MAIN Board ....................................................................... 12
2-6. STANDBY Board ............................................................... 13
3. TEST MODE
..............................................................
14
4. DIAGRAMS
4-1. Block Diagram — Audio Section — ................................ 15
4-2. Block Diagram — Karaoke Section — ............................. 16
4-3. Block Diagram — Display Section — .............................. 17
4-4. Block Diagram — Power Section — ................................ 18
4-5. Printed Wiring Board — Main Section — ........................ 20
4-6. Schematic Diagram — Main Section (1/2) — .................. 21
4-7. Schematic Diagram — Main Section (2/2) — .................. 22
4-8. Printed Wiring Board — Digital Section (1/2) — ............ 23
4-9. Printed Wiring Board — Digital Section (2/2) — ............ 24
4-10. Schematic Diagram — Digital Section (1/2) — ............... 25
4-11. Schematic Diagram — Digital Section (2/2) — ............... 26
4-12. Printed Wiring Boards — Mic Section — ........................ 27
4-13. Schematic Diagram — Mic Section — ............................. 28
4-14. Printed Wiring Boards — Display Section— ................... 29
4-15. Schematic Diagram — Display Section— ........................ 30
4-16. Printed Wiring Board — Power Section — ...................... 31
4-17. Schematic Diagram — Power Section — ......................... 32
4-2. Block Diagram — Karaoke Section — ............................. 16
4-3. Block Diagram — Display Section — .............................. 17
4-4. Block Diagram — Power Section — ................................ 18
4-5. Printed Wiring Board — Main Section — ........................ 20
4-6. Schematic Diagram — Main Section (1/2) — .................. 21
4-7. Schematic Diagram — Main Section (2/2) — .................. 22
4-8. Printed Wiring Board — Digital Section (1/2) — ............ 23
4-9. Printed Wiring Board — Digital Section (2/2) — ............ 24
4-10. Schematic Diagram — Digital Section (1/2) — ............... 25
4-11. Schematic Diagram — Digital Section (2/2) — ............... 26
4-12. Printed Wiring Boards — Mic Section — ........................ 27
4-13. Schematic Diagram — Mic Section — ............................. 28
4-14. Printed Wiring Boards — Display Section— ................... 29
4-15. Schematic Diagram — Display Section— ........................ 30
4-16. Printed Wiring Board — Power Section — ...................... 31
4-17. Schematic Diagram — Power Section — ......................... 32
5. EXPLODED VIEWS
5-1. Case Section ........................................................................ 37
5-2. Front Panel Section ............................................................. 38
5-3. Back Panel Section .............................................................. 39
5-4. Chassis Section ................................................................... 40
5-2. Front Panel Section ............................................................. 38
5-3. Back Panel Section .............................................................. 39
5-4. Chassis Section ................................................................... 40
6. ELECTRICAL PARTS LIST
....................................
41
MODEL IDENTIFICATION
— BACK PANEL —
MODEL
PART No.
MY, SP
2-891-887-0s
• Abbreviation
MY
: Malaysia model
SP
: Singapore model
Part No.
TA-DK2
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.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.
3
TA-DK2
SECTION 1
GENERAL
This section is extracted
from instruction manual.
from instruction manual.
4
GB
Description and location of parts
Getting Started
Front panel
HIGH
HIGH
KEY
CONTROL
VOCAL
SELECT
DISPLAY
SCORE
MID
MIN
MAX
MIN
MAX
MIN
MAX
KARAOKE
ON/OFF
ECHO LEVEL
MID
LOW
MIC 1 VOL
MIC 2 VOL
MIC 1
MIC 2
LOW
HIGH
MID
LOW
KARAOKE
MUSIC VOLUME
INPUT SELECTOR
MUTING
D.B.F.B.
MASTER VOLUME
SPEAKERS
(OFF/A/B/A+B)
ECHO
DELAY
ECHO
REPEAT
BALANCE
L
R
?/1
qa
wf
qf
ql
wa
ws
qk
w;
qg
qh
qj
2
3
8
45
7
6
q;
9
qs
qd
wd
wg
1
Name
Function
A ?
/
1
(on/standby)
Press to turn the amplifier
on or off (page 16, 19, 20).
on or off (page 16, 19, 20).
B
MIC 1 Tone
knobs
knobs
(LOW/MID/HIGH)
Turn to adjust the
microphone 1 tone level
(page 23).
microphone 1 tone level
(page 23).
C
MIC 2 Tone
knobs
knobs
(LOW/MID/HIGH)
Turn to adjust the
microphone 2 tone level
(page 23).
microphone 2 tone level
(page 23).
D
KEY CONTROL
#
/
2
Press to adjust the pitch of
the music (page 25).
the music (page 25).
E
DISPLAY
Press to select information
displayed on the display
(page 28).
displayed on the display
(page 28).
F
Remote sensor
Receives signals from
remote commander.
remote commander.
G
Display
The current status of the
selected component or a
list of selectable items
appears here (page 6).
selected component or a
list of selectable items
appears here (page 6).
Name
Function
H
Music Tone
knobs
knobs
(LOW/MID/HIGH)
Turn to adjust the music
tone level (page 23).
tone level (page 23).
I
D.B.F.B.
Press to activate the
Dynamic Bass Feedback
(D.B.F.B.) function (page
22).
Dynamic Bass Feedback
(D.B.F.B.) function (page
22).
J
MASTER
VOLUME
VOLUME
Turn to adjust the volume
level of all speakers at the
same time (page 18, 19,
20).
level of all speakers at the
same time (page 18, 19,
20).
K
INPUT
SELECTOR
SELECTOR
Turn to select the input
source to playback (page
18, 19, 20, 22).
source to playback (page
18, 19, 20, 22).
L
MUTING
Press to mute the sound.
M
MUSIC VOLUME
Turn to adjust the music
volume level (page 22,
23).
volume level (page 22,
23).
4
TA-DK2
5
GB
Name
Function
N
SPEAKERS
(OFF/A/B/A+B)
(OFF/A/B/A+B)
Press to select OFF, A, B,
A+B of the front speakers
(page 17).
A+B of the front speakers
(page 17).
O
BALANCE L/R
Press to adjust the front
speakers balance level.
speakers balance level.
P
ECHO REPEAT
+/–
Press to adjust the
microphone’s echo repeat
times (page 27).
microphone’s echo repeat
times (page 27).
Q
ECHO DELAY
+/–
Press to adjust the
microphone’s echo delay
time (page 27).
microphone’s echo delay
time (page 27).
R
VOCAL SELECT
Press to select the vocal
type when singing
karaoke.
type when singing
karaoke.
S
SCORE
Press to activate the
scoring system (page 25).
scoring system (page 25).
T
MIC 2 VOL
Turn to adjust the
microphone 2 volume
level (page 22).
microphone 2 volume
level (page 22).
U
MIC 2 jack
Connects to a microphone.
V
MIC 1 VOL
Turn to adjust the
microphone 1 volume
level (page 22).
microphone 1 volume
level (page 22).
W
MIC 1 jack
Connects to a microphone.
X
ECHO LEVEL
Turn to adjust the
microphone’s echo level
(page 23, 26).
microphone’s echo level
(page 23, 26).
Y
KARAOKE
ON/OFF
Press to turn karaoke
function on or off (page
22).
function on or off (page
22).