Sony TA-DK2 Service Manual ▷ View online
13
TA-DK2
2-6. STANDBY BOARD
1
CNP916 (5P)
2
CNP801 (5P)
3
CNP904 (2P)
4
CNP903 (3P)
5
three screws
(+BV3 (3-CR))
6
STANDBY board
14
TA-DK2
SECTION 3
TEST MODE
VACUUM FLUORESCENT DISPLAY TEST MODE
* All fluorescent segments are tested.
When this test is activated, all segments light on at the same
time, then each segment lights on one after another.
time, then each segment lights on one after another.
* Procedure:
While depressing the [VOCAL SELECT] and the [BALANCE R]
buttons simultaneously, press the
buttons simultaneously, press the
?/1
button to turn on the
main power.
1. ALL segments light on.
[KARAOKE ON/OFF], [VOCAL SELECT], [SCORE] and [D.B.F.B.]
LEDs light on.
LEDs light on.
2. Turn the [INPUT SELECTOR] control, confirm display.
[KARAOKE ON/OFF] and [SCORE] LEDs light on.
3. Turn the [INPUT SELECTOR] control, confirm display.
[VOCAL SELECT] and [D.B.F.B.] LEDs light on.
4. Turn the [INPUT SELECTOR] control, all segments and all LEDs
light off.
SOFTWARE VERSION DISPLAY MODE
* The software version is displayed.
* Procedure:
* Procedure:
While depressing the [ECHO DELAY +] and the [BALANCE R]
buttons simultaneously, press the
buttons simultaneously, press the
?/1
button to turn on the
main power.
The model name, destination and the software version are
displayed for a moment.
The model name, destination and the software version are
displayed for a moment.
KEY CHECK MODE
* Button check
* Procedure:
* Procedure:
While depressing the [ECHO DELAY ---] and the [BALANCE R]
buttons simultaneously, press the
buttons simultaneously, press the
?/1
button to turn on the
main power.
Either the message “REST 15” appears.
Every pressing of any button other than the
Either the message “REST 15” appears.
Every pressing of any button other than the
?/1
counts down
the buttons. The buttons which are already counted once are not
counted again. When all buttons are pressed “REST 00” appears.
counted again. When all buttons are pressed “REST 00” appears.
L
SW
C
R
SL
S
SR
SBL
SB SBR
LFE
SP A
96/24
MULTI CH IN
COAX
OPT
SLEEP
DIGITALEX
DTS-ES
x
II
PRO LOGIC
RDS
AAC
-2
MPEG
NEO:6
MONO
STEREO
EQ
D.RANGE
D D
D D
dB
Hz
k
ft.
m
MHz
MEMORY
DIRECT
SP B
L
SW
R
S
SB
LFE
A
96/24
COAX
SLEEP
EX
DTS
II
AAC
-2
NEO:6
STEREO
D.RANGE
dB
Hz
ft.
MEMORY
C
SL
SR
SBL
SBR
SP
MULTI CH IN
OPT
DIGITAL
-ES
x
PRO LOGIC
RDS
MPEG
MONO
EQ
D D
D D
k
m
MHz
DIRECT
SP B
TA-DK2
15
15
TA-DK2
4-1. BLOCK DIAGRAM — AUDIO SECTION —
(Page 16)
(Page 16)
(Page 18)
SECTION 4
DIAGRAMS
R-CH
L-CH
R-IN
L-IN
SW
SEL
C
SEL
SL
SEL
R-CH
R-CH
R-CH
DIR
FUNCTION SELECT
IC400
AVCC
DVDD
+7V
+3.3V
+7V
SEL
SW
MCU
I/F
SW OUT
L OUT
• Signal path
: AUDIO
: VIDEO (AUDIO)
: CD (ANALOG)
• R-ch is omitted due to
same as L-ch.
same as L-ch.
AUDIO IN
AUDIO IN
L
R
L
R
VIDEO 1
DVD
SYSTEM
CONTROL
IC1101 (1/4)
SA-CD/CD
L
R
L
R
J401
J402
VOL_DATA
VOL_CLK
32
31
31
VIDEO 2
-3
-4
-1
-2
-3
-4
-1
-2
AUDIO IN
AUDIO IN
26
27
24
25
25
14
49
48
40
41
SW-CH
33
21
20
19
16
R OUT
17
7
6
9
8
3
2
5
4
32
+3.3V REG
Q471
13
L
SEL
R-CH
KARAOKE
SECTION
B
KARAOKE
SECTION
A
POWER
SECTION
C
TA-DK2
16
16
TA-DK2
4-2. BLOCK DIAGRAM — KARAOKE SECTION —
(Page 15)
(Page 15)
• Signal path
: AUDIO
• R-ch is omitted due to same as L-ch.
5
7
MIC
TONE CONTROL
IC2000
MIC AMP,ECHO AMP
IC2004
MIC 1 AMP
IC2001 (2/2)
RV2000
MIC 1 VOL
RV2003
HIGH
J2000
MIC 1
MIC 1
KARAOKE
RV2002
MID
RV2001
LOW
6
7
MIX AMP
IC1104
MIX EFFECT
IC1103
3
1
BUFFER
IC2101 (1/2)
2
1
BUFFER
IC2102 (1/2)
L-IN
6
7
MIX AMP
IC1108
2
1
INVERTER
IC2301
BUFFER
IC104
SYSTEM CONTROL
IC1101 (2/4)
64
63
KARAOKE CONTROL
IC2300
7
MIC AMP
IC2003
ECHO LEVEL CONTROL
IC2010
RV2109
ECHO LEVEL
KARAOKE
16
18
20
14
12
5
23
2
3
22
6
5
4
TONE
KARAOKE
(MIC 1 TONE)
KARAOKE
(MIC 2 TONE)
TONE CONTROL
IC2100
RV2104
HIGH
RV2102
MID
RV2101
LOW
16
18
20
14
12
TONE
3
1
MIC 2 AMP
IC2001 (1/2)
RV2050
MIC 2 VOL
RV2053
HIGH
J2050
MIC 2
MIC 2
RV2052
MID
RV2051
LOW
RV2103
MUSIC
VOLUME
1
5
3
1
7
9
3
TONE
(MUSIC TONE)
77
75
74
SEL
R-CH
WR
STB
CLK
REQ
DATA
LOUT
MIC IN
L IN
R IN
ROUT
SRAM
KARA_RW
KARA_STB
KARA_CLK
KARA_REQ
KARA_DATA
INTERFACE
SRAM
36
1
95
34
4
96
33
3
6
8
10
97
24
ECHO_DATA
ECHO_SCK
ECHO_REQ
RPT_CRT_1
RPT_CRT_2
DATA
CLOCK
REQ
CTL2
CTL1
MIC_MUTE
4
65
2
66
6
3
8
9
67
52
53
35
34
32
33
MIC MUTE
Q1545,1548
REMOTE
ECHO
CONTROL
Q106-109
Q106-109
MUTE
CONTROL
Q1301
REPEAT ECHO
LEVEL
CONTROL
Q2002
REPEAT ECHO
LEVEL
CONTROL
Q2003
MUTE
Q1103
-1
-2
L
R OUT
SW OUT
L OUT
MIC
OUTPUT
J1501
R
AUDIO
SECTION
A
AUDIO
SECTION
B
PHASE
SHIFTER
LOGIC
EQ
2
1
SUB WOOFER AMP
IC1106
1
2
7
6
7
6
1
2
XOUT
XIN
LPF1 IN
LPF1 OUT
REQ
SCK
DATA
REQ
CLOCK
CTL1
CTL2
DATA
X2101
2MHz
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