Table of Contents
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4-5. DISPLAY CONTROL BLOCK DIAGRAM
SW-323 BOARD
PAUSE
S455
S454
EJECT
FF
S401
COLOR
SYSTEM
S402
S403
VCD
PAL/AUTO
KARAOKE
(ON/OFF)
MESECAM
INPUT SELECT
NTSC
S407
S408
S409
S410
S411
S412
MENU
NEXT
VCD
PREV
MENU
ON/
PLAY
CLOSE
STANBY
D5V
D402
(RED)
ON/
D401,408
STANBY
(GRN)
D407
MENU
D406
1
D405
INPUT SELECT
2
(VHS)
D404
VCD
KARAOKE
(ON/OFF)
IO-65 BOARD
16
HI-66 BOARD
CN304
CN451
SUR SW
7
1
KEY4
6
2
S457
S456
S252
S253
REC
SELF
DUET
COLOR SW
5
3
KEY3
3
5
S453
S452
S451
S251
REV
STOP
REC
KARAOKE
ON/OFF
IC451
REMOTE
SIRCS
CONTROL
1
1
7
RECEIVER
CN401
CN303
KEY1
1
11
S404
S405
S406
S258
2
1
VCD
VHS
STOP
OUTPUT
SELECT
(VHS)
KEY2
2
10
S413
S414
S415
OPEN/
RETURN
PAUSE
STANBY/P ON
5
7
MENU
Q401
6
6
(H : ON)
LINE1
7
5
LINE2
8
4
LINE3
9
3
TUNER
10
2
VA SW
D5V
11
1
TIMER
REC
Q402
D403
D403
KARAOKE
(L : ON)
Q296
D5V
VHS
VCD
MJ-92
BOARD
CN601
CN290
J603
MIC CONT
CONTROL
1
1
4-9
DIGITAL
SOUND
EFFECTOR
S260
SUR
OFF
MONO
EXPANDER
CN305
CN780
KEY4
7
7
KEY3
S255
S256
6
6
KEY2
5
5
KEY1
4
4
LEVEL R
PROGRAM
8
8
LEVEL L
9
9
S250
ECHO VOL
10
10
MIC CTL
KARAOKE
11
11
MODE
KARAOKE
PON
OFF
VOCAL
ASSIST
D5V
RV292
ECHO
S257
VCD
IC321
LCD CONT.
13
Q9
12
Q8
11
Q7
10
Q6
9
Q5
5
Q1
D278
4
Q0
D276
6
Q2
D275
7
Q3
D273
8
Q4
DATA
2
D290-297
CLK
3
D299
15
Q11
D298
14
Q10
Q297
TU-168 BOARD
IC201
DISPLAY CONT.
CD RESET
14
CMD 0
35
CMD 1
36
IC701
CMD 2
37
CMD 3
38
4
CN780
CN305
2
KEY AD
SACK
39
3
16
16
16
KEY AD
5
QINT
2
1
MREQ
40
12
LOD IN
29
14
INF AD
LOD OUT
26
13
15
15
17
INF AD
15
OUT SW
41
11
IN SW
9
B
A
9
10
AN SW1
12
12
19
AN SW1
AN SW2
13
13
20
AN SW2
CD MUTE
42
SR O
15
SR CLK
13
KLAT
28
K REDY
5
4
RMC
P MUTE
27
SR DT1
8
IC201 #¡ REC/PB
31
EXTAL
X201
16MHz
32
XTAL
0.8Vp-p (16MHz)
OSD CS
79
74
TX
SYNC DET
3
X202
V SYNC
1
32kHz
73
TEX
IC202
ASURA SO
12
ASURA SI
11
TU D5V
5
6
34
RST
ASURA CLK
10
RESET
ASURA CS
78
D5V
7
8
80
ASURA RESET
P FAIL
77
ND301
FLUORESCENT
INDICATOR TUBE
44
S0
PLL ENABLE
6
63
S19
F+
F-
IIC DATA
22
64
IIC CLK
21
G0
71
G7
ATF IN
18
SW1
7
76
SRDT2
SW2
23
4-10
SLV-7700KME/7700KML
CN302
CD RESET
8
CMD 0
4
CMD 1
2
CMD 2
1
CMD 3
3
TO/FROM
VIDEO CD
SACK
5
BLOCK(2/2)
QINT
6
CD-169 BOARD
MREQ
CN301
7
(SEE PAGE 4-18)
LOD IN
12
LOD OUT
20
OUT SW
11
IN SW
16
CD-169
BOARD
CN301
CN304
CD MUTE
CD MUTE
13
13
27
SR O
SR O
19
19
20
SR CLK
SR CLK
TOFROM
10
10
25
KARAOKE.AUDIO I/O
KLAT
KLAT
14
14
22
BLOCK
K REDY
K REDY
MB-77 BOARD
15
15
24
P MUTE
P MUTE
CN605
18
18
19
(SEE PAGE 4-13)
SR DT1
SR DT1
17
17
23
CN301
SR SO
13
SR CLK
14
TO/FROM
OSD CS
8
VIDEO BLOCK
SYNC DET
MA-303 BOARD
18
V SYNC
CN901
19
(SEE PAGE 4-6)
ASURA SO
15
TO/FROM
ASURA SI
SYSTEM CONT.
16
BLOCK
ASURA CLK
17
MA-303 BOARD
ASURA CS
9
CN901
ASURA RESET
10
(SEE PAGE 4-12)
LEVEL METER L
TO/FROM
12
LEVEL METER R
AUDIO BLOCK
11
MA-303 BOARD
CN901
(SEE PAGE 4-8)
CN305
PLL DATA
18
PLL CLK
19
PLL ENABLE
17
IIC DATA
2
TO/FROM
IIC CLK
3
TUNER BLOCK
TU-168 BOARD
ATF IN
14
CN780
(SEE PAGE 4-19)
SW1
20
SW2
1
VA SW
21
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