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SLV-GA30/GA50/GA66/GA70K/GA77K/GF80/GF90K/GF99K/P66/PH99
3-3. SERVO/SYSTEM CONTROL BLOCK DIAGRAM
3-5
3-6
DRUM MOTOR
OUTPUT
HALL
DEVICE
CAPSTAN MOTOR
M901
M902
HALL
DEVICE
U+
OUTPUT
MATRIX
M
VCC
7
1
5
3
PG
FG
CAPSTAN
FG
U-
V+
V-
W+
W-
U
LIMITER
D5V
V
W
VM
VCC
TL
1
6
5
2
3
7
1
6
5
2
3
7
CN205
D5V
CAP VS
CAP RVS
CAP FG
7
1
5
3
CN204
M12V
D5V
D VS
D PG
D FG
6
CN401
5
CTL
HEAD
CN203
M
CAM
MOTOR
CAM
ENCODER
MECHA
POSITION
(
(
MODE1
MODE2
MODE3
MODE4
IC201
SERVO CONTROL
(2/3)
DRUM DA
26
DRUM PG
39
DRUM FG
38
CAP QR
96
CAP VS
25
CAP RVS
55
CAP FG
40
CTL IN+
CAM
MOTOR DRIVE
IC202
CAM+
10
CAM-
2
4
IN2
IC201
SYSTEM CONTROL
(3/3)
S REEL FG
PH202
T REEL
FG
LED
DRIVE
Q203
T REEL FG
10M IN
M12V
PH201
S REEL
FG
T/S LED
D203
T SENS
S SENS
T/E LED
Q201
TAKE END
SENSOR
M12V
Q202
SUPPLY END
SENSOR
REC PRF
10M OUT
X201
10MHz
REC
PROOF
S202
CAM
MODE1
MODE2
MODE3
MODE4
16
4
4
CTL REF
CTL IN-
RESET 8
IC203
12V
RESET
D5V
D5V
CAP PWM
66
16
7
1
3
5V
REG
IC204
88
89
12
11
74
1
72
73
31
32
95
62
63
64
65
3
1
A SWP ADJ
9
V SWP ADJ
8
5V
5V
A SWP
ADJ
RV201
V SWP
ADJ
RV202
GF80/GF90K/GF99K
/PH99
67
POWER LED
V ENV
13
RF SWP
24
TV/VTR
80
QVD
27
V DATA
100
C SYNC
54
V CLK
99
KILL IN
19
SHARP 2
29
SHARP 1
20
SHARPNESS VR
94
NTSC
18
AU MUTE
21
AMS
58
PB
90
LINE 1
91
AF CLK
97
AF DATA
98
A ENV
14
AF SWP
23
REC P
17
RF SWP
IC101 81
V ENV
IC101 84
MESECAM DET
,Q220 C
QVD
IC101 51
C SYNC
IC101 50
V DATA
IC101 63
V CLOCK
IC101 62
KILL
IC101 64
SHARP 1
Q217
B
SHARP 2
Q218
B
SHARPNESS
IC101 17
NTSC
,Q204 B
AMS
Q581
C
A MUTE
IC101 99
PB
Q751
B
LINE 1
Q752
B
SDA
IC301 41
SCL
IC301 42
AF ENV
IC301 39
REC P
IC302 5
AF SWP
,IC301 40
IC302 1
TO/FROM
VIDEO
BLOCK
TO/FROM
AUDIO
BLOCK
POWER ON
IC502 4
TO
KARAOKE
BLOCK
3
KEY 1
4
KEY 2
4
1
CN207
LED POWER
LED POWER
KEY 1
4
1
CN605
ON
STANDBY
EJECT
S602
S601
3
3
KEY (1)
POWER
ON
Q602
POWER
ON
Q601
D601
EXCEPT
GA77K:PL/GF99K:PL
MODEL
FR-140 BOARD
MA-336 BOARD
FR-141 BOARD
1
2
KEY (1)
CN210
TEST
STOP
S606
PLAY
S607
FF
S608
SYNC
REC
S620
REW
S609
D602
+5V
EXCEPT GA30
CN604
1
3
4
5
1
3
4
5
CN208
KEY (2)
KEY (4)
SYNC REC
KEY 2
86
SYNC REC
EXCEPT GA30
LED
DRIVE
Q210
11
CN601
FR-142 BOARD
12
VIRTUAL
SOUND
S603
13
LINE 1
LINE 2
AUTO
PAL/MESECAM
NTSC
NTSC 3.58
NTSC 4.43
ON PAL TV
14
LINE
SELECT
S615
COLOR
SYSTEM
S605
NTSC
PB
S610
GA66/GA77K/GF80/GF90K/GF99K/PH99
EXCEPT GA77K:PL/GF99K:PL
GA66 /GA77K/GF99K
7
CN602
5
AUTO/
MANUAL
S611
ON SCREEN
DISPLAY
S612
SP
SP/EP
EP
S614
PICTURE
CONTROL
S613
6
5
4
3
2
KEY (4)
KEY 4
KEY (1)
KEY (2)
CN208
PAUSE
S204
6
KEY 4
5
KEY 3
87
SHARP LED
REC
S203
LED
DRIVE
Q207-209
Q211-213
Q211-213
Q233
MODE1
MODE2
MODE3
MODE4
92
ADJ-A
93
ADJ-B
56
TRACK LED
84
L LED
83
HF LED
85
R LED
81
REC LED
57
C IN LED
79
DNS 5 LED
REMOTE
CONTROL
RECEIVER
2
1
IC601
13
+5V
82
REMOCON
2
3
10
11
12
9
8
7
5
6
13
2
3
10
11
12
9
8
CN201
CN206
KEY 3
ADJ-A
ADJ-B
REMOCON
SHARPNESS LED
TRACKING LED
L LED
HIFI LED
R LED
DNS 5 LED
DNS 4 LED
14
CN601
CN201
13
15
12
11
9
8
2
3
1
4
5
7
8
78
DNS 4 LED
77
DNS 3 LED
76
DNS 2 LED
75
DNS 1 LED
REC LED
CASSETTE LED
TV/VTR LED
DNS 3 LED
DNS 2 LED
SURROUND LED
DNS 1 LED
7
DEST 2
61
SUR CONT 3
60
SUR CONT 2
59
SUR CONT 1
GA66/GA77K/GF99K
LED
DRIVE
Q221,222,226
TV
OTHER
TV
SYSTEM
S801
6
5
4
SR-C1
CN702
SR-35 BOARD
TO
SURROUND
BLOCK
CN701
SR-C2
SR-C3
D608
D603-607
D609
D610-612
D613
D614
D615,616
GF80/GF90K/GF99K/PH99
EXCEPT GA30
GA77K:PL/GF99K:PL
GA66/GA77K/GF99K
EXCEPT GA30
GF80/GF90K/GF99K/PH99 MODEL
GA77K:PL/GF99K:PL MODEL
RFU801 4
IC101 18
GA70K/GA77K
GF90K/GF99K MODEL
(SEE PAGE 4-7)
(SEE PAGE 3-10)
(SEE PAGE 4-23)
(SEE PAGE 4-24)
(SEE PAGE 4-21)
(SEE PAGE 3-9)
(SEE PAGE 3-8)
(SEE PAGE 3-4)
SW
Q250, 251
CN201
KR SW/
ECHO VR
ECHO VR
FROM
KARAOKE
BLOCK
KARAOKE
BLOCK
7
(SEE PAGE 3-10)
GF90K/GF99K
IC201
@£@¢
REC/PB
5Vp-p
25Hz
IC201
@∞
REC/PB
5Vp-p
1.18MHz
IC201
@§
REC/PB
5Vp-p
0.88MHz
IC201
#¡
REC
3.1Vp-p
25Hz
IC201
#™
REC
3.1Vp-p
25Hz
IC201
#•
REC/PB
4Vp-p
600Hz
IC201
#ª
REC/PB
4.1Vp-p
25Hz
IC201
$º
REC/PB
758Hz
4.6Vp-p
IC201
%¢
REC/PB
H
4Vp-p
IC201
&™
REC/PB
3.2Vp-p
10MHz
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