Servo/System Control Block Diagram - Sony SLV-798HF Service Manual

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3 7 6 3 1 5 1 5 0

3-3. SERVO/SYSTEM CONTROL BLOCK DIAGRAM

MA-318 BOARD
M12V
DRUM MOTOR
CN101
M901
VCC 1 1
OUTPUT
D VS
2 2
M OUTPUT
HALL
MATRIX
DEVICE
D PG
3 3
PG
FG
D FG
4 4
M12V M12V
CAPSTAN MOTOR
M902
SW5V
CN102
VM 7 7
U+
VCC 1 1
U- LIMITER
HALL TL 6 6
V+
DEVICE
V-
W+
W- D107
U
CVS
V 5 5
T E
L 1 3 9 4 2 2 9 6 5 1 3
CAP RVS
W 2 2
CAPSTAN CAP FG
3 3
FG
CN301
6
CTL
HEAD
5
LOADING
CN103 CN103
MOTOR
1
M 2
3
MODE1
4
CAM
MODE2
ENCODER 3
MODE3
2
( MECHA (
MODE4
POSITION
1
w w w
.
16
(SEE PAGE 4-8, 11, 26)
D109
IC100
(1/2)
IC161
CAP ERR (1/2)
INTEG REF 2.5V
SERVO CONTROL
5
7
6
74 DRUM DA
IC161 &¢ REC/PB
IC161 ^• REC/PB
5Vp-p
5Vp-p
360Hz
30Hz
68 DRUM PG
69
DRUM FG
IC161 ^ª REC/PB
SW5V
PS101
5Vp-p 360Hz
84 CAP TRQ PWM
99
STEP PLS
35 CAP STOP
IC100 (2/2)
IC161 &£ REC/PB
CAP ERR
INTEG REF 2.5V
3
1
2
73 CAP DA
5Vp-p
360Hz
72 CAP RVS
IC161 7 REC
70 CAP FG
IC161 &º REC/ PB
5Vp-p
1.078kHz
4Vp-p
7 REC CTL
IC161 ^¶ REC
IC141 IC140
CTL AMP
CTL
1 3
2 REC/PB 7 67 PB CTL
AMP
5Vp-p
30Hz
Q140
GAIN
92 CTL HYSHIGH
SW
8 CTL RESET
M12V
x a o
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i
3-5
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8
IC161
SYSTEM CONTROL
D161 L161
D6V 53 AVREF
54 AVDD
89 VDD
90 5V
SW12V
64 T REEL FG
PH102
T REEL
FG
63 S REEL FG
PH101
S REEL
FG
61 T SENS
Q101
D6V
TAKE END
SENSOR
D103 D103
T/S LED
62
S SENS
Q102
SUPPLY END
SENSOR
Q103
LED
32 T/E LED
Q Q DRIVE
3 7 6 3
S101
REC
15
REC PRF
PROOF
42 XTAL
X160
16MHz
30Hz
43 EXTAL
IC161 $£ REC/PB
3Vp-p
16MHz
IC101
LOADING
MOTOR DRIVE
L101
8 VCC1
9 VCC2
ASURA RESET
2 CAM+ IN1 3
10 9
CAM- IN2 4 CAM2
MODE1
22 MODE1
MODE2
21 MODE2
MODE3
20
MODE3
MODE4
19 MODE4
u 1 6 3
.
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2 4
9 9 8
(2/2)
SDA 0 28 I2C DATA1 IC360 41
SCL 0 30 I2C CLOCK1 IC360 42
A MUTE 31 A MUTE IC201 70
AF ENV 59 AF ENV IC360 39
AF SWP 100 AF SWP IC340
AF REC P IC340
AF REC P 2
AF REC 96 AF REC IC340
FE ON 6 FE ON Q832
FULL ERS Q932
FULL ERS 36
IC161 1 REC/PB
IC161 100
I2C DATA VIDEO IC201 64
I2C CLOCK VIED IC201 63
5Vp-p
30Hz
RF ENV 60 RF ENV IC260 26
IC201 37
V SYNC 66 C SYNC
DATA(SSB) 80 S OUT1 IC260 19
CLOCK(SSB) 81 S CLK1 IC260 20
RF SWP 1 RF SWP IC260 17
REC CONT 77
Q VD 4 Q VD IC201 33
S I 0 IC871 17
S O 0 IC500 23
S CK 0 IC500 22
SYS RESET
IC871 19
VSET CS IC871 32
H DET IC501
CG CS IC500 24
CG V IC500 11
P CONT1
Q503
Q604
P CONT1
P CONT2 IC601
1 5 1 5 0 8 9 2 4
IC980
SIRCS/CBC
I/O
REG OUT
REG
CDC POWER 49 12
ON/OFF
NICOLON 48 6 STATUS CONTROL
S OUT
4 S IN
5 S OUT CONTROL
S IN
40
S CLK 47
S IN 0 45
S OUT 0 46
ASURA CS 44
STEREO IC733 11
SAP IC733 10
MAIN/SAP IC733
m
TU AFT TU700 33
PLL DATA TU700 21
c o
PLL CLOCK TU700 20
PLL ENABLE TU700 22
F MONO IC733
F MONO 50
TA MUTE 11 TA MUTE IC733
TV/VTR 26 TV/VTR TU700 4
3-6
SLV-798HF/998HF
2
9 9
FROM/TO
1 ,IC360 40 AUDIO
BLOCK
4
(SEE PAGE 3-8)
5
,IC260 18
FROM/TO
VIDEO
BLOCK
(SEE PAGE
3-3, 4)
,IC871 16
,IC871 15
8
TO
POWER
4
BLOCK
9 8 2 9 9
1
CNJ980
9 OUT
CABLE BOX
CONTROL/
CONTROL S
CNJ981
11
IN
CN162
SIRCS OUT
5
SIRCS IN
3
P CONT2
22
P CONT1
21
CG V
23
CG CS
12
H DET
2
VSET CS
18
SYS RESET
20
S CK 0
6
TO/FROM
S O 0 MODE
8
CONTROL
S I 0
7 BLOCK
ASURA CS
19 (SEE PAGE 3-9)
PLL ENABLE
15
PLL CLOCK
14
PLL DATA
13
TU AFT
11
MAIN/SAP
16
SAP
17
STEREO
4
LANC IN
9
LANC OUT
10
8 CN165
2
FOR
3
CHECK
FROM/TO
D6V 4
TUNER
BLOCK
(SEE PAGE 3-12)
7
5