Servo/System Control Block Diagram - Sony SLV-777HF Service Manual

3-3. SERVO/SYSTEM CONTROL BLOCK DIA GRAM
MA-327 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
7 7
VM
U+
VCC 1 1
U- LIMITER
HALL TL 6 6
V+
DEVICE
V-
W+
W-
CTL REF
4 4
U
CVS
V 5 5
CAP RVS
W 2 2
CAPSTAN CAP FG
3 3
FG
CN301
1
CTL
HEAD
3
LOADING
CN103 CN103
MOTOR
1
M
2
3
MODE1
4
CAM
MODE2
ENCODER 3
MODE3
2
( MECHA (
MODE4
POSITION
1
16
(SEE PAGE 4-8, 11, 22)
IC160 &• REC/PB
D109 D109
IC160
(1/2)
SERVO CONTROL
5Vp-p
62.5kHz
78 DRUM DA
IC160 *§ REC/PB
4.5Vp-p
30Hz
86 DRUM PG
87 DRUM FG
IC160 *¶ REC/PB
SW5V IC160 &¶ REC/PB
PS101
4Vp-p 360Hz
IC160 *∞ REC/PB
1.9Vp-p
2.2kHz
89 AMP VREF
77 CAP ERR
16 CAP RVS
85 CAP FG
IC160 (™ REC
2.2Vp-p
90Hz
92 CTL IN+
91 CTL IN-
IC160 (¡ REC
4Vp-p
90Hz
M12V
3-5
IC160
SYSTEM CONTROL
D161 L161
37
D6V VCC
98 AMP VCC
D162 L163
99 AVCC
IC162
RESET
5 6 43 RESET
PULSE
GEN.
POWER
FAIL
7 8 75 P FAIL
DET.
SW12V
80 T REEL FG
PH102
T REEL
I2C DATA VIDEO
FG
I2C CLOCK VIDEO
5Vp-p
79 S REEL FG
62.5kHz
PH101
S REEL
FG
7 T SENS
Q101
D6V
TAKE END
SENSOR
D103 D103
T/S LED
6
S SENS
Q102
SUPPLY END
SENSOR
Q103
LED
20 T/E LED
DRIVE
S101
IC160 #• REC/PB
REC
30 REC PRF
PROOF
2.3Vp-p
16MHz
38 16M
X160
16MHz
39 16M
IC160 $¡ REC/PB
41
32.7k
X161
32.768kHz
42 32.7k
2Vp-p
32kHz
IC101
LOADING
MOTOR DRIVE
8
VCC1
9 VCC2
2 CAM- IN1 3
10 CAM+ IN2 4 58 CW
MODE1
29 MODE1
MODE2
28 MODE2
MODE3
27 MODE3
MODE4
26 MODE4
(2/2)
IC160 !• REC/PB
EEP WP 76 7
IC161
IC160 !ª REC/PB
5
EEPROM
6
5Vp-p
30Hz
I2C DATA1
I2C DATA 1 22
I2C CLOCK 1 17 I2C CLOCK1
A MUTE
A MUTE 48
AF ANV 9 AF ANV
AF SWP 19 AF SWP
AF REC P 49 AF REC P
AF REC
AF REC 50
52 I2C DATA VIDEO
51 I2C CLOCK VIED
VIDEO RF 8 VIDEO RF
C SYNC 84 C SYNC
S OUT 1 65 S OUT1
S CLK 1 67 S CLK1
RF SWP 18 RF SWP
Q VD 13 Q VD
OSD CS 64 OSD CS
S OUT 0
S CLK 0
P CONT M 12 56 P CONT M12
P CONT SW12 59 P CONT SW12
-30V
F-
F-
IC980
SIRCS/CBC
I/O
REG OUT
REG
CBC ON 46 12
ON/OFF
6
NICOLE 63 STATUS CONTROL
REMCON 14 4 S IN
SIRCS OUT 73 5 S OUT CONTROL
S CLK 70
S OUT 0 68
S IN 0 69
FLD CS 66
FUNC KEY1 5
FUNC KEY2 4
DMS UP 54
DMS DOWN 55
F MONO 15 F MONO IC733
TA MUTE 53 TA MUTE IC733
MAIN/SAP MAIN/SAP IC733
74
MAIN/SAP 45 MAIN/SAP IC733
STEREO 12 STEREO IC733 11
SAP 25 SAP IC733 10
TU AFT 3 TU AFT IF702
PLL DATA 100 PLL DATA TU701 11
PLL CLOCK TU701 10
PLL CLOCK 23
PLL ENABLE 24 PLL ENABLE TU701 12
ANT SEL 21 TV/VTR TU701 4
3-6
SLV-777HF/778HF/788HF
CN104
RESET
5
WP
FOR
4
S DATA CHECK
2
S CLK
3
IC360 41
IC360 42
FROM/TO
IC201 70
AUDIO
BLOCK
IC360 39
(SEE PAGE 3-8)
IC340 1 ,IC360 40
IC340 4
IC340
5
IC201 64
IC201 63
IC260 26
IC201 37 ,IC260 18
FROM/TO
IC260 19
VIDEO
IC260 20
BLOCK
(SEE PAGE 3-3,4)
IC260 17
IC201 33
IC521 3
IC521 5
IC521 4
Q604
TO
IC601 4
POWER
CN603 3
BLOCK
CN603 2 (SEE PAGE 4-25)
CN603 1
1
CNJ980
9 OUT
S OUT CABLE BOX
788HF ONLY CONTROL/
CONTROL S
CNJ981
11
IN
S IN
CN162
F-
4
F+
12
-30V
6
P CONT M12
7
REMOCON
13
TO/FROM
S CK 0 MODE
10
CONTROL
S OUT 0
BLOCK
8
SIN 0
9 (SEE PAGE 3-9)
FLD CS
14
FUNC KEY1
11
FUNC KEY2
16
DMS UP
17
DMS DOWN
4
7
5
8
9
FROMTO
TUNER
BLOCK BLOCK
6
(SEE PAGE 3-12)