Servo/System Control Block Diagram - Sony SLV-478 Service Manual

3-3. SERVO/SYSTEM CONTROL BLOCK DIAGRAM

MA-317 BOARD
IC160 &• REC/PB
DRUM MOTOR
CN101
VCC 1 MTR12V
2
OUTPUT
IC160 *¶ REC/PB
M OUTPUT
HALL
MATRIX
DEVICE
4Vp-p
D PG
3
PG
M901
FG
D FG
4
SW 5V
CAPSTAN MOTOR
PS101
AN5V
CN102
MTR12V
VM 7
U+
SW 5V
U– VCC
1
HALL V+
LIMITER
DEVICE
V– TL
6
W+
W–
U
CAP VS
5
V
CAP RVS
2
W
CAPSTAN
3
M902
FG
IC160 *∞ REC/ PB
4.4Vp-p
1.078kHz
CN161
CTL(X)
1
CTL
HEAD
CTL(Y)
3
IC160 (¡ REC
CN103
LOADING
1
MOTOR
M
2 .
3
S102
MODE1
CAM 4
MODE2
ENCODER
3
MECHA MODE3
2
POSITION
MODE4
1
IC160 !• REC/PB
(SEE PAGE 4-11, 17)
IC160 *§ REC/PB
IC160 !ª
IC160 (1/2)
4.5Vp-p
SERVO CONT
30Hz
5Vp-p
62.5kHz (SEE PAGES 3-3, 4)
DRUM ERR
78
S OUT1
IC260 19
IC260 20 S CLK1
IC260 26 VIDEO RF
RF SWP
IC260 17
TO/FROM
IC201 37 IC260 18 C SYNC
VIDEO
BLOCK
IC201 33 Q VD
S CLK0
IC501 2
IC501 4 S OUT0
CS
IC501 3
HIFI ONLY
360Hz
IC340 5 REC
REC P
IC340 4
86 DRUM PG
IC360 40 IC340 1 AF SWP
TO/FROM IC360 39 AF ENV
AUDIO
I2C DATAQ1
IC360 41
BLOCK
IC360 I2C CLOCK 1
42
87 DRUM FG
IC201 70 A MUTE
I2C DATA VIDEO
IC201 64
IC201 63 I2C CLOCK VIDEO
(SEE PAGES 3-7, 8)
IC161
(SEE PAGES 3-9, 10)
TU701 11 PLL DATA
TU701 PLL CLOCK
10
TO/FROM TU701 12 PLL ENABLE
TUNER
TU701 4 TV/VTR
BLOCK
IF702 TU AFT
6
IC733 7 F MONO
CAP ERR TA MUTE
77 IC733 5
IC733 MAIN/SAP
8
16 CAP RVS IC733 9 MAIN/SAP
IC733 STEREO
11
IC733 10 SAP
HIFI ONLY
IC160 &¶ REC/PB
85 CAP FG
5Vp-p
62.5kHz
TO
POWER
IC600
4
POWER CONT
IC160 (™ REC SUPPLY
Q600
BLOCK
4Vp-p 30Hz
D405
POWER
92
CTL IN+
CTL IN _
91
IC101
LOADING
MOTOR DRIVE
MTR12V 8 VCC1
9 VCC2
4Vp-p
90Hz
2 CAM–
IN2 4
CAM+
10
IC160 #• REC/PB
2.3Vp-p IC160 $¡ REC/PB
16MHz
2Vp-p
32kHz
3-5
(HiFi STEREO MODEL)
IC160 (2/2)
5Vp-p
SYSTEM/MODE CONT
30Hz
65 S OUT1 S IN 69
67 S CLK1 FLD CS 66
8 VIDEO RF
18 RF SWP
84 C SYNC
13 Q VD
70 S CLK0
68 S OUT0
64 OSD CS
L163
99
AVCC
50 REC AMP VCC 98
49 REC P
VCC 37
19 AF SWP CLSEL 36
9 AF ENV
22 I2C DATA 1
17 I2C CLOCK 1
P FAIL 75 8
A MUTE
48
FAIL DET
52 I2C DATA VIDEO
51 I2C CLOCK VIDEO
PULSE GEN
5
RESET 43 6
EEPROM 6
7 76 WP
100 PLL DATA
REMOCON 14
23 PLL CLOCK
24 PLL ENABLE
21 ANT SEL
3 TU AFT
15 F MONO
53 TA MUTE
74 MAIN/SAP
SIRCS OUT 73
45 MAIN/SAP
CBC ON 46 12 REG ON/OFF
12 STEREO
25 SAP
T REEL 80
30 REC PRF
S101
REC
PROOF
S REEL 79
56 P CONT
D5V
T SENS 7
Q401
LED
DRIVE
S SENS
6
Q103
END LED 20
DRIVE
FUNC KEY1 5
58 CW
S401 S402
POWER EJECT
MODE1
29
|
FUNC KEY2 4
26
MODE4
39
X160
16MHz
38
42
S404
X161
32.768kHz PAUSE
41
DMS UP 55
DMS DOWN 54
SLV-478/677HF/678HF/688HF/L47/L48/L57/
L58/L67HF/L68HF/L77HF/L78HF/X50/X60HF
ND420
VACUUM
FLUORESCENT
DISPLAY
G1-G5 P1-P16 F– F+
IC420
FL DRIVER
8 CLK G1
37
6 D IN G6 32
D OUT
5 15
F+
9 CS
S1 26
·
S16 28
F–
+
31
14 VDD VEE 27 –10V
38 VDD JOG LED
40
D162
D6V
D161
L161
IC162
7
POWER
RESET
5
IC403
REMOTE
1 CONTROL 2 D5V
RECEIVER
IC980
D6V
SIRCS/CBC I/O
4 SIRCS IN VCC
13
5 SIRCS OUT REG IN 14
REG OUT 1
S OUT
9
SW12V
PH102
T REEL
FG
PH101
S REEL
FG
Q101
TAKE END D5V
SENSOR
Q100
SUPPLY END
SENSOR
LED
L57,L58,L77HF,
L78HF,X50 MODEL
S403 S405 S412 D441
REC CH+
EASY
8 8 D5V
SETUP
REW
4 4
PB/STOP
3 3
FF
2 2
JOG
5 5
L57,L58,L77HF,
L78HF,X50 MODEL
S444 S446
S406
REW FF
CH–
S445 S447 S441
JOG REW FF
DMS UP
6 6
DMS DOWN
7 7
CN401 CN441
3-6
FROM
POWER
SUPPLY
BLOCK
688HF ONLY
CNJ980
CONTROL
S OUT
DS-79 BOARD
(SEE PAGE 4-23)
EXCEPT
L57,L58,L77HF
L78HF,X50 MODEL
CN443
REW
4
STOP SOCCER
3
BALL
RTN
2
L57,L58,L77HF,
L78HF,X50 MODEL
DMS BLOCK
S442
S443
PB CN442
STOP STOP
2
PLAY
1
SHUTTLE
JOG2
SWITCH
4
JOG1
5