Servo/System Control Block Diagram - Sony SLV-E830B Service Manual

3-3. SERVO/SYSTEM CONTROL BLOCK DIAGRAM

DRUM MOTOR
M901
OUTPUT
CN101 3 REC/PB
M OUTPUT
HALL
MATRIX
DEVICE
5Vp-p
25Hz
CN101 4 REC/PB
CAPSTAN MOTOR
5Vp-p
300Hz
M902
SW5V
U+
U–
HALL V+
DEVICE
V–
W+
W–
U
V
W
CAPSTAN
RP-231 BOARD
(SEE PAGE 4-5)
IC140
CTL AMP
CN302
6 1 3
CTL
HEAD
5
CN261
FOR CTL
4
CHECK
MA-316 BOARD
(SEE PAGE 4-14)
IC160
IC100
(1/2)
(1/2)
SERVO CONT
CN101 DRUM ERR INTEG
MTR12V
VCC 1 1
D VS + 5 REF 2.5V
2
2 7
–
6 74 DRUM DA
D PG
3 3 68 DRUM PG
PG
FG
D FG
4 4 69 DRUM FG
MTR12V SW5V
CN102
PS130
VM 7 7
VCC 1 1
LIMITER
TL 6 6 84 CAP TRQ PWM
99 STEP PLS
35 CAP STOP
IC100
(1/2)
CAP ERR INTEG
D107
C VS + 3 REF 2.5V
5 5 1
–
2 73 CAP DA
CAP RVS
2 2 72 CAP RVS
CAP FG
3 3 70 CAP FG
FG
CN102 3, IC160 &º
REC/PB
5Vp-p
758Hz
CN271 CN305
7 REC CTL
9 9
IC141
CTL
7 7 2 7 67 PB CTL
REC/PB AMP
Q141
GAIN
92 CTL GAIN
SWITCH
8 8 8 HYS HIGH
IC160 ^¶ REC/PB
5Vp-p
25Hz
CN104
1
LOADING
MOTOR
M
3
S100
MODE1
4
CAM
MODE2
ENCODER 3
( ) MODE3
MECHA
2
POSITION
MODE4
1
16
3-5
IC160 1,
REC/PB
100
IC160
SYSTEM CONTROL
5Vp-p
25Hz
D160
L161
D6V
54 AVDD
53 AVREF
89 VDD
90 5V
IC360 39 AF ENV 59 AF ENV
CN306 12 IC360 40 AF SWP 100 AF SWP
CN306 13 REC 96 REC
CN306 14 AF REC P 2 AF REC P
TO/FROM
AUDIO CN305 6 FULL ERS 36 FULL ERS
BLOCK
IC360 41 IC201 64 DATA (IIC) 28 SDA 0
IC360 42
IC201 63 CLOCK (IIC) 30 SCL 0
IC201 70 A MUTE 31 A MUTE
(SEE PAGE 3-8)
SW12V
64 T REEL FG
PH100
T REEL
FG
63 S REEL FG
PH101
S REEL
FG
61 T SENS
Q101
D6V TAKE END
SENSOR
D102
T/S LED
62 S SENS
Q100
SUPPLY END
SENSOR
Q102
LED
32 T/E LED
DRIVE
IC160 7 REC/PB
S101
15 REC PRF
REC
PROOF
42 XTAL
4Vp-p
25Hz X160
16MHz
43 EXTAL
IC160 $™ REC/PB
NTSC
4.43
S160
NTSC
55 NT PB SW
PB SW
ON PAL
TV
4Vp-p
16MHz
IC161
LOADING
MOTOR DRIVE
D131
MTR12V
8 VCC1
9 VCC2
2 CAM– IN1 3
10 CAM+ IN2 4 9 CAM2
22 MODE1
| |
19 MODE4
SLV-E830B/E830NP/E830VC1/E830VC2
(2/2)
80 DATA (SSB) CN306 5
DATA (SSB)
CLOCK (SSB) 81 CLOCK (SSB) CN306 4
RF SWP 1 RF SWP CN306 6
RF ENV 60 RF ENV CN306 7
AV ADJ 56 AV ADJ CN306 8
C SYNC 66 C SYNC IC201 37 ,CN306
Q VD 4 Q VD IC201 33
MESCAM 14 MESCAM IC201 65
NT JUDGE 13 NT JUDGE IC201 62
SECAM DET 12 SECAM DET CN307 1
SECAM MIX
SECAM MIX 71 Q660,661
SECAM ON 26 SECAM ON CN307 3
AV CONT 16 AV CONT Q501,502
C+ DET 17 C+ DET CN570 8
FOLLOW TV 57 Q820,821
FOLLOW TV
OSD S IC660 23
OSD S CLK IC660 22
24
OSD CS IC660
CG V IC660 11
H DET IC661 8
PW CONT1 Q663
PDC DAV IC850 9
SDA IC540 9
,IC850
SCL IC540 11 ,IC850
POWER SAVE CONT 23
Q613
S CLK 47
S IN 0 45
S OUT 0 46
ASURA RESET 40
ASURA CS 44
SCL TU701 19 TU702 33
SDA TU701 20 TU702 34
AFT TU701 10 TU702 24
TU ENABLE TU701 6 TU702 15
PLL CLOCK TU701 4 TU702 13
PLL DATA TU701 5 TU702 14
AUTO PRESET 5 AUTO PRESET Q703
SW1 18 SW1 TU701 21 TU702 35
SW2 51 SW2 TU701 22 TU702 36
MOD CONT 25 MOD CONT Q751,752
3-6
3
,CN307 7
TO/FROM
VIDEO
BLOCK
5
4
(SEE PAGE 3-3, 4)
CN600
POWER SAVE CONT
17
TO
POWER CONT1
11 POWER BLOCK
POWER CONT2
13
CN164
OSD CS
18
OSD SCLK
27
OSD S IN
26
POWER CONT2
22
POWER CONT1
21
SCL
14
SDA
13
PDC DAV
31 TO/FROM
MODE
CONTROL
H DET BLOCK
10
FR-128 BOARD
CG V CN181
30
(SEE PAGE 3-9)
S CLK
25
S OUT
24
S IN
23
ASURA RESET
19
ASURA CS
20
PLL DATA
17
PLL CLOCK
16
TU ENABLE
15
AFT
9
LANC IN
11
LANC OUT
12
CN165
2
CHECK
3
PIN
D6V 4
RFU750 6
RFU750 7
TO
TUNER
BLOCK
(SEE PAGE 3-11)