Servo/System Control Block Diagram - Sony SLV-L49 Service Manual

3-3. SERVO/SYSTEM CONTROL BLOCK DIAGRAM

MA-341 BOARD
M12V
D109
CN101
VCC 1 1
M901
OUTPUT
D VS
2 2
M OUTPUT
DRUM PG
IC160 (º
REC/PB
HALL
MATRIX
DEVICE 4.4Vp-p
30Hz
D PG
3 3
PG
DRUM MOTOR
FG
D FG
4 4
M12V M12V SW5V
SW5V
CN102
PS101
VM 7 7
U+
VCC 1 1
U-
LIMITER
HALL TL 6 6
V+
DEVICE
V-
W+
W-
U
CVS
M902
V 5 5
CAP RVS
W 2 2
CAPSTAN
CAPSTAN CAP FG
3 3
MOTOR FG
CN161
1
CTL
HEAD
3
LOADING
MOTOR CN103 CN103
1
M 2
3
S102
MODE1
4
CAM
MODE2
3
ENCODER
MODE3
MECHA 2
MODE4
POSITION
1
16
UNSW 5V
(SEE PAGE 4-9,13)
D5V
L161
D161
D6V
D162 L162 L163
IC162
IC160 (2/3)
SERVO CONTROL
RESET
5 PULSE 6
77 DRUM ERR
GEN.
POWER
7 FAIL 8
DET.
IC403
REMOTE
2 CONTROL 1
RECEIVER
90 DRUM PG
SW12V
PH102
89 DRUM FG T REEL
DRUM FG FG
IC160 *ª
REC/PB
PH101
S REEL
4.0Vp-p
FG
360Hz
Q101
D5V
TAKE END
SENSOR
D103 D103
T/S LED
76 CAP ERR
Q102
24 CAP RVS SUPPLY END
SENSOR
Q103
LED
87 CAP FG
DRIVE
4fsc (out)
IC160 #ª
REC/PB
S101
REC
PROOF
95 CTL +
14.31818MHz 5.0Vp-p
X160
94 CTL -
14.31818MHz
32kHz (OUT)
IC160 #§
REC/PB
IC101
X161
LOADING
32.768kHz
MOTOR DRIVE
32.768kHz 2.9Vp-p
2 CAM -
IN2 4
10 CAM +
MODE1
MODE2
OSC OUT
IC160 $∞ MODE3
REC/PB
MODE4
L500
24.9MHz 4.6Vp-p
L52/L72HF/L89HF MODEL
CN570 2 ARC DATA
CN570 3 ARC CLK
IC201 25 Q VD
IC201 28 ,IC260 5
C SYNC
TO/FROM
VIDEO IC260 6 RF ENV
BLOCK
IC260 2 ENV SW
(SEE PAGE 3-4)
IC201 97 ,IC260 3 HA SWP
IC201 98 ,IC260 4 RF SWP
IC201 96 C ROT
IC201 20
I2C DATA
IC201 21 I2C CLK
IC360 42 I2C DATA
TO/FROM
IC360 43 I2C CLK
AUDIO
BLOCK
(SEE PAGE 3-7)
IC360 44 AF ENV
IC360 41 AF SWP
TO AUDIO
BLOCK
Q301 B ,IC201 94 A MUTE
(SEE PAGE 3-8)
3-5
IC160 IC160
(3/3)
SYSTEM CONTROL
37 VCC
99 AVCC
98 AMP VCC
L49/L52/L59
X55 MODEL
34 RST 5 5 1 28 25
TU700
IN
VHF/
78 POWER FAIL
UHF
OUT
14 REMCON 13 12 11 27 4
PLL DATA 60
80 T REEL FG
PLL CLK 59
PLL ENABLE 61
TU AFT 3
ANT SEL 21
STEREO 85
79 S REEL FG
SAP 86
MAIN/SAP 83
F MONO 84
TA MUTE 62
7 T SENS
IC420
FL DRIVER
S1 15
S IN 69 5 D OUT
S16 30
S OUT 68 6 D IN
6 S SENS S CLK 70 8 CLK
G2 43
FLD CS 66 9 CS
G7 38
ARC 46
20 END LED
D410
L89HF MODEL
JOG 47
30 REC PRF
38 4fSC IN
39 4fSC OUT
35 32kHz IN DMS - 82
DMS + 81
36 32kHz OUT
S401,402,404,405
33 CAM
S408,412,422,423
FUNCTION
FUNC KEY1 5
KEY
29 MODE1
28 MODE2
FUNC KEY2 4
27 MODE3
26 MODE4
44 OSC IN
IC161
45 OSC OUT
I2C DATA 5
32
EEPROM
I2C CLK 31 6
42 ARC DATA
41 ARC CLK
C SYNC
IC160 %•
REC/PB
13 Q VD
58
C SYNC
8 V RF ENV
H
4.2Vp-p
17 ENV SW
KKP - 12
16 HA SWP
KKP + 11
18 RF SWP
15 C ROT
Q401
D405
72 I2C DATA LED
P CONT M12 64
DRIVE
71 I2C CLK POWER
P CONT M12
TO
9 P CONT SW12 POWER BLOCK
AF ENV P CONT SW12 65
(SEE PAGE 3-10)
19 AF SWP
22 AF REC P
63 A MUTE
SLV-L49/L52/L59/L69HF/L72HF/L79HF/L89HF/X55/X66HF
L69HF/L72 HF//79HF/
L83HF/X66HF MODEL
5 1 28 38 37
S701
TU701
RF UNIT
IN
3 CH 4 CH
VHF/
UHF
OUT
SW 2 2 SW
13 12 11 27 4 32 33 34 35 36
ND420
VACUUM FLUORESCENT
INDICATOR TUBE
F - F +
(SEE PAGE 4-23)
DS-84 BOARD
CN404 CN411 D441
JOG LED
9 9
DMS DOWN
8 8
DMS UP
7 7
EJECT JOG
6 6
CH - REW
4 4
FF
FUNCTION
2 2
KEY
PB/STOP
3 3
S441,445,447
(L89HF MODEL)
S442-444,446
(EXCEPT L89HF MODEL)
(SEE PAGE 4-22)
DI-70
BOARD
CN402
TIMER SEE
3 3
KKP -
2 2
KKP +
1 1
S901
DIAL TIMER
PUSH/TURN
3-6
RF VIDEO Q500 C FROM
VIDEO
TU VIDEO IC201 39
BLOCK
(SEE PAGE 3-4)
RF AUDIO IC360 13
TO/FROM
AUDIO L IC360 2 ,IC201 78
AUDIO
AUDI R IC360 3 BLOCK
(SEE PAGE 3-8)
L89HF MODEL
DUAL MODE
SHUTTLE
CN442
2
PLAY
1
4
STOP
3