Servo/System Control Block Diagram - Sony SLV-662HF Service Manual

Q Q
3 7 6 3 1 5 1 5 0

3-3. SERVO/SYSTEM CONTROL BLOCK DIAGRAM

MA-341 BOARD
M12V
D109
CN101
VCC 1 1
M901
OUTPUT
D VS
2 2
M OUTPUT
IC160 (º
HALL
MATRIX
DEVICE
30Hz
D PG
3 3
PG
DRUM MOTOR
FG
D FG
4 4
M12V M12V SW5V
SW5V
CN102
7 7
VM
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
T E
L 1 3 9 4 2 2 9 6 5 1 3
CN161
1
CTL
HEAD
3
CAM
CN103 CN103
MOTOR
1
M 2
3
S102
MODE1
4
CAM
MODE2
3
ENCODER
MODE3
MECHA 2
MODE4
POSITION
1
w w w
.
16
(SEE PAGE 4-9,13)
UNSW 5V
D5V
L161
D161
D6V
D162 L162 L163
IC162
IC160 (2/3)
SERVO CONTROL
RESET
5 PULSE
77 DRUM ERR
GEN.
POWER
7 FAIL
DRUM PG
REC/PB DET.
IC403
4.4Vp-p
REMOTE
2 CONTROL
RECEIVER
90 DRUM PG
SW12V
PH102
89 DRUM FG T REEL
FG
DRUM FG
IC160 *ª
REC/PB
PS101
PH101
S REEL
FG
4.0Vp-p
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
S101
REC
PROOF
95 CTL +
4fsc (out)
IC160 #¢ REC/PB
X160
94 CTL -
14.31818MHz
32kHz (OUT)
IC160 #§
REC/PB
IC101
14.31818MHz 5.0Vp-p
X160
LOADING
32.768kHz
MOTOR DRIVE
2
CAM -
32.768kHz 2.9Vp-p
IN2 4
10 CAM +
OSC OUT
IC160 $∞ REC/PB
24.9MHz 4.6Vp-p
IC201 25 Q VD
IC201 28 ,IC260 5
C SYNC
IC260 6
RF ENV
TO/FROM
VIDEO
IC260 2 ENV SW
BLOCK
IC201 97 ,IC260 3 HA SWP
(SEE PAGE 3-4)
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
x a o IC360 41 AF SWP
y
TO AUDIO BLOCK
Q301 B ,IC360 94 A MUTE
(SEE PAGE 3-8)
i
3-5
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8
IC160 IC160
(3/3)
SYSTEM CONTROL
37 VCC
99 AVCC
98 AMP VCC
6 34 RST
8 78 POWER FAIL
1 14 REMCON
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
83
MAIN/SAP
F MONO 84
TA MUTE 62
7 T SENS
IC420
FL DRIVER
S1 15
5
S IN 69 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
20 END LED
Q Q
3 7 6 3
30 REC PRF
38 4fSC IN
39 4fSC OUT
35 32kHz IN
36 32kHz OUT
S401,402,404,405
33 CAM
S408,412,422,423
FUNCTION
FUNC KEY1 5
MODE1
29 MODE1
MODE2
28 MODE2
FUNC KEY2 4
MODE3
27 MODE3
MODE4
26 MODE4
44 OSC IN
L500 IC161
45 OSC OUT
I2C DATA 32 5
EEPROM
6
I2C CLK 31
C SYNC
IC160 %•
REC/PB
13 Q VD
58 C SYNC
8
V RF ENV
H 4.2Vp-p
17 ENV SW
16 HA SWP
18 RF SWP
15 C ROT
Q401
72
I2C DATA LED
P CONT M12
64
DRIVE
71 I2C CLK
P CONT M12
9 AF ENV P CONT SW12 65 P CONT SW12
u 1 6 3 19
AF SWP
22 AF REC P
63 A MUTE
.
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2 4
9 9 8
5 1 28 38
S701
TU701
RF UNIT
IN
3 CH 4 CH
VHF/
UHF
OUT
2 SW
13 12 11 27 4 32 33 34 35 36
ND420
VACUUM FLUORESCENT
INDICATOR TUBE
F - F +
1 5 1 5 0 8 9 2 4
REW
4 4
KEY
FF
2 2
PB/STOP
3 3
1
D405
POWER
m
TO
POWER BLOCK
(SEE PAGE 3-10)
c o
3-6
SLV-662HF/679HF
2
9 9
FROM
RF VIDEO Q500 C
VIDEO
TU VIDEO IC201 39 BLOCK
(SEE PAGE 3-4)
RF AUDIO IC360 13 TO/FROM
AUDIO
AUDIO L IC360 2
BLOCK
AUDI R IC360 3
(SEE PAGE 3-8)
37
9 8 2 9 9
(SEE PAGE 4-22)
DS-84 BOARD
FUNCTION
KEY
S442,443,444,446