Sony SLV-M20HF - Video Cassette Recorder, Руководство по обслуживанию

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SLV-M20HF
3-3. SERVO/SYSTEM CONTROL BLOCK DIAGRAM
3-5 3-6
DRUM MOTOR
OUTPUT
HALL
DEVICE
CAPSTAN MOTOR
M901
M902
HALL
DEVICE
U+
OUTPUT
MATRIX
M
VCC 1
2
3
4
PG
FG
CAPSTAN
FG
U-
V+
V-
W+
W-
U
LIMITER
SW5V
V
W
VM
VCC
TL
1
6
5
2
3
7
1
6
5
2
3
7
CN102
SW5V M12V
PS101
CVS
CAP RVS
CAP FG
IC100
CAP ERR
INTEG
D107
1
3
2
REF 2.5V
(2/2)
IC100
CAP ERR
INTEG
7
5
6
REF 2.5V
(1/2)
D109
1
2
3
4
CN101
M12V
M12V
D VS
D PG
D FG
6
1 3
IC141
CTL AMP
CTL
REC/PB
AMP
GAIN
SW
Q140
7 2
IC140
CN301
5
CTL
HEAD
1
CN103
3
2
M
LOADING
MOTOR
4
2
3
1
CAM
ENCODER
MECHA
POSITION
( (
CN103
MODE1
MODE2
MODE3
MODE4
IC161
SERVO CONTROL
(1/2)
DRUM DA 74
DRUM PG 68
DRUM FG 69
STEP PLS 99
CAP STOP 35
CAP DA 73
CAP RVS
72
CAP FG 70
REC CTL 7
PB CTL 67
CAP TRQ PWM 84
CTL HYSHIGH 92
CTL RESET 8
L101
LOADING
MOTOR DRIVE
IC101
VCC1 8
VCC2 9
CAM+ 2
CAM- 10
3 IN1
4 IN2
M12V
IC161
SYSTEM CONTROL
(2/2)
S REEL FG 63
PH102
T REEL
FG
LED
DRIVE
Q103
L161
AVREF 53
AVDD 54
VDD 89
5V 90
D161
D6V
T REEL FG 64
XTAL 42
SW12V
PH101
S REEL
FG
T/S LED
D103
T SENS 61
S SENS 62
T/E LED 32
Q101
TAKE END
SENSOR
D103
D6V
Q102
SUPPLY END
SENSOR
REC PRF 15
EXTAL 43
X160
16MHz
REC
PROOF
S101
CAM2 9
22
21
20
19
MODE1
MODE2
MODE3
MODE4
MODE1
MODE2
MODE3
MODE4
28 SDA 0
30 SCL 0
31 A MUTE
59 AF ENV
100 AF SWP
2 AF REC P
96 AF REC
12 S VHS
60 RF ENV
66 V SYNC
80 DATA(SSB)
81 CLOCK(SSB)
1 RF SWP
77 REC CONT
45 S IN 0
4 Q VD
P CONT1
P CONT2
IC980
SIRCS/CBC
I/O
REG
ON/OFF
12
STATUS
6
S IN 4
S OUT 5
9
CONTROL
S OUT
11 CONTROL
S IN
1 REG OUT
IN
OUT
CABLE BOX
CONTROL/
CONTROL S
CNJ981
CNJ980
46 S OUT 0
47 S CLK
40 ASURA RESET
44 ASURA CS
26 TV/VTR
11 TA MUTE
50 F MONO
5
I2C CLOCK1 IC360 42
FROM/TO
VIDEO
BLOCK
I2C DATA1 IC360 41
A MUTE IC201 70
AF ENV IC360 39
AF SWP IC340 1
AF REC P IC340 4
AF REC IC340 5
Q214
I2C DATA VIDEO IC201 64
I2C CLOCK VIDEO IC201 63
RF ENV
IC260 26
C SYNC IC201 37
S OUT1
IC260 19
S CLK1 IC260 20
RF SWP
IC260 17
Q VD IC201 33
FROM/TO
AUDIO
BLOCK
,IC260 18
,IC360 40
S O 0 IC500 23
S I 0 IC871 17
S CK 0
IC500 22
SYS RESET IC871 19
VSET CS IC871 32
H DET IC501 8
CG CS IC500 24
CG V
IC500 11
P CONT1 Q503
Q604
IC601 4
,IC871 16
,IC871 15
TO
POWER
BLOCK
49 CBC POWER
48
NICOLON
STEREO IC733 11
TU AFT TU700 33
PLL DATA TU700 21
PLL ENABLE TU700 22
TV/VTR TU700 4
SAP IC733 10
MAIN/SAP IC733 8
F MONO IC733 7
TA MUTE IC733 5
PLL CLOCK TU700 20
FROM/TO
TUNER
BLOCK
2
3
22
21
23
12
2
18
20
6
8
7
19
15
14
13
11
16
17
4
9
10
CN162
LANC OUT
LANC IN
SIRCS OUT
SIRCS IN
P CONT2
P CONT1
CG V
CG CS
H DET
VSET CS
SYS RESET
S CK 0
S O 0
S I 0
ASURA CS
PLL ENABLE
PLL CLOCK
PLL DATA
TU AFT
MAIN/SAP
SAP
STEREO
BLOCK
TO/FROM
MODE
CONTROL
3
4 D6V
CN165
FOR
CHECK
16
(SEE PAGE 4-8, 11, 26)
(SEE PAGE 3-8)
(SEE PAGE
3-3, 4)
(SEE PAGE 3-9)
(SEE PAGE 3-12)
S VHS ,IC201 65
MA-335 BOARD
IC161 1 REC/PB
IC161
IC161
$£
REC/PB
3Vp-p
16MHz
5Vp-p
30Hz
IC161 &º REC/ PB
IC161
^•
REC/PB
IC161
^ª
REC/PB
IC161 &£ REC/PB
IC161 &¢ REC/PB
IC161 7 REC
IC161 ^¶ REC
5Vp-p
360Hz
5Vp-p
360Hz
5Vp-p
1.078kHz
5Vp-p
30Hz
5Vp-p 360Hz
4Vp-p 30Hz
5Vp-p
30Hz
100