Sony SLV-SE20 Service Manual page 32

Q Q
3 7 6 3 1 5 1 5 0
3-3. SERVO/SYSTEM CONTROL/TUNER BLOCK DIAGRAM
MA-338 BOARD
M12V
D110
CN101
VCC 1 1
M901
OUTPUT
D VS
2 2
M OUTPUT
IC162 (º DRUM PG
HALL
MATRIX
DEVICE 40msec
D PG
3 3
PG
DRUM MOTOR
FG
D FG
4 4
M12V M12V SW5V
SW5V
CN102
VM 7 7
U+
VCC 1 1
U-
LIMITER
HALL TL 6 6
V+
DEVICE
V-
W+
W-
U
CAP VS
M902 V 5 5
CAP RVS
2 2
W
T E
L 1 3 9 4 2 2 9 6 5 1 3
CAPSTAN
CAPSTAN CAP FG
3 3
MOTOR FG
IC162 *¶ CAP FG
CN140
757Hz
1
CTL CTL
HEAD HEAD
3
CN262
FOR CTL
4
CHECK
LOADING
CN104
MOTOR
1
M 2
3
S100
MODE1
4
CAM
MODE2
ENCODER 3
MODE3
MECHA 2
MODE4
POSITION
1
w w w
.
16
(SEE PAGE 4-13,19)
D5V
L160
D161
D6V
D160 L161 L140
IC160
IC162 (2/3)
SERVO CONTROL
IC162 *ª DRUM FG RESET
5 PULSE 6
77 DRUM ERR
GEN.
POWER
4.2Vp-p
300Hz 7 FAIL 8
DET.
4.6Vp-p
SW12V
90 DRUM PG
PH100
T REEL
FG
89 DRUM FG
PH101
S REEL
FG
PS120
Q101
D6V
TAKE END
SENSOR
D100
T/S LED
Q100
IC162 (∞ CTL IN+ REC
SUPPLY END
SENSOR
76 CAP ERR
Q102
LED
24 CAP RVS
DRIVE
25Hz 5.0Vp-p
17.734475kHz
IC162 #ª
(OUT)
87 CAP FG
X160
17.734475MHz
5.0Vp-p
IC162 #§ 32kHz (OUT)
4.5Vp-p X160
95 CTL +
32.768kHz
94 CTL -
3.1Vp-p
IC130
S101
LOADING
MOTOR DRIVE REC
PROOF
2 CAM -
IN2 4
10 CAM +
Q501,502 Q501,502 AV CONT
TO AV LINK
Q800-804
FROM AV LINK
Q540 B I CONT
CN750 8
C+ DET
IC200 16 ,IC850 5 IIC DATA
IC200 17 ,IC850 4 IIC CLK
IC200 14 Q VD
TO/FROM
VIDEO IC200 95 A MUTE
BLOCK
IC260 97
C ROT
(SEE PAGE 3-3,4)
IC260 6 RF ENV
IC260 2 COMP OUT
IC200 98 ,IC260 3 HA SWP
IC200 99 ,IC260 4 RF SWP
Q972 B ,Q204 B
SECAM ON
IC970 26 SECAM DET
x a o Q870 B SE ON
TO
y
AUDIO Q591 B A MUTE
BLOCK
Q580 B DEC/VTR
(SEE PAGE 3-7,8) i
3-5
http://www.xiaoyu163.com
8
IC162
(3/3)
SYSTEM CONTROL
IC161
37 VCC
TU700/
99 AVCC
TU701
98 AMP VCC (EEP) IIC DATA 32 5
EEPROM EEPROM
VHF/
(EEP) IIC CLK 31 6
UHF
34 RST TU AFT 3
EXCEPT
UX MODEL
R733
78 POWER FAIL TU SW1 83
TU SW2 84
R731
EXSEPT
EE,EG,UX MODEL
80 T REEL FG
T REEL
IC162 *º TAPE TOP PLAY
4.6Vp-p
79 S REEL FG 450msec
S REEL
IC162 &ª
TAPE TOP PLAY
5.0Vp-p
7 T SENS
1.4sec
FLD DATA 68
FLD CLK 70
FLD CS 66
6 S SENS
20 END LED
Q Q
3 7 6 3
38 IN REMOCON 14
39 OUT
35 32kHz IN
36 32kHz OUT
DMS+ 81 81
97 CTL AMP OUT DMS- 82
30 REC PRF
33 CAM
FU KEY1 5
MODE1 FU KEY2 4
29 MODE1
MODE2
EXCEPT
28 MODE2
10:AE1/AE2 MODEL
MODE3
27 MODE3
MODE4
26 MODE4 ON PAL
21 AV CONT
OSC IN 44
73 TO AV LINK
L660
85 FROM AV LINK
OSC OUT 45 ADJ SW
25 I CONT
86 C+ DET
72 IIC DATA
71 IIC CLK
IC162 $∞
OSC CHARA (OUT)
13 Q VD
15
C ROT
23.3MHz 4.6Vp-p
8 RF ENV
17 ENV SW
16 HA SWP MTR 12V CONT 64 MTR 12V CONT
18 RF SWP SW 12V CONT 65 SW 12V CONT
-14V CONT 74 -14V CONT
67 SECAM ON
60 SECAM DET
u 1 6 3
63 A MUTE
58 DEC/VTR
.
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SLV-SE10/SE20/SE25/SE30/SE40/SE45/SX10/SX25/SX40
2 4
9 9 8
V OUT 24 TU VIDEO IC200 40
TO/FROM
IN VIDEO
BLOCK
MOD V 6 MOD V CN500 19
(SEE PAGE 3-4)
OUT
23 AFT MOD A 2 MOD A IC360 12
TO/FROM
AUDIO
BLOCK
TU M 21 TUNER ( M)IC580 1 3
(SEE PAGE 3-7,8)
19 SW1
20 SW2
3 SDA
12 SDA
5 SCL
11 SCL
IC420
FL DRIVER
S1 43
ND420
S17 27
13 D IN
VACUUM FLUORESCENT
15 CLK
INDICATOR TUBE
G1 21
12 CS
G6 26
F + F -
LED (JOG) 19
TO
POWER BLOCK
IC460
1 5 D5V 1 5 0 8 9 2 4
REMOTE
1 CONTROL 2
RECEIVER
Q461
D461
LED
DRIVE
POWER
S460-466
FUNCTION
KEY
4.43
S160
NTSC PB
TO
CN262 5 VIDEO
BLOCK
(SEE PAGE 3-4)
TO
POWER BLOCK
(SEE PAGE 3-10)
m
c o
3-6
2
9 9
CN161
RESET
4
DATA
2
CHECK
CLOCK
3
30:EE/45 MODEL
9 8 2 9 9
DS-83 BOARD
(SEE PAGE 4-26)
45 MODEL ONLY
JOG
CN160 CN451 D450
JOG LED
1 1
DUAL MODE
SHUTTLE
CN450
DMS+
3 3 5
DMS-
PLAY
2 2 4
3
STOP
6 2
JOG
4 4 1
REW
5 5
FUNCTION
FF
7 KEY
7
PB/STOP
6 6
S450,455
(30:EE/45 MODEL)
S451-454
(EXCEPT 30:EE/45 MODEL)
S456
(45 MODEL)
30:EE MODEL ONLY
FI-15 BOARD
SURROUND
CN501 CN501 CN480
S485
SU SW SU SW
2 2
Q485
D485
SU LED CONT LED
1 1
DRIVE
(SEE PAGE 4-25)