Sony SLV-M20HF - Video Cassette Recorder, Service Manual

Page: 35 / 143

SLV-M20HF
3-5. MODE CONTROL BLOCK DIAGRAM
3-9 3-10
CN460
31
EXTAL
SCL 0
26
FROM/TO
SYSCON
BLOCK
SIRCS OUT
SIRCS IN
P CONT 2
P CONT 1
CG V
CG CS
H DET
VSET CS
S CK 0
S O 0
S I 0
SYS RESET
ASURA CS
PLL ENABLE
PLL CLOCK
PLL DATA
TU AFT
LANC IN
LANC OUT
FR-139 BOARD
F+
F-
-30V
VACUUM FLUORESCENT
INDICATOR TUBE
ND420
FROM
POWER
BLOCK
6 SIRCS OUT
SIRCS IN
P CONT 2
P CONT 1
CG V
CG CS
H DET
VSET CS
S CK 0
S O 0
S I 0
SYS RESET
ASURA CS
PLL ENABLE
PLL CLOCK
PLL DATA
AFT
LANC IN
LANC OUT
4
79
78
80
27
3
40
10
12
11
77
76
37
35
36
23
14
15
TIMER/TUNER
MODE CONTROL
IC460
REMOTE
CONTROL
RECEIVER
2
5 SDA
RESET
PULSE
GEN.
POWER
FAIL
DET.
6
8
5
7
1
IC463
IC464
29 JOG LED
20 A/D 4
19 A/D 3
42 DMS 2
41 DMS 1
REW
S411
18 A/D 2
CH+
S407
COMMAND
MODE
VTR 1/2/3
17 A/D 1
16
A/D 0
S405
LED
DRIVE
Q460 POWER ON
D460
D5V
SDA 0
28
BUZZER 7
6
SCL
7 MODE WP 13
IC462
EEPROM
BZ460
32 XTAL
73
TX
74 TEX
X460
16MHz
X461
32.768kHz
JOG LED
CN461
CN440
4
3
1
2
4
3
1
2
PAUSE
A/D 4
DMS 2
DMS 1
26
24
25
12
13
17
18
19
21
23
22
10
11
9
20
14
27
29
30
5
3
5
1
7
5
LED
DRIVE
Q440
JOG
D440
PAUSE
S444
S442 S443
JOG REC
DM-81 BOARD
2
3
4
5
1
CN441
STOP
COM
DMS 2
DMS 1
PLAY
PLAY
STOP
DUAL MODE
SHUTTLE
16
L182
71
62
D462
D463
D6V AVDD 24
VDD 72
VPP 75
RST
34
POWER FAIL 2
AV REF 25
MAIN/SAP
SAP
STEREO
MAIN/SAP
SAP DET
STEREO DET
38
39
5
16
15
28
44
59
G1
G10
SEG1
SEG16
CH
S409 S410
S406
INPUT
SELECT
CURSOR
S404
OK
S403 S408
EASY
SETUP
FF
S412
S441
EJECT
SMART
FILE
21 ML LED
LED
DRIVE
Q461
SMARTFILE
D464
D5V
S1
22 X CS
MUTE
CN464
CN004
2
3
5
1
6
7
8
4
SCK0
SO0
SI0
RESET
MUTE
SDA0
SCL0
X CS
SCK0
SO0
SI0
RESET
G RESET
X CS
8
7
5
9
4
3
2
6
CPD
IN
CNJ001
BOARD
AN-17
MG-21 BOARD
Q015
DSS IN 56
SCK0 48
SI0 49
31
32
SO0 50
RST 30
CS0 47
80 78
SDA0 SCL0
IC004
EEPROM
5 6
IC003
SMARTFILE CONTROL
IC002
53 SO1
52 SI1
51 SCK1
8 X RST
7 ANT SEL
9 REQ
10 TOTAGZ
60 SINT
14 GUIDE ON
15 MUTE
SI 44
SO
43
CLK 42
RST 5
ANT SEL 4
REQ 41
TOTAGZ 40
SINT 7
3
30
15 16 18 27
26
2 4
1
7
(FRONT)
SMARTFILE
SENSOR
(INNER)
SMARTFILE
SENSOR/WRITER
27 CAR L+
23 CAR L-
20 ANT L SW
21 MD L
31 CAR S+
29 CAR S-
37 ANT S SW
36 MD S
19 RD
IC001
Q001-003,005
Q007,010,016,017
Q004,006,008,009
Q011,012,018,019
CN001
2
1
2
1 1
VL+
VL-
CN101
BOARD
AN-16
CN002
2
1
2
1 1
VS+
VS-
CN201
15 XTAL
14 EXTAL
MUTE
BUFFER
IC502
IC331
IC401
IC311
IC311
IC311
IC301
IC402
X001
(SEE PAGE 4-31)
(SEE PAGE 3-6)
(SEE PAGE 4-29)
MANCHESTER CODE MOD./DEMOD.
/SERIAL TRANSFER CONTROL
13.56MHz
3
4
X502
4.03MHz
11
12
X501
14.31818MHz
30
26
30
71
70
69
36
39
26
66
67
X301
RAM
75 G LINK IN
G LINK OUT
OSCI
OSCO
76
77
78
79
1
(SEE PAGE 4-39,41,43)
(SEE PAGE 4-34)
(SEE PAGE 4-33)
8
48 49 50 53
H.VCO1
H.VCO2
CHR.VCO1
CHR.VCO2
VC.V.OUT
R.V.IN
VIDEO ENCODER
VIDEO SW
Q505
BUFFER
SYNC
SEP
Q351.352
2
11
·
14
21
22
33
30
·
·
25
23
ROM
G-LINK
CS0
D0
D7
A0
A17
RAS
NWE
CAS0
CAS1
Q302
CNJ301
R G B DVL ENBL
R G B DVL
Q353.354
EXTAL
XTAL
X002
16MHz
SDA
SCL
OSD V IN
TO/FROM
VIDEO
BLOCK
OSD V OUT
OSD V SYNC
OSD M SYNC
(SEE PAGE 3-4)
VIDEO H IN
VIDEO L IN
VIDEO IN
V SYNC IN
H SYNC IN
G RESET
SDA
SCL
GUIDE PLUS DECODER
C SYNC IN
IC502 3 H.VCO1
0.4Vp-p
4.03MHz
IC502
!¡
CHR.VCO1
40mVp-p
14.31818MHz
IC002 !∞
3.3Vp-p
13.56MHz
IC003
#™
3Vp-p
16MHz
IC301 ^§ OSCI
3.6Vp-p
4.0MHz
IC460 #™ REC/PB
4Vp-p
16MHz
IC460
&¢
REC/PB
2Vp-p
32.768kHz