Servo/System Control/Tuner - Sony SLV-789HF Service Manual

3-3. SERVO/SYSTEM CONTROL/TUNER BLOCK DIAGRAM
MA-342 BOARD
(SEE PAGE 4-11,15)
M12V
D109
CN101
VCC 1 1
M901
OUTPUT
D VS
2 2
M OUTPUT DRAM PG
IC160 (º
REC/PB
HALL
MATRIX 30Hz
DEVICE
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-
IC160 *¶ CAP FG SP
W+
W-
U
1078Hz
CVS
M902 V 5 5
CAP RVS
W 2 2
CAPSTAN
CAP FG
CAPSTAN
3 3
MOTOR FG
CN161
1
CTL
HEAD
3
LOADING
MOTOR CN103 CN103
1
M
2
3
S102
MODE1
4
CAM
MODE2
ENCODER 3
MODE3
MECHA 2
MODE4
POSITION
1
16
UNSW 5V
D5V
D161 L161
D6V
D162 L162 L163
IC160
(2/3)
IC162
SERVO CONTROL
RESET
77 DRUM ERR
5 PULSE
GEN.
POWER
FAIL
7
DET.
4.6Vp-p
SW12V
DRAM FG
PH102
IC160 *ª
REC/PB
90 DRUM PG
T REEL
FG
360Hz
89 4.4Vp-p
DRUM FG
PH101
S REEL
FG
PS101
Q101
D6V
TAKE END
SENSOR
D103 D103
T/S LED
Q102
SUPPLY END
4.4Vp-p
SENSOR
76 CAP ERR
24 CAP RVS
S101
REC
87 CAP FG
PROOF
IC160 (∞ CTL+IN REC
5.0Vp-p
30Hz
95 CTL +
4fsc (OUT)
94 CTL - IC160 #ª
REC/PB
IC101
LOADING
14.31818MHz 5.0Vp-p
MOTOR DRIVE
2 CAM -
IN2 4
10 CAM +
32kHz (OUT)
IC160 #§
REC/PB
32.768kHz 3.0Vp-p
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
IC360 43
I2C CLK
TO/FROM
AUDIO IC360 44 AF ENV
BLOCK
IC360 41 AF SWP
(SEE PAGE 3-8)
Q301 B ,IC360 94 A MUTE
3-5
IC160 IC160 (3/3)
SYSTEM CONTROL
IC161
37 VCC
99 AVCC I2C DATA 32 5
EEPROM
98 AMP VCC I2C CLK 31 6
6 34 RST
PLL DATA 60
8 78 POWER FAIL PLL CLK 59
PLL ENABLE 61
TU AFT 3
80 T REEL FG ANT SEL 21
STEREO 85
86
SAP
MAIN/SAP 83
F MONO 84
79 S REEL FG TA MUTE 62
V SET CS 67
V SET RESET 100
7 T SENS
IC420
FL DRIVER
6 S SENS
5
S IN 69 D OUT
S OUT 68 6 D IN
S CLK 70 8 CLK
Q103
FLD CS 66 9 CS
LED
20 END LED
DRIVE
30 REC PRF
DMS - 82
DMS + 81
FUNC KEY1 5
38 4fSC IN
X160
14.31818MHz
39 4fSC OUT
35 32kHz IN
X160
FUNC KEY2 4
32.768kHz
36 32kHz OUT
OSC OUT
33 CAM
IC160 $∞
REC/PB
MODE1
29
MODE1
MODE2
28 MODE2
25.3MHz 4.2Vp-p
MODE3
27 MODE3
MODE4
26 MODE4
44 OSC IN
L500
45 OSC OUT
REMOCON 14
42 ARC DATA
41 ARC CLK
13 Q VD
58 C SYNC
8 V RF ENV
KKP - 12
17 ENV SW
KKP +
11
16 HA SWP
18 RF SWP
15 C ROT
72 I2C DATA
71
I2C CLK
CBC ON 10
SIRCS OUT 73
NICOLE 75
9 AF ENV
19 AF SWP
22
AF REC P P CONT M12 64 P CONT M12
63 A MUTE P CONT SW12 65 P CONT SW12
TU701
VIDEO 5 RF VIDEO Q500
DET 28 TU VIDEO IC201 39
IN
VHF/
UHF
OUT
AUDIO 1 RF AUDIO IC360 13
L 38 AUDIO L IC360
13 DATA
R 37 AUDIO R IC360
12 CLK
11 ENABLE
27 AFT
4 CONT S701
32 ST IND RF CH
33 SAP IND 3 CH
34 MODE SW 2
35 F MONO 4 CH
36 MUTE
V SET CS
V SET RESET
S IN 0
S OUT 0
S CLK 0
S1 15
ND420
S18 32
VACUUM FLUORESCENT
INDICATOR TUBE
G1 44
G7 38
ARC 46 F - F +
D410
CN404
REALITY REGENERATOR
JOG LED
JOG 47 9
DMS –
8
DMS +
7
EJECT
6
S401-406
SP/EP
5
FUNCTION
CH -
4
KEY
CH+
2
PB/STOP
3
CN403
POWER
2
P CONT M12
4
REMOCON
3
C SYNC
IC160 %•
REC/PB
H 4.2Vp-p
CN402
TIMER SET
3
KKP -
2
KKP +
1
IC980
SIRCS/CBC
I/O
REG OUT 1
4 SIRCS IN
CNJ980
12 REG ON/OFF CONTROL 9 OUT
S OUT
5 SIRCS OUT
CNJ981
6 STATUS OUT CONTROL 11
IN
S IN
TO
POWER BLOCK
3-6
SLV-789HF/792HF/799HF
RESET
4
S DATA FOR
2
CHECK
S CLK
3
CN104
TO/FROM
C
VIDEO
BLOCK
(SEE PAGE 3-4)
TO/FROM
2 AUDIO
BLOCK
3
(SEE PAGE 3-8)
IC871 32
IC871 19
TO/FROM
IC871 17 VIDEO
BLOCK
IC871 16
(SEE PAGE 3-4)
IC871 15
DM-84 BOARD
(SEE PAGE 4-24)
CN471 D462 (JOG)
DUAL MODE
9
SHUTTLE
CN472
8
4
PLAY
7 5
1
STOP
6 2
5
4
S462,464,466
S470,472,473
2
FUNCTION
3 KEY
MF-316 BOARD
(SEE PAGE 4-26)
S461
CN461
2 POWER
Q461
D461
LED
4
DRIVE
IC461
D5V
REMOTE
3 1 CONTROL 2
RECEIVER
DI-71 BOARD
(SEE PAGE 4-27)
CN901
S901
3
DIAL TIMER
2
PUSH/TURN
1
CABLE BOX
CONTROL/
CONTROL S