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SLV-L56/L76HF/L86HF
3-4. SERVO/SYSTEM CONTROL BLOCK DIAGRAM
MA-323
BOARD (3/6)
(SEE PAGE 4-17, 19)
TV/VIDEO
PLL CLK
PLL DATA
PLL ENB
TUNER
AFT
SEE PAGE
F MONO
3-11
MAIN/SAP
TA MUTE
SAP DET OUT
STEREO DET OUT
L76HF/L86HF
IC161 &™ REC/PB
3.2 Vp-p (10 MHz)
L76HF/L86HF
DATA (IIC)
CLOCK (IIC)
AF SWP
AUDIO
AF ENV
SEE PAGE
AF REC P
3-9, 10
AF REC
FULL ERASE
REC P
A-MUTE
L86HF
AV IN SEL1
AV IN SEL2
LP. EP
VIDEO(2)
SEE PAGE
3-6
PICT CONT
VSDATA (SSB)
VCLK (SSB)
QVD
COMP SYNC
NTSC 3.58
RF ENV
VIDEO(1)
RF SWP
SEE PAGE
IC161 @¢ REC/PB
3-4
SCK1(SSB)
SD1(SSB)
KEY1
KEY2
4.9 Vp-p (2 V)
S-IN
S-OUT
MODE CONTROL
SEE PAGE
S-CLK
3-14
FLD CS
REMOCON
DMS DOWN
DMS UP
L86HF
POWER
SEE PAGE
P CONT
3-16
05
IC161 #• REC/PB
IC161 #ª REC/PB
4.2 Vp-p (360 Hz)
4.7 Vp-p (2 V)
IC161
(2/2)
SERVO/SYSTEM CONTROL
MODE CONTROL
61
TV/VIDEO
DRUM VS
26
98
PLL CLOCK
DRUM QR
58
100
PLL DATA
99
TU ENABLE
DRUM FG
38
6
TU AFT
1
F MONO
DRUM PG
39
MAIN SAP
21
67
TA MUTE
(IN) 32kHz
69
19
SAP BILL OUT
X162
20
STEREO OUT
32.768kHz
(OUT) 32kHz
70
56
IIC DATA
57
IIC CLOCK
(IN) 10MHz
72
X161
10MHz
(OUT) 10MHz
73
6
5
CAP VS
25
7
80
WRITE CONT
CAP QR
94
WR
CAP RVS
93
CAP TRQ PWM
66
IC163
EEP ROM
CAP FG
40
23
AF SWP
CAM MOTOR
14
AU RF
60
AF REC P
59
AF REC
CAM
83
4
IN 2
91
FULL ERASE
75
REC P
79
A MUTE
MODE1
84
MODE2
85
76
IN SEL1
MODE3
86
77
IN SEL2
MODE4
87
81
EP. LP
S101
T SENS
12
(REC PROOF)
Q101
T SENS
55
REC PRF
S SENS
11
Q103
Q100
PWM
DC
APC PWM
65
S SENS
CONV.
Q102
3
AFC ERROR
LED
27
QVD
END LED
74
DRIVER
C SYNC
54
17
3.58
T REEL
88
T REEL
FG
S REEL
13
VIDEO RF
89
S REEL
FG
24
RF SWP
62
SSB CLK
RESET
16
6
OUT 2
63
SSB DATA
POWER FAIL
8
8
OUT 1
7
FUNC KEY1
CTL (+)
31
5
FUNC KEY2
96
S-IN0
97
S-OUT0
CTL (–)
32
95
S-CLOCK0
L76HF/L86HF
FLD CS
90
HEAD AMP
H. AMP SW
29
82
REMOCON
SWITCH
DMS DOWN
9
CTL AMP1
34
DMS UP
4
CTL AMP3
36
92
CTL AMP OUT
37
P CONT
3-7
IC161 ^ª REC/PB
2.2 Vp-p (32.768 kHz)
DRUM MOTOR
(M901)
CN101
DVS
DRUM MOTOR
2
2
DRIVER
DFG
FG
4
4
PICK UP
DPG
PG
3
3
PICK UP
CAPSTAN MOTOR
(M902)
CN102
CAP VS
5
5
CAPSTAN
MOTOR
CAP RVS
2
2
DRIVER
CTR REF
SW +5V
4
4
LIMITTER
6
6
CAP FG
FG
3
3
PICK UP
IC130
IC161 $º REC/PB
CN103
DRIVER
2
CAM (+)
M
CAM (+)
10
•
M903
3
CAM (–)
CAM MOTOR
CAM (–)
2
1
S100
4 Vp-p (1 kHz)
ROTARY
SWITCH
MECHA
POSITION
D+6V
D102
PH100
PH101
IC162
POWER FAIL DET,
RESET PULSE
GENERATOR
CN161
CTL (X)
1
CTL
HEAD
IC161 #¡ REC
CTL (Y)
3
Q105
5 Vp-p (2 V)
IC161 #™ REC
5 Vp-p (2 V)
DRUM
MOTOR
M
CAPSTAN
MOTOR
M
3-8
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