Sony SLV-L56AR, Service Manual

Page: 27 / 134

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