Sony RMT-V259, Service Manual

Page: 66 / 93

5-4
5-6.
SER
V
O/SYSTEM CONTR
OL MICR
OPR
OCESSOR PIN FUNCTION (MA-373 BO
ARD IC162)
Pin No.
Pin Name
I/O
Function
1
DEST1
I
Destination identification input 1
2
DEST2
I
Destination identification input 2
3
TU AFT
I
AFT input from
TUNER f
o
r station selection
4
FU KEY2
I
Function k
e
y input (9 k
e
ys)
5
FU KEY1
I
Function k
e
y input (9 k
e
ys)
6
S
SENS
I
T
ape end sensor input
7
T
SENS
I
T
ape top sensor input
8
RF ENV
I
V
ideo RF en
ve
lope input
9
AF ENV
I
H
iFi en
v
e
lope input
10
MOD CONT
O
RF modulator ON/OFF control
11
KKP +
I
KKP 2-phase pulse B input
12
KKP -
I
KKP 2-phase pulse A input
13
QVD
O
Pseudo V
O
output
14
REMOCON
I
Remote control SIRCS signal input
15
CR
O
T
O
Head azim
u
th inf
o
rmation
16
HA SW
O
SP/EP head s
w
itching signal
17
ENV S
I
Identification signal of SP/EP head output compar
ison & detection
18
RF SWP
O
V
ideo RF s
w
itching pulse output
19
AF SWP
O
H
iFi s
w
itching pulse output
20
END LED
O
End sensor LED output
21
A
V
CONT
O
EUR
O 21 pin A
V
CONT signal output
22
AF REC P
O
HiFi record control signal
23
FULL ERS
O
Full er
ase control signal f
or A DUB
24
CAP R
V
S
O
In
v
e
rt
ed capstan signal
25
I CONT
O
EUR
O 21 pin-I CONT signal output
26
MODE 4
I
Cam encode data 4
27
MODE 3
I
Cam encode data 3
28
MODE 2
I
Cam encode data 2
29
MODE 1
I
Cam encode data 1
30
REC PRF
I
Saf
ety tab detection input
31
IIC CLK1 (EEP)
O
IIC clock (EEPR
OM control)
32
IIC D
A
T
A1 (EEP)
I/O
IIC data (EEPR
OM control)
33
CAM
O
Cam motor control signal
34
RESET
I
Reset input
35
32kHz (in)
I
Sub cloc
k input
36
32kHz (out)
O
Sub cloc
k output
37
VCC
–
P
o
w
e
r supply input ter
minal
(high speed mode:
4.0 to 5.5V
, lo
w speed mode:
2.6 to 5.5V)
38
17.734475MHz (in)
I
Main cloc
k input
39
17.734475MHz (out)
O
Main cloc
k output
40
VSS
–
Ground ter
m
inal
41
NICAM CLK
O
C
loc
k
f
o
r NICAM-ZWEI control
42
NICAM D
A
T
A
O
Data f
o
r NICAM-ZWEI control
43
CLK SEL
I
Selection of oscillation cloc
k when reset is canceled
“L
”:
sub cloc
k,
“H
”:
main & sub cloc
ks
44
OSC CHARA (IN)
I/O
Cloc
k input f
o
r OSD char
acter size
45
OSC CHARA (OUT)
I/O
Cloc
k output f
o
r OSD char
acter size
46
NUB
–
Connected to Ground
47
OSD LPF
I/O
Exter
nal filter that doub
les the FSC
, is connected to this ter
minal
48
L
P
O
“L
” at SP
,
“H
” at EP/LP
Pin No.
Pin Name
I/O
Function
49
OSD GND
–
Ground ter
m
inal of OSD/slicer
50
OSD
V IN
I
V
ideo signal input f
or OSD ov
er
la
y
51
OSD
W LEVEL
I
OSD white le
v
e
l input
52
OSD
V OUT
O
OSD video signal output
53
OSD VCC
–
P
o
wer supply input ter
minal f
o
r OSD/slicer (4.75
V to 5.25
V)
54
HLF (SLICER LPF)
I/O
LPF connection ter
minal f
o
r slicer/AFC
(This ter
m
inal is used as the HLF ter
minal when C
. Video is input to pin-56.)
55
OSD SECAM C IN
I
Color signal input f
or SECAM OSD
56
C
V IN (C SYNC IN)
I
Video signal input f
or tuner
’s station selection,
OSD and ser
v
o
sync signal detection (after passing filter)
57
N
U
A
–
Connected to Ground
58
DEC/VTR
O
Decoder/VTR s
w
itching
59
PDC D
A
V
I
PDC/VPS signal reception identification input
60
A
V
CONT IN/C+DET
I
CANAL + connection identification input
61
DIV CLK OUT/JOGLED CONT
O
T
e
rm
inal of using JOG LED output or adjustment
made output of cloc
k dividing frequency
62
T
A
MUTE
O
T
uner audio m
u
te signal output
63
A MUTE
O
A
udio m
u
te signal output
64
MTR12V CONT
O
Motor 12
V po
w
e
r control signal
65
SW5V CONT
O
SW 5
V po
w
e
r control signal
66
FLD CS
O
Chip selection signal f
or displa
y
tube dr
iv
er
67
SECAM ON
O
SECAM ON signal/surround audio control (s
witched b
y
destination)
68
T
O
FLD D
A
T
A
O
Serial data out CH0 (FLD)
69
18V CONT
O
18
V po
wer control signal
70
FLD CLOCK
O
Serial cloc
k CH0 (FLD)
71
SCL (VI/HF/TU/NICAM.
I/O
IIC cloc
k (video/HiFi/tuner/ARC/modulator/VPS control)
ZWEI/MOD/VPS/DNR)
72
SD
A (VI/HF/TU/NICAM.
I/O
IIC data (video/HiFi/tuner/ARC/modulator/VPS control)
ZWEI/MOD/VPS/DNR)
73
T
O
A
V
LINK
O
A
V
-LINK data output f
or comm
unication
74
-14V CONT
O
P
o
w
er sa
v
e
control
75
C+5V CONT
O
P
o
w
er sa
v
e
control
76
CAP ERR
O
Capstan error output
77
DR
UM ERR
O
D
rum error output
78
P F
A
IL
I
P
o
w
er f
a
ilure detection input
79
S REEL
I
Supply reel sensor input
80
T REEL
I
T
ak
e up reel sensor input
81
DMS +
I
DMS 2-phase pulse 1 input
82
DMS -
I
DMS 2-phase pulse 2 input
83
TU SW1
O
T
uner system BG/L selection signal
84
TU SW2
O
T
uner system BGL/L selection signal
85
FR
OM A
V
LINK
I
A
V
-LINK data input f
or comm
unication
86
SECAM DET
I
SECAM identification input
87
CAP FG
I
Capstan FG input
88
AMP VSS
–
Ground ter
m
inal f
o
r analog amplifier (connected to
Vss)
89
DR
UM FG
I
D
rum FG input
90
DR
UM PG
I
D
rum PG input
91
AMP VREF
OUT
–
Analog amplifier ref
erence po
w
e
r supply output ter
minal
92
AMP VREF
IN
–
Analog amplifier ref
erence po
w
e
r supply output ter
minal
93
RC CHECK
I
“No use (Fix to
“”
L””
on the outside f
or the ter
m
inal only f
o
r the input)
”