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CPU PIN FUNCTION
<SYSCON IC3001>
PIN NO.
LABEL
IN/OUT
FUNCTION
1
SVss
-
GND
2
CTLREF
-
CTL REFERENCE VOLTAGE
3
CTL(+)
-
CTL(+) SIGNAL
4
CTL(-)
IN/OUT CTL(-) SIGNAL
5
CTLBIAS
-
CTL BIAS VOLTAGE
6
CTLFB
IN
CTL PULSE FEEDBACK
7
CTLAMPOUT
OUT
CTL PULSE OUTPUT
8
CTLSMTIN
IN
CTL PULSE INPUT
9
CFG
IN
CAPSTAN FG PULSE INPUT
10
SVcc
-
SYSTEM POWER
11
AFCpc
OUT
AFC CLOCK(SYNC SEPARATOR FOR OSD/EXTERNAL CIRCUIT FOR AFC)
12
AFCosc
OUT
AFC CLOCK(SYNC SEPARATOR FOR OSD/EXTERNAL CIRCUIT FOR AFC)
13
AFCLPF
IN
FILTER OUTPUT FOR HORIZONTAL SYNCHRONIZING OF OSD CHARACTER
14
CSYNC/HSYNC
IN
COMPOSITE SYNC/HORIZONTAL SYNC
15
VLPF/VSYNC
-
NC
16
CVIN2
IN
COMPOSITE VIDEO SIGNAL INPUT(2)
17
CVIN1
IN
COMPOSITE VIDEO SIGNAL INPUT(1)
18
OVCC
-
SYSTEM POWER
19
CVOUT
OUT
COMPOSITE VIDEO SIGNAL OUTPUT
20
OVss
-
GND
21
FSCOUT
OUT
FSC OUTPUT FOR OSD
22
FSCIN
IN
FSC INPUT FOR OSD
23
AVss
-
GND FOR ANALOG CIRCUIT
24
AFC
IN
TUNING CHECK
CHANGES IN ATS+ IC OUTPUT AS CAUSED BY CHANGES IN RECEIVER SENSITIVITY
25
RF_AGC
IN
WHEN THE SAME CHANNEL IS RECEIVED MORE THAN ONCE ARE INPUT
26
VIDEO_ENV
IN
AUTO TRACKING DETECT/INPUT THE AVERAGE OF PLAYBACK VIDEO SIGNAL
27
SCR[H]
IN
SCRAMBLE CONTROL INPUT(SCRABLE:H)
28
KEY2
IN
OPERATION CONTROL SIGNAL
29
START_SENSOR/SECAM_DET
IN
START SENSOR/SECAM COLOR DETECT(SECAM:H)
30
KEY1
IN
OPERATION CONTROL SIGNAL
31
END_SENSOR
IN
END SENSOR
32
A.ENV/ND(L)
IN
AUDIO PB FM ENV.INPUT/NON HiFi MODE:L
33
LSD
IN
MECHANISM MODE DETECT(D)
34
LSC
IN
MECHANISM MODE DETECT(C)
35
S.DET
IN
DETECTION OF VIDEO SYNC SIGNAL(DETECED:H)
36
AVcc
-
SYSTEM POWER FOR ANALOG CIRCUIT
37
SP_FG
IN
DETECTION SIGNAL FOR SUPPLY REEL ROTATION/TAPE REMAIN
38
LSB
IN
MECHANISM MODE DETECT(B)
39
REC_SAFETY
IN
REC SAFETY SWITCH DETECT(SW ON:L)
40
S.CASS[H]
IN
DETECTION SIGNAL FOR SVHS CASSETTE(SVHS:H)
41
JSA
IN
INPUT FOR THE JOG SHUTTLE
42
TU_FG
IN
DETECTION SIGNAL FOR TAKE-UP REEL RORATION/TAPE REMAIN
43
SECAM_S.IMPOSE/DIG6
OUT
LED DRIVE
44
LM_FR(LMC1)
OUT
LOADING MOTOR DRIVE
45
P8_CTL2
OUT
PARALLEL CONTROLLER FOR CH+ IC (IN/OUT SWITCH)
46
D_A
OUT
LED DRIVE
47
D_B
OUT
LED DRIVE
48
D_C
OUT
LED DRIVE
49
D_D
OUT
LED DRIVE
50
D_E
OUT
LED DRIVE
51
D_F
OUT
LED DRIVE
52
D_G
OUT
LED DRIVE
53
DIG7/SAT_CTL
OUT
CONTROL SIGNAL FOR SATELITE RECEIVER/LED DRIVE
54
P.CTL[H]
OUT
CONTROL SIGNAL FOR SWITCHING POWER SUPPLY
55
CAP_REV[H]
OUT
CAPSTAN MOTOR REVERSE CONTROL(FWD:L/REV:H)
56
Vcc
-
SYSTEM POWER
PIN NO.
LABEL
IN/OUT
FUNCTION
57
Vss
-
GND
58
DIG5
OUT
LED DRIVE
59
12C_CLK2
OUT
SERIAL DATA TRANSFER CLOCK FOR MEMORY IC
60
12C_DATA2
IN/OUT SERIAL DATA TRANSFER OUTPUT FOR MEMORY IC
61
12C_CLK
OUT
SERIAL DATA TRANSFER CLOCK FOR MEMORY IC
62
12C_DATA
IN/OUT SERIAL DATA TRASFER OUTPUT FOR MEMORY IC
63
DIG4
OUT
LED DRIVE
64
DIG3
OUT
LED DRIVE
65
DIG2
OUT
LED DRIVE
66
DIG1
OUT
LED DRIVE
67
LSA
IN
MECHANISM MODE DTECT(A)
68
P50_OUT/SECAM_S.IMPOSE
OUT
CONTROL SIGNAL FOR TV LINK
69
POWER_DET
IN
DETECTION SIGNAL FOR POWER DOWN OF AC POWER SUPPLY
70
P50_IN/AV_IN[H]
IN
CONTROL SIGNAL FOR TV LINK
71
PROTECT
IN
DETECTION SIGNAL FOR SW POWER SUPPLY
72
RC
IN
REMOTE CONTROL DATA INPUT
73
SW2/CH_SW
IN
TUNER SYSTEM MODE:L/CHANNEL SWITCHING SINGNAL
74
FWE
OUT
FLASH WRITE ENABLE
75
X2
-
TIMER CLOCK(32.768KHz)
76
X1
-
TIMER CLOCK(32.768KHz)
77
RES
-
RESET TERMINAL(RESET ON:L)
78
OSC1(IN)
-
MAIN SYSTEM CLOCK(10MHz)
79
Vss
-
GND
80
OSC2(OUT)
-
MAIN SYSTEM CLOCK(10MHz)
81
VCL
-
SYSTEM POWER
82
MODE
-
NC
83
CH+A/CONV_CTL[H]
OUT
AV1 OUTPUT SWITCH CONTROL/ R/F CONVERTER ON/OFF CONTROL
84
ET_REC[H]
OUT
ET REC MODE:H
85
SB_GAIN
OUT
VOLTAGE CONTROL SIGNAL FOR VIDEO REQUENCY RESPONSE
86
SYNC_DET[H]
IN
DETECTION OF VIDEO SIGNAL(DETECTED:H)
87
CH+B
OUT
AV2 OUTPUT SWITCH CONTROL
88
MESECAM_DET
OUT
MESECAM:H
89
SECAM[H]/JSB
OUT
SECAM MODE:H
90
P8_CTL1
OUT
PARALLEL CONTROLLER FOR CH+ IC(IN/OUT SWITCH)
91
SP_SHORT[H]
OUT
MODE SELECT/FLYING ERASE ON:H
92
LP/EP_SHORT(H)
OUT
MODE SELECT
93
H.REC_ST(H)
OUT
HiFi AUDIO SOUND RECORDING START
94
A.MUTE(H)
OUT
AUDIO MUTE CONTROL(MUTE:H)
95
PAL_PB[H]
OUT
PAL FM(PB ON:H)
96
YCO
OUT
OSD CHARACTER SIGNAL
97
Y/C_OUT[H]EE[L]
OUT
Y/C OUTPUT MODE:H/EE MODE:L
98
TU_MUTE[L]
OUT
TUNER VIDEO CONTROL(MUTE:H)
99
R
-
NC
100
N.REC_ST[H]
OUT
NORMAL AUDIO SOUND RECORDING START
101
N.REC[H]
OUT
NORMAL AUDIO REC MODE CONTROL SIGNAL(REC:H)
102
SW1
OUT
TUNER SYSTEM MODE:H
103
CTL_GAIN
OUT
CONTROL AMP OUT FREQUENCY RESPONSE SWITCHING
104
DFG
IN
DRUM FG PULSE INPUT
ROTATION DETECTION SIGNAL FOR DRUM MOTOR
105
D.FF
OUT
/TIMING CONTROL SIGNAL FOR REC
106
A.FF
OUT
AUDIO FF OUTPUT
107
DRUM_CTL_V
OUT
DRUM MOTOR CONTROL
108
CAP_CTL_V
OUT
CAPSTAN MOTOR CONTROL
109
V.PULSE
OUT
V.PULSE ADDITION TIMING CONTROL
110
Vss
-
GND
111
C.SYNC
-
GND
112
Vcc
-
SYSTEM POWER
FDP GRID ASSIGNMENT AND ANODE CONNECTION
GRID ASSIGNMENT
K3
A
A
A
F
F
F
B
B
I
K2
G
G
G
J
C
C
E
E
E
K1
D
D
DIGIT 1
DIGIT 2
DIGIT 3
ANODE CONNECTION
No.
CONNECTION
1
CATHODE 1G, 2G, 3G, 4G, I, J
2
CATHODE 1F, 2F, 3F, 4F, K6
CATHODE 1E, 2E, 3E, 4E, K1
3
CATHODE 1D, 2D, 3D, 4D, K4
4
5
CATHODE 1C, 2C, 3C, 4C, K5
6
CATHODE 1B, 2B, 3B, 4B, K2
7
CATHODE 1A, 2A, 3A, 4A, K3
8
COMMON ANODE K3, K2, K5, K4, K1, K6, I, J
9
COMMON ANODE DIGIT 4
10
COMMON ANODE DIGIT 3
11
COMMON ANODE DIGIT 2
12
COMMON ANODE DIGIT 1
2-25
2-26
A
K6
F
B
B
K5
G
C
C
E
K4
D
DIGIT 4
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