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4.17
CPU PIN FUNCTION
<SYSCON IC3001>
PIN NO.
LABEL
IN/OUT
1
SVSS
-
GND
CTLREF
-
CTL REFERENCE VOLTAGE
2
3
CTL(+)
IN/OUT CTL(+) SIGNAL
4
CTL(-)
IN/OUT CTL(-) SIGNAL
5
CTLBIAS
-
CTL BIAS VOLTAGE
6
CTLAMPOUT
OUT
CTL PULSE OUTPUT
7
CTLFB
IN
CTL PULSE FEEDBACK
8
CTLSMTIN
IN
CTL PULSE INPUT
9
CFG
IN
CAPST
AN 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
CVIN1
IN
COMPOSITE VIDEO SIGNAL INPUT(1)
17
CVIN2
IN
COMPOSITE VIDEO SIGNAL INPUT(2)
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 CLOCK
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 (SCRAMBLE:H)
28
KEY2
IN
OPERATION CONTROL SIGNAL
29
START_SENSOR
IN
START SENSOR
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
-
MECHANISM MODE DETECT(D)
34
LSC
-
MECHANISM MODE DETECT(C)
35
NORM/MESEC/S
IN
NORMAL MODE:L/MESECAM MODE:M/S VHS MODE:H
36
AVCC
-
SYSTEM POWER FOR ANALOG CIRCUIT
37
SP_FG
IN
DETECTION SIGNAL FOR SUPPLY REEL ROTATION/TAPE REMAIN
38
LSB
-
MECHANISM MODE DETECT(B)
39
REC_SAFETY
IN
REC SAFETY SWITCH DETECT (SW ON:L)
40
POWER_DET
IN
DETECTION SIGNAL
FOR POWER DOWN OF AC POWER SUPPLY
DETECTION SIGNAL FOR SVHS CASSETTE (SVHS:H)
41
S.CASS[H]/JSA
IN
/INPUT FOR THE JOG SHUTTLE
42
TU_FG
IN
DETECTION SIGNAL FOR TAKE-UP REEL ROTATION/TAPE REMAIN
43
SECAM_DET(H)
IN
DETECTION SIGNAL FOR SECAM ON P.B MODE (SECAM:H)
44
LM_FR(LMC1)
OUT
LOADING MOT
OR DRIVE
45
PB_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
OUT
CONTROL SIGNAL FOR SATELLITE RECEIVER
53
SAT_CTL
54
P.CTL(H)
OUT
CONTROL SIGNAL FOR SWITCHING POWER SUPPLY
55
CAP_REV(H)
OUT
CAPSTAN MOTOR REVERSE CONTROL (REV:H)
56
VCC
-
SYSTEM POWER
FUNCTION
PIN NO.
PIN NO.
LABEL
LABEL
IN/OUT
IN/OUT
57
VCC
-
SYSTEM POWER
58
DIG5
OUT
LED DRIVE
59
I2C_CLK2
OUT
SERIAL DATA TRANSFER CLOCK FOR MEMORY IC
60
I2C_DATA2
IN/OUT SERIAL DATA TRANSFER OUTPUT FOR MEMORY IC
61
I2C_CLK
OUT
SERIAL DATA TRANSFER CLOCK FOR MEMORY IC
62
I2C_DATA
IN/OUT SERIAL DATA TRANSFER OUTPUT FOR MEMORY IC
DIG4
OUT
LED DRIVE
63
64
DIG3
OUT
LED DRIVE
65
DIG2
OUT
LED DRIVE
66
DIG1
OUT
LED DRIVE
LSA
IN
MECHANISM MODE DETECT(A)
67
68
P50_OUT/ET_REC(H)
OUT
CONTROL SIGNAL FOR TV LINK/ET REC MODE:H
69
POWER_DET
IN
DETECTION SIGNAL FOR POWER DOWN OF AC POWER SUPPLY
70
P50_IN/VHS(H)
OUT
CONTROL SIGNAL FOR TV LINK/VHS MODE(H)
71
PROTECT
IN
DETECTION SIGNAL FOR SW POWER SUPPLY
RC
IN
REMOTE CONTROL DATA INPUT
72
73
SW2/CH_SW
IN
TUNER SYSTEM MODE:L /CHANNEL SWITCHING SIGNAL
74
FWE
OUT
FLASH WRITE ENABLE
75
X2
-
TIMER CLOCK (32.768KHz)
X1
-
TIMER CLOCK (32.768KHz)
76
77
RES
-
RESET TERMINAL
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
OUT
AV1 OUTPUT SWITCH CONTROL / R/F CONVERTER ON/OFF CONTROL
84
TU_A_MUTE(H)
OUT
TUNER
85
SB_GAIN
OUT
VOLTAGE CONTROL SIGNAL FOR VIDEO FREQUENCY RESPONSE
DETECTION OF VIDEO SYNC SIGNAL (DETECTED:H)/
86
SYNC_DET(H)/P.MUTE(L)
IN/OUT
PICTURE CONTROL (MUTE:L)
87
CH+B
OUT
AV2 OUTPUT SWITCH CONTROL
88
MESECAM(H)
OUT
MESECAM:H
89
SECAM(H)
OUT
COLOUR SYSTEM SECAM:H
90
PB_CTL1
OUT
PARALLEL CONTROLLER FOR CH+ IC (IN/OUT SWITCH)
91
SP_SHORT(H)
OUT
MODE SELECT
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
PLAYBACK MODE FOR PAL:H
96
FULL_E_ON(H)/YCO
IN
FULL ERASE ON:H
97
Y/C_OUT/EE(L)
-
Y/C OUT[H]/EE:L
98
N.REC_ST(H)
OUT
NORMAL AUDIO SOUND RECORDING START
99
TU_V_MUTE(H)
OUT
TUNER VIDEO CONTROL (MUTE:H)
100
N.REC_ST(H)
OUT
NORMAL AUDIO SOUND RECORDING START
101
CAPPWM
OUT
CAPST
102
AGC_CTL/SW1
IN
AGC CONTROL INPUT/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/TIMING
D.FF
OUT
105
CONTROL SIGNAL FOR REC
106
A.FF
OUT
AUDIO FF OUTPUT
107
CAP_CTL_V
OUT
CAPSTAN MOTOR CONTROL
108
DRUM_CTL_V
OUT
DRUM MOTOR CONTROL
V.PULSE
OUT
V.PULSE ADDITION TIMING CONTROL
109
110
VSS
-
GND
111
C.SYNC
IN
COMPOSITE SYNC
112
VCC
-
SYSTEM POWER
FUNCTION
FUNCTION
AUDIO MUTE CONTROL (MUTE:H)
AN MOTOR CONTROL
4-29
4-30
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