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CPU PIN FUNCTION
<SYSCON IC3001>
PIN NO.
LABEL
IN/OUT
1
SVss
-
GND
2
CTLREF
-
CTL REFERENCE VOLTAGE
3
CTL(+)
IN/OUT CTL(+) SIGNAL
4
CTL(-)
IN/OUT CTL(-) SIGNAL
5
CTLBIAS
-
CTL BIAS VOLTAGE
6
NC
-
NC
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
-
NC
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
NC
-
NC
22
FSCIN
IN
FSC INPUT FOR OSD
23
Avss
-
GND
24
BS_ANT/AFC
IN
TUNNING CHECK
25
LED
IN
LED CONTROL OF STEREO BROADCASTING MODE
AUTO TRACKING DETECT/
26
VIDEO_ENV
IN
INPUT THE AVERAGE OF PLAYBACK VIDEO SIGNAL
27
NC
-
NC
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
IN
MECHANISM MODE DETECT(D)
34
LSC
IN
MECHANISM MODE DETECT(C)
35
S_DET
IN
HiFi/NORMAL AUDIO DETECTION
36
Avcc
-
SYSTEM POWER
37
SP_FG
IN
DETECTION SIGNAL FOR SUPPLY REEL ROTATION/TAPE REMAIN
38
JUST_CLK/CH_SW
OUT
RF CONVERTER CHANNEL SELECT
39
REC_SAFETY
IN
REC SAFETY SWITCH DETECT(SW ON:L)
40
NC
-
NC
41
NC
-
NC
42
TU_FG
IN
DETECTION SIGNAL FOR TAKE-UP REEL ROTATION/TAPE REMAIN
43
SUB_RESET
OUT
DVD CPU RESET
44
LM_FR(LMC1)
OUT
LOADING MOTOR DRIVE
45
DIG1
OUT
LED DRIVE
46
DIG2
OUT
LED DRIVE
47
DIG3
OUT
LED DRIVE
48
12C_DATA
IN/OUT SERIAL DATA TRANSFER CLOCK FOR TUNER
49
12C_CLK
OUT
SERIAL DATA TRANSFER OUTPUT FOR TUNER
50
NC
-
NC
51
DIG4
OUT
LED DRIVE
52
DIG5
OUT
LED DRIVE
53
DIG6
OUT
LED DRIVE
54
DIG7
OUT
LED DRIVE
55
CAP.M_F/R
OUT
CAPSTAN MOTOR REVERSE CONTROL(FWD:H/REV:L)
56
Vcc
-
SYSTEM POWER
2-31
FUNCTION
PIN NO.
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
LABEL
IN/OUT
Vss
-
GND
LSA
IN
MECHANISM MODE DETECT(A)
D_A
OUT
LED DRIVE
POWER_DET
IN
DETECTION SIGNAL FOR POWER DOWN OF AC POWER SUPPLY
12C_CLK_AV
OUT
SERIAL DATA TRANSFER CLOCK FOR THE VIDEO/AUDIO IC
12C_DATA_AV
IN/OUT SERIAL DATA TRANSFER OUTPUT FOR THE VIDEO/AUDIO IC
S.CLK
OUT
SERIAL DATA TRANSFER CLOCK FOR DVD CPU
S.DATA_FR_SYS
OUT
SERIAL DATA TRANSFERMER OUTPUT FOR DVD CPU
S.DATA_TO_SYS
IN
SERIAL DATA TRANSFERMER INPUT FOR DVD CPU
D_B
OUT
LED DRIVE
D_C
OUT
LED DRIVE
D_D
OUT
LED DRIVE
BS_DIGI
-
NC
D_E
OUT
LED DRIVE
D_F
OUT
LED DRIVE
RC
IN
REMOTE CONTROL DATA INPUT
D_G
OUT
LED DRIVE
FWE
OUT
FLASH WRITE ENABLE
X2
-
TIMER CLOCK(32.768KHz)
X1
-
TIMER CLOCK(32.768KHz)
RES
-
RESET TERMINAL(RESET ON:L)
OSC1(IN)
-
MAIN SYSTEM CLOCK(10MHz)
Vss
-
GND
OSC2(OUT)
-
MAIN SYSTEM CLOCK(10MHz)
VCL
-
SYSTEM POWER
MODE
-
NC
HS_FFREW
OUT
HIGH SPEED FF/REW CONTROL
CONV.CTL[H]
OUT
RF CONVERTER DETECTION
SB_GAIN
OUT
VOLTAGE CONTROL SIGNAL FOR VIDEO FREQUENCY RESPONSE
PROTECT
IN
CONTROL SIGNAL FOR SWITCHING POWER SUPPLY
A.MUTE2[L]
OUT
AUDIO MUTE CONTROL FOR DVD AUDIO(MUTE:L)
SP_SHORT[H]
OUT
MODE SELECT
TU_V_MUTE[H]
OUT
TUNER VIDEO MUTE CONTROL(MUTE:H)
INT/PROG
OUT
INTERLACE/PROGRESSIVE SELECT
P.CTL[H]
OUT
POWER ON/OFF PULSE(POWER ON:H)
INT/PROG
OUT
INTERLACE/PROGRESSIVE SELECT
H.REC_ST(H)
OUT
HiFi AUDIO SOUND RECORDING START
A.MUTE(H)
OUT
AUDIO MUTE CONTROL(MUTE:H)
S1OUT
OUT
ADD THE DC BIAS TO S1 OUTPUT
NC
-
NC
NC
-
NC
SUB_REQ[L]
OUT
DVD CPU REQUEST:
N.REC[H]
OUT
NORMAL AUDIO REC MODE:H
N.REC_ST[H]
OUT
NORMAL AUDIO SOUND RECORDING START
LSB
IN
MECHANISM MODE SELECT(B)
DVD[H]
OUT
DVD MODE:H
CTL_GAIN
OUT
CONTROL AMP OUT FREQUENCY RESPONSE SWITCH IN
DFG
IN
DRUM FG PULSE INPUT
ROTATION DETECTION SIGNAL FOR DRUM MOTOR/
D.FF
OUT
TIMING CONTROL SIGNAL FOR REC
A.FF
OUT
AUDIO FF OUTPUT
DRUM_CTL_V
OUT
DRUM MOTOR CONTROL
CAP_CTL_V
OUT
CAPSTAN MOTOR CONTROL
V.PULSE
OUT
V.PULSE ADDITION TIMING CONTROL
Vss
-
GND
C.SYNC/V.REF
IN
DETECTION OF VIDEO SYNC SIGNAL
Vcc
-
SYSTEM POWER
FUNCTION
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