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CPU PIN FUNCTION
<SYSCON IC3001>
PIN NO.
LABEL
IN/OUT
1
SP_FG
IN
DETECTION SIGNAL FOR SUPPLY REEL ROTATION/TAPE REMAIN
2
TU_FG
IN
DETECTION SIGNAL TAKE-UP REEL ROTATION/TAPE REMAIN
3
BS_DIGI/COMP_IN
IN
NOT USED/A/V COMPULINK INPUT
4
UCS
IN
COMMUNICATION DATA FROM DVD CPU
5
RC
IN
REMOTE CONTROL DATA INPUT
6
D_A
OUT
LED DRIVE
7
D_B
OUT
LED DRIVE
8
D_C
OUT
LED DRIVE
9
D_D
OUT
LED DRIVE
10
D_E
OUT
LED DRIVE
11
SCLK
IN
EXTERNAL BUS CLOCK USED FOR PROGRAMMABLE HOST PERIPHERALS
12
U2SDT
IN
COMMUNICATION INPUT DATA FROM DVD CPU
13
S2UDT
OUT
COMMUNICATION OUTPUT DATA TO DVD CPU
14
MTO
OUT
CONTROL FOR DVD LOADING MOTOR OF TRAY
15
N_REC[H]
OUT
NORMAL AUDIO REC MODE CONTROL SIGNAL (REC:H)
16
D_F
OUT
LED DRIVE
17
I2C_DATA_A/V
IN/OUT SERIAL DATA TRANSFER OUTPUT FOR A/V IC
18
I2C_CLK_A/V
OUT
SERIAL DATA TRANSFER CLOCK FOR A/V IC
19
SP_SHORT[H]
OUT
MODE SELECT
20
EP_SHORT[H]
OUT
MODE SELECT
21
D_G
OUT
LED DRIVE
22
REC_S
IN
REC SAFETY SWITCH DETECT (SW ON:L)
23
D.FF
OUT
ROTATION DETECTION SIGNAL FOR DRUM MOTOR/TIMING CONTROL SIGNAL FOR REC
24
V.PULSE
OUT
V.PULSE ADDITION TIMING CONTROL
25
RESET
IN/OUT RESET TERMINAL(RESET ON:L)
26
A.FF
OUT
AUDIO FF OUTPUT
27
N.REC_ST[H]
OUT
NORMAL AUDIO SOUND RECORDING START
28
H.REC_ST[H]
OUT
HiFi AUDIO SOUND RECORDING START
29
SCS
OUT
DVD CPU CHIP SELECT
30
CPURST
OUT
RESET FOR DVD CPU
31
I2C_DATA
IN
SERIAL DATA TRANSFER OUTPUT FOR TUNER AND FMA CIRCUITS
32
I2C_CLK/TEST
IN/OUT SERIAL DATA TRANSFER CLOCK FOR TUNER AND FMA CIRCUITS
33
CAP_CTL_V
OUT
CAPSTAN MOTOR CONTROL
34
DRUM_CTL_V
OUT
DRUM MOTOR CONTROL
35
SB_GAIN
OUT
VOLTAGE CONTROL SIGNAL FOR VIDEO FREQUENCY RESPONSE
36
VDD
-
SYSTEM POWER
37
X_OUT
-
MAIN SYSTEM CLOCK (14MHz)
38
X_IN
-
MAIN SYSTEM CLOCK (14MHz)
39
VSS
-
GND
40
XC_IN
-
TIMER CLOCK(32KHz)
41
XC_OUT
-
TIMER CLOCK(32KHz)
42
CLK_SEL
IN
CLOCK SELECT FOR FLASH WRITER
43
A.MUTE[H]
OUT
AUDIO MUTE CONTROL (MUTE:H)
44
P.MUTE
OUT
PICTURE MUTE CONTROL(MUTE ON:H)
45
CTL_GAIN
OUT
CONTROL AMP OUT FREQUENCY RESPONSE SWITCHING
46
CONV.CTL
OUT
RF CONVERTER ON/OFF CONTROL
47
VIDEO_OSD_OUT
OUT
COMPOSITE VIDEO SIGNAL OUTPUT
48
VSS2
-
GND
49
V_TO_OSD
IN
COMPOSITE VIDEO SIGNAL INPUT
50
SYN_IN
IN
COMPOSITE SYNC/HORIZONTAL SYNC
FUNCTION
PIN NO.
51
52
53
54
55
56
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
LABEL
IN/OUT
VDD2
-
SYSTEM POWER
AFCC
-
AFC CLOCK(SYNC SEPARATOR FOR OSD/EXTERNAL CIRCUIT FOR AFC)
AFCLPF
-
FILTER OUTPUT FOR HORIZONTAL SYNCHRONIZING OF OSD CHARACTER
VCR_LED[L]/FSCI
OUT
VCR LED ON/OFF CONTROL (LED ON : L) / FSC INPUT FOR OSD
DVD_LED[L]/FSCLPF
OUT
DVD LED ON/OFF CONTROL (LED ON : L) / FSC OUTPUT FOR OSD
SMUTE
OUT
SPINDLE MUTING OUTPUT SIGNAL
A.MUTE2[H]
OUT
AUDIO MUTE CONTROL(MUTE ON:H)
DVD[H]
OUT
DVD MODE:H
P.CTL[H]
OUT
CONTROL SIGNAL FOR SWITCHING POWER SUPPLY
MT1
OUT
CONTROL FOR DVD LOADING MOTOR OF TRAY
LM_F/R/S
OUT
LOADING MOTOR DRIVE
CAP.M_F/R
OUT
CAPSTAN MOTOR REVERSE CONTROL(FWD : H / REV : L)
HS_FR/AGC_CTL
OUT
HIGH SPEED FF/REW CONTROL
PROG/INTER
OUT
INTERLACE/PROGRESSIVE SELECT
D.FG.IN
IN
DRUM FG PULSE INPUT
S_DET
IN
DETECTION OF VIDEO SYNC SIGNAL (DETECTED:H)
C.FG_AMP_OUT
OUT
CAPSTAN FG PULSE AMP OUT
C.FG_IN
IN
CAPSTAN FG PULSE INPUT
AMP_VREF_OUT
OUT
CTL PULSE AMP REFFERENCE VOLTAGE OUTPUT
AMP_VREF_IN
IN
CTL PULSE AMP REFFERENCE VOLTAGE INPUT
AVSS
-
GND
AMP_C
-
CAPCITOR CONNECT TERMINAL FOR CTL PULSE AMP CIRCUIT
AVCC
-
SYSTEM POWER
CTL[+]
IN/OUT CTL(+) SIGNAL
CTL[-]
IN/OUT CTL(-) SIGNAL
CTL_AMP_OUT
OUT
CTL PULSE OUTPUT
PROTECT
IN
CONTROL SIGNAL FOR SWITCHING POWER SUPPLY
END_SENSOR
IN
END SENSOR
JUST_CLK/CH_SW
OUT
RF CONVERTER CHANNEL SELECT
LED
IN
DETECT THE MTS MODE
A.ENV/ND[L]
IN
AUDIO PB FM ENV.INPUT/NON HiFi MODE:L
TRAYOPSW
IN
DETECTION SWITCH OF TRAY OPEN/CLOSE
VIDEO_ENV
IN
AUTO TRACKING DETECT/INPUT THE AVERAGE OF PLAYBACK VIDEO SIGNAL
AFC
IN
TUNING CHECK
START_SENSOR
IN
START SENSOR
S1OUT
OUT
ADD THE DC BIAS TO S1 OUTPUT
DIG7
OUT
LED DRIVE
KEY1
IN
OPERATION CONTROL SIGNAL
KEY2
IN
OPERATION CONTROL SIGNAL
POWER_DET
IN
DETECTION SIGNAL FOR POWER DOWN OF AC POWER SUPPLY
LSA
IN
MECHANISM MODE DETECT(A)
LSB
IN
MECHANISM MODE DETECT(B)
LSC
IN
MECHANISM MODE DETECT(C)
LSD
IN
MECHANISM MODE DETECT(D)
DIG1
OUT
LED DRIVE
DIG2
OUT
LED DRIVE
DIG3
OUT
LED DRIVE
DIG4
OUT
LED DRIVE
DIG5
OUT
LED DRIVE
DIG6
OUT
LED DRIVE
FUNCTION
2-28
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