PIN NO.
LABEL
IN/OUT
FUNCTION
PIN NO.
LABEL
IN/OUT
FUNCTION
1 CTL[+]
IN/OUT
CTL(+)
SIGNAL
2 SVss
- GND
3 CTL[-]
IN/OUT
CTL(-)
SIGNAL
4
CTLBIAS
-
CTL BIAS VOLTAGE
5
CTLFB
IN
CTL PULSE FEEDBACK
6
CTLAMPOUT
OUT CTL PULSE OUTPUT
7
CTLSMTIN
IN
CTL PULSE OUTPUT
8
CFG
IN
CAPSTAN FG PULSE INPUT
9 SVcc
- SYSTEM
POWER
10 Avcc
- SYSTEM
POWER
11
S_DET
IN
NORMAL AUDIO : L
12
SECAN_DET
IN
SECAN MODE DETECT
13 VIDEO_ENV
IN AUTO TRACKING DETECT/INPUT THE AVERAG OF PLAYBACK VIDEO SIGNAL
14 START_SENSOR
IN START
SENSOR
15 END_SENSOR
IN END
SENSOR
16
KEY1
IN
OPERATION CONTROL SIGNAL
17
PROTECT
IN
DETECTION SIGNAL FOR SWITCHING POWERSUPPLY
18
SCR_ID
IN
SCRAMBLE CONTROL INPUT (SCRAMBLE:H)
19
KEY2
IN
OPERATION CONTROL SIGNAL
20 AFC
IN TUNING
CHECK
21 RF_AGC
IN
22
A.ENV/ND[L]
IN
AUDIO PB FM ENV.INPUT/NON HiFi MODE:L
23 Avss
- GND
24
CTL_GAIN
OUT CONTROL AMP OUT FREQUENCY RESPONSE SWITCHIN
25
LSA
IN
MECHANISM MODE DETECT (A)
26
LSB
IN
MECHANISM MODE DETECT (B)
27
LSC
IN
MECHANISM MODE DETECT(C)
28
CAP.M_F/R
OUT CAPSTAN MOTOR REVERSE CONTROL (FWD:L/REV:H)
29
RC
IN
REMOTE CONTROL DATA INPUT
30 DIG1
OUT LED
DRIVE
31
P50-_IN
IN
CONTROL SIGNAL FOR TV LINK
32
R.PAUSE/COMPU_IN
IN
REMOTE PAUSE INPUT/AV COMPULINK INPUT
33
P50_OUT
OUT CONTROL SIGNAL FOR TV LINK
34 DIG2
OUT LED
DRIVE
35 DIG3
OUT LED
DRIVE
36 DIG4
OUT LED
DRIVE
37 DIG5
OUT LED
DRIVE
38 SB_GAIN[PWM]
OUT VOLTAGE CONTROL SIGNAL FOR VIDEO FREQUENCY RESPONSE
39 DIG6
OUT LED
DRIVE
40 DIG7
OUT LED
DRIVE
41 D_A
OUT LED
DRIVE
42 D_B
OUT LED
DRIVE
43 Vss
- GND
44
COMP_OUT
OUT AV COMPULINK OUTPUT
45 Vcc
- SYSTEM
POWER
46
K.BUS_DATA_TO_SYS
IN
SERIAL DATA TRANSFERMER OUTPUT FOR DVD CPU
47
K.BUS_DATA_FR_SYS
OUT SERIAL DATA TRANSFERMER OUTPUT FOR DVD CPU
48
K.BUS_CLK
OUT SERIAL DATA TRANSFERMER CLOCK FOR DVD CPU
49
12C_DATA_AV
IN/OUT SERIAL DATA TRANSFER OUTPUT FOR A/V IC
50
12C_CLK_AV
OUT SERIAL DATA TRANSFER CLOCK FOR A/V IC
51
OSD_CS
OUT ON-SCREEN IC CHIP SELECT
52 S.DATA_FRSYS
OUT SERIAL DATA TRANSFER OUTPUT FROM THE FDP DRIVER TO THE ON-SCREEN
53
S.CLK
OUT SERIAL DATA TRANSFERMER CLOCKFOR ONSCREEN IC
54 SP_FG
IN DETECTION SIGNAL FOR SUPPLY REEL ROTATION/TAPE REMAIN
55 TU_FG
IN DETECTION SIGNAL TAKE-UP REEL ROTATION/TAPE REMAIN
56
SUB RESET
OUT DVD CPU RESET
57 NC
- NOT
USED
58
REC_SAFTY
IN
REC SAFETY SWITCH DETECT (SW ON:L)
59 D_C
OUT LED
DRIVE
60 D_D
OUT LED
DRIVE
61 D_E
OUT LED
DRIVE
62
FWE
-
FLASH WRITE ENABLE
63 NMI
- NOT
USED
64 X2
- TIMER
CLOCK(32kHz)
65 X1
- TIMER
CLOCK(32kHz)
66
RES
-
RESET TERMINAL(RESET ON:L)
67
OSC1[IN]
IN
MAIN SYSTEM CLOCK(10MHz)
68 Vss
- GND
69
OSC2[OUT]
IN
MAIN SYSTEM CLOCK(10MHz)
70 VCC/VCL
- SYSTEM
POWER
71 MODE
- NOT
USED
72
SYNC_DET[H]
IN
DETECTION OF VIDEO SYNC SIGNAL (DETECTED : H)
73
TU_V.MUTE[H]
OUT TUNER VIDEO SIGNAL MUTE : H
74
A.MUTE_[H]
OUT AUDIO MUTE CONTROL (MUTE:H)
75
12C_CLK2
OUT SERIAL DATA TRANSFER CLOCK FOR MEMORY IC
76
12C_DATA2
IN/OUT SERIAL DATA TRANSFER OUTPUT FOR MEMORY IC
77
SECAN[H]
IN
SECAN MODE :H
78
P.ON_PULSE
OUT POWER ON/OFF PULSE OUTPUT
79
PAL_PB[H]
IN
PAL FM (PB ON:H)
80
SUB_REQ[L]
OUT DVD CPU RESET
81 MESECAN_DET
OUT MESECAM:H
82 Vcc
- SYSTEM
POWER
83 D_F
OUT LED
DRIVE
84 Vss
- GND
85
SW2/CH_SW
IN
TUNER SYSTEM MODE:L/CHANNEL SWITCHING SIGNAL
86
SW1/CONV.CTL[H]
OUT TUNER SYSTEM MODE/RF_CONVERTER CONTROL
87
H.REC_ST[H]
OUT HiFi AUDIO SOUND RECORDING START
88 SP_SHORT[H]
OUT MODE
SELECT
89 LP_SHORT[H]
OUT MODE
SELECT
90
N.REC_ST[H]
OUT NORMAL AUDIO SOUND RECORDINGSTART
91 D_G
OUT LED
DRIVE
92
LM_F/R/S[LMC1]
OUT LOADING MOTOR DRIVE
93
LSD[LMC2]
IN
MECHANISM MODE DETECT (D)
94
P.CTL[H]
OUT CONTROL SIGNAL FOR SWITCHING POWER SUPPLY
95 POWER_DET
IN DETECTION SIGNAL FOR POWER DOWN OF AC POWER SUPPLY
96
A.MUTE2[L]
OUT AUDIO MUTE CONTROL (MUTE:L)
97 DVD_RGB[H]
- NOT
USED
98
C.SYNC
IN
COMPOSITE SYNC INPUT
99
A.FF
OUT AUDIO FF OUTPUT
100 V.FF
OUT ROTATION DETECTION SIGNAL FOR DRUM MOTOR/TIMING CONTROL SIGNAL FOR REC
101
CAPPWM
OUT CAPSTAN MOTOR CONTROL
102
DRUMPWM
OUT DRUM MOTOR CONTROL
103
P.MUTE[L]
OUT PICTURE MUTE CONTROL (MUTE ON : L)
104 NC
-
NOT
USED
105
N_REC[H]
OUT NORMAL AUDIO REC MODE CONTROL SIGNAL (REC:H)
106 NC
-
NOT
USED
107 EE[L]
OUT EE
MODE:L
108
DFG
IN
DRUM FG PULSE INPUT
109 Vcc
-
SYSTEM
POWER
110
V.PULSE
OUT V.PULSE ADDITION TIMING CONTROL
111 Vss
-
GND
112
CTLREF
-
CTL REFERENCE VOLTAGE
CHANGES IN ATS+IC OUTPUT AS CAUSED BY CHANGES IN RECEIVER SENSITIVITY
WHEN THE SAME CHANNEL IS RECEIVED MORE THAN ONCE ARE INPUT.
CPU PIN FUNCTION
<SYSCON IC3001>
WF1
IC1-15
IC1-21
IC1-29
WF2
WF3
WF4
<VIDEO BLOCK DIAGRAM >
IC2201-14
REC/PB 30mVp-p
10mV/2msec/DIV
REC/PB 0.3Vp-p
0.1V/2msec/DIV
WF1
IC2201-57
WF2
IC2201-21
REC 1.3Vp-p
0.5V/0.5µsec/DIV
WF3
TP2253
A.PB_FM
PB 0.7Vp-p
0.5V/5µsec/DIV
WF4
IC1-6
REC/PB 1.6Vp-p
1.0V/0.5ms/DIV
WF5
IC1-2
REC/PB 0.2Vp-p
50mV/0.5ms/DIV
WF6
IC1-98
REC 2.4Vp-p
1.0V/0.5ms/DIV
WF7
<AUDIO BLOCK DIAGRAM >
CN3001-1
CAP.M_FG
CN3001-11
DRUM_PG/FG
TP4001
CTL.P
IC3001-1
IC3001-98
REC/PB 4.8Vp-p
1.0V/0.5msec/DIV
REC/PB 4.4Vp-p
1.0V/10msec/DIV
PB 2.5Vp-p
1.0V/10msec/DIV
REC 3.6Vp-p
1.0V/10msec/DIV
REC 5.0Vp-p
2.0V/20µsec/DIV
WF2
WF1
WF3
WF4
WF5
<SYSTEM CONTROL BLOCK DIAGRAM >
REC 1.0Vp-p
0.5V/20µsec/DIV
REC 1.1Vp-p
0.5V/20µsec/DIV
REC/PB 2.2Vp-p
1.0V/20µsec/DIV
TP111
D.FF
REC/PB 3.8Vp-p
1.0V/10msec/DIV
WF5
IC1-86
REC 1.4Vp-p
0.5V/20µsec/DIV
WF6
IC201-21
REC/PB 0.9Vp-p
0.5V/20µsec/DIV
IC201-19
WF2
REC/PB 1.1Vp-p
0.5V/20µsec/DIV
WAVEFORMS
2-45
2-46
