Service manual

IC DESCRIPTIONS
OEC0096A
No. PORT PIN NAME I/O DESCRIPTION
51 P61/RP1 VCR POWER_ON-H OUT For control of the user VCR-power switch ON/OFF.
52 P60/RP0 CENT_LED OUT Output terminal for center LED control.
53 P37/TMO TAB_SW IN Input terminal for judge the tape if it has TAB or not.
54 P36/BUZZ CTL_MONITOR OUT Output terminal for control Monitor.
55 P35/PWM3 MS_SENS_CTL OUT Output terminal to drive sensor control.
56 VCC VCC - AT +5V.(Back_up 5V)
57 VSS VSS - Ground.
58 P27/SYNC1 EXT IN-L IN Input terminal for Compulsion outside input.
59 P26/SCL0 IIC_CLK_0 OUT Output Clock terminal for I2CBUS communication.
60 P25/SDA0 IIC_DATA_0 I/O Output Data terminal for I2CBUS communication.
61 P24/SCL1 TEXT RESET OUT Output terminal of reset for TEXT_IC.
62 P23/SDA1 AV3 OUT Output terminal for control MONO_SW_IC.(TUNER,AV1,AV2)
63 P22/SCK1 SD-L OUT Output terminal of SD.
64 P21/SI1 SI1 IN Input terminal of DATA FZTAT input.
65 P20/SO1 SOD DATA OUT Output terminal of DATA FZTAT output.
66 P47/RPTRG PAL_H OUT Output terminal for judgement of colour system PAL/NTSC.
67 P46/FTOB LDM_FWD OUT Output signal to control the rotation direction of the loading motor.
68 P45/FTOA LDM_RVS OUT
69 P44/FTID REEL-S IN Input terminal of reel sensor SUPPLY.
70 P43/FTIC REEL-T IN Input terminal of reel sensor TAKE UP.
71 P42/FTIB CAP_FWD-L OUT Capstan forward and backward command.
72 P41/FTIA CAP_FULL OUT
Output the HIGH during the acceleration force of Capstan Motor at SLOW mode.
73 P40/PWM14 VV-H OUT Output terminal for select Playback/Recording at the circuit of sound.
74 FWE FWE IN Input terminal of FZTAT signal( L: low signal input).
75 X2 X2 OUT Subclock plus (32.768KHz).
76 X1 X1 IN Subclock plus (32.768KHz).
77 /RES /RES IN RESET will be done when the voltage goes to HIGH after the restart signal.
78 OSC1 OSC1 IN Connect the main crystal (10MHz).
79 VSS VSS - Ground.
80 OSC2 OSC2 OUT Connect the main crystal (10MHz).
81 VCL VCL IN input terminal for Capacity.
82 MD0 MD0 IN Input terminal of FZTAT signal.
83 P34/PWM2 CAP_LIMIT OUT Switch the maximum out put current of the CAPSTAN Motor.
84 P33/PWM1 REC AGC CONT. IN Input terminal of AGC adjustment for rec tuner.
85 P32/PWM0 VOLUME PWN OUT Output signal to PWM output for volume control.
86 P31/SV2 STAND_BY-H OUT Mute signal of audio mute for tuner.
87 P30/SV1 AV1 OUT Output terminal for control AV_SW_IC(TUNER,AV1,AV2)
88 P70/PPG0 TV MUTE-H OUT Mute signal of TV mute.
89 P71/PPG1 VCR MUTE-H OUT Mute signal of VCR mute.
90 P72/PPG2 V.REC.START-H OUT Output terminal for REC signal when record.
91 P73/PPG3 TUNER MUTE OUT Mute signal of TUNER mute.
92 P74/PPG4/RP8 AV2 OUT Output terminal for control AV_SW_IC(TUNER,AV1,AV2)
93 P75/PPG5/RP9 TEXT_H OUT Output sigmal to TEXT/MIX mode.
94 P76/PPG6/RPA AFC OFF-H OUT Output sigmal to cut of AFC(chroma ic).
95 P77/PPG7/RPB FF/REW-L OUT Output sigmal to FF/REW.(high speed)
96 P80/YCO YCO OUT Output terminal of character data.
97 P81/YBO BB_L OUT Output sigmal to blue back mode.
98 P82/EXCTL DA RGB SW OUT Output sigmal to cut of RGB sync
99 P83/C.ROTARY/R R OUT Output sigmal of R for OSD.
100 P84/H.AMP.SW/G G OUT Output sigmal of G for OSD.
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