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OEC0138A (IC3001)
79
VSS
80
OSC2
81
VCL
82
MD0
83
P34/PWM2
84
P33/PWM1
85
P32/PWM0
TUNER AUDIO MUTE-H OUT Output low at tuner and output high at external input/play.
86
P31/SV2
87
P30/SV1
88
P70/PPG0
89
P71/PPG1
90
P72/PPG2
91
P73/PPG3
92
P74/PPG4/RP8
93
P75/PPG5/RP9
94
P76/PPG6/RPA
95
P77/RPG7/RPB
96
P80/YCO
97
P81/EXCAP/YBO
98
P82/EXCTL
99
P83/C,ROT/R
100 P84/H.AMP/SW/G
101
P85/COMP/B
102
P85/EZTTRG
103
P87/DPG
104
DFG
105
VIDEO_FF
106
AUDIO_FF
107
DRUM_PWM
108
CAP_PWM
109
V-PULSE
110
SV VSS
111
C.SYNC_IN
112
VCC
IC DESCRIPTIONS
VSS
-
OSC2
OUT Connect the main crystal(10MHz)
VCL
IN
MD0
IN
NC
OUT not used.
CAP_LIMIT
OUT Switch the maximum output current of the Capstan Motor.
VCR-H
OUT H for at PLAY in VCR MODE. L for except above case.
POWER_MUTE
OUT audio mute at POWER ON/OFF.
SYS_MUTE
OUT audio mute for DVD at POWER ON/OFF.
NC
OUT Not used.
NC
OUT Not used.
AV SW_2
OUT Control rear/front video signal.(at AV X 2)
AV SW_1
OUT Control DVD/VCR video/audio signal.
Y/C CS
OUT Control terminal for Y/C. (CHIP SELECT).
RF CH SW
OUT 3/4 ch Selection for the RF CH.
AUDIO_MUTE-H
OUT L for at AUDIO MUTE and POWER OFF. H for except above case.
V_REC_ST-H
OUT On control of A/V recording(Whole width erase) circuit.
LDM CTL
OUT Loading motor control terminal.
CAP_FWD-H
OUT Capstan forward and backward command.
C.ROTARY
OUT Color Rotary Control output.
H.AMP.SW
OUT Switching output of Head Amp SW.
COMP
IN
CAP_FULL
OUT Output the HIGH during the acceleration force of capstan motor at
CYL_SPEED_UP
OUT Output terminal for correct cylinder during SLOW.
D FG/PG
IN
VIDEO_H.SW
OUT Output terminal of Video Head SW.
HI-FI H.SW
OUT Output terminal of HI-FI Head SW.
DRUM_PWM
OUT PWM output of Cylinder control.
CAP_PWM
OUT PWM output of Capastan control.
DUMMY_V-SYNC
OUT Virtual V Pulse output.
SV VSS
-
SYNC
IN
VCC(SV)
-
Ground.
Connect the capacitor
FZTAT Write MODE.
Comparison results input of Playback Envelope level on SP/LP
heads (4 heads).
SLOW mode.
Input terminal for DRUM FG signal detection.
Ground.
Input terminal for composite SYNC.
+ 5V
1-27
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Troubleshooting
