Panasonic NV-HS830B, Service Manual

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92 S TAB_ON(L) I
Input terminal of condition of the erasure prevention tab on the cassette tape.
*With tab : "Low" / Without tab : "High".
In In In In
93 T.REEL.PULSE I Input terminal for the pulse from Take-up Reel Sensor. In In In In
94 S.REEL.PULSE I Input terminal for the pulse from Supply Reel Sensor. In In In In
95 DAVN I DAVN signal from Slicer In In In In
96 EEP_WR O
Write enable for EEPROM
H:READ only L:Write
High High Low High
97 MAIN IIC CLK O IIC clock for AV1CHIP,FM audio,Tuner,Decoder and RFC Not fix Low Low Low
98 MAIN IIC DATA I/O IIC data for AV1CHIP,FM audio,Tuner,Decoder and RFC Not fix Low Low Low
99 OSD IIC CLK O IIC clock for EEPROM,I/O and slicer Not fix Low Low Low
100 OSD IIC DATA O IIC data for EEPROM,I/O and slicer Not fix Low Low Low
101 CNR_OFF(H) O
Control terminal for the Chroma Noise Reduction.
*CNR ON : "High" / CNR OFF : "Low".
Low Low Low Low
102 EX.FF/REW(L) O Control terminal for the filter of the PB-CTL signal during FF/REW. Low Low Low Low
103 FG.AMP.OUT O Output from internal FG Amplifier
--- --- --- ---
104 FG.AMP.IN I Input for internal FG Amplifier --- --- --- ---
105 GND(A) I GND.
--- --- --- ---
106 to GND I GND.
--- --- --- ---
107 PFG I FPG input terminal.
--- --- --- ---
108 OREF O Output from internal reference voltage (2.5V) --- --- --- ---
109 IREF I Input for internal reference voltage --- --- --- ---
110 to GND I GND
--- --- --- ---
111 CTL.HEAD(-) I Input signal from CTL HEAD(+)
--- --- --- ---
112 CTL.HEAD(+) I Input signal from CTL HEAD(-)
--- --- --- ---
113 CTL.AMP.REF I Input for internal CTL amplifier reference voltage --- --- --- ---
114 PB.CTL.OUT O Output from internal CLT amplifier
--- --- --- ---
115 +5V(A) I VDD for Analogue signal process.
--- --- --- ---
116 +5V(AD) I VDD for A/D converter. --- --- --- ---
No. NAME I/O
Description
P-OFF P-SAVE P-FAIL Reset