Service manual

No Pin-function Type voltage(V) Signal waveform Input/Output configuration Remarks
5. IY01 (LA7423A : Y/C PROCESS IC)
49
SYNC-DET
-OUT
1DC
S-DET-OUT
REC-Y REC = 2.4V
2
MADE. DE.
PB = 2.0V
EMPH-OUT
REC = 3.0V
3 CLAMP
PB = 3.2V
EMPH-OUT REC = 2.1V
4
R/P CTL PB = 4.4V
REC = 2.1V
5 MAIN-EMPH
-FILT
PB = 4.4V
REC = 3V
6 NL FILT
PB = 3V