Marantz N1G Service Manual download pdf (Page 42)

3-15

Power Supply Pins

Name I/O Function

VPA - Power for RF and serial port

VPB - Power for servo

VNA - GND for RF and serial port

VNB - GND for servo

V33 - Power for output buffer

V25 - Reference Power for servo output

Input Pins

Name I/O Function

DVDRFP, DVDRFN I RF signal input

RFSIN I RF signal input

AIP,AIN I AGC amp. input

DIP,DIN I Analog input for RF single buffer

A,B,C,D I Photo detector interface input

A2, B2, C2, D2 I Photo detector interface input

CD_A, B, C, D I CD photo detector interface input

CD_E, F I CD photo detector interface input

MIN I RF signal input for mirror

DVDPD I APC input

CDPD I APC input

LDON I APC input ON/OFF (L:Open)

I Link signal input (L:Open)

O Mirror monitor output

Output Pins

Name I/O Function

ATOP,ATON O Differential attenuator output

FNP,FNN O Differential normal output

RFAC O Single end normal output

RFDC O RF signal output

FE O Focus error signal output

TE O Tracking error signal output

CE O Center error signal output

MEVO O RFDDC bottom envelope output

DFT O Defect output

MIRR O Mirror detected output

PI O Pull-in signal output

DVDLD O APC output

CDLD O APC output

MNTR O Monitor output

Analog Pins

Name I/O Function

BYP - RF AGC integration capacitor connecting terminal

CP - Differential phase tracking LPF terminal

CN - Differential phase tracking LPF terminal

LCP - Lens shift offset cancel LPF terminal

LCN - Lens shift offset cancel LPF terminal

MP - MIRR top hold terminal

MB - MIRR bottom hold terminal

MEV - RFDC bottom envelope terminal

MLPF - Mirror LPF terminal

TPH - PI top hold terminal

VC - Reference voltage output

V125 - Reference voltage output

RX - Reference resistor input

Serial Port Pins

Name I/O Function

SDEN I Serial data enable

SDATA I/O Serial data

SCLK I Serial clock

IC501 : CDX1881AR

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