Sharp CD-XP300W Service Manual page 49

ICK1 VHiM65856SP-1: Mic Amp. (M65856SP) (2/2)
Pin No. Port Name
16 LPF1 IN2
17 LPF1 OUT
18 AD INTOUT
19 AD INTIN
20 ADCONT
21 REF
22 GND
23 VCC
24 DACONT
25 DAINTIN
26 DAINTOUT
27 LPF2IN1
28 LPF2IN2
29 LPF2OUT
30 VOLIN
31 L IN
32 R IN
33* KEYCONIN
34* SOURCEOUT
35 R OUT
36 L OUT
37 VCF IL
38* PS1
39* PS2
40 LATCH
41 CLOCK
42 DATA
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Input/Output
Input Low pass filter 1 input 2.
Pre-filter before A/D convertor for digital delay.
Output Low pass filter 1 output.
Pre-filter before A/D convertor for digital delay.
Output A/D integrator output.
Composes D/A conversion integrator with external capacitor.
Input A/D integrator input.
Composes D/A conversion integrator with external capacitor.
— A/D control.
To determine adaptive time constant of A/D convertor with ADM system.
— Reference power output.
To connect 1/2 Vcc output and filter capacitor.
— Ground.
Input Power supply.
— D/A control.
To determine adaptive time constant of D/A convertor with ADM system .
Input D/A Integrator input.
Composes D/A conversion integrator with external capacitor.
Output D/A Integrator output.
Composes D/A conversion integrator with external capacitor.
Input Low pass filter 2 input 1.
Post-filter after D/A convertor for digital delay.
Input Low pass filter 2 input 2.
Post-filter after D/A convertor for digital delay.
Output Low pass filter 2 output.
Post-filter after D/A convertor for digital delay.
Input Echo effect/Echo feed back volume input.
To connect capacitor to reduce noise generated at time of volume change.
Input Lch line input.
Input Rch line input.
Input Monaural input for external KEYCONTROL IC.
Input/Output interface terminal for external KEYCONTROL IC.
Output Monaural input for external KEYCONTROL IC.
Input/Output interface terminal for external KEYCONTROL IC.
Output Rch mixing output.
Output Lch mixing output.
— Vocal cut filter.
Processes frequencies lower then the vocal band.
Input Phase shift input 1.
Determines a constant at time of phase shift.
Input Phase shift input 2.
Determines a constant at time of phase shift.
Input Latch input via serial bus.
Input Clock input via serial bus.
Input Data input via serial bus.
Function
– 49 –
CD-XP300W