Service manual

CD-M8000W/CP-M8000
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1 MIC SW Input Microphone SW L: MIC OFF, H: MIC ON
2 MCLKCONT — Clock Control.
Controls built-in clock generation circuit with external R.
3 VALC — ALC operating voltage setting terminal.
To set ALC operating voltage according to applied voltage.
4 MIC1 IN Input Microphone 1 input.
To connect MIC 1.
5* ALC1 — ALC1 control.
To connect ALC1 attack/recovery time setting capacitor.
6* MIC1NFIN Input Microphone 1 negative feedback input.
To connect low cut-off frequency of MIC1 amplifier setting capacitor.
7* MIC1 OUT Output Microphone 1 output.
8 MIC1 VOLIN Input Microphone 1 volume input.
To connect capacitor to reduce noise generated at time of volume change.
9 MIC2 IN Input Microphone 2 input.
To connect MIC 2.
10 ALC2 — ALC2 control.
To connect ALC2 attack/recovery time setting capacitor.
11 MIC2 NFIN Input Microphone 2 negative feedback input.
To connect low cut-off frequency of MIC2 amplifier setting capacitor.
12 MIC2 OUT Output Microphone 2 output.
13 MIC2 VOLIN Input Microphone 2 volume input.
To connect capacitor to reduce noise generated at time of volume change.
14 MICOUT Output Microphone output.
Mixing output of MIC 1 and MIC 2.
15 LPF1IN1 Input Low pass filter 1 input 1.
Pre-filter before A/D convertor for digital delay.
16 LPF1 IN2 Input Low pass filter 1 input 2.
Pre-filter before A/D convertor for digital delay.
17 LPF1 OUT Output Low pass filter 1 output.
Pre-filter before A/D convertor for digital delay.
18 AD INTOUT Output A/D integrator output.
Composes D/A conversion integrator with external capacitor.
19 AD INTIN Input A/D integrator input.
Composes D/A conversion integrator with external capacitor.
20 ADCONT — A/D control.
To determine adaptive time constant of A/D convertor with ADM system.
21 REF — Reference power output.
To connect 1/2 Vcc output and filter capacitor.
22 GND — Ground.
23 VCC Input Power supply.
24 DACONT — D/A control.
To determine adaptive time constant of D/A convertor with ADM system .
25 DAINTIN Input D/A Integrator input.
Composes D/A conversion integrator with external capacitor.
26 DAINTOUT Output D/A Integrator output.
Composes D/A conversion integrator with external capacitor.
27 LPF2IN1 Input Low pass filter 2 input 1.
Post-filter after D/A convertor for digital delay.
28 LPF2IN2 Input Low pass filter 2 input 2.
Post-filter after D/A convertor for digital delay.
29 LPF2OUT Output Low pass filter 2 output.
Post-filter after D/A convertor for digital delay.
30 VOLIN Input Echo effect/Echo feed back volume input.
To connect capacitor to reduce noise generated at time of volume change.
31 L IN Input Lch line input.
32 R IN Input Rch line input.
ICK1 VHiM65856SP-1: Mic Amp. (M65856SP) (1/2)
Port NamePin No.
Input/Output
Function
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.