Sharp CD-BK260V Service Manual page 59

ICK1 VHiM65856SP-1: Mic Amp. (M65856SP) (2/2)
Pin No. Port Name
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.
42 41 40
µ-COM I/F
MCLK
1 2 3
Input/Output
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.
39 38 37 36 35
PHASE
SHIFTER
SURROUND
MIC SW
MIC
VOL
ALC
4 5 6 7 8
Figure 59 BLOCK DIAGRAM OF IC
CD-BK260V/CD-BK2700V/CD-BK280V
34 33 32 31 30
(L,R)/2 L R STEREO
ECHO
VOL
MIC
VOL
ALC
9 10 11 12 13
– 59 –
Function
29 28 27 26 25
LPF D/A
16kbit
ECHO
SRAM
F.BVOL
MAIN LOGIC
LPF ND
14 15 16 17 18
24 23 22
VCC GND
1/ZVcc
19 20 21