Sharp CD-BK260V Service Manual page 59

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