Sharp CD-DVD500 Service Manual page 77

IC602 VHiM62446FP-1: 6-Ch Electronic Volume (M62446FP)
Pin
Terminal
No.
Name
1*-4* OUT4-OUT1 Port output.
5 AVDD Analog positive power supply terminal.
6 SWin Volume input.
7 GNDS GND terminal.
8 SRin Volume input.
9 SLin Volume input.
10 GNDC GND terminal.
11 Cin Volume input.
12 GNDR GND terminal.
13 Rin Tone input.
14 GNDL GND terminal.
15 Lin Tone input.
16 BYPASSR Volume input to L/R when bypassed.
17 BYPASSL Volume input to L/R when bypassed.
18 LTRE Tone treble frequency adjustment terminal.
19 LBASS3 Tone bass frequency adjustment terminal.
20 LBASS2 Tone bass frequency adjustment terminal.
21 LBASS1 Tone bass frequency adjustment terminal.
22 CR2 Tone output terminal.
23 RBASS2 Tone bass frequency adjustment terminal.
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
BYPASSR
BYPASSL
LBASS3
LBASS2
LBASS1
Function
1
OUT4
OUT-
2
OUT3
PUT
3
OUT2
PORT
OUT1
4
AVDD
5
SWin
6
GNDS
7
SRin
8
SLin
9
10
GNDC
11
Cin
12
GNDR
13
Rin
GNDL
14
Lin
15
16
17
LTRE
18
19
20
tone
21
Figure 77 BLOCK DIAGRAM OF IC
Pin Terminal
No. Name
24 RBASS3
25 RTRE
26 RBASS1
27 CR1
28 CL2
29 CL1
30 AVSS
31 Lout
32 Rout
33 Cout
34 SLout
35 SRout
36 SWout
37 AGND
38 DGND
39 LATCH
40 DATA
41 CLK
42 DVDD
MCU
volume
I/F
volume
volume
volume
volume
volume
tone
– 77 –
CD-DVD500
Function
Tone bass frequency adjustment terminal.
Tone treble frequency adjustment terminal.
Tone bass frequency adjustment terminal.
L/R volume input.
Tone output terminal.
L/R volume input.
Analog negative power supply terminal.
L output.
R output.
Volume output.
Volume output.
Volume output.
Volume output.
Analog GND terminal.
Digital GND terminal.
Latch input terminal.
Data input terminal.
Clock input terminal for data transfer.
Digital power supply terminal.
42
DVDD
41
CLK
40
DATA
LATCH
39
DGND
38
AGND
37
SW out
36
SRout
35
SLout
34
33
Cout
32
Rout
31
Lout
30
AVSS
CL1
29
CL2
28
CR1
27
CR2
26
RTRE
25
24 RBASS3
23 RBASS2
22
RBASS1