Sanyo DC-F210 - Page 51

IC BLOCK DIAGRAM
IC458 BH3854AFS (Audio Sound Control)
II
~u”l! I
I 111111
(Power Amplifier)
w
“cc 1
7L
)
CUTPUT PI. TO “c.
,“~, PROTECT.Xi
1
1
“
w,,”,MN TOGNZ
“..
‘mT ‘Ro’’c’m
1
T
tom sncm
,mwcrm
1
T
PWNO*E
WTP”l PIN 10 “..
C4RCU!1
SHC6T PRoIEcTm
1
w .
“..
2
No. I Pin Name
I
1/0
I
Function
1
I
A GND
- lAnalog GND.
3
2 IN1
3
NF1
4
BVN1
5
BIN1
6
BVO1
7 TIN1
8
Tvol
9 OUT1 O
Volume 1ch input.
Amp.gain 1ch input.
Low-pass filter 1ch input.
Low-pass filter 1ch input.
Low-pass filter 1ch input.
Higf-pass filter 1ch input.
Higt-pass filter 1ch input.
Volume 1ch output.
10 Vw
- Power supply.
11
Sc
I Switching shock prevention.
12 PORT1
o
Port output.
13 PORT2
o
Portoutput.
14 PORT3 o
Pori output.
15
PORT4
o
Pori output.
16
D GND
-
Digital GND.
17 VREF
o
Reference voltage output.
18 LATCH
I Serial latch input.
19
DATA
I Serial data input.
23 CK
I Serial clock input.
21 BC
I Switching shock prevention.
22 TC
I Switching shock prevention.
2.3
Vc
I Switching shock prevention.
24 0UT2
o
Volume 2ch output.
25
TV02
I Higt-pass filter 2ch input.
26
TIN2
I Higt-pass filter 2ch input.
27 BV02
I Low-pass filter 2ch input.
28 BIN2
I Low-pass filter 2ch input.
29 BVN2
I Low-pass filter 2ch input.
xl
NF2
I Amp.gain 2ctI input.
31 IN2
I Volume 2ch input.
32
FILTER
I Filter input.
9497 NJM7805FA (3-Terminal Voltage Regulator)
-60-