Sharp VL-PD3U - Page 60

i/L-PD3U
14-4. DAC CIRCUIT SCHEMATIC DIAGRAM
QMPWC287ITAZZ
DUNTK287IPMOI
/
TO-CONN I
TO-POWER I
( D_2.lV
( BL_PWT?
( P-CON-4.9v
( P-CON2.8V
( CAM-2.8V
( P-7v
( MEC-5V
( CAM-15V
( P-CON-3 . I V
-
-
-
2
: D
>
‘5
( D/A-L
( GND
( BL_CTL
TO_EWPLL
( THRESH3AD J
1
1
R4707
82K
R4705
330K
/ .3
(0.2J
R4703
220K
R470 I
IM
R4702
I OOKD
R4704
IOOKC
MUX
I C4702
R4709
82K
R471 I
220K
R47l:
I 80K
R47l!
39K
( EQ_TRANS-ADJ
( SEARCH-L
BU405lFV
4
vcc
6 2
COM I
7 0
5 3
INH A
VEE
B
GND
C
(
MEIMP-
( FREERUNADJ
( OFF_SET-ADJ
( FO_ADJ
( ATF-GAIN
( CHARGE-ON/OFF
TO-MOTOR-DRIVER
( DRUM-START
TO-VF
( VFEL-ON
/./
c/ . /I
/ .5
f/ .5>
b
(FADE-CTL)
I
(AUX-L)--
L
0
=-c
6
0
=-c
7
0
t4706
OOK 0
R470f
IOOKI
R47lf
I OOK
4
: D
R47
100
TO-CODEC
( PLL-B I AS-DA
>