Pioneer DEH-59 Service Manual page 38

DEH-59,52,525,49,42,425,225 523,323,223
11.3 KEY BOARD UNIT
@ Circuit Diagram KEY BOARD UN LT
Flag: © rn wo w m nN oh -— - — - + ee +
DSENS
DPDT KYDT UGND
a5 -SE09_\
see
|SEG4 | SEG3_N
rset
HANMY NOR OMS
aa
R9B3 2R2K
(178W)
R981 2R2K
ag
58 SEG15
—~
CEL1341
1L982
a
WU
CEL1341
[C901
PD6122A
KEY CONTROLLER AND
LCD DRIVER
1L 983
fon
CY)
cELT S41 BAND 4
1L904 ran
[ t
R989 ORO
=a
t
1
1
1
t
'
'
t
t
'
1
'
'
'
. | és
1 CELTS41
| 1L985
'
'
'
1
'
'
'
, 1 SHIFT
CEL1341 a oe mee
nee
ee ee ss Oe ee mS ee Se oe ee ee
NOTE:
<—F Symbol indicates a resistor. :
No differentiation is made between chipresistors and Decimal points for resistor
discrete
resistors.
and capacitor fixed values
Ak Symbol indicates a capacitor. are expressed as:
No differentiation is made between chip capacitors and 2.2-2R2
discrete capacitors. 2.022-RB22
Fig. 11