Pioneer DEX-P99RS/UC Service Manual page 24

1
QQ
3 7 63 1515 0
FM/AM TUNER UNIT
A
AM ANT
FMRF
ATT
1
A
FM ANT
3 ATT
B
FMRF
RF adj
ANT adj
C
TE
L 13942296513
D
E
www
F
24
1
http://www.xiaoyu163.com
2
7 6 13 5 10 9 8
IC5
IC3
→
5V
5.0V
EEPROM
OSC LPF
IC1
3.3V
MIXER, IF AMP
T51
CF52
IC4
3.3V → 2.5V
3.3V
2 12 15 22 16 4 17
A
x ao
y
. i
DEX-P99RS/UC
2
http://www.xiaoyu163.com
3
8
A
11 14 18 19 20 21
3.3V
IC2
2.5V
DET, FM MPX
2.5V
Q Q
3 6 7
u163
3
4
2 9 9 4
Lch
A
23
1 3 1 5 0 5 8 2 9
m
co
.
4
2 8
9 9
B
KEYBOA
CN1801
AUXL/MIC
11
JCKSNS
2
ROT1
8
ROT0
7
RG
ILM+B
12
9 4 2 8 9 9
SWVDD
9
RESET
S1801
RST
4
DSENS
1
DPDT
5
KYDT
6
OEL+B
14