Tuner Box Unit - Pioneer AVH-P5000DVD/XN/UC Service Manual

1

10.12 TUNER BOX UNIT

QQ
3 7 63 1515 0
I
TUNER BOX UNIT
A
B
KN1
RFGND
FM(100%)(EW):-10.0dBs
FM(100%):-14.0dBs
AM(30%)(EW):-20.0dBs
AM(30%):-24.0dBs
C
RDS_HSLK
RDS_LOCK
RDS_DATA
TE
L 13942296513
D
E
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2
C25
0.1u/16
NM
C26
0.1u/16
Rch
24
Lch
EW5,RE
23
BEGND
22 BEGND
R27
21
R26
TP40
20
R25
TP39
19
R24
TP38
RDS_CK
18
TP37
VDD_3.3
17 TP13
COMP
16
DGND
15
TP7
DO
14
TP36
ROM_VDD
13
TP3
OSCGND
12
TP2
LDET
RFGND
11
TP1
DI
10
TP8
CK
9
TP6
CE1
8
TP4
WC
7
CE2
6
TP5
SL
5
TP11
VCC
4
TP12
FM_ANT
3
TP34
RF_GND
L1
2
TP35
AM_ANT
1 22u
TP9
U1
JA1
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AVH-P5000DVD/XN/UC
2
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3
8
TUN+B
8.4V
Q1
2SC4081(QRS)
TUN+B
8.4V
Q2
2SC4081(QRS)
BEGND
680
680
680
680
Q Q
3 6 7 1 3
L2 (MAX8mA)
DGND
CTF1379
R4
EW5,RE
680
R3
680
R9
680
R10
680
R11
680
R12
680
680 R2
RFGND
0.01u/50
u163
C9
1000p/50
.
C12
RFGND DGND
Between OSCGND and DGND
3
4
2 9 9 4 2 8
C21
0.47u/10
C22
0.47u/10
1 5 0 5 8 2 9 9 4
(MAX400mA)
TUN33V
L4
1u
RFGND
VDD33 3.3V
(MAX200mA)
L3
8.4V
1u TUN+B
m
NM
co
C28
NM
C29
RFGND DGND RFGND
Between RFGND and DGND
Between RFGND and BEGND
4
9 9
2 8 9 9
3.3V
DI1
CK1
CE11
CE21
SL1 LDET1
BEGND