Mother Pcb (Tuner Block) - Pioneer AVH-X4500BT/XNUC Service Manual

Dvd rds av receiver
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1

10.6 MOTHER PCB (TUNER BLOCK)

A
B
U401
R401
ACLK
8
1
A_CLK
41
AWS
2
7
A_WS
40
ADI
3
6
A_DI
39
ADO
5
4
A_DO
38
0
BLEND/SCK
37
DGND6
36
DVCC33_2
R402
35
DVCC33_1
BBCLK
1
8
BB_CLK
34
C
BBWS
7
2
BB_WS
33
BBD0
3
6
BB_DII
32
BBD1
4
5
BB_DIQ/REF_CLK
31
DVCC11_2
0
DVCC11_1
30
I2C1_SCL
29
I2C1_SDA
28
I2C0_SCL
I2C0_SDA
RDSINT
D
RFGND3
RFVCC5
FMAMANT
RFGND2
DABANT
RFGND1
JA452
E
2
NM
3
1
4
GNDRF
F
A
6/6
138
1
2
X-2056_2
R403
DGND5
27
SDO
SDI
26
5
4
SDI
SDO
25
3
6
SSCK
SSCK
24
7
2
SCS
SCS
23
8
1
0
DGND4
22
21
RESET
20
RX
19
TX
18
TUN12
L402
GPIO
17
16
NM
DGND3
15
DGND2
14
13
GNDD
12
R404
DGND1
11
8
1
ACLK
10
GNDD
7
AWS
2
LCH
9
R409
0
ADI
6
3
AGND
8
R408
0
5
4
ADO
RCH
7
0
L403
6
5
NM
4
3
2
1
GNDRF
DABSX12
L451
CTF1786-A
GNDRF
only A
C456
R457
0
5p/50
GNDD
GNDRF
GNDRF
AVH-X4500BT/XNUC
2
3
TUN-SH BUS
NM
TUN33
GNDD
R407
TUNRST
0
R405
SYStoDTUN
0
R406
DTUNtoSYS
0
only A, D
CN401
NM
TUN33
GNDRF
1
2
3
4
5
6
7
8
9
10
GNDD
except A
R454
0
GNDRF
TUNAG
TUNAG
3
4
A
3/6
FM/AM ANTENNA
JA451
YKS5041-A
RFG2
2
1
3
RFG1
P451
only A, D
IMSA-6803-01Y900-T
GNDRF
L502
C509
0.27u
33p/50
GNDRF
L503
CTF1786-A
TUNAG
L504
GNDRF
CTF1806-A
GNDRF
TUNAG
L505
L519
C512
10n
CTF1389-A
0.01u/50
R455
NM
C458
R456
5p/50
C459
0
4p/50
R451
C460
4p/50
NM
C461
GNDRF
4p/50
only A, D
4
only A
only A,
C556
22p/5
1
2
3
C526
GNDRF
NM
4
L506
C527
CTF1794-A
5
0.01u/16
6
C525
7
1u/10
8
TUNAG
C528
orRFGND
9
NM
10
11
C519
C521
12
0.1u/10
0.01u/16
13
C522
14
0.01u/16
C523
15
10u
CCG1192-A
16
GNDRF
0.022u/16
C524
except A, D
R522
R524
1.5k
L507
22u
L508
R452
0
GNDD
GNDRF

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