AVIC-X920BT/XNUC
14
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2
3
4
1
2
3
4
C
D
F
A
B
E
SCHEMATIC DIAGRAM
AUDIO UNIT(PS/IF SECTION)(GUIDE PAGE)
A-a
A-b
A-a
A-b
A-b
A-a
Large size
SCH diagram
Guide page
Detailed page
Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or
"ELECTRICAL PARTS LIST".
A
F
-a
1/3
1/3
F
A
A
H/OSW
MOT0
MOT1
RDS57K
BCAMPW
POS_IN
HRHSLK
HRLK
HRDT
HRCK
D_FMTOS
D_STOFM
FMCLK
FMCE1
FMCE2
TUNSL
VD5CONT
VD5CONT
DDCLK
VD8CONT5
ILMSNS
GPSREV
SYSREV
SPEED
ASENS
BSENS
MUTEVO
SWACPW5
RSTIN
PBSNS
FANUP
BSENS
ILMSNS
ASENS
ANTON5
BCAMPW
ACCPW5
ACCPW5
SWACPW5
MOTPWR2
ANTON5
SYSPW5
SYSPW5
VICSON
SCL
SDA
VICSON
TUNSL
MOTPWR2
HIVOLT
POS_IN
MOT0
MOT1
MOT8
VICSON
SCL
SDA
VICSON
HRCK
HRDT
HRLK
HRHSLK
FMCE2
RSTIN
FMCE1
FMCLK
D_STOFM
D_FMTOS
TUN_R
TUN_L
MOTPWR5
ACCPW5
MOTPWR5
MUTEBUP
MUTEBUP
H/OSW
MOTVDD33
SYSPW5
HIVOLT14
ILMV
ACCPW5
DDCLK
AU84
AU84
AU84
ACC84
ACC84
ACC84
VDD33
VDD33
VDD33
BUPV
VDD5
VDD5
VDD5
VDD5
BUP
BUP
SWVDD33
SWAC33
CCH1565-A
C2170
100u
16V
CCH1565-A
C2161
C2186
0.047u/10
C2184
4.7u/16
3216
C2143
NM
C2185
22p/50
C2190
NM
1608
C2163
CCG1223-A
C2162
CCG1223-A
C2166
NM
C2048
NM
C2217
NM
1608
D2181
HZU9R1(B2)
GNDD
GNDD
G
GNDD
G
GNDD
GNDD
GNDD
GNDD
GNDA GNDV
GNDD
GNDD
GNDD
GNDD
IC2181
LT3461AES6
Vfb=1.255Vtyp
SW1
1
GND
2
FB
3
SHDN
4
5
VOUT
6
VIN
L2181
CTF1473-A
L2161
CTH1257-A
UMD3N
Q2181
E1 1
B1 2
C2 3
E2
4
5 B2
6 C1
2S
Q2182
2SD1767(R)
LSA1576UB
Q2066
LSA1576UB
Q2071
NM
Q2061
R2189 6.8k
R2062
NM
R2061
NM
R2188 5.6k
R2071
2.2k
R2072
2.2k
R2067
4.7k
R
R2182
100k
R2183
160k
R2066
4.7k
8V
HV12
SVD
B
VD5
HVO
8EN
SWVDD33
VD8V
RDS57K
BCAMPW
ACCPW5
DDCLK
MOT0
SYSPW5
H/OSW
BUP
BSENS
MOT1
VDD5
MOTPWR2
GNDV
ANTON5
GNDA
GNDD
SWVDD33
ILMSNS
ASENS
ACC84
AU84
HIVOLT
VD8CONT5
AU84
GNDD
ILMV
SWACPW5
SWVDD5
SWAC33
HIVOLT14
SYSREV
VDD33
GPSREV
SPEED
PBSNS
D2162
RB050L-40
R2068
100k
R2063
NM
S-812C56AUA-C3K
IC2182
1
GND
2
Vin
3
Vout
R2266
NM
C2266
NM
NM
Q2266
R2102
1k
GNDM
GNDD
GNDRF
GNDFVRF
TUNAGND
TUNAGND
GNDD
GNDD
TUNAGND
POS_IN
HRHSLK
HRLK
HRDT
HRCK
D_FMTOS
D_STOFM
FMCLK
FMCE1
FMCE2
TUNSL
TVD3
R2101
1k
R2141
NM
R2271
NM
R2073
47k
R2153
0
GNDD
R2155
24k
P2151
CEK1254-A
1
2
C2152
NM
C2151
2.2u/25
D2151
RB160M-40
R2154 130k
R2152
20k
D2152
1SS352
LT3505EDD
IC2151
BOOST
1
SW
2
VIN
3
SHDN
4
5
GND1
6
RT
7
FB
8
VC
9
GND2
LS1VDD
VD5CONT
BD9781HFP
IC2161
1
VIN
2
SW
3
RT
4
GND
5
FB
6
INV
7
EN
L2162
CTH1254-A
NM
IC2141
1
VC
2
VIN
3
GND
4
VDD
5
C
GNDD
R2162
10k
R2167
10k
R2168
NM
R2166
3k
R2165
68K
C2167
0.1u/16
C2168
NM
C2171
NM
C2169
0.1u/50
LTC114EUB
Q2067
NM
Q2062
NM
Q2277
LTC114EUB
Q2072
R2142
NM
C2183
0.1u/16
1608
C2182
0.1u/16
1608
C2154
0.1u/16
R2144
NM
R2171
NM
R2268
NM
Q2031
LSC4081UB
FANUP
NKBUP
GND
GND
L2151
CTF1744-A-T
CAMVIN
I8V
VD8
R2143
NM
R2267
NM
R2140
NM
RSTIN
C2056
1u/16
C2187
1u/25
C2181
4.7u/25
3216
MUTEVO
GNDD
R2187
47k
HV14
S-812C56AUA-C3K
IC2190
1
GND
2
Vin
3
Vout
C2191
1u/25
R2190
5.6k
GNDD
C2173 4.7u/16
3216
GNDM
NM
C2144
C2142
NM
F2161
CCG1267-A
3
2
1
C2189
0.01u/25
C2193
0.01u/25
C2192
0.01u/25
C2188
0.01u/25
SCL
SDA
C2156
CCG1183-A
R2192
NM
2125
L2152
BTH1112-A
10u
VICSON
VICSON
R2185
12k
R2186
11k
GNDD
MPR2
FSL
FCE2
RSTI
FCE1
FCLK
DSTF
DFTS
TUL
TUR
C2043
NM
R2164
0
POIN
MOT1
MOT8
R2992
0
S-V
S-C
BCG
GNDD
NM
R2158
NM
C2157
R2151
22k
C2153
150p/50
C2155
220p/50
MUTEBUP
R2181
1.2k
R2191
6.2k
R2193
1.8k
UMF21N
Q2101
E1
1
B1
2
C2
3
E2
4
5
B2
6
C1
R2105
47k
R2106
1k
GNDD
MOTPWR5
MVD3
CKS5546-A
CN2101
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
L2183
CTF1389-A
C2101
0.01u/16
C2194
0.01u/25
C2195
0.01u/25
P2107
CEK1276-A
1
2
R2161
100k
P2161
CEK1259-A
1
2
L2182
CTH1426-A
R2993
3.3k
R2994
10k
R2995
33k
R2163
33k
P2162
CEK1282-A
1
2
R2251
1k
D2241
1SS352
R2997
0
R2996
0
D2161
NM
NM
C2160
NM
C2159
GNDD
D2160
RB051LA-40
R2160
NM
NM
C2158
C2172
CCG1223-A
10u
50V
R2103
0
R2074
0
(10K*2)
SWVDD33
SYSTEM
AUDIO
SWAC33
MT81V
(D)
(D)
(D)
(D)
(10uH)
(D)
BCAM6
91.5mA
Typ:450mA
MAX:1390mA
RUSH:1650mA
HIVOLT15
(10K*2)
SWVDD5
(22uH)
12.4V
13.8V
ILMPW
TUNER IF
BSENS
ASENS
ILMSNS
VDD5
VDD33
SWVDD
SWVDD5
SWAC33
BCAM6
ACC84
AU84
ANT+B
PREMUTE
AND CIRCUIT
REV
PKB
SPEED
KMODE
2001 - 2020
2021 - 2030
BUP
KEEP BUP
2031 - 2035
2041 - 2045
2046 - 2050
2051 - 2055
2056 - 2060
2061 - 2065
2066 - 2070
2071 - 2074
2086 - 2105
2140 - 2144
2121 - 2130
2131 - 2139
2151 - 2160
2161 - 2175
2181 - 2195
2266 - 2275
2216 - 2220
2226 - 2230
2231 - 2235
2236 - 2238
2239 - 2240
2241 - 2245
2251 - 2255
2276 - 2280
AMPMUTE
2281 - 2295
POWER AMP
ILMV
(D)
(D)
(D)
(D)
(LITTEL250mA)
(10K*2)
(50V)
MOT8
GNDM
MOTVDD33
TUN_R
D_FMTOS
RSTIN
GNDM
TUNAGND
MOTPWR5
MOT1
FMSL
POS_IN
FMCLK
MOT8
H/OSW
D_STOFM
MOT0
HRHSLK
AU84
HLDET
GNDFVRF
GNDRF
MOTPWR2
HRLK
GNDRF
TUN_L
FV33
NC
GNDT
MOT8
GNDT
GNDRF
GNDFVRF
SDA
NC
FVDETO
VICSON
VDD33
HRDT
FMCE1
ACC84
SCL
HRCK
GNDRF
FMCE2
4
45
44
1
2
3
CONTACT SIDE
(3216)
(D)
(3216)
(D)
LS1VDD
LS1VDD
Typ:192mA
220mA
MAX 520mA
430mA
(LITTEL1.5A)
LS1VDSW
2176 - 2180
MT81
(SOC3.15A)
(Rb=Rbe=10k)
(10K*2)
GNDM
GNDD
GNDD
MAX200mA
ROCK600mA
RUSH1030mA
2200mA max
(f=3MHz)
CCG1223
10u/50v/3225
CCH1565
100u/16V
22u/16V
HLDET/
HLDET/
HLDET/
REGION RESISTANCE
(SOC1A)
HIVOLT
(D)
2296 - 2300
AMP+B
22u
(D)
(D)
(D)
(D)
(D)
MOTVDD33
GNDD
GNDD
NM
UNUSED
MODEL RESISTANCE
/
/
NM
Mount
NM
NM
NM
NM
NM
NM
Mount
NM
NM
NM
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B
CN511
2/3
F
A
3/3
F
A
2/3
F
A
TUNER:-13.54 dBs
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QQ 376315150
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299