Tuner Amp Unit (External I/F Part) - Pioneer MVH-280FD Service Manual

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TUNER AMP UNIT (EXTERNAL I/F PART)

C1223
PLch
CCG1192
MUTE
2125
10u/10
C1222
CCG1192
PRch 2125 R1225
10u/10 820
FLch *C1219 *R1222
820
CCG1192
10u/10
2125
SYS+B5.7V
FRch *C1218 *R1221
CCG1192
820
10u/10
2125
SYS+B5.7V
MUTE
MUTE_u-Con
MUTE_PW_IC
CN1201
B
CN1931
GRILLE
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RL FL
RR FR
R1226
820 Set back chart
TP1206
C1325 interference
P1201
(CEK1286-) C/M
1 2
P1202
1 2
*JA1202
PL
FSMD075-
CKB1109-A
P1203
GND
PR 3
1 2 GND
CEK1404-A
2
1
FL
6
5
FR
4
RCAG
C1232 C1231
0.1u/10 0.1u/10
GND GND GND
GND
A
NM because No need
AUX:+10.2 dBs
MUTE_PWIC *JA1201
R1229 R1230
NM B
NM
CKS6437-
AUX:+10.2 dBs (CKS4124-)
Q1204
3 4
2 5
1 6
EMD52
MUTE
GND
GND
ILM+B
USB5V
C1201
1000p/50
1608
CKS6452-
GND
R1201 R1202
1608
DSENS 20
2.2k
AUXL (J)
19
SOURCE 18
R1203 22k
AUXR
17
AUXGND 16
DP
15
NC
14
DM
13
USB5
NC 12
USB5V
11
DPDT 10
USBGND
9
KYDT 8
USBGND
7
ROT0 6
ILM+B
5
ROT1 4
SWVDD
3
ILMGND 2
DGND
1
TP1207 TP1208
1608
C1203
USBGND
1u/16
1608
DGND C1204
1u/16
1608
C1233
1u/16
1
USBGND
GND
ILMGND
External I/F
W.REM
Steering W,REM B only
*Q1201
3 4
2
5
1 6
GND EMD53
KEYAD2
KEYAD2_A
*R1217 1k
KEYAD1
1
KEYAD1_A
3
2
*R1218
1k
C1234
NM
1005
GND GND GND
R1207 2.2k
R1204 100
22k
R1205 100
R1206 100
L1201
1 2 R1208
22
4 3 R1209 22
CTF1713-
R1210
2.2k
R1211 2.2k
R1213 2.2k
R1214 2.2k
L1202
NM
GND
SWVDD
GND
VDD3.3V
WIREDCNT1
FL_RCA
FL_RCA
FR_RCA
FR_RCA
PL_RCA
PL_RCA
PR_RCA
PR_RCA
AUXL
AUXL
KEYAD2
AUXR
AUXR
KEYAD1
AUXG
AUXG
WIREDCNT1
WIREDCNT1
KEYAD1
KEYAD1
KEYAD2
KEYAD2
MUTE_u-Con
MUTE_u-Con
DSENS DSENS
DSENS
SSENS SSENS
SSENS
DP
DP
DM
DM
AUXL
DPDT
DPDT
KYDT
KYDT
AUXR
ROT0
ROT0
AUXG
ROT1
ROT1
DP
DM MUTE_PW_IC
MUTE_PW_IC
DPDT
KYDT
ROT0
SWVDD5V
ROT1
IC1201
DPDT
1 5
INB Vcc
2
INA
3 4
GND OUTY
TC7SET08FUS1
GND
MODEL
A MVH-280FD/XNEW5
B MVH-X285FD/XNES
A
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A
5/11
A
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The mark found on some component parts indicates
the importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts of
identical designation.
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