Tuner Amp Unit (Supply For Power Part) - Pioneer MVH-280FD Service Manual

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TUNER AMP UNIT (SUPPLY FOR POWER PART)

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VOLTSNS
SYNC
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DDCEN
DDCEN
Supply for Power Amp
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VDD3.3V
BUP Voltage Sense
R352 D352
10k
DZ2J075M0
DAN217UM
D351
DGND
GND
For study noise
R309 R310 R311
10k 43k 2.7k
1608 1608 1608
R308
GND
120k
1608
AP3603-TBB
IC301
R321
1 20
C310
FSYN FSYN
RSP1
1608 RSP1
2 19
NM
RT
RT RSN1
3 RSN1 18
470p/50
FB1
FB1 DRV1
R306 DRV1
R323 4 17
CC1
CC1 GND2
1608 0
22k 5 GND2 16
21
GND1 GND1
VDD
C311 2125 6 VDD 15
EP
SS
SS V8
CCG1383-A R327
7 V8 14
1u/50 CC2
CC2 V4
0
V4
8 13
FB2
R320 FB2 DRV2
R307
9 DRV2 12
22k 1608 PWON PWON RSN2
10 RSN2 11
0
MDC
MDC RSP2 RSP2
C309
1608
470p/50
AP3603
GND
R353
4.7k
1/4W
3225
CTH1616-A
GND
R319
10
1608
GND
CTH1616-A
NVMFS5834NL-TBB
GND
R322
10
1608
4
GND
D301
L301
1
A1
2
A2
5
5
Q301 D
3 K
A3
G
4
NC
4
NRVB2045EMFS
1 2 3
S1 S2 S3
NRVB2045EMFS-TBB
D302
L302
1
A1
2
A2 5
3 K
A3
Q302 D 5
4
NC
G
4
NRVB2045EMFS
1 2 3
S1 S2 S3
GND
MODEL
A MVH-280FD/XNEW5
B MVH-X285FD/XNES
Power Amp
20V
3
L303
CTH1616-A
GND
GND p
R313
0
GND GND
R325
1608
NM
R326
NM 1608
GND GND
C/M tuner beat
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