Tuner Dsp Unit(Power Supply) - Pioneer DEX-P99RS/UC Service Manual

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10.2 TUNER DSP UNIT(POWER SUPPLY)

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3 7 63 1515 0
A
431 440 : TUNER 8V
441 450 : TUNER 3.3V
781 790 : VDD 5V
791 800 : VDD 3.3V
801 810 : SWVDD 5V
811 820 : OEL+B 15.5V
821 830 : FLAP MOTOR VM 6.5V
831 840 : MECHA VD 7.5V
841 850 : USB 5V
851 860 : MCK 8V
861 870 : AUDIO 8V
871 880 : AUDIO 5V
881 890 : DIGITAL 3.3V
891 900 : ILL+B 8V
901 920 : DSP 1.2V
921 940 : AUDIO -8V
B
C
AUDIO -8V
R921 R924
TE
L 13942296513
39k D% 0
VR921
DDFCNT R925
CCP1448-A
1
3
5.1k D%
Q921
2
DTC124EUA
10k(B) R926
100
D
Q922
2SA1797(PQ)
C1
6
B2
5
E2
4
E
www
F
A
2/4
60
1
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2
DIGITAL3.3V
3.3V
D33V
L881
1u
DGND
R928 R933
C928
0.047u/50
8.2k
3.6k D%
D%
IC921
C921
120p/50
R930
1 10
CT FB
2 9 10k
RT IN-
C922 R934
3 8
SCP IN+
33k D%
0.22u/16 4 7
L923
GND VREF
CTH1267-A
L922
5 6
OUT Vcc
220u
10u
AN8015SH
C924
0.1u/16
AGND
C925
0.1u/16
AM8G
C927
4.7u/16
FREQ2
FREQ1
D921
CTH1267-A
SC802-06
Q923
UMZ1N
E1
1
B1
2
C2
3
AGND
DSP1.2V
1.2V
D12V
D12
x ao
y
DGND
. i
DEX-P99RS/UC
2
http://www.xiaoyu163.com
3
8
AUDIO5V A8V
IC871
NJM2885DL1-05
5.0V
8.6V
A5V A8V
A5 A8V
Q861
2SB1708
AGND AGND
Q862
DTC143EUA
IC881
NJM2885DL1-33
AGND
D33
DGND
-8.5V
A-8V
AM8V
Q Q
3 6 7 1 3
AGND
>
Q924
NM
R936
NM
AM8
L924
220u
Q925
NM
L901
D18
CTH1431-A
1.8V
15u
DGND
u163
.
DGND
3
4
2 9 9 4 2 8
POWER BUS
8.7V
MCK8V
MCK8V
MCK8
Q851
2SD2396(K)
Q852 R852
C2 3 E2
4
470
B1 2 5 B2
E1 1 6 C1
UMD3N
AGND
8.5V
IL+B
IL+B
Q891
2SD1760F5(R)
R892
4 5
3 6
2
7
1 8
100
1 5 0 5 8 2 9
Q892
C2 3 E2
4
B1 2 5 B2
E1 1 6 C1
UMD3N
ILMGND
D902
1SR154-400
IC902
1 8
PVIN VIN
2 7
SW
GND
3 6
DSYNC4
FB RT
R907
4 5
INV EN/SYNC
0
m
BD9007F
co
DGND
4
9 9
DALMON
SYSPW
U
5.1V
9 4 2 8 USB5V 9 9
USB5
ILMPW
USBGND
SYSPW2
DSYNC3
DDSYNC