Schematic Diagram; Tuner Amp Unit(Guide Page) - Pioneer DEH-3250UB/XNES Service Manual

1

SCHEMATIC DIAGRAM

TUNER AMP UNIT(GUIDE PAGE)

A
Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or
"ELECTRICAL PARTS LIST".
Large size
SCH diagram
A-a A-b
A-a A-b
Guide page
Detailed page
A-a A-b
B
C
D
E
NOTE :
NM : No Mount
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
F
identical designation.
A
F
10
1
2
EVOL 201 - 250
RCA 251 - 300
AMP 301 - 400
TUNER 401 - 500
USB REG 501 - 600
UCOM 601 - 670
DeENPHASIS 671 - 680
CLOCK 681 - 690
ROM CRT 691 - 700
CD MECHA 701 - 710
USB 5V 711 - 750
CD VD 751 - 800
GRILL 801 - 900
PW CONNECT 901 - 910
IC REG 911 - 920
ASENS 921 - 930
W.REM 941 - 950
A.ANT 951 - 955
TUNER
GND
GND
Z401 R405
FM(ES)(10%):-33.5 dBs
AM(ES)(15%):-30.0 dBs
1k
SLOUT
SLOUT
CE2
20 R404
CE2
DO R409 390
19
DO
CE1 R410 680
18
CE1
CK R411 680
17
CK
R412 680
16 DI
DI
15 T3V L403 CTF1473-A
VDD
R413 4.7k
14 LDET
LDET
R406 1k
13
REFINB
12 R407 1k
REFINA
11 TUNG
DGND
10
IFOUTB
9
IFOUTA
SL
8
SLIN
VCC GND
7
VCC
RFGND
6
RFGND4
5
RFGND3
4
RFGND2
L402 2.2u
3 8.5V
RFGND1
CN402
2
ANT
M2R6TP_GND
1
ANT401
ANT
CKX1070
AR401
1
3
IMSA-6802-01Y900
2
RF GND
D501
USB
1SR154-400
L501
USB5V
CTH1420-A
GND
GND GND
GND
Symbol indicates a resistor.
No differentiation is made between chip resistors and
discrete resistors.
Symbol indicates a capacitor.
No differentiation is made between chip capacitors and
discrete capacitors.
DEH-3250UB/XNES
2
3
A -a
F
SYS+B
B.UP
SWVDD3V
1.5V
SLOUT
1k
CE2
DO DO
CE1
CK
DI
L401 2.2u
ROM CORRECTION
R401
LDET CE2
NM
REFB ROT0
REFA ROT1
5
6
7
8
IFB
IFA
SL-IN
GND
L602
VST
VDT
VCK
GND
VDCONT
EJECT
KEYD KEYD
FLPILM
Vbatt_A
SLOUT
IC501
CSENS
1 8
PVIN VIN
2 7
SW GND
KEYAD KEYAD
3 6
FB RT SYNC SYNC_A
4 5
SYNC
INV EN/SYNC
BD9007F
GND
SWVDD3V
FLG
FLG
USBCTL
USBCTL
GND
GRILL
FLAPILM
1
EJECT
2
KYDT
3
DPDT 4
USB5V
5
USBGND 6
DM 7
8
USBGND
D
DP 9
ILM+B 10
CN2 SOURCE 11
ROT0 12
ROT1 13
NC
14
AUX L
15
NC 16
AUX R 17
AUXGND 18
CSENS 19
SW5V 20
ILMGND 21
DGND
22
CN831
CKS3836-A
3
CD
CN651
CKS3833-A
CD VD
Q751
14.35V
2SD2396(JK)
7.6V
8.1V
Q752
8.2V
RT3T22M
8.2V
E2
4 C2 3
8.5V
B2 5
B1 2 R708
C1 6 E1 1
100k
GND
GND
CN602
M2R6TP_GND
GND
GND
GND
109
CE2
110 ROT0
ROT1
IC691 NM TESTIN 111
TESTIN
112
R691 RDT
GND DO ROMDATA
4 RCLK 113
NM
TEST DI ROMCK
3 114
RCS
NC SK ROMCS
2 SELF0 115
VCC CS SELFOUT
1 116
SELF1
NC
R692
117
NC
118
NM
BVSS
119
BVDD
R605 120
DVDD4
0 0.1u/10
121
DGND3
CTF1473-A C633 122
VST
123
VDT
124
VCK
125
VDCONT
126
FLMD1
NC
C647 R617
127
FLMD1
128
NM 47k
EJECT
GND
129
KEYD
130
FLIPILM
131
NC
132
P7AVSS
133
P7AVDD
134
AVSS
135
SL
R685 136
NC
R686
100k 137
NC
R687
138
100k
NC
139
100k
CSENS
140
MODELAD
141 KEYAD
NC
R674 142
AVREF0
143
100k
144
L601 NM
GND
GND
R836
FLPILM
100k
CSEN
ROT0
ROT1
ILM
SW5V_
R805
AUXL
100
C816
AUXG
NM
L802 NM
AUXR
C817
USDM R804 100 NM
US5V
USDP
EJECT
SRC
ILMCLR2
ILMCLR1
KYDT
DPDT
USGND
ILMG
DGND C821
C820 0.1u/16
0.1u/16
GND
GND ILMGND
GND
4
CD/USB(-20 dB):-19.4 dBs
C
CN701
GND
GND
GND CD_Lch
CD_Rch
C703
0.1u/10
R701
NM
UGND
GND
L620
1.5V
NM
2SD1858(QR)
NM
Q601
C636
GND
IC601
PN5035B
GN
R665
NM
R664
GND
2.2k
R655
NM
R656
100k
R657
100k
R659 R60
4.7k
47k
R660
4.7k
R60
47k
GND
D801 MALS06
D802 MALS06
ILMGND
4