Pioneer DEH-P3700MP - Radio / CD User manual

ORDER NO.
PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2005
DEH-P3700MP/XU/UC
CRT3402
MULTI-CD CONTROL HIGH POWER CD/MP3/WMA PLAYERWITH FM/AMTUNER
DEH-P3700MP
/XU/UC
This service manual should be used together with the following manual(s):
Model No. Order No. Mech.Module Remarks
CX-3158 CRT3394 S10.1AAC CD Mech. Module :Circuit Description, Mech. Description, Disassembly
For details, refer to "Important Check Points for Good Servicing".
K-ZZA. JAN. 2005 Printed in Japan

DEH-P3700MP/XU/UC
2
1234
1234
C
D
F
A
B
E
SAFETY INFORMATION
CAUTION
This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.
Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair
complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.
If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so
and refer the repair to a qualified service technician.
WARNING
This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of
California to cause cancer, birth defects or other reproductive harm.
Health & Safety Code Section 25249.6 - Proposition 65
-Service Precaution
1. You should conform to the regulations governing the product (safety, radio and noise, and other
regulations), and should keep the safety during servicing by following the safety instructions
described in this manual.
2. Before disassembling the unit, be sure to turn off the power. Unplugging and plugging the connectors
during power-on mode may damage the ICs inside the unit.
3. To protect the pickup unit from electrostatic discharge during servicing, take an appropriate treatment
(shorting-solder) by referring to "the DISASSEMBLY".
4. After replacing the pickup unit, be sure to check the grating.

DEH-P3700MP/XU/UC 3
5678
5678
C
D
F
A
B
E
[Important Check Points for Good Servicing]
In this manual, procedures that must be performed during repairs are marked with the below symbol.
Please be sure to confirm and follow these procedures.
1. Product safety
Please conform to product regulations (such as safety and radiation regulations), and maintain a safe servicing environment by
following the safety instructions described in this manual.
1Use specified parts for repair.
Use genuine parts. Be sure to use important parts for safety.
2Do not perform modifications without proper instructions.
Please follow the specified safety methods when modification(addition/change of parts) is required due to interferences such as
radio/TV interference and foreign noise.
3Make sure the soldering of repaired locations is properly performed.
When you solder while repairing, please be sure that there are no cold solder and other debris.
Soldering should be finished with the proper quantity. (Refer to the example)
4Make sure the screws are tightly fastened.
Please be sure that all screws are fastened, and that there are no loose screws.
5Make sure each connectors are correctly inserted.
Please be sure that all connectors are inserted, and that there are no imperfect insertion.
6Make sure the wiring cables are set to their original state.
Please replace the wiring and cables to the original state after repairs.
In addition, be sure that there are no pinched wires, etc.
7Make sure screws and soldering scraps do not remain inside the product.
Please check that neither solder debris nor screws remain inside the product.
8There should be no semi-broken wires, scratches, melting, etc. on the coating of the power cord.
Damaged power cords may lead to fire accidents, so please be sure that there are no damages.
If you find a damaged power cord, please exchange it with a suitable one.
9There should be no spark traces or similar marks on the power plug.
When spark traces or similar marks are found on the power supply plug, please check the connection and advise on secure
connections and suitable usage. Please exchange the power cord if necessary.
0Safe environment should be secured during servicing.
When you perform repairs, please pay attention to static electricity, furniture, household articles, etc. in order to prevent injuries.
Please pay attention to your surroundings and repair safely.
2. Adjustments
To keep the original performance of the products, optimum adjustments and confirmation of characteristics within specification.
Adjustments should be performed in accordance with the procedures/instructions described in this manual.
4. Cleaning
For parts that require cleaning, such as optical pickups, tape deck heads, lenses and mirrors used in projection monitors, proper
cleaning should be performed to restore their performances.
3. Lubricants, Glues, and Replacement parts
Use grease and adhesives that are equal to the specified substance.
Make sure the proper amount is applied.
5. Shipping mode and Shipping screws
To protect products from damages or failures during transit, the shipping mode should be set or the shipping screws should be
installed before shipment. Please be sure to follow this method especially if it is specified in this manual.

DEH-P3700MP/XU/UC
4
1234
1234
C
D
F
A
B
E
CONTENTS
SAFETY INFORMATION.....................................................................................................................................2
1. SPECIFICATIONS ............................................................................................................................................5
2. EXPLODED VIEWS AND PARTS LIST............................................................................................................6
2.1 PACKING ...................................................................................................................................................6
2.2 EXTERIOR................................................................................................................................................. 8
2.3 CD MECHANISM MODULE.....................................................................................................................10
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM..........................................................................................12
3.1 BLOCK DIAGRAM................................................................................................................................... 12
3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)..............................................................................14
3.3 KEYBOARD UNIT.................................................................................................................................... 20
3.4 CD MECHANISM MODULE(GUIDE PAGE) ............................................................................................ 22
4. PCB CONNECTION DIAGRAM .....................................................................................................................32
4.1 TUNER AMP UNIT................................................................................................................................... 32
4.2 KEYBOARD UNIT.................................................................................................................................... 36
4.3 CD CORE UNIT(S10.1) ...........................................................................................................................38
5. ELECTRICAL PARTS LIST ............................................................................................................................ 40
6. ADJUSTMENT ............................................................................................................................................... 45
6.1 CD ADJUSTMENT................................................................................................................................... 45
6.2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT....................................................47
6.3 ERROR MODE ........................................................................................................................................49
6.4 SYSTEM MICROCOMPUTERTEST PROGRAM ...................................................................................50
7. GENERAL INFORMATION............................................................................................................................. 51
7.1 DIAGNOSIS............................................................................................................................................. 51
7.1.1 DISASSEMBLY .....................................................................................................................................51
7.1.2 CONNECTOR FUNCTION DESCRIPTION.......................................................................................... 54
7.2 PARTS...................................................................................................................................................... 55
7.2.1 IC ..........................................................................................................................................................55
7.2.2 DISPLAY...............................................................................................................................................63
7.3 OPERATIONAL FLOW CHART ............................................................................................................... 64
7.4 CLEANING...............................................................................................................................................65
8. OPERATIONS ................................................................................................................................................ 66

DEH-P3700MP/XU/UC 5
5678
5678
C
D
F
A
B
E
1. SPECIFICATIONS

DEH-P3700MP/XU/UC
6
1234
1234
C
D
F
A
B
E
2. EXPLODEDVIEWS AND PARTS LIST
2.1 PACKING
N
OTES : • Parts marked by " * " are generally unavailable because they are not in our Master Spare Parts List.
• The >mark found on some component parts indicatesthe importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts of identical designation.
• Screw adjacent to mark on the product are used for disassembly.
• For the applying amount of lobricants or glue, follow the instructions in this manual.
(In the case of no amount instructions,apply as you think it appropriate.)
"
6

DEH-P3700MP/XU/UC 7
5678
5678
C
D
F
A
B
E
PACKING SECTION PARTS LIST
Owner's Manual,Installation Manual
Mark No. Description Part No.
1 Polyethylene Bag CEG1173
2 Cord Assy XDE7008
3 Accessory Assy CEA4610
4 •••••
5 Screw Assy CEA4611
6 Fixing Screw(M2x4) CBA1488
7 Screw CBA1650
* 8 Polyethylene Bag CEG-127
9 Screw CRZ50P090FTC
10 Screw TRZ50P080FTC
* 11 Polyethylene Bag CEG-158
12 Handle CNC5395
13 •••••
14 •••••
15 Bush CNV3930
16 Remote Control Unit CXC3173
* 17 Battery CEX1065
18 Carton CHG5430
19 Contain Box CHL5430
20 Protector XHP7003
21 Protector XHP7004
22-1 Owner's Manual CRD3953
22-2 Installation Manual CRD3954
22-3 Caution Card CRP1294
* 22-4 Card ARY1048
22-5 Caution Card CRP1310
Mark No. Description Part No.
Part No. Language
CRD3953 English, French, Spanish
CRD3954 English, French, Spanish

DEH-P3700MP/XU/UC
8
1234
1234
C
D
F
A
B
E
2.2 EXTERIOR

DEH-P3700MP/XU/UC 9
5678
5678
C
D
F
A
B
E
EXTERIOR SECTION PARTS LIST
Mark No. Description Part No.
1 Screw BMZ40P140FTC
2 Screw BSZ26P060FTC
3 Screw BSZ30P060FTC
4 Screw BSZ30P200FTC
5 Cable CDE7189
6 Case CNB2793
7 Holder CNC8659
8 Earth Plate CNC8915
9 Cushion CNM8890
10 Panel CNS8046
11 Holder CNV7619
12 Tuner Amp Unit CWM9786
13 Screw ASZ26P060FTC
14 Screw BPZ26P080FTC
15 Screw BSZ26P160FTC
16 Pin Jack(CN351) CKB1054
17 Plug(CN981) CKM1376
18 Connector(CN101) CKS3408
19 Connector(CN721) CKS3837
20 Connector(CN671) CKS4124
21 Connector(CN832) CKS4944
22 Antenna Jack(CN401) CKX1056
23 Holder CND1325
24 Holder CND1328
25 Heat Sink CNR1668
26 Holder CND1054
27 Terminal(CN402) VNF1084
28 Insulator XNM7031
> 29 Fuse(10A) YEK5001
30 Remote Control Unit CXC3173
31 Cover CNS7068
32 Detach Grille Assy CXC3894
33 Screw BPZ20P100FZK
34 Spring CBH2210
35 Connector(CN1801) CKS4943
36 Sheet CNM7932
37 Connector CNV7369
38 LCD(LCD1801) YAW5015
39 Holder YNC5005
40 Cushion YNM5004
41 Lighting Conductor YNV5004
42 Lighting Conductor YNV5005
43 Rubber YNV5006
44 Grille Unit CXC3909
45 Knob(VOLUME) YAA5001
46 Button(DETACH) YAC5027
47 Button(SOURCE) YAC5030
48 Button(1-6, DISPLAY) YAC5031
49 Button(AUDIO, LOUDNESS) YAC5032
50 Button(BAND) YAC5033
51 Button(EJECT, FUNCTION) YAC5034
52 Button(UP, LEFT) YAC5035
53 Button(DOWM, RIGHT) YAC5036
54 Button(CLOCK, EQ) YAC5039
55 Spring YBL5001
56 Cover YNS5038
57 CD Mechanism Module(S10.1AACA) CXK5668
58 Screw ISS26P055FTC
59 Cord Assy XDE7008
60 Insulator XNM7106
61 Insulator YNM5012
62 Chassis Unit YXA5080
63 Button(DETACH) CAC4836
64 Spring CBH1835
65 Spring CBH2208
66 Spring CBH2367
67 Bracket CNC6791
68 Holder CNC8042
69 Cover CNM6276
70 Arm CNV4692
71 Arm CNV4728
72 Arm CNV5576
73 Screw IMS20P030FZK
74 Panel YNS5046
75 Choke Coil(L981) CTH1291
76 FM/AM Tuner Unit(Y401) CWE1646
77 IC(IC301) PAL007A
78 Transistor(Q751, 901) 2SD2396
79 IC(IC911) NJM2388F84
80 IC(IC1802) TSOP4840SB1
Mark No. Description Part No.

DEH-P3700MP/XU/UC
10
1234
1234
C
D
F
A
B
E
2.3 CD MECHANISM MODULE
A
D
H
L
M
NO
Q
R
A
B
C
D
E
F
GH
I
J
K
L
M
N
O
Q
B
16
25
13 83
42
68
28
82
4
71
23
J
K
38
23
59
87
86
5
13 34
5
5
13
44 5C
52
53
36
4
73
29
51
18
64
76
50
10
72
75
49
77
67
27
78
60
90 48
8
17
46
6
60
11 89
43
70
14
31
65
85
66
85
31
35 14
74
85
1
2
3
R
91
12
33
61
63
21
79
57
58
62 80
13
4
86
I
45
28
7
24
47
P
41
20
40
69
39
30
P
19
56
F
E22
81
15
G26
5
54
37
55
93
92
10
C
1GEM1024
2GEM1045
3GEM1035
1
1
1
1
1
1
1
1
2
2
2
2
1
1
1
1
1
2
2
1
3

DEH-P3700MP/XU/UC 11
5678
5678
C
D
F
A
B
E
CD MECHANISM MODULE SECTION PARTS LIST
Mark No. Description Part No.
1 CD Core Unit(S10.1) CWX3096
2 Connector(CN101) CKS4182
3 Connector(CN901) CKS4017
4 Screw BMZ20P035FTC
5 Screw BSZ20P040FTC
6 Screw(M2x4) CBA1362
7 Screw(M2x3) CBA1824
8 Screw(M2x3) CBA1825
9 •••••
10 Washer CBF1038
11 Washer CBF1060
12 Spring CBH2390
13 Spring CBH2606
14 Spring CBH2607
15 Spring CBH2608
16 Spring CBH2609
17 Spring CBH2610
18 Spring CBH2735
19 Spring CBH2612
20 Spring CBH2613
21 Spring CBH2614
22 Spring CBH2615
23 Spring CBH2616
24 Spring CBH2617
25 Spring CBH2620
26 Spring CBH2621
27 Spring CBH2641
28 Spring CBH2642
29 Spring CBH2643
30 Spring CBH2659
31 Spring CBH2688
32 •••••
33 Shaft CLA4441
34 Frame CND2443
35 Frame CNC9963
36 Bracket CND2712
37 Bracket CND1895
38 Arm CNC9968
39 Arm CND1909
40 Lever CND2032
41 Lever CNC9984
42 Sheet CNM8134
43 Collar CNV8447
44 Guide CNV8448
45 Arm CNV8403
46 Rack CNV8374
47 Holder CNV8376
48 Holder CNV8377
49 Arm CNV8378
50 Gear CNV8379
51 Gear CNV8380
52 Gear CNV8381
53 Gear CNV8382
54 Gear CNV8383
55 Gear CNV8384
56 Rack CNV8385
57 Arm CNV8386
58 Arm CNV8387
59 Guide CNV8388
60 Roller CNV8189
61 Gear CNV8389
62 Arm CNV8391
63 Arm CNV8390
64 Arm CNV8392
65 Damper CNV7313
66 Damper CNV7314
67 Arm CNV8394
68 Arm CNV8395
69 Guide CNV8396
70 Guide CNV8397
71 Holder CNV8398
72 Arm CNV8402
73 Gear CNV8400
74 Damper CNV7618
75 Motor Unit(M1) CXC4440
76 Chassis Unit CXC2318
77 Screw Unit CXB8729
78 Gear Unit CXC2397
79 Arm Unit CXC2316
80 Arm CND1896
81 Arm CND1894
82 Motor Unit(M2) CXB8933
83 Bracket CNC9985
84 •••••
85 Screw(M2x5) EBA1028
86 Screw JFZ20P020FTC
87 Screw JGZ17P022FTC
88 •••••
89 Washer YE20FTC
90 Pickup Unit(P10)(Service) CXX1647
91 Screw IMS26P030FTC
92 Spring CBL1635
93 Clamper CNV8372
Mark No. Description Part No.

DEH-P3700MP/XU/UC
12
1234
1234
C
D
F
A
B
E
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
BRST,BRXEN,BSRQ
C
CN901
Q101
M
LASER
DIODE
MONITOR
DIODE
S903
DSCSNS
FOCUS ACT.
M1
SPINDLE
MOTOR
M
M2
LOADING/CARRIAGE
MOTOR
TRACKING ACT.
LD-
MD
FOP
TOP
15
5
1
4
PICKUP UNIT
(P10)(SERVICE)
HOLOGRAM
UNIT
IC 301
BA5835FP
IC 201
UPD63763GJ
IC 703
3V REGULATOR
RF AMP, CD DECODER,
MP3 AND WMA DECODER,
DIGITAL SERVO/DATA PROCESSOR
CD
DRIVER
3
VD
VD
3VDD
10
LOUT
5
CN101
TOP
FOP
16 SOP
15 SOM
18 LCOP
17 LCOM
22
2
LOEJ
31
LOUT
9
CONT
12 FOP
FD,TD
AC,BD
E,F
SD,MD
3
13 TOP
S901
HOME
S904
12EJ S905 8EJ
LD+ 14
142 LD
143 PD
CD CORE UNIT(S10.1)
1312
X701
DSCSNS
CONT
LOEJ
HOME
32
97
53
47
VDD
IC 203
NJM2885DL1-33
3.3V REGULATOR
V3R3D 1
3
VDCONT 49
S-812C33AUA-C2N
MICRO
COMPUTER
IC 701
PE5454A
4
V3R3D
19
BDATA,BSCK
VD2
VDD
2
15
5
1
4
14
VD2
VDCONT
30
31 8EJ
12EJ
X1 X2
reset 14 15
RESET
CD3VON 46
1
CD3VON
3
6
5
75
IC 101
HA12240FP
E
TUN L
4
CDL
SYSTEM
I
C
P
CN401
1
2,3
CN721
CN101
TUNER AMP UNIT
CD L
A
TUN 3.3V
SYS +B
VDD
ANTENNA
Q101
Q102
Q761
Q762
IC 431
NJM4558MD
IP-BUS
14
A
B.UP
VDD
B.UP
5
34
2
VDCONT
RESET RST2
BUSL+
ASENBO
Q751
BRST,BRXEN,BSRQ,BDATA,BSCK
21
5
19
9
7
BUSL-
11
6
1
5
BUS+
BUS- DOUT
STBY
DIN1
RX
IPPW
TX
2
1
8
85
86
ASENBO
71
24
5
8
VD2
CD3VON
22
23
20 Q753
VD1
FMRF
ANT adj RF adj
FM ANT
T51 CF52
CF51
RFGND OSCGND DGND AUDIOGND NC VCC VDD_3.3
3.3V 2.5V
IC 4
3.3V 2.5V
←
IC 2
2.5V
WC
CE2
ROM_VDD
SL
DI
CK
CE1
NC
DO
NC NC NC NC
7 6 13 5 10 9 8 11 14 18 19 20 21
1
3
212 1522 16 4 17
IC 1
3.3V
AM ANT FMRF
ATT
LPF
OSC
IC 3 EEPROM
5.0V
IC 5
5V 3.3V
←
ATT
MIXER, IF AMP DET, FM MPX
24
23
Rch
Lch
FM/AM TUNER UNIT

DEH-P3700MP/XU/UC 13
5678
5678
C
D
F
A
B
E
FL-
FL+
RL-
RL+
14
8
6
5
7
16
11
15
BACK UP
GND
FUSE
10A
ACC
B. REM
11
R Lch
IN2-L
IN4-L
IN4+L
IN3-L
3
6
5
7
IC 231
PML003AM
ELECTRONIC VOLUME/
SOURCE SELECTOR
TUN L
4
CDL
10
F Lch
IC 1801
PD6340A
LCD DRIVER/
KEY CONTROLLER
KEY DATA
LCD1801
11
13
VDD
B.UP
92
93
37
MUTE
21
23
3
5
FL-
VCC3/4 VCC1/2
FL+
RL-
RL+
ACC
FLIN
12
22
AMP
IC 601(1/2)
PE5467A
SYSTEM CONTROLLER
IC 601(2/2)
PE5467A
IC 651
BD4834G
IC 301
PAL007A
VDD Q901
Q931
VDD
MUTE
3
5
CN1801CN832
Q851
Q852
KEYBOARD UNIT
EVCK, EVDT, EVST
6
7
Q301
Q371
Q391
B.UP
Q871
18
20
DPDT
KYDT
SYSTEM CONTROLLER
VDD 5V REG
BACKUP SENSE
ACC SENSE
14
8
6
5
7
16
15
B
CN981
TUNPCE1
TUNPDO
TUNPDI
99
32
98
94
TUNPCK
97
TUNPDO
TUNPDI
CE1
TUNPCK
Q902
DALMON 10
4
8
10
9
3
5
6
7
4
8
10
9
SOURCE
VOLUME
LAMP
IL1801
SWVDD
SWVDD
SRC
DSENS
ILM
ROT1
ROT0
DPDT
KYDT
S1827
SWVDD 1
SRC 59
90
ILMPW 20
ROT1 56
ROT0 57
DPDT 96
KYDT 95
R Lch
CN351
8
4
SL
74
SL
RLIN
14
SWVDD
DSENS
Q872
BSENS
ASENS
X1
X2
16
X601
12.58291MHz
15
XO
XI
22
X1801
5.00MHz
23
Q352
F Lch
Q351
RESET
4
SYSPW
SYSPW
STBY
TU 3.3V
TUN 3V REG.
MUTE
MUTE
IC 911
NJM2388F84 B.UP
SYS 8V REG.
SYS+B
IC 921
NJM2391DL1-33
CE2 TUNPCE2
ARST2
B.UP
B.UP
B.UP
20 6
21
SYSPW
10
56 VLCD
VDD
CN671
STRKEY2
STRKEY1
58
75
1 2 3
11
25
1213
4
B.REMOTE
IC 431
N
JM4558MD
RESET
BSENS
ASENS
KEY MATRIX
REAR OUTPUT
FRONT OUTPUT
WIRED REMOTE CONTROL
17
1
3
REM
IC1802
TSOP4840SB1
REM.CON.
B.UP
RX
IPPW
TX
85
86
ASENBO
71
24

DEH-P3700MP/XU/UC
14
1234
1234
C
D
F
A
B
E
3.2 OVERALL CONNECTION DIAGRAM(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-a
A
dalmon
mute
NC
NC
NC
NC
src NC NC TSCK/BSCK TSI/BSI ASENSBO
Decimal points for resistor
and capacitor fixed values
are expressed as :
2.2 2R2
0.022 R022
←
←
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.
Symbol indicates a resistor.
No differentiation is made between chip resistors and
discrete resistors.
NOTE :
Symbol indicates a capacitor.
No differentiation is made between chip capacitors and
discrete capacitors.
>
BCN1801
C
CN901
FM/AM TUNER UNIT
CD-DA, MP3 : 0.2dB
1432
576
811109
IP-BUS : 2.2dB
FM(30%) : -30dB AM(30%) : -30dB
FM(30%) : -31dB
AM(30%) : -31dB
IP-BUS : 2.2dB
CD-DA, MP3 : 0.2dB

DEH-P3700MP/XU/UC 15
5678
5678
C
D
F
A
B
E
A-b
A-a A-b
A-a A-b
A-b
A-a
A
600µH
BACKUP
GND
RL
RL+
FL
FL+
B.REM
ACC
RR
RR+
FR
FR+
dalmon
swvdd
dsens
TSCK/BSCK TSI/BSI NC ASENSBO
NC
NC
BEEP
>
ATUNER AMP UNIT
FRONT
R CH
FRONT
L CH
REAR
R CH
REAR
L CH
B
B
B
B
AM(30%) : -5.9dB
FM(30%) : -5.9dB
IP-BUS : 10.3dB
CD-DA, MP3 : 10.3dB
FM(30%) : -6.66dB
AM(30%) : -6.66dB
IP-BUS : 9.54dB
CD-DA, MP3 : 9.54dB
FM(30%) : 20.1dB
ASENS
and
BSENS
AM(30%) : 20.1dB
IP-BUS : 36.3dB
CD-DA, MP3 : 36.3dB
>

DEH-P3700MP/XU/UC
16
1234
1234
C
D
F
A
B
E
A-a A-b A-a
A-a
A-b
1
dalmon
mute
C
CN901
CD-DA, MP3 : 0.2dB
1432
576
811109
IP-BUS : 2.2dB
FM(30%) : -31dB
AM(30%) : -31dB
IP-BUS : 2.2dB
CD-DA, MP3 : 0.2dB

DEH-P3700MP/XU/UC 17
5678
5678
C
D
F
A
B
E
A-a A-b A-a
A-a
A-b
2 3
dalmon
mute NC NC NC NC
src
NC
NC
TSCK/BSCK
TSI/BSI
NC
ASENSBO
Decimal points for resistor and capacitor fixed values are expressed as : 2.2 2R2 0.022 R022
←
←
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.
Symbol indicates a resistor. No differentiation is made between chip resistors and discrete resistors.
NOTE :
Symbol indicates a capacitor. No differentiation is made between chip capacitors and discrete capacitors.
>
B
CN1801
FM/AM TUNER UNIT
FM(30%) : -30dB
AM(30%) : -30dB

DEH-P3700MP/XU/UC
18
1234
1234
C
D
F
A
B
E
A-a A-b
A-b
1
dalmon
swvdd
BEEP
A
TUNER AMP UNIT
FRONT R CH
FRONT L CH
REAR R CH
REAR L CH
AM(30%) : -5.9dB
FM(30%) : -5.9dB
IP-BUS : 10.3dB
CD-DA, MP3 : 10.3dB
FM(30%) : -6.66dB
AM(30%) : -6.66dB
IP-BUS : 9.54dB
CD-DA, MP3 : 9.54dB
>

DEH-P3700MP/XU/UC 19
5678
5678
C
D
F
A
B
E
A-a A-b
A-b
2 3
600µH
BACKUP GND
RL
RL+
FL FL+
B.REM ACC
RR
RR+
FR FR+
dalmon
swvdd
dsens
NC
ASENSBO
NC NC
BEEP
>
FM(30%) : 20.1dB
ASENS
and
BSENS
AM(30%) : 20.1dB
IP-BUS : 36.3dB
CD-DA, MP3 : 36.3dB

DEH-P3700MP/XU/UC
20
1234
1234
C
D
F
A
B
E
3.3 KEYBOARD UNIT
B
FUN
DIS
YAW5015
5.00MHz
LCD DRIVER/
KEY CONTROLLER
For resistors and capacitors in the circuit diagrams, their resistance values or
capacitance values are expressed in codes:
Ex. *Resistors
Code Practical value
123 12k ohms
103 10k ohms
*Capacitors
Code Practical value
103 0.01uF
101/10 100uF/10V
NOTE :