PIONEER DEH-P780MP, DEH-P7800MP, DEH-P8850MP Service Manual

ORDER NO.
CRT3649
DEH-P780MP/XN/UC
MULTI-CD CONTROL DSP HIGH POWER CD/MP3/WMA/AAC PLAYER WITH FM/AM TUNER
DEH-P780MP
DEH-P7800MP DEH-P8850MP
This service manual should be used together with the following manual(s):
Model No. Order No. Mech.Module Remarks
CX-3164 CRT3583 S10.5COMP1 CD Mech. Module : Circuit Descriptions, Mech. Descriptions, Disassembly
/XN/UC
/XN/ES
/XN/UC
For details, refer to "Important Check Points for Good Servicing".
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 2006
K-ZZD.MAR. 2006 Printed in Japan
1234

SAFETY INFORMATION

CAUTION
A
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.
W
ARNING
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.
B
Health & Safety Code Section 25249.6 - Proposition 65
- Safety Precautions for those who Service this Unit.
• When checking or adjusting the emitting power of the laser diode exercise caution in order to get safe, reliable results.
Caution:
1. During repair or tests, minimum distance of 13cm from the focus lens must be kept.
2. During repair or tests, do not view laser beam for 10 seconds or longer.
C
- 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.
D
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.
5. Be careful in handling ICs. Some ICs such as MOS type are so fragile that they can be damaged by electrostatic induction.
E
F
2
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DEH-P780MP/XN/UC
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[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.
1 Use specified parts for repair.
Use genuine parts. Be sure to use important parts for safety.
2 Do 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.
3 Make 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)
4 Make sure the screws are tightly fastened.
Please be sure that all screws are fastened, and that there are no loose screws.
5 Make sure each connectors are correctly inserted.
Please be sure that all connectors are inserted, and that there are no imperfect insertion.
6 Make 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.
7 Make sure screws and soldering scraps do not remain inside the product.
Please check that neither solder debris nor screws remain inside the product.
8 There 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.
9 There 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.
0 Safe 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.
A
B
C
D
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.
3. Lubricants, Glues, and Replacement parts
Use grease and adhesives that are equal to the specified substance. Make sure the proper amount is applied.
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.
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.
56
DEH-P780MP/XN/UC
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7
8
3
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CONTENTS

SAFETY INFORMATION ..................................................................................................................................... 2
1. SPECIFICATIONS ............................................................................................................................................ 5
2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................ 8
A
B
C
2.1 PACKING ................................................................................................................................................... 8
2.2 EXTERIOR(1) .......................................................................................................................................... 10
2.3 EXTERIOR(2) .......................................................................................................................................... 12
2.4 CD MECHANISM MODULE..................................................................................................................... 14
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM..........................................................................................16
3.1 BLOCK DIAGRAM ................................................................................................................................... 16
3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE).............................................................................. 20
3.3 TUNER AMP UNIT(DSP)......................................................................................................................... 26
3.4 KEYBOARD UNIT.................................................................................................................................... 28
3.5 CD CORE UNIT(COMP1D)(GUIDE PAGE) ............................................................................................. 30
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 40
4.1 TUNER AMP UNIT................................................................................................................................... 40
4.2 KEYBOARD UNIT.................................................................................................................................... 44
4.3 CD CORE UNIT(COMP1D) ..................................................................................................................... 46
4.4 SWITCH UNIT.......................................................................................................................................... 48
5. ELECTRICAL PARTS LIST ............................................................................................................................ 49
6. ADJUSTMENT ............................................................................................................................................... 68
6.1 CD ADJUSTMENT................................................................................................................................... 68
6.2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT.................................................... 70
6.3 ERROR MODE ........................................................................................................................................ 72
6.4 SYSTEM MICROCOMPUTER TEST PROGRAM ................................................................................... 73
6.5 HOW TO CHECK THE REVOLUTION NUMBER DETECTION CIRCUIT ............................................... 73
6.6 CLOCK ADJUSTMENT............................................................................................................................ 74
7. GENERAL INFORMATION............................................................................................................................. 75
7.1 DIAGNOSIS ............................................................................................................................................. 75
7.1.1 DISASSEMBLY ..................................................................................................................................... 75
7.1.2 CONNECTOR FUNCTION DESCRIPTION.......................................................................................... 79
7.2 IC ............................................................................................................................................................. 80
7.3 OPERATIONAL FLOW CHART ............................................................................................................... 98
8. OPERATIONS ................................................................................................................................................ 99
D
E
F
4
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DEH-P780MP/XN/UC
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1. SPECIFICATIONS

A
B
C
D
E
56
DEH-P780MP/XN/UC
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7
8
5
1234
A
B
C
D
E
F
6
1234
DEH-P780MP/XN/UC
5678
A
B
C
D
E
56
DEH-P780MP/XN/UC
F
7
8
7
N
1234

2. EXPLODED VIEWS AND PARTS LIST

OTES : • Parts marked by " * " are generally unavailable because they are not in our Master Spare Parts List.
• The > mark found on some component parts indicates the importance of the safety factor of the part.
A
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 lubricants or glue, follow the instructions in this manual. (In the case of no amount instructions,apply as you think it appropriate.)

2.1 PACKING

"
20
B
25
C
21
D
13
2
3
15
14
14
17
1
22
18
24
19
11
9
4
E
F
8
1234
12
8
7
10
DEH-P780MP/XN/UC
5678
(1) PACKING SECTION PARTS LIST
Mark No. Description Part No.
* 1-1 Card See Contrast table(2)
1-2 Polyethylene Bag CEG1116
1-3 Owner's Manual See Contrast table(2)
1-4 Owner's Manual See Contrast table(2)
1-5 Owner's Manual See Contrast table(2)
1-6 Installation Manual See Contrast table(2)
* 1-7 Waranty Card See Contrast table(2)
* 1-8 Caution Card CRP1310
* 1-9 Caution Card XRP7002
2 Cord Assy CDE8284
3 Cord Assy CDE7701
4 Accessory Assy See Contrast table(2)
5 •••••
6 •••••
7 Screw Assy See Contrast table(2)
8 Screw CBA1650
*9Polyethylene Bag CEG-127
Mark No. Description Part No.
10 Screw CRZ50P090FTC
11 Screw See Contrast table(2)
12 Screw TRZ50P080FTC
*13Polyethylene Bag CEG-158
14 Handle CNC5395
15 Bush CNV3930
16 •••••
17 Polyethylene Bag See Contrast table(2)
18 Carton See Contrast table(2)
19 Contain Box See Contrast table(2)
20 Microphone Assy See Contrast table(2)
21 Case Assy XXA7417
22 Remote Control Unit CXC5717
23 •••••
24 Protector XHP7008
25 Protector XHP7007
A
B
(2) CONTRAST TABLE
DEH-P780MP/XN/UC, DEH-P7800MP/XN/UC and DEH-P8850MP/XN/ES are constructed the same except for the following:
Mark No. Description DEH-P780MP/XN/UC DEH-P7800MP/XN/UC DEH-P8850MP/XN/ES
* 1-1 Card Not used ARY1048 Not used
1-3 Owner's Manual CRD4085 CRD4087 CRB2247
1-4 Owner's Manual Not used Not used CRD4089
1-5 Owner's Manual Not used Not used CRD4090
1-6 Installation Manual CRD4086 CRD4088 CRD4091
* 1-7 Waranty Card CRY1070 CRY1246 Not used
4 Accessory Assy CEA6351 CEA6351 CEA6400
7 Screw Assy CEA5322 CEA5322 CEA3849
11 Screw JPZ20P060FTB JPZ20P060FTB Not used
17 Polyethylene Bag CEG1173 CEG1173 CEG-162
18 Carton CHG5753 CHG5752 CHG5748
19 Contain Box CHL5753 CHL5752 CHL5748
20 Microphone Assy Not used Not used CPM1054
Owner's Manual,Installation Manual
Part No. Language
CRD4085 English, French
CRD4086 English, French
CRD4087 English, French
CRD4088 English, French
CRB2247 Traditional Chinese
CRD4089 English, Spanish
CRD4090 Portuguese(B), Arabic
CRD4091 English, Spanish, Portuguese(B), Arabic, Traditional Chinese
C
D
E
56
DEH-P780MP/XN/UC
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7
8
9
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2.2 EXTERIOR(1)

A
25
24
27
1
26
5
4
5
4
27
27
30
2
9
11
9
9
18
B
17
16
9
B
20
13
15
C
10
23
22
8
D
29
12
19
21
14
7
6
E
28
F
10
1234
DEH-P780MP/XN/UC
31
>
5678
(1) EXTERIOR(1) SECTION PARTS LIST
Mark No. Description Part No.
1 Cord Assy CDE7701
2 Fuse(10 A) CEK1136
3 •••••
4 Cap CNS1472
5 Resistor RS1/2PMF102J
6 Case Assy CXC6907
7 Holder CNC8659
8 Detach Grille Assy See Contrast table(2)
9 Screw BPZ20P080FTB
10 Button (EQ, DISP, CLOCK) CAC9527
11 Cover CNS8491
12 Holder CNV8834
13 Lighting Conductor CNV9010
14 Lighting Conductor CNV9011
15 Lighting Conductor CNV9013
16 Cable CDE8057
Mark No. Description Part No.
17 Connector(CN1931) CKS5090
18 Connector(CN1701) CKS5662
19 Sheet CNM8658
20 Cushion CNM9946
21 OEL Module MXK8230
22 Grille Unit See Contrast table(2)
23 Knob Unit(MULTI-CONTROL) CXC5674
24 Remote Control Unit CXC5717
25 Cover CZN5357
26 Cord Assy CDE8284
27 Cap CNV6727
28 Panel XNS7145
29 IC (IC1801) GP1UX51RK
30 Insulator CNN1327
31 Cushion CNN1405
A
B
(2) CONTRAST TABLE
DEH-P780MP/XN/UC, DEH-P7800MP/XN/UC and DEH-P8850MP/XN/ES are constructed the same except for the following:
Mark No. Description DEH-P780MP/XN/UC DEH-P7800MP/XN/UC DEH-P8850MP/XN/ES
8 Detach Grille Assy CXC6069 CXC6070 CXC5596
22 Grille Unit CXC6173 CXC6174 CXC5605
C
D
56
DEH-P780MP/XN/UC
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F
7
8
11
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2.3 EXTERIOR(2)

A
81
79
78
B
77
77
83
84
2
54
A
C
82
85
B
80
78
79
81
2
87
86
14
5
20
1
1
1
71
1
28
19
18
17
17
18
E
37
38
21
22
47
45
36
75
34
21
23
33
F
4
D
C
1
29
35 76
15
16
21
26
30
32
73
6
15
15
76
27
B
A
D
25
24
1
12
10
12
10
72
11
8
91
D
64
68
65
63
A
44
90
56
56
62
74
56
60
61
57
9
70
59
58
89
F
1
13
D
E
57
57
3
74
E
3
74
88
55
F
12
1234
92
69
C
69
66
74
67
74
3
56
56
3
56
DEH-P780MP/XN/UC
5678
(1) EXTERIOR(2) SECTION PARTS LIST
Mark No. Description Part No.
1 Screw BSZ26P060FTC 2 Screw(M2.6 x 4) CBA1828 3 Screw(M2 x 2.5) CBA1924 4 Cord Assy CDE8315 5 Cord Assy See Contrast table(2)
6 Cable CDE8067 7 ••••• 8 Insulator CNN1406 9 Holder XNC7017
10 Earth Plate CND2171
11 Shield CND3599 12 Cushion CNM9126 13 Insulator CNM9936 14 Tuner Amp Unit See Contrast table(2) 15 Screw ASZ26P060FTC
16 Screw BMZ26P040FTC 17 Screw BMZ26P120FTC 18 Screw BMZ26P180FTC 19 Screw(M2.6 x 14) CBA1632 20 Antenna Cable CDH1336
21 Clamper CEF1050 22 Plug(CN991) CKM1278 23 Connector(CN321) CKM1389 24 Plug(CN801) CKS-786 25 Connector(CN701) CKS3834
26 Connector(CN671) See Contrast table(2) 27 Connector(CN811) CKS4811 28 Connector(CN431) See Contrast table(2) 29 Connector(CN702) CKS4824 30 Connector(CN101) CKS5271
31 ••••• 32 Connector(CN441) CKS5523 33 Holder(CN402) CNC5399 34 Holder See Contrast table(2) 35 Holder CND3133
36 Heat Sink CNR1869 37 FM/AM Tuner Unit CWE1952 38 Holder CND1054 39 ••••• 40 •••••
41 ••••• 42 ••••• 43 ••••• 44 Insulator XNM7119 45 Fan Motor (M972) CXM1288
46 •••••
No. Description Part No.
Mark
47 ZH Connector 2P (CN971) VKN1928 48 ••••• 49 ••••• 50 •••••
51 ••••• 52 ••••• 53 ••••• 54 Panel Unit XXA7408 55 Drive Unit CXC6618
56 Screw BMZ26P040FTC 57 Screw(M2 x 2) CBA1871 58 Cord CDE7392 59 Gear CNV7752 60 Gear CNV7753
61 Gear CNV7754 62 Gear CNV7755 63 Switch Unit CWS1389 64 Switch(S1) CSN1051 65 Switch(S2) CSN1052
66 Arm Unit CXC2199 67 Arm Unit CXC6623 68 Arm Unit CXC6624 69 Screw JFZ20P020FTC 70 Spring XBL7003
71 CD Mechanism Module (S10.5) CXK5754 72 Screw ISS26P055FTC 73 Holder CND3606 74 Washer YE15FTC 75 IC (IC351) PAL007B
76 Transistor (Q721,901, 911, 921) 2SD2396 77 Screw(M2 x 2) CBA1871 78 Screw(M2 x 2) CBA1935 79 Spring CBH2530 80 Connector CKS5273
81 Arm CNV6962 82 Guide CNV6967 83 Guide CNV8048 84 Case Unit CXC6483 85 Screw(M2 x 3.5) XBA7002
86 Holder XNC7019 87 Flexible PCB XNP7026 88 Holder Unit XXA7399 89 Motor Unit(M801) XXA7400 90 Holder Unit XXA7401
91 Arm Unit XXA7403 92 Gear Unit XXA7424
A
B
C
D
E
(2) CONTRAST TABLE
DEH-P780MP/XN/UC, DEH-P7800MP/XN/UC and DEH-P8850MP/XN/ES are constructed the same except for the following:
Mark No. Description DEH-P780MP/XN/UC DEH-P7800MP/XN/UC DEH-P8850MP/XN/ES
5 Cord Assy Not used Not used CDE8062 14 Tuner Amp Unit CWN1757 CWN1758 CWN1439 26 Connector(CN671) CKS4124 CKS4124 Not used 28 Connector(CN431) Not used Not used CKS4823 34 Holder CND3129 CND3129 CND3161
56
DEH-P780MP/XN/UC
7
8
F
13
1234

2.4 CD MECHANISM MODULE

A
B
C
D
E
F
14
1234
DEH-P780MP/XN/UC
5678
CD MECHANISM MODULE SECTION PARTS LIST
Mark No. Description Part No.
1 CD Core Unit(COMP1D) CWX3328
2 Connector(CN101) CKS4182
3 Connector(CN901) CKS4187
4 Screw BMZ20P025FTC
5 Screw BSZ20P040FTC
6 Screw(M2 x 3) CBA1511
7 Screw(M2 x 4) CBA1835
8 Washer CBF1038
9 •••••
10 Spring CBH2609
11 Spring CBH2612
12 Spring CBH2614
13 Spring CBH2616
14 Spring CBH2617
15 Spring CBH2620
16 Spring CBH2855
17 Spring CBH2937
18 Spring CBH2735
19 Spring CBH2854
20 Spring CBH2642
21 Spring CBH2856
22 Spring CBH2857
23 Spring CBH2860
24 Spring CBH2861
25 Spring CBL1686
26 Arm CND1909
27 Frame CND2582
28 Bracket CND2583
29 Arm CND2584
30 Lever CND2585
Mark No. Description Part No.
50 Rack CNV8342
51 Roller CNV8343
52 Holder CNV8344
53 Arm CNV8345
54 Guide CNV8347
55 Arm CNV8348
56 Arm CNV8349
57 Arm CNV8350
58 Clamper CNV8365
59 Arm CNV8386
60 Guide CNV8396
61 Arm CNV8413
62 Collar CNV8938
63 Motor Unit(M2) CXC4026
64 Arm Unit CXC4027
65 Chassis Unit CXC4028
66 Gear Unit CXC4029
67 Frame Unit CXC4031
68 Motor Unit(M1) CXC6742
69 Screw Unit CXC6359
70 Screw JFZ20P020FTC
71 Screw JGZ17P022FTC
72 Washer YE20FTC
73 Pickup Unit(P10.5)(Service) CXX1942
74 Screw IMS26P030FTC
75 Connector(CN902) CKS4979
A
B
C
D
31 Arm CND2586
32 Bracket CND2587
33 Arm CND2588
34 Lever CND2589
35 Holder CNV7201
36 Gear CNV7207
37 Gear CNV7208
38 Gear CNV7209
39 Gear CNV7210
40 Gear CNV7211
41 Gear CNV7212
42 Rack CNV7214
43 Arm CNV7216
44 Roller CNV7218
45 Gear CNV7219
46 Guide CNV7361
47 Gear CNV7595
48 Guide CNV7799
49 Arm CNV7805
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DEH-P780MP/XN/UC
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F
7
8
15
T
R
1
T
A
X
C 7
D
0
0
G G
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3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

A
A
TUNER AMP UNIT
TUNPCE2
76 13 5 1098 11 14 18192021
FM/AM TUNER UNIT
ANTENNA
CN401
2,3
CN402
AM ANT
1
1
3
FM ANT
ATT
ATT
ANT adj
FMRF
FMRF
RF adj
B
1
2
C
D
E
PICKUP UNIT (P10.5)(SERVICE)
LASER DIODE
HOLOGRAM
UNIT
FOCUS ACT.
MONITOR
TRACKING ACT.
DIODE
SPINDLE
M
MOTOR
CARRIAGE
LOAD/
MOTOR
M
CD CORE UNIT(COMP1D)
C
CN101
LD-
15
15
MD
5
5
REFO
VREF
88
FOM
FOM
33
FOP
FOP
2
2
TOP
TOP
1
1
TOM
TOM
44
LD+
14
14
V3R3D
NC
CE2
IC 3 EEPROM
5.0V
OSC
LPF
IC 1
3.3V
MIXER, IF AMP
T51
CF52
RFGND
OSCGND
DGND
212 152216 4 17
Q101
AC,BD
F,E
S904 12EJ
AUDIOGNDNCVCC
V3R3D
142
LD
143
PD
133
REFOUT
RF-AMP,CD DECODER, MP3 , WMA, DECODER,
DIGITAL SERVO / DATA PROCESSOR
SD,MD
TD,FD
CD
12
FOM
DRIVER
11
FOP
14
TOP
13
TOM
IC301
BA5835FP
16
SOP
CLCONT
15
SOM
18
LOEJ
LCOP
17
CONT
LCOM
S905
8EJ
S903
DSCSNS
1
IC203
4
NJM2886DL3-33
+3.3V REGULATOR
3
21
22
9
HOME
ROM_VDD
UPD63763CGJ
S901
F
VDD
SL
TUNPDO
DI
SL
IC 5
5V 3.3V
3.3V 2.5V
3.3V
VDD_3.3
TUN3V REGULATOR
TUN3V
3
NJM2885DL1-33
CN902
IC201
LOCK/RFOK
56
FTXD
63
25
LOCK
26
FRXD
41
CLCONT
40
LOEJ
IC701
47
CONT
PE5552A
CD CONTROLLER
32
12EJ
31
8EJ
30
DSCSNS
42
HOME
CD3VON
46
VD
TUNPCK
TUNPCE1
CK
IC 4
IC421
1
34
XTAL
XRST,XASTB,ADO,XCK,
/CD3VON
RESET
LRCKOK
VDCONT
CD3VON
CE1
2.5V
34
XSO,XSI,WAIT,XINT
X1
X2
LRCK
LRCKIN
DOUT
SCKO SCKIN
SWVDD
43
14 44
12
13
49
46
NC
1
DIN
TUNPDI
DO
CN901
LRCK
50 49
DATA
46 45
BCLK
48 47
VDD
Q701
/RESET
LRCKOK
BRST,BRXEN,BSRQ
BDATA,BSCK
VD
X701
4.00MHz
VDCONT
MCKRQ
D
NCNCNC
NC
DET, FM MPX,
RDS DECODER
TUN8V
CN441
2
VD
16
14
15
11
10
8
1
2
9
17
FLAP MOTOR
6
10
11 13
20
19
12
4
OPEN
3 1
CN702
1
3
4
5
7
M801
CLOSE
CN701
CDMCKO
CDRX
CDTX
CN101
LRCK
DOUT
BCK
VD
VDCOUNT
MCKRQ
AUX
IP-BUS
VDD
SWITCH UNIT
IC 2
2.5V
11
VDD
RESET
LRCKOK
M
M
7
5 1
8
BUSL+
BUSL-
AUX AMP
NJM4558MD
3
2
TC7SH08FUS1
4
MCK SW
Q721
CN801
4
5
2 3
1
IC441
1
IC271
2
MECHA VD
Q722
AUTO FLAP
MOTOR DRIVE
BA6288FS
14
OUT2 RIN
1
IC801
AUXL
MCK2
VCC
: DEH-P780MP/XN/UC
A
: DEH-P7800MP/XN/UC
B
: DEH-P8850MP/XN/ES
C
I
Rch
24
Lch
23
CDDT CDBCK CDLRCK
F
R
SW MCK1 LRCK0 BCK0
F
R
SW
MCK1
LRCK0 BCK0
BUSL+
BUSL-
IP-BUS DRIVER
BUS-
IC101
5
BUS+
HA12241FP
6
X371
Q812
Q101
AUI
IC371
PM8003A
D6/SCK
29
D7/DI
AOUT
14
XT
WR
BUSY1
15
XT
RESET
B.UP
CDLRCK
CDDT
CDBCK
B.UP
C
4.096MHz
11
63
FINOUT1
4
VM
5
Q801
16.9344MHz
D/A CONVERTER
PCM1606EG
1
DATA1
2
DATA2
3
DATA3
20
SCKI
18
LRCK
19
BCK
1
TX
RX
2
8
IPPW
B.UP
BRST,BRXEN,BSRQ
BDATA,BSCK
CS
X601
20MHz
X201
IC221
AK
43
XTI
42
XTO
16
CLK02
22
SDIN5A/J
25
BITCLK_I
26
LRCLK_I
37
SDOUT1
36
SDOUT2
35
SDOUT3
32
CLKO1
39
LRCLK_
38
BITCLK_
10
FL
12
RL
8
SWL
37
TX
36
RX
64
IPPW
65
ASENBO
83
RST2
82
LRCKOK
SYS
CONT
IC60
PE
AB :
C :
PE
84
MCKRQ
5524
AUISC K
5426
AUISD O
5336
AUICS
5242
AUIWR
633
AUIBSY
569
AUIRS T
10
FLPCLS
9
FLPOPN
11
FOPNSW
12
FCLSSW
13
FLPPW
22
XIN
20
XOUT
16
1234
DEH-P780MP/XN/UC
1
5678
A
C
MICCS
CN431 MIC
3
MIC IN
2
N/UC XN/UC XN/ES
TUNPCE2 TUNPCE1
TUNPDI TUNPDO
TUNPCK SL
35
34 49
50
51
141
SYSTEM
CONTROLLER
IC601(1/2)
PEG221A
AB :
C :
PEG175A
TUNPCE2
TUNPCE1 TUNPDI TUNPDO TUNPCK
SL
MICSEN
BTHF_AEQ
Q181
AEQMIC
AEQO
Q182
VDD
Q183
66
78
AUTO E Q
DSP
IC201
AK7732VT
43
XTI
42
XTO
X201
16.9344MHz
16
CLK02
22
SDIN5A/JX0
25
BITCLK_I
26
LRCLK_I
37
SDOUT1
36
SDOUT2
35
SDOUT3
32
CLKO1
39
LRCLK_0
38
BITCLK_0
D/A CONVERTER
IC221
PCM1606EG
10
FL
DATA1
DATA2
DATA3 SCKI
LRCK BCK
R 1
TX
RX
2
B.UP
,BRXEN,BSRQ
A,BSCK
20MHz
X601
12
RL
8
SWL
37
TX
36
RX
64
IPPW
65
ASENBO
83
RST2
82
LRCKOK
CONTROLLER
AB :
C :
84
MCKRQ
554
AUISC K
546
AUISD O
536
AUICS
522
AUIWR
63
AUIBSY
56
AUIRS T
10
FLPCLS
9
FLPOPN
11
FOPNSW
12
FCLSSW
13
FLPPW
22
XIN
20
XOUT
SYSTEM
IC601(2/2)
PEG221A PEG175A
31
CKM[2] SMODE
28
CK_RESET
29
S_RESET
27
INIT_RESET
RQ/CAD1
SCLK/SCL
SI/CAD0
SDIN3/JX2
AINL+
AINL-
LPF
IC281
NJM4558MD 5
3
LPF
IC282
NJM4558MD
5
TUNL
BUSL+
BUSL-
AUBTL
AUIMUTE
PEE
FLPILM
MUTE
AMPPW
BTPW
OELPW
ILMPW
DSPPW SYSPW
DALMON
RDY
14
11
9
10
SO
64
63
7
1
7
67
31
112
58
92
97
3 111 100 99 98
8
20
INPUT ADC
7
IC240
NJM4558MD
Q281
Q291
BTPW
OELPW
ILMPW
DSPPW SYSPW
DALMON
5V 3V
IC262 TC74VHC08FTS1 11
12
6
4
3
1
8
9
3V 5V
IC261
TC74VHCT08AFTS1
4
1
6
5
BUFFER
1,2
3
IC241
NJM4558MD
ELECTRONIC VOLUME/
SOURCE SELECTOR
19
22
25
11
1
2 6
Q282
Vi1(FL)
Vi3(RL)
Vi5(SWL)
Si4L Si1L+ Si1L-
Si2L
IC121
PM9009A
VDD
So1L
SCK SDA
EX1+
Vo5a
Vo1a
Vo3a
Vo1b
Vo3b
Si3L,Si3R
FCKSEL
BUZZER
BZ681
6
3
SYS+B
16
44 43 45
CS
55
C
33
29
31
36
38
9,10
46
FLAP ILM
Q853
AB
135
KEYAD
107
KEYD
61
FCKSEL
125
ROT0
124
ROT1
1
DPDT
144
KYDT
SWVDD
DSENS
reset
2
137
19
VDD
RESET
Q661
SWVDD
Q831
Q832
1
RESET
IC661
S-80835CNUA-B8U
2
77 72
CKRST
73
DSPRST
71
DSPIRST
75
DSPRQ
89
DSPCK
90
DSPOUT
69
DSPRAMCLR
70
DSPDRDY
88
DSPIN
60
EVOLCS
SWL
FL
RL
FL
RL
OEL+B
VDD
VDD
9.0V
ILM+B
BSENS
ASENS
BATIND
ISENS
TELIN
GAUGE
CN811
CDRX
CDTX
OEL+B
ROT0 ROT1 DPDT
KYDT
ILM+B
SWVDD
DSENS
RST1
2
3 1
104
103
134
105
123
136
3
4
15
8 9 6 7
13
10
2
5
F V
IC752
NJM4151M
1
IO TB
CN671
B
CN1701
B.UP
WIRED REMOTE CONTROL
6
Q391
INV.
4
IC754
TC7S14FU
SWL
FL
5
2
FL
RL
PRE-OUTMUTE
Q324
AMPMUTE
Q351
SYSPW SYSPW1
DSP3V REGULATOR
D3V
DAC5V REGULATOR
DAC5V
SYSPW SYSPW1
OELPW
ILMPW
DSPPW SYSPW
DALMON
BSENS
ASENS
BATIND
ISENS
TELIN
12
FLIN
14
RLIN
AMPPW
3
IC871
NJM2885DL1-33
5
IC861
NJM2872F05
SYSPW2
BACKUP SENSE
AMP
8
7
IC751
NJM4558MD
POWER AMP
MUTE
4
22
DSPPW SYSPW
DALMON
ACC SENSE
Q941
ILL SENSE
6
IC351
PAL007B
STBY
1
1,3
MUTE
Q931
TEL IN
Q951
SYS+B
Q793
AMP
1
IC753(1/2)
NJM4558MD
VCC
B.REMOTE
FL-
FL+ RL-
RL+
SYS+B REGULATOR
SYS+B
TUN8V REGULATOR
TUN8V
OEL+B REGULATOR
OEL+B
9.0V
ILM+B
VDD
Q601
Q323
Q321
Q322
B.UP
AMP
2
5
7
IC753(2/2)
NJM4558MD
6,20
B.UP
25
3
5 23
21
FAN DRIVE
B.UP
Q972
Q971
Q911
Q912
Q921
Q922
Q841
Q842
ILM+B REGULATOR
Q851
Q852
VDD REGULATOR
Q901
Q902
SWL
FL
RL
FU321
CN321
CN991
B.UP
ACC
ILL
TEL
BRE
FL2
FL1
RL2 RL1
CN971
B.UP
9
10
1
2
5
6
1
5
3
8
4
2
10
12
9
11
2 1
RCA OUT
FUSE
10A
M972
FAN M OTOR
M
SW L
FRONT L
REAR L
B.UP
ACC
ILL
TEL
B.REM
GND
FL-
FL+
RL-
RL+
B
C
D
E
F
56
DEH-P780MP/XN/UC
7
8
17
A
D
L
L
L
L
1234
A
B
KEYBOARD UNIT
CN1701
ILM+B
12
OELX
10
MULTI-CONTROL
ROT0
B
7
ROT1
8
REMOTE CONTROL
5
6
2
3
14
9
OPT IN
DPDT
KYDT
CDRX
CDTX
OEL+B
SWVDD5V
9V
A
CN811
C
DSENS
1
RESET
RST
4
: DEH-P780MP/XN/UC
A B
: DEH-P7800MP/XN/UC
C
: DEH-P8850MP/XN/ES
D
E
SENSOR
IC1801
GP1UX51RK
Phase_B
Phase_A
1
3
10
1
5V 3.3V
3.3V REGULATOR
5,4
S-818A33AUC-BGN
1.8V REGULATOR
5,1
NJM2870F18
IC1703
IC1702
1
4
1.8V
X1761
8.0MHz
89
30
29
34
33
14
97
96
60
13
11
5
JOYST
REM
DPDT
KYDT
CDRX
CDTX
Vcc1 AVcc
Vref
Vcc2
Xin
Xout
OELROMCS
KEY/DISPLAY CONTROLLER
IC1763
PEG182A
ROMDT
ROMCK
DRIVE_CS
cs1
BCLK
OELRESET
cs2
FLRESET
ROMBK0
ROMBK1
ROMBK2
P2CE_ON
FLCE_ON
OELINT
FLBUSY
KD0-2,KS0-2
2
4
100
1
46
41 17
CS2
47
WRL
44
wr
42
rd
FLRESET
18
D0-15
A0-19
24
23
22
21
6 5
45
cs0
2 1
20
TC7WT125FU
16
19
RD
DATA BUS
ADDRESS BUS
5V 3V
IC1762 TC7WH34FU 6
1
3
5V 3V
IC1764
TC7WH32FU
3V 5V
IC1761
6
3
KEY MATRIX
2
ROMBK0
7
ROMBK1
5
ROMBK2
P2CECS
3
7
FLCECS
OELINT
2
5
FLBUSY
S1731,1732, S1734-1739
ILLUMINATION
D1732-1742
A0
ADDRESS BUS
D0-15
A0
CS1
BCLK OELRESET
DATA BUS
OELINT
WRL RD
RD
D0-15
A0-19
WRL RD FLRESET
FLBUSY
D0-15
A0-16
54
53
45 48
59
56 55
D0-15
A0-19
13
12
36
24
27
26 11 28 12 15
M5M5V216ATP-70HI
OEL CONTROL
S1D13702F00A100
RS
XCS
CLK XRESET
XINT
XWR XRD
IC1831
: A,C
PD8161A
: B
PD8162A
ROM
A20
A21
A22
OE1
OE2
FLASH ROM
IC1832
PD6544A
CE WE OE RESET
RY/BY
S-RAM
IC1833
IC1861
GC
GCL
GC
PD
G
D
17
WRL
WE
41
RD
OE
6
CS2
S
F
18
1234
DEH-P780MP/XN/UC
5678
A
B
OEL UNIT
CN1931
OELX
1
EEPDO
5
EEPDI
7
EEPSCK
6
EEPCS
8
ADCS
9
RST
DCLK
DTLT
CKAR
CKAG
CKAB
LATCH
3.3V
PGND PGND
GND GND
DGND
2
17
22 16
LS
15
14
13
12
11
SI2
10
4
D1
3
24
24
5V
26
9V
29
9V
30
27 28 23 25
C
D
OEL CONTROL
S1D13702F00A100
RS
XCS
CLK XRESET
XINT
XWR XRD
IC1831
: A,C
D8161A
: B
D8162A
ROM
A20
A21
A22
OE1
OE2
FLASH ROM
IC1832
PD6544A
IC1861
PDA0-5
DCLK
LP1A
LP2A
GCLKRA
GCLKGA
GCLKBA
GPSO
DIS2A
PD0-5
22
3
4
5
6
7
39
9
10
YD
3.3V
5V
9V
OELGND
CE
WE OE RESET
RY/BY
S-RAM
IC1833
M5V216ATP-70HI
WE
OE
S
56
DEH-P780MP/XN/UC
E
F
7
8
19
P
B
1234

3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)

Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS LIST".
A
1/2
A-b
A-a A-b
Large size
SCH diagram
: DEH-P780MP/XN/UC
A
: DEH-P7800MP/XN/UC
B
: DEH-P8850MP/XN/ES
C
A-a
A-a
A-b
A-b
Guide page
Detailed page
MICROPHONE INPUT
C
2/2
A
TUNER AMP UNIT(DS
C
B
AUX INPUT
C
IP-BUS
IP-BUS:+2.2 dBs
111098
7
2143
65
C
C
CN902
D
CN901
SYSTEM CONTROLLER
AB
C
A
C
FM(30%):-24.0 dBs AM(30%):-24.0 dBs
E
FM/AM ANTENNA
M801
231
F
M
FLAP MOTOR
XXA7400
CSN1051
S1 CLOSE
CSN1052
S2 OPEN
SWITCH UNIT
D
B
CN1701
20
A
1/2
D
DEH-P780MP/XN/UC
1234
2/2
A
NER AMP UNIT(DSP)
5678
A
1/2
A-b
TUNER AMP UNIT(MAIN)
1/2
FM:-13.2 dBs AM:-13.2 dBs
IP-BUS: +2.3 dBs
CD: +3.0 dBs
A
SUBWOOFER R CH
SUBWOOFER L CH
REAR R CH
REAR L CH
FRONT R CH
FRONT L CH
FM:+3.6dBs AM:+3.6dBs
IP-BUS: +16.1dBs
CD: +15.8dBs
B
>
AB
C
FM:-6.0 dBs AM:-6.0 dBs
IP-BUS:+10.1 dBs
CD: +9.8 dBs
FM:20.0 dBs
AM:20.0 dBs
IP-BUS: 36.1 dBs
CD: 35.1 dBs
>
CEK1136
10A
BACKUP
GND
1K(1/2W)
ILM
AB
1K(1/2W)
B.REM
ACC
TEL
RL
FL
RL+
FL+
RR
FR
RR+
FR+
D
A
B
E
B
CN1701
NOTE :
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.
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.
DEH-P780MP/XN/UC
56
M972
M
FAN
MOTOR
Decimal points for resistor and capacitor fixed values are expressed as :
2.2 2R2
0.022 R022
1/2
A
7
8
F
21
>
1234
A
REAR
L CH
REAR
R CH
L CH
FRONT
R CH
FRONT
L CH
FM:+3.6dBs
AM:+3.6dBs
CD: +15.8dBs
IP-BUS: +16.1dBs
>
FM:20.0 dBs
AM:20.0 dBs
CD: 35.1 dBs
IP-BUS: 36.1 dBs
SUBWOOFER
R CH
SUBWOOFER
B
TUNER AMP UNIT(MAIN)
1/2
A
C
FM:-6.0 dBs
AM:-6.0 dBs
CD: +9.8 dBs
IP-BUS:+10.1 dBs
A-b
A-a
D
CD: +3.0 dBs
E
FM:-13.2 dBs
AM:-13.2 dBs
IP-BUS: +2.3 dBs
F
A-b
22
1/2
P)
DEH-P780MP/XN/UC
1234
1
5678
>
BACKUP
10A
CEK1136
ILM
GND
ACC
RL
TEL
B.REM
1K(1/2W)
1K(1/2W)
FR
FL
RL+
FR+
FL+
RR+
RR
M972
M
FAN
MOTOR
Decimal points for resistor
and capacitor fixed values
are expressed as :
2.2 2R2
0.022 R022
A
B
C
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.
A-b
A-a
D
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.
NOTE :
E
AB
A
B
2 3
DEH-P780MP/XN/UC
56
F
A-b
1/2
7
8
23
CN902
1234
A
B
C
A-b
1/2
1
AB
2/2
A
TUNER AMP UNIT(DSP)
SYSTEM CONTROLLER
A-b
A-a
A-a
D
C
C
C
E
: DEH-P780MP/XN/UC
: DEH-P7800MP/XN/UC
: DEH-P8850MP/XN/ES
ABC
F
C
MICROPHONE
INPUT
AUX INPUT
IP-BUS:+2.2 dBs
IP-BUS
7
111098
2143
65
A-a
24
1/2
DEH-P780MP/XN/UC
1234
5678
AB
C
AB
SYSTEM CONTROLLER
A
B
2 3
A-b
CN1701
B
SWITCH UNIT
D
CSN1052 S2 OPEN
CSN1051
S1 CLOSE
231
A
1/2
B
C
C
CN902
M801
M
XXA7400
FLAP MOTOR
A-b
A-a
A-a
D
E
FM(30%):-24.0 dBs
AM(30%):-24.0 dBs
C
CN901
56
DEH-P780MP/XN/UC
FM/AM ANTENNA
F
1/2
D
25
A-a
7
8
1234

3.3 TUNER AMP UNIT(DSP)

A
1/2
A
B
C
1/2
A
D
1/2
A
E
1/2
A
F
2/2
A
26
1234
DEH-P780MP/XN/UC
5678
A
TUNER AMP UNIT(DSP)
2/2
A
B
A
C
1/2
D
E
56
DEH-P780MP/XN/UC
F
2/2
A
7
8
27
1234

3.4 KEYBOARD UNIT

A
B
REMOTE CONTROL
SENSOR
RESET
C
TUNER AMP UNIT(MAIN)
1/2
A
MULTI-CONTROL
D
SOURCE
EQ
SW
E
LIST
BAND/ESC
DISP
CLOCK
OPEN/EJECT
560
OEL MODULE MXK8230
F
B
28
1234
DEH-P780MP/XN/UC
5678
A
KEYBOARD UNIT
B
DISPLAY
CONTOROLLER
PD8161A : DEH-P780MP/XN/UC, DEH-P8850MP/XN/ES PD8162A : DEH-P7800MP/XN/UC
B
C
D
E
E MXK8230
56
DEH-P780MP/XN/UC
F
B
7
8
29
1234

3.5 CD CORE UNIT(COMP1D)(GUIDE PAGE)

A
C-a
F
T
S
C
F
T
S
C
B
C
PICKUP UNIT(P10.5)(SERVICE)
SWITCHES: CD CORE UNIT(COMP1D)
S901:HOME SWITCH..........ON-OFF
S903:DSCSNS SWITCH......ON-OFF
S904:12EJ SWITCH.............ON-OFF
S905:8EJ SWITCH...............ON-OFF
$
F
F
T F
T F
F T
T
F
T
T
@
!
The underlined indicates the switch position.
D
NCNCNCNCNC
M1 CXC6742
SPINDLE MOTOR
M2 CXC4026
LOADING/CARRIAGE MOTOR
S
S
C
C
T
F
E
F
F
3
T
T
CD DRIVER
#
S
8
9
6
C
7
4
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
2
S
S
C
1
C
F
C
30
1234
DEH-P780MP/XN/UC
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