Pioneer DEHP-840-MP, DEHP-8450-MP, DEHP-8400-MP Service manual
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
C PIONEER CORPORATION 2002
K-ZZY. FEB. 2002 Printed in Japan
- This service manual should be used together with the following manual(s):
Model No. Order No. Mech. Module Remarks
CX-3007 CRT2820 S9MP3 CD Mech. Module:Circuit Description, Mech.Description, Disassembly
For details, refer to "Important symbols for good services".
ORDER NO.
CRT2845
DEH-P840MP/XN/UC
MULTI-CD CONTROL HIGH POWER CD/MP3/WMA PLAYER WITH FM/AM TUNER
DEH-P840MP XN/UC
DEH-P8400MP XN/UC
DEH-P8450MP XN/ES
CONTENTS
1. SAFETY INFORMATION ............................................3
2. EXPLODED VIEWS AND PARTS LIST.......................4
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM...18
4. PCB CONNECTION DIAGRAM ................................38
5. ELECTRICAL PARTS LIST ........................................48
6. ADJUSTMENT..........................................................55
7. GENERAL INFORMATION .......................................65
7.1 DIAGNOSIS ........................................................65
7.1.1 DISASSEMBLY .........................................65
7.1.2 CONNECTOR FUNCTION DESCRIPTION.......74
7.2 PARTS .................................................................75
7.2.1 IC................................................................75
7.2.2 DISPLAY....................................................92
7.3 OPERATIONAL FLOW CHART ...........................93
7.4 CLEANING ..........................................................93
8. OPERATIONS AND SPECIFICATIONS.....................94
2
DEH-P840MP,P8400MP,P8450MP
- CD Player Service Precautions
1. For pickup unit(CXX1550) handling, please refer
to"Disassembly"(see page 65)
During replacement, handling precautions shall be
taken to prevent an electrostatic discharge(protection
by a jumper-solder).
2. During disassembly, be sure to turn the power off
since an internal IC might be destroyed when a connector is plugged or unplugged.
3. Please checking the grating after changing the service pickup unit(see page 59).
[ Important symbols for good services ]
In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.
When you find the procedures bearing any of the symbols, be sure to fulfill them:
2. Adjustments
To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.
In accordance with the procedures or instructions described in this manual, adjustments should be performed.
3. Cleaning
For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,
proper cleaning should be performed to restore their performances.
5. Lubricants, glues, and replacement parts
Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the
prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used.
4. Shipping mode and shipping screws
To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.
1. Product safety
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.
3
DEH-P840MP,P8400MP,P8450MP
1. 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.
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.
Health & Safety Code Section 25249.6 - Proposition 65
4
DEH-P840MP,P8400MP,P8450MP
1
2
3
55
6
7
8
9
10
11
12
13
14
15
16
17
17
18
18
19
20
21
22
23
24
25
26
29
28
27
30
31
32
33
34
35
36
37
4
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING (DEH-P840MP)
DEH-P840MP,P8400MP,P8450MP
5
1-1 Owner’s Manual CRD3569
1-2 Installation Manual CRD3570
* 1-3 Caution Card CRP1268
* 1-4 Warranty Card CRY1070
1-5 Polyethylene Bag CEG1116
2 Cord Assy CDE6563
3 Accessory Assy CEA3142
4 Spring CBH1650
5 Screw Assy CEA3140
6 Screw BPZ20P060FMC
* 7 Polyethylene Bag CEG-127
8 Handle CNC5395
9 Bush CNV3930
* 10 Polyethylene Bag CEG-158
11 Polyethylene Bag CEG1185
12 Case Assy CXB8574
* 13 Battery CEX1030
14 Sub Carton CHA3258
15 Carton CHG4661
16 Contain Box CHL4661
17 Protector CHP2538
18 Protector CHP2539
19 Protector CHP2541
20 Protector CHP2546
21 Remote Control Assy CXB9202
22 Screw Assy CZE3169
* 23 Polyethylene Bag CEG-127
* 24 Hexagonal Wrench CZE3176
* 25 Screw RMZ30H060FBK
26 Belt CZN7661
27 Holder Assy CZX3172
28 Holder Assy CZX3173
29 Remote Control Assy CZX3257
30 Screw Assy CEA3144
31 Screw BMZ50P060FMC
32 Screw CBA-102
33 Screw CBA1002
* 34 Polyethylene Bag CEG-127
35 Screw CMZ50P060FMC
36 Nut NF50FMC
37 Strap CNC5402
Mark No. Description Part No. Mark No. Description Part No.
- PACKING SECTION PARTS LIST (DEH-P840MP)
- Owner's Manual, Installation Manual
Part No. Language
CRD3569 English, French
CRD3570 English, French
NOTE:
- Parts marked by “*” are generally unavailable because they are not in our Master Spare Parts List.
- Screws 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.)
6
DEH-P840MP,P8400MP,P8450MP
1
2
3
55
6
7
8
9
10
11
12
13
14
15
16
17
17
18
18
19
20
22
23
24
25
26
27
28
29
4
21
2.2 PACKING (DEH-P8400MP)
DEH-P840MP,P8400MP,P8450MP
7
1-1 Owner’s Manual CRD3571
1-2 Installation Manual CRD3572
* 1-3 Caution Card CRP1268
* 1-4 Card ARY1048
1-5 Polyethylene Bag CEG1116
2 Cord Assy CDE6563
3 Accessory Assy CEA3142
4 Spring CBH1650
5 Screw Assy CEA3140
6 Screw BPZ20P060FMC
* 7 Polyethylene Bag CEG-127
8 Handle CNC5395
9 Bush CNV3930
* 10 Polyethylene Bag CEG-158
11 Polyethylene Bag CEG1185
12 Case Assy CXB8574
* 13 Battery CEX1065
14 Sub Carton CHA3258
15 Carton CHG4662
16 Contain Box CHL4662
17 Protector CHP2538
18 Protector CHP2539
19 Protector CHP2541
20 Protector CHP2546
21 Remote Control Unit CXB8743
22 Screw Assy CEA3144
23 Screw BMZ50P060FMC
24 Screw CBA-102
25 Screw CBA1002
* 26 Polyethylene Bag CEG-127
27 Screw CMZ50P060FMC
28 Nut NF50FMC
29 Strap CNC5402
Mark No. Description Part No. Mark No. Description Part No.
- PACKING SECTION PARTS LIST (DEH-P8400MP)
- Owner's Manual, Installation Manual
Part No. Language
CRD3571 English, French
CRD3572 English, French
8
DEH-P840MP,P8400MP,P8450MP
1
2
3
8
9
10
11
12
13
14
15
16
17
17
18
18
19
20
21
22
23
24
25
26
29
28
27
30
31
33
34
35
4
2.3 PACKING (DEH-P8450MP)
DEH-P840MP,P8400MP,P8450MP
9
1-1 Owner’s Manual CRD3573
1-2 Owner’s Manual CRD3574
1-3 Installation Manual CRD3575
* 1-4 Caution Card CRP1268
1-5 Polyethylene Bag CEG1116
2 Cord Assy CDE6563
3 Accessory Assy CEA3143
4 Spring CBH1650
5-7 •••••
8 Handle CNC5395
9 Bush CNV3930
* 10 Polyethylene Bag CEG-158
11 Polyethylene Bag CEG1088
12 Case Assy CXB8574
* 13 Battery CEX1030
14 Sub Carton CHA3258
15 Carton CHG4663
16 Contain Box CHL4663
17 Protector CHP2538
18 Protector CHP2539
19 Protector CHP2541
20 Protector CHP2546
21 Remote Control Assy CXB9202
22 Screw Assy CZE3169
* 23 Polyethylene Bag CEG-127
* 24 Hexagonal Wrench CZE3176
* 25 Screw RMZ30H060FBK
26 Belt CZN7661
27 Holder Assy CZX3172
28 Holder Assy CZX3173
29 Remote Control Assy CZX3257
30 Screw Assy CEA2941
31 Screw BMZ50P060FMC
32 •••••
33 Screw CBA1002
* 34 Polyethylene Bag CEG-127
35 Screw CMZ50P060FMC
Mark No. Description Part No. Mark No. Description Part No.
- PACKING SECTION PARTS LIST (DEH-P8450MP)
- Owner's Manual, Installation Manual
Part No. Language
CRD3573 English, Spanish
CRD3574 Portuguese(B), Arabic
CRD3575 English, Spanish, Portuguese(B), Arabic
10
DEH-P840MP,P8400MP,P8450MP
2.4 EXTERIOR(1)
DEH-P840MP,P8400MP,P8450MP
11
1 Screw BMZ26P040FMC
2 Screw BSZ26P060FMC
3 Screw BSZ30P050FZK
4 Screw BSZ30P080FMC
5 Screw BSZ30P160FMC
6 Cord Assy CDE6563
7 Fuse(10A) CEK1136
8 •••••
9 Cap CNS1472
10 Resistor RS1/2PMF102J
11 Flat Cable CDE7021
12 Cord Assy CDE7026
13 Antenna Cable CDH1266
14 Holder CNC6469
15 Holder CNC8659
16 Holder CNC9708
17 Cushion CNM4870
18 Insulator CNM7543
19 Panel CNS6863
20 Tuner Amp Unit
See Contrast table(2)
21 Screw ASZ26P080FMC
22 Screw BMZ26P140FMC
23 Clamper CEF1008
24 Clamper CEF1009
25 Plug(CN981) CKM1278
26 Plug(CN811) CKS-787
27 •••••
* 28 Plug(CN101) CKS1058
29 Connector(CN832) CKS1082
* 30 Connector(CN831) CKS2211
31 Connector(CN351) CKS3606
32 Connector(CN723) CKS3835
33 Pin Jack(CN402) CKX1046
34 Holder CNC5399
35 Holder CNC9711
36 Holder CNC9713
37 Heat Sink CNR1615
38 FM/AM Tuner Unit CWE1563
39 Holder CNC8815
40 Case Unit CXB8524
41 Remote Control Assy
See Contrast table(2)
42 Cover See Contrast table(2)
43 CD Mechanism Module(S9MP3) CXK5556
44 IC(IC301) PAL007A
45 Screw ISS26P055FUC
46 Transistor(Q752,921) 2SD2396
47 Remote Control Unit
See Contrast table(2)
48 Cover See Contrast table(2)
Mark No. Description Part No. Mark No. Description Part No.
(1) EXTERIOR(1) SECTION PARTS LIST
Part No.
Mark No. Symbol and Description DEH-P840MP/XN/UC DEH-P8400MP/XN/UC DEH-P8450MP/XN/ES
20 Tuner Amp Unit CWM8042 CWM8043 CWM8044
41 Remote Control Assy CZX3257 Not used CZX3257
42 Cover CZN7655 Not used CZN7655
47 Remote Control Unit Not used CXB8743 Not used
48 Cover Not used CNS7068 Not used
(2) CONTRAST TABLE
DEH-P840MP/XN/UC, DEH-P8400MP/XN/UC and DEH-P8450MP/XN/ES are constructed the same except
for the following:
12
DEH-P840MP,P8400MP,P8450MP
2.5 EXTERIOR(2)
For lubricants points, please refer
to"Disassembly"(see page 65)
DEH-P840MP,P8400MP,P8450MP
13
1 Screw BPZ20P060FMC
2 Screw BPZ20P080FZK
3,4 •••••
5 Screw(M2x2) CBA1250
6 Holder CNC9800
7 Flexible PCB CNP6498
8 Keyboard Unit(OEL)
See Contrast table(2)
9 Connector(CN1801) CKS4175
10 Holder CNC9649
11 Tape CNM7514
12 Holder CNV6916
13 OEL Unit MXS8018
14 Sub Grille Assy
See Contrast table(2)
15 Case Unit CXB7967
16 Detach Grille Assy
See Contrast table(2)
17 Screw BPZ20P080FZK
18 Button(EJECT) CAC7241
19 Button(OPEN/BAND) CAC7242
20 Button(SRC/PAUSE/CLK) CAC7244
21 Button(1-6) CAC7246
22 Button(CROSS) CAC7247
23 Button(EQ) CAC7248
24 Spring CBH2543
25 Insulator CNM7649
26 Sheet CNM7824
27 Lighting Conductor CNV6913
28 Arm CNV6963
29 Keyboard Unit(LCD) CWM8056
30 LCD(LCD1901) CAW1704
31 Connector(CN1901) CKS4549
32 Holder CNC9648
33 Sheet CNM7512
34 Lighting Conductor CNV6914
35 Connector CNV6915
36 Grille Unit
See Contrast table(2)
37 Knob Assy CXB8026
38 Spring CBL1321
39 Screw(M2x2) CBA1250
40 Screw CBA1561
41 Spring CBH2530
42 Cushion CNM7551
43 Arm CNV6962
44 Guide CNV6967
45 Guide CNV6968
46 Flexible PCB CNP6869
47 Screw ISS26P055FUC
48 Case Unit CXB7968
49 Cover Unit CXB8127
50 Spring CBH2545
51 Cushion CNM7550
52 Panel Unit CXB7953
53 Drive Unit CXB8138
54 Screw BMZ26P040FMC
55 Screw(M2x3) CBA1061
56 Screw(M2x2) CBA1250
57 Screw(M2x1.4) CBA1562
58 Spring CBH2525
59 Spring CBH2526
60 Spring CBL1557
61 Cord CDE6737
62 Holder CNC9678
63 Holder CNC9679
64 Gear CNV6932
65 Gear CNV6933
66 Gear CNV6935
67 Gear CNV6936
68 Lever CNV6937
69 Switch(S951) CSN1051
70 Spring Switch(S952) CSN1052
71 Switch(S953) CSN1058
72 Chassis Unit CXB7956
73 Holder Unit CXB7959
74 Holder Unit CXB7960
75 Arm Unit CXB7961
76 Arm Unit CXB7962
77 Arm Unit CXB7963
78 Arm Unit CXB7964
79 Arm Unit CXB7965
80 Arm Unit CXB7966
81 Motor Unit(M951) CXB8939
82 Gear Unit CXB8940
83 Washer YE15FUC
84 Screw CBA1559
85 Sheet CNM7839
86 PCB CNX3607
87 Switch Unit CWS1370
Mark No. Description Part No. Mark No. Description Part No.
(1) EXTERIOR(2) SECTION PARTS LIST
14
DEH-P840MP,P8400MP,P8450MP
Part No.
Mark No. Symbol and Description DEH-P840MP/XN/UC DEH-P8400MP/XN/UC DEH-P8450MP/XN/ES
8 Keyboard Unit(OEL) CWM8051 CWM8052 CWM8052
14 Sub Grille Assy CXB9363 CXB9362 CXB9364
16 Detach Grille Assy CXB8092 CXB8093 CXB8094
36 Grille Unit CXB7942 CXB7941 CXB7943
(2) CONTRAST TABLE
DEH-P840MP/XN/UC, DEH-P8400MP/XN/UC and DEH-P8450MP/XN/ES are constructed the same except
for the following:
DEH-P840MP,P8400MP,P8450MP
15
16
DEH-P840MP,P8400MP,P8450MP
2.6 CD MECHANISM MODULE
DEH-P840MP,P8400MP,P8450MP
17
Mark No. Description Part No. Mark No. Description Part No.
1 CD Core Unit(S9MP3) CWX2618
2 Connector(CN901) CKS4188
3 Connector(CN101) CKS3486
4 Screw BMZ20P025FMC
5 Screw BSZ20P040FMC
6 Screw(M2x4) CBA1362
7 Screw(M2x3) CBA1527
8 Screw CBA1545
9 Washer CBF1037
10 Washer CBF1038
11 Washer CBF1039
12 Washer CBF1060
13 Spring CBH2378
14 Spring CBH2379
15 Spring CBH2514
16 Spring CBH2533
17 Spring CBH2382
18 Spring CBH2383
19 Spring CBH2384
20 Spring CBH2527
21 Spring CBH2386
22 Spring CBH2537
23 Spring CBH2390
24 Spring CBH2391
25 Spring CBH2523
26 Spring CBH2426
27 Spring CBH2444
28 Spring CBL1561
29 Spring CBL1553
30 Shaft CLA3845
31 Roller CLA3910
32 Frame CNC9654
33 Lever CNC9664
34 Lever CNC8949
35 Arm CNC9661
36 Arm CNC9016
37 Arm CNC9017
38 Bracket CNC9123
39 Frame CNC9656
40 Belt CNT1086
41 Gear CNV6886
42 Gear CNV6316
43 Gear CNV6317
44 Gear CNV6318
45 Gear CNV6319
46 Gear CNV6320
47 Arm CNV6322
48 Arm CNV6323
49 Arm CNV6324
50 Arm CNV6888
51 Arm CNV6889
52 Guide CNV6327
53 Arm CNV6924
54 Guide CNV6921
55 Rack CNV6923
56 Clamper CNV6331
57 Arm CNV6332
58 Guide CNV6333
59 Cover CNV6334
60 Arm CNV6335
61 Guide CNV6336
62 Roller CNV6338
63 Damper CNV6175
64 Damper CNV6662
65 Guide CNV6925
66 Chassis Unit CXB7980
* 67 Arm Unit CXB7983
68 Arm Unit CXB7984
69 Arm Unit CXB7985
70 Motor Unit(M2) CXB5903
71 Screw Unit CXB5904
72 Gear Unit CXB8076
73 Bracket Unit CXB7982
74 Motor Unit(M1) CXB6007
75 Arm Unit CXB8504
76 Screw(M2x5) EBA1028
77 Screw JFZ20P020FMC
78 Screw JGZ17P020FZK
79 Washer YE15FUC
80 Washer YE20FUC
81
Pickup Unit(Service)(P9MP3) CXX1550
82 Screw IMS26P030FMC
83 Guide CNV6922
84 Roller CNV6887
85 Spring CBH2509
86 Spring CBH2512
87 Spring CBH2536
88 Collar CNV6906
- CD MECHANISM MODULE SECTION PARTS LIST
IC 102
HA12187FP
IP-BUS DRIVER
PEE
24
SYSTEM CONTR
IC 601(2/2)
CN402
VDD
VCC
ANT
1
2
BUS-
BU
BUS+
BUSL+
BUSL-
1
2
8
6
5
TX
RX
IPPW
CN723
TUNER AMP UNIT
14
ASENB1
TUN L
BUSL+
BUSL-
CD L
Q101
Q102
P-BUS
P-BUS
VDD
Q602
Q603
MUTE
5
8
1
7
CN101
11
BUZZER
IC 3
EEPROM
FM/AM TUNER UNIT
28
27
FM/AM 1ST IF 10.7MHz
T51 Q51 CF51
CF52 CF53
IC1
MIXER, IF AMP, DET.
6
21
18
LDET
COMP
222510 14 12 15 16 8 13 2 3 4
CF202
VDD
VCC
DI/DO
CE2CKCE1
SDBWSLFMSD
NL1
NL2
IC 2 FM MPX
AMANT
FMANT
ATT
ATT
AMRF
FMRF
RF ADJ
ANT2 ADJ
X901
10.25MHz
ANT1 ADJ
LOCL
23
LOCH
AMDET
MPXREF 41kHz
AM 2ND IF
450kHz
19
CREQ
11
DGND
1
STIND
L ch
5
R ch
924
NC
FMLOCL
20177
NCNCWC
26
RFGND
CN901
Q101
M
LASER
DIODE
MONITOR
DIODE
CLAMP
SENSE
DISC
SENSE
FOCUS ACT.
SPINDLE
MOTOR
M
CARRIAGE
MOTOR
LOAD/
TRACKING ACT.
LD-
MD
FO+
TO+
15
5
1
4
PICKUP UNIT
(SERVICE)(P9MP3)
HOLOGRAM
UNIT
IC 301
BA5996FM
IC 201
UPD63760GJ
IC 703
+3.3V REGULATOR
RF-AMP,CD DECODER,
MP3 DECODER,
DIGITAL SERVO / DATA PROCESSOR
CD
DRIVER
2
VD
VD
3VDD
14
L-OUT
1
CN101
TOP
FOP
16
SOP
15
SOM
18
LCOP
17
LCOM
22
4,5
LOEJ
43
35
LOUT
42
9
CONT
12
FOP
TD/FD
AC,BD
F,E
SD/MD
1
13
TOP
S901
HOME
12EJ
SENSE
8EJ
SENSE
LD+
14
142
LD
141
PD
20
8
21
CD CORE UNIT(S9MP3)
3938
X201 X202
DSCSNS
CONT
LOEJ
HOME
78
80
31
29
5VDD
IC 203
BA033SFP
+3.3V REGULATOR
V3R3D
2
4
VD
CD3VON
28
VDCONT
27
1
S-818A33AUC-BGN
CD CONTROLLER
IC 701
PE5269A
33
CDMUTE
3
19
V3R3D
WAIT,
RFOK
IC 501
UPD61002GC
DRAM
IC 202
MSM51V4265EP-70TS
WMA DECODER
TC74VHCT08AFT
IC 702
XWINT,
XWAIT,
FOK
Q751
7
VDCONT
Q752
BU
15
IC 251
BA3834F
SPECTRUM ANALYZER
VR231
MIC231
6
4
1
2
3
5
CN811
VD
FEJSW1
FOPSW1
FCLSW1
MOTOR2
MOTOR1
IC 811
BA6288FS
3
14
Q812
Q811
BU
FLPPW
11
45
6
11
66
65
FLPOPN
FLPCLS
69
68
67
fclssw
fopnsw
flpejsw
M
AUTOMATIC
FLAP MOTOR
CLOSE
OPEN
EJECT
SWITCH PCB
IC 502
BA25BC0WFP
2
4
V2R5
1
+2.5V REGULATOR
A
E
D
PD5740A(E
PD5741A(U
18
DEH-P840MP,P8400MP,P8450MP
A
1
234
B
C
D
12
34
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
12
1
VDD
BU
74
73
SD
SL
TUNPCE
TUNPCK
TUNPDO
ASENBO
10
FL
11
RL
87
MUTE
XOUT
XIN
3
5
23
21
FLFL+
RLRL+
50
97
IN3-L
42
IN4+L
43
IN4-L
44
IN2-L
41
72
57
71
55
82
30 29 81
FLIN
12
RLIN
14
22 4
RESET
POWER AMP
IC 601(1/2)
IC 601(2/2)
IC 131
PML009A
IC 651
S-80735ANDZI
IC 301
PAL007A
RESET
VDD
Q901
Q931
SYSPW
TXRXIPPW
ELECTRONIC VOLUME/
SOURCE SELECTOR
STBYMUTE
13
X601
15
2
ACC
VST,VCK,VDT
TUN L
SYS+B
BU
Q922
Q923
23
SYSPW
Q301
FL
Q351
FL
Q352
RL
Q353
RL
SW
12
PL
MUTE
SYSTEM CONTROLLER
Q941
Q951
VDD
83
TELIN
10
25
B.REMOTE
IN1-L
VDD REGULATOR
ILL SENSE
BACKUP SENSE
ACC SENSE
TELEPHONE MUTE
SYS+B REGULATOR
5
9
11
12
10
1
3
8
4
2
IC 571
PA2028A
HIGH OUT
OUT1
18
OUT3
16
OUT5
14
11
7
9
IN5
IN1
IN3
PL
FL
RL
CN981
Q503
BU
CN351
BACK UP
GND
ACC
ILL
TELMUTE
B.REM
FL-
FL+
RLRL+
Q921
Q501
MUTE
11
7
3
SW
bsens
asens
isens
PD5740A(ES)
PD5741A(UC)
tunpce@
13
MIC_IN
Q872
Q871
BU
OELPW
22
IC 871
NJM2360M
6
1
5
CN831
4
6
OEL+B
DPDT1
KYDT1
DPDT1
31
KYDT1
32
Q831
Q832
VDD2
SWVDD1
40
1
SWVDD5V
Q963
Q962
BU
ILMPW2
43
4
CN832
10
11
ILM+B
DPDT2
KYDT2
DPDT2
35
KYDT2
36
Q971
Q972
VDD2
SWVDD2
79
6
SWVDD5
Q833
Q834
ILMPW1
42
2
ILM+B2
OEL+B REGULATOR
ILM+B REGULATOR
4
10
11
6
4
5
3
8
7
CN1801
OEL+B
DPDT2
KYDT2
SWVDD5V2
ILM+B2
CN1901
ILM+B
DPDT
KYDT
SWVDD5V
KEYBOARD UNIT(LCD)
KEYBOARD UNIT(OEL)
Q651
5
RST1
5
RST
VDD2
Q911
ACC
5V REGULATOR
IC 1801
PD5745A
GRILLE µ-COM
KEY MATRIX
IC 1802
PD8091A
(DEH-P840MP)
PD8092A
(DEH-P8400MP,P8450MP)
ROM
OEL UNIT
Q1807
Q1806
4
IC 1806
TC7SET08FU
228
27
DPDT
KYDT
5
IC 1805
S-818A33AUC-BGN
1
3.3V
8
XOUT
XIN
11
X1801
13
IC 1902
PD6340A
GRILLE µ-COM
KEY MATRIX
LCD
20
18
DPDT
KYDT
XO
XI
22
X1901
23
SW5V
4
IC 1901
RS-140
1
17
REM
OPT IN
SW5V
VDD
77
RESET
B
C
CONNECTOR PCB
F
PD5740A(ES)
PD5741A(UC)
10A
FUSE
B.UP
ACC
ILM
MUTE
GND
FLFL+
RLRL+
B.REM
DEH-P840MP,P8400MP,P8450MP
5
6
7
8
A
B
C
D
5
6
7
8
19
A
E
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
The > mark
the importanc
Therefore, wh
identical desi
D
CN901
B
CN1801
F
FM/AM TUNER UNIT
M
SWITCH PCB
E
M951
AUTOMATIC FLAP
CXB8939
CSN1052
(CLOSE)
CSN1051
(OPEN)
CSN1058
(EJECT)
IP-BUS
DRIVER
VD REG
E-VOL
OEL+B REG
SW VDD
FLAP MOTOR
AND SENSE
SYSTEM C
FM(100%):-19.5dBs
AM(30%):-30.0dBs
FM:-20.5dBs
AM:-31.0dBs
IP-BUS:+2.2dBs
CD:0.0dBs
TUNER
PD5
(DEH-P840M
PD5
(DEH-P8
20
DEH-P840MP,P8400MP,P8450MP
A
1
234
B
C
D
12
34
3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)
A
E
A-b
**
**
GND
RL—
RL+
FL—
FL+
B.REM
ILL
ACC
TEL
CEK1136
10A
RR—
RR+
FR—
FR+
>
FRONT
L CH
SUB
WOOFER
L CH
RCA OUT
SUB
WOOFER
R CH
FRONT
R CH
REAR
L CH
REAR
R CH
Decimal points for resistor
and capacitor fixed values
are expressed as :
2.2 2R2
0.022 R022
←
←
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.
found on some component parts indicates
ce of the safety factor of the part.
A
TUNER AMP UNIT
ASL
SPECTRUM
ANALYSER
HI-OUT
MUTE
POWER AMP
RESET
5V REG
VDD REG
SENSE
TEL MUTE
SYS+B REG
MUTE
SW
VDD
BL+B
REG
ILM+B
REG
FM:+2.6dBs
AM:-7.9dBs
IP-BUS:+8.3dBs
CD:+8.1dBs
FM:+10.1dBs
AM:-0.4dBs
IP-BUS:+15.8dBs
CD:+15.6dBs
FM:+28.6dBs
AM:+18.1dBs
IP-BUS:+34.3dBs
CD:+34.1dBs
8450MP)
DEH-P840MP
DEH-P8400MP
DEH-P8450MP
R626 R628
100K
100K
100K
Not used
**
12
11
10
9
8
7
6
5
4
3
2
1
PAL007A
Not used
Not used
21
DEH-P840MP,P8400MP,P8450MP
5
6
7
8
A
B
C
D
5
6
7
8
A
1
The > mar
the importa
Therefore, w
identical de
D
CN901
IP-BUS
DRIVER
VD REG
E-V
SYSTEM
M(100%):-19.5dBs
AM(30%):-30.0dBs
FM:-20.5dBs
AM:-31.0dBs
IP-BUS:+2.2dBs
CD:0.0dBs
TUNER
22
DEH-P840MP,P8400MP,P8450MP
A
1
234
B
C
D
12
34
A-a
A-b
A-a
A-a
A-b
A-a
A-a
A-b
E
2
B
CN1801
F
FM/AM TUNER UNIT
M
SWITCH PCB
E
M951
AUTOMATIC FLAP
CXB8939
CSN1052
(CLOSE)
CSN1051
(OPEN)
CSN1058
(EJECT)
OEL+B REG
SW VDD
FLAP MOTOR
AND SENSE
SYSTEM
FM(100%):-19
AM(30%):-30
PD
(DEH-P84
PD
(DEH
23
DEH-P840MP,P8400MP,P8450MP
5
6
7
8
A
B
C
D
5
6
7
8
A-a
A-b
A-a
E
A-a
A-b
1
FRONT
L CH
SUB
WOOFER
L CH
RCA OUT
SUB
WOOFER
R CH
FRONT
R CH
REAR
L CH
REAR
R CH
A
TUNER AMP UNIT
E-VOL
ASL
SPECTRUM
ANALYSER
HI-OUT
MUTE
POWER AMP
RESET
5V REG
FM:+2.6dBs
AM:-7.9dBs
IP-BUS:+8.3dBs
CD:+8.1dBs
FM:+10.1dBs
AM:-0.4dBs
IP-BUS:+15.8dBs
CD:+15.6dBs
121110
987654321
PAL007A
24
DEH-P840MP,P8400MP,P8450MP
A
1
234
B
C
D
12
34
A-a
A-b
A-b
A-a
A-b
A-b
2
**
**
GND
RL—
RL+
FL—
FL+
B.REM
ILL
ACC
TEL
CEK1136
10A
RR—
RR+
FR—
FR+
>
Decimal points for resistor
and capacitor fixed values
are expressed as :
2.2 2R2
0.022 R022
←
←
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.
F
5V REG
VDD REG
SENSE
TEL MUTE
SYS+B REG
MUTE
SW
VDD
BL+B
REG
ILM+B
REG
FM:+28.6dBs
AM:+18.1dBs
IP-BUS:+34.3dBs
CD:+34.1dBs
PD5741A
(DEH-P840MP, P8400MP)
PD5740A
(DEH-P8450MP)
DEH-P840MP
DEH-P8400MP
DEH-P8450MP
R626 R628
100K
100K
100K
Not used
**
Not used
Not used
25
DEH-P840MP,P8400MP,P8450MP
5
6
7
8
A
B
C
D
5
6
7
8
A-b
A-a
A-b
26
DEH-P840MP,P8400MP,P8450MP
A
1
234
B
C
D
12
34
B
A
CN831
B
3.3 KEYBOARD UNIT(OEL)
DEH-P840MP,P8400MP,P8450MP
5
6
7
8
A
B
C
D
5
6
7
8
27
B
B
KEYBOARD UNIT(OEL)
OEL UNIT
MXS8018
ROM
GRILLE µ-COM
PD8091A(DEH-P840MP)
PD8092A(DEH-P8400MP, P8450MP)
B
C
A
CN832
RESET
VOLUME
CLK PAUSE
SRC
REMOTE CONTROL
SENSOR
F
CONNECTOR
PCB
28
DEH-P840MP,P8400MP,P8450MP
A
1
234
B
C
D
12
34
C
F
3.4 KEYBOARD UNIT(LCD)
C
C
KEYBOARD UNIT(LCD)
LCD
GRILLE µ-COM
29
DEH-P840MP,P8400MP,P8450MP
5
6
7
8
A
B
C
D
5
6
7
8
C
D
D-a
R750
PD9023A
3300P
R022
SPINDLE MOTOR
M1 CXB6007
LOADING/CARRIAGE
MOTOR
M2 CXB5903
SWITCHES:
CD CORE UNIT(S9MP3)
S901 : HOME SWITCH ON-OFF
S902 : CLAMP SWITCH ON-OFF
S903 : DSCSNS SWITCH ON-OFF
S904 : 12EJ SWITCH ON-OFF
S905 : 8EJ SWITCH ON-OFF
....
........
......
...........
............
The underlined indicates the switch
position.
PICKUP UNIT
(SERVICE)(P9MP3)
F
T
C
S
SIGNAL LINE
FOCUS SERVO LINE
TRACKING SERVO LINE
CARRIAGE SERVO LINE
SPINDLE SERVO LINE
F
F
F
F
F
F
F
F
F
F
F
F
T
T
T
T
T
C
S
T
T
T
S
C
S
S
C
C
S
S
C
C
1
2
3
5
6
7
8
0
!
@
#
F
T
C
S
30
DEH-P840MP,P8400MP,P8450MP
A
1
234
B
C
D
12
34
3.5 CD MECHANISM MODULE(GUIDE PAGE)
D
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