Pioneer DEH-P4500R 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-ZZA. NOV. 2002 Printed in Japan
ORDER NO.
CRT2985
MULTI-CD CONTROL HIGH POWER CD PLAYER WITH RDS TUNER
DEH-P4500RXM/EW, XN/EW
DEH-P4500R/XM/EW
- This service manual should be used together with the following manual(s):
Model No. Order No. Mech. Module Remarks
CX-3026 CRT2944 S10
CD Mech. Module:Circuit Description, Mech.Description, Disassembly
For details, refer to "Important symbols for good services".
12
1
234
12
34
F
E
D
C
B
A
DEH-P4500R/XM/EW
CN701
CN101
Q101
M
LASER
DIODE
MONITOR
DIODE
CLAMP
HOME
X201
12EJ 8EJ DSCSNS
FOCUS ACT.
SPINDLE
MOTOR
M
CARRIAGE
MOTOR
LOADING/
TRACKING ACT.
LD+
MD
FOP
TOP
14
5
4
1
PICKUP UNIT
(SERVICE)(P10)
HOLOGRAM
UNIT
IC 301
BA5996FP
IC 201
UPD63712GC
IC 701
NJM2391DL1-33
3.3V REGULATOR
SERVO
CONTROL,
DSP,
LPF, DAC
ACT,MOTOR
DRIVER
1
VD
VD
3R3V
7
CONT
11
CLMP
5
LOEJ
6
DSCSNS
8
LOUT
TOP
FOP
16
SOP
15
SOM
17
LCOM
18
LCOP
22
1
LOEJ
23
20
LOUT
XTAL
xtal
24
9
CONT
12
FOP
FD, TD, SD, MD
AC, F, E, BD
1
LD
2
PD
42
LIMIT
3
13
TOP
D
CD CORE UNIT(S10)
D
2
16
SO
12
XSI
4
INTQ
7
INTQ
ASENBO
85
mute
XIN
XOUT
41
PEE
22
38
43
44
42
80
28
27
79
SYSTEM CONTROLLER
IC 601(2/2)
PD5801A
CN401
1
2
BUS-
BUS+
BUS+L
BUS-L
TX
RX
IPPW
SWVDD
BU
CN651
Q8
Q652
Q651
TUNER AMP UNIT
13
X601
11
EVST,EVCK,EVD
TUN L
BUS+L
BUS-L
CD L
33
DPDT
34
KYDT
1
SYSPW
EJTIN
42
41
ILMPW
S
DSENS
39
dsens
A
5
8
1
7
CN101
11
BUZZER
20
15
11
17
16
14
21
IC 101
HA12187FP
IP-BUS DRIVER
1
2
8
6
5
TX
RX
IPPW
BU
Q101
Q102
RDS_C
RDS_L
RDS_D
RDS_H
CDLOEJ
23
CONT
56
DSCSNS
87
xtalen
66
TUN 3.3V
SYS 8.4V
VDD
32
VDCONT
CLMP
TC7SET08FU
IC 653
24
XSI
4
6
80
VDSENS
VDSENS
ANTENNA
92
LVLINL
LEVEL INDIC
BU
Q804
ILB
20
LCDPW/
OELPW
TC7SET08FU
IC 652
24
INTQ
18
18
BZ 641
TC7SET08FU
IC 801
24
35
ROT136ROT0
VDD
Q8
FLPILM
40
FMRF
ANT adj
RF adj
FM ANT
T51
CF52
CF51
RFGND
OSCGND
DGND
AUDIOGNDNCVCC
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
LDET
DO
RDS_CK
RDS_DATA
RDS_LOCK
RDS_HSLK
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,
RDS DECODER
24
23
Rch
Lch
FM/AM TUNER UNIT
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
13
5
6
7
8
F
E
D
C
B
A
5
6
7
8
DEH-P4500R/XM/EW
10
1
bsens
asens
VDD
BU
72
73
10
FL
11
RL
ILB
SWVDD
ILB
SWDVDD
23
21
3
5
FL-
FL+
RL-
RL+
ACC
IN2-L
41
IN4+L
43
IN4-L
44
IN3-L
42
FLIN
14
RLIN
12
22 4
RESET
POWER AMP
IC 601(1/2)
PD5801A
IC 201
PML009A
IC 602
IC 301
PAL007A
reset
VDD
Q911
Q931
SYSPW
ELECTRONIC VOLUME/
SOURCE SELECTOR
STBYMUTE
IC 1900
PD6294A
LCD DRIVER/
KEY CONTROLLER
KEY MATRIX
9
11
KEY DATA
VDD
55
CN831
CN1901
Q807
KEYBOARD UNIT
X601
2
EVST,EVCK,EVDT
TUN L
DPDT
3
5
DPDT
KYDT
SYS 8.4V
BU
Q923
Q922
BU
Q301
MUTE
PL
FL
Q352
12
PL
7
2
11
14
8
7
2
11
14
8
CN1950
CN1951
S1970
KYDT
4
2
10
8
IC 1901
RS-140
REMOTE CONTROL SENSOR
OPT IN
4
1
10
REMIN
9
8
DPDT
KTDT
EJECT
LCD
PANEL UNIT
MUTE
S802
DSENS
SYSTEM CONTROLLER
Q951
VDD
TELIN
8
25
B.REMOTE
FL-
FL+
RL-
RL+
VDD REGULATOR
BACKUP SENSE
ACC SENSE
TELEPHONE MUTE
SYS 8.4V REGULATOR
14
8
6
5
7
16
9
11
14
8
6
5
7
16
9
11
15 15
B
C
CN901
Q982
BU
CN352
BACK UP
GND
RR
+
RR
FR
+
FR
FL
+
FL
RL
+
RL
-
ACC
GND
BACK
UP
B.
REM
FUSE
10A
ACC
TELMUTE
B.REM
ldet
SL
tunce@
TUNPCE1
TUNPDI
TUNPDO
17
95
69
70
98
99
TUNPCK
100
ce@
CE1
Q402
Q401
RDS_CK
RDS_LOCK
45
rdslk
16
RDSDATA
46
rdshslk
44
rdslk
RDS_DATA
RDS_HSLK
2
6
NJM2391DL1-33
IC 401
13
SYS 8.4V
TUN 3.3V
TUNER 3.3V REGULATOR
Q921
DO
DI
CK
Q913
DALMON
67
BU
6,20
Q981
TPD1018F
VLCD
11
810
10
5
BL+B
9
9
DGND
Q353
PL
FL
Q932
isens
81
ILM SENSE
ILM
12
12
NJM4558MD
IC 131
57
1
SEL_OUT_L
LEVEL INDICATOR
Q804
Q803
Q806
ILB
ILB
Q1910
DIMMER
DIMMER
7
ILLUMINATION
X1
X0
2
X1900
3
2
S1951
3
2
1
413
13
9
612
12
7
ROT1
ROT0
ROT1
ROT0
ROT1
ROT0
VDD
Q808
ILM
S-80835ANUP-EDZ
NON-FAD/SW L
FRONT L
BU
5
6
5
6
Q805
14
1
234
12
34
F
E
D
C
B
A
DEH-P4500R/XM/EW
C
KEYBOARD UNIT
B
PANEL UNIT
D
CD CORE UNIT (S10)
CN701
FM/AM TUNER UNIT
EJECT SW
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-a
A-b
A-b
A-a
A B
A-a
Large size
A-b
SCH diagram
Guide page
A-a A-b
A-a
A-b
Detailed page
A-a
15
5
6
7
8
F
E
D
C
B
A
5
6
7
8
DEH-P4500R/XM/EW
600µH
SYSTEM CONTROLLER
FUSE
10A
CEK1208
>
FRONT
R CH
FRONT
L CH
SUB WOOFER
R CH
SUB WOOFER
L CH
BACKUP
GND
RL—
RL+
FL—
FL+
ACC
ILM
B.REM
TEL
RR—
RR+
FR—
FR+
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
A
TUNER AMP UNIT
RR
+
RR
FR
+
FR
FL
+
FL
RL
+
RL
-
ACC
GND
ILM
BACK
UP
DSENS SW
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
16
1
234
12
34
F
E
D
C
B
A
DEH-P4500R/XM/EW
A-a
A-b
A-a
A-a
A-b
1
2
SYSTEM CONTROLLER
FM/AM TUNER UNIT
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