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ORDER NO.
CRT3395
DEH-3730MP/XN/EW
HIGH POWER CD/MP3/WMA PLAYER WITH RDS TUNER
DEH-3730MP /XN/EW
DEH-3700MP/XN/EW
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".
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 2004
K-ZZA. NOV. 2004 Printed in Japan
1 2 3 4
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
Large size
SCH diagram
A-a
A-a A-b
C CN901
A-a A-b Guide page
A-a A-b Detailed page
B
C
FM/AM TUNER UNIT
bsrq
AVREF1
AVDD
VSS
source
dsene
D
STRKEY2
BSI
BDATA
BSCK
RECEIVE
XTALEN
brxen
brst
E
NOTE :
Symbol indicates a resistor. Decimal points for resistor
No differentiation is made between chip resistors and and capacitor fixed values
discrete resistors. are expressed as :
Symbol indicates a capacitor. 2.2 2R2 B
No differentiation is made between chip capacitors and 0.022 R022
discrete capacitors. CN1801
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.
F
A
DEH-3730MP/XN/EW
14
1 2 3 4
5 6 7 8
A-b A
A TUNER AMP UNIT
>
B
C
>
CEK1208
10A BACKUP
GND
ACC
B.REM
RL--
FL--
RL+
D
FL+
RR--
FR--
RR+
FR+
RR RR
- +
BACK FR FR
UP - +
B. FL FL
REM - +
GND ACC RL RL
- +
E
F
A
DEH-3730MP/XN/EW
5 6 7 8
15
4 3 2 1
16
DEH-3730MP/XN/EW
A-a
FM/AM TUNER UNIT
F
E
D
A-a A-b
C
bsrq
AVREF1
C
AVDD
VSS
CN901
source
B
dsene
4 3 2 1 A-b
A
4 3 2 1
3
FM/AM T
4
5
5
STRKEY2
BSI
BDATA
BSCK
5
XTALEN
brst
brxen
RECEIVE
6
6
NOTE :
Symbol indicates a resistor. Decimal points for resistor
No differentiation is made between chip resistors and and capacitor fixed values
discrete resistors. are expressed as :
Symbol indicates a capacitor. 2.2 2R2
No differentiation is made between chip capacitors and 0.022 R022
B
DEH-3730MP/XN/EW
6
discrete capacitors. CN1801
7
7
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.
8
8
A-a A-b
A-a
A-b
17
E
A
D
C
F
B
F
E
B
A
D
C
18
A-a A-b
A-b
A TUNER AMP UNIT
1
1
1
>
2
2
DEH-3730MP/XN/EW
3
3
2
4
4
>
3
CEK1208
10A BACKUP
GND
ACC
B.REM
4
>
3
CEK1208
10A BACKUP
GND
ACC
B.REM
4
RL--
FL--
RL+
5
5
FL+
RR--
FR--
RR+
5
FR+
RR RR
- +
6
6
BACK FR FR
UP - +
B. FL FL
REM - +
GND ACC RL RL
- +
DEH-3730MP/XN/EW
6
7
7
8
8
A-a A-b
A-b
19
E
A
D
C
F
B
1 2 3 4
3.3 KEYBOARD UNIT
A
B
C
D
E
F
B
DEH-3730MP/XN/EW
20
1 2 3 4
5 6 7 8
A
B KEYBOARD UNIT
B
A
CN831
C
D
E
CEL1662
F
B
DEH-3730MP/XN/EW
5 6 7 8
21
1 2 3 4
3.4 CD MECHANISM MODULE(GUIDE PAGE)
A
C-a
F
C
T
S
PICKUP UNIT(P10)(SERVICE)
%
B
F
F
F
T
T
T
F
T
T #
F
F @
T
C
D
3
$
2 S
T
7
1 9
C
F
8
4
E
M1 CXC4440 0
5 TY
SPINDLE MOTOR
S
S F
F
C T
T
C
M2 CXB8933
LOADING
/CARRIAGE
C
S
S
C
MOTOR CD DRIVER
F
C
DEH-3730MP/XN/EW
22
1 2 3 4
5 6 7 8
A
C-b
SWITCHES:
CD CORE UNIT(S10.1)
S901:HOME SWITCH..........ON-OFF
ras
S903:DSCSNS SWITCH......ON-OFF
S904:12EJ SWITCH.............ON-OFF
S905:8EJ SWITCH...............ON-OFF
The underlined indicates the switch position.
B
SIGNAL LINE
F
FOCUS SERVO LINE
T
TRACKING SERVO LINE
C
CARRIAGE SERVO LINE
! S
SPINDLE SERVO LINE
C CD CORE UNIT(S10.1)
3.3V REGULATOR
C
D
SRAMLEVEL2
MICRO COMPUTER
A
3V REGULATOR
SRAMLEVEL1 CN651
SRAMLEVEL0
E
6
TYPE_A/D
^
&
F
C
DEH-3730MP/XN/EW
5 6 7 8
23
F
E
B
A
D
C
24
A-a
C-a C-b
C-a
C-b
1
1
1
F
T
C
S
PICKUP UNIT(P10)(SERVICE)
%
2
2
F
F
F
T
T
T
DEH-3730MP/XN/EW
F
T
T #
3
3
F
F @
T
4
4
2
2
5
5
3
3
$
6
6
2 S
T
9 7
1
C
F
8
4
M1 CXC4440 0
5
SPINDLE MOTOR
S
4
S F
F
C T
DEH-3730MP/XN/EW
T
C
7
7
M2 CXB8933
LOADING
S
C
S
C
/CARRIAGE
5
MOTOR CD DRIVER
6
8
8
A-a
C-a C-b
C-a
C-b
25
E
A
D
C
F
B
F
E
B
A
D
C
26
C-a C-b
C-b
1
1
1
SWITCHES:
CD CORE UNIT(S10.1)
S901:HOME SWITCH..........ON-OFF
ras
S903:DSCSNS SWITCH......ON-OFF
S904:12EJ SWITCH.............ON-OFF
S905:8EJ SWITCH...............ON-OFF
The underlined indicates the switch position.
2
2
SIGNAL LINE
F
FOCUS SERVO LINE
T
TRACKING SERVO LINE
C
CARRIAGE SERVO LINE
! S
SPINDLE SERVO LINE
C CD CORE UNIT(S10.1)
DEH-3730MP/XN/EW
3
3
3.3V REGULATOR
4
4
2
2
5
5
3
SRAMLEVEL2
MICRO COMPUTER
6
6
A
3V REGULATOR
SRAMLEVEL1 CN651
SRAMLEVEL0
6
TYPE_A/D
4
^
DEH-3730MP/XN/EW
7
7
&
5
6
8
8
C-a C-b
C-b
27
E
A
D
C
F
B
1 2 3 4
- Waveforms Note : 1. The encircled numbers denote measuring points in the circuit diagram.
2. Reference voltage REFO1(1.65V)
A
1 DSCSNS 5V/div 500ms/div 1 DSCSNS 5V/div 500ms/div 1 DSCSNS 5V/div 500ms/div
2 8SNS 5V/div 5 CLCONT 5V/div 2 8SNS 5V/div
3 12SNS 5V/div 4 LOEJ 5V/div 3 12SNS 5V/div
4 LOEJ 5V/div 6 VD 10V/div 4 LOEJ 5V/div
12 cm CD Loading operation 12 cm CD Loading operation 8 cm CD Loading operation
Ref.: Ref.: Ref.:
GND GND GND
Mode: Mode: Mode:
B Normal Normal Normal
7 SIN 1V/div 2s/div 7 SIN 1V/div 1s/div 7 SIN 1V/div 2s/div
8 CIN 500mV/div 8 CIN 500mV/div 8 CIN 500mV/div
9 TIN 500mV/div 9 TIN 500mV/div 9 TIN 500mV/div
12 cm CD-DA setup operation after loading 12 cm CD-ROM(1 session) setup operation 12 cm CD-ROM(3 sessions) setup operation
after loading after loading
C Ref.: Ref.: Ref.:
REFO REFO REFO
Mode: Mode: Mode:
Normal Normal Normal
0 FIN 200mV/div 500ms/div @ TE 500mV/div 200ms/div # FE 500mV/div 20ms/div
! RFOK 2V/div # FE 500mV/div 0 FIN 500mV/div
7 SIN 2V/div @ TE 500mV/div
9 TIN 500mV/div
12 cm CD-DA Source On setup operation Source On setup operation CD-DA Play operation
D
Ref.: Ref.: Ref.:
REFO REFO REFO
Mode: Mode: Mode:
Normal Normal Normal
# FE 500mV/div 20ms/div $ MDX 1V/div 50ms/div $ MDX 2V/div 5