Pioneer DEH-340 User 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 2001 K-ZZD. NOV. 2001 Printed in Japan
ORDER NO.
CRT2759
HIGH POWER CD PLAYER WITH FM/AM TUNER
DEH-340 XN/UC
Service
Manual
DEH-340/XN/UC
CONTENTS
1. SAFETY INFORMATION ............................................3
2. EXPLODED VIEWS AND PARTS LIST.......................4
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...12
4. PCB CONNECTION DIAGRAM ................................26
5. ELECTRICAL PARTS LIST ........................................34
6. ADJUSTMENT..........................................................41
7. GENERAL INFORMATION .......................................45
7.1 DIAGNOSIS ........................................................45
7.1.1 DISASSEMBLY .........................................45
7.1.2 CONNECTOR FUNCTION DESCRIPTION.......48
7.2 PARTS .................................................................49
7.2.1 IC................................................................49
7.2.2 DISPLAY....................................................58
7.3 OPERATIONAL FLOW CHART...........................59
7.4 CLEANING ..........................................................60
8. OPERATIONS AND SPECIFICATIONS.....................61
-This service manual should be used together with the following manual(s):
Model No. Order No. Mech. Module Remarks
CX-977 CRT2624 S9 CD Mech. Module:Circuit Description, Mech.Description, Disassembly
DEH-3400 XN/UC
DEH-34 XN/UC
For details, refer to "Important symbols for good services" on the next page.

12
DEH-340,3400,34
A
1234
B
C
D
1234
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
VDCONT
Q510
Q511
B.U
ANTENNA CN402
LOCL
Q410
VCC VDD
PCE2
PCK
PCE1
SL
SD
PDIO
S
S
T
T
T
T
L
I
I
6
76
14
13
48
12
57
2
3
CN501
CDL
SYSTEM
CONTROLL
IC 610(2/
PE5262B
CD5VON
34
23
79
32
21
35
VDCONT
HOME
DSCSNS
LOEJ
CONT
LOEJ
CONT
T
11
PDIO
TUNER AMP UNIT
VD
CD5VON
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
22
25 10 14 12 15 16 8 13 2 3 4
CF202
VDD
VCC
DI/DO CE2 CK CE1 SDBW SL FMSD NL1 NL2
IC 2 FM MPX
AMANT
FMANT
ATT
ATT
AMRF
FMRF
IMG ADJ
RF ADJ
X901
10.25MHz
ANT 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
NC NC WC
26 RFGND
CN701
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)(P9)
HOLOGRAM
UNIT
IC 401
BA5996FM
IC 201
TC9495F2
IC 701
BA05SFP
+5V REGULATOR
SERVO
CONTROL,
DSP,
LPF, DAC
CD
DRIVER
17
DSCSNS
2
VD
VD
VDD
11
CONT
10
LOEJ
14
L-OUT
1
CD5VON
CN101
TOP
FOP
16 SOP
15 SOM
17 LCOP
18 LCOM 22
1
2
LOEJ
78
85
L_OUT
79
9
MUTE
12 FOP TD/FD
AC,BD
F,E
SD/MD
38 RFI
43 FEI
4
14 TOP
S901
HOME
12EJ
SENSE 8EJ
SENSE
HOME 16
LD+ 14 VDD
9LDO
8MDI
IC 101
TA2153FN
RFRPIN
FEO
TEO
24
16
14 46 TEI
RF-AMP
CONTROL UNIT
17
2
11
10
14
1
16
A
D
PCE1
PCK
PCE2

DEH-340,3400,34
5678
A
B
C
D
567813
KYDT
DPDT
IC 1900
PD6340A
5
3
8
14
11
10 KEY MATRIX
SD
SL
TUNPCE
TUNPCK
TUNPCE2
TUNPDO
LOCL
IN2_L
IN3_L
6
76
14
13
48
12
57
2
3
SYSTEM
CONTROLLER
IC 610 (1/2)
PE5262B
VST
VCK
VDT
B.U
VDD Q913
B.U BACKUP
FL-
FL+
RL-
RL+
ACC
2
1
10
12
9
11
3
ELECTRONIC VOLUME
IC 301
PML003AM
SYSTEM
CONTROLLER
IC 610(2/2)
PE5262B
ASENS 64
BSENS 63
TELIN 38
SYSPW 42
MUTE 44
KYDT 8
DPDT 9
RESET 60
SWVDD 41
Frontout_L 10
Rearout_L 11
POWER AMP
IC 361
PAL007A
14
12
22 4
5
3
21
23
FL
MUTE STBY
RL
B.U
bsens
asens Q920
Q361 MUTE
Q921
KEYBOARD UNIT
CN1901CN750
LCD
20
18
Q750
RESET
IC 603
S-80834ANY VDD
12
SYSPW
6
B.REM
FUSE
10A
N
NT
NS
TUNPDI
11
PDIO
VST/ VCK/ VDT
VDD
VDD
VLCD
56
10
CN901
Q 351
CN351
REAR L CH
Q359
BACK UP
FL-
FL+
RL-
RL+
B.REM
ACC
GND
C
PCE1
PCK
PCE2
ANTIN 52
KYDT
DPDT
SW5V
KEY CONTROL
LCD DRIVER
2
1
10
12
9
11
3
6
SYSPW
Q910 Q911
B.U
VCC
Q912
RESET
IC 603
S-80834ANY
12
VCC REGULATOR
VDD REGULATOR
14
11
10
CN1950
8
10
5
CN1951
13 13
88 S1950
EJECT
EJECTS 53
12 12
94
76
S1922 VOLUME
ROT0
ROT1
ROT0
ROT1
ROT0
ROT1
37
36
Q 341 FRONT L CH
IC1902
RS-140
4
1REM
17
REMOTE CONTROL
SENSOR
OPT IN
PANEL UNIT
B
DEH-340/XN/UC
25
S750
DSENS
Q751
B.U
Q753
B.U
Q752
99
66
55
77
44 310
CSENS
ILB+
FILM+
FILM-
EJECT
µGND
CSENS
KYDT
DPDT
IL+B
SW+5V
94
ILLUMINATION
ILLUMINATION
ILMPW 40
FLPILM 20
DSENS 64
CSENS 80

14
DEH-340,3400,34
A
1234
B
C
D
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-a A-b
A-aA-a A-bA-b
A-bA-b
A-aA-a
Large size
SCH diagram
Guide page
Detailed page
A
FM(100%):-19.5dBs
AM(30%):-30dBs
DCONTROL UNIT FM/AM TUNER UNIT
A
A
CKEYBOARD UNIT
BPANEL UNIT
183 183
162 162
272
272
104 393 CSS1023 4.194MHz
0R0
R791
DSENS
EJECT
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
ANTENNA
JACK
SYST
ELECTRONIC
A-a
B

15
DEH-340,3400,34
5678
A
B
C
D
5678
A
FM(100%):+3.6dBs
AM(30%):-6.9dBs
CD:+10.2dBs
CD:+9.4dBs
FM(100%):+29.6dBs
AM(30%):+19.1dBs
CD:+36.2dBs
ATUNER AMP UNIT
RR+
RR-
FR+
FR-
FL+
FL-
RL+
RL-
ACC
GND
B.REM
BACK UP
CEK1136
>
10A
RR
FR
FL
RL
PRE OUT
600µH
EM CONTROLLER
MUTE
POWER AMP
VOLUME
VDD REGULATOR
SYS+B REGULATOR
BACK UP SENSE
ACC SENSE
VCC REGULATOR
DEH-340/XN/UC
A-b

16
DEH-340,3400,34
A
1234
B
C
D
1234
A-a
A-a A-b
FM(100%):-19.5dBs
AM(30%):-30dBs
FM/AM TUNER UNIT
183
183
162
162
272
272
3CSS1023 4.194MHz
0R0
R791
ANTENNA
JACK
SYSTEM CO
ELECTRONIC VOLU
1

17
DEH-340,3400,34
5678
A
B
C
D
5678
A-a A-b
DCONTROL UNIT
A
A-
CKEYBOARD UNIT
BPANEL UNIT
104 393
DSENS
EJECT
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
6
5
2 3 4
7
A-a
B

18
DEH-340,3400,34
A
1234
B
C
D
1234
A-a A-b
A-b
FM(100%):+3.6dBs
AM(30%):-6.9dBs
CD:+10.2dBs
CD:+9.4dBs
FM(100%):+29.6dBs
AM(30%):+19.1dBs
CD:+36.2dBs
ATUNER AMP UNIT
RR
FR
FL
RL
PRE OUT
600µH
TEM CONTROLLER
MUTE
POWER AMP
C VOLUME
DEH-340/XN/UC
1

19
DEH-340,3400,34
5678
A
B
C
D
5678
A-b
A-a A-b
FM(100%):+29.6dBs
AM(30%):+19.1dBs
CD:+36.2dBs
RR+
RR-
FR+
FR-
FL+
FL-
RL+
RL-
ACC
GND
B.REM
BACK UP
CEK1136
>
10A
VDD REGULATOR
SYS+B REGULATOR
BACK UP SENSE
ACC SENSE
VCC REGULATOR
6
5
2 3 4
7

20
DEH-340,3400,34
A
1234
B
C
D
1234
3.3 KEYBOARD UNIT
CLOC
←
←
LCD
5
DEH-340/XN/UC
SML-310PT
CSG1107
CSG1107
CSG1107
CAW1699
D1919,1920
S1900
S1901-1906
S1908-1916
LCD
DEH-3400/XN/UC
SML-310PT
CSG1107
CSG1107
CSG1107
CAW1707
DEH-34/XN/UC
SML-310DT
CSG1133
CSG1117
CSG1117
CAW1707
KEY CONTROL AND
DISPLAY DRIVER
REMOTE CON
C