Pioneer KEH-3031 XM/EE 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 2002 K-ZZS. NOV. 2002 Printed in Japan
ORDER NO.
CRT2978
HIGH POWER CASSETTE PLAYER WITH FM/MW/LW TUNER
KEH-3031XM/EE
Service
Manual
3
6
2
5
1
4
B
BANDBAND
BASS/TREBLE BOOSTERBASS/TREBLE BOOSTER
KEH-3031KEH-3031
KEH-3031/XM/EE
For details, refer to "Important symbols for good services".
CONTENTS
SAFETY INFORMATION ............................................2
1. SPECIFICATIONS........................................................3
2. EXPLODED VIEWS AND PARTS LIST.......................4
2.1 PACKING...............................................................4
2.2 EXTERIOR .............................................................6
2.5 CASSETTE MECHANISM ASSY..........................8
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...10
3.1 BLOCK DIAGRAM ..............................................10
3.2 OVERALL CONNECTION DIAGRAM.................12
3.3 KEYBOARD UNIT ...............................................14
3.4 CASSETTE MECHANISM ASSY........................16
4. PCB CONNECTION DIAGRAM ................................18
4.1 TUNER AMP UNIT .............................................18
4.2 KEYBOARD UNIT ..............................................22
4.3 CASSETTE MECHANISM ASSY........................24
5. ELECTRICAL PARTS LIST ........................................25
6. ADJUSTMENT..........................................................27
7. GENERAL INFORMATION .......................................28
7.1 DIAGNOSIS ........................................................28
7.1.1 DISASSEMBLY .........................................28
7.1.2 CONNECTOR FUNCTION DESCRIPTION ...29
7.2 PARTS .................................................................30
7.2.1 IC................................................................30
7.2.2 DISPLAY ....................................................35
7.3 OPERATIONAL FLOW CHART...........................36
7.4 CLEANING ..........................................................37
8. OPERATIONS ...........................................................38

10
1234
1234
F
E
D
C
B
A
KEH-3031/XM/EE
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
COM9V
2
39
N-L
8
GND
2
3
8
9
Q260
PHOTO TR
7
6
IC250
BA6219BFP-Y
MOTOR DRIVER
8
6
24
15
SUB_M+
SUB_M-
MOTOR+B
10
Q622
Q623
Q624
Q620
Q621
6
CASSETTE MECHANISM ASSY
M
MOTOR M
MOTOR
REEL PCB
C
10
9
8
5
4
3
2
HD1
M2
M1
MAIN
SUB
HEAD
1
2Q150
LPF
27
76
28
PLL
CF3
IC 1
1st IF 10.7MHz
2nd IF 450kHz
13 14 17 16 15 6 18 1012759112134
VC4
X1
10.26M
Q2
X2
CF1
D2
D1
L2
CF4
AM ANT IN GND AM Lo/Dx FM ANT IN FM/AM Vt FM Lo/Dx FM VCC FM/AM VSM FM/AM VCC N.C N.C
VC3
AM IFT2
AM IFT3
L5
VC1 L8 L9
L6 L7
VC2
Q3
VR2
GND
TP1
T1 FM DET
AM RF
Q1
AM OSC
FM RF
FM OSC
12457 10
46 45 35 3637
32
31
30
29
28
27
26
24
23
20
19
49
51
52
53
54
56
57
59
60
62
63
64
58
55
15 16
34
Q102
SW5V
IC150 LC72135M
1
IC200
HA12229F
EQ-AMP
6
9 16 1 20 14 13
15
7
SW5V
CN200
PHOTO DIODE
48
CN100
ANT.
TUNER AMP UNIT
FM/AM TUNER UNIT
A
OSC/MIX/IF AMP/AGC
DET/SNC/MRC/MPX
FM/AM OSC BUFF FM/AM S.D OUT FM ST IDN./MONO
FM/AM IF COUNT OUT
L OUT (AM AF) R OUT (AM AF)
FM/AM
IFT1
CN250
CF2

11
5678
F
E
D
C
B
A
5678
KEH-3031/XM/EE
1
3
56
SERVO SW
53
C-SUB M+
52
C-SUB M- SWVDD
38
5
MUTE
B.UP
18
B.UP
17
16
CN350
GND
LCH
Q351
Q350
Q500
SYSPW 58
Q615 B.U5VSW5V
22 6 20
MUTE VCC1 VCC2
4FL-
ACC
CN600
5
6
7
1
FL+
RL+
RL-
GND
Q603
Q602
B.U5V
Q501
B.U5V
Q606
Q607
Q604 COM9V
IC2
PST3434UL
RESET
B.U5V
1
2
IC600
TPD1018F
111
5
B.REM
Q600
Q601
10
6
27
76
60
39
69
70
66
59
65
28
Q800
B.U5V
2
8
CN800
DGND
ILLGND
ST
SD
SL
SW 5V
BSENS
B.REM
ASENS
RESET
3
SW5V
7
1
6
57
MOTOR SW
KEYBOARD UNIT
Q605
IC1 000974510
SYSTEM CONTROLLER
48 RHOTO_TR
IC300
PML010A
ELECTRONIC VOLUME
2
4
IN1L
IN3L
OUT_RL
OUT_FL
IC500
TDA7384
POWER AMP
15 IN RL
11 IN FL
4STBY
7
9
17
19
IC900
PD6340A
CN900
8
56 VDD
22
23
XO
XI
LCD KEY MATRIX
11
10
X2
X1
B
REAR OUT

12
+ +
+
+
22K R115
R01C104
100R102
470
R162
10/16C103
1R5KR113
1KR160
51KR156
330P
C159
330P C161
R01C102
4R7uHL102
470/10C101
R022C111
15P
C155
2R2K R154
DTA123YKA
Q615
1KR159
R01
C153
DTC124EK
Q100
GND6
FM/AM IF CONT
FM/AM DET OUT
470/10
C154
GND5
4R7uHL103
DTA123YKA
Q102
10KR157
180
R153
3R3K
R152
GND4
2R2K R114
15P
C156
10uH
L100
22KR125
R01C160
R01C121
R01
C152
111213141516171820 19
4R7uH
L151
2R2KR105
100R103
R022C120
7.2MHz
X150
1SS355
D100
R047C113
68mH
L101
10K R110
15K R121
15K R120
10K
R123
10K
R122
100KR124
0.01
C122
GND1
2R2K
R151
R47/50
C151
R0033
C105
R0033
C106
2SK536
Q150
10/16C158
ET100
+
10/16C615
12345678910 11 12 13 14 15 16 17 18
DSP-201M-A11F
DSP100
TU-RCH
TUNPCK TUNPDO TUNPCE
SL
TU-LCH
C-RCH
TU-RCH
TU-LCH
C-LCH
SD/ST
TUNPDI
AM ANT FM ANT GND AM LO/DX FM LO/DX FM/AM VCC FM VCC GND GND
NC
FM/AM Vt FM/AM OSC L OUT R OUT SD/ST FM/AM VSM
8V
5V
8V
XIN CE DI CLK DO NC
XOUT
VSS
NC NC NC
PD
VDD
NC
FM_IN
LO/DX
AM_IN
SEEK FM/AM
IF_IN
"CN101"
"AR100"
12345678910
22/16
C220
R1C216
R01
C212
R1
C206
16K
R201
R01C208
16K
R209
47K
R40
R033
C209
270K
R207
R1
C211
C205
1/50
C210
16K
R208
910
R206
470PC202470P
C204
R212
47KR214
10K
R220
R022
C217
1R2K
R205
18K
R204
123456789
10
11
12
13
14
15
16
17
18
19
20
212223242526272930
31
32
33
34
35
36
37
38
39
40
28
M-OUT(L) MEQOUT(L) Vref4 TAI(L) BIAS PBOUT(L)
MSGv(R)
MAOUT
MSI
MSDET
Vcc
MSOUT
F/R
SER/REP
120/70
MUTE
PBOUT(R)
RIP
TAI(R)
Vref3
MEQOUT(R)
M-OUT(R)
Vref2
RIN(L)
RIN(R)
FIN(R)
GND
+
47K
+
MSGv (S)
NF1
(L)
FIN
(L)
NF1
(R)
Vref
1
C-SUB M+
GND2
R01
16K
R202
470P
C201
CASSETTE IN SW
MAIN MOTOR-
MAIN MOTOR+
SUB MOTOR-
R047
R1
100
R250
R1
1
NC1
2
CD1
3
NC2
4
VR
5
NC3
6
IN1
7
GND1
8
IN2
9
NC4
10
47K
R211
VCC1
11
VCC2
12
NC5
13
CD2
14
NC6
15
OUT2
16
NC7
17
NC8
18
NC9
19
GND2
20
GND3
21
NC10
22
NC11
23
NC12
24
OUT1
25
NC13
26
GND4
27
GND5
R047
10
R251
MTZJ4R7A
470P
C203
47K
R213
MECHA
2PD601A
Q260
R1C260
11ES2D251
56K
R262
1/4W
3R3
R266
330
R260
68K
R261
GND7
HEAD R COM
R-R
HEAD L COM
N-L
N/R
R-L
SUB MOTOR+
MODE SW
PHOTO DIODE
PHOTO TR
DIGITAL GND
STBY
DAP202K
D803
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
GND7
1SS133
D800
2R2KR800
GND1
47K R803
2R2K
R802
1SS133
D801
2R2K
R801
DAN202K
D802
C-SUB M-
R01
C805
C252
1/2W10
R252
C254
R047
C253
1/2W
22K
R263
22K
R264
47K
R265
PHOTO_TR
MODE_SW
STBY
MOTOR+B
CASSETTE IN
2PD601A
Q623
HZS22L(1)
D620
2SA1706
Q622
IMD2A
Q624
SERVO_SW
2
4
5
6
2
6
5
4
DSENS
DGND
SW5V
NC
KYDT
DPDT
ILL+B
ILLGND
C250
C251
D250
+
VDT VST
R22C306
10P
C313
R1
C801
2R2K R805
R1C301
R22C305
10P C315
R22C303
TP1
R22C304
10PC316
GND2
+
10PC314
4R7uH
L300
10uHL800
22K R806
1/4W
4R7
R804
2PB709A
Q800
R1
C800
2R2K R807
1K
R23
1K
R24
1K
R25
1K
R22
1K
R20
1K
R21
4R7C3114R7C312
1234567891011121314
1516171819202122232425262728
10/16
C302
47/16C300
CASSETTE IN SW
CASSETTE IN
MODE SW
MODE SW
C-SUB M-
C-SUB M-
R32
1KR26 1KR27 1KR28
R31 R30 R29 1K
C-LCH
C-RCH
MSOUT
VDT 1K
R19 VDT
MUTE SW
F/R SER/REP MUTE
MUTE SW
MS MODE MS MODE(SER/REP)
DR SW DR SW(F/R)
MS IN MS IN
R18
R17
R16
R15 1K
1K
1K
1K
R01
C30
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
10
R210
18K
R203
1SS133
D201
R0033
C214
1
C207
DTC114YKA
Q621
10K
R620
1R8K
R621
1R5K
R622
1R8K
R623
2SA1706
Q620
MOTOR_SW
MOTOR+B
3
3
SW5V
VCK
MUTE
KYDT
DPDT
TUNPDI
TUNPDO
TUNPCK
TUNPCE
VST
VDT
SD/ST
SW5V
SWVDD
PHOTO TR C-SUB M+ SERVO SW MOTOR SW
SYSPW
B.REM
SWVDD
ILL+B DSENS
KYDT
DPDT
STBY
VREF IN1L AGND IN2L IN3L IN4+L IN4-L LOUDOUT_L SVIN_L OUT_FL OUT_RL NC DGND CLK
LOUDOUT_R
SVIN_R
OUT_FR
AGND
VCC
IN2R
IN4+R
IN4-R
IN3R IN1R
NC
STB
DATA
OUT_RR
ADPW
AVSS
MUTE
AVREF1
KYDT
DPDT
TUNPDI
TUNPDO
TUNPCK
TUNPCE
VST
VDT
SD
ST
VSS1
SW5V
SWVDD
STBY PCL PHOTO TR C-SUB M+ SERVO SW MOTOR SW SYSPW B.REM RESET
NC
DSENS
ASENS
BSENS
VSS0
VDD1
X2
X1
IC
TEST IN
VDD0
AVREFO
SL
MODEL
5V
1K 1K 1K
1
1
TUNER AMP UNIT
LC72135M
IC150
CN100 FM -20dBs
AM -18dBs
FM -3dBs
AM -0.5dBs
TAPE-4dBs
EQ-AMP
TU100
TUNER UNIT
PLL
ANT
LPF
HA12229F
IC200
CASSETTE MECHANISM ASSY
MOTOR
DRIVER
CN250
BA6219BFP-YIC250
CN900 CN800
KEYBOARD UNIT
E
V
F
A
T
PML010AIC300
SERVO MOTOR+B
SYSTEM CONTROLLER
000974510IC1
CN200
9
8
7
6
5
2
4
3
1
10 1
2
3
4
5
6
9
10
7
8
1
2
3
4
5
6
231
A
C
B
1234
1234
F
E
D
C
B
A
KEH-3031/XM/EE
3.2 OVERALL CONNECTION DIAGRAM
Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS
LIST”.
A

13
VDT VST
4
5
1 2 3
58 59 60
SYSPW
B.REM
CLK DATA
ADPW
SYSPW B.REM RESET
NC
DSENS
ASENS
BSENS
VSS0
VDD1
X2
X1
IC
TEST IN
VDD0
AVREFO
SL
MODEL
61
+
15P
C6
47K
R1
1K
R6
15P
C7
GND3
47KR5
2R2/50
C4
6R8KR2
R10
0
R7
TP2
4.194304MHz
X1
1SS355
D1
1
VOUT
2
VDD 3NC
4VSS
100K
R1
C21
10/16
C20
R8 47K
R01
C31
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
2R2KR11
RL
MUTE
RR
FR
FL
SYSPW
ASENS
BSENS
DSENS
SL
+
+
+
+
R47
C502
220
R503
R47
C500
R47
C501
10K
R501
R1
C512
GND2
2R2/50C351
2R2
C510
R47
C503
R0022
C352
15K
R502
IMD2AQ501
1
2
34
5
6
2R2
C509
R47
C505
DTC124EK
Q500
33/10
C511
820
R351
R47
C507
DAN202U
10/16
C508
2R2/50C350
R47
C506
R0022
C353
100
R504
47K
R353
DTA124EK
Q351
47K
R352
R47
C504
R1
C513
10K
R500
3
2
16
5
4
3 2 1
4 5 6
GND1
R001 C516 R001 C517 R001 C518 R001 C519
R001 C520 0.001 C521 R001 C522 R001 C523
IMH3A
Q350
1 2 34
5 6
+
820R350
1R5K
R505
RL+
FL+
FL-
RL-
FR+
FR-
RR-
RR+
RCH
GND
LCH
CEK1208
10A !
+ + +
+
+
1R5KR611
HZS7L(A1)
D603
22KR608
1K R604
R1
C603
R001
C602
11ES2
D600
R01
C607
R01
C606
2SD2396
Q604
10K
R607
2PD601A
Q601
100KR600
11ES2 D606
47/16
C605
2R2uH
L1
100KR603
10K R614
470/16
C608
GND1
3300/16
C600
R01C611
22K
R613
1R2K
R609
2PD601A
Q603
L600
D500
47K
R606
47K
R602
11ES2
D601
HZS6L(B2)L
D607
HZS7L(C2)
D602
HZS9L(A2)D609
R01C610
11ES2
D605
22K R605
270
R610
2PD601A
Q605
2PD601A
Q600
11ES2D604
47K R601
R047
C604
GND1
HZS9L(C1)
D608
R1
C601
1R8K R616 1R8K R615
100/10
C612
100/10C609
10K
R612
15P
C1
12345
689107
2SA2112
Q606 2SB1181F5
Q602
DTC114EK
Q607
FR- FR+ FL- FL+ RL+ RL- RR+ RR-
B.REM
FR
RR
FL
RL
BSENS
ASENS
ILL+B
IN GND GND GND DIAG
GND GND GND
OUT
VCC
GND FR- FR+ FL- FL+ RL+ RL- RR+ RR- ACC B_REM BU
600uH
56
11
3
1
87
10
4
9
16
15 14 13 12
2
5V
100R302
100R304
100R305
100R303
ELECTRONIC
VOLUME
FM -3dBs
AM 0dBs
TAPE-4dBs
FM -3.5dBs
AM -1dBs
TAPE-4.5dBs
CN600
TPD1018F
IC600
PST3434ULIC2
CN350
TDA7384IC500
REAR OUT
POWER AMP
SW14V COM9V BU5V
B.REM
ASENSE BSENSE
DC_CONNECTOR
RESET
MUTE
1
2
3
123456789101112131415161718
1
3
5
7
9
11
13
15
17
19
21
23
25
2
4
6
8
10
12
14
16
18
20
22
24
NOTE : Decimal points for resistor
and capacitor fixed values
are expressed as :
2.2 2R2
0.022 R022
←
←
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.
5678
F
E
D
C
B
A
5678
KEH-3031/XM/EE A

14
GND9
KEYBOARD UNIT
PD6340A
IC900
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
2R2
C901
R1
C900
47K
R903
470
RN901
470
RN900
4.97MHz
X900
LCD900 CZA5579
151015202530354042
SEG38 SEG37 SEG36 SEG35 SEG34 SEG33 SEG32 SEG31 SEG29 SEG28 SEG30 SEG22 SEG27 SEG25 SEG24 SEG23 SEG21 SEG26 SEG20
SEG19
SEG18
SEG17
SEG16
SEG14
SEG15
SEG13
SEG7
SEG9
SEG12
SEG8
SEG10
SEG11
SEG6
SEG5
SEG4 SEG3 SEG1 SEG2 COM3 COM0 COM2 COM1
KDT1 KDT0 KST0 KST1 KST2 KST3
COM0 COM1 COM3 SEG2 SEG1 SEG4 SEG3 SEG12 SEG6 SEG11 SEG5 SEG9 SEG10 SEG8 SEG7 SEG28 SEG20 SEG14 SEG27 SEG21 SEG25 SEG26 SEG24 SEG23 SEG13 SEG22 SEG17 SEG18 SEG16 SEG15 SEG34 SEG30 SEG31 SEG32 SEG33 SEG35 SEG37 SEG29 SEG36 SEG38 COM2 SEG19
SEG4 SEG3 SEG2 SEG1 SEG0 COM3 COM2 COM1 COM0 LCDB KST3 KST2 KST1 KST0 KDT0 KDT1
REM
DPDT
RST
KYDT
MODA
XO
XI
VSS
KDT2
KDT3
NC
SEG37
SEG39
SEG38
SEG36
KST4
SEG35 SEG34 SEG33 SEG32 SEG31 SEG30 SEG29 SEG28 SEG27 SEG26 SEG25 SEG24 SEG23 SEG22 SEG21 SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
VDD
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
B
1234
1234
F
E
D
C
B
A
KEH-3031/XM/EE
3.3 KEYBOARD UNIT
B

15
GND8
CN800
A
PL900-902 : CZE2950 14V 65mA
10R900
2R2KR902
2R2KR901
HZM6R2ZWA
D900
SW927
SW903
SW919
SW923
SW914
SW902
SW921
SW910
SW912
SW901
SW918
SW900
SW926
SW928
SW929
SW920SW907
SW916
SW905
SW924
SW931
SW922
SW917
SW909
SW904
SW915
SW925
SW911
SW906 SW913
SW908
SW930
CN900
1
2
3
4
5
6
7
8
PL902
PL901
PL900
KDT3
KDT2
KST4
KDT0
KDT1
KDT2
KST4
KDT3
KST0
KST1
KST2
KST3
DESNS
DGND
SW5V
NC
KYDT
DPDT
ILL+B
ILLGND
LOCAL
BTB
4
1
VOL-
AUDIO
BAND
6
2
SOURCE
LOUD
3
EJECT
CLOCK
5
VOL+
5678
F
E
D
C
B
A
5678
KEH-3031/XM/EE B

16
REEL PCB
1-0802-7004
M1
X-0802-7004
MAIN MOTOR ASSY
HD1
HEAD
FL
FR
RR
RL
2
3
6
7
8
9
5
4
CN200
CN250
Q1
S3
1-0801-7024
1-0802-7003
M2
X-0802-7002
5
10
1
1
2
3
4
6
HEAD COMMON-L
HEAD FWD L OUT
HEAD FWD R OUT
HEAD REV R OUT
HEAD REV L OUT
HEAD COMMON-R
TUNER AMP UNIT
PHOTO DIODE
PHOTO
SENSOR
PHOTO TR
SUB MOTOR+
SUB MOTOR-
MAIN MOTOR+
MAIN MOTOR-
CASSETTE IN SW
MODE SW
DIGITAL GND
STAND BY
POSITION SW
10
9
8
5
4
3
2
1
6
7
+
M
SUB MOTOR ASSY
M
+
S1
S2
1-0802-7010
1-0802-7009
A
C
1234
1234
F
E
D
C
B
A
KEH-3031/XM/EE
3.4 CASSETTE MECHANISM ASSY
C

34
1234
1234
F
E
D
C
B
A
KEH-1033/XM/EW
-Tuner Unit(CZW5536)
No. Symbol I/O
1 AM ANT IN I AM antenna input Hight impedance. Connect to the antenna through
an antenna circuit of receiver set.
2 FM ANT IN I FM antenna input 75Ω. Surge absober is necessary.
3 GND RF ground Ground for the antenna section.
4 AM Lo/Dx I AM local /distance Lo: 5V / Dx: open
5 FM Lo/Dx I FM local / distance Lo: ground / Dx: open
6 FM/AM VCC FM / AM power supply FM/AM section power supply. DC +8.2V
7 FM VCC FM power supply FM RF and band switch section power supply. DC +8.2V
8 GND FE ground Ground for the front end section.
9 GND FM IF/ AM ground Ground for the FM IF/AM section.
10 N.C Not used.
11 FM/AM Vt I Tuning voltage Connect to the PLL circuit.
12 FM/AM OSC BUFF O OSC buffer output Connect to the PLL circuit.
13 L OUT O L channel output FM stereo L-ch signal output or AM audio output.
14 R OUT O R channel output FM stereo R-ch signal output or AM audio output.
15 FM/AM SD OUT O Station detector High when signals are received. To be pulled up +5V at 100kΩ
FM ST IND/MONO Stereo indicator out ON when 16pin SD/IF request normal 0V(seek stop).
16 FM/AM VSM O Signal meter output Received FM/AM signal level (strength) output.
17 FM/AM IF COUNT OUT I/O IF count output ON when signals are received at seeking.
SD / IF request in
18 N.C Not used.
Explain