Pioneer KEH-P7020RXN/EW 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
ORDER NO.
Service
Manual
SELECT
KEH-P7020R/XN/EW
CRT2817
MULTI-CD/DAB CONTROL HIGH POWER CASSETTE PLAYER WITH RDSTUNER
KEH-P7020R XN/EW
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYERWITH FM/AMTUNER
KEH-P7020R
This service manual should be used together with the following manual(s):
NOTE:
Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corpora-
tion.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
This service manual does not describe the CD test mode.
For the operations in the CD test mode, refer to the CD player's Service manual.
Extension cable of cassette mechanism : Jig No. GGD1121
Model No. Order No. Mech.Module Remarks
CX-1011 CRT2406 3L Cassette Mech. Module:Mech.Description, Disassembly, Adjustment
2000.printed in Japan
CONTENTS
1. SAFETY INFORMATION . . . . . . . . . . . . . . . . 3
2. EXPLODED VIEWS AND PARTS LIST. . . . . . . . . 4
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM . . 14
4. PCB CONNECTION DIAGRAM . . . . . . . . . . . 36
5. ELECTRICAL PARTS LIST . . . . . . . . . . . . . . 44
6. ADJUSTMENT . . . . . . . . . . . . . . . . . . . . 54
7. GENERAL INFORMATION . . . . . . . . . . . . . . 56
7.1 DIAGNOSIS . . . . . . . . . . . . . . . . . . . . 56
7.1.1 DISASSEMBRY . . . . . . . . . . . . . . . . 56
7.1.2 CONNECTOR FUNCTION DESCRIPTION . . 58
7.2 IC . . . . . . . . . . . . . . . . . . . . . . . . . 60
7.3 OPERATION FLOW CHART. . . . . . . . . . . . 66
7.4 CLEANING. . . . . . . . . . . . . . . . . . . . . 67
8. OPERATIONS AND SPECIFICATIONS. . . . . . . . 68
For details, refer to "Important symbols for good services".
KEH-P7025
XN/ES
K-ZZA. DEC.2001 Printed in Japan

KEH-P7020R
A
B
C
D
1234
1234
14
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM(KEH-P7020R/XN/EW)
Q153 Q151
Q402
Q155
Q501
IC 501
PM4009A
IC 101
HA12187FP
X501
RDS
DECODER
IP-BUS DRIVER
1211
20
8
87
MUTE
XOUT
XIN
PEE
24
40
SYSTEM CONTROLLER
IC 601(2/2)
PD5698B
CN401
VDD
VCC
ANT 1
2
BUS-
BU
BUS+
BUS+L
BUS-L
1
2
8
6
5TX
RX
IPPW
SWVDD
BU
BU
BU
Q852
TUNER AMP UNIT
13
X601
15
24
VDD
SWDACC
VST,V
C
TUN L
BUS+L
BUS-L
TAPE L
Q851
35
DPDT
36
KYDT
23
SYSPW
Q101
Q102
IC 851
NJM2360M
61
EJTIN 44
43
ILMPW
P
D
DS
E
41
DSENS
TEL
FUSE
200mA
2
1
CN451
MIC751
TEL
94
LVLINL
LEVEL IN
D
TC7SET08FU
IC 801
24
A
D
E
5
8
1
7
CN101
11
BUZZER
CN251
1
DIRO
LOADSW
POS
ES
SC2
55
58
59
61
63
BU
MSIN
65 SC1
RIMUTE
33
66
68 CM
STBY
RIMUTE
DIRO
POS
ES
SC2
SC1
CM
STBY
LOADSW
stby
B.U
MUTE
LOAD
5
1
4
2
1
3
11
9
20
19
DECK UNIT
IC251
HA12228F
IC351
PA2020A
EQ AMP
MECHANISM
DRIVER
CN251
CN252
CN254
CN255
CN253
6
16 MS
Lch
20
FWD
L-ch
REV
L-ch
37
36
39
18 19
17
315 6
8710
CN256 315 6
S1
LOAD
S2
MODE
EGN1
REEL
SENSE
M
M
M2
SUB
MOTOR
M1
MAIN
MOTOR
5
2
1
REEL SENSE PCB
6
5
17 f/R
15
13
13
11 POS
NES
18
17
16
15 SC1
CM
16
14 SC2
3
11
9
20
19
6
5
15
13
18
17
16
54
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
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
NC NC WC
26 RFGND

KEH-P7020R
A
B
C
D
5678
5678
15
5
19 LDET
48 FM/AM
52
12
1
TMUTE
BSENS
ASENS
NL2DT
VDD
BU
74
73
SD
SL
TUNPCE
TUNPCK
TUNPCE2
TUNPDO
ASENBO
10
FL 11
RL
87
MUTE
XOUT
XIN
ILB
SWVDD
OELB
ILB
SWDVDD
OELB
23
21
3
5
FL-
FL+
RL-
RL+
ACC
51
50
97
IN3-L
42
IN4+L
43
IN4-L
44
IN2-L
41
72
2
71
1
82
30 29 81
FLIN
14
RLIN
12
22 4
RESET
POWER AMP
IC 601(1/2)
PD5698B
L
LER
IC 203
PML009A
IC 961
S-80735ANDZI
IC 301
PAL007A
RESET
VDD
Q911
Q931
SYSPW
BU
TX
RX
TX RX IPPW
ELECTRONIC VOLUME/
SOURCE SELECTOR
BU
BU
STBYMUTE
IC 1901
PD5706A
OEL CONTROLLER/
KEY CONTROLLER
KEY MATRIX
9
11
8
KEY DATA
OEL DATA
VDD
14
CN801
CN1901
Q803
Q804
Q802
KEYBOARD UNIT
13
X601
15
2
ACC
VST,VCK,VDT
TUN L
BUS+L
BUS-L
TAPE L
DPDT 3
5
DPDT
KYDT
SYS+B BU
Q921
Q922
23
SYSPW
BU
Q301
MUTE
RL
Q351
PL
1
Q352
FL 5
Q353 FL
R L
12
PL
Q801
IC 851
NJM2360M
61
EJTIN 44
7
2
10
11
14
8
7
2
10
11
14
8
CN1850
CN1851
S1850
KYDT
4
2
5
10
8
IC 1902
PD8088A
FONT ROM
IC 1903
TSOP1840SB3V
REMOTE CONTROL SENSOR
OPT IN 3
1
5
Q1961
Q1962
ILMD
32
AMBER
GREEN
REM
27
28
DPDT
KTDT
EJECT
OEL UNIT
Q1941
4,16 2,8
3
ILMPW
MUTE
PL
FL
RL
Q1963
Q1964
Q1965
IC 631
PDH0046A
S801
DSENS
SYSTEM CONTROLLER
Q932
Q951
VDD
ISENS 83
TELIN 10
25
B.REMOTE
FL-
FL+
RL-
RL+
TEL 40 IN1-L
MIC751
13
MIC_IN
IC 1904
S-818A33AUC-BGN
3.3V REGULATOR
15
VDD REGULATOR
ILL SENSE
BACKUP SENSE
ACC SENSE
TELEPHONE MUTE
SYS+B REGULATOR
3
9
11
12
10
2
5
8
6
3
9
11
12
10
2
5
8
6
11
NJM4558MD
IC 132
57
94
LVLINL
1
SEL_OUT_L
LEVEL INDICATOR
TC7SET08FU
IC 801
24
PANEL UNIT
BC
CN901
Q982
B.U
CN351
CN352-1
CN352-2
NL1
SDBW
95
53 BACK UP
GND
RR
+
RR
-
FR
+
FR
-
FL
+
FL
-
RL
+
RL
-
ACC
GND
BACK
UP
B.
REM
FUSE
10A
ACC
ILL
TELMUTE
B.REM
ILL

KEH-P7020R
A
B
C
D
1234
1234
16
3.2 BLOCK DIAGRAM(KEH-P7025/XN/ES)
IC 101
HA12187FP
IP-BUS DRIVER
87
MUTE
XOUT
XIN
PEE
24
40
SYSTEM CONTROLLER
IC 601(2/2)
PD5698B
CN401
VDD
VCC
ANT 1
2
BUS-
BU
BUS+
BUS+L
BUS-L
1
2
8
6
5TX
RX
IPPW
SWVDD
BU
BU
BU
Q852
TUNER AMP UNIT
13
X601
15
SWDACC
VST,V
C
TUN L
BUS+L
BUS-L
TAPE L
Q851
35
DPDT
36
KYDT
23
SYSPW
Q101
Q102
IC 851
NJM2360M
61
EJTIN 44
43
ILMPW
DS
E
41
DSENS
MIC751
TC7SET08FU
IC 801
24
94
LVLINL
LEVEL IND
A
D
E
5
8
1
7
CN101
11
BUZZER
CN251
1
DIRO
LOADSW
POS
ES
SC2
55
58
59
61
63
BU
MSIN
65 SC1
RIMUTE
33
66
68 CM
STBY
RIMUTE
DIRO
POS
ES
SC2
SC1
CM
STBY
LOADSW
stby
B.U
MUTE
LOAD
5
1
4
2
1
3
11
9
20
19
DECK UNIT
IC251
HA12228F
IC351
PA2020A
EQ AMP
MECHANISM
DRIVER
CN251
CN252
CN254
CN255
CN253
6
16 MS
Lch
20
FWD
L-ch
REV
L-ch
37
36
39
18 19
17
315 6
8710
CN256 315 6
S1
LOAD
S2
MODE
EGN1
REEL
SENSE
M
M
M2
SUB
MOTOR
M1
MAIN
MOTOR
5
2
1
REEL SENSE PCB
6
5
17 f/R
15
13
13
11 POS
NES
18
17
16
15 SC1
CM
16
14 SC2
3
11
9
20
19
6
5
15
13
18
17
16
54
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
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
NC NC WC
26 RFGND

KEH-P7020R
A
B
C
D
5678
5678
17
12
1
BSENS
ASENS
VDD
BU
74
73
SD
SL
TUNPCE
TUNPCK
TUNPCE2
TUNPDO
ASENBO
10
FL 11
RL
87
MUTE
XOUT
XIN
ILB
SWVDD
OELB
ILB
SWDVDD
OELB
23
21
3
5
FL-
FL+
RL-
RL+
ACC
50
97
IN3-L
42
IN4+L
43
IN4-L
44
IN2-L
41
72
2
71
1
82
30 29 81
FLIN
14
RLIN
12
22 4
RESET
POWER AMP
IC 601(1/2)
PD5698B
L
LER
IC 203
PML009A
IC 961
S-80735ANDZI
IC 301
PAL007A
RESET
VDD
Q911
Q931
SYSPW
BU
TX
RX
TX RX IPPW
ELECTRONIC VOLUME/
SOURCE SELECTOR
BU
BU
STBYMUTE
IC 1901
PD5706A
OEL CONTROLLER/
KEY CONTROLLER
KEY MATRIX
9
11
8
KEY DATA
OEL DATA
VDD
14
CN801
CN1901
Q803
Q804
Q802
KEYBOARD UNIT
13
X601
15
2
ACC
VST,VCK,VDT
TUN L
BUS+L
BUS-L
TAPE L
DPDT 3
5
DPDT
KYDT
SYS+B BU
Q921
Q922
23
SYSPW
BU
Q301
MUTE
RL
Q351
PL
1
Q352
FL 5
Q353 FL
R L
12
PL
Q801
IC 851
NJM2360M
61
EJTIN 44
7
2
10
11
14
8
7
2
10
11
14
8
CN1850
CN1851
S1850
KYDT
4
2
5
10
8
IC 1902
PD8088A
FONT ROM
IC 1903
TSOP1840SB3V
REMOTE CONTROL SENSOR
OPT IN 3
1
5
GREEN
REM
27
28
DPDT
KTDT
EJECT
OEL UNIT
Q1941
4,16 2,8
3
ILMPW
MUTE
PL
FL
RL
S801
DSENS
SYSTEM CONTROLLER
Q932
Q951
VDD
ISENS 83
TELIN 10
25
B.REMOTE
FL-
FL+
RL-
RL+
MIC751
13
MIC_IN
IC 1904
S-818A33AUC-BGN
3.3V REGULATOR
15
VDD REGULATOR
ILL SENSE
BACKUP SENSE
ACC SENSE
TELEPHONE MUTE
SYS+B REGULATOR
3
9
11
12
10
2
5
8
6
3
9
11
12
10
2
5
8
6
11
C
PANEL UNIT
B
TC7SET08FU
IC 801
24
NJM4558MD
IC 132
57
94
LVLINL
1
SEL_OUT_L
LEVEL INDICATOR
CN901
Q982
B.U
CN351
CN352-1
CN352-2
BACK UP
GND
FUSE
10A
ACC
ILL
TELMUTE
B.REM

KEH-P7020R
A
B
C
D
1234
1234
18
3.3 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)(KEH-P7020R/XN/EW)
A-a
A-a A-b
A-a
A-a
A-b
A-b
A-b
A-b
A-a
A-a
Large size
SCH diagram
Guide page
Detailed page
A B
Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or
"ELECTRICAL PARTS LIST".
CN451
2
3
1
4
EJECT
PDH0046A
1K
47K
100K
NC
111098
765
4321
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.
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.
>
B
C
D
PANEL UNIT
KEYBOARD UNIT
CN1901
FM/AM TUNER UNIT
CN251 IP-BUS
IP-BUS
DRIVER
ELE
C
SOU
HANDSFREE
RDS DECODER
SYSTEM CONTROLLER
TEL
ANTENNA
JACK
0R0
0R0
FM(100%):-15.5dBs
AM(30%):-26.0dBs
TAPE:-11.2dBs
IP-BUS:+2.2dBs
FM: -16.5dBs
AM: -27.0dBs
IP-BUS: +2.2dBs
TAPE:-11.24dBs
NC
NR
RIMUTE
MSIN DIRO PLAY MTLSW LOADSW ES NC POS SC2 SC1 CM NC STBY NC

KEH-P7020R
A
B
C
D
5678
5678
19
A-b
A-a A-b
A-a A-b
A-b
A-a
A
600µH
10K(B)
1
2
4
3
2
1
4
3
6
5
8
7
10
9
12
11
14
13
16
15
RR
+
RR
-
FR
+
FR
-
FL
+
FL
-
RL
+
RL
-
ACC
GND
B.
REM
BACK
UP
RR+
RR-
FR+
FR-
FL+
FL-
RL+
RL-
ACC
GND
B.REM
BACK UP
TEL MUTE
2
1
4
3
6
5
8
7
10
9
12
11
14
13
16
15
ILL
ILL
FUSE 10A
CEK1136
NC
EMUTE
PAL007A
REAR
R CH
REAR
L CH
FRONT
L CH
L CH
R CH
FRONT
R CH
ATUNER AMP UNIT
ELECTRONIC VOLUME,
SOURCE SELECTOR
SYSTEM CONTROLLER
RESET
ASL
LEVEL INDICATOR
MUTE
MUTE
POWER AMP
DC/DC CONVERTER
TEL
BSENSE
ASENSE
ILL SENSE
>
PML009A
MUTE
MUTE
MUTE
VDD REGULATOR
SYS+B REGULATOR
0R0
0R0
FM: -16.5dBs
AM: -27.0dBs
B
US: +2.2dBs
A
PE:-11.24dBs
FM: +6.6dBs
AM: -1.9dBs
IP-BUS: +9.3dBs
TAPE:-4.14dBs
FM:+14.1dBs
AM: +0.6dBs
IP-BUS:+14.9dBs
TAPE:+1.36dBs
FM: +32.6dBs
AM: +24.1dBs
IP-BUS: +35.3dBs
TAPE:+21.86dBs
ES NC POS SC2 SC1 CM NC STBY NC NC
NC
NC
NC
NC
1R5K
1R5K

KEH-P7020R
A
B
C
D
1234
1234
20
A-a A-b A-a A-b
A-a A-b
1
CN451
PDH0046A
1K
47K
100K
111098
765
4321
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.
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.
>
D
N
IT
CN251 IP-BUS
IP-BUS
DRIVER
HANDSFREE
TEL
FM(100%):-15.5dBs
AM(30%):-26.0dBs
TAPE:-11.2dBs
IP-BUS:+2.2dBs
FM: -16.5dBs
AM: -27.0dBs
IP-BUS: +2.2dBs
TAPE:-11.24dBs

KEH-P7020R
A
B
C
D
5678
5678
21
A-a A-b A-a A-b
A-a A-b
B
2
2 3
1 4
EJECT
1K
47K
B
C
PANEL UNIT
KEYBOARD UNIT
CN1901
FM/AM TUNER UNIT
RDS DECODER
SYSTEM CONTR
O
ANTENNA
JACK
FM(100%):-15.5dBs
AM(30%):-26.0dBs
NC NR RIMUTE
MSIN
DIRO
PLAY
MTLSW
LOADSW
ES
NC
POS
SC2
SC1
CM
NC
STBY

KEH-P7020R
A
B
C
D
1234
1234
22
A-a A-b
A-b
1
10K(B)
1
2 4
3
U
TE
PAL007A
0R0
0R0
REAR R CH
REAR L CH
FRONT L CH
L CH
R CH
FRONT R CH
ATUNER AMP UNIT
ELECTRONIC VOLUME, SOURCE SELECTOR
RESET
ASL
LEVEL INDICATOR
MUTE
POWER AMP
PML009A
MUTE MUTE MUTE
FM: -16.5dBs
AM: -27.0dBs
P
-BUS: +2.2dBs
TAPE:-11.24dBs
FM: +6.6dBs
AM: -1.9dBs
IP-BUS: +9.3dBs
TAPE:-4.14dBs
FM:+14.1dBs
AM: +0.6dBs
IP-BUS:+14.9dBs
TAPE:+1.36dBs