Pioneer KEH-P6900R, KEH-P6910R Service Manual
PIONEER CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 1999
K-ZZS. NOV. 1999 Printed in Japan
ORDER NO.
CRT2429
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH RDS TUNER
KEH-P6900R
X1N/EW
KEH-P6900R/X1N/EW
- This service manual should be used together with the following manual(s):
Model No. Order No. Mech. Module Remarks
CX-1011 CRT2406 3L Cassette Mech. Module:Mech.Description, Disassembly, Adjustment
KEH-P6900R-B X1N/EW
KEH-P6910R X
1N/EE
NOTE:
- Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST.......................2
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...14
4. PCB CONNECTION DIAGRAM ................................40
5. ELECTRICAL PARTS LIST ........................................54
6. ADJUSTMENT..........................................................65
7. GENERAL INFORMATION .......................................66
7.1 DIAGNOSIS ........................................................66
7.1.1 TEST MODE ..............................................66
7.1.2 DISASSEMBLY .........................................69
7.2 PARTS .................................................................70
7.2.1 IC................................................................70
7.2.2 DISPLAY....................................................74
8. OPERATIONS AND SPECIFICATIONS.....................75
2
KEH-P6900R,P6900R-B,P6910R
1. SAFETY INFORMATION
This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.
Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair
complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.
If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so
and refer the repair to a qualified service technician.
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
14
8
5
4
6
3
2
7
11
12
13
1
9
- KEH-P6900R,P6900R-B
3
KEH-P6900R,P6900R-B,P6910R
1 Cord Assy CDE6118
2 Accessory Assy CEA1917
3 Screw CBA1304
4 Handle CNC5395
5 Bush CNV3930
* 6 Polyethylene Bag E36-615
7 Polyethylene Bag CEG-162
8 Case Assy CXB3520
9 Carton
See Contrast table(2)
10 Contain Box See Contrast table(2)
11 Protector CHP2251
12 Protector CHP2252
13 Inner Box CHW1754
14-1 Owner’s Manual CRD3106
14-2 Owner’s Manual CRD3107
14-3 Owner’s Manual CRD3108
14-4 Installation Manual CRD3109
* 14-5 Passport CRY1013
* 14-6 Warranty Card CRY1157
14-7 Polyethylene Bag CEG1116
Mark No. Description Part No. Mark No. Description Part No.
(1) PACKING SECTION PARTS LIST
NOTE:
- Parts marked by “*” are generally unavailable because they are not in our Master Spare Parts List.
- Screws adjacent to ∇ mark on the product are used for disassembly.
Part No.
Mark No. Symbol and Description KEH-P6900R/X1N/EW KEH-P6900R-B/X1N/EW
9 Carton CHG3942 CHG3946
10 Contain Box CHL3942 CHL3946
(2) CONTRAST TABLE
KEH-P6900R/X1N/EW and KEH-P6900R-B/X1N/EW are constructed the same except for the following:
- Owner's Manual, Installation Manual
Model Part No. Language
KEH-P6900R/X1N/EW CRD3106 English, Spanish
KEH-P6900R-B/X1N/EW CRD3107 French, German
CRD3108 Italian, Dutch
CRD3109 English, French, German,
Spanish, Italian, Dutch
4
KEH-P6900R,P6900R-B,P6910R
10
14
8
5
4
6
3
2
7
11
12
13
9
1
- KEH-P6910R
5
KEH-P6900R,P6900R-B,P6910R
Mark No. Description Part No. Mark No. Description Part No.
- PACKING SECTION PARTS LIST
1 Cord Assy CDE6120
2 Accessory Assy CEA1917
3 Screw CBA1304
4 Handle CNC5395
5 Bush CNV3930
* 6 Polyethylene Bag E36-615
7 Polyethylene Bag CEG-162
8 Case Assy CXB3520
9 Carton CHG3943
10 Contain Box CHL3943
11 Protector CHP2251
12 Protector CHP2252
13 Inner Box CHW1754
14-1 Owner’s Manual CRD3115
14-2 Installation Manual CRD3116
* 14-3 Warranty Card CRY1157
14-4 Polyethylene Bag CEG1116
- Owner's Manual, Installation Manual
Model Part No. Language
KEH-P6910R/X1N/EE CRD3115 English, Russian
CRD3116 English, Russian
6
KEH-P6900R,P6900R-B,P6910R
2.2 EXTERIOR
- KEH-P6900R,P6900R-B
7
KEH-P6900R,P6900R-B,P6910R
1 Screw BMZ30P040FZK
2 Screw BSZ26P050FMC
3 Screw BSZ30P050FMC
4 Screw BSZ30P200FMC
5 Cord CDE5801
6 Cord Assy CDE6118
7 Fuse(10A) CEK1136
8 Plug CKM1314
9 Case CNB2350
10 Holder CNC6798
11 Holder CNC8357
12 Spacer CNM4913
13 Insulator CNM6530
14 Panel CNS5992
15 Tuner Amp Unit
See Contrast table(2)
16 Screw BPZ26P060FMC
17 Screw BSZ26P060FMC
18 Screw BSZ26P160FMC
19 Clamper CEF1005
20 Pin Jack(CN301) CKB1028
21 Terminal(CN403) CKF1059
22 Plug(CN952) CKM1288
23 Connector(CN751) CKS3408
24 Plug(CN601) CKS3537
25 Connector(CN602) CKS3568
26 Connector(CN603) CKS3597
27 Antenna Jack(CN401) CKX1056
28 Panel CNB2356
29 Holder CNC6845
30 Holder CNC7533
31 Holder CNC7996
32 Insulator CNM5967
33 Heat Sink CNR1505
34 FM/AM Tuner Unit CWE1500
35 Holder CNC7532
36 Transistor(Q951) 2SD2396
37 Chassis Unit
See Contrast table(2)
38 Button(EJECT) CAC6327
39 Door CAT2109
40 Screw(M2x2) CBA1176
41 Washer CBF1038
42 Spring CBH1838
43 Spring CBH2310
44 Spring CBH2311
45 Spring CBH2312
46 Spring CBH2313
47 Spring CBL1492
48 Holder CNC8560
49 Cushion CNM5486
50 Panel CNS5728
51 Arm CNV5991
52 Arm CNV5992
53 Arm CNV5993
54 Lever CNV5994
55 Gear CNV5995
56 Gear CNV5996
57 Gear CNV5997
58 Pin CNV6027
59 Panel PCB Unit CWM6720
60 Socket(CN605) CKS3550
61 Connector(CN604) CKS4206
62 Damper Unit CXB5070
63 Holder Unit CXB5736
64 Holder Unit CXB5737
65 Screw IMS20P045FZK
66 Detach Grille Assy
See Contrast table(2)
67 Screw BPZ20P100FZK
68 Knob CAA1525
69 Button(SOURCE) CAC6331
70 Button(OPEN) CAC6333
71 Button(FUNC,AUDIO) CAC6337
72 Button(DISP,TA) CAC6339
73 Button(BAND) CAC6343
74 Spring CBH2316
75 Spring CBH2320
76 Cushion CNM6542
77 Spacer CNM6808
78 Cover CNS5737
79 Holder CNV6177
80 Keyboard Unit
See Contrast table(2)
81 LCD(LCD901) See Contrast table(2)
82 Connector(CN901) CKS4205
83 Holder CNC8562
84 Spacer CNM6710
85 Spacer CNM6711
86 Spacer CNM6733
87 Spacer CNM6734
88 Sheet
See Contrast table(2)
89 Connector CNV5990
90 Lighting Conductor CNV6001
91 Grille Unit
See Contrast table(2)
92 Knob Unit(VOL) CXB5350
93 Screw ISS26P055FUC
94 IC(IC301) PAL005A
95
Cassette Mechanism Module EXK4015
(1) EXTERIOR SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
8
KEH-P6900R,P6900R-B,P6910R
Part No.
Mark No. Symbol and Description KEH-P6900R/X1N/EW KEH-P6900R-B/X1N/EW
15 Tuner Amp Unit CWM6704 CWM6705
37 Chassis Unit CXB4684 CXB4828
66 Detach Grille Assy CXB5352 CXB5353
80 Keyboard Unit CWM6714 CWM6715
81 LCD(LCD901) CAW1566 CAW1596
88 Sheet Not used CNM6796
91 Grille Unit CXB5342 CXB5343
(2) CONTRAST TABLE
KEH-P6900R/X1N/EW and KEH-P6900R-B/X1N/EW are constructed the same except for the following:
9
KEH-P6900R,P6900R-B,P6910R
10
KEH-P6900R,P6900R-B,P6910R
- KEH-P6910R
11
KEH-P6900R,P6900R-B,P6910R
1 Screw BMZ30P040FZK
2 Screw BSZ26P050FMC
3 Screw BSZ30P050FMC
4 Screw BSZ30P200FMC
5 Cord Assy CDE6120
6 Fuse(10A) CEK1136
7 •••••
8 Screw ISS26P055FUC
9 Case CNB2350
10 Holder CNC6798
11 Holder CNC8357
12 Spacer CNM4913
13 Insulator CNM6530
14 Panel CNS5992
15 •••••
16 Tuner Amp Unit CWM6706
17 Screw BPZ26P060FMC
18 Screw BSZ26P060FMC
19 Screw BSZ26P160FMC
20 Pin Jack(CN301) CKB1028
21 Terminal(CN403) CKF1059
22 Plug(CN951) CKM1231
23 Connector(CN751) CKS3408
24 Plug(CN601) CKS3537
25 Connector(CN602) CKS3568
26 •••••
27 Antenna Jack(CN401) CKX1056
28 Panel CNB2360
29 Holder CNC6845
30 Holder CNC7533
31 Holder CNC7996
32 Insulator CNM5967
33 Heat Sink CNR1505
34 FM/AM Tuner Unit CWE1504
35 Holder CNC7532
36 •••••
37 •••••
38 Chassis Unit CXB4693
39 Button(EJECT) CAC6327
40 Door CAT2109
41 Screw(M2x2) CBA1176
42 Washer CBF1038
43 Spring CBH1838
44 Spring CBH2310
45 Spring CBH2311
46 Spring CBH2312
47 Spring CBH2313
48 Spring CBL1492
49 Holder CNC8560
50 Cushion CNM5486
51 Panel CNS5728
52 Arm CNV5991
53 Arm CNV5992
54 Arm CNV5993
55 Lever CNV5994
56 Gear CNV5995
57 Gear CNV5996
58 Gear CNV5997
59 Pin CNV6027
60 Panel PCB Unit CWM6720
61 Socket(CN605) CKS3550
62 Connector(CN604) CKS4206
63 Damper Unit CXB5070
64 Holder Unit CXB5736
65 Holder Unit CXB5737
66 Screw IMS20P045FZK
67 Detach Grille Assy CXB5355
68 Screw BPZ20P100FZK
69 Knob(EQ) CAA1525
70 Button(SOURCE) CAC6331
71 Button(OPEN) CAC6333
72 Button(FUNC,AUDIO) CAC6337
73 Button(DISP,TA) CAC6339
74 Button(BAND) CAC6343
75 Spring CBH2316
76 Spring CBH2320
77 Cushion CNM6542
78 Cover CNS5737
79 Holder CNV6177
80 Keyboard Unit CWM6715
81 LCD(LCD901) CAW1596
82 Connector(CN901) CKS4205
83 Holder CNC8562
84 Spacer CNM6710
85 Spacer CNM6711
86 Spacer CNM6733
87 Spacer CNM6734
88 •••••
89 Connector CNV5990
90 Lighting Conductor CNV6001
91 Grille Unit CXB5345
92 Knob Unit(VOL) CXB5350
93 IC(IC301) PAL005A
94 Transistor(Q951) 2SD2396
95
Cassette Mechanism ModuleEXK4015
96 Spacer CNM6808
- EXTERIOR SECTION PARTS LIST
Mark No. Description Part No.
Mark No. Description Part No.
12
KEH-P6900R,P6900R-B,P6910R
2.3 CASSETTE MECHANISM MODULE
13
KEH-P6900R,P6900R-B,P6910R
1 Screw BSZ20P040FMC
2 Washer CBF1037
3 Washer CBG1003
4 Screw EBA1028
5 Screw CBA1037
6 Spring EBH1531
7 Spring EBH1624
8 Spring EBH1625
9 Spring EBH1626
10 Spring EBH1627
11 Spring EBH1629
12 Cord EDD1024
13 Photo-reflector(EGN1) EGN1004
14 Arm ENC1526
15 Lever ENC1530
16 Lever ENC1531
17 Arm ENC1532
18 Frame ENC1533
19 Holder ENC1534
20 Gear ENC1535
21 Arm ENC1536
22 Roller ENR1040
23 Belt ENT1027
24 Collar ENV1508
25 Arm ENV1539
26 Arm ENV1540
27 Gear ENV1544
28 Gear ENV1547
29 Gear ENV1548
30 Worm Wheel ENV1550
31 Lever ENV1551
32 Flywheel ENV1554
33 Gathering PCB ENX1054
34 Switch(S1,S2,S3) ESG1007
35 Deck Unit EWM1024
36 Plug(CN251) CKS3540
37 Gathering PCB ENX1053
38 Motor Unit(M1) EXA1490
39 Motor EXM1027
40 Head Assy(HD1) EXA1589
41 Motor Unit(M2) EXA1580
42 Screw BMZ20P022FMC
43 Bracket ENC1528
44 Chassis Unit EXA1582
45 Pinch Holder Unit EXA1584
46 Pinch Roller ENV1518
47 Pinch Holder Unit EXA1583
48 Pinch Roller ENV1518
49 Reel Unit EXA1585
50 Head Base Unit EXA1586
51 Lever Unit EXA1587
52 Gear Unit EXA1588
53 Motor Unit(Service) EXX1055
54 Washer HBF-179
55 Screw CBA1250
56 Bracket ENC1542
57 Arm ENC1537
Mark No. Description Part No. Mark No. Description Part No.
- CASSETTE MECHANISM MODULE SECTION PARTS LIST
14
KEH-P6900R,P6900R-B,P6910R
1
23
4
1234
D
C
B
A
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
TUNER Lch
Q707
Q702
Q703
Q705
LDET
TMUTE
B.U
VDD
Q952
SYSPW
TMUTE
SYSPW
VDD
AVDD
45
51 82
19
SYSTEM
CONTROLLER
PE5083A
IC601(1/2)
TUN-L
TUN-L
ELECTRONIC VOLUME
PML003AM
IC201
11
10
2
5
6
4
BUS-L1
BUS-L2
TAPE-L
RL
FL
PEE
Q205
Q201
MUTE
MUTE
POWER AMP
PAL005A
IC301
12
14
MUTE
STBY
FL
RL
FL+
FL-
RL+
RL-
22 4
5
3
21
23
SYSPW
B.U
B.U
SYSPW
Q302
Q951
Q959
Q301
Q953
Q601
Q602
MUTE
8V
REGULATOR
RESET
IC604
S-80734AN
VCC
VDD
1
2
8
5
6
B.U
TX
TX
RX
RX
ASENBO
ASENBO
IP-BUS DRIVER
IC751
HA12187FP
BUSL+
BUSLBUSBUS+
Q751
Q752
8
1
5
11
7
86
85
47
100
33
11
1
2
92 93
16
15
42
65
55
64
MUTE
PEE
RESET
BSENS
ASENS
SWVDD
DPDT
KYDT
ILMPW
DSENS
ASEMBO
RIMUTE
STBY
MTL
LOADSW
X1
X2
TELIN
SYSTEM
CONTROLLER
IC601(2/2)
PE5083A
X601
Q954
BSENS
ASENS
ACC
FUSE
10A
TEL MUTE
Q611
B.U
STBY
B.U
MUTE
MTL
LOAD
69
44
25 95
96
46
VDD
Q957
Q958
ILMPW
DSENSE
Q609
SWVDD
VDD
SW5V
ILL1
KYDT
DPDT
SW5V
VDD SWITCH
5
1
4
2
1
3
4
11
9
20
19
8
3
4
11
9
20
19
8
7
2
11
8
1
8
13
A
TUNER AMP UNIT
E
DECK UNIT
212
11
10
10 5
6
8
LCD DRIVER
IC901
PD6279A
DPDT
KYDT
VDD
LCDB
XO
XI
REM
IN
REMOTE CONTROL
SENSOR
IC902
RS-140
X901
53
52
50
10
4
1
60
57
58
IC251
CXA2560Q
IC351
PA2020A
EQ
MOTOR
DRIVER
CN251
CN252
CN254
CN255
CN253
7
5
TAPE+B
Lch
17
18
FWD
L-ch
REV
L-ch
37
36
39
18
19
17
3
15 6
8
7
10
CN256
3
15 6
S1
LOAD
S2
MODE
EGN1
REEL
SENSE
M
M
M2
SUB
MOTOR
M1
MAIN
MOTOR
5
2
1
F
REEL SENSE PCB
CN602
CN751
IP-BUS
CN301
CN952
CN603
CN601
CN1901
VCK/VDT/VST
ACC
BACK UP
FL+
FL-
RLRL+
TEL MUTE
B.REMOTE
3
1
VCC
LOUT
RIMUTE
LDSW
MTL
STBY
B7
B5
B6
B8
A4
A7
KEY MATRIX
LCD
ANT1 TV
ANT2 TV
RF TV
IC 3
BR9010FV
AM 2ND IF 450kHz
CN401
B
FM/AM TUNER UNIT
28
FM FRONT END
Q3
Q201 Q204
AM RF
FM/AM 1ST IF 10.7MHz
T51 Q51 CF51 CF52 CF53
MIXER.IF AMP DET
IC 1
PML002A
38 39 42 44 46 63
32 19
46
6
21
18
LDET
COMP
34 33 41 44 11 12 13
69
70
54
78
65
71
75746157554533
35
22
2225 10 14 12 15 16 8 13 2 3 4
CF202
VDD
LOCL
VCC
Q401
VCC
VDDT
DI/DO
CE2CKCE1
SDBLSLFMSD
TUNPCE2
TUNPCK
TUNPCE
SDBW
SL
SD
PDIO
NL1
NL2
EEPROM
5
6
4
3
IC 2 PM4008A
FM MPX
25 24
NL
Q202
32
LDET
88
RDS
DECODER
IC 701
PM4009A
20
11 12
24
X701
Q701
VDD
fm/AM
FM/AM
1
78
NL
SD
SL
SDBW
TUNPCE
TUNPCK
TUNPCE2
LOCL
31
75
22
99
97
52
49
4
4
S3
70µS
S601
212
11
10
38
7
5
C
PANEL PCB UNIT
BZ601
ALARM
BUZZER
25
TUNPDI,O
94,98
ANTENNA
27
D
KEYBOARD UNIT
IC951
Q952
VDD
B.U
S-81250PGPD
VDDT
1
3
28
- KEH-P6900R,P6900R-B
15
KEH-P6900R,P6900R-B,P6910R
1
2
34
1
2
34
D
C
B
A
- KEH-P6910R
TUNER Lch
Q707
Q702
Q703
Q705
LDET
TMUTE
B.U
VDD
Q952
SYSPW
TMUTE
SYSPW
VDD
AVDD
45
51 82
19
SYSTEM
CONTROLLER
PE5083A
IC601(1/2)
TUN-L
TUN-L
ELECTRONIC VOLUME
PML003AM
IC201
11
10
2
5
6
4
BUS-L1
BUS-L2
TAPE-L
RL
FL
PEE
Q205
Q201
MUTE
MUTE
POWER AMP
PAL005A
IC301
11
15
MUTE
STBY
FL
RL
FL+
FL-
RL+
RL-
22 4
SYSPW
B.U
B.U
SYSPW
Q302
Q951
Q959
Q301
Q953
Q601
Q602
MUTE
8V
REGULATOR
RESET
IC604
S-80734AN
VCC
VDD
1
2
8
5
6
B.U
TX
TX
RX
RX
ASENBO
ASENBO
IP-BUS DRIVER
IC751
HA12187FP
BUSL+
BUSLBUS-
BUS+
Q751
Q752
8
1
5
11
7
86
85
47
100
33
11
1
2
92 93
16
15
65
55
64
MUTE
PEE
RESET
BSENS
ASENS
SWVDD
DPDT
KYDT
ILMPW
DSENS
ASEMBO
RIMUTE
STBY
MTL
LOADSW
X1
X2
SYSTEM
CONTROLLER
IC601(2/2)
PE5083A
X601
Q954
BSENS
ASENS
ACC
B.U
STBY
B.U
MUTE
MTL
LOAD
69
44
25 95
96
46
VDD
Q957
Q958
ILMPW
DSENSE
Q609
SWVDD
VDD
SW5V
ILL1
KYDT
DPDT
SW5V
VDD SWITCH
5
1
4
2
1
3
4
11
9
20
19
8
3
4
11
9
20
19
8
A
TUNER AMP UNIT
E
DECK UNIT
212
11
10
10 5
6
8
LCD DRIVER
IC901
PD6279A
DPDT
KYDT
VDD
LCDB
XO
XI
REM
IN
REMOTE CONTROL
SENSOR
IC902
RS-140
X901
53
52
50
10
4
1
60
57
58
IC251
CXA2560Q
IC351
PA2020A
EQ
MOTOR
DRIVER
CN251
CN252
CN254
CN255
CN253
7
5
TAPE+B
Lch
17
18
FWD
L-ch
REV
L-ch
37
36
39
18
19
17
3
15 6
8
7
10
CN256
3
15 6
S1
LOAD
S2
MODE
EGN1
REEL
SENSE
M
M
M2
SUB
MOTOR
M1
MAIN
MOTOR
5
2
1
F
REEL SENSE PCB
CN602
CN751
IP-BUS
CN301
CN601
CN1901
VCK/VDT/VST
VCC
LOUT
RIMUTE
LDSW
MTL
STBY
KEY MATRIX
LCD
ANT1 TV
ANT2 TV
RF TV
IC 3
BR9010FV
AM 2ND IF 450kHz
ANTENNA
CN401
B
FM/AM TUNER UNIT
28
FM FRONT END
Q3
Q201 Q204
AM RF
FM/AM 1ST IF 10.7MHz
T51 Q51 CF51 CF52 CF53
MIXER.IF AMP DET
IC 1
PML002A
38 39 42 44 46 63
32 19
46
6
21
18
LDET
COMP
34 33 41 44 11 12 13
69
70
54
78
65
71
75746157554533
35
22
2225 10 14 12 15 16 8 13 2 3 4
CF202
VDD
LOCL
VCC
Q401
VCC
VDDT
DI/DO
CE2CKCE1
SDBLSLFMSD
TUNPCE2
TUNPCK
TUNPCE
SDBW
SL
SD
PDIO
NL1
NL2
EEPROM
5
6
4
3
IC 2 PM4008A
FM MPX
25 24
NL
Q202
32
LDET
88
RDS
DECODER
IC 701
PM4009A
20
11 12
24
X701
Q701
VDD
fm/AM
FM/AM
1
78
NL
SD
SL
SDBW
TUNPCE
TUNPCK
TUNPCE2
TUNPDI,O
LOCL
31
75
22
99
97
52
94,98
49
4
4
S3
70µS
S601
212
11
10
38
7
5
C
PANEL PCB UNIT
BZ601
ALARM
BUZZER
9
7
19
17
FUSE
10A
11
9
5
8
10
14
CN951
ACC
BACK UP
FL+
FL-
RLRL+
B.REMOTE
3
25
11
9
5
8
10
14
3
27
D
KEYBOARD UNIT
Q952
VDD
B.U
S-81250PGPD
VDDT
1
3
28
16
KEH-P6900R,P6900R-B,P6910R
1
23
4
1234
D
C
B
A
3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)(KEH-P6900R)
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-b A-b
A-b A-b
A-a A-a
Large size
SCH diagram
Guide page
Detailed page
A
A-a
KEYBOARD
AM:-26dBs
FM:-26dBs
TAPE:-9dBs
ANTENNA
D
E F
B
D
17
KEH-P6900R,P6900R-B,P6910R
5
6
78
5
6
78
D
C
B
A
A-b
D
10A
PANEL
UNIT
PCB UNIT
TAPE:22.1dBs
AM:25.1dBs
FM:23.1dBs
CD:36.3dBs
TAPE:-8.9dBs
AM:-5.9dBs
FM:-7.9dBs
CD:5.3dBs
ELECTRONIC VOLUME
POWER AMP
ACC SENSE
ILM SENSE
BACKUP SENSE
RESET
8V REGULATOR
5V REGULATOR
A
C
CA
18
KEH-P6900R,P6900R-B,P6910R
1
23
4
1234
D
C
B
A
AM:-26dBs
FM:-26dBs
TAPE:-9dBs
ANTENNA
B
A-a
A-a
A-b
1
2
3
4
5
6
8
7
19
KEH-P6900R,P6900R-B,P6910R
5
6
78
5
6
78
D
C
B
A
PAN
KEYBOARD UNIT
PCB
C
D
E F
A-a
A-a
A-b
9
10
D
C
20
1
23
4
1234
D
C
B
A
10A
TAPE:22.1dBs
AM:25.1dBs
FM:23.1dBs
CD:36.3dBs
TAPE:-8.9dBs
AM:-5.9dBs
FM:-7.9dBs
CD:5.3dBs
ELECTRONIC VOLUME
POWER AMP
RESET
8V REGULATOR
5V REGULATOR
A
A-a
A-b
A-b
1
2
3
4
5
6
8
7
KEH-P6900R,P6900R-
21
5
6
78
5
6
78
D
C
B
A
PANEL
PCB UNIT
ACC SENSE
ILM SENSE
BACKUP SENSE
A-b
A-a
A-b
9
10
KEH-P6900R,P6900R-B,P6910R
C
22
KEH-P6900R,P6900R-B,P6910R
1
23
4
1234
D
C
B
A
3.3 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)(KEH-P6900R-B)
A
D
A-a
KEYBOARD
AM:-26dBs
FM:-26dBs
TAPE:-9dBs
ANTENNA
D
E F
B
23
KEH-P6900R,P6900R-B,P6910R
5
6
78
5
6
78
D
C
B
A
D
CA
A-b
10A
PANEL
UNIT
PCB UNIT
TAPE:22.1dBs
AM:25.1dBs
FM:23.1dBs
CD:36.3dBs
TAPE:-8.9dBs
AM:-5.9dBs
FM:-7.9dBs
CD:5.3dBs
ELECTRONIC VOLUME
POWER AMP
ACC SENSE
ILM SENSE
BACKUP SENSE
RESET
8V REGULATOR
5V REGULATOR
A
C
24
KEH-P6900R,P6900R-B,P6910R
1
23
4
1234
D
C
B
A
AM:-26dBs
FM:-26dBs
TAPE:-9dBs
ANTENNA
B
A-a
A-a
A-b
1
2
3
4
5
6
8
7
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