Pioneer KEH-P6021R User manual

CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................3
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...12
4. PCB CONNECTION DIAGRAM ................................34
5. ELECTRICAL PARTS LIST ........................................42
6. ADJUSTMENT..........................................................48
7. GENERAL INFORMATION .......................................49
7.1 DIAGNOSIS ........................................................49
7.1.1 DISASSEMBLY ..............................................49
7.1.2 CONNECTOR FUNCTION DESCRIPTION ....50
7.2 PARTS .................................................................51
7.2.1 IC ....................................................................51
7.2.2 DISPLAY.........................................................57
7.3 OPERATIONAL FLOW CHART ..........................59
7.4 CLEANING .........................................................60
8. OPERATIONS AND SPECIFICATIONS.....................61
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-ZZS. NOV. 2001 Printed in Japan
ORDER NO.
CRT2804
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH RDS TUNER
KEH-P6021R XN/EE
Service
Manual
KEH-P6021R/XN/EE
-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-P6025 XN/ES
NOTE:
- 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.
For details, refer to "Important symbols for good services" on the next page.
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH FM/AM TUNER

2
KEH-P6021R,P6025
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.
[ Important symbols for good services ]
In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.
When you find the procedures bearing any of the symbols, be sure to fulfill them:
2. Adjustments
To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.
In accordance with the procedures or instructions described in this manual, adjustments should be performed.
3. Cleaning
For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,
proper cleaning should be performed to restore their performances.
5. Lubricants, glues, and replacement parts
Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the
prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used.
4. Shipping mode and shipping screws
To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.
1. Product safety
You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and
should keep the safety during servicing by following the safety instructions described in this manual.

-Owner's Manual, Installation Manual
Model Part No. Language
KEH-P6021R/XN/EE CRD3539 English, Russian
CRD3554
3
KEH-P6021R,P6025
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING(KEH-P6021R)
10
112
6
89
11
4
3
5
2
13
14
15
16
7
1 Cord Assy CDE6438
2 Screw CBA1002
3 Handle CNC5395
4 Bush CNV3930
* 5 Polyethylene Bag E36-615
6 Polyethylene Bag CEG-162
7-1 Polyethylene Bag CEG1116
7-2 Owner’s Manual CRD3539
7-3 Installation Manual CRD3554
* 7-4 Warranty Card CRY1157
8 Carton CHG4559
9 Contain Box CHL4559
10 Protector CHP2251
11 Protector CHP2252
12 Case Assy CXB3520
13 Screw BPZ20P060FZK
14 Accessory Assy CEA3062
15 Earth Plate CNC9450
16 Inner Box CHW1754
Mark No. Description Part No. Mark No. Description Part No.
-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.
-For the applying amount of lubricants or glue, follow the instructions in this manual.
( In the case of no amount instructions, apply as you think it appropriate.)

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KEH-P6021R,P6025
2.2 PACKING(KEH-P6025)
10
112
6
89
11
2
4
3
5
15
17
16
18
14
13
7
1 Cord Assy CDE6436
2 Bush CNV3930
3 Handle CNC5395
4 Spring CBH1650
* 5 Polyethylene Bag CEG-158
6 Polyethylene Bag CEG-162
7-1 Polyethylene Bag CEG1116
7-2 Owner’s Manual CRD3535
7-3 Owner’s Manual CRD3536
7-4 Installation Manual CRD3552
8 Carton CHG4558
9 Contain Box CHL4558
10 Protector CHP2251
11 Protector CHP2252
12 Case Assy CXB3520
* 13 Polyethylene Bag CEG-127
14 Remote Control Unit CXB8744
15 Screw TRZ50P080FMC
16 Screw CRZ50P090FMC
17 Screw CBA1002
* 18 Battery CEX1065
Mark No. Description Part No. Mark No. Description Part No.
-PACKING SECTION PARTS LIST

5
KEH-P6021R,P6025
-Owner's Manual, Installation Manual
Model Part No. Language
KEH-P6025/XN/ES CRD3535 English, Spanish, Portuguese(B), Chinese, Arabic
CRD3536
CRD3552

6
KEH-P6021R,P6025
A
B
C
23
27
2.3 EXTERIOR(KEH-P6021R)

7
KEH-P6021R,P6025
1 Screw BMZ30P040FZK
2 Screw BMZ30P100FMC
3 Screw BSZ26P050FMC
4 Screw BSZ30P060FMC
5 Cord Assy CDE6438
6 Fuse(10A) CEK1136
7 Case CNB2686
8 Holder CNC5704
9 Holder CNC8659
10 Cushion CNM4870
11 Insulator CNM6948
12 Panel CNS6934
13 Tuner Amp Unit CWM8021
14 Screw ASZ26P060FMC
15 Screw BPZ26P120FMC
16 Screw BSZ26P160FMC
17 Pin Jack(CN351) CKB1035
18 Plug(CN901) CKM1330
19 Connector(CN701) CKS3408
20 Plug(CN750) CKS3537
21 Connector(CN551) CKS3568
22 Antenna Jack(CN402) CKX1056
23 Holder(CN403) CNC5399
24 Holder CNC8615
25 Holder CNC9470
26 Insulator CNM6949
27 Heat Sink CNR1583
28 FM/AM Tuner Unit CWE1566
29 Holder CNC8815
30 Chassis Unit CXB6106
31 Button(EJECT) CAC6839
32 Door CAT2109
33 Screw(M2x2) CBA1176
34 Washer CBF1038
35 Washer CBF1039
36 Spring CBH1838
37 Spring CBH2428
38 Spring CBH2429
39 Spring CBL1512
40 Holder CNC9096
41 Panel CNS6280
42 Pin CNV6486
43 Gear CNV6507
44 Arm CNV6508
45 Panel Unit CWM7627
46 Socket(CN1950) CKS3550
47 Connector(CN1951) CKS4206
48 Damper Unit CXB5070
49 Holder Unit CXB6356
50 Holder Unit CXB6357
51 Clutch Unit CXB6358
52 Screw IMS20P045FZK
53 Detach Grille Assy CXB8414
54 Screw BPZ20P100FZK
55 Knob CAA2699
56 Button(SFEQ) CAC7221
57 Button(1-6) CAC7225
58 Button(OPEN) CAC7227
59 Button(EQ) CAC7231
60 Button(TA) CAC7232
61 Button(AUDIO) CAC7234
62 Button(FUNC) CAC7235
63 Button(DISP) CAC7236
64 Spring CBH2430
65 Spring CBH2431
66 Spring CBH2630
67 Spring CBL1470
68 Cover CNS6740
69 Holder CNV6505
70 Holder CNV6506
71 Keyboard Unit CWM8311
72 LCD CAW1627
73 Connector(CN1901) CKS4524
74 Holder CNC9053
75 Sheet CNM7647
76 Connector CNV6440
77 Lighting Conductor CNV6441
78 Sub Grille Assy CXB8623
79 •••••
80 •••••
81 Cassette Mechanism ModuleEXK4050
82 Screw ISS26P055FUC
83 IC(IC361) PAL007A
84 Transistor(Q910) 2SD2396
85 Cord Assy CDE6494
86 Clamper CEF1007
87 Connector(CN331) CKS3598
-EXTERIOR SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.

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KEH-P6021R,P6025
2.4 EXTERIOR(KEH-P6025)
A
B
C
27
23

9
KEH-P6021R,P6025
1 Screw BMZ30P040FZK
2 Screw BMZ30P100FMC
3 Screw BSZ26P050FMC
4 Screw BSZ30P060FMC
5 Cord Assy CDE6436
6 Fuse(10A) CEK1136
7 Case CNB2686
8 Holder CNC5704
9 Holder CNC8659
10 Cushion CNM4870
11 Insulator CNM6948
12 Panel CNS6935
13 Tuner Amp Unit CWM8020
14 Screw ASZ26P060FMC
15 Screw BPZ26P120FMC
16 Screw BSZ26P160FMC
17 Pin Jack(CN351) CKB1035
18 Plug(CN901) CKM1330
19 Connector(CN701) CKS3408
20 Plug(CN750) CKS3537
21 Connector(CN551) CKS3568
22 Antenna Jack(CN402) CKX1056
23 Holder(CN403) CNC5399
24 Holder CNC8615
25 Holder CNC9472
26 Insulator CNM6949
27 Heat Sink CNR1583
28 FM/AM Tuner Unit CWE1563
29 Holder CNC8815
30 Chassis Unit CXB6106
31 Button(EJECT) CAC6839
32 Door CAT2109
33 Screw(M2x2) CBA1176
34 Washer CBF1038
35 Washer CBF1039
36 Spring CBH1838
37 Spring CBH2428
38 Spring CBH2429
39 Spring CBL1512
40 Holder CNC9096
41 Panel CNS6280
42 Pin CNV6486
43 Gear CNV6507
44 Arm CNV6508
45 Panel Unit CWM7627
46 Socket(CN1950) CKS3550
47 Connector(CN1951) CKS4206
48 Damper Unit CXB5070
49 Holder Unit CXB6356
50 Holder Unit CXB6357
51 Clutch Unit CXB6358
52 Screw IMS20P045FZK
53 Detach Grille Assy CXB8411
54 Screw BPZ20P100FZK
55 Knob CAA2725
56 Button(SFEQ) CAC7221
57 Button(1-6) CAC7225
58 Button(OPEN) CAC7227
59 Button(EQ) CAC7231
60 Button(CLOCK) CAC7233
61 Button(AUDIO) CAC7234
62 Button(FUNC) CAC7235
63 Button(DISP) CAC7236
64 Spring CBH2430
65 Spring CBH2431
66 Spring CBH2630
67 Spring CBL1470
68 Cover CNS6740
69 Holder CNV6505
70 Holder CNV6506
71 Keyboard Unit CWM8313
72 LCD CAW1628
73 Connector(CN1901) CKS4524
74 Holder CNC9053
75 Sheet CNM7647
76 Connector CNV6440
77 Lighting Conductor CNV6441
78 Sub Grille Assy CXB8620
79 Remote Control Unit CXB8744
80 Cover CNS7068
81 Cassette Mechanism ModuleEXK4050
82 Screw ISS26P055FUC
83 IC(IC361) PAL007A
84 Transistor(Q910) 2SD2396
-EXTERIOR SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.

10
KEH-P6021R,P6025
2.5 CASSETTE MECHANISM MODULE
D
E
For grease application, refer to the service manual for CX-1011 (CRT2406).