Pioneer FHP-404 Service manual

MULTI-CD/MD CONTROL TUNER CD DECK AMPLIFIER

FH-P404 UC

Se

r

vic

e

M

a

nu

a

l

FH-P404 ES

FH-P404/UC

PGM

ATT

DISPLAY CLOCK

ESC
BAND

AUDIO

TRK

/

SEEK DISC / CH

FUNCTION

SEL

DIRECT EQ

VOLUME

OFF

SOURCE

AF

D

S/A

165432

P

CD

EJECT

HIGH POWER 40Wx4

CD TUNER DECK AMPFH-P404

EJECT

AUTOMATIC CASSETTE LOADING & EJECTION

DOLBY B NR

PIONEER ELECTRONIC 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. 501 Orchard Road, #10-00, Lane Wheelock Place, Singapore 23880

C PIONEER ELECTRONIC CORPORATION 1998

ORDER NO.

CRT2247

CONTENTS

1. SAFETY INFORMATION ............................................2

2. EXPLODED VIEWS AND PARTS LIST.......................3

3. SCHEMATIC DIAGRAM ...........................................12

4. PCB CONNECTION DIAGRAM ................................38

5. ELECTRICAL PARTS LIST ........................................52

6. ADJUSTMENT..........................................................62

7. GENERAL INFORMATION .......................................68

7.1 PARTS .................................................................68

7.1.1 IC................................................................68

7.1.2 DISPLAY....................................................75

7.2 DISASSEMBLY ...................................................79

7.3 BLOCK DIAGRAM ..............................................80

8. OPERATIONS AND SPECIFICATIONS.....................82

- See the separate manual CX-597(CRT1829) for the CD mechanism description, disassembly and circuit
description.

- The CD mechanism employed in this model is one of S7 series.

- See the separate manual CX-631(CRT1640) for the cassette mechanism description, disassembly and

circuit description.

- The cassette mechanism employed in this model is one of 2L series.

- Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.

"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.

K-ZZB. AUG. 1998 Printed in Japan

2

FH-P404

- CD Player Service Precautions

1. For pickup unit(CXX1230) handling, please refer
to"Disassembly"(CX-597 Service Manual CRT1829).
During replacement, handling precautions shall be
taken to prevent an electrostatic discharge(protection
by a short pin).

2. During disassembly, be sure to turn the power off
since an internal IC might be destroyed when a con­nector is plugged or unplugged.

3. Please checking the grating after changing the ser­vice pickup unit(see page 66).

CAUTION

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.

W

ARNING

This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of
California to cause cancer, birth defects or other reproductive harm.
Health & Safety Code Section 25249.6 - Proposition 65

1. SAFETY INFORMATION

3

FH-P404

7

2

5

3

4

8

11

9

6

10

1

15

12

14

13

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING

4

FH-P404

- Owner’s Manual

Model Part No. Language
FH-P404/UC CRB1508 English

CRB1509 French

FH-P404/ES CRB1510 English

CRB1511 Spanish

Part No.

Mark No. Symbol and Description FH-P404/UC FH-P404/ES

1-1 Owner's Manual CRB1508 CRB1510
1-2 Owner's Manual CRB1509 CRB1511

6 Cover CEG1177 CEG1074
7 Carton CHG3516 CHG3515
8 Contain Box CHL3516 CHL3515

9 Cord Assy CDE5793 CDE5788

* 12 Card ARY1048 Not used

15 Panel CAH1543 Not used

(2) CONTRAST TABLE
FH-P404/UC and FH-P404/ES are constructed same except for the following:

- PACKING SECTION PARTS LIST

Mark No. Description Part No.

Mark No. Description Part No.

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.

1-1 Owner’s Manual

See Contrast table(2)

1-2 Owner’s Manual See Contrast table(2)

* 1-3 Polyethylene Bag E36-634

2 Screw Assy CEA1991

* 3 Polyethylene Bag CNM4338

4 Screw CRZ50P090FMC
5 Screw TRZ50P080FMC
6 Cover

See Contrast table(2)

7 Carton See Contrast table(2)
8 Contain Box See Contrast table(2)

9 Cord Assy See Contrast table(2)
10 Protector CHP2061
11 Protector CHP2062

* 12 Card

See Contrast table(2)

13 Battery CEX1030

14 Remote Control Unit CXB3456
15 Panel

See Contrast table(2)

FH-P404

5

2.2 EXTERIOR

6

FH-P404

1 Connector(CN401) CKS3568
2 Screw BSZ26P060FMC
3 Screw BSZ26P120FMC
4 Screw BSZ30P060FMC
5 Screw BSZ30P080FMC

6 Cable CDE5269
7 Remote Control Unit CXB3456
8 Cord Assy

See Contrast table(2)

9 Case CNB2311

10 Shield CNC8052

11 Spacer CNM5971
12 Heat Sink CNR1486
13 Screw ASZ26P055FUC
14 •••••
15 Holder CNC4963

16 Insulator CNM5770
17 Cover CNS4948
18 Screw ASZ26P080FMC
19 Screw BPZ26P080FMC
20 Cord(CN951) CDC1039

21 Antenna Cord(CN501) CDH1249
22 Pin Jack(CN251) CKB1028
23 Terminal(CN502) CKF1059
24 Terminal(CN503) CKF1059
25 Plug(CN901) CKM1278

26 Plug(CN281) CKS1242
27 Connector(CN101) CKS3408
28 Plug(CN801) CKS3540
29 Holder CNC7744
30 Holder CNC7746

31 Holder CNC7896
32 Clamper CNV1335
33 FM/AM Tuner Unit

See Contrast table(2)

34 Holder CNC6555
35 DD Converter Unit CWM6152

36 Plug(CN1801) CKS1614
37 Plug(CN1602) CKS1624
38 Connector(CN1601) CKS1963
39 Holder CNC7747
40 Chassis Unit CXB2552

41 Screw BPZ20P080FMC
42 Button(CD EJ)

See Contrast table(2)

43 Button(EJ) CAC5586
44 Button(TI,S/A,D) CAC5762
45 Button( ) CAC5597

46 Button(1-6)

See Contrast table(2)

47 Button(SOURCE) See Contrast table(2)
48 Button(VOL) See Contrast table(2)
49 Button(DIRECT,EQ) CAC5592
50 Button(A,F) CAC5593

51 Button CAC5594
52 Button(P) CAC5596
53 Door CAT1955
54 Spring CBH2211
55 Connector CDE5642

56 Cover CNM4369
57 Cushion CNM5757
58 Cushion CNM5758
59 Lighting Conductor CNV5596
60 Lighting Conductor CNV5595

61 Holder CNV5349
62 Switch Unit

See Contrast table(2)

63 Connector(CN1903) CKS2412
64 Socket(CN1901) CKS3553
65 FL Unit

See Contrast table(2)

66 Plate CAH1661
67 FL Tube(CN1902) CAW1482
68 Connector(CN1904) CKS2762
69 Tape CNM5759
70 Cord CDE5786

71 Grille Unit

See Contrast table(2)

72 Chassis Unit CXB2861
73 •••••
74 CD Mechanism Module CXK5004
75

Cassette Mechanism ModuleEXK3620

76-80 •••••

81 Fuse(10A) CEK1136
82 Cap CNS1472
83 Resistor RS1/2P102JL
84 Tuner Deck Amp Unit

See Contrast table(2)

85 •••••
86 Transistor(Q351,806) 2SD2396
87 •••••
88 Transistor(Q805) 2SB1566
89 IC(IC151) TDA7386

- EXTERIOR SECTION PARTS LIST
(1) PARTS LIST

Mark No. Description Part No.

Mark No. Description Part No.

7

FH-P404

Part No.

Mark No. Symbol and Description FH-P404/UC FH-P404/ES

8 Cord Assy CDE5793 CDE5788
33 FM/AM Tuner Unit CWE1417 CWE1485
42 Button(CD EJ) CAC5636 CAC5585
46 Button(1-6) CAC5598 CAC5589
47 Button(SOURCE) CAC5599 CAC5590

48 Button(VOL) CAC5600 CAC5591
62 Switch Unit CWM5887 CWM5884
65 FL Unit CWM5918 CWM5917
71 Grille Unit CXB2519 CXB2518
84 Tuner Deck Amp Unit CWM5886 CWM5883

(2) CONTRAST TABLE
FH-P404/UC and FH-P404/ES are constructed same except for the following:

8

FH-P404

2.3 CD MECHANISM MODULE

9

FH-P404

- CD MECHANISM MODULE SECTION PARTS LIST

1 Control Unit CWX2285
2 Pickup Unit(Service) CXX1230
3 Screw IMS26P035FMC
4 Screw BMZ20P025FMC
5 Screw BMZ20P040FMC

6 Screw BSZ20P040FMC
7 Screw CBA1077
8 Screw CBA1250
9 Screw CBA1455

10 Screw CBA1362

11 Spring CBH1724
12 Spring CBH1729
13 Spring CBH1730
14 Spring CBH1731
15 Spring CBH1732

16 Spring CBH1745
17 Spring CBH1848
18 Spring CBH1849
19 Spring CBH1939
20 Spring CBL1214

21 Roller CLA2627
22 Frame CNC5796
23 Bracket CNC5871

* 24 Bracket CNC6376

25 Cushion CNM3917

26 Sheet CNM4873
27 •••••
28 PCB CNP4230
29 Bearing CNR1415
30 Belt CNT1071

31 Damper CNV3974
32 Gear CNV4128
33 Gear CNV4129
34 Gear CNV4857
35 Gear CNV4131

36 Holder CNV4663
37 Holder CNV5071
38 Guide CNV4484
39 Screw Unit(S7) CXA8699
40 CRG Motor Unit(S7) CXB3043

41 Motor Unit CXA8912
42 Lever Unit CXA9300
43 Chassis Unit CXB2574
44 Screw JFZ20P025FMC
45 Connector(CN101) CKS1953

46 Connector(CN701) CKS2774
47 Connector(CN801) CKS2196
48 Spring CBH1832
49 Spring CBH1833
50 Roller CLA2627

51 Arm CNV4136
52 Arm Unit CXA8565
53 Bracket CNC6056
54 Load Motor Unit(S7) CXA8702
55 Screw JFZ20P025FMC

56 Arm CNV4120
57 Roller CNV4509
58 Gear Unit(S7) CXA8701
59 Screw CBA1296
60 Frame CNC5797

61 Damper CNV3974
62 Spring CBH1736
63 Spring CBH1863
64 Spring CBH1945
65 Spring CBL1269

66 Arm CNC5799
67 Lever CNC6054
68 Spacer CNM3315
69 Sheet CNM4849
70 Arm CNV5436

71 Arm CNV4123
72 Arm CNV4124
73 Arm CNV4125
74 Arm CNV4138
75 Arm CNV4139

76 Clamper CNV5308
77 Screw CBA1250
78 Connector(CN1) CDE4576
79 Arm CNC7383

* 80 Gathering PCB CNX2445

81 Photo-transistor(Q1, 2) CPT-230S-X
82 ELBO Arm Assy(S7) CXA8889
83 Load Motor Assy(S7) CXA8891
84 LO Arm Assy(S7) CXA8892
85 Shaft CLA3133

86 Guide Arm Assy(S7) CXB1850
87 Ball CNR1189

Mark No. Description Part No. Mark No. Description Part No.

10

FH-P404

2.4 CASSETTE MECHANISM MODULE

11

FH-P404

- CASSETTE MECHANISM MODULE SECTION PARTS LIST

1 Screw BSZ20P040FMC
2 Washer CBF1037
3 Washer CBF1038
4 Washer CBG1003
5 Deck Unit EWM1010

6 Screw EBA1028
7 Screw EBA1037
8 Spring EBH1531
9 Spring EBH1575

10 Plug(CN251) CKS3540

11 Spring EBH1515
12 Spring EBH1587
13 Spring EBH1517
14 Spring EBH1518
15 Spring EBH1519

16 Spring EBH1537
17 Cord EDD1020
18

Photo-interrupter(EGN2,3) EGN1006

19

Photo-interrupter(EGN1) EGN1005

20 Roller ENR1031

21 Shaft ELA1373
22 Pinch Roller ENV1518
23 Arm ENC1489
24 Arm ENC1397
25 Guide ENC1481

26 Holder ENC1417
27 Lever ENC1448
28 Arm ENC1488
29 Motor EXM1028
30 Belt ENT1027

31 Gear ENV1347
32 Collar ENV1508
33 Gear ENV1350
34 Flywheel ENV1410
35 Worm Gear ENV1439

36 Worm Wheel ENV1440
37 Gear ENR1028
38 Lever ENV1442
39 Arm ENV1445
40 Gathering PCB ENX1037

41 Gathering PCB ENX1042
42 Switch(S1,2) ESG1004
43 Motor Unit(M2) EXA1485
44 Chassis Unit EXA1511
45 Pinch Holder ENV1485

46 Pinch Holder ENV1486
47 Reel Unit EXA1537
48 Head Base Unit EXA1457
49 Lever Unit EXA1438
50 Gear Unit EXA1436

51 Frame Unit EXA1458
52 Lever Unit EXA1439
53 Head Assy(HD1) EXA1506
54 Motor Unit(M1) EXA1464
55 Washer HBF-179

56 Screw BMZ20P022FMC
57 Spring EBH1545
58 Washer YE20FUC
59 Pinch Holder Unit EXA1529
60 Pinch Holder Unit EXA1528

61 Spring EBH1533
62 Guide Unit EXA1409
63 Arm Unit EXA1487
64 Washer YE15FUC

Mark No. Description Part No. Mark No. Description Part No.

12

FH-P404

A

1

234

B

C

D

12

34

FM/AM TUNER UNIT

DD CONVERTER UNIT

B

D

C

/UC

/UC

/ES

/ES

A

A-a A-b

A-a

A-b

A-b

A-a

Large size

SCH diagram

Guide page

Detailed page

A-a

3. SCHEMATIC DIAGRAM

3.1 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)

Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS

LIST”.

13

FH-P404

5

6

7

8

A

B

C

D

5

6

7

8

A

A-b

TUNER DECK AMP UNIT

SWITCH UNIT

FL UNIT

A

G

H

FILAMENT POWER

/ES

/ES

14

FH-P404

A

1

234

B

C

D

12

34

FM/AM TUNER UNIT

B

/UC

/UC

/ES

/ES

A-a

A-b

A-a

15

FH-P404

5

6

7

8

A

B

C

D

5

6

7

8

SWIT

FL UN

DD CONVERTER UNIT

D

C

G

H

A-a

A-b

A-a

16

FH-P404

A

1

234

B

C

D

1

2

34

A-a

A-b

A-b

TUNER DECK AMP UNIT

A

17

FH-P404

5

6

7

8

A

B

C

D

5

6

7

8

A-a

A-b

A-b

SWITCH UNIT

FL UNIT

FILAMENT POWER

/ES

/ES

18

FH-P404

A

1

234

B

C

D

12

34

A

B

B

3.2 FM/AM TUNER UNIT

- FH-P404/UC

19

FH-P404

5

6

7

8

A

B

C

D

5

6

7

8

B

20

FH-P404

A

1

234

B

C

D

12

34

A

- FH-P404/ES

B

B

21

FH-P404

5

6

7

8

A

B

C

D

5

6

7

8

B

22

FH-P404

A

1

234

B

C

D

12

34

3.3 DD CONVERTER UNIT

A

CN901

I

C

23

FH-P404

5

6

7

8

A

B

C

D

5

6

7

8

A

C

DD CONVERTER UNIT

C

24

FH-P404

A

1

234

B

C

D

12

34

DECK UNIT

D

A

3.4 CASSETTE MECHANISM MODULE

D

CN401

25

FH-P404

5

6

7

8

A

B

C

D

5

6

7

8

PCB UNIT

REEL PCB

F

E

SWITCHES:
PCB UNIT

S1:LOAD SWITCH.........EJECT-PLAY

S2:70µs SWITCH.............ON-OFF

The underlined indicates the switch position.

D

E

F

26

FH-P404

A

1

234

B

C

D

12

34

3.5 SWITCH UNIT, FL UNIT

SWITCH UNIT

G

A

G

H

27

FH-P404

5

6

7

8

A

B

C

D

5

6

7

8

FL UNIT

H

G

H

28

FH-P404

A

1

234

B

C

D

12

34

I

J

3.6 CD MECHANISM MODULE(GUIDE PAGE)

A-a A-b

A-a

A-b

A-b

A-a

Large size

SCH diagram

Guide page

Detailed page

I-a

22/6R3

BA05SFP

CXA8912

CXB3043

CXA8702

I

J