Pioneer KEH-P2800 Service Manual
Pioneer KEH-P2800 - Radio / Cassette Player Manual
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- Pioneer KEH-P2800 | Service Manual - Page 1
Service KEH-P2800/X1M/UC Manual ORDER NO. CRT2268 MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH FM/AM TUNER KEH-P2800 KEH-P3850 X1M/ES X1M/UC NOTE: - See the separate manual CX-644(CRT1800) for the cassette mechanism description. - The cassette mechanism assy employed in this model is one of - Pioneer KEH-P2800 | Service Manual - Page 2
KEH-P2800,P3850 1. SAFETY INFORMATION 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 - Pioneer KEH-P2800 | Service Manual - Page 3
CHG3599 CHL3599 CHP1622 CHP1623 16 Owner's Manual 17 Owner's Manual 18 Installation Manual * 19 Card 20 Case Assy CRD2804 Not used CRD2805 ARY1048 CXB3520 CRD2801 CRD2802 CRD2803 Not used CXB3520 - Owner's Manual, Installation Manual Model Part No. Language KEH-P2800/X1M/UC CRD2804 English - Pioneer KEH-P2800 | Service Manual - Page 4
KEH-P2800,P3850 2.2 EXTERIOR 4 - Pioneer KEH-P2800 | Service Manual - Page 5
same except for the following: Mark No. 12 16 45 58 * 73 Description Tuner Amp Unit FM/AM Tuner Unit Detach Grille Assy Grille Cord Part No. KEH-P2800/X1M/UC KEH-P3850/X1M/ES CWM6276 CWM6349 CWE1467 CWE1486 CXB3369 CXB3375 CNS5200 CNS5201 CDC1043 Not used 5 - Pioneer KEH-P2800 | Service Manual - Page 6
KEH-P2800,P3850 2.3 CASSETTE MECHANISM ASSY 6 - Pioneer KEH-P2800 | Service Manual - Page 7
KEH-P2800,P3850 - CASSETTE MECHANISM ASSY SECTION PARTS LIST Mark No. Description 1 Screw 2 Washer 3 Connector(CN1) 4 Screw(M2x5) 5 Screw(M2x2.5) Part No. BSZ23P050FMC CBG1003 CKS2829 EBA1038 EBA1037 Mark No. Description 46 Gear 47 Gear 48 Gear 49 Gear 50 Lever Part No. ENV1475 ENV1512 ENV1513 - Pioneer KEH-P2800 | Service Manual - Page 8
4 KEH-P2800,P3850 3. SCHEMATIC DIAGRAM 3.1 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) A Note: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS LIST". A-a Large size A-a A-b SCH diagram B FM/AM TUNER UNIT CWE1467(/UC) CWE1486(/ES) A-a A-b Guide - Pioneer KEH-P2800 | Service Manual - Page 9
5 6 7 8 KEH-P2800,P3850 A A-b A TUNER AMP UNIT TAPE:-25dBs TAPE:-4dBs FM:+5dBs AM:-1dBs CD:+10dBs B TAPE:22dBs C B PGM D C KEYBOARD UNIT AC 9 5 6 7 8 - Pioneer KEH-P2800 | Service Manual - Page 10
4 3 2 1 10 A-a D B FM/AM TUNER UNIT CWE1467(/UC) CWE1486(/ES) C B A A-a A-b KEH-P2800,P3850 4 3 2 1 - Pioneer KEH-P2800 | Service Manual - Page 11
5 6 7 8 KEH-P2800,P3850 A 24dBs A-a A-b 220 B C D CASSETTE PCB D A-a D 11 5 6 7 8 - Pioneer KEH-P2800 | Service Manual - Page 12
4 3 2 1 12 A-b D A TUNER AMP UNIT TAPE:-25dBs TAPE:-4dBs FM:+5dBs AM:-1dBs CD:+10dBs C B A A-a A-b TAPE:22dBs KEH-P2800,P3850 4 3 2 1 - Pioneer KEH-P2800 | Service Manual - Page 13
5 6 7 8 KEH-P2800,P3850 A C KEYBOARD UNIT A-a A-b B PGM B C D A-b C 13 5 6 7 8 - Pioneer KEH-P2800 | Service Manual - Page 14
1 2 KEH-P2800,P3850 3.2 FM/AM TUNER UNIT - CWE1467 (KEH-P2800/X1M/UC) A 3 4 B FM/AM TUNER B D6 MA157 R1 2R2M D2 RD39JS D1 RD39JS R2 2R2M C 1 2 3 D B 14 1 2 3 4 - Pioneer KEH-P2800 | Service Manual - Page 15
5 6 A NER UNIT IFC 7 8 KEH-P2800,P3850 A B C D B 15 5 6 7 8 - Pioneer KEH-P2800 | Service Manual - Page 16
1 2 KEH-P2800,P3850 - CWE1486 (KEH-P3850/X1M/ES) A 3 4 B FM/AM TUNER B D6 MA157 R1 2R2M D2 RD39JS D1 RD39JS R2 2R2M C 1 2 3 D B 16 1 2 3 4 - Pioneer KEH-P2800 | Service Manual - Page 17
5 6 A NER UNIT IFC 7 8 KEH-P2800,P3850 A B C D B 17 5 6 7 8 - Pioneer KEH-P2800 | Service Manual - Page 18
KEH-P2800,P3850 4. PCB CONNECTION DIAGRAM A 4.1 TUNER AMP UNIT NOTE FOR PCB DIAGRAMS 1. The parts mounted on this PCB include all necessary parts for several destination. For further information for respective destinations, be sure to check with the schematic diagram. 2. Viewpoint of PCB diagrams - Pioneer KEH-P2800 | Service Manual - Page 19
5 6 7 8 KEH-P2800,P3850 IP-BUS SIDE A A B 3 2 1 D CN1 C B D A 19 5 6 7 8 - Pioneer KEH-P2800 | Service Manual - Page 20
1 2 3 4 KEH-P2800,P3850 A TUNER AMP UNIT A B C D A 20 1 2 3 4 - Pioneer KEH-P2800 | Service Manual - Page 21
5 6 7 8 KEH-P2800,P3850 SIDE B A B C D A 21 5 6 7 8 - Pioneer KEH-P2800 | Service Manual - Page 22
1 2 3 4 KEH-P2800,P3850 4.2 FM/AM TUNER UNIT A SIDE A B A C FM/AM TUNER UNIT B CORD CDC1043 (/UC Only) D T o Antenna Jack B 22 1 2 3 4 - Pioneer KEH-P2800 | Service Manual - Page 23
1 2 3 4 KEH-P2800,P3850 SIDE B A B C FM/AM TUNER UNIT B D B 23 1 2 3 4 - Pioneer KEH-P2800 | Service Manual - Page 24
A B C D 1 KEH-P2800,P3850 4.3 KEYBOARD UNIT C 24 1 C KEYBOARD UNIT SOURCE PGM VOL+ VOL- D 1 2 3 4 5 6 LOUD CLOCK F B A 2 2 SIDE A C KEYBOARD UNIT A CN603 3 3 4 SIDE B 4 - Pioneer KEH-P2800 | Service Manual - Page 25
1 2 4.4 CASSETTE MECHANISM ASSY D CASSETTE PCB RR FR FL RL HD1 FWD/REV PB HEAD R1 S4 EJECT SW S3 FWD/REV SW 3 4 KEH-P2800,P3850 A S1 LOAD SW D1 M1 MOTOR M CN1 13 579 S2 MUTE SW B 2 4 6 8 10 A CN604 C D D 25 1 2 3 4 - Pioneer KEH-P2800 | Service Manual - Page 26
RS1/_S___J,RS1/__S___J Chip Capacitor (except for CQS.....) CKS....., CCS....., CSZS..... =====Circuit Symbol and No.===Part Name Part No A Unit Number : CWM6276 (KEH-P2800/X1M/UC) Unit Number : CWM6349 (KEH-P3850/X1M/ES) Unit Name : Tuner Amp Unit MISCELLANEOUS IC 201 IC IC 301 IC IC 401 - Pioneer KEH-P2800 | Service Manual - Page 27
,P3850 =====Circuit Symbol and No.===Part Name R 326 R 328 R 332 R 333 R 334 R 335 R 336 R 338 R 339 R 340 R 341 R 342 R 343 R 344 R 345 R 346 R 349 R 350 (KEH-P2800/X1M/UC) (KEH-P3850/X1M/ES) R 351 R 352 R 353 R 354 R 355 R 401 R 402 R 403 R 404 R 405 R 406 R 407 R 408 R 409 R 410 R 411 R 412 - Pioneer KEH-P2800 | Service Manual - Page 28
KEH-P2800,P3850 =====Circuit Symbol and No.===Part Name C 307 C 308 C 309 (KEH-P3850/X1M/ES) C 311 C 313 C 314 C 315 C 316 C 317 C 318 C 319 905 C 906 CEAL100M16 CKSQYB104K16 CKSQYB102K50 CCSCH101J50 B Unit Number : CWE1467 (KEH-P2800/X1M/UC) Unit Name : FM/AM Tuner Unit MISCELLANEOUS IC 1 - Pioneer KEH-P2800 | Service Manual - Page 29
KEH-P2800,P3850 =====Circuit Symbol and No.===Part Name D 2 Diode D 4 Diode D 5 Diode D 6 Diode D 7 Diode C 59 C 60 C 61 C 62 C 63 C 101 C 102 C 103 C 104 C 105 Part No RS1/16S223J RS1/16S223J RS1/16S225J RS1/16S103J RS1/16S220J RS1/16S101J RS1/16S102J RS1/16S471J RS1/16S822J RS1 - Pioneer KEH-P2800 | Service Manual - Page 30
KEH-P2800,P3850 =====Circuit Symbol and No.===Part Name C 106 C 107 C 151 C 152 C 153 Part No CCSRCH151J50 CKSRYB103K25 CKSRYB472K50 CKSQYB104K16 CEJA3R3M50 C 154 C 157 C 158 C 159 C 160 CKSQYB104K16 CEJA3R3M50 CKSYB474K16 CEJA220M6R3 CKSQYB104K16 C 161 C 162 C 163 C 170 C 201 CKSQYB104K16 - Pioneer KEH-P2800 | Service Manual - Page 31
KEH-P2800,P3850 =====Circuit Symbol and No.===Part Name R 163 R 202 R 203 R 204 R 206 R 207 R 208 R 209 R 214 R 215 R 217 R 60 C 61 C 62 C 63 C 101 C 102 C 103 C 104 C 105 C 106 Part No RS1/16S223J RS1/16S223J RS1/16S225J RS1/16S103J RS1/16S220J RS1/16S101J RS1/16S102J RS1/16S471J RS1/ - Pioneer KEH-P2800 | Service Manual - Page 32
KEH-P2800,P3850 6. ADJUSTMENT - Connection Diagram TUNER AMP UNIT BACK UP ACC GND Lch + Lch - 4Ω Rch + Rch - 4Ω +14.4V DC Regulated GND P o w e r S u p p l y mV Meter (1) Oscilloscope Antenna Dummy Antenna 50Ω(37.5Ω) FM SSG 50Ω(75Ω) Stereo Modulator FM/AM TUNER UNIT (TOP VIEW) L2 - Pioneer KEH-P2800 | Service Manual - Page 33
KEH-P2800,P3850 FM ADJUSTMENT Modulation M:MONO MOD., 400Hz 30%(22.5kHz Dev.) or 400Hz 100%(75kHz Dev.) S:STEREO MOD., 1kHz, L or R=30%(20.25kHz+7.5kHz Dev.) NOTE:Before proceeding to further adjustments after switching power ON, let the tuner run for ten minutes - Pioneer KEH-P2800 | Service Manual - Page 34
11 12 13 14 15 16 17 18 19 20 21 22 23 24 Isolator Supply A Power Fader Volume, Loudness Treble Bass KEH-P2800,P3850 7. GENERAL INFORMATION 7.1 PARTS 7.1.1 IC SN761029DL AVcc IN1-L IN2-L IN3-L IN4(+)-L IN4(-)-L AGND SWout-L ZCin-L LOUD-L VRin-L TREB-L BASS-C1-L BASS-R-L BASS-C2-L NC TONEout - Pioneer KEH-P2800 | Service Manual - Page 35
KEH-P2800,P3850 - Pin Functions(PE5015A) Pin No. Pin Name I/O 1,2 NC 3 ADPW 4 GND 5,6 NC 7 AVREF1 8 KYDT I used Reset input IP BUS data input Not used Clock input ACC power sense input Back up power sense input SD input FM stereo input Power supply Oscillator output Oscillator input GND Not - Pioneer KEH-P2800 | Service Manual - Page 36
KEH-P2800,P3850 *PE5015A 80 1 61 60 20 21 41 40 Format C Meaning C MOS IC's marked by* are MOS type. Be careful in handling them because they - Pioneer KEH-P2800 | Service Manual - Page 37
PA4023B KEH-P2800,P3850 37 - Pioneer KEH-P2800 | Service Manual - Page 38
KEH-P2800,P3850 7.1.2 DISPLAY - CAW1513 38 SEGMENT COMMON - Pioneer KEH-P2800 | Service Manual - Page 39
at two locations indicated Remove the Panel Unit. Panel Unit - Removing the Tuner Amp Unit(Fig.2) Removing the two screws. Removing the three screws. Removing the screw. Unbend the tabs at four locations indicated by arrow until straight. Remove the Tuner Amp Unit. KEH-P2800,P3850 Fig.1 Tuner Amp - Pioneer KEH-P2800 | Service Manual - Page 40
KEH-P2800,P3850 7.3 EXPLANATION 7.3.1 BLOCK DIAGRAM - KEH-P2800/X1M/UC A B D C 40 - Pioneer KEH-P2800 | Service Manual - Page 41
Connection Diagram This Unit Rear output Antenna jack Multi-CD player KEH-P2800,P3850 CAUTION • Cords for this unit and those for other units may be different colors even if they have the same function. When connecting this unit to another unit, refer to the supplied Installation manuals - Pioneer KEH-P2800 | Service Manual - Page 42
KEH-P2800,P3850 42 Key Finder SOURCE button Cassette door Programmable button !/⁄ buttons CLOCK button Eject button LOUD button 5/∞/2/3 buttons B, or vice versa. Same Time 3. Raise or lower the volume. 4. Remove the cassette tape. Note: • The Tape function can be turned ON/OFF with the - Pioneer KEH-P2800 | Service Manual - Page 43
KEH-P2800,P3850 43 Tuner Operation Basic Operation of Tuner 1. Select Tuner. Each press changes the Source ... Frequency appears on the display. ("STEREO" indicator lights when a stereo in with the Seek Tuning function, tune in with Manual Tuning. Tuner Operation 4. Raise or lower the volume. - Pioneer KEH-P2800 | Service Manual - Page 44
turned ON or a new disc is selected for playback. "READY" is displayed. • If the multi-CD player cannot operate properly, an error message such as "ERROR 14" is displayed. Refer to the multi-CD player owner's manual. 2. Select the desired disc. 3. Reverse or advance track by track. 4. Raise or lower - Pioneer KEH-P2800 | Service Manual - Page 45
KEH-P2800,P3850 45 Audio Adjustment Selecting the Mode • Select the mode you want to adjust. Each press changes the Mode ... Each press of the AUDIO button selects the mode in the following order: Fader/Balance = Bass = Treble = Loudness When audio modes are selected for adjustment, the setting - Pioneer KEH-P2800 | Service Manual - Page 46
KEH-P2800,P3850 Specifications (KEH-P2800/X1M/UC) Specifications (KEH-P3850/X1M/ES) General Power source .......... 14.4 V DC (10.8 - 15.1 V allowable) flutter 0.13% (WRMS) Frequency response 40 - 14,000 Hz (±3 dB) Stereo separation 45 dB Signal-to-noise ratio 52 dB (IHF-A network) FM tuner
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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.
253 Alexandra Road, #04-01, Singapore 159936
C
PIONEER ELECTRONIC CORPORATION 1998
K-ZZB. DEC. 1998 Printed in Japan
ORDER NO.
CRT2268
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH FM/AM TUNER
KEH-P2800
X1M/UC
Service
Manual
KEH-P3850
X1M/ES
KEH-P2800/X1M/UC
NOTE:
-
See the separate manual CX-644(CRT1800) for the cassette mechanism description.
-
The cassette mechanism assy employed in this model is one of 2M series.
-
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.
CONTENTS
1.
SAFETY INFORMATION
............................................
2
2.
EXPLODED VIEWS AND PARTS LIST
......................
2
3.
SCHEMATIC DIAGRAM
.............................................
8
4.
PCB CONNECTION DIAGRAM
................................
18
5.
ELECTRICAL PARTS LIST
........................................
26
6. ADJUSTMENT
.........................................................
32
7.
GENERAL INFORMATION
.......................................
34
7.1 PARTS
................................................................
34
7.1.1 IC
...............................................................
34
7.1.2 DISPLAY
...................................................
38
7.2 DISASSEMBLY
..................................................
39
7.3
BLOCK DIAGRAM
.............................................
40
8.
OPERATIONS AND SPECIFICATIONS
....................
41