Pioneer KEH-P2800 Support Question
Pioneer KEH-P2800 Support Question
Find answers below for this question about Pioneer KEH-P2800 - Radio / Cassette Player.Need a Pioneer KEH-P2800 manual? We have 1 online manual for this item!
Question posted by denisemcguirk on October 7th, 2015
Radio Display Not Working, Can See Them But No Light??
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Current Answers
Answer #1: Posted by TechSupport101 on October 7th, 2015 9:38 PM
TechSupport101
Member since:
May 24th, 2013 Points: 12,171,305
Member since:
May 24th, 2013 Points: 12,171,305
There is a service manual here http://elektrotanya.com/pioneer_keh-p2800_p3850_sm.pdf/download.html that should be of much help in isolating the cause of your display issue.
Related Pioneer KEH-P2800 Manual Pages
Service Manual - Page 1
... PARTS LIST 2 3. ADJUSTMENT 32
7. This service manual does not describe the CD test mode. 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. ELECTRICAL PARTS LIST 26 6.
CRT2268
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH FM/AM TUNER
KEH-P2800
KEH-P3850 X1M/ES
X1M/UC
NOTE: - SAFETY INFORMATION 2 2. Service...
Service Manual - Page 2
... the safety and reliability of California to a qualified service technician. SAFETY INFORMATION
CAUTION
This service manual is not meant for qualified service technicians; Proposition 65
2. KEH-P2800,P3850
1.
Service Manual - Page 3
... they are used CXB3520
- Owner's Manual, Installation Manual
Model
Part No. Language
KEH-P2800/X1M/UC
CRD2804 English,French,Spanish
CRD2805 English,French,Spanish
KEH-P3850/X1M/ES
CRD2801 English,Spanish,Portuguese(B)
CRD2802 Chinese,Arabic
CRD2803 English,Spanish,Portuguese(B),Chinese,Arabic
3 KEH-P2800,P3850
NOTE: - Screws adjacent to ∇ mark on the product are not...
Service Manual - Page 5
...
CAW1513 CKS3580 CNC8054 CNV5586 CNV5587
66 Holder
CNV5589
67 Lighting Conductor
CNV5752
68 Case Assy
CXB3520
69 Transistor(Q804)
2SD2396
70 Cassette Mechanism Assy EXK3450
71 Fuse(FU951)(10A) 72 IC(IC501) * 73 Cord
CEK1136 TDA7384 See Contrast table(2)
(2) CONTRAST TABLE KEH-P2800/X1M/UC and KEH-P3850/X1M/ES are constructed the same except...
Service Manual - Page 7
... 45 Gear
ENV1504 ENV1470 ENV1517 ENV1472 ENV1510
7 Description
1 Screw 2 Washer 3 Connector(CN1) 4 Screw(M2x5) 5 Screw(M2x2.5)
Part No. BSZ23P050FMC CBG1003 CKS2829 EBA1038 EBA1037
Mark No. KEH-P2800,P3850
-
Description
46 Gear 47 Gear 48 Gear 49 Gear 50 Lever
Part No. CASSETTE MECHANISM ASSY SECTION PARTS LIST
Mark No.
Service Manual - Page 8
A-a
Large size
A-a
A-b
SCH diagram
B FM/AM TUNER UNIT CWE1467(/UC) CWE1486(/ES)
A-a A-b Guide page
B
A-a
A-b Detailed page
220
C
D
CASSETTE
24dBs
PCB
D
8 AD
1
2
3
4 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". 1
2
3
4
KEH-P2800,P3850
3.
Service Manual - Page 18
...
A 4.1 TUNER AMP UNIT
NOTE FOR PCB DIAGRAMS 1. Viewpoint of PCB diagrams
Connector Capacitor
SIDE A
B
P.C.Board Chip Part
SIDE B
A TUNER AMP UNIT
3
4
CORD ASSY
C
D
A 18
C CN901
1
2
3
4 1
2
KEH-P2800,P3850
4.
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
Service Manual - Page 32
... 19
DC V Pin14 Meter(1)
L5
Pin13
FM/AM TUNER UNIT
VR154 T51
Pin1
FM/AM TUNER UNIT (BOTTOM VIEW)
T51
Center Meter
C63
32 ADJUSTMENT
- KEH-P2800,P3850
6.
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 ...2
ANT Coil 3
RF Coil 4
IFT
5
FM SSG
Frequency(MHz) Level(dBf)
98.1 M
60-100
98.1 M
5
98.1 M
5
98.1 M
5
Displayed Frequency(MHz)
108.0 98.1 98.1 98.1 98.1
Adjustment Point
L5 T51 L2 L4 T31
ARC
6
98.1 S
40
98.1
VR154
Adjustment Method (Switch Position) DC ...
Service Manual - Page 34
... 26 25
1 2 3 4 5 6 7 8 9 10 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...
Service Manual - Page 35
... C C
C
Function and Operation Not used A/D converter power GND Not used (Connect to VDD) Key data input Display data output Grille detach sense input PLL IC data input PLL IC data output PLL IC clock output PLL IC chip ... supply control output Not used Eject key input Tape loading input Cassette mechanism power output Mechanism mute input Normal reverse input Not used ...used
35 KEH-P2800,P3850
-
Service Manual - Page 36
... control reception Display data input Not used Key data output GND Crystal oscillator connection pin Crystal oscillator connection pin GND Key data input 2,3 Key strobe output 5,4 LCD segment output 39-13 5V LCD segment output 12-5
*PD6293A
48
33
32
49
17
64
16
1
36 Pin Functions (PD6293A)
Pin No. KEH-P2800,P3850...
Service Manual - Page 39
Remove the four screws. 2.Disconnect the connector, and then removing the
Cassette Mechanism Assy. -
Removing the three screws. Remove the Tuner Amp Unit. Removing the Cassette Mechanism Assy
(not shown) 1.
Removing the screw.
Remove the three screws. ...Removing the Tuner Amp Unit(Fig.2) Removing the two screws. 7.2 DISASSEMBLY
- KEH-P2800,P3850
Fig.1
Tuner Amp Unit
Fig.2
39
Service Manual - Page 41
... a 2 speaker system, connect to the supplied Installation manuals of ignition switch position. OPERATIONS AND SPECIFICATIONS
Connection Diagram
This Unit
Rear output Antenna jack
Multi-CD player (sold separately)
KEH-P2800,P3850
CAUTION
• Cords for this unit and those for connections when you have the separately available amplifier.
+ Rear
≠
+ Rear
≠
41...
Service Manual - Page 42
...vice versa. Remove the cassette tape. KEH-P2800,P3850
42
Key Finder
SOURCE button
Cassette door
Programmable button
!/⁄ buttons
CLOCK button
Eject button
LOUD button 5/∞/2/3 buttons
Using the Cassette Player
Basic Operation of Cassette Player
1. Insert the cassette tape.
+/- buttons
Buttons 1-6
DISPLAY button
BAND button
Detach button
AUDIO button
Function button...
Service Manual - Page 43
... appears on the display. ("STEREO" indicator lights when a stereo station is automatically canceled. Raise or lower the volume.
5.
Each press of Tuner
1. Hold for 1 second
Entering the Function Menu
In this menu you do not perform an operation within about 30 seconds, the Function Menu is selected.)
2.
KEH-P2800,P3850
43
Tuner Operation...
Service Manual - Page 44
...CD Players
This product can control a CD player (one or more multi-CD players. "READY" is displayed. • If the multi-CD player ...player source. Refer to the multi-CD player owner's manual.
2. Basic Operation of Multi-CD Players
1. Raise or lower the volume.
5. Turn the source OFF. Each press changes the Source ... Raise or lower the volume.
4.
KEH-P2800,P3850
44
Using CD Player...
Service Manual - Page 45
... to adjust. "BAL L9" - Bass/Treble Adjustment
This product is selected. The display shows "+6" -
Note: • "FAD 00" is the proper setting when 2 speakers are selected for the other Bass or Treble
Adjustment mode.
After adjustment use . 3. KEH-P2800,P3850
45
Audio Adjustment
Selecting the Mode
• Select the mode you to right. Select...
Service Manual - Page 46
Cassette player
Tape Compact cassette tape (C-30 - KEH-P2800,P3850
Specifications (KEH-P2800/X1M/UC)
Specifications (KEH-P3850...Hz) (Treble 12 dB (10 kHz) Loudness contour ........ +10 dB (100 Hz), +7 dB (10 kHz)
(volume: -30 dB)
Cassette player
Tape Compact cassette tape (C-30 - current consumption 8.5 A Dimensions
(DIN) (chassis) ...... 178 (W) × 50 (H) × 150 (D) mm [7 (W)...
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