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 dmagdun on November 29th, 2010
Kehp2800/40wx4 Super Tuner 3
wiring out of back and what they go to
Current Answers
Related Pioneer KEH-P2800 Manual Pages
Service Manual - Page 1
CRT2268
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH FM/AM TUNER
KEH-P2800
KEH-P3850 X1M/ES
X1M/UC
NOTE: - This service manual does not describe the CD test mode. SAFETY INFORMATION 2 2. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. ...
Service Manual - Page 2
KEH-P2800,P3850
1. it is intended for the casual do so and refer the repair to properly and safely repair complex products such as those covered by ...
Service Manual - Page 3
.... - Owner's Manual, Installation Manual
Model
Part No. PACKING SECTION PARTS LIST
Mark No. Description 1 Cord Assy 2 Spring 3 Screw Assy 4 Screw
* 5 Polyethylene Bag
Part.No
KEH-P2800/X1M/UC
KEH-P3850/X1M/ES
CDE5805
CDE5805
CBH1650
CBH1650
CEA2351
CEA2351
CBA1304
CBA1304
CEG-127
CEG-127
6 Screw(x4) 7 Screw(x4) * 8 Polyethylene Bag 9 Handle(x2) 10...
Service Manual - Page 5
...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 for the following:
Mark No. 12 16 45 58
* 73
Description Tuner Amp Unit FM/AM Tuner...CAC4836 CBH1834 CBH1835 CBH1996
Mark No. KEH-P2800/X1M/UC
KEH-P3850/X1M/ES
CWM6276
CWM6349
CWE1467
...
Service Manual - Page 7
....
Description
46 Gear 47 Gear 48 Gear 49 Gear 50 Lever
Part No. Description
1 Screw 2 Washer 3 Connector(CN1) 4 Screw(M2x5) 5 Screw(M2x2.5)
Part No.
KEH-P2800,P3850
- CASSETTE MECHANISM ASSY SECTION PARTS LIST
Mark No. ENV1475 ENV1512 ENV1513 ENV1502 ENV1480
6 Spring 7 Spring 8 Spring 9 Spring 10 Spring
EBH1554 EBH1555 EBH1556 EBH1603 EBH1591
51 Lever...
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
1
2
3
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".
Service Manual - Page 18
...necessary parts for respective destinations, be sure to check with the schematic diagram. 2. For further information for several destination. 1
2
KEH-P2800,P3850
4. PCB CONNECTION DIAGRAM
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
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
KEH-P2800,P3850
6. 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
Pin26
Antenna
L4 T31
Pin 19
DC...
Service Manual - Page 33
... : Maximum (STEREO MODE) mV Meter(1) : Separation 5dB (STEREO MODE)
FM ADJUSTMENT(ES MODEL)
No. KEH-P2800,P3850
FM ADJUSTMENT
Modulation M:MONO MOD., 400Hz 30%(22.5kHz Dev.) or 400Hz 100%(75kHz Dev.) S:STEREO ...20.25kHz+7.5kHz Dev.)
NOTE:Before proceeding to further adjustments after switching power ON, let the tuner run for ten minutes to allow the circuits to stabilize. TUN Volt 1
IF
2
ANT...
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.
Service Manual - Page 35
...power control output AM power control output Slave power supply control output Not used Eject key input Tape loading input Cassette mechanism power output Mechanism mute input Normal reverse input Not used Reset input IP BUS data input Not used ... supply (VDD) (A/D converter standard voltage input) Signal level input Model select input Not used
35 KEH-P2800,P3850
- Pin Functions(PE5015A)
Pin No.
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 very liable to be damaged by electrostatic induction.
- Pin ...
Service Manual - Page 39
... connector, and then removing the
Cassette Mechanism Assy. - Panel Unit
- Removing the screw.
Removing the Panel Unit(Fig.1)
Disengage the stopper at four locations indicated by arrow until straight.
Unbend the tabs at two locations indicated
Remove the Panel Unit.
Removing the three screws. KEH-P2800,P3850
Fig.1
Tuner Amp Unit
Fig.2
39 Remove...
Service Manual - Page 41
... always supplied with RCA pin plugs (sold separately)
KEH-P2800,P3850
CAUTION
• Cords for this for other units may be different colors even if they have the same function.
8. OPERATIONS AND SPECIFICATIONS
Connection Diagram
This Unit
Rear output Antenna jack
Multi-CD player (sold separately)
Connecting cords with power regardless of both...
Service Manual - Page 42
... buttons
Buttons 1-6
DISPLAY button
BAND button
Detach button
AUDIO button
Function button
2.
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. Note: • The Tape function can be...
Service Manual - Page 43
... mode in with Manual Tuning.
Manual Tuning (step by changing the length of Tuner
1. Each press changes the Mode ... KEH-P2800,P3850
43
Tuner Operation
Basic Operation of the time you press the button.
FI = FII = FIII = AM
3. This product's tuner lets you do not perform an operation within about 30 seconds, the Function Menu...
Service Manual - Page 44
... only when a CD is loaded. • If the 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. Raise or lower the volume.
5.
KEH-P2800,P3850
44
Using CD Player (one disc only)
This product can control one disc...
Service Manual - Page 45
... right. "LOUD" Each press of the bass or treble, whichever is equipped with two tone adjustment modes, the Bass Adjustment and Treble Adjustment modes.
1. KEH-P2800,P3850
45
Audio Adjustment
Selecting the Mode
• Select the mode you to select a Fader/Balance setting that provides ideal listening conditions in use. 3.
"-6". 3. Loudness Adjustment
The...
Service Manual - Page 46
...Cassette player
Tape Compact cassette tape (C-30 - into 4 ohms. both channels driven 50 to improvements.
for C-60 Wow & 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...forward/rewinding time ...... KEH-P2800,P3850
Specifications (KEH-P2800/X1M/UC)
Specifications (KEH-P3850/X1M/ES)
...
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