Service |
KEH-1800/X1M/UC |
Manual |
ORDER NO. |
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|
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CRT2266 |
HIGH POWER CASSETTE PLAYER WITH FM/AM TUNER
KEH-1800 X1M/UC
KEH-1850 X1M/ES
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.
CONTENTS
1. |
SAFETY INFORMATION............................................ |
2 |
7. |
GENERAL INFORMATION....................................... |
34 |
|
2. |
EXPLODED VIEWS AND PARTS LIST ...................... |
2 |
|
7.1 |
PARTS ................................................................ |
34 |
3. |
SCHEMATIC DIAGRAM............................................. |
8 |
|
|
7.1.1 IC ............................................................... |
34 |
4. |
PCB CONNECTION DIAGRAM................................ |
18 |
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|
7.1.2 DISPLAY ................................................... |
38 |
5. |
ELECTRICAL PARTS LIST........................................ |
26 |
|
7.2 |
DISASSEMBLY .................................................. |
39 |
6. |
ADJUSTMENT ......................................................... |
32 |
|
7.3 |
BLOCK DIAGRAM ............................................. |
40 |
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8. |
OPERATIONS AND SPECIFICATIONS.................... |
41 |
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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
KEH-1800,1850
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 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.
WARNING
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
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
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18 |
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17 |
6 |
3 |
16 |
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7
4
12
5
9 2 
10
14 |
20 |
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1 |
15
11
13
2
KEH-1800,1850
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.
-PACKING SECTION PARTS LIST
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Part.No |
|
Mark No. Description |
KEH-1800/X1M/UC |
|
KEH-1850/X1M/ES |
||
|
1 |
Cord Assy |
CDE5805 |
|
CDE5805 |
|
2 |
Spring |
CBH1650 |
|
CBH1650 |
|
3 |
Screw Assy |
CEA2351 |
|
CEA2351 |
|
4 |
Screw |
CBA1304 |
|
CBA1304 |
* |
5 |
Polyethylene Bag |
CEG-127 |
|
CEG-127 |
|
6 |
Screw |
CRZ50P090FMC |
|
CRZ50P090FMC |
|
7 |
Screw |
TRZ50P080FMC |
|
TRZ50P080FMC |
* |
8 |
Polyethylene Bag |
CEG-158 |
|
CEG-158 |
|
9 |
Handle |
CNC5395 |
|
CNC5395 |
|
10 |
Bush |
CNV3930 |
|
CNV3930 |
|
11 |
Polyethylene Bag |
CEG1173 |
|
CEG-162 |
|
12 |
Carton |
CHG3624 |
|
CHG3625 |
|
13 |
Contain Box |
CHL3624 |
|
CHL3625 |
|
14 |
Protector |
CHP1622 |
|
CHP1622 |
|
15 |
Protector |
CHP1623 |
|
CHP1623 |
|
16 |
Owner’s Manual |
CRD2815 |
|
CRD2817 |
|
17 |
Owner’s Manual |
Not used |
|
CRD2818 |
|
18 |
Installation Manual |
CRD2816 |
|
CRD2819 |
* |
19 |
Card |
ARY1048 |
|
Not used |
|
20 |
Case Assy |
CXB3520 |
|
CXB3520 |
- Owner's Manual, Installation Manual
Model |
Part No. |
Language |
KEH-1800/X1M/UC |
CRD2815 |
English,French,Spanish |
|
CRD2816 |
English,French,Spanish |
KEH-1850/X1M/ES |
CRD2817 |
English,Spanish,Portuguese(B) |
|
CRD2818 |
Chinese,Arabic |
|
CRD2819 |
English,Spanish,Portuguese(B),Chinese,Arabic |
3
KEH-1800,1850
2.2 EXTERIOR
4
KEH-1800,1850
(1) EXTERIOR SECTION PARTS LIST
Mark No. Description |
Part No. |
|
Mark No. Description |
Part No. |
||
1 |
Screw |
BSZ26P050FMC |
36 |
Bracket |
CNC6135 |
|
2 |
Screw |
BSZ30P100FMC |
37 |
Bracket |
CNC6791 |
|
3 |
Cord Assy |
CDE5805 |
38 |
Arm |
CNV4692 |
|
4 |
Case |
CNB2481 |
39 |
Arm |
CNV4693 |
|
5 |
Panel |
CNS5214 |
40 |
Arm |
CNV4728 |
|
6 |
Screw |
BSZ30P055FUC |
41 |
Panel Unit |
CXB3715 |
|
7 |
Screw |
BSZ30P060FMC |
42 |
Door |
CAT2028 |
|
8 |
Screw |
BSZ30P100FMC |
43 |
Spring |
CBH1838 |
|
9 |
Holder |
CNC5704 |
44 |
Screw |
IMS20P030FZK |
|
10 |
Cushion |
CNM4870 |
45 |
Detach Grille Assy |
See Contrast table(2) |
|
11 |
Insulator |
CNM5025 |
46 |
Screw |
BPZ20P120FZK |
|
12 |
Tuner Amp Unit |
See Contrast table(2) |
47 |
Button(Detachable) |
CAC5868 |
|
13 |
Screw |
BPZ26P080FMC |
48 |
Button(Eject) |
CAC5870 |
|
14 |
Screw |
BSZ26P080FMC |
49 |
Button(REW) |
CAC5872 |
|
15 |
Screw |
BSZ26P140FMC |
50 |
Button(FF) |
CAC5874 |
|
16 |
FM/AM Tuner Unit |
See Contrast table(2) |
51 |
Button(F,A,Cross) |
CAC5876 |
|
17 |
Holder |
CNC6554 |
52 |
Button(-,-) |
CAC5878 |
|
18 |
Pin Jack(CN401) |
CKB1035 |
53 |
Button(1-6,D,B) |
CAC5985 |
|
19 |
Plug(CN601) |
CKM1270 |
54 |
Button(+,-) |
CAC5882 |
|
20 |
Connector(CN604) |
CKS3362 |
55 |
Button(SO/OFF,PGM) |
CAC5884 |
|
21 |
••••• |
|
56 |
Spring |
CBH1836 |
|
22 |
Connector(CN603) |
CKS3581 |
57 |
Spring |
CBH2103 |
|
23 |
Antenna Jack(CN301) |
CKX1056 |
58 |
Grille |
See Contrast table(2) |
|
24 |
Panel |
CNB2247 |
59 |
Cover |
CNS5209 |
|
25 |
Holder |
CNC5399 |
60 |
Keyboard Unit |
CWM6273 |
|
26 |
Holder |
CNC6216 |
61 |
LCD(LCD901) |
CAW1513 |
|
27 |
Heat Sink |
CNC6217 |
62 |
Connector(CN901) |
CKS3580 |
|
28 |
Holder |
CNC6531 |
63 |
Holder |
CNC8054 |
|
29 |
Holder |
CNC6845 |
64 |
Connector |
CNV5586 |
|
30 |
Chassis Unit |
CXA9851 |
65 |
Rubber |
CNV5587 |
|
31 |
Holder Unit |
CXB2687 |
66 |
Holder |
CNV5589 |
|
32 |
Button |
CAC4836 |
67 |
Lighting Conductor |
CNV5752 |
|
33 |
Spring |
CBH1834 |
68 |
Case Assy |
CXB3520 |
|
34 |
Spring |
CBH1835 |
69 |
Transistor(Q804) |
2SD2396 |
|
35 |
Spring |
CBH1996 |
70 |
Cassette Mechanism Assy |
EXK3450 |
|
|
|
|
71 |
Fuse(FU951)(10A) |
CEK1136 |
|
|
|
|
72 |
IC(IC501) |
TDA7384 |
|
|
|
|
|
* 73 Cord |
See Contrast table(2) |
|
(2) CONTRAST TABLE
KEH-1800/X1M/UC and KEH-1850/X1M/ES are constructed the same except for the following:
|
|
|
Part No. |
|
Mark |
No. |
Description |
KEH-1800/X1M/UC |
KEH-1850/X1M/ES |
|
12 |
Tuner Amp Unit |
CWM6352 |
CWM6277 |
|
16 |
FM/AM Tuner Unit |
CWE1467 |
CWE1486 |
|
45 |
Detach Grille Assy |
CXB3379 |
CXB3370 |
|
58 |
Grille |
CNS5207 |
CNS5208 |
* |
73 |
Cord |
CDC1043 |
Not used |
5
KEH-1800,1850
2.3 CASSETTE MECHANISM ASSY
6
KEH-1800,1850
- CASSETTE MECHANISM ASSY SECTION PARTS LIST
Mark No. Description |
Part No. |
|
Mark No. Description |
Part No. |
||
1 |
Screw |
BSZ23P050FMC |
46 |
Gear |
ENV1475 |
|
2 |
Washer |
CBG1003 |
47 |
Gear |
ENV1512 |
|
3 |
Connector(CN1) |
CKS2829 |
48 |
Gear |
ENV1513 |
|
4 |
Screw(M2x5) |
EBA1038 |
49 |
Gear |
ENV1502 |
|
5 |
Screw(M2x2.5) |
EBA1037 |
50 |
Lever |
ENV1480 |
|
6 |
Spring |
EBH1554 |
51 |
Lever |
ENV1487 |
|
7 |
Spring |
EBH1555 |
52 |
Pinch Holder Unit |
EXA1516 |
|
8 |
Spring |
EBH1556 |
53 |
Arm |
ENV1519 |
|
9 |
Spring |
EBH1603 |
* 54 |
PCB |
ENP1161 |
|
10 |
Spring |
EBH1591 |
55 |
Switch(Eject)(S4) |
ESG1006 |
|
11 |
Spring |
EBH1559 |
56 |
Switch(FWD)(REV)(S3) |
ESH1006 |
|
12 |
Spring |
EBH1593 |
57 |
Switch(Load)(S1) |
ESN1016 |
|
13 |
Spring |
EBH1561 |
58 |
Switch(Mute)(S2) |
ESN1017 |
|
14 |
Spring |
EBH1562 |
59 |
Head Assy(HD1) |
EXA1466 |
|
15 |
Spring |
EBH1563 |
60 |
Motor Unit(M1) |
EXA1467 |
|
16 |
Spring |
EBH1590 |
61 |
Flywheel Unit |
EXA1547 |
|
17 |
Spring |
EBH1565 |
62 |
••••• |
|
|
18 |
Spring |
EBH1566 |
63 |
Arm Unit |
EXA1447 |
|
19 |
Spring |
EBH1567 |
64 |
Arm Unit |
EXA1448 |
|
20 |
Spring |
EBH1568 |
65 |
Arm Unit |
EXA1550 |
|
21 |
Spring |
EBH1569 |
66 |
Reel Unit |
EXA1450 |
|
22 |
Spring |
EBH1571 |
67 |
Pinch Holder |
ENV1466 |
|
23 |
Spring |
EBH1579 |
68 |
Pinch Roller |
ENV1518 |
|
24 |
Head Base |
ENC1475 |
69 |
Pinch Holder |
ENV1467 |
|
25 |
Lever |
ENC1429 |
70 |
Pinch Holder Unit |
EXA1515 |
|
26 |
Lever |
ENC1430 |
71 |
Chassis Unit |
EXA1498 |
|
27 |
Lever |
ENC1431 |
72 |
Arm |
ENV1524 |
|
28 |
Lever |
ENC1432 |
73 |
Washer |
CBF-167 |
|
29 |
Arm |
ENC1433 |
74 |
Resistor(R1) |
RD1/4HM472J |
|
30 |
Arm |
ENC1434 |
75-78 |
••••• |
|
|
31 |
Arm |
ENC1480 |
79 |
Cover |
ENC1452 |
|
32 |
Arm |
ENC1476 |
80 |
••••• |
|
|
33 |
Bracket |
ENC1512 |
81 |
Spring |
EBH1592 |
|
34 |
Lever |
ENC1523 |
82 |
Washer |
CBF1051 |
|
35 |
Arm |
ENC1524 |
|
|
|
|
36 |
Frame |
ENC1440 |
|
|
|
|
37 |
Holder |
ENC1441 |
|
|
|
|
38 |
Lever |
ENC1446 |
|
|
|
|
39 |
Lever |
ENC1478 |
|
|
|
|
40 |
Belt |
ENT1027 |
|
|
|
|
41 |
Gear |
ENV1504 |
|
|
|
|
42 |
Gear |
ENV1470 |
|
|
|
|
43 |
Gear |
ENV1517 |
|
|
|
|
44 |
Lever |
ENV1472 |
|
|
|
|
45 |
Gear |
ENV1510 |
|
|
|
|
7
1 |
|
2 |
|
3 |
|
4 |
|
|
|
KEH-1800,1850
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”. |
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A-a |
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Large size |
B |
FM/AM TUNER UNIT |
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SCH diagram |
CWE1467(/UC) |
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|
A-a |
A-b |
|
CWE1486(/ES) |
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||
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A-a |
A-b |
Guide page |
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B |
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A-a |
A-b |
Detailed page |
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C |
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D |
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CASSETTE |
-24dBs |
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||
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PCB |
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D |
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8 |
A D |
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1 |
2 |
3 |
4 |
5 |
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6 |
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7 |
8 |
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KEH-1800,1850 |
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A |
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A-b |
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A TUNER AMP UNIT |
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B |
|
-25dBs |
TAPE:-4dBs |
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FM:+5dBs |
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AM:-1dBs |
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+22dBs |
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C |
PE5017B |
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B |
PGM |
ATT |
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D |
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C KEYBOARD UNIT |
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A C |
9 |
5 |
|
6 |
|
7 |
8 |
|
A
B
C
D
1 |
2 |
3 |
4 |
KEH-1800,1850
A-a A-b
CWE1486(/ES)
CWE1467(/UC)
B FM/AM TUNER UNIT
10 A-a
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
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KEH-1800,1850 |
|
PE5017B |
|
A-a A-b |
A
B
-24dBs
PCB
CASSETTE
D
A-a D 11
C
D
5 |
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6 |
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7 |
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8 |
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A
B
C
D
1 |
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2 |
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3 |
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4 |
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KEH-1800,1850
A-b |
|
A-a |
+22dBs |
A TUNER AMP UNIT
AM:-1dBs
FM:+5dBs
TAPE:-4dBs
-25dBs
12 A-b
1 |
2 |
3 |
4 |
5 |
|
6 |
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7 |
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8 |
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|||||
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KEH-1800,1850
A-a A-b
C KEYBOARD UNIT
A
B
PGM ATT
B
C
D
5017B
A-b C 13
5 |
6 |
7 |
8 |
1 |
|
2 |
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3 |
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4 |
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KEH-1800,1850
3.2 FM/AM TUNER UNIT
- CWE1467 (KEH-1800/X1M/UC)
A
B FM/AM TUNER
B
|
|
|
MA157 |
D1 RD39JS |
R1 |
2R2M |
D6 |
D2 RD39JS |
R2 |
2R2M |
|
C
1
2
3
D
14 B
1 |
2 |
3 |
4 |
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