Pioneer KEH-1800 Service Manual Download

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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

PIONEER ELECTRONIC CORPORATION 1998

K-ZZB. DEC. 1998 Printed in Japan

ORDER NO.

CRT2265

HIGH POWER CASSETTE PLAYER WITH FM/MW/LW TUNER

KEH-1800

X1M/EW

Service
Manual

CONTENTS

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

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

3. SCHEMATIC DIAGRAM ...........................................10

4. PCB CONNECTION DIAGRAM................................18

5. ELECTRICAL PARTS LIST........................................26

6. ADJUSTMENT .........................................................31

7. GENERAL INFORMATION.......................................33

7.1 PARTS ................................................................33

7.1.1 IC ...............................................................33

7.1.2 DISPLAY ...................................................37

7.2 DISASSEMBLY ..................................................38

7.3 BLOCK DIAGRAM .............................................39

8. OPERATIONS AND SPECIFICATIONS ....................40

KEH-1830

X1M/EW

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.

KEH-1800/X1M/EW

Summary of Contents for KEH-1800

Page 1: ...n ORDER NO CRT2265 HIGH POWER CASSETTE PLAYER WITH FM MW LW TUNER KEH 1800 X1M EW Service Manual CONTENTS 1 SAFETY INFORMATION 2 2 EXPLODED VIEWS AND PARTS LIST 2 3 SCHEMATIC DIAGRAM 10 4 PCB CONNECTION DIAGRAM 18 5 ELECTRICAL PARTS LIST 26 6 ADJUSTMENT 31 7 GENERAL INFORMATION 33 7 1 PARTS 33 7 1 1 IC 33 7 1 2 DISPLAY 37 7 2 DISASSEMBLY 38 7 3 BLOCK DIAGRAM 39 8 OPERATIONS AND SPECIFICATIONS 40 K...

Page 2: ...ed 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 s...

Page 3: ...HP1623 12 Polyethylene Bag CEG 162 CEG 162 13 Case Assy CXB3520 CXB3520 14 Owner s Manual CRD2810 CRD2810 15 Owner s Manual CRD2811 CRD2811 16 Installation Manual CRD2812 CRD2812 17 Passport CRY1013 CRY1013 18 Warranty Card CRY1087 CRY1087 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 disassemb...

Page 4: ...4 KEH 1800 1830 2 2 EXTERIOR ...

Page 5: ...table 2 42 Door See Contrast table 2 43 Spring CBH1838 44 Panel See Contrast table 2 45 Screw IMS20P030FZK 46 Detach Grille Assy See Contrast table 2 47 Screw BPZ20P120FZK 48 Button Detachable See Contrast table 2 49 Button Eject See Contrast table 2 50 Button REW See Contrast table 2 51 Button FF See Contrast table 2 52 Button F A Cross See Contrast table 2 53 Button See Contrast table 2 54 Butto...

Page 6: ... CAT2028 CAT2037 44 Panel CNS5211 CNS5212 46 Detach Grille Assy CXB3377 CXB3378 48 Button Detachable CAC5868 CAC5869 49 Button Eject CAC5870 CAC5871 50 Button REW CAC5872 CAC5873 51 Button FF CAC5874 CAC5875 52 Button Cross A F CAC5876 CAC5877 53 Button CAC5878 CAC5879 54 Button D B 1 6 CAC5985 CAC5986 55 Button CAC5882 CAC5883 56 Button SO OFF PGM CAC5884 CAC5885 59 Grille CNS5204 CNS5205 60 Cove...

Page 7: ...7 KEH 1800 1830 ...

Page 8: ...8 KEH 1800 1830 2 3 CASSETTE MECHANISM ASSY ...

Page 9: ...C1446 39 Lever ENC1478 40 Belt ENT1027 41 Gear ENV1504 42 Gear ENV1470 43 Gear ENV1517 44 Lever ENV1472 45 Gear ENV1510 46 Gear ENV1475 47 Gear ENV1512 48 Gear ENV1513 49 Gear ENV1502 50 Lever ENV1480 51 Lever ENV1487 52 Pinch Holder Unit EXA1516 53 Arm ENV1519 54 PCB ENP1161 55 Switch Eject S4 ESG1006 56 Switch FWD REV S3 ESH1006 57 Switch Load S1 ESN1016 58 Switch Mute S2 ESN1017 59 Head Assy HD...

Page 10: ...ERALL CONNECTION DIAGRAM GUIDE PAGE Note When ordering service parts be sure to refer to EXPLODED VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST A a A b A a A b A b A a Large size SCH diagram Guide page Detailed page CASSETTE PCB FM AM TUNER UNIT TAPE 24dBs A a A B D D ...

Page 11: ...TUNER AMP UNIT KEYBOARD UNIT TAPE 25dBs TAPE 4dBs FM 9dBs MW LW 1dBs TAPE 22dBs CLOCK B LOUD PGM ATT GND RL RR FR FL RL FL FR RR ANT UP BACK ACC 11 KEH 1800 1830 5 6 7 8 A B C D 5 6 7 8 A A b A C C ...

Page 12: ...12 KEH 1800 1830 A 1 2 3 4 B C D 1 2 3 4 FM AM TUNER UNIT TA A a A a A b B ...

Page 13: ...13 KEH 1800 1830 5 6 7 8 A B C D 5 6 7 8 CASSETTE PCB TAPE 24dBs A a A a A b D D ...

Page 14: ...14 KEH 1800 1830 A 1 2 3 4 B C D 1 2 3 4 TUNER AMP UNIT TAPE 25dBs TAPE 4dBs FM 9dBs MW LW 1dBs TAPE 22dBs GND RL RR FR FL RL FL FR RR ANT UP BACK ACC A a A b A b A ...

Page 15: ...15 KEH 1800 1830 5 6 7 8 A B C D 5 6 7 8 KEYBOARD UNIT CLOCK B LOUD PGM ATT A b A a A b C C ...

Page 16: ...16 KEH 1800 1830 A 1 2 3 4 B C D 1 2 3 4 3 2 FM AM TUNER UNIT B 3 1 2 FM AM TUNE B ...

Page 17: ...17 KEH 1800 1830 5 6 7 8 A B C D 5 6 7 8 B TUNER UNIT A ...

Page 18: ... 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 Capacitor Connector P C Board Chip Part SIDE A SIDE B A C CORD ASSY ...

Page 19: ...19 KEH 1800 1830 5 6 7 8 A B C D 5 6 7 8 D A 2 1 3 IP BUS CN1 B SIDE A ...

Page 20: ...20 KEH 1800 1830 A 1 2 3 4 B C D 1 2 3 4 A A TUNER AMP UNIT ...

Page 21: ...21 KEH 1800 1830 5 6 7 8 A B C D 5 6 7 8 A SIDE B ...

Page 22: ...22 KEH 1800 1830 A 1 2 3 4 B C D 1 2 3 4 4 2 FM AM TUNER UNIT B SIDE A B A FM AM TUNER UNIT ...

Page 23: ...23 KEH 1800 1830 1 2 3 4 A B C D 1 2 3 4 B SIDE B B FM AM TUNER UNIT ...

Page 24: ...KEH 1800 1830 A 1 2 3 4 B C D 1 2 3 4 SOURCE PGM VOL VOL ATT 1 2 3 4 5 6 B A F LOUD CLOCK 4 3 KEYBOARD UNIT C C KEYBOARD UNIT 24 CN603 A SIDE B SIDE A C KEYBOARD UNIT ...

Page 25: ...1800 1830 1 2 3 4 A B C D 1 2 3 4 D D CASSETTE PCB 4 4 CASSETTE MECHANISM ASSY 1 3 5 7 9 2 4 6 8 10 CN1 S3 FWD REV SW S4 EJECT SW R1 S2 MUTE SW D1 S1 LOAD SW M M1 MOTOR RR FR FL RL FWD REV PB HEAD HD1 CN604 A ...

Page 26: ... being not supplied The part numbers shown below indicate chip components Chip Resistor RS1 _S___J RS1 __S___J Chip Capacitor except for CQS CKS CCS CSZS Unit Number CWM6351 Unit Name Tuner Amp Unit MISCELLANEOUS IC 201 IC LA3161P IC 301 IC PM2006A IC 401 IC SN761029DL IC 501 IC TDA7384 IC 601 IC PE5017B IC 602 IC S 80734AN IC 801 IC TPD1018F Q 301 Transistor 2SC1740S Q 501 Transistor DTC124ES Q 5...

Page 27: ...J R 812 RS1 10S103J R 813 RS1 10S102J R 814 RS1 10S473J R 816 RS1 10S472J R 817 RS1 10S223J R 818 RS1 10S222J R 819 RS1 10S472J R 820 RD1 4PU102J R 821 RD1 4PU1R5J R 822 RD1 4PU1R5J R 823 RD1 4PU1R0J R 824 RS1 10S103J R 825 RS1 10S103J CAPACITORS C 201 CKSQYB681K50 C 202 CKSQYB681K50 C 203 CEJA2R2M50 C 204 CEJA2R2M50 C 205 CKSQYB333K50 C 206 CKSQYB333K50 C 207 CEJA101M10 C 208 CEJA101M10 C 209 CEJ...

Page 28: ...913 RS1 10S0R0J R 915 RS1 10S0R0J CAPACITORS C 901 CEAL100M16 C 904 CKSQYB104K16 C 905 CKSQYB102K50 C 906 CCSCH101J50 Unit Number CWM6275 KEH 1830 X1M EW Unit Name Keyboard Unit MISCELLANEOUS IC 901 IC PD6293A D 901 Diode STZ6R2N L 901 Ferri Inductor LAU101K X 901 Ceramic Resonator 4 97MHz CSS1422 IL 901 Lamp 8V 100mA CEL1479 IL 902 Lamp 8V 100mA CEL1479 IL 903 Lamp 8V 100mA CEL1479 IL 904 Lamp 8V...

Page 29: ...6S563J R 162 RS1 16S105J R 163 RS1 16S222J R 202 RS1 16S223J R 203 RS1 16S225J R 204 RS1 16S103J R 206 RS1 16S220J R 207 RS1 16S101J R 208 RS1 16S102J R 209 RS1 16S471J R 214 RS1 16S822J R 215 RS1 16S822J R 217 RS1 16S102J R 231 RS1 16S272J R 232 RS1 16S473J R 237 RS1 16S103J R 238 RS1 16S104J R 239 RS1 16S104J R 240 RS1 16S332J R 241 RS1 16S202J R 243 RS1 16S123J R 244 RS1 16S103J R 247 RS1 16S12...

Page 30: ...4K16 C 234 CEJA330M10 C 235 CKSRYB332K50 C 236 CKSQYB473K16 C 237 CCSRCH120J50 C 239 CKSRYB472K50 C 240 CEJAR47M50 C 241 CKSQYB104K16 C 242 CEJAR47M50 C 243 CEJAR33M50 C 244 CKSQYB473K16 C 245 CKSRYB123K25 C 246 CKSQYB473K16 C 250 CCSRCH471J50 Unit Number Unit Name Cassette PCB S 1 Switch Load ESN1016 S 2 Switch Mute ESN1017 S 3 Switch FWD REV ESH1006 S 4 Switch Eject ESG1006 R 1 RD1 4HM472J Misce...

Page 31: ...r 1 Oscilloscope DC Regulated Power Supply TUNER AMP UNIT 50Ω 75Ω FM SSG Stereo Modulator 50Ω 37 5Ω Antenna Dummy Antenna FM AM TUNER UNIT TOP VIEW T31 T51 C63 T51 Center Meter FM AM TUNER UNIT BOTTOM VIEW Pin1 Pin13 Pin14 Pin 19 Pin26 L2 L4 L5 VR154 TC1 DC V Meter 1 6 ADJUSTMENT Connection Diagram ...

Page 32: ...yed Adjustment Adjustment Method No Frequency MHz Level dBf Frequency MHz Point Switch Position TUN Volt 1 108 0 L5 DC V Meter 1 6V IF 2 98 1 M 60 100 98 1 T51 Center Meter 0 ANT Coil 3 98 1 M 5 98 1 L2 mV Meter 1 Maximum RF Coil 4 98 1 M 5 98 1 L4 mV Meter 1 Maximum RF 5 129 3 M 60 80 107 9 TC1 mV Meter 1 Minimum Trimmer 6 RF Coil and RF Trimmer shall be adjusted twice or more IFT 7 98 1 M 5 98 1...

Page 33: ...N4 L IN4 R IN4 L AGND AGND SWout R SWout L ZCin R ZCin L LOUD R LOUD L VRin R VRin L TREB R TREB L BASS C1 R BASS C1 L BASS R R BASS R L BASS C2 R BASS C2 L NC NC TONEout R TONEout L FADERin R FADERin L FRNTout R FRNTout L REARout R REARout L DVcc VREFin DATA AGND CLK DGND STB Ct 3 Line Serial Bus Bass Treble Volume Loudness Fader Gain Adjust Isolator Zero cross Detector Power Supply Bass Treble V...

Page 34: ...rol output 28 mute O C System mute output 29 DMINH O C Mechanism mute cancel output 30 32 NC Not used 33 GND GND 34 37 NC Not used 38 FM O C FM power control output 39 AM O C AM power control output 40 49 NC Not used 50 eject I Eject key input 51 tapld I Tape loading input 52 MECPW O C Cassette mechanism power output 53 mcmut I Mechanism mute input 54 NOR rev I Normal reverse input 55 59 NC Not us...

Page 35: ...isplay data input 19 NC Not used 20 KYDT O Key data output 21 MODA GND 22 X0 Crystal oscillator connection pin 23 X1 Crystal oscillator connection pin 24 VSS GND 25 26 KDT2 3 I Key data input 2 3 27 28 KST5 4 O Key strobe output 5 4 29 55 SEG39 13 O LCD segment output 39 13 56 VCC 5V 57 64 SEG12 5 O LCD segment output 12 5 IC s marked by are MOS type Be careful in handling them because they are ve...

Page 36: ...36 KEH 1800 1830 PA4023B ...

Page 37: ...37 KEH 1800 1830 7 1 2 DISPLAY CAW1513 SEGMENT COMMON ...

Page 38: ...il straight Remove the Tuner Amp Unit Removing the Case not shown 1 Remove the three screws 2 Remove the Case Removing the Cassette Mechanism Assy not shown 1 Remove the four screws 2 Disconnect the connector and then removing the Cassette Mechanism Assy Removing the Panel Unit Fig 1 Disengage the stopper at two locations indicated Remove the Panel Unit Fig 1 Fig 2 Panel Unit Tuner Amp Unit ...

Page 39: ...39 KEH 1800 1830 7 3 BLOCK DIAGRAM KEH 1800 X1M EW A B D C ...

Page 40: ...terminal 5 Back up or Accessory beforehand 4 11 ISO connector Note In some vehicles the ISO connector may be divided into two If this is the case be sure to connect to both connectors 12 Speaker leads White Front left White black Front left Gray Front right Gray black Front right Green Rear left Green black Rear left Violet Rear right Violet black Rear right 13 Blue white To Auto antenna relay con...

Page 41: ...ton Detach button Programmable button 5 2 3 buttons buttons Using the Cassette Player Basic Operation of Cassette Player 1 Insert the cassette tape 2 Switch tape playback from side A to side B or vice versa 3 Raise or lower the volume 4 Remove the cassette tape Note The Tape function can be turned ON OFF with the cassette tape remaining in this product Same Time ...

Page 42: ...cy This product s tuner lets you select the tuning by changing the length of the time you press the button Manual Tuning step by step 0 3 seconds or less Seek Tuning 0 3 2 seconds Manual Tuning continuously 2 seconds or more Note To select a weak broadcasting station that cannot be tuned in with the Seek Tuning function tune in with Manual Tuning F I F II F III MW LW Each press changes the Source ...

Page 43: ... moves from left to right Each press changes the Mode Audio Adjustment Bass Treble Adjustment This product is equipped with two tone adjustment modes the Bass Adjustment and Treble Adjustment modes 1 Select Bass Adjustment mode or Treble Adjustment mode After adjustment use the BAND button to return to the normal display 2 Increase or decrease the intensity of the bass or treble whichever is selec...

Page 44: ...rward rewinding time Approx 90 sec 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 IEC A network FM tuner Frequency range 87 5 108 MHz Usable sensitivity 11 dBf 1 0 µV 75 Ω mono S N 30 dB 50 dB quieting sensitivity 16 dBf 1 7 µV 75 Ω mono Signal to noise ratio 70 dB IEC A network Distortion 0 3 at 65 dBf 1 kHz stereo Frequency...

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