Pioneer KEH-P6800R Service Manual Download Page 1

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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-ZZS. NOV. 1998 Printed in Japan

ORDER NO.

CRT2305

MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH RDS TUNER

KEH-P7800R

X1N/EW

Service
Manual

KEH-P6800R

X1N/EW

NOTE:

See the separate manual CX-631(CRT1640) for the cassette mechanism description.

The cassette mechanism assy employed in this model is one of 2L series.

Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.

"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.

CONTENTS

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

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

3. SCHEMATIC DIAGRAM ..........................................14

4. PCB CONNECTION DIAGRAM ...............................26

5. ELECTRICAL PARTS LIST .......................................36

6. ADJUSTMENT ........................................................46

7. GENERAL INFORMATION ......................................48

7.1 PARTS.................................................................48

7.1.1 IC ...............................................................48

7.1.2 DISPLAY ...................................................53

7.2 DIAGNOSIS........................................................54

7.2.1 DISASSEMBLY .........................................54

7.2.2 TEST MODE .............................................55

7.3 BLOCK DIAGRAM..............................................58

8. OPERATIONS AND SPECIFICATIONS ...................59

KEH-P7800R/X1N/EW

Summary of Contents for KEH-P6800R

Page 1: ...R X1N EW NOTE See the separate manual CX 631 CRT1640 for the cassette mechanism description The cassette mechanism assy employed in this model is one of 2L series Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation Dolby and the double D symbol are trademarks of Dolby Laboratories Licensing Corporation CONTENTS 1 SAFETY INFORMATION 2 2 EXPLODED VIEWS AND ...

Page 2: ...est 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 qualifi...

Page 3: ...l CRD2749 8 7 Passport CRY1013 8 8 Warranty Card CRY1087 9 Battery CEX1030 10 Carton CHG3548 11 Contain Box CHL3548 12 Protector CHP2101 13 Protector CHP2102 14 Inner Box CHW1754 15 Remote Control Assy CXB3488 16 Screw Assy CZE3169 17 Polyethylene Bag CEG 127 18 Hexagonal Wrench CZE3176 19 Screw RMZ30H060FBK 20 Belt CZN6416 21 Holder Assy CZX3172 22 Holder Assy CZX3173 23 Remote Control Assy CZX32...

Page 4: ...4 KEH P7800R P6800R KEH P6800R X1N EW 11 8 24 5 4 6 3 2 7 12 13 10 14 1 ...

Page 5: ...lene Bag E36 615 7 Polyethylene Bag CEG 162 8 1 Owner s Manual CRD2750 8 2 Owner s Manual CRD2751 8 3 Owner s Manual CRD2752 8 4 Installation Manual CRD2753 8 5 Installation Manual CRD2754 8 6 Installation Manual CRD2755 8 7 Passport CRY1013 8 8 Warranty Card CRY1087 9 10 Carton CHG3674 11 Contain Box CHL3674 12 Protector CHP2101 13 Protector CHP2102 14 Inner Box CHW1754 15 23 24 Case Assy CXB3520...

Page 6: ...6 KEH P7800R P6800R 2 2 EXTERIOR ...

Page 7: ...Case CNC8351 43 Insulator CNM6099 44 Insulator CNM6190 45 Insulator CNM6257 46 47 Heat Sink CNR1505 48 Insulator CNV5792 49 FM AM Tuner Unit CWE1466 50 Holder CNC6554 51 Chassis Unit See Contrast table 2 52 Screw ISS26P055FUC 53 Detach Grille Assy See Contrast table 2 54 Screw BPZ20P060FMC 55 Screw BPZ20P080FZK 56 Button OPEN CAC5804 57 Button EJECT CAC5805 58 Button SOURCE CAC5806 59 Button BAND ...

Page 8: ...990 EXK3995 2 CONTRAST TABLE KEH P7800R X1N EW and KEH P6800R X1N EW are constructed the same except for the following 91 Holder CNS5165 92 Holder CNS5389 93 Coil L801 CTH1227 94 Holder Unit CXB3049 95 Holder Unit CXB3050 96 Holder Unit CXB3051 97 IC IC301 PAL005A 98 Transistor Q951 2SD2396 99 Remote Control Assy CZX3231 100 Cover CZN6410 101 Switch S602 CSN1027 102 Damper Unit CXB3180 103 Cord Se...

Page 9: ...9 KEH P7800R P6800R ...

Page 10: ...10 KEH P7800R P6800R 2 3 CASSETTE MECHANISM MODULE KEH P7800R X1N EW ...

Page 11: ... ENT1027 31 Gear ENV1347 32 Collar ENV1508 33 Gear ENV1350 34 Flywheel ENV1500 35 Worm Gear ENV1439 36 Worm Wheel ENV1440 37 Gear ENR1037 38 Lever ENV1442 39 Arm ENV1525 40 Gathering PCB ENX1037 41 Gathering PCB ENX1042 42 Switch S1 S2 ESG1004 43 Motor Unit M2 EXA1485 44 Chassis Unit EXA1567 45 Pinch Holder ENV1485 46 Pinch Holder ENV1486 47 Reel Unit EXA1543 48 Head Base Unit EXA1457 49 Lever Uni...

Page 12: ...12 KEH P7800R P6800R 2 4 CASSETTE MECHANISM MODULE KEH P6800R X1N EW ...

Page 13: ... ENT1027 31 Gear ENV1347 32 Collar ENV1508 33 Gear ENV1350 34 Flywheel ENV1500 35 Worm Gear ENV1439 36 Worm Wheel ENV1440 37 Gear ENR1037 38 Lever ENV1442 39 40 Gathering PCB ENX1037 41 Gathering PCB ENX1042 42 Switch S1 ESG1004 43 Motor Unit M2 EXA1485 44 Chassis Unit EXA1567 45 Pinch Holder ENV1485 46 Pinch Holder ENV1486 47 Reel Unit EXA1543 48 Head Base Unit EXA1457 49 Lever Unit EXA1438 50 Ge...

Page 14: ...OVERALL 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 a A b A b A b A b A a A a Large size SCH diagram Guide page Detailed page A C A a B C D E F MODULE ANTENNA JACK ...

Page 15: ...15 KEH P7800R P6800R 5 6 7 8 A B C D 5 6 7 8 A b A A ...

Page 16: ...16 KEH P7800R P6800R BANTENNA JACK A 1 2 3 4 B C D 1 2 3 4 A a A a A b ...

Page 17: ...17 KEH P7800R P6800R C D E F MODULE 5 6 7 8 A B C D 5 6 7 8 A a A a A b C ...

Page 18: ...18 KEH P7800R P6800R A A 1 2 3 4 B C D 1 2 3 4 A a A b A b ...

Page 19: ...19 KEH P7800R P6800R 5 6 7 8 A B C D 5 6 7 8 A b A a A b ...

Page 20: ...20 KEH P7800R P6800R 3 1 2 FM AM TUNER UN B A 1 2 3 4 B C D 1 2 3 4 3 2 FM AM TUNER UNIT B ...

Page 21: ...21 KEH P7800R P6800R TUNER UNIT A 5 6 7 8 A B C D 5 6 7 8 B ...

Page 22: ... 0R0 R255 220 C256 R01 R258 1K VR302 CCP1280 33K B R301 18K C310 R1 R273 1K R274 1K R271 1K R272 1K R290 0R C403 R0 R403 82 C402 4700P C401 R33 R40 R40 4R7 R323 0R0 R257 1K C255 R01 C272 R1 VR301 33K B CCP1280 C309 R1 C313 100P R386 0R0 R285 0R0 HD1 HEAD ASSY EXA1506 TEST TAPE NCT 150 400Hz 200nWb m RL RR FR FL Signal GND C302 R1 C302 R1 C301 R1 R322 1K 6dBs 388mV 1dB D A Fwd Fwd Rev Rev A 1 2 3 4...

Page 23: ...C401 R33 R402 16K R401 4R7K R351 1K R352 1K R353 1K R354 1K R373 0R0 R375 0R0 R355 270K C352 3900P R362 180 C351 R22 C353 R01 C354 R01 R374 0R0 C356 R01 C355 R1 D352 1SS355 M1 MOTOR UNIT MAIN MOTOR EXA1490 S1 LOAD ESG1004 S2 ESG1004 70µs MODE SENSE EGN1 EGN1005 EGN2 EGN1006 FWD END SENSE EGN3 EGN1006 REV END SENSE M2 MOTOR UNIT SUB MOTOR EXA1485 Power GND F E 5 6 7 8 A B C D 5 6 7 8 D E F ...

Page 24: ... R281 0R0 R255 220 C256 R01 R258 1K R301 18K R273 1K R274 1K R271 1K R272 1K R290 0R0 C403 R0 R403 82K C402 4700P C401 R33 R402 R401 4R7K R323 0R0 R257 1K C255 R01 C272 R1 C313 100P R386 0R0 R285 0R0 HD1 HEAD ASSY EXA1506 TEST TAPE NCT 150 400Hz 200nWb m RL RR FR FL Signal GND C302 R1 C302 R1 C301 R1 R304 R302 16K 16K R305 16K R303 16K 6dBs 388mV 1dB CN602 D A Fwd Fwd Rev Rev A 1 2 3 4 B C D 1 2 3...

Page 25: ...00P C401 R33 R402 16K R401 4R7K R351 1K R352 1K R353 1K R354 1K R373 0R0 R355 270K C352 3900P R362 180 C351 R22 C353 R01 C354 R01 R374 0R0 C356 R01 C355 R1 D352 1SS355 M1 MOTOR UNIT MAIN MOTOR EXA1490 S1 LOAD ESG1004 S2 ESG1004 70µs MODE SENSE EGN1 EGN1005 EGN2 EGN1006 FWD END SENSE EGN3 EGN1006 REV END SENSE M2 MOTOR UNIT SUB MOTOR EXA1485 Power GND F E 5 6 7 8 A B C D 5 6 7 8 D E F ...

Page 26: ...n this PCB include all necessary parts for several destination For further information for respective destinations be sure to check with the schematic dia gram 2 Viewpoint of PCB diagrams 4 PCB CONNECTION DIAGRAM 4 1 TUNER AMP UNIT A A Capacitor Connector P C Board Chip Part SIDE A SIDE B TUNER AMP UNIT ...

Page 27: ...27 KEH P7800R P6800R IP BUS IN PRE OUT ANTENNA ORD CN251 B D CN901 C S602 DOOR 5 6 7 8 A B C D 5 6 7 8 SIDE A A ...

Page 28: ...28 KEH P7800R P6800R A 1 2 3 4 B C D 1 2 3 4 A A TUNER AMP UNIT ...

Page 29: ...29 KEH P7800R P6800R 5 6 7 8 A B C D 5 6 7 8 A SIDE B ...

Page 30: ...30 KEH P7800R P6800R A 1 2 3 4 B C D 1 2 3 4 4 2 KEYBOARD UNIT C SIDE A KEYBOARD UNIT C ...

Page 31: ...31 KEH P7800R P6800R EL901 CN601 EJECT A 1 2 3 4 A B C D 1 2 3 4 C SIDE B C KEYBOARD UNIT ...

Page 32: ...32 KEH P7800R P6800R A 1 2 3 4 B C D 1 2 3 4 4 3 FM AM TUNER UNIT B B SIDE A FM AM TUNER UNIT A ...

Page 33: ...33 KEH P7800R P6800R 1 2 3 4 A B C D 1 2 3 4 B B SIDE B FM AM TUNER UNIT ...

Page 34: ...34 KEH P7800R P6800R A 1 2 3 4 B C D 1 2 3 4 4 4 CASSETTE MECHANISM MODULE D D HEAD ASSY M2 M1 A E SIDE B SIDE A DECK UNIT D DECK UNIT CN602 ...

Page 35: ...35 KEH P7800R P6800R 1 2 3 4 A B C D 1 2 3 4 1 4 7 1 2 3 4 5 6 LOAD SW S1 70µ SW S2 MODE SENSE EGN1 E E F SIDE B SIDE A PCB UNIT PCB UNIT REEL PCB D E F CN253 F ...

Page 36: ...02J R 243 RS1 16S123J R 244 RS1 16S103J R 247 RS1 16S123J Unit Number CWE1466 Unit Name FM AM Tuner Unit MISCELLANEOUS IC 1 IC PA4023B IC 2 IC PA4024A Q 1 Transistor 2SC2412K Q 2 Transistor DTC124EU Q 3 FET 3SK263 Q 31 Transistor 2SC2412K Q 154 Transistor DTC124EU Q 165 Transistor 2SC2412K Q 201 FET 2SK932 Q 202 Transistor 2SC2412K Q 203 Transistor DTC124EU D 4 Diode 1SV250 D 5 Diode KV1410 F1 D 7...

Page 37: ...C 219 CCSRCH471J50 C 220 CKSRYB103K25 C 230 CKSRYB103K25 C 231 CCSRCH330J50 C 232 CCSRCH150J50 C 233 CKSQYB104K16 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 CWM6062 KEH P7800R Unit Name Tuner ...

Page 38: ...S1379 X 601 Radiator 12 58291MHz CSS1402 X 701 Crystal Resonator 4 332MHz CSS1056 VR 701 Semi fixed 22kΩ B CCP1321 FM AM Tuner Unit CWE1466 BZ 601 Buzzer CPV1011 RESISTORS R 201 RS1 10S102J R 202 RS1 10S102J R 205 RS1 10S821J R 206 RS1 10S821J R 207 RS1 10S102J R 208 RS1 10S102J R 209 RS1 10S223J R 210 RS1 10S223J R 211 RS1 10S0R0J R 212 RS1 10S222J R 213 RS1 10S222J R 214 RS1 10S562J R 215 RS1 10...

Page 39: ...3 RS1 10S105J R 724 RS1 10S0R0J R 725 RS1 10S224J R 726 RS1 10S224J R 727 RS1 10S222J R 728 RS1 10S222J R 729 RS1 10S223J R 730 RS1 10S223J R 731 RS1 10S103J R 732 RS1 10S224J R 751 RS1 10S222J R 752 RS1 10S223J R 753 RS1 10S472J R 754 RS1 10S102J R 755 RS1 10S102J R 756 RS1 10S473J R 757 RS1 10S473J R 758 RS1 10S102J R 759 RS1 10S101J R 760 RS1 10S620J R 761 RS1 10S101J R 801 RS1 10S103J R 802 RS...

Page 40: ... CEJA220M10 C 701 CKSQYF104Z25 C 702 CKSQYB222K50 C 703 CKSQYB104K25 C 704 CKSQYB105K10 C 705 CKSQYB104K25 C 706 CKSQYB472K50 C 707 CEJA4R7M35 C 708 CKSQYB104K25 C 709 CCSQCH220J50 C 710 CCSQCH220J50 C 711 CKSQYB104K25 C 712 CEJA4R7M35 C 713 CKSQYB223K50 C 714 CCSQSL101J50 C 716 CKSQYB103K50 C 717 CEJA2R2M50 C 718 CEJA2R2M50 C 719 CKSQYB471K50 C 720 CKSQYB223K50 C 751 CKSQYB104K25 C 752 CKSQYB102K...

Page 41: ... L 701 Ferri Inductor LAU101K L 751 Ferri Inductor LAU2R2K L 801 Coil CTH1227 L 951 Coil 600µH CTH1219 TH 833 Thermistor CCX1042 CF 601 Filter CTF1071 X 401 Crystal Resonator 7 200MHz CSS1379 X 601 Radiator 12 58291MHz CSS1402 X 701 Crystal Resonator 4 332MHz CSS1056 VR 701 Semi fixed 22kΩ B CCP1321 FM AM Tuner Unit CWE1466 BZ 601 Buzzer CPV1011 RESISTORS R 201 RS1 10S102J R 202 RS1 10S102J R 205 ...

Page 42: ...222J R 728 RS1 10S222J R 729 RS1 10S223J R 730 RS1 10S223J R 731 RS1 10S103J R 732 RS1 10S224J R 751 RS1 10S222J R 752 RS1 10S223J R 753 RS1 10S472J R 754 RS1 10S102J R 755 RS1 10S102J R 756 RS1 10S473J R 757 RS1 10S473J R 758 RS1 10S102J R 759 RS1 10S101J R 760 RS1 10S620J R 761 RS1 10S101J R 801 RS1 10S103J R 802 RS1 10S562J R 803 RS1 10S123J R 804 RS1 10S912J R 805 RS1 8S472J R 806 RS1 10S473J ...

Page 43: ...KSQYB104K25 C 709 CCSQCH220J50 C 710 CCSQCH220J50 C 711 CKSQYB104K25 C 712 CEJA4R7M35 C 713 CKSQYB223K50 C 714 CCSQSL101J50 C 716 CKSQYB103K50 C 717 CEJA2R2M50 C 718 CEJA2R2M50 C 719 CKSQYB471K50 C 720 CKSQYB223K50 C 751 CKSQYB104K25 C 752 CKSQYB102K50 C 801 CEJA100M16 C 803 CKSQYB222K50 C 805 2 2µF 250V CCH1327 C 806 CCG1089 C 814 CCSQSL101J50 C 815 CCSQSL101J50 C 816 CKSQYB103K50 C 817 CCG1091 C...

Page 44: ...102J R 272 RS1 16S102J R 273 RS1 16S102J R 274 RS1 16S102J R 281 RS1 8S0R0J R 282 RS1 8S0R0J R 283 RS1 8S0R0J R 284 RS1 8S0R0J R 285 RS1 16S0R0J R 286 RS1 16S0R0J R 287 RS1 8S0R0J R 290 RS1 8S0R0J R 301 RS1 16S183J R 322 RS1 16S102J R 323 RS1 8S0R0J R 351 RS1 16S102J R 352 RS1 16S102J R 353 RS1 16S102J R 354 RS1 16S102J R 355 RS1 10S274J R 362 RS1 8S181J R 373 RS1 8S0R0J R 374 RS1 8S0R0J R 375 RS1...

Page 45: ...103K25 C 272 CKSQYB104K16 C 273 CEJA220M16 C 301 CKSYB104K50 C 302 CKSYB104K50 C 313 CCSQCH101K50 C 351 CKSYB224K25 C 352 CKSQYB392K50 C 353 CKSQYB103K50 C 354 CKSQYB103K50 C 355 CKSYB104K50 C 356 CKSQYB103K50 C 401 CKSQYB334K16 C 402 CKSQYB472K50 C 403 CKSQYB683K16 Unit Number Unit Name PCB Unit KEH P7800R S 1 Switch Load ESG1004 S 2 Switch 70µS ESG1004 EGN 1 Photo Interrupter EGN1005 Unit Number...

Page 46: ...MP UNIT 50Ω 75Ω FM SSG Stereo Modulator 50Ω 37 5Ω Antenna Dummy Antenna D401 VR701 DC V Meter 2 DECK UNIT DECK UNIT mV Meter 2 Pin3 Pin2 VR301 L VR302 R R L KEH P7800R X1N EW 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 47: ...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 T31 mV Meter 1 Maximum STEREO MODE ARC 8 98 1 S 40 98 1 VR154 mV Meter 1 Separation 5dB STEREO MODE RDS SL ADJUSTMENT FM SSG Displayed Adjustment Adjustm...

Page 48: ...ilter Treble Anti radiation filter Middle Bass Loudness volume FIE Fader volume Secondary volume Zero cross detect circuit Primary volume Anti Alias filter Middle Treble Bass Isolator circuit Anti radiation filter Loudness volume Zero cross detect circuit Fader volume Secondary volume FIE Digital block Auto Zero Auto Zero 1 2 3 4 5 6 7 Mute 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Mute ...

Page 49: ...49 KEH P7800R P6800R PML005A CXA2560Q VCC VCCO PGND GATE NC VDC EL1 EL2 CLKR CLKC VDM ISET D ISET N VDCSEN VSB GND ...

Page 50: ...ut 26 PRSBSW I Not used 27 TELIN I TEL mute signal input 28 mute O Mute output 29 DIM O Dimmer select output 30 NC Not used 31 FM O FM power control output 32 AM O AM power control output 33 VCK O Clock output for electronic volume 34 VST O Strobe pulse output for electronic volume 35 VDT O Data output for electronic volume 36 tmute O Tuner mute output 37 NC Not used 38 SD I SD input 39 st I FM st...

Page 51: ...evel input 79 81 NC Not used 82 AVDD Positive power supply terminal for analog circuit 83 AVREF1 A D converter reference voltage 84 AVSS A D GND 85 RX I IP BUS data input 86 TX O IP BUS data output 87 GND GND 88 ldet I PLL lock sense input 89 RCK I RDS demodulation clock input 90 RDS57K I 57kHz pulse count sense input 91 NC Not used 92 asens I ACC power sense input 93 bsens I Back up power sense i...

Page 52: ... rst I System reset 5 6 MODE1 0 GND 7 GRN amb O Green Amber select output 8 SO O UART output 9 SI I UART input 10 REMIN I Remote control reception 11 RVER Not used 12 NC Not used 13 16 KDT4 1 I Key data input 17 22 KST6 1 O Key strobe output 23 VCC 5V 24 73 SEG49 0 O LCD segment output 74 77 COM3 0 O Common driver output 78 80 V3 1 LCD bias power supply 20 21 40 41 60 61 80 1 PD6294A ...

Page 53: ... SEG 39 SEG 38 SEG 37 SEG 36 SEG 35 NC SEG 34 NC SEG 33 SEG 32 SEG 31 SEG 30 SEG 29 SEG 28 SEG 27 SEG 26 SEG 25 SEG 24 SEG 23 SEG 22 SEG 21 SEG 20 SEG 19 SEG 18 SEG 17 SEG 16 SEG 15 SEG 14 SEG 13 SEG 12 SEG 11 SEG 10 SEG 9 SEG 8 SEG 7 SEG 6 SEG 5 SEG 4 SEG 3 SEG 2 SEG 1 SEG 0 COM 3A COM 0A COM 3B COM 1A COM 2 COM 1B COM 0B 7 1 2 DISPLAY CAW1501 COMMON SEGMENT ...

Page 54: ...he Tuner Amp Unit Removing the Case not shown 1 Remove the two screws 2 Remove the Case Removing the Cassette Mechanism Module not shown 1 Remove the four screws 2 Disconnect the connector and then removing the Cassette Mechanism Module Removing the Panel Assy Fig 1 Remove the two screws Disconnect the two connectors Disengage the stopper at two locations indi cated and remove the Panel Assy Fig 1...

Page 55: ...82 6 ELV motor select 7 Display TRAY motor select 0X 10 72 00 00 72 00 00 72 01 00 72 02 00 72 8ms pulse drive Display 24ms pulse drive DC drive 8 00 10 72 01 10 72 02 10 72 48ms pulse drive Display 100ms pulse drive DC drive ELV select ELV dowm Disc 1 6 TRAY select TRAY out 9 ELV select ELV up Disc 6 1 TRAY select TRAY in 00 00 00 01 01 01 02 02 02 Display CD multi player selected Focus mode sele...

Page 56: ...N OFF etc are performed normally 3 Error Cause Error Number Code Error Code Classification Mode Description Cause Detail 40 ELECTRIC PLAY FOK L Put out of focus 100ms Scratch 41 ELECTRIC PLAY LOCK L Spindle unlock Stain 100ms Vibration 42 ELECTRIC PLAY Subcode Failed to read subcode Servo defect unacceptable 500ms etc 43 ELECTRIC PLAY Sound skipped Last address memory operated 4 Indicating an Oper...

Page 57: ...le failed to lock or subcode unreadable Subcode failure Spindle defective defect severe vibration 14 ELECTRIC Mirror failure Unrecorded CD R The disc is upside down defects vibration 17 ELECTRIC Set up failure AGC protect failed Defects disc upside down severe vibration 19 ELECTRIC Set up failure Tracking error waveform is too unbalanced 50 or level is too small The pickup unit or tracking error c...

Page 58: ...58 KEH P7800R P6800R 7 3 BLOCK DIAGRAM D C B E A F ...

Page 59: ...same as when using buttons on the head unit button AUDIO button 2 3 buttons BAND button FUNCTION button SOURCE OFF button ATT button This lets you quickly lower volume level by about 90 Press once more to return to the original volume level 5 buttons 5 2 3 buttons SOURCE OFF button button AUDIO button BAND button Buttons 1 6 PTY button TA button FUNCTION button EQ button DISPLAY button PGM button ...

Page 60: ...AF should be switched OFF for normal tuning operations Manual and Seek Tuning You can select the tuning method by changing the length of time you press the 2 3 button Manual Tuning step by step 0 5 seconds or less Seek Tuning 0 5 seconds or more Note If you continue pressing the button for longer than 0 5 seconds you can skip broadcasting stations Seek Tuning starts as soon as you stop pressing th...

Page 61: ...t Note The Tape function can be turned ON OFF with the cassette tape remaining in this product Direction Change Open Note Use to open the front panel when loading or ejecting a cassette The illustration on the right shows the front panel open Fast Forward Rewind and Music Search Each press of the 3 button selects Fast forward or Forward Music Search FF Fast forward F MS Forward Music Search Normal...

Page 62: ...o change the Disc Title display of the current disc Track Search and Fast Forward Reverse You can select between Track Search or Fast forward Reverse by pressing the 2 3 button for a different length of time Track Search 0 5 seconds or less Fast forward Reverse Continue pressing Switching the Multi CD Player Using a multiple connection adapter lets you connect up to three Multi CD players M CD 1 M...

Page 63: ... Audio Mute lead on the cellular telephone If not keep the Audio Mute lead free of any connections Front Rear Multi CD player sold separately Connecting cords with RCA pin plugs sold separately To system control terminal of the power amp or Auto antenna relay control terminal Max 300 mA 12 V DC Power amp sold separately Rear output System remote control Rear Rear See the section RFP Alert Installa...

Page 64: ...ssette player Tape Compact cassette tape C 30 C 90 Tape speed 4 76 cm sec 0 14cm sec 0 05cm sec Fast forward rewinding time Approx 100 sec for C 60 Wow flutter 0 09 WRMS Frequency response Metal 30 19 000 Hz 3 dB KEH P7800R Frequency response 30 16 000 Hz 3 dB KEH P6800R Stereo separation 45 dB Signal to noise ratio KEH P7800R Metal Dolby B NR IN 67 dB IEC A network Dolby NR OUT 61 dB IEC A networ...

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