Pioneer KEH-P424 Service Manual Download Page 48

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KEH-P424,P4700,P4750

Entering the Function Menu

The Function Menu lets you operate simple functions for each source.

Note:

•

After entering the Function Menu, if you do not perform an operation within about 30 seconds, the

Function Menu is automatically canceled.

Select the desired mode in the Function Menu. (Refer to “Function Menu

Functions”.)

Operate a mode. (e.g. Repeat Play)

Cancel the Function Menu.

The button used and the operation it performs are

indicated by the key guidance indicator. Press the

button to switch the key guidance indicator

ON, and the

∞

button to switch it OFF.

Each press changes the Mode ...

Summary of Contents for KEH-P424

Page 1: ...tte 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 This service manual does not describe the CD test mode For the operations in the CD test mode refer to the CD player s ...

Page 2: ...rsely 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 mot risk trying to do so and refer the repair to a qualified service technician WARNING Lead in solder used in this product is listed by the California Health and Welfare agency as a known reproductive toxicant which may caus...

Page 3: ...NC5395 CNC5395 CNC5395 11 Bush CNV3930 CNV3930 CNV3930 12 Polyethylene Bag CEG1173 CEG1173 CEG1 162 13 Carton CHG3471 CHG3470 CHG3472 14 Contain Box CHL3471 CHL3470 CHL3472 15 Protector CHP2021 CHP2021 CHP2021 16 Protector CHP2022 CHP2022 CHP2022 17 Owner s Manual CRD2585 CRD2587 CRD2596 18 Installation Manual CRD2586 CRD2588 CRD2598 19 Warranty Card CRY1070 Not used Not used 20 Card Not used ARY1...

Page 4: ...4 KEH P424 P4700 P4750 Fig 2 2 2 EXTERIOR ...

Page 5: ... CNC6674 35 Holder CNC6845 36 Heat Sink CNR1426 37 Chassis Unit CXB2347 38 Case Assy CXB1063 39 Button CAC4836 40 Spring CBH1834 41 Spring CBH1835 42 Spring CBH1996 43 Bracket CNC6135 44 Bracket CNC6791 45 Arm CNV4692 46 Arm CNV4693 47 Arm CNV4728 48 Panel Unit See Contrast table 2 49 Door CAT1947 50 Spring CBH1838 51 Screw IMS20P030FZK 52 Detach Grille Assy See Contrast table 2 53 Screw BPZ20P100...

Page 6: ...M5800 22 Cord Assy CN603 CDE5178 Not used Not used 23 FM AM Tuner Unit CWE1467 CWE1467 CWE1486 48 Panel Unit CXB2352 CXB2367 CXB2367 52 Detach Grille Assy CXB2446 CXB2442 CXB2308 77 Grille Unit CXB2491 CXB2490 CXB2492 80 IC IC301 TDA7386 TDA7384 TDA7384 2 CONTRAST TABLE KEH P424 X1M UC KEH P4700 X1M UC and KEH P4750 X1M ES are constructed the same except for the following Fig 3 ...

Page 7: ...Belt ENT1027 31 Gear ENV1347 32 Collar ENV1508 33 Gear ENV1350 34 Flywheel ENV1529 35 Worm Gear ENV1439 36 Worm Wheel ENV1440 37 Gear ENR1028 38 Lever ENV1442 39 Arm ENV1525 40 Gathering P C Board ENX1037 41 Gathering P C Board ENX1042 42 Switch S1 S2 ESG1004 43 Motor Unit M2 EXA1485 44 Chassis Unit EXA1511 45 Pinch Holder ENV1485 46 Pinch Holder ENV1486 47 Reel Unit EXA1543 48 Head Base Unit EXA1...

Page 8: ...MATIC DIAGRAM 3 1 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 b A b A a Large size SCH diagram Guide page Detailed page A C A a A B C D E F ...

Page 9: ...9 KEH P424 P4700 P4750 5 6 7 8 A B C D 5 6 7 8 A b A Fig 4 POWER AMP ...

Page 10: ...10 KEH P424 P4700 P4750 A 1 2 3 4 B C D 1 2 3 4 A B A a A a A b ...

Page 11: ...11 KEH P424 P4700 P4750 5 6 7 8 A B C D 5 6 7 8 C D E F Fig 5 A a A a A b C ...

Page 12: ...12 KEH P424 P4700 P4750 A 1 2 3 4 B C D 1 2 3 4 POWER AMP A a A b A b ...

Page 13: ...13 KEH P424 P4700 P4750 5 6 7 8 A B C D 5 6 7 8 Fig 6 A b A a A b ...

Page 14: ...14 KEH P424 P4700 P4750 A 1 2 3 4 B C D 1 2 3 4 KEH P424 X1M UC P4700 X1M UC KEH P4750 X1M ES 3 2 FM AM TUNER UNIT B A B FM AM TUNER UNIT ...

Page 15: ...15 KEH P424 P4700 P4750 5 6 7 8 A B C D 5 6 7 8 B Fig 7 ...

Page 16: ...16 KEH P424 P4700 P4750 A 1 2 3 4 B C D 1 2 3 4 3 3 CASSETTE MECHANISM MODULE A D D ...

Page 17: ...17 KEH P424 P4700 P4750 5 6 7 8 A B C D 5 6 7 8 E F Fig 8 D E F ...

Page 18: ...d 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 4 PCB CONNECTION DIAGRAM 4 1 TUNER AMP UNIT A A C Capacitor Connector P C Board Chip Part SIDE A SIDE B TUNER AMP UNIT ...

Page 19: ...19 KEH P424 P4700 P4750 5 6 7 8 A B C D 5 6 7 8 B D CN251 CN901 SY Fig 9 SIDE A D B A ...

Page 20: ...20 KEH P424 P4700 P4750 A 1 2 3 4 B C D 1 2 3 4 A A TUNER AMP UNIT ...

Page 21: ...21 KEH P424 P4700 P4750 5 6 7 8 A B C D 5 6 7 8 Fig 10 A SIDE B ...

Page 22: ... KEH P424 P4700 P4750 A 1 2 3 4 B C D 1 2 3 4 4 2 KEYBOARD UNIT Fig 11 AUDIO SOURCE FF REW FUNCTION LOUD CLOCK PGM EJECT VOL DOWN VOL UP BAND 1 2 3 4 5 6 DISPLAY DISC UP DISC DOWN C SIDE A C KEYBOARD UNIT ...

Page 23: ...23 KEH P424 P4700 P4750 1 2 3 4 A B C D 1 2 3 4 Fig 12 C A CN601 SIDE B A CN601 C KEYBOARD UNIT ...

Page 24: ...24 KEH P424 P4700 P4750 A 1 2 3 4 B C D 1 2 3 4 4 3 FM AM TUNER UNIT Fig 13 B B SIDE A FM AM TUNER UNIT A ...

Page 25: ...25 KEH P424 P4700 P4750 1 2 3 4 A B C D 1 2 3 4 Fig 14 B B SIDE B FM AM TUNER UNIT ...

Page 26: ...6 KEH P424 P4700 P4750 A 1 2 3 4 B C D 1 2 3 4 IC Q ADJ VR302 IC351 IC251 Q351 Q352 VR301 HEAD ASSY E M1 M2 4 4 CASSETTE MECHANISM MODULE D Fig 15 D A CN602 A E SIDE B SIDE A DECK UNIT D DECK UNIT Fig 16 ...

Page 27: ...27 KEH P424 P4700 P4750 1 2 3 4 A B C D 1 2 3 4 E E F SIDE B SIDE A PCB UNIT PCB UNIT REEL PCB D F Fig 17 Fig 18 Fig 19 E F ...

Page 28: ...38 RS1 16S104J R 239 RS1 16S104J R 240 RS1 16S332J R 241 RS1 16S202J R 243 RS1 16S183J R 244 RS1 16S392J Unit Number CWE1467 KEH P424 X1M UC P4700 X1M UC Unit Number CWE1486 KEH P4750 X1M ES Unit Name FM AM Tuner Unit MISCELLANEOUS IC 1 IC PA4023B IC 2 IC PA4024A Q 1 Transistor 2SC2412KLN Q 2 Transistor DTC124EU Q 3 FET 3SK263 Q 31 Transistor 2SC2412KLN Q 201 FET 2SK932 Q 202 Transistor 2SC2412KLN...

Page 29: ...JA470M6R3 C 213 CKSRYB103K25 C 216 CCSRCH101J50 C 217 CEJA1R5M50 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 CKSRYB333K16 C 246 CKSQYB473K16 C...

Page 30: ... 304 RS1 10S103J R 305 RS1 10S152J R 306 RS1 10S101J R 307 RS1 8S562J R 308 RS1 8S223J R 401 RS1 10S162J R 402 RS1 10S162J R 403 RS1 10S102J R 404 RS1 10S222J R 405 RS1 10S222J R 406 See Contrast table R 407 See Contrast table R 408 RS1 10S562J R 409 RS1 10S222J R 410 RS1 10S102J R 411 RS1 10S472J R 412 RS1 10S152J R 413 RS1 10S472J R 414 RS1 10S472J R 416 RS1 10S182J R 417 RS1 10S103J R 418 RS1 1...

Page 31: ...4 CEJA1R0M50 C 205 CEJA4R7M35 C 206 CEJA4R7M35 C 207 CEJA100M16 C 208 CEJA100M16 C 209 CKSQYB822K50 C 210 CKSQYB822K50 C 211 CEJA1R0M50 C 212 CEJA1R0M50 C 213 CKSQYB183K25 C 214 CKSQYB183K25 C 215 CKSQYB102K50 C 216 CKSQYB102K50 C 217 CEJA2R2M50 C 218 CEJA2R2M50 C 219 CKSQYB333K25 C 220 CKSQYB333K25 C 221 CEJA220M10 C 222 CEJA220M10 C 223 CKSQYF104Z25 C 225 See Contrast table C 229 CEJA2R2M50 C 23...

Page 32: ... D 614 Diode BR4361F Not used Not used Q 604 Transistor 2SA933S Not used Not used Q 605 Transistor DTC124EK Not used Not used Q 606 Transistor 2SC1740S Not used Not used R 217 612 RS1 10S103J Not used Not used R 218 RS1 8S102J Not used Not used R 406 Not used Not used RD1 4PU182J R 407 RS1 10S0R0J RS1 10S0R0J Not used R 611 RS1 10S751J Not used Not used R 613 614 615 RS1 10S223J Not used Not used ...

Page 33: ...SQYB392K50 C 353 CKSQYB103K50 C 354 CKSQYB103K50 C 355 CKSYB104K50 C 356 CKSQYB103K50 C 401 CKSQYB334K16 C 402 CKSQYB472K50 C 403 CKSQYB683K16 Unit Number CWM5801 Unit Name Keyboard Unit MISCELLANEOUS IC 901 IC PD6247A Q 901 Transistor 2SC2412K D 901 Chip Diode MA151WK D 902 Diode MA151WA D 903 LED NSPWF50SB D 904 LED NSPWF50SB D 905 LED NSPWF50SB D 906 LED CL170PGCD D 907 LED CL170PGCD D 908 LED ...

Page 34: ...QYB103K25 C 905 CKSQYB103K25 C 906 CKSQYB103K25 C 907 CKSQYF104Z50 C 908 CKSQYF104Z50 C 909 CKSQYF104Z50 Unit Number Unit Name PCB Unit S 1 Switch Load ESG1004 S 2 Switch 70µS ESG1004 EGN 1 Photo Interrupter EGN1005 Unit Number Unit Name Reel PCB EGN 2 Photo Interrupter EGN1006 EGN 3 Photo Interrupter EGN1006 Miscellaneous Parts List M 1 Motor Unit Main EXA1544 M 2 Motor Unit Sub EXA1485 HD 1 Head...

Page 35: ...Supply TUNER AMP UNIT DC V Meter 1 Center Meter Pin 19 FM AM TUNER UNIT BOTTOM VIEW C63 FM AM TUNER UNIT TOP VIEW L2 L5 T51 T31 Pin1 Pin13 Pin14 Pin26 L4 T51 VR154 50Ω 75Ω FM SSG Stereo Modulator 50Ω 37 5Ω Antenna Dummy Antenna VR302 mV Meter 2 VR301 L CH R CH Pin2 Pin3 CN251 DECK UNIT DECK UNIT BOTTOM VIEW Fig 20 6 ADJUSTMENT Connection Diagram ...

Page 36: ...evel dBf Frequency MHz Point Switch Position TUN Volt 1 107 9 L5 DC V Meter 1 6V IF 2 98 1 M 60 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 IFT 5 98 1 M 5 98 1 T31 mV Meter 1 Maximum STEREO MODE ARC 6 98 1 S 40 98 1 VR154 mV Meter 1 Separation 5dB STEREO MODE FM ADJUSTMENT KEH P4750 X1M ES FM SSG Displayed Adjustment Adjustme...

Page 37: ...37 KEH P424 P4700 P4750 7 GENERAL INFORMATION 7 1 PARTS 7 1 1 IC TDA7384 TDA7386 PM2006A ...

Page 38: ...DRSENS I Door open close sense input 28 ILPW O C Illumination power 29 FM O C FM power control output 30 AM O C AM power control output 31 NR O C NR output 32 CM O C Cassette mechanism capstan motor control output 33 VSS GND 34 SC2 O C Cassette mechanism sub motor control output 35 SC1 O C Cassette mechanism sub motor control output 36 MS I Cassette mechanism MS sense input 37 NC Not used 38 mtl I...

Page 39: ...Pin No Pin Name I O Format Function and Operation 66 bsens I Back up power sense input 67 CLKIN I Clock input 68 VDD Power supply 69 X2 Oscillator output 70 X1 Oscillator input 71 IC GND 72 NC Not used 73 TESTIN I Test program mode input 74 AVDD I A D converter analogue power 75 AVREF0 I A D converter standard voltage input 76 SL I Signal level input 77 CL I Synchronizing signal input of display d...

Page 40: ...4 rst I System reset 5 6 MODE1 0 GND 7 dim O Dimmer 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 PD6247A ...

Page 41: ...41 KEH P424 P4700 P4750 7 1 2 DISPLAY CAW1477 Fig 21 COMMON SEGMENT ...

Page 42: ...ws 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 Detach Grille Assy Fig 22 1 Push the detach button 2 Remove the Detach Grille Assy Removing the Panel Unit Fig 22 1 Disengage the stopper at four locations indicated by white arrows and then remove the Panel 2 Disenga...

Page 43: ...43 KEH P424 P4700 P4750 7 3 BLOCK DIAGRAM KEH P424 X1M UC Fig 24 D C B E A F ...

Page 44: ...lue To system control terminal of the power amp or Auto antenna relay control termi nal Max 300 mA 12 V DC Power amp sold separately Rear Rear Use this for connections when you have the sepa rately available amplifier To vehicle metal body Rear Rear Left speaker Right speaker Front Front Black ground Red Orange Green Green black Gray Gray black Green red Black green Gray red Black gray With a 2 sp...

Page 45: ...ne disc only Tuner Tape Multi CD player AUX Note In the following cases the sound source will not change No Multi CD player is connected to this product When M CD display is OFF Refer to page 36 No CD player is connected to this product No cassette tape is set in this product No magazine is set in the Multi CD player No disc is set in the CD player AUX external input is set to OFF Refer to page 36...

Page 46: ...ormal Playback Note Fast forward Rewind and Music Search can be canceled by pressing the button Cassette Loading Slot Note METAL appears on the display for 2 seconds when a metal or chrome tape is inserted Nothing is displayed for a normal tape Basic Operation of Tuner 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...

Page 47: ...Multi CD Player before reading of information on all discs has been completed reading of information stops part way through This will prevent you from using a number of functions If you try and use these functions NOT READY is displayed If this happens reading of information begins again when you switch to a component other than the 50 Disc type Multi CD Player If the multi CD player cannot operat...

Page 48: ...t 30 seconds the Function Menu is automatically canceled 1 Select the desired mode in the Function Menu Refer to Function Menu Functions 2 Operate a mode e g Repeat Play 3 Cancel the Function Menu The button used and the operation it performs are indicated by the key guidance indicator Press the 5 button to switch the key guidance indicator ON and the button to switch it OFF Each press changes the...

Page 49: ... speed 4 76 cm sec 0 14 cm sec 0 05 cm 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 Stereo separation 45 dB Signal to noise ratio Metal Dolby B NR IN 67 dB IHF A network Dolby NR OUT 61 dB IHF A network FM tuner Frequency range KEH P424 X1M UC P4700 X1M UC 87 9 107 9 MHz KEH P4750 X1M ES 87 5 108 MHz Usable sensitivity 11 ...

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