Pioneer KEX-M9086ZT-91/UC Service Manual Download | Manualshive

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3.2 TUNER UNIT

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Summary of Contents for KEX-M9086ZT-91/UC

Page 1: ...US RX300 U S A CANADA February 1998 86120 48050 P1714 KEX M9086ZT UC LEXUS RX300 U S A CANADA February 1998 86120 48050 P1714 KEX M9086ZT 91 UC ORDER NO CRT2088 Service Manual PUB NO CRT2088 AUDIO SYSTEM HEAD UNIT Manufactured for TOYOTA by PIONEER ELECTRONIC CORPORATION RX300 ...

Page 2: ...e double D symbol are trademarks of Dolby Laboratories Licensing Corporation See the separate manual CX 529 CRT1507 for the cassette mechanism description The cassette mechanism employed in this model is one of 2L mechanism description KEX M9086ZT UC has adopted AVC LAN KEX M9086ZT UC KEX M9086ZT 91 UC ID No P1714 NOTE The KEX M9086ZT 91 UC is supplementary genuine part for a TOYOTA vehicle and a ...

Page 3: ...4 KEX M9086ZT M9086ZT 91 Fig 1 2 EXPLODED VIEWS AND PARTS LIST 2 1 EXTERIOR ...

Page 4: ...ew BMZ30P060FMC 3 Case CNB2187 4 Earth CNC6739 5 Spacer CNM4305 6 Insulator CNM5314 7 Main Unit CWM5423 8 Transistor Q813 2SB1185 9 Screw CBA1393 10 Connector CN801 CKM1222 11 Connector CN802 CKM1238 12 Connector CN702 CKS1730 13 Antenna Jack CN501 CKX1057 14 Antenna Jack CN502 CKX1058 15 Holder CNC2218 16 Holder CNC7149 17 Tuner Unit CWE1455 18 Holder CNC6774 19 Chassis Unit CXB1408 20 Cassette M...

Page 5: ...6 KEX M9086ZT M9086ZT 91 Fig 2 2 2 CASSETTE MECHANISM MODULE ...

Page 6: ...Arm ENV1445 40 Gathering PCB ENX1029 41 Gathering PCB ENX1041 42 Switch S1 ESG1004 43 Motor Unit M2 EXA1485 44 Chassis Unit EXA1494 45 Pinch Roller Unit EXA1472 46 Pinch Roller Unit EXA1473 47 Reel Unit EXA1484 48 Head Base Unit EXA1434 49 Lever Unit EXA1438 50 Gear Unit EXA1436 51 Frame Unit EXA1476 52 Lever Unit EXA1425 53 Head Assy HD1 EXA1481 54 Motor Unit M1 EXA1497 55 Washer HBF 179 56 Screw...

Page 7: ... 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 MAIN UNIT TUNER UNIT B A a A A a A b A a A b A b A a Large size SCH diagram Guide page Detailed page ...

Page 8: ...9 KEX M9086ZT M9086ZT 91 5 6 7 8 A B C D 5 6 7 8 Fig 3 A b A DECK UNIT C PCB UNIT REEL PCB D E PD4846B ...

Page 9: ...10 KEX M9086ZT M9086ZT 91 A 1 2 3 4 B C D 1 2 3 4 A MAIN UNIT TUNER UNIT B A a A b A a ...

Page 10: ...11 KEX M9086ZT M9086ZT 91 5 6 7 8 A B C D 5 6 7 8 A a A b Fig 4 A a ...

Page 11: ...12 KEX M9086ZT M9086ZT 91 A 1 2 3 4 B C D 1 2 3 4 A a A b A b ...

Page 12: ...13 KEX M9086ZT M9086ZT 91 5 6 7 8 A B C D 5 6 7 8 DECK UNIT C PCB UNIT REEL PCB D E PD4846B A a A b Fig 5 A b ...

Page 13: ...14 KEX M9086ZT M9086ZT 91 A 1 2 3 4 B C D 1 2 3 4 B B 3 2 TUNER UNIT ...

Page 14: ...15 KEX M9086ZT M9086ZT 91 5 6 7 8 A B C D 5 6 7 8 I B Fig 6 A ...

Page 15: ...16 KEX M9086ZT M9086ZT 91 A 1 2 3 4 B C D 1 2 3 4 3 3 CASSETTE MECHANISM MODULE C A D C CN702 ...

Page 16: ...17 KEX M9086ZT M9086ZT 91 5 6 7 8 A B C D 5 6 7 8 E F E D C Fig 7 D E ...

Page 17: ......

Page 18: ......

Page 19: ... 1 TC1 TC2 mV Meter 1 Maximum Trimmer RF Coil 1 89 9 M 5 15 89 9 L6 mV Meter 1 Maximum RF 1 106 1 M 5 15 106 1 TC3 mV Meter 1 Maximum Trimmer Separation 1 98 1 S 65 98 1 VR101 mV Meter 1 Maximum ARC 1 98 1 S 40 98 1 VR154 mV Meter 1 Separation 5dB Separation Interstation 1 98 1 M 65 98 1 mV Meter 1 AdB Noise 2 98 1 M 98 1 VR151 mV Meter 1 A 20dB Search 1 98 1 M 33 98 1 VR156 DC V Meter 2 more than...

Page 20: ...35 KEX M9086ZT M9086ZT 91 7 GENERAL INFORMATION 7 1 IC PA4026A LA1061M ...

Page 21: ...ense input 39 NES I Cassette mechanism forward end sense input 40 SC2 O C Cassette mechanism sub motor control output 41 SC1 O C Cassette mechanism sub motor control output 42 CM O C Cassette mechanism capstan motor control output 43 stby O C Stand by output 44 48 NC Not used 49 TAPPW O C Tape power 50 ACCPW O C ACC power output 51 NC Not used 52 TUNPW O C Tuner power control output 53 54 NC Not u...

Page 22: ...086ZT 91 20 21 40 41 60 61 80 1 PD4846B IC s marked by are MOS type Be careful in handling them because they are very liable to be damaged by electrostatic induction Format Meaning C C MOS S 80736AN D0 2 3 1 OUT VDD VSS ...

Page 23: ...LAN The device s own physical address is included Diagnosis Memory Clear The system clears Diagnosis Memory the codes After completing clearing the system goes to LAN CHECK mode 6Memory Clear Complete clearing automatic 2End Diagnosis 3Go to System Check 4Return to LAN CHECK 5Go to Diagnosis Memory 4Return to LAN CHECK 2End Diagnosis 1Go to Diagnosis 2End Diagnosis Flowchart and Functions Operatio...

Page 24: ...ear seat TV 1DIN navigation Rear control SW Integrate d Panel CD CH commander 0 4 1 3 5 F 1 0 1 2 3 4 5 6 7 8 9 A B C D E F 2 Navigation computer ATIS FM multiple TV tuner CD CH with video 0 1 F 1 0 1 2 3 4 5 6 7 8 9 A B C D E F 3 Radio Cassette Radio cas sette without CH controller CD P CD CH MD P MD CH DAT DCC TEL ECU 0 8 1 7 9 F 1 0 1 2 3 4 5 6 7 8 9 A B C D E F 4 Equalizer AMP H W AMP 0 1 F 1 ...

Page 25: ...rror AM tuner error FM tuner error TV tuner error Cassette deck error Cassette deck EJT failure Tape entan gled in the cassette deck Dirt in cassette deck head Broken cassette deck belt CD deck or CD CH error CD CH EJT failure Dirt scar and upside down in CD CH Detected P U tem perature in CD CH Detected overcur rent in CD CH CH tray error CH elevator error CD CH clamp error MD deck or MD CH error...

Page 26: ...e is no Diagnostic code after completion of System Check 00 The system changes as shown above as this unit does not include System Check The system beeps three times when changing to another mode The system beeps once every time a physical address is displayed When changing to another mode Blinking CODE is displayed Then Latest periodical communications number is displayed Elapsed time at the curr...

Page 27: ...g the Cassette Mechanism Module not shown 1 Remove the four screws 2 Disconnect the connector 3 Remove the Cassette Mechanism Module Removing the Main Unit Fig 19 1 Remove the two screws A and the one screw B 2 Straighten the hooks marked with arrows While sliding the Main Unit forward lift it up to remove Fig 19 Fig 18 ...

Page 28: ...43 KEX M9086ZT M9086ZT 91 ACC B GND R L R L MUTE ATX ATX TX TX ANT EJCT Fig 20 7 2 3 CONNECTOR FUNCTION DESCRIPTION ...

Page 29: ...44 KEX M9086ZT M9086ZT 91 7 3 EXPLANATION 7 3 1 BLOCK DIAGRAM Fig 21 A B C D E ...

Page 30: ...dB S N 30 dB Signal to noise ratio more than 50 dB 55 dBµ Distortion less than 1 5 Stereo separation more than 25 dB 1 kHz 35 10dB MW tuner Frequency range 530 1 710 kHz Usable sensitivity 27 dBµ 5dB S N 20 dB Signal to noise ratio more than 44 dB 74dBµ Distortion less than 1 0 PIONEER ELECTRONIC CORPORATION 4 1 Meguro 1 Chome Meguro ku Tokyo 153 Japan PIONEER ELECTRONICS SERVICE INC P O Box 1760 ...

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