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AUDIO SYSTEM
HEAD UNIT
VEHICLE
DESTINATION
LEXUS LX470
U.S.A.,CANADA
LEXUS LX470
U.S.A.,CANADA
LEXUS LX470
AUSTRALIA
Manufactured for TOYOTA
by PIONEER CORPORATION
LX470
PRODUCED
TOYOTA PARTS No.
AFTER
August 2002
86120-60650
August 2002
86120-60620
August 2002
86120-60640
ORDER NO.
CRT2900
PIONEER MODEL
ID No.
No.
P1739
KEX-M9527ZT/UC
KEX-M9527ZT-91/UC
P1733
KEX-M9727ZT/UC
KEX-M9727ZT-91/UC
P2728
KEX-M9627ZT/ES
KEX-M9627ZT-91/ES
CRT2900
PUB.NO.
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Related Manuals for Pioneer KEX-M9527ZT/UC
Summary of Contents for Pioneer KEX-M9527ZT/UC
- Page 1 TOYOTA PARTS No. ID No. AFTER LEXUS LX470 U.S.A.,CANADA August 2002 86120-60650 P1739 KEX-M9527ZT/UC KEX-M9527ZT-91/UC LEXUS LX470 U.S.A.,CANADA August 2002 86120-60620 P1733 KEX-M9727ZT/UC KEX-M9727ZT-91/UC LEXUS LX470 AUSTRALIA August 2002 86120-60640 P2728 KEX-M9627ZT/ES KEX-M9627ZT-91/ES Manufactured for TOYOTA CRT2900 PUB.NO. by PIONEER CORPORATION...
- Page 2 Description KEX-M9527ZT-91/UC KEX-M9727ZT-91/UC KEX-M9627ZT-91/ES Part No. Part No. Part No. Polyethylene Bag CEG1174 CEG1174 CEG1026 Cover CEG1045(×2) CEG1045(×2) CEG1045(×2) Carton CHG4857 CHG4857 CHG4857 CHL4857( × 1/4) CHL4857( × 1/4) CHL4857( × 1/4) Contain Box *Air cap CHW1947 CHW1947 CHW1947 KEX-M9527ZT/UC...
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Page 3: Safety Information
By following the instructions in this manual, be sure to apply the prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed ones should be used. KEX-M9527ZT/UC... -
Page 4: Table Of Contents
8. OPERATIONS ..........59 8.1 KEX-M9527ZT/UC,KEX-M9727ZT/UC ....... . . 59 8.2 KEX-M9627ZT/ES . -
Page 5: Specifications
Signal-to-noise ratio ..more than 42 dB (74 dBµ input) Distortion ......less than 1.5% KEX-M9527ZT/UC... -
Page 6: Exploded Views And Parts List
• Screw adjacent to mark on the product are used for disassembly. • For the applying amount of lobricants or glue, follow the instructions in this manual. (In the case of no amount instructions,apply as you think it appropriate.) 2.1 EXTERIOR KEX-M9527ZT/UC... - Page 7 CNM8041 Transistor(Q811) 2SB1185 Chassis Unit CXB7972 Screw BPZ20P080FMC Button See Contrast table(2) (2) CONTRAST TABLE KEX-M9527ZT/UC, KEX-M9727ZT/UC and KEX-M9627ZT/ES are constructed the same except for the following: Mark Symbol and Description KEX-M9527ZT/UC KEX-M9727ZT/UC KEX-M9627ZT/ES Earth CND1020 CND1020 Not used Cushion...
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Page 8: Cassette Mechanism Module
2.2 CASSETTE MECHANISM MODULE For grease application, refer to the service manual for CX-1011 (CRT2406). KEX-M9527ZT/UC... - Page 9 Gathering PCB ENX1066 Motor Unit(M1) EXA1618 Motor EXM1035 Head Assy(HD1) EXA1594 ENC1537 Screw JGZ20P025FNI Bracket ENC1559 Chassis Unit EXA1636 Pinch Holder Unit EXA1608 Pinch Roller ENV1518 Pinch Holder Unit EXA1607 Pinch Roller ENV1518 Reel Unit EXA1625 Head Base Unit EXA1611 KEX-M9527ZT/UC...
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Page 10: Block Diagram And Schematic Diagram
IC602 RESET S-80735ANDZI UC/ML CN254 MECHANISM DRIVER MOTOR IC351 MS,DIR,PLAY,MTL, PA2020A NR,CSLOAD,POS,ES, SC2,SC1,CM,STBY CN253 CN255 MAIN CN256 MOTOR CN804 MODE KDT,kst 70µs LOAD KEY MATRIX SENSE SWITCH SWITCH ILLB SENSOR UNIT Q811 13,14 Q813 ILLUMINATION CN901 KEYBOARD UNIT Q816 KEX-M9527ZT/UC... - Page 11 AVC-LAN SWVDD Q453 Q644 ESET UC/ML Q805 ISENS ISEN Q807 ASENS BSENS ASEN Q806 Q891 ANTA 34 41 BSEN Q893 Q892 ANTB CN804 5R6V IC Q894 Q808 KDT,kst IC870 AUD+B S-81256SGUP-DIM ILLB Q811 Q802 13,14 Q813 Q870 CN901 Q816 KEX-M9527ZT/UC...
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Page 12: Overall Connection Diagram(Guide Page)
Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS LIST". Large size SCH diagram ANTENNA JACK Guide page Detailed page UC/ML DIVERCITY UC/ML RBDS DECODER UC/ML KEH-M9527ZT/UC KEH-M9727ZT/UC UC/ML KEH-M9627ZT/ES UC/ML UC/ML CN251 CN901 KEX-M9527ZT/UC... - Page 13 UC/ML discrete resistors. identical designation. are expressed as : -4.6dBs Symbol indicates a capacitor. ← -5.0dBs ← No differentiation is made between chip capacitors and 0.022 R022 TAPE +2.3dBs discrete capacitors. -11.6dBs -7.7dBs TAPE -1.8dBs KEX-M9527ZT/UC...
- Page 14 KEX-M9527ZT/UC...
- Page 15 KEX-M9527ZT/UC...
- Page 16 KEX-M9527ZT/UC...
- Page 17 KEX-M9527ZT/UC...
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Page 18: Keyboard Unit
3.3 KEYBOARD UNIT KEYBOARD UNIT PROG PWR•VOL PWR•VOL KEH-M9627ZT/ES KEH-M9527ZT/UC, KEH-M9727ZT/UC CN804 KEX-M9527ZT/UC... - Page 19 KEX-M9527ZT/UC...
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Page 20: Cassette Mechanism Module
HA12216F MSOUT Fwd-L R281 0R0 R273 MSGV FIN(R) C251 390P VREF DOLBY B NR 120/70 RIN(R) R255 NFI(R) HEAD ASSY EXA1594 TEST TAPE NCT-150 R257 R293 (400Hz, 200nWb/m) R259 R294 VR301 CCP1280 33K(B) R292 C272 R1 CN251 -8.24dBs(300mV)±1dB CN353 KEX-M9527ZT/UC... - Page 21 LOAD S101 R275 ESG1007x3 C405 R033 SENSOR UNIT R404 270K CN254 MOTOR UNIT (SUB MOTOR) VCC2 EXA1623 R374 MECHANISM DRIVER C356 C355 SWITCHES: SENSOR UNIT S101:LOAD SWITCH..EJECT-PLAY S102:MODE SWITCH....ON-OFF S103:70µs SWITCH....ON-OFF The underlined indicates the switch position. CN353 KEX-M9527ZT/UC...
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Page 22: Pcb Connection Diagram
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 dia- gram. 2.Viewpoint of PCB diagrams Capacitor Connector SIDE A SIDE B P.C.Board Chip Part ANTENNA KEX-M9527ZT/UC... - Page 23 SIDE A AVC-LAN CN251 CN901 FRONT KEX-M9527ZT/UC...
- Page 24 MAIN UNIT KEX-M9527ZT/UC...
- Page 25 SIDE B KEX-M9527ZT/UC...
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Page 26: Keyboard Unit
4.2 KEYBOARD UNIT SIDE A KEYBOARD UNIT KEX-M9527ZT/UC... - Page 27 SIDE B KEYBOARD UNIT CN804 KEX-M9527ZT/UC...
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Page 28: Cassette Mechanism Module
4.3 CASSETTE MECHANISM MODULE SIDE A DECK UNIT CN353 CN251 C321 C271 SIDE B DECK UNIT HEAD ASSY IC,Q VR302 CN254 CN255 CN253 CN252 IC253 IC251 Q351 Q352 VR301 CN256 KEX-M9527ZT/UC... - Page 29 SENSOR UNIT S101 LOAD S103 70µs S102 MODE L101 CN256 L102 Q101 REEL SENSE CN253 KEX-M9527ZT/UC...
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Page 30: Electrical Parts List
CKS.., CCS.., CSZS..Circuit Symbol and No. Part Name Part No. Circuit Symbol and No. Part Name Part No. Q 811 Transistor 2SB1185 Q 813 Transistor 2SA1162 Unit Number:CWM8099(KEX-M9527ZT/UC) Q 816 Transistor IMX1 Unit Number:CWM8542(KEX-M9727ZT/UC) Q 825 Transistor 2SA1162 Q 860... - Page 31 RS1/16S102J R 220 RS1/16S163J R 221 RS1/16S103J R 408 RS1/16S102J R 413 RS1/16S102J R 222 RS1/16S103J R 414 RS1/16S102J R 417 (KEX-M9527ZT/UC) RS1/16S623J R 223 RS1/16S103J R 224 RS1/16S103J R 417 (KEX-M9727ZT/UC) RS1/16S913J R 225 RS1/16S181J R 418 (KEX-M9527ZT/UC) RS1/16S623J...
- Page 32 R 689 RS1/16S0R0J R 603 RS1/16S102J R 690 RS1/16S473J R 605 RS1/16S102J R 606 RS1/16S0R0J R 691 RS1/16S473J R 607 RS1/16S104J R 692 RS1/16S473J R 608 RS1/16S102J R 693 RS1/16S473J R 698 RS1/16S102J R 609 RS1/16S681J R 699 RS1/16S473J KEX-M9527ZT/UC...
- Page 33 C 207 CCSRCH330J50 C 208 CCSRCH330J50 C 381 CKSRYB182K50 C 382 CKSRYB182K50 C 209 CKSRYB102K50 C 383 CKSRYB182K50 C 210 CKSRYB105K10 C 384 CKSRYB182K50 C 215 CEJQNP4R7M16 C 401 CKSRYB183K50 C 216 CEJQNP4R7M16 C 402 CKSRYB183K50 C 219 CCSRCH220J50 KEX-M9527ZT/UC...
- Page 34 S-81256SGUP-DIM C 605 CEJQ220M6R3 Q 201 Transistor DTC144EU C 645 CKSRYB103K50 Q 202 Transistor DTC144EU C 648 CKSRYB102K50 Q 203 Transistor DTC144EU C 671 CCSRCH101J50 Q 204 Transistor FMG13 C 672 CCSRCH101J50 Q 205 Transistor FMG13 C 673 CCSRCH101J50 KEX-M9527ZT/UC...
- Page 35 UDZS18(B) R 223 RS1/16S103J D 801 Diode 1SS355 R 224 RS1/16S103J D 802 Diode UDZS5R6(B) R 225 RS1/16S181J R 226 RS1/16S181J D 803 Diode RM4LFJ10 R 227 RS1/16S181J D 804 Diode 1SS355 D 805 Diode UDZS20(B) R 228 RS1/16S181J KEX-M9527ZT/UC...
- Page 36 R 568 RS1/16S222J R 427 RS1/16S303J R 569 RS1/16S164J R 570 RS1/16S223J R 428 RS1/16S303J R 571 RS1/16S473J R 429 RS1/16S683J R 430 RS1/16S683J R 582 RS1/16S332J R 431 RS1/16S473J R 583 RS1/16S332J R 432 RS1/16S473J R 584 RS1/16S332J KEX-M9527ZT/UC...
- Page 37 R 892 RD1/4PU221J R 893 RS1/16S223J R 683 RS1/16S102J R 894 RS1/16S223J R 684 RS1/16S102J R 687 RS1/16S473J R 895 RS1/16S103J R 688 RS1/16S0R0J R 896 RS1/16S103J R 689 RS1/16S0R0J R 897 RS1/16S473J R 898 RS1/16S473J R 690 RS1/16S473J KEX-M9527ZT/UC...
- Page 38 CKSRYB223K50 C 337 4.7µF/35V CCH1432 C 338 4.7µF/35V CCH1432 C 601 CKSRYB102K50 C 351 CEJQ4R7M35 C 602 CKSRYB103K50 C 355 CEJQ220M10 C 603 CKSRYB103K50 C 356 CEJQ100M16 C 604 CKSRYB104K16 C 605 CEJQ220M6R3 C 381 CKSRYB182K50 C 382 CKSRYB182K50 KEX-M9527ZT/UC...
- Page 39 C 892 CKSRYB103K50 R 913 RS1/10S2R7J R 914 RS1/10S120J R 915 RS1/16S2R2J R 916 RS1/10S3R3J Unit Number:CWS1348 R 917 RS1/10S3R3J (KEX-M9527ZT/UC,KEX-M9727ZT/UC) R 918 RS1/10S3R3J R 919 RS1/10S4R7J Unit Name:Keyboard Unit R 920 RS1/10S4R7J MISCELLANEOUS R 921 RS1/10S4R7J S 901 Encoder(TUNE)
- Page 40 C 254 CKSRYB391K50 C 255 CKSRYB103K50 C 256 CKSRYB103K50 C 271 1µF/50V ECH0002 C 272 CKSRYB104K16 C 301 CKSRYB104K16 C 302 CKSRYB104K16 C 309 CKSRYB104K16 C 310 CKSRYB104K16 C 351 CKSQYB224K25 C 352 CKSRYB392K50 C 353 CKSRYB103K50 C 354 CKSRYB103K50 KEX-M9527ZT/UC...
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Page 41: Adjustment
6. ADJUSTMENT 6.1 TUNER/AUDIO ADJUSTMENT - Connection Diagram(KEX-M9527ZT/UC, KEX-M9727ZT/UC) KEX-M9527ZT/UC KEX-M9727ZT/UC EMV(DENSO) GGD1302 GGD1239 Bullet connector (To DC Regulated Power Supply) GM-9027ZT/UC MARK LEVINSON AMP Bullet connector (To DC Regulated Power Supply) Bullet connector (To DC Regulated Power Supply) NAVI ECU(DENSO) - Page 42 (To DC Regulated Power Supply) Bullet connector (To DC Regulated Power Supply) NAVI ECU(DENSO) GGD1240 GGD1169 Bullet connector SP Line AUI- AUI+ CDX-M9027ZT/WL Bullet connector (To DC Regulated Power Supply) *MCD(J/UC/EW/WL) *Please don't connect the two MCD's at the same time. *MCD KEX-M9527ZT/UC...
- Page 43 Extention Cord GGD1121 MAIN UNIT CN353 DECK UNIT VR302 VR301 Pin2 Pin3 CN251 L-CH R-CH Meter DOLBY B NR ADJUSTMENT Test Tape Adjustment Point Adjustment Method (Switch Position) NCT-150 VR301(Lch),VR302(Rch) mV Meter : –8.24dBs(300mV)±1dB (400Hz,200nwb/m) (DOLBY NR Switch : OFF) KEX-M9527ZT/UC...
- Page 44 4Vp-p(EMF) Pulse intervals :5msec 50us Pulse voltage :4Vp-p Adjustment: 1. Setting of SSG Receiving frequency : 1,000 kHz (KEX-M9527ZT/UC KEX-M9727ZT/UC) Receiving frequency : 999 kHz (KEX-M9627ZT/ES) Percentage modulation : 30% Modulation frequency : 400 Hz Antenna input : 74 dBuV (EMF) 2.
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Page 45: Self-Diagnosis Function
6.2 SELF-DIAGNOSIS FUNCTION KEX-M9527ZT/UC... - Page 46 KEX-M9527ZT/UC...
- Page 47 KEX-M9527ZT/UC...
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Page 48: General Information
Remove the three screws and then remove the Front Frame. Front Frame Fig.2 Removing the Main Unit (Fig.3) Straight the tabs at two locations indicated. Remove the two screws. Remove the two screws and then remove the Main Unit. Fig.3 Main Unit KEX-M9527ZT/UC... -
Page 49: Connector Function Description
7.1.2 CONNECTOR FUNCTION DESCRIPTION - KEX-M9527ZT/UC, KEX-M9727ZT/UC MUTE SGND (SGND) MUTE ANTA (AMP+) ILL+ ANTB ILL- ACC (BU) (ACC) TX- TX+ NC (GND) STSW2 STSW1 SWGND ADIM RMUTE RSA L- RSA L+ RSA R- RSA R+ SGND - KEX-M9627ZT/ES MUTE... -
Page 50: Troubleshooting
Check the following terminals IsTAPE mechanical unit STBY Pin 85(IC601) operated normally? CM Pin 89(IC601) SC1 Pin 88(IC601) SC2 Pin 87(IC601) Check the following terminals SYSPW Pin1(IC601) Is VOL adjustment Check encoder input. enabled? ENC1+ Pin 65(IC601) Normal operation KEX-M9527ZT/UC... - Page 51 RDS LK signal input LOCL Local L output PCE1 PLL chip enable output PCE2 EEPROM chip enable output SDBW SDBW input NL2 signal input FMSD FM signal input Stereo input ROMDT ROM correction data ROMCLK ROM correction clock KEX-M9527ZT/UC...
- Page 52 Stearing SW1 VREF A/D converter reference voltage input AVCC Analog power supply ANTB Antenna control IC's marked by * are MOS type. *PD5734A(KEX-M9627ZT/ES) Be careful in handling them because they are very liable to be damaged by electrostatic induction. *S-81256SGUP-DIM KEX-M9527ZT/UC...
- Page 53 RDS data input rdslk RDS LK signal input LOCL Local L output PCE1 PLL chip enable output PCE2 EEPROM chip enable output Not used Not used FMSD FM signal input Stereo input ROMDT ROM correction data ROMCLK ROM correction clock KEX-M9527ZT/UC...
- Page 54 Capstan motor control output stby Stand-by output Not used Not used Signal level ILL- Illumination - STSW2 Stearing SW2 AVSS A/D GND STSW1 Stearing SW1 VREF A/D converter reference voltage input AVCC Analog power supply ANTB Antenna control *PD5730A(KEX-M9527ZT/UC,KEX-M9727ZT/UC) KEX-M9527ZT/UC...
- Page 55 Connect to the antenna through an L (LAU type) of 4.7µH.To cope with the power transmission line hums, insert a series circuit consisting of an L (a coil of about 100mH) + R (a resistor of 470 Ω to 2.2kΩ) between the GND. KEX-M9527ZT/UC...
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Page 56: Explanation
7.3 EXPLANATION 7.3.1 SYSTEM BLOCK DIAGRAM +B, ACC AVC-LAN(MAIN) AVC-LAN(LOCAL) +B, ACC SPEAKER (OPTION) NAVI AMPLIFIER KEX-M8527ZT/UC KEX-M8727ZT/UC PIONEER or OTHER NTSC OTHER OTHER MAKERS MAKERS MAKERS AVC-LAN(MAIN) DVD-CH AVC-LAN(LOCAL) REAR SEAT HEAD AUDIO PHONE OTHER MAKERS +B, ACC AVC-LAN... -
Page 57: Operational Flow Chart
Power ON VDD=5V Pin 62 VCC=5V Pin 16 bsens Pin 75 bsens=L asens Pin 73 asens=L SWVDD←H Pin 11 IPPW←H Pin 22 SYSPWR←H Pin 1 Source keys operative Source ON Completes power-on operation. (After that, proceed to each source operation) KEX-M9527ZT/UC... -
Page 58: Cleaning
7.4 CLEANING Before shipping out the product, be sure to clean the following portions by using the prescribed cleaning tools: Portions to be cleaned Cleaning tools Cassette heads Pinch rollers Cleaning paper : GED-008 Capstans KEX-M9527ZT/UC... -
Page 59: Operations
8. OPERATIONS 8.1 KEX-M9527ZT/UC,KEX-M9727ZT/UC KEX-M9527ZT/UC... -
Page 60: Kex-M9627Zt/Es
PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 2002 K-ZZD.JULY 2002 Printed in Japan...