Pioneer FX-M8427ZT/UC Service Manual
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Pioneer FX-M8427ZT/UC Service Manual

Pioneer FX-M8427ZT/UC Service Manual

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Service
Manual
AUDIO SYSTEM
HEAD UNIT
VEHICLE
DESTINATION
LEXUS RX330
U.S.A., CANADA
LEXUS RX330
U.S.A., CANADA
Manufactured for TOYOTA
by PIONEER CORPORATION
RX330
PRODUCED AFTER
TOYOTA PART No.
February 2003
86120-48170
February 2003
86120-48310
ORDER NO.
CRT3000
ID No.
PIONEER MODEL No.
P6828
FX-M8427ZT/UC
P6828
FX-M8427ZT-91/UC
CRT3000
PUB. NO.

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Summary of Contents for Pioneer FX-M8427ZT/UC

  • Page 1 Service Manual ORDER NO. CRT3000 RX330 AUDIO SYSTEM HEAD UNIT VEHICLE DESTINATION PRODUCED AFTER TOYOTA PART No. ID No. PIONEER MODEL No. LEXUS RX330 U.S.A., CANADA February 2003 86120-48170 P6828 FX-M8427ZT/UC LEXUS RX330 U.S.A., CANADA February 2003 86120-48310 P6828 FX-M8427ZT-91/UC...

  • Page 2: Safety Information

    Unplugging and plugging the connectors dur- ment (shorting-solder) by referring to “the DISAS- ing power-on mode may damage the ICs inside the SEMBLY” on page 69. unit. 3. After replacing the pickup unit, be sure to check the grating. (See p.59.) FX-M8427ZT/UC...
  • Page 3 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. FX-M8427ZT/UC...

  • Page 4: Table Of Contents

    7. GENERAL INFORMATION .................69 7.1 DIAGNOSIS....................69 7.1.1 DISASSEMBLY ..................69 7.1.2 CONNECTOR FUNCTION DESCRIPTION ..........73 7.2 PARTS ......................74 7.2.1 IC.......................74 7.2.2 DISPLAY ....................77 7.3 EXPLANATION .....................78 7.3.1 SYSTEM BLOCK DIAGRAM..............78 7.3.2 OPERATIONAL FLOW CHART ..............81 7.4 CLEANING ....................82 8. OPERATIONS......................83 FX-M8427ZT/UC...

  • Page 5: Specifications

    Image interference ...........45dB or more FX-M8427ZT/UC...

  • Page 6: Exploded Views And Parts List

    ( In the case of no amount instructions, apply as you think it appropriate.) - PACKING(FX-M8427ZT-91/UC) SECTION PARTS LIST Mark No. Description Part No. 1 Air Cap CHW1945 2 Air Cap CHW1948 3 Cover CEG1045 4 Polyethylene Bag CEG1174 5 Carton CHG4861 6 Contain Box CHL4861 FX-M8427ZT/UC...
  • Page 7 FX-M8427ZT/UC...

  • Page 8: Exterior

    2.2 EXTERIOR FX-M8427ZT/UC...
  • Page 9 90 Grille Unit CXB9134 41 Seal CNM7970 91 Knob Unit CXB9458 42 Seal CNM7971 92 Screw BMZ50P080FTC 43 Seal CNM8261 (FX-M8427ZT/UC) 44 Connector CNV7249 93 86211-48030-A CND1247 45 Lighting Conductor CNV7250 (FX-M8427ZT/UC) 46 Rubber CNV7323 94 Screw IMS26P060FTC 47 Rubber...

  • Page 10: Cd Mechanism Module

    2.3 CD MECHANISM MODULE UD321BR GEM1035 GEM1035 FX-M8427ZT/UC...
  • Page 11 83 Guide CNV6922 39 Frame CNC8947 84 Roller CNV6887 40 Belt CNT1086 85 Spring CBH2509 41 Gear CNV6886 86 Spring CBH2512 42 Gear CNV6316 87 Spring CBH2536 43 Gear CNV6317 88 Collar CNV6906 44 Gear CNV6318 45 Gear CNV6319 FX-M8427ZT/UC...

  • Page 12: Cassette Mechanism Module

    2.4 CASSETTE MECHANISM MODULE For grease application, refer to the service manual for CX-1011 (CRT2406). FX-M8427ZT/UC...
  • Page 13 35 Deck Unit EWM1043 36 Plug(CN251) CKS3540 37 Gathering PCB ENX1076 38 Motor Unit(M1) EXA1618 39 Motor EXM1035 40 Head Assy(HD1) EXA1594 41 Arm ENC1537 42 Screw JGZ20P025FNI 43 Bracket ENC1559 44 Chassis Unit EXA1636 45 Pinch Holder Unit EXA1608 FX-M8427ZT/UC...

  • Page 14: Block Diagram And Schematic Diagram

    CD5VON DECK UNIT CN252 CN353 CN251 AUDIO+B EQ AMP TAPE+B L-ch IC251 HA12216F L-ch CN254 MUTE MECHANISM MOTOR DRIVER STBY IC351 PA2020A CN255 MAIN LOAD MOTOR CN253 CN256 SENSOR UNIT Q101 REEL SENSE S101 S102 S103 LOAD MODE 70µs FX-M8427ZT/UC...
  • Page 15 21 22 14,15 9-13 MAIN UNIT 21 22 14,15 9-13 CN901 CDEJ CSEJ IC 901 LC75804W KEY CONTROLLER ILLCONT LCD DRIVER CN904 CN902 LEFT PCB VR901 PWR•VOL MATRIX LCD901 Q903 Q901 RIGHT PCB CN903 CN905 Q902 VR902 AUDIO•TUNE KEYBOARD PCB FX-M8427ZT/UC...

  • Page 16: 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 FM/AM TUNER UNIT FM(400Hz, 30%MOD):-24.2dBs AM(400Hz, 30%MOD):-12.0dBs Guide page Detailed page FM DIVERSITY SYSTEM CONTROLLER CN701 CD(1kHz):+4.0dBs TAPE(1kHz):-7.4dBs CN251 CN901 FX-M8427ZT/UC...
  • Page 17 Therefore, when replacing, be sure to use parts of are expressed as : identical designation. ← Symbol indicates a capacitor. ← No differentiation is made between chip capacitors and 0.022 R022 discrete capacitors. FX-M8427ZT/UC...
  • Page 18 FX-M8427ZT/UC...
  • Page 19 FX-M8427ZT/UC...
  • Page 20 FX-M8427ZT/UC...
  • Page 21 FX-M8427ZT/UC...

  • Page 22: Keyboard Unit

    3.3 KEYBOARD UNIT KEYBOARD PCB LEFT PCB SEEK•TRACK DOWN SEEK•TRACK UP CN804 FX-M8427ZT/UC...
  • Page 23 RIGHT PCB RACK UP FX-M8427ZT/UC...

  • Page 24: Cd Mechanism Module

    3.4 CD MECHANISM MODULE CONTROL UNIT PICKUP UNIT (SERVICE)(P9) RF AMP CN101 ACT/MOTOR DRIVER SPINDLE M1 CXB6007 LOADING/CARRIAGE M2 CXB8284 5V REGULATOR FX-M8427ZT/UC...
  • Page 25 SERVO CONTROL/DSP/DAC/LPF TC9495FP 16.934MHz SWITCHES: CONTROL UNIT S901 : HOME SWITCH..ON-OFF S902 : CLAMP SWITCH..ON-OFF S903 : DSCSNS SWITCH..ON-OFF S904 : 12EJ SWITCH..ON-OFF S905 : 8EJ SWITCH..ON-OFF The underlined indicates the switch position. CN701 CN351 FX-M8427ZT/UC...
  • Page 26 0.5µs/div. % CH1:RFO 7 CH1:MD 10µs/div. % CH1:RFO 500mV/div. 500mV/div. 500mV/div. 2ms/div. 0 CH2:TE 500mV/div. During "Play" During "Play" During "Tracking Open" Ref. : Ref. : Ref. : VREF VREF VREF Mode : Mode : Mode : Normal Normal Test FX-M8427ZT/UC...
  • Page 27 When "Eject" (8cm CD) When "Eject" (12 cm CD) Ref. : Ref. : Ref. : VREF Mode : Mode : Mode : Normal Normal Normal ) CH1:LOUT 2V/div. 200µs/div. ⁄ CH2:ROUT 2V/div. "Play" in 1kHz, 0dB Ref. : Mode : Normal FX-M8427ZT/UC...

  • Page 28: Cassette Mechanism Module

    C252 390P HA12216F MSOUT Fwd-L R281 0R0 R273 MSGV FIN(R) C251 390P VREF DOLBY B NR RIN(R) 120/70 R255 R296 NFI(R) HEAD ASSY EXA1594 TEST TAPE NCT-150 R257 (400Hz, 200nWb/m) R259 VR301 CCP1280 33K(B) C272 R1 CN251 -8.24dBs(300mV)±1dB CN353 FX-M8427ZT/UC...
  • Page 29 R373 load 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. FX-M8427ZT/UC...

  • Page 30: 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 CN251 CN901 FX-M8427ZT/UC...
  • Page 31 SIDE A ANTENNA CN701 FRONT FX-M8427ZT/UC...
  • Page 32 MAIN UNIT FX-M8427ZT/UC...
  • Page 33 SIDE B FX-M8427ZT/UC...

  • Page 34: Keyboard Unit

    4.2 KEYBOARD UNIT SIDE A KEYBOARD PCB FX-M8427ZT/UC...
  • Page 35 SIDE B KEYBOARD PCB CN904 CN804 CN905 FX-M8427ZT/UC...
  • Page 36 SIDE A RIGHT PCB SIDE B RIGHTT PCB CN903 SIDE A LEFT PCB SIDE B LEFT PCB CN902 FX-M8427ZT/UC...
  • Page 37 FX-M8427ZT/UC...

  • Page 38: Cd Mechanism Module

    4.3 CD MECHANISM MODULE CONTROL UNIT SIDE A DSCSNS 12EJ LOADING /CARRIAGE MOTOR SPINDLE MOTOR CN351 HOME PICKUP UNIT (SERVICE)(P9) FX-M8427ZT/UC...
  • Page 39 CONTROL UNIT SIDE B CLAMP FX-M8427ZT/UC...

  • Page 40: Cassette Mechanism Module

    SIDE B CN256 IC,Q R292 VR301 Q271 Q352 VR301 Q271 R284 R278 CN252 Q351 R276 R281 R277 IC251 IC251 R282 R404 R283 C404 C405 R403 C403 R402 C402 R401 C401 C310 C271 IC351 VR302 CN253 VR302 CN254 CN255 HEAD ASSY FX-M8427ZT/UC...
  • Page 41 SENSOR UNIT S101 LOAD S103 70µs S102 MODE L101 CN256 L102 CN253 Q101 REEL SENSE FX-M8427ZT/UC...

  • Page 42: Electrical Parts List

    HZU8R2(B2) Transistor 2SA1162 Diode HZU7R5(B3) Diode HZU8R2(B2) Transistor 2SC2712 Diode 1SS355 Transistor DTA114EU Transistor DTC114EU Diode HZU7R5(B3) Transistor IMX1 Diode HZU7R5(B3) Transistor DTC144TUA Diode HZU8R2(B3) Diode 1SS355 Transistor DTC144TUA Diode 1SS355 Transistor DTC144TUA Transistor 2SB1184F5 Diode DAP202K Transistor 2SB1185 FX-M8427ZT/UC...
  • Page 43 RS1/16S163J RS1/16S0R0J RS1/16S103J RS1/16S0R0J RS1/16S103J RS1/16S0R0J RS1/16S103J RS1/16S103J RS1/16S0R0J RS1/16S273J RS1/16S181J RS1/16S273J RS1/16S181J RS1/16S102J RS1/16S181J RS1/16S102J RS1/16S181J RS1/10S470J RS1/16S100J RS1/16S100J RS1/10S470J RS1/16S104J RS1/10S470J RS1/16S104J RS1/10S470J RS1/16S104J RS1/16S473J RS1/16S473J RS1/16S104J RS1/16S432J RS1/16S473J RS1/16S432J RS1/16S473J RS1/16S102J RS1/16S473J RS1/16S102J RS1/16S473J RS1/16S473J RS1/16S102J FX-M8427ZT/UC...
  • Page 44 RS1/16S681J RS1/16S103J RS1/16S102J RS1/16S473J RS1/16S0R0J RS1/16S473J RS1/16S102J RS1/16S472J RS1/16S102J RS1/16S393J RS1/16S473J RS1/16S102J RAB4CQ102J RS1/16S103J RS1/16S223J RS1/16S473J RAB4CQ102J RS1/16S681J RS1/16S681J RS1/16S681J RS1/16S101J RAB4CQ473J RS1/16S473J RS1/16S0R0J RS1/16S473J RS1/16S0R0J RAB4CQ473J RS1/16S103J RS1/16S102J RS1/10S221J RS1/16S104J RAB4CQ102J RS1/16S102J RS1/16S123J RS1/16S102J RS1/16S105J RS1/16S102J RS1/16S682J RS1/16S222J FX-M8427ZT/UC...
  • Page 45 RS1/4S1R5J CKSQYB102K50 RS1/16S471J CKSQYB102K50 RS1/16S471J CKSQYB102K50 RS1/16S105J CKSQYB102K50 RS1/10S361J CEAL220M6R3 RS1/16S3301D CKSRYB104K16 RS1/16S4301D CCSRCH270J50 RS1/4S2R2J CCSRCH270J50 RS1/16S471J CKSRYB104K16 RS1/16S105J CCSRCH471J50 RS1/16S102J CCSRCH471J50 RS1/16S2701D CEAL4R7M35 RS1/16S4301D CKSRYB473K50 RS1/16S103J CKSRYB102K50 RS1/16S103J CCSRCH220J50 RS1/4S1R5J CCSRCH220J50 RS1/4S1R5J CCSRCH220J50 RS1/16S223J CCSRCH220J50 RS1/16S103J 4.7µF/35V CCH1016 FX-M8427ZT/UC...
  • Page 46 CEAL100M16 CKSRYB472K50 CKSRYB472K50 100µF/10V CCH1402 CEAL100M16 CKSRYB473K50 CKSRYB472K50 CKSRYB102K50 CEAL2R2M50 CKSRYB103K50 CKSRYB102K50 CKSRYB103K50 CKSRYB103K50 CKSRYB103K50 CKSRYB103K50 CKSRYB392K50 CEAL101M6R3 CEAL100M16 CKSRYB103K50 CEAL100M16 CKSRYB103K50 CKSRYB103K50 CEAT101M10 CKSRYB103K50 CKSRYB103K50 CEAT100M50 2200µF/16V CCH1186 CKSRYB103K50 CKSRYB472K50 CCSQCH100J50 CKSRYB102K50 CKSQYB103K50 CEAL3R3M50 CKSRYB333K16 CEALNP1R0M50 CQMA683J50 CQMA333J50 FX-M8427ZT/UC...
  • Page 47 Lamp 8V 60mA CEL1746 RS1/8S180J Encoder(POWER/VOL) CSD1088 RS1/16S472J Encoder(TUNE/AUDIO CONTROL) CSD1087 RS1/16S103J CAW1722 CAPACITORS RESISTORS CKSRYB474K10 CKSRYB104K25 RAB4CQ102J CKSRYB104K25 RS1/16S102J CKSRYB104K25 RAB4CQ102J CCSRCH102J50 RS1/16S222J RS1/16S222J CCSRCH101J50 CCSRCH101J50 RS1/16S222J CKSRYB103K50 RS1/16S393J CKSRYB104K25 RS1/16S681J CKSRYB104K25 RAB4CQ102J RS1/16S471J CCSRCH101J50 CCSRCH101J50 RS1/16S103J CCSRCH101J50 RS1/16S223J FX-M8427ZT/UC...
  • Page 48 RS1/16S183J 10µF/10V CCH1349 RS1/16S123J CEV101M10 RS1/16S622J CKSRYB224K16 RS1/16S622J Unit Number Unit Number : EWM1043 RS1/16S113J Unit Name : Deck Unit RS1/16S752J RS1/16S102J MISCELLANEOUS RS1/16S221J RS1/16S221J HA12216F PA2020A RS1/16S221J RS1/16S221J Transistor 2SC4116 RS1/16S221J Diode 1SS355 RS1/16S221J Semi-fixed 33kΩ(B) CCP1280 RS1/16S102J FX-M8427ZT/UC...
  • Page 49 RS1/8S0R0J RS1/16S0R0J RS1/8S0R0J RS1/16S102J RS1/16S102J RS1/16S102J RS1/16S102J RS1/16S274J RS1/8S301J RS1/16S0R0J RS1/8S0R0J RS1/16S0R0J RS1/16S153J RS1/16S332J RS1/16S911J RS1/16S274J CAPACITORS CKSRYB391K50 CKSRYB391K50 CKSRYB391K50 CKSRYB391K50 CKSRYB103K50 CKSRYB103K50 CEH1R0M50 CKSRYB104K16 CKSRYB104K16 CKSRYB104K16 CKSRYB104K16 CKSRYB104K16 CKSQYB224K25 CKSRYB392K50 CKSRYB103K50 CKSRYB103K50 CKSQYB104K50 CKSRYB103K50 CKSRYB392K50 CKSRYB334K10 CKSRYB223K25 CKSRYB103K50 FX-M8427ZT/UC...

  • Page 50: Adjustment

    GGD1319 RSE ECU VTR Adapter M/L AMP SYSTEM cannot use GGD1317. Because, external connector is different from pioneer AMP and M/L AMP(PIO:24P-20P,M/L:25P-16P). Moreover, GGD1240 which is a previous jig cannot be used (Because the signal array is different). Therefore, when the head unit of the M/L AMP system is repaired, pioneer AMP system is used.
  • Page 51 SP Line AUI- AUI+ M/L AMP SYSTEM cannot use GGD1317. Because, external connector is different from pioneer AMP and M/L AMP(PIO:24P-20P,M/L:25P-16P). Moreover, GGD1240 which is a previous jig cannot be used (Because the signal array is different). Therefore, when the head unit of the M/L AMP system is repaired, pioneer AMP system is used.
  • Page 52 GGD1319 RSE ECU VTR Adapter M/L AMP SYSTEM cannot use GGD1317. Because, external connector is different from pioneer AMP and M/L AMP(PIO:24P-20P,M/L:25P-16P). Moreover, GGD1240 which is a previous jig cannot be used (Because the signal array is different). Therefore, when the head unit of the M/L AMP system is repaired, pioneer AMP system is used.
  • Page 53 SP Line (To DC Regulated Power Supply) M/L AMP SYSTEM cannot use GGD1317. Because, external connector is different from pioneer AMP and M/L AMP(PIO:24P-20P,M/L:25P-16P). Moreover, GGD1240 which is a previous jig cannot be used (Because the signal array is different).

  • Page 54: Audio, Tuner Adjustment

    Extention Cord GGD1121 DECK UNIT Pin2 VR301 VR302 VR561 IC601 CN251 Pin3 L-CH R-CH Meter(1) DOLBY B NR ADJUSTMENT Test Tape Adjustment Point Adjustment Method (Switch Position) NCT-150 VR301(Lch),VR302(Rch) mV Meter(1) : –8.24dBm(300mV)±1dB (400Hz,200nwb/m) (DOLBY NR Switch : OFF) FX-M8427ZT/UC...
  • Page 55 AM NOISE CANCELER ADJUSTMENT Connection: Output 2-signal pad AM dummy Noise meter FX-M8427ZT/UC Pulse generator (equivalent to HP8011A) Setting of the pulse generator (setting of superimposed pulse) Pulse width :50usec 4Vp-p(EMF) Pulse intervals :5msec 50us Pulse voltage :4Vp-p Adjustment: 1. Setting of SSG...

  • Page 56: Test Mode

    CDS error messages CH.4 + TUNE DOWN on diagnosis To CDS test mode DISC + TUNE UP on diagnosis CDCH error messages CH.3 + TUNE DOWN on diagnosis To CDCH test mode CH.3 + TUNE UP on diagnosis FX-M8427ZT/UC...

  • Page 57: Cd Adjustment

    • This equipment will not guarantee the load ejection operation when the mechanical unit is turned upside down. In particular, if the ejection operation is incor- rectly performed and recovery is disabled, the recov- ery is enabled by resetting a product or turning ACC off to on. FX-M8427ZT/UC...
  • Page 58 SPDL 1X/2X switching (Double-speed compatibility only) *6) Only at the time of CRG move or 100TR jump Error rate measurement F.AGC T.AGC RF AGC F.Bias TRK/MIN/SEC Gain Gain Gain F.Mode switching/T.CLS/CRG,TR Jump switching *8) CRG motor voltage = 2 [V] FX-M8427ZT/UC...

  • Page 59: Checking The Grating After Changing The Pickup Unit

    Because of eccentricity in the disc and a slight misalignment of the clamping center the grating waveform may be seen to "wobble" ( the phase difference changes as the disc rotates). The angle specified above indicates the aver- age angle. • Hint Reloading the disc changes the clamp position and may decrease the "wobble". FX-M8427ZT/UC...
  • Page 60 Ech → Xch 20mV/div, AC Grating waveform Fch → Ych 20mV/div, AC 0° 30° 45° 60° 75° 90° FX-M8427ZT/UC...

  • Page 61: Error Code

    Remarks: Mechanical errors are not displayed (because a CD is turned off in these errors). Unreadable TOC does not constitute an error. An intended operation continues in this case. Upper digits of an error code are subdivided as shown below: 1x: Setup relevant errors, 3x: Search relevant errors, Ax: Other errors. FX-M8427ZT/UC...
  • Page 62 Sub-code was unreadable for 500 msec. → Damages/stains on disc, vibrations or failure on servo. Electricity Sound skipping detected. Last address memory function was activated. → Damages/stains on disc, vibrations or failure on servo. Note: Mechanical errors during aging are not displayed. FX-M8427ZT/UC...
  • Page 63 Focus slips off. Lock check start Focus slips off. Lock is being checked Focus slips off. Subcode check start Focus slips off, spindle lock is not performed. Subcode is being checked Focus slips off, no subcode can be read. FX-M8427ZT/UC...
  • Page 64 3) When a Protection Error Occurred (A) Error display ((A)←→(B) : 4 key) display example xx xx' xx" 43 43' 43" (B) Error occurrence timing display in track No. and Error occurrence timing display in absolute time. TNO. Min Sec 10 40' 05" FX-M8427ZT/UC...

  • Page 65: Avc-Lan Diagnosis Mode

    6.7 AVC-LAN DIAGNOSIS MODE FX-M8427ZT/UC...
  • Page 66 FX-M8427ZT/UC...
  • Page 67 FX-M8427ZT/UC...
  • Page 68 FX-M8427ZT/UC...

  • Page 69: General Information

    PCB is fragile. Fig.1 Removing the Frame (Fig.2) Remove the five screws and then remove the Frame. Frame Fig.2 Removing Chassis (Fig.3) Remove the ten screws and then remove the Chassis. Chassis Fig.3 FX-M8427ZT/UC...
  • Page 70 Cassette Mechanism Module Remove the four screws and then remove the Cassette Mechanism Module. Fig.4 Removing the Main Unit (Fig.5) Straight the tabs at three locations indicated. Remove the two screws and then remove the Main Unit. Main Unit Fig.5 FX-M8427ZT/UC...
  • Page 71 3. Shift the Guide Arm Assy to the left and slowly rotate Assy it to the upper direction. 4. When the Guide Arm Assy rotates approximately 45 degree, shift the Assy to the right side direction and remove it. Spring FX-M8427ZT/UC...
  • Page 72 Feed Screw Guide (The pawl is located inside the guide). 3. Remove the belt from the Pulley, then remove the Pickup unit. Pulley Cover (Caution) Make sure not to stain the belt with grease when you fix the belt. Feed Screw Guide Grease Application FX-M8427ZT/UC...

  • Page 73: Connector Function Description

    7.1.2 CONNECTOR FUNCTION DESCRIPTION FX-M8427ZT/UC...

  • Page 74: Parts

    RSE output inhibit output (Not used) RSEMUTE RSE mute output SYSMUTE1 O System mute output SYSMUTE2 O RSE system mute output CLCONT Driver input select output SWVDD Keyboard unit power supply control output AMPMUTE O AVC-LAN mute output ADIM ADIM information input FX-M8427ZT/UC...
  • Page 75 A VCC A/D converter power supply terminal Not used * PD5772A IC's marked by * are MOS type. Be careful in handling them because they are * S-812C56AUA-C3K very liable to be damaged by electrostatic induction. * S-80835CNUA-B8U Reference Voltage FX-M8427ZT/UC...
  • Page 76 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. FX-M8427ZT/UC...

  • Page 77: Display

    7.2.2 DISPLAY - LCD(CAW1722) FX-M8427ZT/UC...

  • Page 78: Explanation

    7.3 EXPLANATION 7.3.1 SYSTEM BLOCK DIAGRAM +B, ACC SPEAKER Except FL AMPLIFIER NAVI GM-8337ZT/E OTHER MAKERS FL(or FR) FX-M8427ZT/UC AVC-LAN OTHER MAKERS REMOTE Video CONTROL L / R Rear Disp and SDVD Video RSE ECU AVC-LAN OTHER MAKERS OTHER MAKERS...
  • Page 79 +B, ACC SPEAKER Except FL AMPLIFIER NAVI GM-8337ZT/E OTHER MAKERS FX-M8427ZT/UC AVC-LAN OTHER MAKERS +B, ACC SPEAKER AMPLIFIER GM-8337ZT/E FX-M8427ZT/UC FX-M8427ZT/UC...
  • Page 80 +B, ACC SPEAKER AMPLIFIER GM-8337ZT/E FX-M8427ZT/UC REMOTE CONTROL L / R Rear Disp and SDVD Video RSE ECU AVC-LAN OTHER MAKERS OTHER MAKERS +B, ACC INFRARED HEAD PHONE VTR Adapter OTHER MAKERS FX-M8427ZT/UC...

  • Page 81: Operational Flow Chart

    Power ON VCC=5V Pin 62 VDD=5V Pin 16 bsens Pin 75 BSENS=L asens Pin 73 ASENS=L SWVDD←H Pin 55 IPPW←H Pin 22 SYSPWR←H Pin 43 Source keys operative Source ON Completes power-on operation.(After that, proceed to each source operation.) FX-M8427ZT/UC...

  • Page 82: 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 CD pickup lenses Cleaning liquid : GEM1004 Cleaning paper : GED-008 Portions to be cleaned Cleaning tools Cassette heads Pinch rollers Cleaning paper : GED-008 Capstans FX-M8427ZT/UC...

  • Page 83: Operations

    8. OPERATIONS FX-M8427ZT/UC...
  • Page 84 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 C PIONEER CORPORATION 2003 K-ZZU. JAN. 2003 Printed in Japan...

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