Pioneer XR-MT3 Service Manual

Stereo cd receiver

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Service manual (61 pages)

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STEREO CD RECEIVER

XR-MT3

THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).

Model

Type

XR-MT3

KUCXCN

MYXCN

NVXCN

DBDXCN

DLXCN/NC

¶ System Component Table

Component

STEREO CD RECEIVER SYSTEM

STEREO CD RECEIVER

SPEAKER SYSTEM

CONTENTS

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

2. EXPLODED VIEWS AND PARTS LIST ................. 4

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ... 10

4. PCB CONNECTION DIAGRAM ........................... 22

5. PCB PARTS LIST ................................................ 32

6. ADJUSTMENT ..................................................... 37

PIONEER CORPORATION

PIONEER ELECTRONICS SERVICE, 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 2000

Power Requirement

AC120V

AC220-230V

AC230V

AC110-127V/220-230V/240V

Model

X-MT2000

KUCXCN

MYXCN,NVXCN

XR-MT3

S-MT3W

S-MT3H

4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan

The voltage can be converted by

the following method.

–––––

With the voltage selector

Service

manual

RRV2342

DBDXCN

DLXCN/NC

XR-MT3

RRV2343

S-MT3

S-MT3-N

RRV2344

7. GENERAL INFORMATION ................................ 41

7.1 DIAGNOSIS .................................................. 41

7.1.1 TROUBLE SHOOTING ........................ 41

7.1.2 DISASSEMBLY/ASSEMBLY ................ 45

7.2 PARTS .......................................................... 53

7.2.1 IC .......................................................... 53

7.2.2 DISPLAY ............................................... 55

7.3 REMOTE CONTROL UNIT .......................... 56

8. PANEL FACILITIES AND SPECIFICATIONS .... 58

T – IZK JULY 2000 Printed in Japan

ORDER NO.

RRV2343

Remarks

This manual.

Table of Contents

Summary of Contents for Pioneer XR-MT3

Page 1 PIONEER 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 EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 2000 T –...
Page 2: Safety Information
The use of a substitute replacement component which does Leakage 0.5mA current Device not have the same safety characteristics as the PIONEER tester under recommended replacement one, shown in the parts list in test this Service Manual, may create shock, fire, or other hazards.
Page 3 XR-MT3 IMPORTANT THIS PIONEER APPARATUS CONTAINS LASER OF CLASS 1. SERVICING OPERATION OF THE APPARATUS S H O U L D B E D O N E B Y A S P E C I A L L Y INSTRUCTED PERSON.
Page 4: Exploded Views And Parts List
XR-MT3 2. EXPLODED VIEWS AND PARTS LIST • NOTES: Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. • mark found on some component parts indicates the importance of the safety factor of the part.
Page 5 XR-MT3 (1) EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. Direct Access Knob Set 510PMT109010 AMP PCB Assy AUD-PMT1E Side Panel-L 600PMT117001 Screw BBZ30P060FMC Side Panel-R 600PMT118001 Screw KBZ30P060FNI Bottom Tray 600PMT121000 Screw BBZ30P140FMC...
Page 6 XR-MT3 (2) CONTRAST TABLE XR-MT3/KUCXCN, MYXCN, NVXCN, DBDXCN and DLXCN/NC are constructed the same except for the following : Part No. Mark No. Symbol and Description KUCXCN MYXCN NVXCN DBDXCN DLXCN/NC DISPLAY PCB Assy DIP-PMT1E DIP-PMT1E-E DIP-PMT1E-E DIP-PMT1E-DL DIP-PMT1E-DL POWER PCB Assy...
Page 7 XR-MT3...
Page 8 XR-MT3 2.2 CD MECHA. SECTION 14 12...
Page 9 XR-MT3 • CD MECHA. SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. Assy Chassis 45-093-4256 Assy Motor DRW S 45-093-4239 Drawer 2 45-264-3278 Spring 01-080-4541 Spring 01-082-4643 Assy Holder L 45-093-3241 Assy Holder R3B 45-093-3296...
Page 10: Block Diagram And Schematic Diagram
XR-MT3 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM TUNER PCB ASSY HP JACK PCB ASSY CD MECHA. PICKUP (PH) ASSY Spindle Carriage Drawer PHONES Motor Motor Motor FE101 CN102 (FM) (16P) CN204 (4P) (FM) ANTENNA CN101 (16P) (6P)
Page 11 XR-MT3 : AUDIO SIGNAL ROUTE (RF/CD) : AUDIO SIGNAL ROUTE (TUNER) (AM) : AUDIO SIGNAL ROUTE (AM) (FM) : AUDIO SIGNAL ROUTE (FM) (AU) : AUDIO SIGNAL ROUTE (AUX) (PH) : AUDIO SIGNAL ROUTE (PHONES) TERMINAL/JACK PCB ASSY IC901 CN203...
Page 12 XR-MT3 3.2 OVERALL WIRING DIAGRAM PICKUP ASSY 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 AM ANT FM ANT FM ANT HP JACK PCB 3 4 5 6 7 8 9 10 11 12 13 14 15 16...
Page 13 XR-MT3 Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST". TERMINAL/JACK PCB ASSY AUX IN (JK--PMT1E) SUBWOOFER AUX OUT J201 1 2 3 4 5 6 7 8 9 10 11 12 13...
Page 14 XR-MT3 3.3 TUNER PCB ASSY CN102 KUCXCN, DBDXCN, DLXCN/NC : 118-040102-002A CN101 MYXCN, NVXCN : 118-030401-000A 118-040102-002A R412 042-104511-000A (AM) (FM) (FM) CN11 136-14PMT1-B00J C184 L108 (AM) (FM) C180 019-000107-006A 0.01 (FM) C288 012-007840-010A (AM) KV1561A-2 2.2K 012-006120-010A CN206 135-006116-160J...
Page 15 XR-MT3 560P (FM) (FM) 6.8K 019-000107-006A 012-000120-010A 5.6K 3.3K 5.6K (AM) 3.3K 012-000120-010A 2.2K C128 2.2K 5.6K 5.6K IC101 010-101837-060A (LA1837L) (FM) (AM) C284 012-002240-010A 2SC1815 4.7K C285 5.6K 019-000450-012A 012-7NF803-0007A C282 008-618150-000A 009-604332-000A 2.2K 008-685500-000A 2.2K 018-010014-000A 011-010051-120A 4.7K...
Page 16 XR-MT3 3.4 CD SERVO PCB ASSY BA4558N-HT 037-003534-100 020-001693-000A 2.2M 010-849284-000A (TC9284BF) DECODER 135-006232-301J 4.7K 4.7K 1.5M 008-680500-000A 2SB562 136-045CD1-201J 2SC1815 4.7K 4.7K 3.3K 3.3K 136-08PMT1-250J...
Page 17 XR-MT3 CD SERVO PCB ASSY 008-68500-000A 018-010014-000A (CD--PMT1E) 100K 100K PICKUP VREF 010-832065-000A 135-TOCA16-160A (TA2065F) RF AMP. 100K 1.8K 2.2M 2.2K 220K 0.047 2.2K 4.7K MECHA 136-067238-205J 010-832092-000A (TA2092N) CARRIAGE : AUDIO SIGNAL ROUTE (RF/CD) MOTOR (HP) : AUDIO SIGNAL ROUTE (PHONES)
Page 18 XR-MT3 3.5 AMP PCB, TERMINAL/JACK PCB, POWER PCB and HP JACK PCB ASSYS CN13 CN206 008-801144-000A 136-03189D-200J 135-006116-160J DTC114ES (HP) (HP) (HP) MTZJ5.1B MTZJ5.1B MTZJ4.7B 4.7/50 SELECTOR 4.7/50 (AU) MTZJ9.1B AMP PCB ASSY (AUD-PMT1E) CN203 008-801144-000A IC301 050-140060-200J 010-400009-001A 008-801144-000A...
Page 19 XR-MT3 (AU) : AUDIO SIGNAL ROUTE (RF/CD) : AUDIO SIGNAL ROUTE (AUX) (HP) : TUNER SIGNAL ROUTE : AUDIO SIGNAL ROUTE (PHONES) HP JACK PCB ASSY (HP) (HP) (HP) 116-008020-000 135-2001WR-040J 118-000134-001A IC251 MTZJ5.1B 010-554141-000A (STK4132) 128-122125-000A 018-010016-202A 011-024001-00A R300...
Page 20 XR-MT3 3.6 DISPLAY PCB ASSY DISPLAY PCB ASSY (KUCXCN : DIP-PMT1E) (MYXCN, NVXCN : DIP-PMT1E-E) (DBDXCN, DLXCN/NC : DIP-PMT1E-DL) LED401-LED403 : 110-033045-013A 135-FESTVK-240J R135 SW401-SW415 : 021-114165-000A 110-033040-013A C501 135-TOCB17-171J 110-033045-013A...
Page 21 XR-MT3 115-000920-000A IC401 LC87F65C8A-QIP SYSTEM CONTROL IC R462 111-000638-000A 020-000800-000A 009-332768-100A DISPLAY PSB ASSY S401 : STOP 7 S402 : PLAY 3 8 S403 : BASS/TREBLE S404 : STANDBY/ON KUCXCN,MYXCN,NVXCN S405 : ENTER 2SC1815 ONLY Q406 S406 : TIMER S407 : DISPLAY/CLOCK...
Page 22: Pcb Connection Diagram
XR-MT3 4. PCB CONNECTION DIAGRAM NOTE FOR PCB DIAGRAMS : Part numbers in PCB diagrams match those in the schematic diagrams. The parts mounted on this PCB include all necessary parts for several destinations. For further information for respective destinations, be sure to check with the schematic diagram.
Page 23 XR-MT3 R182 T105 T106 C156 W245 C144 C180 FE101 L107 R151 C187 C125 C185 C157 R153 IC101 C142 R124 R150 W246 C126 C128 C170 C105 C167 C127 R129 R166 C140 W226 C129 C166 R128 R165 C137 R125 C186 C131 R167...
Page 24 XR-MT3 4.2 CD SERVO PCB and HP JACK PCB ASSYS CD SERVO PCB ASSY CD MECHA. CD+9V GNDM GNDM VREF GNDCD CARRIAGE MOTOR, PICKUP GNDCD DRAWER CD+5V ASSY GNDCD MOTOR GNDCD SERVO BOARD GNDCD PMT-1-01-03 CD+9V DRAW+ GNDM DRAW- CARR-...
Page 25 XR-MT3 CD SERVO PCB ASSY CD+9V GNDM GNDM GNDCD 48 45 GNDCD CD+5V GNDCD GNDCD SERVO BOARD GNDCD PMT-1-01-03 CD+9V GNDM DRAW+ DRAW- C60 R53 CARR- CARR+ CD+5V CD+9V GNDCD SIDE B...
Page 26 XR-MT3 4.3 AMP PCB ASSY R292 Q260 W252 W258 W259 AMP PCB ASSY R290 SN204 CN20 R229 PWRCTRL W201 PMT1-01-02 AGND W209 W213 DGND DGND R220 +31V PGND -31V C233 D201 C212 IC201 W214 C203 W212 AGND C223 C226 C216...
Page 27 XR-MT3 CN207 R255 C270 C269 C268 C267 Q260 C259 R278 Q265 R271 C280 R279 R280 R281 R269 R266 C264 R272 C265 CN204 R249 R265 PWRCTRL R259 C261 R251 AGND DGND +31V L253 PGND -31V C262 RL251 R287 R295 C276 R296...
Page 28 XR-MT3 4.4 POWER PCB ASSY CN11 POWER PCB ASSY PMT1-01-06 TRANSFORMER PMT1-01-07 RECTIFIER BOARD +TUNER8V +CD8V W318 +M8V UNREG+ +MCU8V UNREG+ P CLT D306 CLK CLT D307 IC308 AC 3.8V C302 AC 3.8V D310 RELAY B+ -24V W302 D GND...
Page 29 XR-MT3 ANSFORMER BOARD YELL YELLOW ORAN ORANGE TF303 SW301 SW302 DANGER PRIMARY W307 W306 C316 RL301 R308 F306 AC IN SIDE A...
Page 30 XR-MT3 4.5 TERMINAL/JACK PCB ASSY TERMINAL/JACK PCB ASSY C912 C920 R938 C908 Q905 R947 R937 R920 Q913 C934 R910 C907 R957 IC902 R922 R929 C902 R909 J901 IC901 R939 C911 R908 D901 R925 R904 R961 W901 Q903 R914 R946 R924...
Page 31 XR-MT3 4.6 DISPLAY PCB ASSY Q406 IC401 DISPLAY PCB ASSY DISPLAY BOARD CN15 D403 RA404 W434 RA406 RA405 W411 R436 D402 Q406 W412 R419 W413 R418 C421 FWD SW W414 R414 RVS SW R461 O/C SW W404 W415 D401 1 NC...
Page 32: Pcb Parts List
XR-MT3 Mark No. Description Part No. Mark No. Description Part No. 5. PCB PARTS LIST • NOTES: Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. • mark found on some component parts indicates the importance of the safety factor of the part.
Page 33 Not used 110-033041-003A Not used R445 RD1/4PU473J RD1/4PU473J Not used R446 RD1/4PU473J Not used RD1/4PU473J PCB PARTS LIST FOR XR-MT3/KUCXCN UNLESS OTHERWISE NOTED Mark No. Description Part No. Mark No. Description Part No. C101 CCCCH330J50 TUNER PCB ASSY C156 CEAT100M50...
Page 34 XR-MT3 Mark No. Description Part No. Mark No. Description Part No. CN206 FFC CONN SOCKET 16P 135-006116-160J RESISTORS FFC CONN 6232 30PINS 135-006232-300J RD1/4PM100J CN205 FFC CONN SOCKET 24P 135-FEBTVK-240J RD1/4PU101J CN207 FFC CONN SOCKET 17P 135-TOCB17-171J FEO,TEB,TEO (100kW) 002-104085-102A...
Page 35 XR-MT3 Mark No. Description Part No. Mark No. Description Part No. C204,C210,C211,C216,C225,C233 CEAT4R7M50 POWER PCB ASSY C206,R204,R205 CEAT4R7M50 C220 CEATR22M50 SEMICONDUCTORS C236,C237,C229 CGCYX104K25 C207,C209,C222-C224,C263,C280 CKCYB101K50 IC306–IC308 124-010010-002A (MICRO FUSE 251001 1A) C252,C254 CKCYB471K50 IC303,IC304 124-035010-000A C219,C232 CQMBA103J50 (MICRO FUSE #25103.5-TS2 3.5A)
Page 36 XR-MT3 Mark No. Description Part No. Mark No. Description Part No. HP JACK PCB ASSY SEMICONDUCTOR D105 1SS133 COIL L107 LAU100J CAPACITORS C287 CGCYX104M16 C280,C281 CKCYF103Z50 OTHERS P201 JP WIRE AWG26 80MM 051-675080-009J HP201 HEADPHONE JACK 116-008020-000 CN204 HEADER MOLEX 9 PINS...
Page 37: Adjustment
XR-MT3 6. ADJUSTMENT 6.1 CD SECTION CD ASSY is taken out according to the procedure of DISASSEMBLY. And, please adjust the part CD after connecting connectors. 6.1.1 PREPARATIONS (1) Jigs and Measuring Instruments CD TEST DISC screwdriver Precise screwdriver (YEDS-7)
Page 38 XR-MT3 6.1.2 Adjustment (1) Adjustment Locations CD ASSY SIDE A CD+9V GNDM GNDM (FOCUS OFFSET) VREF VREF (FOCUS BALANCE) GNDCD (TRACKING BALANCE) GNDCD CD+5V GNDCD GNDCD (TRACKING OFFSET) O BOARD GNDCD Fig. 1 Adjustment Locations...
Page 39 XR-MT3 (2) Check and Adjustment 1. Focus Offset (FEO) Adjustment FUNCTION : CD DC voltage 0 ± 10 mV CD in stop mode Focus Offset Oscilloscope DC Mode V : 50mV/div H : 1mSec/div START Player Probe VREF CD ASSY 2.
Page 40 XR-MT3 3. Tracking Balance (TEB) Adjustment FUNCTION : CD (VREF) Keeps pushing the FF button. Track No. 1 of YEDS-7 TEST DISC PLAY Tracking Balance VC is made a center. A : B symmetry ADJ Oscilloscope DC Mode V : 100mV/div...
Page 41: General Information
XR-MT3 7.1 GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 TROUBLE SHOOTING 1. Troubleshooting 2. Cannot hear the sound of relay when power cord plug in Please Plug in POWER cord Can you hear the sound of Relay ? Is Power Supply of 5V...
Page 42 XR-MT3 3. Can you hear the sound of CD Changer 4. Tuner troubleshooting Mechanism or clamper movement when power cord plug in Are the pin 2 of IC5 and Have noise come out ? IC6 have 8V supply ? Check the corresponding 8V power supply.
Page 43 XR-MT3 5. CD troubleshooting • The total track number is incorrectly displayed Is MECHA ERROR displayed ? Do the CD head sled to the inner ? Please check 3P, 4P of CN4 and 9P, 11P of IC3. Open the CD tray by pressing "CD1/2/3 EJECT".
Page 44 XR-MT3 6. No audio signal come out on speaker Check the pins 9 (B) and 10 (A) of the IC201. Is the value is corrected according to Table 1 Please check the corres- ponding circuit and connec- tion. Do the corresponding Audio input...
Page 45: Disassembly/Assembly
XR-MT3 7.1.2 DISASSEMBLY/ASSEMBLY (1) Main Body Section × 2 STANDBY/ON OPEN/CLOSE × 2 × 2 Flat Blade Screwdriver Unook × 2 Tray Panel Set × 2 Drawer Side Panel L (Remove as well as Side Panel R) Unook Unhook Front Unit ×...
Page 46 XR-MT3 (2) CD MECHA. CAUTION • If Tray Panel Set is not detached when the CD MECHA. is repaired, the CD MECHA. cannot be removed from the main body of the product. When Drawer was not able not to open and shut by some something wrong's (The power supply does not enter, etc.)
Page 47 XR-MT3 Caution for Disassembly/Assembly of CD MECHA. 1. As for the distinction method of Carriage100, 200, and 300, Switch distinguishes the shape of the projection part on its back. 2. Please do not disassemble Assy Holder L, R and the inside of...
Page 48 XR-MT3 Drawer Disassembly of Ass'y Motor CRG S and Ass'y Motor DRW S ×2 ×2 Bottom Side ×3 Ass'y Motor CRG S Ass'y PC Board A Drawer Ass'y Motor DRW S ×2 Belt Belt Disconnect the Hook ×2...
Page 49 XR-MT3 Chassis Lever 2 Carriage 300 Bottom Side Lift up The loss of this gear is noted. Arm Stopper B Spring Ass'y Clamper S0 Disconnect the Hook Lifter Lifter Spring Belt Spring Ass'y Slider 2 Hook...
Page 50 XR-MT3 Disassembly of Carriage 100, 200 The loss of Bevel Gear is noted. Slider 1 Drawer Carriage 100 Carriage 200 The back of Drawer Hook Assembly of Carriage 100, 200 Hooks (Carriage 100 is No.1 carriage. Carriage 200 is No.2 carriage.)
Page 51 XR-MT3 • Notes of procedure FRONT side Hang Carriage only here of Pinion. Carriage 200 is lightly lifted by the finger. When Carriage 100 drops below, Carriage 200 is lightly lifted by the finger. Note : Lift it horizontally when you lift Carriage.
Page 52 XR-MT3 Assembly of Drawer and Chassis Its right side is slowly lowered up to the angle by which Bevel The following work is done before Drawer is put on Chassis. Gear can do in the slide while doing Drawer back and forth by (1) It is confirmed that Carriage 300 is clamped, and Clamper has about 5mm.
Page 53: Parts
XR-MT3 7.2 PARTS 7.2.1 IC • The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams. LC876564 (DISPLAY CONTROL ASSY : IC401) • System Control IC • Pin Function −...
Page 54 XR-MT3 l l o l l o l l o − l l o l l o l l o l l o l l o l l o l l o − − − − − d i l...
Page 55: Display
XR-MT3 7.2.2 DISPLAY 115-000920-000A (HNA-09SS20) (DISPLAY CONTROL ASSY : LCD401) • FL DISPLAY Anode Connection Pin Connection...
Page 56: Remote Control Unit
X-MT3 7.3 REMOTE CONTROL UNIT 7.3.1 SCHEMATIC DIAGRAM...
Page 57 X-MT3 7.3.2 PCB DIAGRAM Display LED801 Power /Clock Power Open/Close Snooze Sleep Timer Dimmer Mono Tuner Menu Zoom Title Mute Play/ Pause Play Mode Enter -> <- Stop CD 1 Disply CD 2 Repeat CD 3 A <> B 10/0 Clear On/Off Subtitle Prog...
Page 58: Panel Facilities And Specifications
XR-MT3 8. PANEL FACILITIES AND SPECIFICATIONS 8.1 PANEL FACILITIES Front Panel 10 1 / 4 / TUNING – – When using the CD CD SELECT 1 / 2 / 3 – Use to select CDs, and start playback if there's a disc loaded. Also player, use to scan backwards, or skip back switches the system on if it was in standby.
Page 59 XR-MT3 Display 7 8 9 DISC ALL SINGLE RPT RDM PGM 1 2 3 Current disc indicator – Shows the current disc (blinks when paused). ALL – Lights in All disc play mode (all CDs loaded will play). SINGLE – Lights in Single disc play mode (only the currently selected disc will play).
Page 60 XR-MT3 Remote Control Unit POWER (STANDBY/ON) – Press to switch the unit on or into standby. DISPLAY/CLOCK – Press to change the informa- tion shown in the display. DIMMER – Use to change the brightness of the DISPLAY /CLOCK display.
Page 61 XR-MT3 8.2 SPECIFICATIONS Stereo CD Receiver: Stereo CD Receiver: Amplifier Section Amplifier Section X-MT2000 (U.S. and Canadian models) Continuous Power (RMS) ......... 20 W + 20 W (1 kHz, THD 10%, 8 Ω) Continuous Average Power Output is 12.5 Watts* per channel, min., at 8 ohms from 60 Hertz to 15,000 Hertz,...
Page 62: Table Of Contents
PIONEER 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 EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 2000 T –...
Page 63 XR-MT3 2.2 CD MECHA. SECTION 14 12...
Page 64 XR-MT3 7.1.2 DISASSEMBLY/ASSEMBLY (1) Main Body Section × 2 STANDBY/ON OPEN/CLOSE × 2 × 2 Flat Blade Screwdriver Unook × 2 Tray Panel Set × 2 Drawer Side Panel L (Remove as well as Side Panel R) Unook Unhook Front Unit ×...
Page 65 XR-MT3 (2) CD MECHA. CAUTION • If Tray Panel Set is not detached when the CD MECHA. is repaired, the CD MECHA. cannot be removed from the main body of the product. When Drawer was not able not to open and shut by some something wrong's (The power supply does not enter, etc.)
Page 66 XR-MT3 Caution for Disassembly/Assembly of CD MECHA. 1. As for the distinction method of Carriage100, 200, and 300, Switch distinguishes the shape of the projection part on its back. 2. Please do not disassemble Assy Holder L, R and the inside of...
Page 67 XR-MT3 Drawer Disassembly of Ass'y Motor CRG S and Ass'y Motor DRW S ×2 ×2 Bottom Side ×3 Ass'y Motor CRG S Ass'y PC Board A Drawer Ass'y Motor DRW S ×2 Belt Belt Disconnect the Hook ×2...
Page 68 XR-MT3 Chassis Lever 2 Carriage 300 Bottom Side Lift up The loss of this gear is noted. Arm Stopper B Spring Ass'y Clamper S0 Disconnect the Hook Lifter Lifter Spring Belt Spring Ass'y Slider 2 Hook...
Page 69 XR-MT3 Disassembly of Carriage 100, 200 The loss of Bevel Gear is noted. Slider 1 Drawer Carriage 100 Carriage 200 The back of Drawer Hook Assembly of Carriage 100, 200 Hooks (Carriage 100 is No.1 carriage. Carriage 200 is No.2 carriage.)
Page 70 XR-MT3 • Notes of procedure FRONT side Hang Carriage only here of Pinion. Carriage 200 is lightly lifted by the finger. When Carriage 100 drops below, Carriage 200 is lightly lifted by the finger. Note : Lift it horizontally when you lift Carriage.
Page 71 XR-MT3 Assembly of Drawer and Chassis Its right side is slowly lowered up to the angle by which Bevel The following work is done before Drawer is put on Chassis. Gear can do in the slide while doing Drawer back and forth by (1) It is confirmed that Carriage 300 is clamped, and Clamper has about 5mm.
Page 72 PIONEER 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 EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 2000 T –...
Page 73 Therefore, when replacing, be sure to use parts of identical designation. Screws adjacent to mark on product are used for disassembly. 1.1 PACKING 12,13 7(2/2) SPEAKER SYSTEM XR-MT3 SIDE FRONT (1) PACKING PARTS LIST 7(1/2) Mark No. Description Part No.
Page 74 PIONEER 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 EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 2000 T–ZZK JULY 2000 Printed in Japan...
Page 75 S-MT3W, S-MT3H, S-MT3, S-MT3-N PARTS LIST NOTES : Parts marked by “ NSP ” are generally unavailable because they are not in our Master Spare Parts List. mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation.
Page 76 S-MT3W, S-MT3H, S-MT3, S-MT3-N PRODUCT APPEARANCE • S-MT3W Part name Num. Remarks Speaker Grille Screw Cable Catch Non Skid Pad • S-MT3H, S-MT3 and S-MT3-N Part name Num. Remarks Speaker Grille Screw Cable Catch...

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