JVC MX-G70 Service Manual
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JVC MX-G70 Service Manual

Compact component system
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See also: Instruction Manual
SERVICE MANUAL
COMPACT COMPONENT SYSTEM
Contents
Safety precautions
Important for laser products
Warnings and Cautions
Preventing static electricity
Importance administering
point on the safety
Disassembly method
STANDBY/ON
STANDBY
CD-R / RW PLAYBACK
MX-G70
SP-MXG70
CA-MXG70
1-2
1-3
1-3
1-4
1-5
1-6
COPYRIGHT
2001 VICTOR COMPANY OF JAPAN, LTD.
PLAY & EXCHANGE
SP-MXG70
until TOC read
MX-G70
Area Suffix
J
U.S.A.
C
Canada
1-26
1-30
1-31
1-31
1-32
No.20920
Mar. 2001

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  • Page 1: Table Of Contents

    MX-G70 SERVICE MANUAL COMPACT COMPONENT SYSTEM MX-G70 Area Suffix U.S.A. Canada STANDBY/ON PLAY & EXCHANGE STANDBY CD-R / RW PLAYBACK MX-G70 SP-MXG70 SP-MXG70 CA-MXG70 Contents Safety precautions Adjustment method 1-26 Important for laser products Flow of functional operation Warnings and Cautions...

  • Page 2: Mx-G70

    MX-G70 1. This design of this product contains special hardware and many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits.
  • Page 3 MX-G70 Important for laser products 5.CAUTION : If safety switches malfunction, the laser is able 1.CLASS 1 LASER PRODUCT to function. 2.DANGER : Invisible laser radiation when open and inter 6.CAUTION : Use of controls, adjustments or performance of lock failed or defeated. Avoid direct exposure to beam.

  • Page 4: Attention When Traverse Unit Is Decomposed

    MX-G70 Preventing static electricity 1. Grounding to prevent damage by static electricity Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged, can destroy the laser diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs.
  • Page 5 MX-G70 Importance administering point on the safety F102 F101 F001 Caution: For continued protection against risk of fire, replace only with same type 5A/125V for F001, 6A/125V for F101 and F102. This symbol specifies type of fast operating fuse. Precaution: Pour eviter risques de feux, remplacez le fusible de surete de F001 comme le meme type que 5A/125V, et 6A/125V pour F101 et F102.
  • Page 6 MX-G70 Disassembly method Metal cover <Main body> Removing the metal cover (See Fig.1 to 3) Remove the six screws A on the back of the body. Remove the two screws B on both sides of the body. Remove the metal cover from the body by lifting the rear part of the cover.
  • Page 7 MX-G70 Front panel assembly Removing the CD changer mechanism assembly (See Fig.4 and 5) Prior to performing the following procedure, remove the metal cover. Disconnect the card wire from connector CN661 on the Main board. CD changer mechanism assembly Main board...
  • Page 8 MX-G70 Remove the four screws E on the bottom of the Front panel assembly body. Release the two joints a on the lower right and left sides of the body using a screwdriver, and remove the front panel assembly toward the front.
  • Page 9 MX-G70 Removing the tuner board Plastic rivet Tuner board (See Fig.11 and 12) Prior to performing the following procedure, remove Rear panel the metal cover and the CD changer mechanism assembly. Disconnect the card wire from connector CN1 on the tuner board on the right side of the body.
  • Page 10 MX-G70 Main board Removing the main board CN870 Front panel assembly (See Fig.16 and 17) CN871 CN315 Prior to performing the following procedure, remove the metal cover, the CD changer mechanism Amplifier board assembly, the rear panel and the tuner board.
  • Page 11 MX-G70 Removing the amplifier board / voltage Amplifier board Tie band CN704 board / heat sink (See Fig.19 and 20) CN706 Tie band Prior to performing the following procedure, remove the metal cover, the CD changer mechanism assembly and the rear panel.
  • Page 12 MX-G70 Transformer board Removing power transformer CN250 Tie band assembly (See Fig.21 and 22) CN220 Prior to performing the following procedure, remove the metal cover, the CD changer mechanism Voltage board assembly and the rear panel. Disconnect the wires from connector CN220 and Power cord CN250 on the transformer board.

  • Page 13: Front Panel Assembly

    MX-G70 Head amplifier <Front panel assembly> & Mechanism control board CN306 Prior to performing the following procedure, remove the metal cover, the CD changer mechanism assembly and the front panel assembly. Removing cassette mechanism assembly (See Fig.24) Disconnect the card wire from connector CN306 on the head amplifier &...
  • Page 14 MX-G70 Preset / tuning switch board Removing the preset / tuning switch board (See Fig.29 and 30) Prior to performing the following procedure, remove the display system control board. Pull out the preset knob on the front panel. Remove the five screws Q attaching the preset / tuning switch board.
  • Page 15 MX-G70 Removing the CD Servo control board (See Fig.1) 1.Remove the metal cover. 2.Remove the CD changer mechanism assembly. 3.From bottom side the CD changer mechanism assembly, remove the four screws A retaining the CD servo control CN854 board. 4.Absorb the four soldered positions "a" of the right and left motors with a soldering absorber.
  • Page 16 MX-G70 Stopper Check whether the lifter unit stopper has been caught into the hole at the section "e" of CD tray assembly as shown in Fig.5. Make sure that the driver unit elevator is positioned as shown in Fig.6 from to the second or fifth hole on the left side face of the CD changer mechanism assembly.
  • Page 17 MX-G70 Cams R1, R2 assembly Removing the CD loading mechanism assembly(See Fig.10) While turning the cams R1 and R2 assembly in the arrow direction "h" ,align the shaft "i" of the CD loading mechanism assembly to the position shown in Fig.10.

  • Page 18: See Fig

    MX-G70 Removing the try select switch board Chassis assembly (See Fig.14) Remove the two screws G retaining the tray select switch board. Tray select switch board Disconnect the tray select switch board from connector CN804 on the CD servo control board.
  • Page 19 MX-G70 Removing the actuator motor and belt Gear bracket (See Fig.18~21) Remove the two screws I retaining the gear bracket (See Fig.18). While pressing the pawl "t" fixing the gear bracket in the arrow direction, remove the gear bracket Pulley gear (See Fig.18).
  • Page 20 MX-G70 Removing the cams R1/R2 assembly Slit washer and cam gear q(See Fig.22) Cam R2 Slit washer Remove the slit washer fixing the cams R1 and R2 assembly. Cam gear q By removing the two pawls "w" fixing the cam R1, separate R2 from R1.

  • Page 21: Cassette Mechanism Section

    MX-G70 < Cassette mechanism section > Cassette mechanism Removing the playback,recording and eraser heads (See Fig.1~3) 1. While shifting the trigger arms seen on the right side of the head mount in the arrow direction,turn Flywheel R the flywheel R in counterclockwise direction until the head mount has gone out with a click (See Fig.
  • Page 22 MX-G70 Removing the head amp. and mechanism control board (See Fig. 4) 1.Remove the cassette mechanism assembly. Head amplifier & 2.After turning over the cassette mechanism mechanism control board assembly,remove the five screws "A" retaining the head amplifier & mechanism control board.
  • Page 23 MX-G70 Removing the capstan motor (See Fig. 8) Capstan motor From the joint bracket, remove the two screws "C" retaining the capstan motor. Joint bracket Removing the flywheel (See Fig. 9,10) 1.Remove the head amp. and mechanism control P.C.Board. 2.Remove the capstan motor assembly.

  • Page 24: Speaker Section

    MX-G70 < Speaker section > Attention which adheres to speaker box The speaker box of this model is a unit supply. Therefore, we do not supply it as individual parts though the method of disassembling the speaker box has been described.
  • Page 25 MX-G70 Remove the two screws D and E respectively. Remove the front cover toward the front and disconnect the yellow and black wires from the two Front cover tweeter speaker terminals. Removing the woofer speaker (See Fig.7) Prior to performing the following procedure, remove the side cover and the front cover.

  • Page 26: Adjustment Method

    MX-G70 Adjustment method Measurement instruments required for adjustment Radio input signal 1. Low frequency oscillator, AM modulation frequency : 400Hz This oscillator should have a capacity to output 0dBs Modulation factor : 30% to 600ohm at an oscillation frequency of 50Hz-20kHz.
  • Page 27 MX-G70 Arrangement of adjusting positions Cassette mechanism section (Mechanism A section) Cassette mechanism section (Back side) Head azimuth Head azimuth adjusting screw adjusting screw (Reverse side) (Forward side) Head azimuth Head azimuth Playback, recording and eraser adjusting screw adjusting screw...
  • Page 28 MX-G70 Tape recorder section Adjusting Items Measurement Standard Measurement method positions conditions values Adjust the head Confirmation Test tape Maximum 1.Playback the test tape TMT7036(10kHz). azimuth screw of head angle :TMT7036(10kHz) output 2.With the playback mechanism or recording & only when the...
  • Page 29 MX-G70 Electrical performance Adjusting Items Measurement Standard Measurement method positions conditions values Adjustment of AC-225 *Mode : Forward or 1.With the recording and playback mechanism, recording bias :4.20 A reverse mode load the test tapes(AC-225 to TYP ),and set the...

  • Page 30: Flow Of Functional Operation

    MX-G70 Flow of functional operation until TOC read Check Point Slider turns REST Play Key Power ON Confirm that the voltage at the pin5 SW ON. of CN801 is "H"\"L"\"H". Automatic tuning of TE offset Check that the voltage at the...

  • Page 31: Maintenance Of Laser Pickup

    MX-G70 Maintenance of laser pickup Replacement of laser pickup (1) Cleaning the pick up lens Before you replace the pick up, please try to Turn off the power switch and, disconnect the clean the lens with a alcohol soaked cotton power cord from the ac outlet.

  • Page 32: Description Of Major Ics

    MX-G70 Description of major ICs AN7345(IC302) PB/REC AMP 1. Block diagram NF1 OUT1 CTL1 RIN1 RNF1 ROUT1 REPPLE Source CTRL CTRL OUT2 EQ2 CTL2 RIN2 RNF2 ROUT2 2. Pin Function Symbol Function Symbol Function Power supply Playback amplifier input Ripple filter...
  • Page 33 MX-G70 BA15218F-XE (IC652) / BA15218N (IC481,501,502,526,546,571) : Dual op. amp. 1. Pin layout OUT1 1 8 Vcc -IN1 2 7 OUT2 +IN1 3 6 -IN2 VEE 4 5 +IN2 2. Block diagram OTHER Q114 OUTPUT 1-33...
  • Page 34 MX-G70 BA3126N(IC301) : R/P Switch LB1641 (IC851,IC852) : DC motor driver 1. Pin layout GND OUT1 P1 IN2 VCC1 VCC2 P2 OUT2 2. Pin function Input Output Mode OUT1 OUT2 Brake CLOCKWISE COUNTER-CLOCKWISE Brake 1-34...
  • Page 35 MX-G70 BA3835S (IC812) : SPI B.P.F. 1.Block Diagrams BIASC BIAS AOUT VREFC VREF REFERENCE RREF TEST CURRENT N.C. N.C. PEAK 105Hz HOLD N.C. N.C. PEAK 340Hz HOLD PEAK 1kHz DIFOUT HOLD PEAK 3.4kHz HOLD 10.5kHz PEAK HOLD 2.Pin Function Symbol Function Decoupling condenser connection terminal.
  • Page 36 MX-G70 BU2092/F(IC811):PORT EXPANDER 1.Terminal Layout DATA CLOCK CONTROL CIRCUIT 2.Pin Function Symbol Function Pin No. Connect to GND DATA Serial Data input CLOCK Shift Clock of Data Latch Clock of Data 5~16 Q0~Q11 Parallel Data Output Latch Data OUTPUT ON OFF...
  • Page 37 MX-G70 LA1838(IC1): FM AM IF AMP&detector, FM MPX decoder 1. Block Diagram DECODER RF.AMP ANIT-BIRDIE MUTE BUFF STEREO P-DET AM IF PILOT 384KHz COMP S-METER AM/FM S-CLRVE S-METER IF-BUFF TUNING STEREO DRIVE DRIVE FM IF 2. Pin Function Symbol Function...
  • Page 38 MX-G70 LA6541-X (IC801) : Servo driver 1. Pin Layout & block diagram Vref Vin4 Vin3 Level B T L B T L Level RESET shift driver driver shift Level B T L B T L Level Regulator shift driver driver...
  • Page 39 MX-G70 LC72136N (IC2) : PLL frequency synthesizer 1. Pin layout FM/AM LPFOUT LPFIN CLOCK FM/ST/VCO FMIN AM/FM AMIN IFCONT SDIN IFIN 2. Block diagram Phase Reference Detector Driver Charge Pump Swallow Counter Swallow Counter 1/16,1/17 4bit 1/16,1/17 4bit Unlock Detector...
  • Page 40 MX-G70 MN101C35DBC1(IC810) : System controller Pin function (1/2) Symbol Function Pin No. VC3 Serial data output KCMND VC3 status input MSTAT VC3 Serial clock KCLK SLC/TUNER data output DATAOUT TUNER data input DATAIN SLC/TUNER clock Not used Power supply +5V...
  • Page 41 MX-G70 Pin function (2/2) Symbol Function Pin No. FL segment control signal output 64~85 P22~P1 Tuner chip enable TUCE System mute SMUTE Skip LED SEARCH LE LED Control signal output (CD1) CD1 LED LED Control signal output (CD2) CD2 LED...
  • Page 42 MX-G70 MN662748RPM (IC651) : Digital servo & digital signal processor 1. Pin layout 20 ~ 41 ~ 2.Block diagram LRCKIN(MSEL) 8TIMES BCLK(SSEL) DIGITAL OVER SAMPLING OUTR SRDATAIN DE-EMPHSIS 1bit DIGITAL FILTER (PSEL) IOSEL LOGIC CLVS BLKCK OUTL CLDCK SBCK SUBC...
  • Page 43 MX-G70 3. Pin function Dymbol I/O Function Symbol I/O Function BCLK Not used Not used PLLF2 LRCK Not used TOFS Not used SRDATA WVEL Not used Not used Power supply (Digital) DVDD1 RF signal input DVSS1 Connected to GND IREF...
  • Page 44 MX-G70 STK402-050 (IC602) : Power amp. 1.Pin layout 2.Block diagram TR11 TR14 TR15 TR12 TR10 TR13 TR16 14 15 1-44...
  • Page 45 MX-G70 TDA7439 (IC436) : Control volume 1.Pin layout DIG GND TREBLE(R) AGND TREBLE(L) ROUT MIN(L) LOUT MOUT(L) R-IN4 BOUT(L) R-IN3 BIN(L) R-IN2 BOUT(R) R-IN1 BIN(R) L-IN1 MOUT(R) L-IN2 MIN(R) L-IN3 L-IN4 MUXOUTR MUXOUTL TDA7439 2.Block diagram L-IN1 SPEAKER LOUT MIDLE...
  • Page 46 MX-G70 VICTOR COMPANY OF JAPAN, LIMITED AUDIO & COMMUNICATION BUSINESS DIVISION PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.20920) 200103(V)

  • Page 47: Block Diagram

    MX-G70 Block diagram FMH- FMH-031-2 FMC-022/024-1 FMB-028-5 FMA-006 031-1 MAIN TUNER FM/DET MAIN HPF FM FRONTEND SOURCE SELECTOR RELAY AM/DET POWER AMP MAIN MUTE SYSTEM & E.VOL IC 1 IC602 IC481 IC436 TAPE VOLDA,VOKCK HARMONICS MW RF/OSC INPUT AMP SUB WOOFER...
  • Page 48 D254 T4AL 1SS133 CN209 WJK0070-002A D251 T002 D252 1SS133 QGB2510K2-04 1N4003 CN213 2SC2785 Q250 Q251 R250 2SC2235 QQT0253-002 3.3k MX-G70 J/C 0.33( 1/2W) R1002 T001 QQT0319-003 CN220 QGD2504C1-03Z CN214 MX-G70 QJK015-071214 CN250 MX-G70 F102 QGA7901C1-02 4A-250V MX-G70 F101 4A-250V MX-G70...
  • Page 49 MX-G70 DC regulation & Audio output section CN705 QGA2501C1-02 IC602 IC701 R786 KTC3200/GL/-T R675 C621 Q711 D726 1SS133 10/35V C605 C606 C706 R778 C705 R798 220P 220P R740 220P 220P D703 D704 Q713 Q737 2SC2235/OY/-T D622 KRA111M-T R736 Q612 Q736 MTZJ9.1B...
  • Page 50 MX-G70 SHEET 4/8 SHEET 4/8 Main section R998 CN870 CN871 QGF1205C1-17 QGF1205C1-17 J426 R997 GP1FA550TZ R995 R426 C427 D.OUT D426 Q999 10/25 KRA102M-T C426 MTZJ5.1B-T2 0.022 RECL C994 C1228 C401 R401 100/6.3 220P 470P RECR 220P C402 C888 0.022 D434...
  • Page 51 MX-G70 FL & System control section FW915 QUM027-18Z4Z4 S999 FL801 R970 S996 QLF0074-001 GPIU271X CD1LED IC951 S995 CD2LED CD3LED C836 10/25 S997 L-115XSRD-D-T R961 D962 L806 C817 22/50 QQR0779-001Z S998 QQL29BJ-100Z L805 C815 R998 L815 S964 QQL29BJ-100Z 22/50 CN911 L802...
  • Page 52 MX-G70 Front key section IC901 NJM4580L FW915 QUM027-18Z4Z4 C1068 0.22/50 S915 D1061 R1063 R1068 1SS133-T2 S916 R1062 C1066 Q919 Q920 Q918 330P R1069 S917 Q1061 2SD2144S/VW/-T 102P C1021 J1021 QNS0184-001 MTZJ2.4B-T2 QUM027-13DGZ4 D1022 R1021 FW901 4.7k JS901 QSW0911-001 S901 J1022...
  • Page 53 MX-G70 CD servo control section CN805 R887 CAM0 R886 CAM1 R871 R885 CAM2 R872 R884 CAM3 IC851 IC852 R873 LB1641 LB1641 R876 R883 CAM4 R882 CAM5 R875 R881 CAM6 R874 R880 CAM7 R281 R280 CN855 L853 QGB2012K2-10 L851 R855 R856...
  • Page 54 MX-G70 Head amplifier section IC331 IC332 SG-105F3-BB,C SG-105F3-BB,C D311 D302 1SR139-400-T2 1SR139-400-T2 R3205 R3208 Q3205 R3220 R3370 C3205 R3359 R3362 2SC3576-JVC-T R3368 100/10 IC301 BA3126N R3207 R3219 2.2K CN333 QGB2011L1-10 C3206 R3206 MSI-5U2LWA C3203 C3201 3.9K 820P 0.033 CN301 QGF1205F1-06...
  • Page 55 MX-G70 Tuner section 0.0039 0.47/50 0.0022 470P 0.047 22/16 0.27 1/50 0.047 22/16 10/16 0.001 10/16 100/10 1000P R8( D2) *C43 *C42 3.3K VCF2L3B-105Z LC72136N 1SS133-T2 LA1838 1SS133-T2 QNB0014-001 VCF2L3B-105Z 5.6K DTA114YKA-X QQR0793-001 150P 150P 150P 1/50 1.2K 0.022 QQR0796-002 0.047...
  • Page 56 MX-G70 Printed circuit boards Main board CN212 CN211 TW12 C578 C576 R582 IC571 C1229 Q573 R577 C530 C528 D502 D572 R575 R518 R528 C577 R537 C575 D501 R511 R534 C535 C507 R505 C503 R503 R532 R506 R508 R530 C504 IC526...
  • Page 57 MX-G70 Regulation & Amplifier board Regulation board Preset/tuning switch board FW901 Q901 Amplifier board R908 T001C C739 C716 R727 2-11...
  • Page 58 MX-G70 Front board Display & system control board Operation swicth board R1041 T001B Q1022 R233 C1043 T001B FW230 R234 CN880 R992 R1044 C838 R822 C1070 IC902 R968 IC811 L807 C1037 R912 C1034 D816 R911 D804 R896 R844 Q878 Q877 Q802...
  • Page 59 MX-G70 CD servo control boad C859 C860 Q842 C853 R855 IC851 R842 B654 D851 C254 C854 R856 R872 IC852 R873 R876 C855 R864 R875 R865 R874 R866 R863 C852 R862 R861 R892 R871 R888 R880 R893 R889 R881 R894 R890...
  • Page 60 MX-G70 Head amplifer & Mmechanism control board Tuner board 2-14...
  • Page 61 MX-G70 PARTS LIST [ MX-G70 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix J ----------------------------- U.S.A. C -------------------------- Canada - Contents - Exploded view of general assembly and parts list 3- 3...
  • Page 62 MX-G70 < M E M O >...

  • Page 63: Exploded View Of General Assembly And Parts List

    MX-G70 Exploded view of general assembly and parts list Block No. Tuner board Display system control board Voltage board CD servo Operation switch control board Preset / tuning board switch board Main board Amplifier Speaker terminal board board CD eject board...
  • Page 64 MX-G70 Parts list (General assembly) Parts list (General assembly) Block No. M1MM Block No. M1MM Item Parts number Parts name Q'ty Description Area Item Parts number Parts name Q'ty Description Area GV10057-001A FRONT PANEL QYSPST2606Z SCREW E75896-001 FELT SPACER VKW5187-001...
  • Page 65 MX-G70 Parts list (General assembly) Block No. M1MM Item Parts number Parts name Q'ty Description Area QYSBSGY3008E SPECIAL SCREW OPTICAL/R.PANEL GV10055-001A/S/ METAL COVER QYSDSG3006M T.SCREW M.COVER/C.BASE QYSBSGY3008E SPECIAL SCREW M.COVER/R.PANEL GV20106-005A CD FITTING DISC 1 GV20107-005A CD FITTING DISC 2...

  • Page 66: Cd Changer Mechanism Assembly And Parts List

    MX-G70 CD changer mechanism assembly and parts list Block No. C3BASE-1M Grease = EM-30L = EBS0006-009B = FL-7750 FIG B FIG C FIG C FIG B Opposite side the same. FIG A FIG A CAUTION The axes of each gear...
  • Page 67 MX-G70 Parts list (CD changer mechanism) Block No. M2MM Item Parts number Parts name Q'ty Description Area VKS1144-004 CHASSIS VKS3698-003 TRAY GUIDE VKS5532-003 PULLEY GEAR VKB3000-164 BELT VKS5505-003 GEAR B VKS5506-002 GEAR C VKS5507-002 CROSS GEAR U VKS5508-002 CROSS GEAR L...

  • Page 68: Cd Mechanism Assembly And Parts List

    MX-G70 CD mechanism assembly and parts list Block No. Grease & Bond = EBS0006-013B = 1401B Turn table hight EXL-M7TMB Parts list (CD mechanism) Block No. M3MM Item Parts number Parts name Q'ty Description Area E102731-221SM CD MECHA BASE A...

  • Page 69: Cassette Mechanism Assembly And Parts List

    MX-G70 Cassette mechanism assembly and parts list Block No. SLC-W101M Cassette switch board Head amplifier & mechanism control board...
  • Page 70 MX-G70 Parts list (Cassette mechanism) Block No. M4MM Item Parts number Parts name Q'ty Description Area VKS1165-00K MECHA CHASSIS VKR4749-003 IDLER PULLEY LV42026-001A SHAFT A MECHA VKH5786-003 SHAFT B MECHA VKS2274-002 REEL GEAR VKW5286-002 B.T. SPRING VKS5559-001 PLAY IDLE GEAR...
  • Page 71 MX-G70 Grease point =JC-525 Grease =UD-24 =LEN-320M =MOBIL-1 B mecha A mecha 3-11...
  • Page 72 MX-G70 Front view Rear view B - B (2/1) C - C (2/1) D - D (2/1) E - E (5/1) A - A (2/1, 2 places) (Dipping) 3-12...
  • Page 73 MX-G70 Electrical parts list (Regulator & amplifier board) Block No. 01 Item Remarks Item Parts number Parts name Remarks Area Parts number Parts name Area C 201 QFV72AJ-104Z MF CAPACITOR .10MF 5% 100V C 726 EETC1EM-106ZJC E CAPACITOR C 202...
  • Page 74 MX-G70 Electrical parts list (Regulator & amplifier board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area Q 240 KTC3199/GL/-T TRANSISTOR R 618 QRE141J-221Y C RESISTOR 220 5% 1/4W Q 371 2SB1274/RS/...
  • Page 75 MX-G70 Electrical parts list (Regulator & amplifier board) Block No. 01 Item Parts number Parts name Remarks Area R 776 QRE141J-102Y C RESISTOR 1.0K 5% 1/4W R 777 QRE141J-103Y C RESISTOR 10K 5% 1/4W R 778 QRE141J-103Y C RESISTOR 10K 5% 1/4W...
  • Page 76 MX-G70 Electrical parts list (Main board) Block No. 02 Item Parts number Parts name Remarks Area Item Remarks Parts number Parts name Area C 401 QCBB1HK-221Y C CAPACITOR 220PF 10% 50V C 586 QDXB1CM-182Y C CAPACITOR C 402 QCBB1HK-221Y C CAPACITOR...
  • Page 77 MX-G70 Electrical parts list (Main board) Block No. 02 Item Remarks Item Remarks Parts number Parts name Area Parts number Parts name Area Q 573 2SC2785/FE/-T TRANSISTOR R 531 QRE141J-153Y C RESISTOR 15K 5% 1/4W Q 585 KTC3199/GL/-T TRANSISTOR R 532...
  • Page 78 MX-G70 Electrical parts list (Front board) Block No. 03 Item Remarks Item Parts number Parts name Remarks Area Parts number Parts name Area C 233 QFVJ1HJ-104Z MF CAPACITOR .10MF 5% 50V D 860 1SS133-T2 SI DIODE C 308 EETC1HM-106ZJC E CAPACITOR...
  • Page 79 MX-G70 Electrical parts list (Front board) Block No. 03 Item Remarks Item Parts number Parts name Remarks Area Parts number Parts name Area Q 940 KTA1267/YG/-T TRANSISTOR R 851 QRE141J-102Y C RESISTOR 1.0K 5% 1/4W Q 941 KTA1267/YG/-T TRANSISTOR R 854...
  • Page 80 MX-G70 Electrical parts list (Front board) Block No. 03 Item Parts number Parts name Remarks Area R 944 QRE141J-562Y C RESISTOR 5.6K 5% 1/4W R 945 QRE141J-392Y C RESISTOR 3.9K 5% 1/4W R 946 QRE141J-272Y C RESISTOR 2.7K 5% 1/4W...
  • Page 81 MX-G70 Electrical parts list (Tuner board) Block No. 04 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area NCB21HK-223X C CAPACITOR IC 2 LC72136N NCB21HK-103X C CAPACITOR QNB0014-001 ANT TERMINAL EETC1CM-106ZJC E.CAPACITOR QQR0796-002 COIL BLOCK...
  • Page 82 MX-G70 Electrical parts list (CD servo control board) Block No. 05 Item Parts number Parts name Remarks Area Item Remarks Parts number Parts name Area C 251 NCS21HJ-100X C CAPACITOR C 821 NCF21CZ-105X C CAPACITOR C 252 NCS21HJ-100X C CAPACITOR...
  • Page 83 MX-G70 Electrical parts list (CD servo control board) Block No. 05 Item Remarks Item Remarks Parts number Parts name Area Parts number Parts name Area R 619 NRSA02J-153X MG RESISTOR R 811 NRSA02J-103X MG RESISTOR R 620 NRSA02J-564X MG RESISTOR...
  • Page 84 MX-G70 Electrical parts list (Head amplifier & mecanism control board) Block No. 07 Item Remarks Item Remarks Parts number Parts name Area Parts number Parts name Area CN301 QGF1205F1-06 CONNECTOR A HEAD D3302 1SR139-400-T2 SI DIODE CN302 QGF1205F1-06 CONNECTOR B HEAD D3307 DZ5.1BSB-T2...
  • Page 85 MX-G70 Electrical parts list (Head amplifier & mecanism control board) Block No. 07 Item Remarks Parts number Parts name Area R3327 QRE141J-474Y C RESISTOR 470K 5% 1/4W R3330 QRE141J-103Y C RESISTOR 10K 5% 1/4W R3331 QRE141J-103Y C RESISTOR 10K 5% 1/4W...

  • Page 86: Packing Materials And Accessories Parts List

    MX-G70 Packing materials and accessories parts list Block No. Block No. A1~A9 3-26...
  • Page 87 GVT0052-002A INST BOOK ENG,FRE GVT0052-001A INST BOOK GV40215-001B NOTICE/AVIS PUT OUTSIDE INS BT-51020-2 J=REGIST CARD BT-52004-1 WARRANTY CARD BT-20071B JVC CENTER LIST QAL0014-001 AM LOOP ANT EWP503-001 ANT.WIRE RM-SMXGT90A REMOCON --------------- BATTERY A 10 MXG70K-SPBOX-R SP BOX ASS'Y(R) MXG70K-SPBOX-L SP BOX ASS'Y(L)

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