Table of Contents
Advertisement
Quick Links
SERVICE MANUAL
COMPACT COMPONENT SYSTEM
STANDBY/ON
1
2
3
ACTIVE BASS
SLEEP
EX. LEVEL
4
5
6
SOUND
AUX
MODE
7
8
9
FM MODE
10
+10
FADE
FM/AM
TAPE
TAPE A/B
MUTING
CD
DISC SKIP
/
+
VOLUME
VOLUME
–
RM–SMXK5A REMOTE CONTROL
Each difference points
CD/DECK/
MODEL
RECEIVER
MX-K5
CA-MXK5
MX-K6
CA-MXK6
Contents
Safety Precautions
Important for laser products
Preventing static electricity
Disassembly method
Wiring connection
Adjustment method
MX-K5 / MX-K6
STANDBY
STANDBY/ON
PLAY & EXCHANGE
MX-K5
COMPACT COMPONENT SYSTEM
PHONES
TUNING
CLOCK
/ TIMER
DISPLAY
REPEAT
PROGRAM
RANDOM
REC START
CD
DUBBING
ACTIVE BASS EXTENSION
/STOP
REC START
C O M P U P L AY C O N T R O L
EJECT
A
PLAY
FULL - LOGIC CONTROL
SP-MXK5
CA-MXK5
Speaker
POWER / SUB / CD EJECT /
DISK CHANGER bottom
SP-MXK5
SP-MXK6
METALLIC LIGHT GRAY
1-2
1-3
1-4
1-5
1-19
1-20
COPYRIGHT
2001 VICTOR COMPANY OF JAPAN, LTD.
DISC CHANGE
CD-R / RW PLAYBACK
SOUND
MODE
COMPACT
DIGITAL AUDIO
ACTIVE BASS
EX. LEVEL
PRESET
SET
CANCEL
/DEMO
TAPE A
TAPE B
EJECT
B
CD SYNCHRO RECORDING
REC/PLAY
SP-MXK5
Color
SILVER
Flow of functional operating
until TOC read
Maintenance of laser pickup
Replacement of laser pickup
Trouble shooting
Description of major ICs
MX-K5/MX-K6
MX-K5
Area Suffix
J
C
MX-K6
Area Suffix
C
VOLUME RING
CD fitting
ornament
1-24
1-25
1-25
1-26
1-29
U.S.A.
Canada
Canada
No.20928
Mar. 2001
Advertisement
Table of Contents
Related Manuals for JVC MX-K6
Summary of Contents for JVC MX-K6
- Page 1 MX-K5/MX-K6 SERVICE MANUAL COMPACT COMPONENT SYSTEM MX-K5 MX-K5 / MX-K6 Area Suffix U.S.A. Canada MX-K6 Area Suffix Canada DISC CHANGE STANDBY STANDBY/ON PLAY & EXCHANGE CD-R / RW PLAYBACK MX-K5 COMPACT COMPONENT SYSTEM SOUND MODE COMPACT DIGITAL AUDIO ACTIVE BASS EX.
- Page 2 MX-K5/MX-K6 Safety Precautions 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.
- Page 3 MX-K5/MX-K6 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 MX-K5/MX-K6 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-K5/MX-K6 Disassembly method Metal cover <Main body> Removing the metal cover (See Fig.1 to 3) Remove the three screws A attaching the metal cover on the back of the body. Remove the six screws B attaching the metal cover on both sides of the body.
- Page 6 MX-K5/MX-K6 Removing the CD Tray fitting (1) CD tray (See Fig. 4 to 6) Prior to performing the following procedure, remove POWER button the metal cover. Press the POWER button. Press the OPEN/CLOSE button to eject the CD tray. After drawing the lower part of the tray fitting toward the front, remove the five claws a.
- Page 7 MX-K5/MX-K6 Removing the CD changer unit CD servo board CD changer unit (See Fig.8 to 10) CW105 Prior to performing the following procedure, remove the metal cover. Disconnect the card wire which is attached with adhesive to the left side of the CD changer unit.
- Page 8 MX-K5/MX-K6 Removing the front panel assembly Front panel assembly (See Fig.11 to 13) FCW3 Main board JCW2 Prior to performing the following procedure, remove JCW1 the metal cover and the CD changer unit. ACW1 Disconnect the card wire from connector FCW3 and...
- Page 9 MX-K5/MX-K6 Removing the heat sink & AMP board (See Fig.14 and 15) Prior to performing the following procedure, remove the metal cover and the CD changer unit. Remove the four screws I attaching the heat sink cover on the back of the body. Remove the heat sink Heat sink cover.
- Page 10 MX-K5/MX-K6 Removing the main Board (See Fig. 18) JCW2 JCW1 HCW3 FCW3 Prior to performing the following procedure, remove Main board the metal cover, CD changer unit. Disconnect the card wire from connector FCW3 and PCW1 the harness from connector JCW1, JCW2 and HCW3 on the main board.
- Page 11 MX-K5/MX-K6 <Front panel assembly> Power / CD switch board UCW1 Prior to performing the following procedure, remove Tab e the metal cover, the CD changer unit and the front panel assembly. UCW2 FLdiplay & system Removing the power / CD switch board...
- Page 12 MX-K5/MX-K6 <CD changer unit> Prior to performing the following procedure, remove the CD changer unit. Removing the CD tray (See Fig.25 to 27) Turn the black loading pulley gear on the under side of the CD changer unit in the direction of the arrow and draw the CD tray toward the front until it stops.
- Page 13 MX-K5/MX-K6 Removing the sensor board / the turn table motor assembly (See Fig.30 to 32) Prior to performing the following procedure, remove the CD tray. Remove the screw X attaching the sensor board and release the two tabs h attaching the sensor board on the under side of the CD tray.
- Page 14 MX-K5/MX-K6 Removing the belt, the CD servo board and the switch board (See Fig.33 and 34) Belt Prior to performing the following procedure, remove the CD tray. Detach the belt from the pulley on the upper side of the CD changer unit (Do not stain the belt with grease).
- Page 15 MX-K5/MX-K6 Removing the CD mechanism holder assembly (mechanism included) Motor connector (See Fig.35 to 38) Disconnect the harness from connector on the CD mechanism board in the CD mechanism assembly on the under side of the CD changer unit. Disconnect the card wire from the pickup unit connector.
- Page 16 MX-K5/MX-K6 <CD mechanism section> Shaft Shutter Pickup unit • Removing the CD mechanism holder from the CD chager unit. (Refer to "Removing the CD mechanism holder assembly" ) Removing the pickup unit. ( See Fig.1) 1. Removing the cut washer c on the feed gear sleeve and pull out the feed gear.
- Page 17 MX-K5/MX-K6 R/P Head <Cassette mechanism section> Removing the record/playback mechanism. Removing the R/P head. 1. Remove the screw A on the right side of the R/P head.(Fig.1, Fig.2) 2. Remove the screw B on the left side of the R/P head.(Fig.1, Fig.2) Remove the erase head.
- Page 18 MX-K5/MX-K6 Motor Mecha. terminal board Removing the motor. 1. Remove the two screws D fixing the motor. Be careful to grease's splash when the drive belt comes off.(Fig.5, Fig.6) 2. Unsolder the motor terminal.(Fig.5) Removing the mechanism board. Unsolder the four parts a on the solenoid...
- Page 19 MX-K5/MX-K6 Wiring connection Color codes are shown below. Brown Orange Yellow Green Blue Violet Gray White Black...
- Page 20 MX-K5/MX-K6 Adjustment method 1. Tuner * Adjustment Location of Tuner PCB LW OSC AM(MW) RF AM(MW) RF AM(MW) OSC Adjustment Adjustment Adjustment Adjustment ITEAM (Except for J/C) Received FREQ. 594 KHz 146~290 KHz 150 KHz 530~1710 KHz Adjustment point Maximum Maximum 2~7.0 0.5V...
- Page 21 MX-K5/MX-K6 FM THD Adjustment Output Antenna SSG FREQ. Terminal 98 MHz Oscilloscope FM S.S.G Adjustment Input point FM DETECTOR COIL Speaker (FM DET) Terminal output Input 60 dB Output Distortion Meter Minumum Distortion (0.4% below) (Figure 1-1) Figure1-1 IF CENTER and THD Adjustment...
- Page 22 MX-K5/MX-K6 2 Cassette Deck To adjust tape speed Notes Cassette Deck Frequency Counter 1) Measuring tape: i) VT-712/MTT-111(or equivalent) (Tapes recorded with 3kHz) SPK OUT ii) AC-225/MTT-5512(or equivalent) output 2) Connect the cassette deck to the frequency counter as in figure 1-5.
- Page 23 MX-K5/MX-K6 To adjust plabyback level/REC -114N(or equivalent 10kHz AZIMUTH control) Notes 1) Before the actual adjustment, clean the play/recording head. 2) Measuring tape : i) VT-703 / MTT-114N(or equivalent 10kHz AZIMUTH control) ii) AC-225/MTT-5512(or equivalent) 3) The cassette deck is connections as shown in figure 1-7.
- Page 24 MX-K5/MX-K6 Flow of functional operation until TOC read Check Point Play Key Power ON RESET a CD LSI Confirm that the voltage at the pin17 of KB9226(IC101) is "L" "H". Confirm that the voltage at the pin33 LIMIT SW ON of KB9226(IC101) is "H"...
- Page 25 MX-K5/MX-K6 Replacement of laser pickup Maintenance 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 26 MX-K5/MX-K6 Troubleshooting 1. Amplifier Power malfunction -Check the main PCB; Front PCB -com Main PCB RIC(L4959) RBD1(PBL403) RD8(IN5392) VDD(5V) normal? pin no.2, 10 input -Check the power PCB; UIC1 pin no.18, 46,90 voltage normal? Fuse P/T, RFS2, RFS5, RFS6 -Check the main PCB...
- Page 27 MX-K5/MX-K6 2. Tuner malfunction(FM/AM) 3. Tape malfunction...
- Page 28 MX-K5/MX-K6 4. CD 1-28...
- Page 29 MX-K5/MX-K6 Description of major ICs L4959 (RIC1) : Voltage regulator 1.Pin layout OUT 12V(a) OUT 8.6V EN 8.6V EN 12V(a) EN 12V(b) N.C. OUT 5.6V OUT 12V(b) TAB CONNECTED TO PIN 6 D97AU716A 2.Block diagram 2/10 5.6V, 250mA OUT 5.6V REGULATOR 8.6V, 600mA...
- Page 30 MX-K5/MX-K6 5L9290 (IC201) : DIGITAL SIGNAL PROCESSOR FOR CDP 1. Pin layout VSSA_PLL BCKO VCO1LF LRCKO VSSD_PLL SADTO VDDD_PLL DATX VDDD1_5V C2PO S5L9290X JITB DSP+DAC XOUT SBCK 48-LQFP-0707 VSSD1_5V VDDD3-5V EFMI VSSD2-3V LOCK VDDD2-3V SMEF MUTE SMON SQDT 2. BLOCK DIAGRAM...
- Page 31 MX-K5/MX-K6 (1/2) 3. Pin function NAME Pin Description VSSA_PLL Analog Ground for DPLL VCO1LF Pump out for VCO1 VSSD_PLL Digital Ground Separated Bulk Bias for DPLL VDDD_PLL Digital Power Separated Bulk Bias for DPLL (3V Power) VDDD1-5V Digital Power (5V Power, I/O PAD) X'tal oscillator input (16.9344MHz)
- Page 32 MX-K5/MX-K6 3. Pin function (2/2) NAME Function Description SQDT Subcode-Q data serial output MUTE System mute at 'H' VDDD2-3V Digital Power (3V Power, Internal Logic) VSSD2 Digital Ground (Internal Logic) VDDD3-5V Digital Power (5V Power, I/O PAD) SBCK Subcode data transfering bit clock...
- Page 33 MX-K5/MX-K6 BA3837 1.Block diagram ROUT – – + – + LOGIC L + R – – + L – R + – + – LOUT BIAS BA4560 (AIC3, AIC4, AIC5, AIC6, AIC7, FIC4, HIC1, JIC2) : OP amp. 1.Pin layout OUT1 –...
- Page 34 MX-K5/MX-K6 KB9226 (IC101) : RF AMP & SERVO SIGNAL PROCESSOR 1. Pin layout PDAC PDBD LOCK WDCK S1L9226X CLVI RESET DCCI DCCO MDATA VREF ISTAT 2. BLOCK DIAGRAM Center Tracking Error RF & Focus RF AGC & EQ Voltage (RW)
- Page 35 MX-K5/MX-K6 (1/2) 3. Pin function Pin No. Symbol Description RF summing amp. inverting input RF summing amp. output RFO DC eliminating input(use by MIRROR, FOK ,AGC & EQ terminal) RF equalizer output EFMI EFM slice input. (input impedance 47K) Main power supply...
- Page 36 MX-K5/MX-K6 3. Pin function (2/2) Pin No. Symbol Description Main ground TZC/ Tracking zero crossing input & Check the position of pick-up wherther inside or SSTOP TEIO Tracking error output & Tracking servo input LPFT Tracking error integration input (to automatic control)
- Page 37 MX-K5/MX-K6 KA22291(JIC1) : RB/REC PRE AMP 1.Pin layout KA22291 1 2 3 4 5 6 7 8 9 10 11 12 2.Block diagram MUTE MUTE PB NF(2) IN(2) R/P SW IN(2) OUT(2) 100k 100k REC NF(2) PB OUT(2) INPUT REC IN(2) INPUT REC.BIAS...
- Page 38 MX-K5/MX-K6 LC866548 (UIC1) : Microcontroller 1.Pin layout S48/P G0 S19/P C3 S49/P G1 S18/P C2 S50/P G2 S17/P C1 S51/P G3 S16/P C0 VDD3 S15/T15 S14/T14 S13/T13 VSS2 S12/T12 VDD2 S11/T11 S10/T10 S9/T9 S8/T8 S7/T7 P10/S O0 S6/T6 P11/S I0/SB0...
- Page 39 MX-K5/MX-K6 2.Block diagram Interrupt Control A15-A0 Standby Control D7-D0 PROM Control DASEC PROM(48KB) X’tal Base Timer Bus Interface SIO0 Port 1 B Register C Register SIO1 Port 3 Timer 0 Port 7 Timer 1 Port 8 INT0-3 Noise Filt er...
- Page 40 MX-K5/MX-K6 M66010 (UIC2) : I/O control 1.Pin layout 2.Block diagram Shift register 1 SERIAL DATA OUTPUT D24 D23 D22 D3 D2 D1 CLOCK INPUT SET INPUT CHIP SELECT Q24 Q23 Q22 Q3 Q2 Q1 PARALLEL INPUT Parallel output latch DATA I/O...
- Page 41 MX-K5/MX-K6 TDA7442D (FIC1) : Audio processor 1.Pin layout R_IN3 R_IN4 R_IN2 LOUT R_IN1 ROUT L_IN1 AGND L_IN2 L_IN3 CREF L_IN4 MUXOUTL IN(L) DIG-GND MUXOUT(R) TREBLE(R) IN(R) TREBLE(L) BIN(R) BOUT(R) BIN(L) BOUT(L) 2.Block diagram 5.6K 5.6nF 100nF 100nF 100nF 2.2 F...
- Page 42 MX-K5/MX-K6 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.20928) 200103(V)
- Page 43 MX-K5/MX-K6 Block diagram Only U version...
- Page 44 MX-K5/MX-K6 Standard schematic diagrams Main section SHEET 2/5 SHEET 2/5 TUNER signal TAPE REC signal TAPE P.B. signal CD signal MAIN signal Parts are safety assurance parts. When replacing those parts make SHEET 1/5 sure to use the specified one.
- Page 45 MX-K5/MX-K6 Amplifier section Main Signal Parts are safety assurance parts. When replacing those parts make sure to use the specified one. SHEET 2/5...
- Page 46 MX-K5/MX-K6 CD section CD SIGNAL SHEET 4/5...
- Page 47 MX-K5/MX-K6 Front section SHEET 4/5 SHEET 3/5...
- Page 48 MX-K5/MX-K6 Tuner section SHEET 1/5 FM/TUNER SIGNAL AM SIGNAL SHEET 5/5...
- Page 49 MX-K5/MX-K6 Printed circuit boards Main board...
- Page 50 MX-K5/MX-K6 Amplifier board...
- Page 51 MX-K5/MX-K6 Front board Power / CD switch board FL display & system control board Front key switch board...
- Page 52 MX-K5/MX-K6 CD Servo control board 2-10...
- Page 53 MX-K5/MX-K6 Tuner board (Reverse side) Tuner board (Front side) 2-11...
- Page 54 MX-K5/MX-K6 Power transformer board Head phone board 2-12...
-
Page 55: Table Of Contents
MX-K5/MX-K6 PARTS LIST [ MX-K5 ] [ MX-K6 ] * All printed circuit boards and its assemblies are not available as service parts. MX-K5 Area suffix J ----------------------------- U.S.A. C -------------------------- Canada MX-K6 Area suffix C -------------------------- Canada - Contents -... - Page 56 MX-K5/MX-K6 < M E M O >...
-
Page 57: Exploded View Of General Assembly And Parts List
MX-K5/MX/K6 Exploded view of general assembly and parts list Block No. CD changer unit Tuner board Front key switch board Front / display board CD key switch board Amp board E.phone J.board Trans. board Main board Cassette mechanism assembly... - Page 58 WINDOW-DOOR A AH61-00656A BRKT-H/SINK R AH64-01142A WINDOW-DOOR B AH64-01125B CABINET-REAR AH64-01128B DOOR CASS A MX-K5 AH63-00250A COVER-REAR AH64-01128C DOOR CASS A MX-K6 AH39-00258H POWER CODE AH64-01129B DOOR CASS B MX-K5 AH64-30390F CABINET-TOP AH62-00042A HEAT SINK AH64-01129C DOOR CASS B MX-K6 AH68-50275D...
-
Page 59: Cd Mechanism Assembly And Parts List
MX-K5/MX-K6 CD mechanism assembly and parts list Block No. Parts list( CD mechanism ) Block No. M2MM Item Parts number Parts name Q'ty Description Area AH30-00007A OPTICAL PICK-UP SOH-AD3 CMS-D73SG6U AH91-60150C CDP-DECK ASS'Y... -
Page 60: Cd Changer Mechanism Assembly And Parts List
MX-K5/MX-K6 CD changer mechanism assembly and parts list Block No. BASE MAIN TRAY STOPPER CD SUB PCB... - Page 61 MX-K5/MX-K6 Parts list(CD changer mechanism) Block No. M3MM Item Parts number Parts name Q'ty Description Area AH66-80022A SLIDE CAM ABS HF-380 NTR AH66-60034A BELT LOAD AH66-20186A GEAR PULLEY POM (M90-44)WHT AH66-20187A GEAR-LOAD POM (M90-44)BLK AH66-20188A GEAR-CAM POM(M90-44)WHT AH66-20189A GEAR-TRAY POM(M90-44)BLK...
-
Page 62: Cassette Mechanism Assembly And Parts List
MX-K5/MX-K6 Cassette mechanism assembly and parts list Block No. Note: Parts listed on the Parts List below can be supplied. However, parts that are not listed below cannot be supplied individually but only by purchasing the whole Cassette Mechanism Assembly Unit. (When ordering, use the Parts No. - Page 63 MX-K5/MX-K6 Electrical parts list(Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area #RBD1 0402-000450 DIODE FR 18 2001-000515 C RESISTOR #RBD2 0402-001258 DIODE FR 20 2001-000515 C RESISTOR #RC 1...
-
Page 64: Electrical Parts List
MX-K5/MX-K6 Electrical parts list(Main board) Block No. 01 Item Remarks Parts number Parts name Area Item Remarks Parts number Parts name Area HR4R 2001-000290 C RESISTOR JD 3 0401-000101 DIODE HR5L 2001-000019 C RESISTOR JIC 1 1201-000358 S1A0291*01-A0B0 HR5R 2001-000019... - Page 65 MX-K5/MX-K6 Electrical parts list(Main board) Block No. 01 Item Remarks Parts number Parts name Area Item Parts number Parts name Remarks Area JR17R 2001-000003 C RESISTOR RFS2B 3602-000147 FUSE CLIP JR18L 2001-000734 C RESISTOR RFS5A 3602-000147 FUSE CLIP JR18R 2001-000734...
- Page 66 MX-K5/MX-K6 Electrical parts list(Front bnoard) Block No. 02 Item Parts number Parts name Remarks Area Item Remarks Parts number Parts name Area R-EYE AC59-60060A MODULE REMOCON UQ 14 0504-000117 TRANSISTOR KSR1002TA UC 1 2401-000475 E CAPACITOR UQ 15 0504-000117 TRANSISTOR...
- Page 67 MX-K5/MX-K6 Block No. 02 Electrical parts list(Front board) Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area UR 64 2001-000290 C RESISTOR UR204 2001-000290 C RESISTOR UR 65 2001-000290 C RESISTOR UR205 2001-000290 C RESISTOR...
- Page 68 MX-K5/MX-K6 Electrical parts list(Amp board) Block No. 03 Item Remarks Parts number Parts name Area Item Parts number Parts name Remarks Area #AIC2 1201-001599 STK402-090 AR4L 2003-000390 OM RESISTOR AC 20 2401-000871 E CAPACITOR AR4R 2003-000390 OM RESISTOR ACW 1...
- Page 69 MX-K5/MX-K6 Electrical parts list(CD board) Block No. 04 Item Remarks Parts number Parts name Area Item Parts number Parts name Remarks Area C 101 2401-000240 E CAPACITOR CW104 3711-003379 CONNECTOR 35366-0310 C 102 2203-000440 CHIP CAPACITOR CW105 3708-001438 CONNECTOR C 103...
- Page 70 MX-K5/MX-K6 Block No. 04 Electrical parts list(CD board) Item Remarks Parts number Parts name Area R 202 2007-000109 CHIP RESISTOR R 204 2007-000078 CHIP RESISTOR R 205 2007-000078 CHIP RESISTOR R 206 2007-000078 CHIP RESISTOR R 207 2007-000078 CHIP RESISTOR...
- Page 71 MX-K5/MX-K6 Electrical parts list(Tuner board) Block No. 05 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area ICO 1 LA1837XX-S0S LA1837(DIP30S) AMIF E00-0000A23-0 I.F.T ICO 2 LC72131X-S0S LC72131M(SOP) 021069KN-P0D ANT JACK SC021069KN CHIP RESISTOR BPF 1...
-
Page 72: Packing Materials And Accessories Parts List
MX-K5/MX-K6 Packing materials and accessories parts list Block No. Block No. 3-18... -
Page 73: Parts List
MX-K5/MX-K6 Parts list(Packing) Block No. M5MM Item Parts number Parts name Q'ty Description Area AH69-00352A MASTER-CARTON MX-K5 AH69-00352B MASTER-CARTON MX-K5 AH69-00352E MASTER-CARTON MX-K6 AH69-00343A CUSHION-L FOR SET AH69-00344A CUSHION-R FOR SET AH69-30012T PE-BAG FOR SET 18654-101-00 BAG-PE I/B FOR ACCESSORIES...