JVC XV-S500BK Service Manual Download Page 47

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XV-S500BK/XV-S502SL

1-47

MCLK

MHz

MIPS

MmCPU

MP3

MPEG1 audio

MPEG2 audio

NOP

NTSC

NTSC-M

OSD

PAL

PCM

PCMCLK

PCS

PLL

PQFP

PWM

r/w

RAM

RGB

RISC

ROM

RXD

SAV

SCART

SCLK

SDRAM

S/PDIF

S/PDIFCLK

SRAM

SSP

TXD

UART

USART

VGA

VIO

VREF

Vref

VSSA

VSYNC

XBUS

XIO

YCbCr

primary or master clock

Megahertz

Million Instructions Per Second

Mediamatics CPU (synonym for internal RISC CPU)

Moving Picture Experts Group Layer-3 Audio (audio file format / extension)

A digital audio format mainly used in video CDs. It is based on the moving picture expert group

(MPEG1) format, a data compression technology.

A digital audio format mainly used in Europe and Australia. It provides high quality, multi-channel

audio of up to eight channels in the same was as Dolby Digital and DTS. It is based on the

MPEG2 format, a data compression technology more improved than MPEG1

No Operation

1)National Television System Committee 2)Worldwide video standard in North America and Japan

Version of NTSC used in certain parts of the world (Brazil)

On-screen display

Phase alteration by line

Pulse Code Modulation

PCM audio-data over-sampling clock

1)Picture Control and Size 2)Perpheral Chip Select

Phase Lock Loop

Plastic Quad Flat Pack (Package)

Pulse Width Modulator

Read/Write access

Random Access Memory

Red-Green-Blue (color model)

Reduced Instruction Set Computer

Read-Only Memory

Receive signal

Readable / Write able

Start Active Video

Syndicat des Constructeurs d'Appareils Radiorecepteurs et Televiseurs ( connector used in

Europe to connect many kinds of audiovisual equipment)

Secondary or slave clock

Synchronous Dynamic Random Access Memory

Sony / Philips Digital Interface

clock associated with the S/PDIF output

Static Random Access Memory

Synchronous Serial Port

transmit signal

Universal Asynchronous Receiver-transmitter

Universal Synchronous / Asynchronous Receiver / Transmitter

Video Graphics Array

Video Input / Output

Voltage REFerence

Vertical reference

quiet analog ground

Vertical sync

External peripheral bus

External Input / Output

Luminance component (in accordance with the CCIR 601 specifications)

Luminance component, blue color difference component, red color difference component

(in accordance with the CCIR 601 specifications)

Summary of Contents for XV-S500BK

Page 1: ...6 Adjustment method 1 15 Attention when pick up is exchanged 1 19 Confirm method of operation 1 20 Troubleshooting 1 21 Description of major ICs 1 25 Glossary of term and abbreviations 1 46 STANDBY STANDBY ON PROGRESSIVE PAUSE PLAY STOP 3 8 7 OPEN CLOSE 0 SKIP 4 4 DVD SUPER VCD VCD CD PLAYER TV2 2 TV1 1 TV3 3 TV5 5 TV4 4 TV6 6 TV8 8 TV7 7 TV9 9 TV0 0 TV 10 MUTING 10 TV VIDEO CANCEL TITLE GROUP SUB...

Page 2: ...cabinet screw heads headphone jack control shafts etc to be sure the product is safe to operate without danger of electrical shock Do not use a line isolation transformer during this check Plug the AC line cord directly into the AC outlet Using a Leakage Current Tester measure the leakage current from each exposed metal parts of the cabinet particularly any exposed metal part having a return path ...

Page 3: ...ty during transport and before installation both sides of the laser diode on the replacement optical pickup are shorted After replacement return the shorted parts to their original condition Refer to the text 2 Do not use a tester to check the condition of the laser diode in the optical pickup The tester s internal power source can easily destroy the laser diode 1 2 Handling the traverse unit opti...

Page 4: ...6 R731 R740 R741 R742 R743 R1500 R746 R748 R750 R751 R752 R753 R1501 R756 R758 R761 R762 R764 R765 R766 R767 R771 R772 R774 R775 R776 R777 R780 R781 R782 R783 R790 R791 R792 R793 R797 R818 X1 B5 R901 R903 R905 R906 R907 R908 R920 R956 R1721 RA1 RA2 RA3 S801 T901 T1701 Q22 B15 B17 B18 B19 B20 B21 B12 B24 B25 B26 B27 B28 B29 B30 B31 B32 B33 B34 B35 B36 B37 B38 B39 B80 B40 D828 B42 B43 B515 B45 B46 B...

Page 5: ...ptical block Do not change the setting of these half fixed resistors for laser power adjustment Destruction of Traverse Unit and Laser Pickup by Static Electricity Laser diodes are easily destroyed by static electricity charged on clothing or the human body Before repairing peripheral elements of the traverse unit or pickup be sure to take the following electrostatic protection 1 Wear an antistati...

Page 6: ...ol board is removed from the connector CN512 and CN513 connected with the main board respectively 4 Remove the mechanism assembly by lifting the rear part of the mechanism assembly Prior to performing the following procedure remove the top cover and mechanism assembly 1 Disconnect the card wire from connector CN201 and CN202 on the servo control board respectively 2 Disconnect the flexible wire fr...

Page 7: ... screw E attaching the front panel assembly on the bottom chassis 2 Disconnect the wire from JT102 JT103 and CN4 on the main board respectively 3 Hook c and d are removed respectively and the front panel assembly is removed Prior to performing the following procedure remove the top cover mechanism assembly and rear panel 1 Disconnect the wire from JT102 JT103 and CN4 on the main board respectively...

Page 8: ...e following procedure remove the clamper assembly Push b of the slide cam into the slot on the left side of the loading base until it stops Draw out the tray toward the front 1 2 Removing the tray See Fig 2 and 3 When reattaching fit the clamper to the two joints a ATTENTION Before reattaching the tray slide the part c of the slide cam to the right as shown in Fig 3 ATTENTION Joint a Joint a A A A...

Page 9: ...the elevator ATTENTION Prior to performing the following procedure remove the clamper assembly the tray and the traverse mechanism assembly Extend each bar e inside of the loading base outward and detach the elevator shaft 1 Removing the elevator See Fig 6 and 7 When reattaching first fit the two shafts on the front of the elevator to the slots f of the slide cam ATTENTION Fig 4 Fig 5 Fig 6 Fig 7 ...

Page 10: ...and the elevator Remove the belt from the pulley Remove the screw C attaching the motor assembly Turn over the body and remove the screw D attaching the motor assembly Release the two tabs g retaining the motor board 1 2 3 4 Removing the motor assembly See Fig 8 and 9 Fig 8 Fig 9 C Motor assembly Belt Loading base Motor assembly D Tabs g ...

Page 11: ...pulley gear bracket in the direction of the arrow and pull out the pulley gear Slide the slide cam in the direction of the arrow to release the two joints i and remove upward Remove the middle gear 1 2 3 4 Removing the Idle gear pulley gear middle gear slide cam See Fig 10 to 12 Fig 11 Fig 12 Fig 10 Motor assembly Pulley gear Pulley gear bracket Pulley gear bracket E Idle gear Idle gear Pulley gea...

Page 12: ... spring make sure that the thrust spring presses the feed gear M and the feed gear E reasonably ATTENTION Remove the feed gear M Pull out the feed gear E and the lead screw Remove the two screws H attaching the feed motor 2 3 4 When reattaching pass the two cables extending from the feed motor through the notch k of the feed holder as shown in Fig 13 ATTENTION Traverse mechanism assembly section F...

Page 13: ...rd Move the part m in the direction of the arrow and detach from the spindle base Disengage the joint n of the pickup and the shaft in the direction of the arrow Pull out the shaft from the pickup Remove the two screws J attaching the actuator Disengage the joint of the actuator and the lead spring Pull out the lead spring 2 3 4 5 6 The spring must be under the shaft when you install pick up Fig 1...

Page 14: ...he spindle motor assembly See Fig 19 to 21 When reattaching pass the card wire extending from the spindle motor board through the notch of the spindle base ATTENTION Remove the three screws M attaching the spindle base 2 Fig 19 Fig 20 Fig 21 Spindle motor assembly Spindle base L M M Spindle base Mechanism base L L Spindle motor ...

Page 15: ...tor lights when about a few seconds pass Then it is initialization completion Please make scan mode test mode in the state of interlaced scan mode State of progressive indicator turning off 1 Makes to test mode and initializes 2 When CHOICE key of remote controller is pushed once the figure is displayed on the FL display as follows _ _ 3 3 _ 3 9 _ 2 5 _ _ FL Display FL Display microcomputer IC2 Fr...

Page 16: ...age Before using the TEST disc VT 501 careful check it if there is neither damage nor dirt on the read surface The jitter value is displayed by the hexadecimal number 1 Makes to test mode and initializes 2 When CHOICE key of remote controller is pushed three times It is displayed on the FL display CHECK 3 Afterwards the laser current value can be switched by pushing the key to remote controller wi...

Page 17: ...ecause the tray opens automatically the disc of STEP2 is put on the tray The power supply is turned off once pushing the POWER key The up grade starts when the POWER key is pushed afterwards When up grade is completed Upgrade progress Upgrading blue screen After inserting the up grade disc 1 The power supply is turned on pushing the POWER key 2 The up grade disc is inserted 3 When FL display of th...

Page 18: ...ved from the mechanism assembly and puts into the state set up as shown in figure Each wire connected by the servo control board this time leaves the connection maintained Between shaft and hook of mechanism assembly of figure Board is put And the board is inclined in the direction of the arrow on figure as much as possible 4 The extension cord is inserted in the connector of the assistance board ...

Page 19: ...protection circuit attached to the pick up is cut Please cut the electrostatic breakdown protection circuit attached to the pick up after solder is put up to two places on a flexible wire short land part a of the insertion of a flexible wire this time in the connector without fail The procedure might be mistaken and if solder has not surely adhered to two places on a flexible wire short land part ...

Page 20: ...unevenness All Function button All function buttons should worked correctly with moderate click feeling Open and close movement of tray When press OPEN CLOSE button the tray should move smoothly without any noise Remote controller unit working Check the correctly operation in use of remote controller unit Reading of TOC Be not long in the malfunction Search Both forward searches and backward searc...

Page 21: ... for several seconds and becomes NO DISC or an error display afterwards The rotation of DISC becomes high speed and abnormal and becomes NO DISC or an error display afterwards Is focus retraction OK Even when it retracts correctly if it is out of focus and makes repeated retries with a clicking sound it is in error Is tracking retraction OK If TE waveform reappears or fails to converge after the T...

Page 22: ...he motor 3 Has the control signal come from servo IC or the microcomputer Is it L while the terminal of IC251 18 SBRK is operating Is it H while the terminal of IC251 23 SPMUTE is operating Is the control signal input to the terminal of IC251 22 EC changes from VHALF voltage while the motor is working Is the VHALF voltage input to the terminal of IC251 21 ECR 4 Is the FG signal input to the servo ...

Page 23: ... the tracking been turned on Spindle motor and driver is defective Additionally IC101 and IC301 and Mechanism is defective jitter etc are thought Besides the undermentioned cause is thought though specific of the cause is difficult because various factors are thought Mechanism is defective jitter IC301 IC401 The disc is dirty or the wound has adhered 7 Address read NG 8 Between layers jump NG doub...

Page 24: ...ding mechanism etc The image is sometimes blocked and the image stops The image is blocked when going to outer though it is normal in surroundings in the disk and the stopping symptom increases There is a possibility with bad jitter value for such a symptom 12 CD During normal playback operation a Is TOC reading normal Displays total time for CD DA Shifts to double speed mode for V CD b Playback p...

Page 25: ...d by control Vcc for CH1 2 power block Inverted output of CH2 Non inverted output of CH2 Inverted output of CH1 Non inverted output of CH1 Non inverted output of CH4 I I I O I I O I O O O O O Pin No Pin No Symbol Symbol I O I O Description Description 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 VO4 VO3 VO3 PowVcc2 STBY2 GND OPOUT3 OPIN3 OPIN3 OPOUT4 OPIN4 OPIN4 PreVcc O O O I O I I O I I Inverted...

Page 26: ...PC1 LPC01 LPC2 LPC02 VFOSHORT TBAL FBAL POFLT DTRD IDGT STANDBY SEN SCK STDI RSCL JLINE TEN TEOUT AGCBAL ASOUT FEN FEOUT AGCOFST MON AGCLVL GND2 VREF2 VCC2 VHALF DFLTON DFLTOP DCFLT GND3 I O Description Pin No Symbol I O Description 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 RFDIFO RFOUT VCC3 RFC DCRF OFTR BDO RFENV BOTTOM PEAK AGCG AGCO TESTSG RFI...

Page 27: ...F SB FG2 FR VCC VCC R D Q CK Q ECR EC PS FG VCC VCC GSW VM RNF GAIN SWITCH 2 4 7 8 9 10 11 12 13 14 H1 H1 H2 H2 H3 H3 TSD PS TOROUE SENSE AMP GAIN CONTROL DRIVER HALL AMP TL A3 A2 A1 GND NC A3 NC A2 NC NC A1 GND H1 H1 H2 H2 H3 H3 RNF VM GSW Vcc FG PS EC ECR FR FG2 SB CNF BR VH 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 29 30 CURRENT SENSE AMP ...

Page 28: ...all input AMP 1 Negative input for hall input AMP 2 Positive input for hall input AMP 2 Negative input for hall input AMP 2 Positive input for hall input AMP 3 Negative input for hall input AMP 3 Hall bias terminal Non connect Capacitor connection pin for phase compensation Short brake terminal Non connect Non connect Torque control standard voltage input terminal Torque control voltage input term...

Page 29: ...nse AMP Output buffer LWE LDQM DQI Column decoder Latency burst length Programming register 1 Block diagram CLK CS CKE A0 A10 BA0 1 RAS CAS WE System clock signal input Chip select input Clock enable Address Bank select address Row address strobe Column address strobe Write enable 2 Pin function DQM0 3 DQ0 31 VDD VSS VDDQ VSSQ NC Data input output mask Data input output Power supply terminal Conne...

Page 30: ... 13 14 15 16 17 VCC1 CIN MUTE1 VIN YCMIX YIN BIAS GND1 TRAP GND1 NC SYIN CLIP CBIN MUTE2 CRIN GND2 Power supply terminal Chrominance input terminal Using of MUTE and power saving Video input composite Y C Mix select Video input Y Bias terminal Connect to ground Non connect Connect to ground Non connect Luminance input Input clamp select Component input Using of MUTE and power saving Component inpu...

Page 31: ...de switch detection input from S802 Operation switch detection input S2 S3 S7 Operation switch detection input S4 S6 RGB switch detection input from S801 NTB switch detection input from S801 Power supply terminal 5V Model switch detect S500 or SA600 is distinguished Reset input terminal AV Compulink output terminal AV Compulink input terminal Power ON signal output Tray close instruction output te...

Page 32: ...e LED control signal output GREEN Unused FL Grid control signal output FL Segment control signal output Non connect Unused Audio muting control signal output Non connect Power supply terminal for FL display Bias Thermal shutdown Driver Current limiter Reference Vin Cont GND Cn Vo MM1565AF X IC951 500mA Regulator 1 Block diagram 2 Pin function 1 2 3 4 5 6 7 Vout NC GND Cn Cout Sub Vin Output termin...

Page 33: ... 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 SWUPDN MECHA_H V DISCSET VDD FEPEN SLEEP BUSY REQ VSS EPCS EPSK EPDI EPDO VDD SCLKO S2UDT U2SDT CPSCK P74 SBI1 SDOUT NMI ADSCIRQ ODCIRQ DECIRQ CSSIRQ ODCIRQ2 ADSEP RST VDD TEST1 TEST2 TEST3 TEST4 TEST5 TEST6 TEST7 TEST8 VSS D0 D1 D2 D3 D4 D5 D6 D7 Non connect Connect to grou...

Page 34: ...n No Symbol NINT0 1 VDD3 VSS NINT2 WAITDOC NMPST DASPST CPUADR17 9 VDD18 VSS DRAMVDD18 DRAMVSS CPUADR8 0 VDD3 VSS DRAMVDD3 NCS NWR I O Description 3 Pin function 1 4 Interruption of system control 0 1 Power supply terminal for I O 3 3V Connect to ground Interruption of system control 2 Wait control of system control Reset of system control Non connect Setting of initial value of DASP signal System...

Page 35: ...ck signal input Drop out signal input Non connect Power supply terminal for I O 3 3V Power supply terminal for DRAM 1 8V Connect to ground for DRAM Connect to ground Non connect Tracking balance adjustment output Focus balance adjustment output Traverse drive output Spindle drive output Motor FG input Non connect Non connect Non connect Digital output signal Non connect Non connect Non connect Pow...

Page 36: ...65V Connect to capacitor 2 1 for DSL Power supply terminal for analog circuit 3 3V Equivalence RF Equivalence RF Output for jitter signal monitor Connect to ground for analog circuit Tracking drive output Focus drive output Power supply terminal for analog circuit 3 3V Focus error input Phase difference 3 beams tracking error AS Full adder signal RF envelope input DVD laser current control termina...

Page 37: ...ription 3 Pin function MN103S26EGA 4 4 Connect to ground Power supply terminal for I O 3 3V ATAPI host data 1 ATAPI host data 13 ATAPI host data 2 ATAPI host data 12 ATAPI host data 3 Power supply terminal for I O 3 3V Connect to ground ATAPI host data 11 ATAPI host data 4 ATAPI host data 10 ATAPI host data 5 ATAPI host data 9 Power supply terminal for I O 3 3V Connect to ground ATAPI host data 6 ...

Page 38: ...al for DAC Power supply terminal Non connect Connect to ground Control signal for DAC Control signal for DAC Analog output 1 Power supply terminal Analog output 1 Connect to ground Connect to ground Analog output 2 Power supply terminal Analog output 2 Control signal for DAC Connect to ground Non connect Non connect VCO Frequency Power supply D 5V Connect to ground Connect to ground Control signal...

Page 39: ... terminal Connect to ground SDRAM Address bus terminal Connect to ground SDRAM Address bus terminal Power supply terminal 3 3V SDRAM Address bus terminal SDRAM Clock output Connect to ground SDRAM Clock enable output SDRAM Address bus terminal Power supply terminal 3 3V SDRAM Address bus terminal SDRAM Address bus terminal NDV8601VWA BB IC501 AV Decoder 1 60 180 121 240 181 61 120 1 Pin layout 2 B...

Page 40: ...Data bus terminal Connect to ground SDRAM Data bus terminal Power supply terminal 3 3V SDRAM Data bus terminal SDRAM Data byte enable SDRAM Extension bank chip select Connect to ground S PDIF Digital audio output terminal Connect to ground Digital audio input for digital micro can be used as GPIO Serial audio output data to audio DAC for left and right channels for down mix Serial audio output dat...

Page 41: ... chain test enable Connect to ground for main and video clock PLL Connect to ground for audio clock PLL Scan chain test mode Power supply terminal for audio clock PLL 3 3V Power supply terminal for DAC digital 1 8V Connect to ground for DAC digital Video signal output Cr output composite component Red output Cascaded DAC differential output used to dump current into external resistor for power Vid...

Page 42: ...erminal Power supply terminal 3 3V Byte write enable for FLASH EEPROM SRAM or peripherals terminal Address latch enable Latched address 0 3 Connect to ground Read terminal Bus hold acknowledge in slave mode Bus hold request from external master in slave mode Power supply terminal 1 8V Peripheral chip select 0 generally used for enabling the program store ROM FLASH Programmable general purpose exte...

Page 43: ...output S 93C66AFJ X IC451 IC510 EEPROM 1 Pin layout 3 Block diagram 2 Pin function 1 2 3 4 8 7 6 5 PE VCC CS SK NC GND DO DI 1 2 3 4 5 6 7 8 PE VCC CS SK DI DO GND NC Non connect Power supply terminal Chip select input Serial clock input Serial data input Serial data output Connect to ground Non connect Pin No Description Symbol I I I O I O ...

Page 44: ... cycles and receive input data during write cycles Data is internally latched during a write cycle The outputs are in tri state when OE or CE is high To activate the device when CE is low To gate the data output buffers To control the write operations To provide 3 volt supply 2 7V 3 6V Symbol Function Pin name SST39VF160 7CEK IC509 16M EEPROM 1 Pin layout 3 Pin function 2 Block diagram 1 2 3 4 5 6...

Page 45: ... terminal Ground terminal Power supply terminal Over current Feedback terminal Pin No Symbol Description Function MOS FET drain MOS FET source Ground Input of power supply for control circuit Input of over current detection signal and constant voltage control signal A L L H H Y L L L H B L H L H 1 2 3 4 5 6 7 14 13 12 11 10 9 8 VCC 4B 4A 4Y 3B 3A 3Y TOP VIEW 1A 1B 1Y 2A 2B 2Y GND TC74HC08AF X IC70...

Page 46: ...io compact disc compact disc digital audio Complementary Metal Oxide Semiconductor Central Processing Unit red color difference component in accordance with the CCIR 601 specifications Content Scrambling System Clear To Send Composite Video Blank and Sync Digital to Analog Converter direct current DEMUX Engine Digital Signal Processing Digital Theater System Digital Versatile Disc End Active Video...

Page 47: ...Brazil On screen display Phase alteration by line Pulse Code Modulation PCM audio data over sampling clock 1 Picture Control and Size 2 Perpheral Chip Select Phase Lock Loop Plastic Quad Flat Pack Package Pulse Width Modulator Read Write access Random Access Memory Red Green Blue color model Reduced Instruction Set Computer Read Only Memory Receive signal Readable Write able Start Active Video Syn...

Page 48: ...Printed in Japan 200202 S No A0027 XV S500BK XV S502SL VICTOR COMPANY OF JAPAN LIMITED PERSONAL MOBILE NETWORK BUSINESS UNIT 1644 Shimotsuruma Yamato Kanagawa 242 8514 Japan ...

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