Instruction/ maintenance manual of the product KD-LX555R JVC
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SERVICE MANUAL COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LTD. No.49793 2003/ 5 CD RECEIVER 49793 2003 4 KD-LX555R TABLE OF CONTENTS 1 Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-32 (No.49793) SECTION 4 Description of major ICs 4.1 BA6956AN (IC830, IC831) : Revers ible motor driver • Block diagram • Pin function • Truth table TSD CONTROL LOGIC 1 2 3 4 5 6 7 8 9 V REF OUT2 RNF OUT1 VM Vcc FIN GND RIN Pin No.
(No.49793)1-33 4.2 BR24C01AFV-W-X (IC1502) : EEPROM •P i n l a y o u t • Block dia gram • Pin functi on *1 An open drain output require s a pull-up resister.
1-34 (No.49793) 4.3 BR24C32F (IC703) : EEPROM • Pin Layout • Pin layout & Block diagram • Pin function 4.4 HD74HC126FP (IC771 ) : Changer Control SDA SCL WP BR24C32/F VCC GND A2 A1 A0 PIN NAME I/O Function VCC - Power Supply GND - Ground (0V) A0-A2 I Slave Address Set SCL I Serial Clock Input SDA I/O Slave and Word Ad dress.
(No.49793)1-35 4.5 BU1923F (IC51) : RDS decoder •P i n l a y o u t • Block dia gram 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 QUAL RDATA Vref MUX VDD1 VSS1 VSS3 CMP RCLK N.C. XO XI VDD2 VSS2 T1 T2 - + 8th Switched capacitor filter PLL 57kHz RDS/ARI PLL 1187.
1-36 (No.49793) 4.6 HA13164A (IC961) : Regulator • Terminal la yout • Block diagram • Pin function 1234 56 789 1 0 1 1 1 2 1 3 1 4 1 5 Pin No. Symbol Function 1 EXTOUT Output voltage is VCC-1 V when M or H level applied to CTRL pin. 2 ANTOUT Output voltage is VCC-1 V when M or H level to CTRL pin and H level to ANT-CTRL.
(No.49793)1-37 4.7 HD74HCT126T-X : (IC1500,IC1 503) Buffer • Pin arrangement • Pin function H : High level L : Low level X : Irrelevant Z : Off (Hhigh-impedance)state of a 3-stage outp ut • Bloc.
1-38 (No.49793) 4.8 LA47505 (IC941) : Power amp. • Terminal la yout Muting & On T ime Control Circuit protective circuit Mute circuit Protective circuit Ripple Filter Stand by Switch 11 16 14 13.
(No.49793)1-39 • Terminal layout • Pin functi on AC CONT1 GND1 OUTFR- STBY OUTFR+ Vcc1/2 OUTRR- GND2 OUTRR+ VREF INRR INFR SGND INFL INRL ONTIME OUTRL+ GND3 OUTRL- Vcc3/4 OUTFL+ MUTE OUTFL- GND4 NC Pin No.
1-40 (No.49793) 4.9 LA6579H-X (IC1681) : 4-Channel bridge driver • Pin layout & Block diagram 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 FR FR VIN1 VIN1-B VIN1+B S-GND VIN1-S W MUTE VREFIN VCCS 3.
(No.49793)1-41 • Pin functi on Pin No. Symbol Function 1 VIN1-A CH1 input AMP_inverted input 2 VIN1+A CH1 input AMP_non -inverted input 3 VCCP1 CH1 and CH2 power stage power supply 4 VO1+ Output pin.
1-42 (No.49793) 4.10 M61508FP (IC400) : E.volume • Pin layout & Block diagram 18 VDD OUT 1 D ATA GND NonFadaer OUT 1 FRONT OUT 1 REAR OUT1 F ADER IN 1 TONE OUT 1 TIMER DETECTOR NON F ADER VOLUME.
(No.49793)1-43 • Pin functi on Pin No. Symbol Function 1 REF IC signal G ND 2 DEFP IN 1 Ope amp positive input 3 DEFN IN 1 Ope amp negative i nput 4 INA 1 Input selector ch1 input terminal 5 INB 1 I.
1-44 (No.49793) 4.11 LC75878W (IC601) : LCD driver • Pin layout • Block diagram • Pin function 1 ~ 25 75 ~ 51 26 ~ 50 100 ~ 76 No. Symbol I/O Function 1~73 SEG1~SEG73 O Segment driver output pin. 74 SEG74 O Segment driver outp ut pin. 75 SEG75 O S egment driver output pin.
(No.49793)1-45 4.12 NJM4565V-X (IC1572) : Dual ope amp • Terminal layout & Pin function 4.13 NJU7241F25 (IC1651) : Regulator • Pin Layout • Block Diagram 4.
1-46 (No.49793) 4.15 TA2157FN-X (IC1601):RF amp • Terminal la yout • Block diagram 24 ~ 13 1 ~ 12 12 11 10 9 8 7 6 5 4 3 2 1 13 14 15 16 17 18 19 20 21 22 23 24 20k 20k 15k 20k 20k 3k 180k 240k 240k 15pF 15pF 40pF 40pF 10pF 60k 60k 22k 22k 94k 94k 14k 50k 20k 20k 20k 40k 50k PEAK 15k 40k 2k 1.
(No.49793)1-47 • Pin functi on Pin No. Symbol I/O Function 1 VCC - 3.3V power supply pin 2 FNI I Main-beam amp i nput pin 3 FPI I Mai n-beam amp input pin 4 TPI I Sub-be am amp input pin 5 TNI I Sub.
1-48 (No.49793) 4.16 TC94A14FA (IC1621) : DSP & DAC • Terminal la yout & block daiagram • Pin function LPF 1-bit DAC Clock generator Micro- controller interface Audio out circuit Digital o.
(No.49793)1-49 17 TMAX O TMAX detection result output pin. 18 L PFN I I nverted input pin for PLL LPF amp. 19 LPF O O Output pin for PLL LPF amp. 20 PVREF - PLL-only VREF pin. 21 VCOF O VCO filter pin. 22 AV SS3 - Analog GND pi n. 23 SLCO O D AC output pin for data sl ice level generation.
1-50 (No.49793) 4.17 TC94A20F-011 (IC1652) : DAC/SRAM built in type D- ROM decoder+ MP3 decoder • Pin layout • Block diagram 48 33 32 17 49 64 11 6 32 31 30 29 28 27 26 25 33 34 35 36 24 23 22 21 .
(No.49793)1-51 • Pin functions Pin No Symbol I/O Functions 1 /RESET I Hard reset input H:normal L:reset 2 MiMD I Micon I/F mode select input 3 /MiCS I Micon I/F chip select input 4 /MiLP I Mico n I/.
1-52 (No.49793) 4.18 UPD784217AGC208 (IC962) : Main micon • Pin Layout • Pin functions 1 ~ 25 75 ~ 51 100 ~ 76 26 ~ 50 Pin No Symbol I/O Function 1N C - N o t u s e 2N C - N o t u s e 3N C - N o t.
(No.49793)1-53 41 LCD_DA O Data output to LCD driver 42 LCD_SCK O Clock output to LCD driver 43 LCD-CE1 O Chip enable output 1 to LCD driver 44 BU ZZER O Buzze r output 45 1 2C_DAI I 12C commu nicatio.
1-54 (No.49793) 4.19 UPD784225GK-629 (IC1501) : CPU • Pin layout • Pin function 60 ~ 41 1 ~ 20 40 ~ 21 61 ~ 80 Pin No. Symbol I/O Function 1 TEMP IN I T emp. detection input termi nal 2,3 - - No use 4 AVSS - GND 5 ADCONT O Output H level during power on.
(No.49793)1-55 39 MP3 RESET O CD MP3 reset signal outp ut terminal 40 MP3 STB O CD MP3 standby signal outpu t terminal (H:Standby) 41~43 - - - 44 DAC ML O DAC mode control latch o utput terminal 45 DA.
1-56 (No.49793) 4.20 PCM1716E-X (IC1571) : D/A converter • Pin layout • Block diagram • Pin function 11 4 28 15 BCK V outL Vcc2L Vcc2R AGND2L AGND2R EXTL EXTR ZER O V outR Serial Input 8X Oversa.
KD-LX555R 2-1 1 2 3 4 5 ABC D EF G H REST REST SWITCH LOAD/FEED+ LOAD/FEED- LOAD/FEED MO TOR SPINDLE+ SPINDLE- SPINDLE M OTO R SW1 SW2 SW1 SW2 FOCUS+ FOCUS- TRACKING+ TRACKING- A,B,E,F MD ,LD PICKUP C.
KD-LX555R 2-2 KD-LX555R 1 2 3 4 5 ABC D EF G H P ar ts are saf ety assurance parts. When replacing those par ts make sure to use the specified one. TUNER SIGNAL CD SIGNAL T APE SIGNAL A UX IN SIGNAL M.
KD-LX555R 2-3 1 2 3 4 5 ABC D EF G H CD SIGNAL TP20 TP21 TP22 TP23 TP24 TP26 TP25 A VCC F GND E VREF B VR MD LD FOCUS- FOCUS+ TRACKING+ TRACKING- SPINDLE+ SPINDLE- REST SW2 SW1 GND LOAD/FEED+ LOAD/FEE.
KD-LX555R 2-4 KD-LX555R 1 2 3 4 5 ABC D EF G H 1 1 12 # 3 1 S 8 S 7 S 6 S 5 S 4 S 3 S 2 S 1 S74 S73 S72 S71 S69 S68 S67 S66 S65 S64 S63 S62 S61 S60 S59 COM1 COM8 COM7 COM6 COM5 COM4 COM3 COM2 P 1 P 2 .
KD-LX555R 3-6 Electrical p art s list Main board Block No. [0][1][0][0] Symbol No. Part No. Part Name Description Local IC51 000874740-T I C BU1923F IC400 000974840-T I C M61508FP IC702 000974280-.
KD-LX555R 3-7 C713 CE2271468 E CAP ACITOR 220MF/ 10V C719 CZ2216D2J C CAP ACITOR 220PF C720 CY473623J C CAP ACITOR 0.047MF C721 CY222623J C CAP ACITOR 0.0022MF C722 CY222623J C CAP ACITOR 0.0022MF C723 CZ1016D2J C CAP ACITOR 100PF C724 CY222623J C CAP ACITOR 0.
KD-LX555R 3-8 Front board Block No. [0][2][0][0] R727 RK103JA0J C RESISTOR 1/10W 10K R728 RK222JA0J C RESISTOR 1/10W 2. 2K R731 RK473JA0J C RESISTOR 1/10W 47K R732 RK473JA0J C RESISTOR 1/10W 47K R733 .
KD-LX555R 3-9 CD board Block No. [0][3][0][0] C607 CY104423J C CAP ACITOR 0.1MF C608 CY104423J C CAP ACITOR 0.1MF C609 CZ6816D2J C CAP ACITOR 680 PF C610 CY475316J C CAP ACITOR 4.7 MF F Z C61 1 CY475316J C CAP ACITOR 4.7 MF F Z C612 CQ393328J C CAP ACITOR 0.
KD-LX555R 3-10 C1577 CY104623J C CAP ACITOR 0.1 MF C1578 CX476012L E CAP ACITOR 47MF/6.3V C1579 CX106312L E CAP ACITOR 10MF/16V C1580 CY104623J C CAP ACITOR 0.1 MF C1581 CZ1016D2J C CAP ACITOR 100PF C1582 CZ1016D2J C CAP ACITOR 100PF C1583 CZ8216D2J C CAP ACITOR 820PF C1584 CZ8216D2J C CAP ACITOR 820PF C1585 CX475512L E CAP ACITOR 4.
KD-LX555R 3-11 R1584 RK123JA0J C RESISTO R 1/10W12K R1585 RK303JA0J COMP .RESISTOR 1/10W30K R1586 RK303JA0J COMP .RESISTOR 1/10W30K R1587 RK473JA0J C RESISTO R 1/10W47K R1588 RK473JA0J C RESISTO R 1/1.
An important point after buying a device JVC KD-LX555R (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought JVC KD-LX555R yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data JVC KD-LX555R - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, JVC KD-LX555R you will learn all the available features of the product, as well as information on its operation. The information that you get JVC KD-LX555R will certainly help you make a decision on the purchase.
If you already are a holder of JVC KD-LX555R, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime JVC KD-LX555R.
However, one of the most important roles played by the user manual is to help in solving problems with JVC KD-LX555R. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device JVC KD-LX555R along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
