JVC KD-LX555R User Manual

SERVICE MANUALCOPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LTD.No.497932003/5CD RECEIVER4979320034KD-LX555RTABLE OF CONTENTS1 Precautions . . . . . . . .

1-40 (No.49793)4.9 LA6579H-X (IC1681) : 4-Channel bridge driver • Pin layout & Block diagram28272625242322212019181716151234567891011121314FRFRVIN

(No.49793)1-41• Pin functionPin No. Symbol Function1 VIN1-A CH1 input AMP_inverted input2 VIN1+A CH1 input AMP_non-inverted input3 VCCP1 CH1 and CH2 p

1-42 (No.49793)4.10 M61508FP (IC400) : E.volume• Pin layout & Block diagram18 VDD OUT 1DATAGNDNonFadaer OUT 1FRONT OUT 1REAR OUT1FADER IN 1TONE OU

(No.49793)1-43• Pin functionPin No. Symbol Function 1 REF IC signal GND2 DEFP IN 1 Ope amp positive input3 DEFN IN 1 Ope amp negative input4 INA 1 Inp

1-44 (No.49793)4.11 LC75878W (IC601) : LCD driver• Pin layout• Block diagram• Pin function1~2575~5126 ~ 50100 ~ 76No. Symbol I/O Function1~73

(No.49793)1-454.12 NJM4565V-X (IC1572) : Dual ope amp• Terminal layout & Pin function4.13 NJU7241F25 (IC1651) : Regulator• Pin Layout • Block Diag

1-46 (No.49793)4.15 TA2157FN-X (IC1601):RF amp• Terminal layout• Block diagram24 ~ 131 ~ 121

(No.49793)1-47• Pin functionPin No. Symbol I/O Function1 VCC - 3.3V power supply pin2 FNI I Main-beam amp input pin3 FPI I Main-beam amp input pin4 TP

1-48 (No.49793)4.16 TC94A14FA (IC1621) : DSP & DAC• Terminal layout & block daiagram• Pin functionLPF1-bitDACClockgeneratorMicro-controllerint

(No.49793)1-4917 TMAX O TMAX detection result output pin.18 LPFN I Inverted input pin for PLL LPF amp.19 LPFO O Output pin for PLL LPF amp.20 PVREF -

1-32 (No.49793)SECTION 4Description of major ICs4.1 BA6956AN (IC830, IC831) : Reversible motor driver• Block diagram• Pin function • Truth tableTSDCON

1-50 (No.49793)4.17 TC94A20F-011 (IC1652) : DAC/SRAM built in type D-ROM decoder+ MP3 decoder• Pin layout• Block diagram48 333217496411632 31 30 29 28

(No.49793)1-51• Pin functionsPin No Symbol I/O Functions1 /RESET I Hard reset input H:normal L:reset2 MiMD I Micon I/F mode select input3 /MiCS I

1-52 (No.49793)4.18 UPD784217AGC208 (IC962) : Main micon• Pin Layout• Pin functions1~2575~51100 ~ 7626 ~ 50Pin No Symbol I/O Function1NC-Not u

(No.49793)1-5341 LCD_DA O Data output to LCD driver42 LCD_SCK O Clock output to LCD driver43 LCD-CE1 O Chip enable output 1 to LCD driver44 BUZZER O B

1-54 (No.49793)4.19 UPD784225GK-629 (IC1501) : CPU• Pin layout• Pin function60 ~ 411 ~ 2040~2161~80Pin No. Symbol I/O

(No.49793)1-5539 MP3 RESET O CD MP3 reset signal output terminal40 MP3 STB O CD MP3 standby signal output terminal (H:Standby)41~43 - - -44 DAC ML O D

1-56 (No.49793)4.20 PCM1716E-X (IC1571) : D/A converter• Pin layout• Block diagram• Pin function11428 15BCKVoutLVcc2LVcc2RAGND2LAGND2REXTLEXTRZEROVout

KD-LX555R2-112345ABC DEFGHRESTRESTSWITCHLOAD/FEED+LOAD/FEED-LOAD/FEEDMOTORSPINDLE+SPINDLE-SPINDLEMOTORSW1SW2SW1SW2FOCUS+FOCUS-TRACKING+TRACKING-A,B,E,

KD-LX555R2-2KD-LX555R12345ABC DEFGHParts are safety assurance parts.When replacing those parts makesure to use the specified one.TUNER SIGNALCD SIGNAL

KD-LX555R2-312345ABC DEFGHCD SIGNALTP20TP21TP22TP23TP24TP26TP25AVCCFGNDEVREFBVRMDLDFOCUS-FOCUS+TRACKING+TRACKING-SPINDLE+SPINDLE-RESTSW2SW1GNDLOAD/FEE

(No.49793)1-334.2 BR24C01AFV-W-X (IC1502) : EEPROM•Pin layout• Block diagram• Pin function*1 An open drain output requires a pull-up resister.A0 A1 A

KD-LX555R2-4KD-LX555R12345ABC DEFGH1112#31S8S7S6S5S4S3S2S1S74S73S72S71S69S68S67S66S65S64S63S62S61S60S59COM1COM8COM7COM6COM5COM4COM3COM2 P1P2P3P4VDDVLC

KD-LX555R3-6Electrical parts listMain boardBlock No. [0][1][0][0]Symbol No.Part No. Part Name Description LocalIC51 000874740-T IC BU1923FIC400 00097

KD-LX555R3-7C713 CE2271468 E CAPACITOR 220MF/10VC719 CZ2216D2J C CAPACITOR 220PFC720 CY473623J C CAPACITOR 0.047MFC721 CY222623J C CAPACITOR 0.0022MFC

KD-LX555R3-8Front boardBlock No. [0][2][0][0]R727 RK103JA0J C RESISTOR 1/10W 10KR728 RK222JA0J C RESISTOR 1/10W 2.2KR731 RK473JA0J C RESISTOR 1/10W

KD-LX555R3-9CD boardBlock No. [0][3][0][0]C607 CY104423J C CAPACITOR 0.1MFC608 CY104423J C CAPACITOR 0.1MFC609 CZ6816D2J C CAPACITOR 680 PFC610 CY4

KD-LX555R3-10C1577 CY104623J C CAPACITOR 0.1 MFC1578 CX476012L E CAPACITOR 47MF/6.3VC1579 CX106312L E CAPACITOR 10MF/16VC1580 CY104623J C CAPACITOR 0.

KD-LX555R3-11R1584 RK123JA0J C RESISTOR 1/10W12KR1585 RK303JA0J COMP.RESISTOR 1/10W30KR1586 RK303JA0J COMP.RESISTOR 1/10W30KR1587 RK473JA0J C RESISTOR

1-34 (No.49793)4.3 BR24C32F (IC703) : EEPROM• Pin Layout• Pin layout & Block diagram• Pin function4.4 HD74HC126FP (IC771) : Changer ControlSDASCLW

(No.49793)1-354.5 BU1923F (IC51) : RDS decoder•Pin layout• Block diagram12345678161514131211109QUALRDATAVrefMUXVDD1VSS1VSS3CMPRCLKN.C.XOXIVDD2VSS2T1T2

1-36 (No.49793)4.6 HA13164A (IC961) : Regulator• Terminal layout• Block diagram• Pin function123456789101112131415Pin No. Symbol Function1 EXTOUT Outp

(No.49793)1-374.7 HD74HCT126T-X : (IC1500,IC1503) Buffer• Pin arrangement • Pin functionH : High levelL : Low levelX : IrrelevantZ : Off (Hhigh-impeda

1-38 (No.49793)4.8 LA47505 (IC941) : Power amp.• Terminal layoutMuting &On Time ControlCircuitprotective circuitMutecircuitProtectivecircuitRipple

(No.49793)1-39• Terminal layout• Pin functionAC CONT1GND1OUTFR-STBYOUTFR+Vcc1/2OUTRR-GND2OUTRR+VREFINRRINFRSGNDINFLINRLONTIMEOUTRL+GND3OUTRL-Vcc3/4OUT