JVC KD-lx300 KD-lx100 free download

File name kd-lx300_kd-lx100.pdf

KD-LX300/KD-LX100 SERVICE MANUAL CD RECEIVER KD-LX300/KD-LX100 Area Suffix J Northern America SEL 7 8 9 10 11 12 OFF Difference piont KD-LX300 KD-LX100 LINE IN O X SUBWOOFER OUT O X Contents Safety preccaution Preventing static electricity Disassembly method Adjustment method Extension cord connectiong method Functions of the mechanism under the service mode Flow of functional operation until TOC read Maintenance of laser pickup Replacement of laser pickup Description of major ICs 1-2 1-3 1-4 1-13 1-14 1-16 1-18 1-19 1-19 1-21~37 COPYRIGHT 2001 VICTOR COMPANY OF JAPAN, LTD. No.49635 Apr. 2001 KD-LX300/KD-LX100 Description of major ICs FAN8037 (IC661) : CD driver 1. Pin layout & Block diagram 48 1 2 3 4 5 6 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 7 8 9 10 11 12 13 14 15 16 17 18 s w s w s w M S C M S C M S C T.S.D D D D D 30 29 28 27 26 25 23 24 D D STAND BY ALL MUTE POWER SAVE 19 20 21 22 2. Pin function Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Symbol IN2+ IN2OUT2 IN3+ IN3OUT3 IN4+ IN4OUT4 CTL1 FWD1 REV1 CTL2 FWD2 REV2 SGND FWD3 REV3 CTL3 SB PS MUTE PVCC2 DO7- I/O I I O I I O I I O I I I I I I I I I I I I O Function CH2 op-amp input(+) CH2 op-amp input(-) CH2 op-amp output CH3 op-amp input(+) Ch3 op-amp input(-) CH3 op-amp output CH4 op-amp input(+) CH4 op-amp input(-) CH4 op-amp output(+) CH5 motor speed control CH5 forward input CH5 reverse input CH6 motor speed control CH6 forward input CH6 reverse input Signal ground CH7 forward input CH7 reverse input CH7 motor speed control Stand by Power save All mute Power supply voltage CH7 drive output(-) Pin No. 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 Symbol DO7+ DO6DO6+ PGND2 DO5DO5+ DO4DO4+ DO3DO3+ PGND1 DO2DO2+ DO1DO1+ PVCC1 REGOX REGX RESX VREF SVCC IN1+ IN1OUT1 I/O O O O O O O O O O O O O O I O I I I I O Function CH7 drive output(+) CH6 drive output(-) CH6 drive output(+) Power ground2 CH5 drive output(-) CH5 drive output(+) CH4 drive output(-) CH4 drive output(+) CH3 drive output(-) CH3 drive output(+) Power ground1 CH2 drive output(-) CH2 drive output(+) CH1 drive output(-) CH1 drive output(+) Power supply voltage Regulator feedback input Regulator output Regulator reset input Bias voltage input Signal supply voltage CH1 op-amp input(+) CH1 op-amp input(-) CH1 op-amp output 1-21 KD-LX300/KD-LX100 UPD784215AGC-128 (IC701) : UNIT CPU 1.Terminal Layout 75 76 ~ 51 50 100 1 ~ 2.Pin Function (1/2) Pin No. ~ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 Symbol SW2 SW3 SW4 REST-SW LM0 LM1 DIMMER-OUT LCD-PWR VDD X2 X1 VSS XT2 XT1 RESET SW1 BUS-INT PS2 CRUISE NC NC REMOCON AVDD AVREF0 VOL1 VOL2 KEY0 KEY1 KEY2 LEVEL NC S.METER AVSS W-VOL DOT-CONT AVREF BUS-SI BUS-SO BUS-SCK STAGE2 LCD-DA LCDCL 26 25 ~ I/O I I I I O O O O I I I I I I I I I I I I I I O O I O I/O I O O Function Detection switch of CD mechanism Detection switc