Jvc KDLX 330 Service Manual

Page 1

KD-LX300/KD-LX100

JVB
SERVICE MANUAL

CD RECEIVER

KD-LX300/KD-LX1 00

J ------ Northern America

Area Suffix

cuMpncr

DIGIYAL Aunla
TEXT

BB :11

Difference piont LINE IN SUBWOOFER OUT

KD-LX300 o o
KD-LX100 X X
Contents
Safety preccaution ------------------------- 1-2
Preventing static electricity -------------- 1-3
Disassembly method ---------------------- 1-4
Adjustment method ------------------------ 1-13

Extension cord connectiong method-- 1-14
Functions of the mechanism

under the service mode ----------------- 1-16
Flow of functional operation

until TOC read ----------------------------- 1-18
Maintenance of laser pickup ------------ 1-19
Replacement of laser pickup ------------ 1-19
Description of major le ----------------- 1-21 ~37

No.49635

COPYRIGHT c 2001 VICTOR COMPANY OF JAPAN, LTD.
\ Apr. 2001

Page 2

Description of major le

I FAN8037 (IC661) : CD driver
1. Pin layout & Block diagram

2. Pin function

KD-LX300/KD-LX100

Pin

5i: Symbol l/O Function ND. Symbol l/O Function

1 |N2+ l CH2 op-amp input(+) 25 DO7+ 0 CH7 drive output(+)
2 |N2- l CH2 op-amp input(-) 26 006- 0 CH6 drive output(-)

3 OUT2 0 CH2 op-amp output 27 D06+ 0 CH6 drive output(+)
4 |N3+ | CH3 op-amp input(+) 28 PGND2 - Power ground2

5 |N3- l Ch3 op-amp input(-) 29 DOS- 0 CH5 drive output(-)

6 OUT3 0 CH3 op-amp output 30 D05+ 0 CH5 drive output(+)
7 |N4+ l CH4 op-amp input(+) 31 004- 0 CH4 drive output(-)

8 |N4- l CH4 op-amp input(-) 32 DO4+ 0 CH4 drive output(+)
9 OUT4 0 CH4 op-amp output(+) 33 003- 0 CH3 drive output(-)
10 CTL1 l CH5 motor speed control 34 D03+ 0 CH3 drive output(+)
11 FWD1 l CH5 forward input 35 PGND1 - Power ground1

12 REV1 I CH5 reverse input 36 002- 0 CH2 drive output(-)
13 CTL2 | CH6 motor speed control 37 DO2+ 0 CH2 drive output(+)
14 FWD2 l CH6 forward input 38 001- 0 CH1 drive output(-)
15 REV2 l CH6 reverse input 39 DO1+ 0 CH1 drive output(+)
16 SGND - Signal ground 40 PVCC1 - Power supply voltage
17 FWD3 | CH7 forward input 41 REGOX l Regulator feedback input
18 REV3 l CH7 reverse input 42 REGX O Regulator output

19 CTL3 l CH7 motor speed control 43 RESX l Regulator reset input
20 SB I Stand by 44 VREF l Bias voltage input

21 PS I Power save 45 SVCC - Signal supply voltage
22 MUTE I All mute 46 |N1+ l CH1 op-amp input(+)
23 PVCC2 - Power supply voltage 47 |N1- l CH1 op-amp input(-)
24 D07- 0 CH7 drive output(-) 48 OUT1 0 CH1 op-amp output

1-21