Jvc KDLX 100 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

Page 8

I BD3860K (IC911) : E. volume

1.Terminal layout

33 ~ 23
34 22
1 I
44 12
O 1 ~ 1 1

2.Bockdiagram

GND FIL VCC SEL1 VIN1

LOUD1

HFI LF1 DEl'1 VCA1MIX1BBOUT1 TIN1 TNFI BNFI

KD-LX300/KD-LX1OO

BOUT1

M {Ft-

SUPPLY

A1 7
0.13 dB LOUDNESS

INPUT MAIN
GAIN VOLUME _
0~-40 dB

"HE

PROCESS CONTROL +3to12dB

[LOW(1=50HZ) GdB

_, FADER

I T

C1

(1:1 OkHZ)

I T7

0~ -5 dB

INPUT

LOGIC

SI

SC

I

52 INPUT MAIN

GAIN VOLUME
O --40 dB
LOUDNESS

CZ

®
D1 @
% SELECTOR l i

D2 0 o~1adB

HIDE
LOW(f=50Hz) sdB
PROCESS CONTROL +3to12dB
(l=10kHz)

O~ -5 dB

THEBLE BASS

FADER

-14~+14dB -14-+14dB

0~-5dB

SELZ VIN2 LOUD2

3.Pin function

HF2 LF2 DET2 VCA2 MIX2 BBOUTZ TI N2 TN F2 BN F2

BOUT2

CH1 FRONT -(13 OUTF1

THEBLE BASS
i - 0~-5 dB
-14~+14dB -14~+14dB
FADER
CH1 FIEAFI 2 OUTFI1

7 FADER
l l T CH2FIEAFI 4(10 DUTRZ

CH2 FRONT 461 OUTF2

{:2 Symbol Function fig: Symbol Function
1 A2 CH2 Input Pin A 23 VCA2 CH2 High Pass VCA Output Pin
2 B2 CH2 Input Pin B 24 LF2 CH2 Low Pass Filter Setting Pin
3 C2 CH2 Input Pin C 25 HF2 CH2 High Pass Filter Setting Pin
4 D2 CH2 Input Pin D 26 DET2 CH2 High Pass Attack/Release Time Setting Pin
5 FIL 1/2 VCC Pin 27 NC Non Connect
6 GND Ground Pin 28 DET1 CH1 High Pass Attack/Release Time Setting Pin
7 SI Serial Data Receiving Pin 29 T|N1 CH1 treble Input Pin
8 SC Serial Clock Receiving Pin 30 BBOUT1 CH1 BBE || Signal Output Pin
9 VCC Power Supply Pin 31 M|X1 CH1 Output MIX Amplifier Inverse Input Pin
10 OUTR2 CH2 Rear Output Pin 32 VCA1 CH1 High Pass VCA Output Pin
11 OUTF2 CH2 Front Output Pin 33 LF1 CH1 Low Pass Filter Setting Pin
12 OUTR1 CH1 Rear Output Pin 34 HF1 CH1 High Pass Filter Setting Pin
13 OUTF1 CH1 Front Output Pin 35 LOUD1 CH1 Loudness Filter Setting Pin
14 BOUT1 CH1 Bass Filter Setting Pin 36 V|N1 CH1 Main Volume Input Pin
15 BNF1 CH1 Bass Filter Setting Pin 37 LOUD2 VCH2 Loudness Filter setting Pin
16 BOUT2 CH2 Bass Filter Setting Pin 38 V|N2 CH2 Main Volume Input Pin
17 BNF2 CH2 Bass Filter Setting Pin 39 SELZ CH2 Input Gain Output Pin
18 TNF2 CH2 treble Filter Setting Pin 40 SEL1 CH1 Input Gain output Pin
19 TNF1 CH1 treble Filter Setting Pin 41 A1 CH1 Input Pin A
20 T|N2 CH2 treble Input Pin 42 B1 CH1 Input Pin B
21 BBOUT2 CH2 BBE II Signal Output Pin 43 C1 CH1 Input Pin C
22 MIX2 CH2 Output MIX Amplifier 44 D1 CH1 Input Pin D
Inverse Input Pin

1 -27