Jvc KDLX 111 R Service Manual

Page 1

KD-LX111R

JVB

SERVICE MANUAL

CD RECEIVER

KD-LX1 1 1 R

compact

DIGIYAL numu

@

R-D-S

an :11

Area suffix

E ----------- Continental Europe

EX --------------- Central Europe
Contents
Safety precaution - 1-2 Flow of functional
Preventing static electricity ............. 1-3 operation unitl TOC read ------ 1-14
Disassembly method ------------ 1-4 Maintenance of laser pickup ------------ 1-16
Adjustment method ---------------------- 1-13 Replacement of laser pickup ----------- 1-16

Description of major ICs ----------------- 1-17~31

No.49714

COPYRIGHT <9) 2002 VICTOR COMPANY OF JAPAN, LTD.
Jun. 2002

Page 2

Description of major le

I FAN8037 (IC581) : CD driver

1. Pin layout & Block diagram

KD-LX111R

48 47 46 45 44 43 42 417 40 39 38 37

1 t J 36

2 + , 35

3 7 34

4 t 33

5 7 32

6 t ' + 31

7 30

5 M +

8 w 8 , 29

9 + 28

1o 2

11 f, g : 26

13 14 15 16 1 18 19 20 21 22 23 24
2. Pin function

fig Symbol I/O Function fig Symbol l/O Function
1 |N2+ | CH2 op-amp input(+) 25 007+ 0 CH7 drive output(+)
2 |N2- | CH2 op-amp input(-) 26 D06- 0 CH6 drive output(-)
3 OUT2 0 CH2 op-amp output 27 006+ 0 CH6 drive output(+)
4 lN3+ | CH3 op-amp input(+) 28 PGNDZ - Power ground2
5 |N3- | Ch3 op-amp input(-) 29 DOS- 0 CH5 drive output(-)
6 OUTS 0 CH3 op-amp output 30 005+ 0 CH5 drive output(+)
7 |N4+ | CH4 op-amp input(+) 31 D04- 0 CH4 drive output(-)
8 |N4- | CH4 op-amp input(-) 32 004+ 0 CH4 drive output(+)
9 OUT4 0 CH4 op-amp output(+) 33 D03- 0 CH3 drive output(-)
10 CTL1 | CH5 motor speed control 34 003+ 0 CH3 drive output(+)
11 FWD1 | CH5 forward input 35 PGND1 - Power ground1
12 REV1 | CH5 reverse input 36 D02- 0 CH2 drive output(-)
13 CTL2 | CH6 motor speed control 37 D02+ 0 CH2 drive output(+)
14 FWDZ | CH6 forward input 38 D01- 0 CH1 drive output(-)
15 REV2 | 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 | Regulator feedback input
18 REV3 | CH7 reverse input 42 REGX O Regulator output
19 CTL3 | CH7 motor speed control 43 RESX | Regulator reset input
20 SE I Stand by 44 VREF l Bias voltage input
21 PS | Power save 45 SVCC - Signal supply voltage
22 MUTE | All mute 46 |N1+ l CH1 op-amp input(+)
23 PVCCZ - Power supply voltage 47 |N1- | CH1 op-amp input(-)
24 D07- 0 CH7 drive output(-) 48 OUT1 0 CH1 op-amp output