LG LAD-9600 Service Manual page 66

CPD-03 DVD/CD CAR MODULE PART
ELECTRICAL TROUBLESHOOTING GUIDE..................................................................................4-2
1. DISC LOADING .........................................................................................................................4-2
2. FOCUS SEARCH AND LASER DIODE.....................................................................................4-3
3. SPINDLE ....................................................................................................................................4-4
4. FOCUS SERVO ........................................................................................................................4-4
5. TRACK SERVO..........................................................................................................................4-5
6. READ RF ...................................................................................................................................4-5
CIRCUIT DIAGRAMS .......................................................................................................................3-6
1. CIRCUIT DIAGRAM_1 ...............................................................................................................4-6
2. CIRCUIT DIAGRAM_2 ...............................................................................................................4-8
•WAVEFORMS.............................................................................................................................4-10
PRINTED CIRCUIT DIAGRAMS ....................................................................................................3-12
1. MD P.C. BOARD ......................................................................................................................4-12
SECTION 4
CONTENTS
4-1