...................................................................................................................................................3-2
......................................................................................................................................3-5
...............................................................................................................................................3-11
2. MPEG CIRCUIT ...................................................................................................................................3-14
3. SERVO CIRCUIT .................................................................................................................................3-15
4. CHARGING CIRCUIT ..........................................................................................................................3-17
1. OVERALL BLOCK DIAGRAM ..............................................................................................................3-21
2. POWER BLOCK DIAGRAM.................................................................................................................3-22
3. SERVO BLOCK DIAGRAM..................................................................................................................3-23
4. SYSTEM BLOCK DIAGRAM................................................................................................................3-24
5. AV BLOCK DIAGRAM ..........................................................................................................................3-25
1. POWER CIRCUIT DIAGRAM ..............................................................................................................3-27
2. AV CIRCUIT DIAGRAM........................................................................................................................3-29
4. DC-DC CIRCUIT DIAGRAM ................................................................................................................3-33
5. MPEG CIRCUIT DIAGRAM .................................................................................................................3-35
1. MAIN P.C.BOARD ................................................................................................................................3-43
2. KEY P.C.BOARD ..................................................................................................................................3-47
3. USB P.C.BOARD..................................................................................................................................3-48
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
SECTION 3
ELECTRICAL
CONTENTS
................................................................................................................................3-2
...................................................................................................................................3-7
...................................................................................................................3-9
............................................................................................3-10
..................................................................................................3-18
.................................................................................................................................3-21
..............................................................................................................................3-27
.................................................................................................................3-39
.........................................................................3-3
.....................................................................3-11
.........................................................................................3-43
3-1
LGE Internal Use Only