LG LAC-M2500 User manual

SERVICE MANUAL MODEL : LAC-M2500, LAC-M2500R
2005
DETACHABLE FRONT
PANEL CAR CD RECEIVER
SERVICE MANUAL
MODEL : LAC-M2500, LAC-M2500R
CAUTION
BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS”
IN THIS MANUAL.

2-19 2-20
❏BLOCK DIAGRAM
TU101
11,12
CET85XX
20 4,14
16,17,
18,19
2(LR)
9.4V 14V
24
72, 73, 74,
75, 76, 81
58, 60
29, 31, 35, 37
9,10,11,
12,13,14 7,8,20
1,2
4
5,6,23,26 15,16,17,18
10,14
8,12
16
17
27
28
25,26
23,24
10,14
2
11,15
12,14
17,19
7,9
21,23
3,5
6,20
22
Q720,721,722,723
56~60
1~50
61~64
29
14,19
30,31,32,36
68,69,70,71
54 25510
11
24 3 90 6 91 4 43
56,57
66,67
47,48
38
39
7
15, 16, 17, 18
PICK-UP
CD MECHA
(CD303-C004A)
MOTOR
DRIVE IC
(AM5810)
DSP IC
(MN6627933)
RF IC
AN22004A
RADIO VCC
Q310,ZD313
LINE SW/E.VOLUME
9.4V REG
Q360,ZD361
POWER 5V
Q282,Q283
7.5V REG
Q350,351
3.3V REG
IC505
U-COM
uPD784214A
KEY MATRIX
RESISTOR
RADER
RESET
IC201
5V CONVERT
Q260,D233
REG 9V
IC403
Q371
LCD
CONTROL
LCD DRIVER
IC901 PT6524
LCD DISPLAY
DIMMER CONTROL
Q371
PHONE MUTE
Q280,281
ACC DETECTOR
Q230,D231,D232
REMOTE
CONTROL
Q320,321
ANT CONTROL
Q390,391
POWER ON
Q380,381
MUTE
CCNTROL
POWER AMP
IC803
TDA8275HQ
L-SPEAKER
L-SPEAKER
FRONT
R-SPEAKER
REAR
R-SPEAKER
LINE-OUT
(OPTION)
CDC SIGNAL
PN801 #16
BACK_UP
PN801 #10
PWR_ANT
PN801 #6
REMOTE
PN801 #14
ACC
PN801 #5
PHONE
PN801 #11
DIMMER
2(FL,FR)
2(RL,FR)
2(RL,RR)
4-CH
(FL,FR,RL,RR)
IC601 TDA7438D
IC401

❏SCHEMATIC DIAGRAM
1. MAIN SCHEMATIC DIAGRAM
2-21 2-22

2-23 2-24
2. FRONT SCHEMATIC DIAGRAM

2-25 2-26
3. CDP SCHEMATIC DIAGRAM