LG DK676X - OVERALL BLOCK DIAGRAM

3-22
BLOCK DIAGRAMS
1. OVERALL BLOCK DIAGRAM
M
M
DISC
SPINDLE
MOTOR
LOADING
MOTOR
DECK MECHANISM
DVD:RF0,A,B,C,D CD:RF0,A,B,C,D,E,F
PICK
UP
IC502
MX29LV160
FLASH RO
M
A[00: 19] PCE# PRD# PWR #
DQ[00:15]
CVBS
Y[1:6]
Y
AC 90V~240V
50HZ/60Hz
STBY,TRCLOSE
27MHz X-TAL
IC506
KS24C021CS
EEPROM
IC603
MC4580
OP-AMP
LOAD+,LOAD-
F+,F-,T+,T-
SP+,SP-
SLED
(FEEDING)
MOTO
R
SL+,SL-
IC201
AM5869S
MOTOR
DRIVER
M
3.3VA
3.3VA
3.3VA/1.8VA
IC601
MM1692
VIDEO
BUFFER
ASPDIF COAX
OPTICAL
LD01,LD02, IOA,
V2.0
VCC/+8V
LIMIT
TROUT,TR
IN
TROPEN,TRSO,FOSO,DMSO,FMS
O
AD[0:7]
V1
P4
MDI1
APC
AUDIO_L
CN503
RS232
TXD
RXD
SCL
3.3VA
IC503
M12L64164A
SDRAM
MA[00:10] BA0 DCLK DCKE CS# RAS# CAS# WE#
DQM[0:1]
MA11,BA1
SDA
IC501
MT1389E
DSP/MPEG/RF
+12V
5V
3.3VA
R
L
POWER
BOARD
+8V
MGND
+5V
+12V
AGND
3.3VA
DGND
PW
R_CTL
B/Pb
R/Pr
G/
Y
PICKS
EL
IC508
CS5331
A
IC509
KA741
KARAOKE
JAC
K
ACL K AB CLK ALR CK
AMDA
T
R L
MIC_ON
MIC_I
N
KARAOKE OP TION
MUTE
AUDIO_
R
C
MUTE
IC301
6CH
DAC
IC302
MC4580
OP-AMP
+12V
IC303
MC4580
OP-AMP
+12V
IC304
MC4580
OP-AMP
+12V
+3.3V,5V
M M M M M M
ADATA1
ADATA2
ADATA
3
IC901
PT6961
+5V
TIMER VCR
REC
DVD
[P]
PM
TV
G1~G6
S1~S10
CLK
DIN
DOU
T
Power Input
Display (clock type)
FL
FR
CENTER
WOOFER
R/L
R/R
5.1 CH. OPTION
MT1389E