LG 50PM4M-WA (CHASSIS:PM75A) Service Manual ▷ View online
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BLOCK DIAGRAM
ANX9021
(HDMI
RX'er
)
RXC
±
/RX0
±
RX1
±
/RX2
±
FLI8662
(Cortez Advanced)
NTP2000
(Digital Audio Processor)
TAS5122
(D-CLASS AMP)
NJU26901
(Audio Delay)
LC FILTER
OUT1A
OUT1B
OUT2A
OUT2B
MSP4440K
(Audio Processor)
AT49BV160
(Flash Memory)
HY5DU281622ETP
(DDR SDRAM)
HY5DU281622ETP
(DDR SDRAM)
CXA2040AQ
(Video Switch)
LA7217M
(Video Sync
Seperator
)
74HC14D
(Schmitt Trigger
Inverter)
CM2021
(ESD
Protector)
ICL3232C
(RS232C)
AD8009
(OP AMP)
PC R/G/B
PC H/V SYNC
PC R/G/B OUT
PC H/V SYNC OUT
PC H/V SYNC
IR&LED Board
PDP Panel
KEY1 / KEY2
PREAMP IR
WIRE CONTROL
RXD / TXD
RXC
±
/RX0
±
RX1
±
/RX2
±
24 bit
SYNC_DE
V / Y_OUT
C_OUT
I2S
Delayed I2S
Y/C
CVBS
CVBS OUT
AV Audio IN
Component Audio IN
PC Audio IN
AV Audio OUT
Component 1,2 Y
Pb Pr
WIRE
CONTROL
RS-232C IN / OUT
HDMI
PC RGB IN / OUT
Component 1, 2 IN
PC Audio
Component 1, 2
Audio IN
CVBS
IN / OUT
CVBS Audio
IN / OUT
S-Video
27MHz
19.6608MHz
18.432MHz
500KHz
KEY CONTROL B'D
VIDEO PATH
AUDIO PATH
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EXPLODED VIEW
300
305
301
304
400
590
501
520
560
303
302
203
204
205
580
206
208
201
200
207
202
240
101
102
250
103
MAIN(TOP)
MAIN(BOTTOM)
PRINTED CIRCUIT BOARD
Control B/D(BOTTOM)
Control B/D(TOP)
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