LG LX-D2640 Service Manual page 15

❏ IC/TR VOLTAGE & PIN DESCRIPTION
SYSTEM CONTROL PART.
1. MICOM LC87F67C8A
Pin NO. Symbol
1 P04
2 P05
3 P06
4 P07
5 P10
6 P11
7 P12
8 P13
9 P14
10 P15
11 P16
12 P17
13 P30
14 P31
15 P32
16 P33
17 A0
18 A1
19 A2
20 A3
21 A4
22 A5
23 A6
24 A7
25 PGM
26 D5
27 D6
28 D7
29 VSS2
30 GND
31 VAREF
32 VDD
33 V0
34 V1
35 V2
36 V3
37 V4
38 V5
39 V6
40 V7
41 V8
42 V9
43 V10
44 V11
45 V12
46 V13
47 V14
48 V15
49 V16
50 V17
Description
RDS CLK RDS IC Clock PORT
DVD-CE DVD CE supply PORT.
REMOTE REMOCON SIGNAL INPUT PORT.
T-MUTE TUNER MUTE Control PORT.
A8 NC
P_SENS P-SENS signal input PORT.
VOL B VOL DATA B INPUT PORT.
VOL A VOL DATA A INPUT PORT.
DVD-CLK DVD CLK SIGNAL SUPPLY PORT.
DVD_DATA DVD DATA SIGNAL SUPPLY PORT.
AUDIO-DTAT DVD AUDIO DATA PORT
DVD-RESET DVD Reset PORT
FUN_DA FUNCTION IC DATA SIGNAL SUPPLY PORT.
FUN_CLK FUNCTION IC CLK SIGNAL SUPPLY PORT.
VOL-DATA DVD VOL DATA PORT
VOL-CLK DVD VOL CLK PORT
KEY 1 KEY SIGNAL (AD) INPUT PORT.
KEY2 KEY SIGNAL (AD) INPUT PORT.
AMP(FR)KEY AMP FRONT KEY SIGNAL (AD) INPUT PORT.
DK-LEAF DECK NORMAL OPERATION SIGNAL (AD) INPUT PORT.
SPEANA SIGNAL SENS. FOR LEVEL METER
SCORE -
HP-SENS HP-SENS INPUT PORT
NC -
HALL DECK Counter signal input PORT.
NC -
NC -
NC -
VSS2 VSS
GND GND
VDD2 DC +5V
VDD4 DC +5V
FL01 FLT Grid voltage control signal output PORT.
FL02 FLT Grid voltage control signal output PORT.
FL03 FLT Grid voltage control signal output PORT.
FL04 FLT Grid voltage control signal output PORT.
FL05 FLT Grid voltage control signal output PORT.
FL06 FLT Grid voltage control signal output PORT.
FL07 FLT Grid voltage control signal output PORT.
FL08 FLT Grid voltage control signal output PORT.
FL09 FLT Grid voltage control signal output PORT.
FL10 FLT Grid voltage control signal output PORT.
FL11 FLT Plate voltage control signal output PORT.
FL12 FLT Plate voltage control signal output PORT.
FL13 FLT Plate voltage control signal output PORT.
FL14 FLT Plate voltage control signal output PORT.
FL15 FLT Plate voltage control signal output PORT.
FL16 FLT Plate voltage control signal output PORT.
FL17 FLT Plate voltage control signal output PORT.
FL18 FLT Plate voltage control signal output PORT.
- 2-8 -
(V) Remarks
0.6
0.2
4.4
0
-
4.7
4.9
4.9
4.9
3.1
4.7
4.6
0
0
0
0
4.9
4.9
4.9
4.9
0
0
0.4
-
4
0
0
0
0
0
4.9
4.9
-25
-25
-25
-25
-25
-25
-25
-25
-25
-25
-25
-25
-25
-25
-27
-11.6
-19.2
-22