LG LX-D2640 Service Manual page 16

Pin NO. Symbol
51 VDD
52 V18
53 V19
54 V20
55 V21
56 V22
57 V23
58 V24
59 V25
60 V26
61 V27
62 V28
63 V29
64 V30
65 V31
66 V32
67 V33
68 V34
69 V35
70 V36
71 V37
72 V38
73 V39
74 V40
75 V46
76 V45
77 V44
78 V43
79 V42
80 V41
81 V47
82 V48
83 V49
84 V50
85 V51
86 V52
87 VKK
88 VDD
89 XIN
90 VSS
91 XOUT
92 RESET
93 XTIN
94 XTOUT
95 TEST
96 P20
97 P00
98 P01
99 P02
100 P03
Description
VDD3 DC +5V
FL19 FLT Plate voltage control signal output PORT.
FL20 FLT Plate voltage control signal output PORT.
FL21 FLT Plate voltage control signal output PORT.
FL22 FLT signal output PORT./ D5640/2640
FL23 FLT signal output PORT./ DTS
FL24 FLT signal output PORT./ P-SAVE
FL25 FLT signal output PORT./ DECK A-STOP
FL26 FLT signal output PORT./ AREA-1
FL27 FLT signal output PORT./ AREA-2
FL28 FLT signal output PORT./ AREA-3
FL29 FLT signal output PORT./ FM STEP 100K/50K
FLT signal output PORT./ AM STEP 9K/10K
FLT signal output PORT./ RDS
FLT signal output PORT./ COLON
OPTION OPTIO DATA INPUT PORT.
NC -
NC -
NC -
NC -
NC -
NC -
NC -
EXP1-DO EXPENDER IC DATA SIGNAL SUPPLY PORT.
EXP1-CLK EXPENDER IC CLK SIGNAL SUPPLY PORT.
EXP2-CLK EXPENDER IC CLK signal supply PORT.
EXP2-DO EXPENDER IC DATA signal supply PORT.
MIC_SENS MIC_SENS signal input PORT.
LED-CTL LED CONTROL. PORT
BEAT-CUT TUNER BEAT CUT circuit Control PORT.
MOTOR DECK Motor Power Control
SOL MD Solenoid Control
NC -
NC -
NC -
NC -
VKK VKK -27V INPUT PORT
VDD1 DC +5V
CF1 MAIN Crystal(12.5 MHz) OSCILATES signal input PORT.
VSS1 GND
CF2 MAIN Crystal(12.5 MHz) OSCILATES signal output PORT.
RESET MICOM Reset PORT
XT1 TIME Crystal(32.768 KHz) OSCILATESsignal input PORT.
XT2 TIME Crystal(32.768 KHz) OSCILATESsignal output PORT.
NC -
PLL-CE TUNER PLL IC ø° CE signal supply PORT.
PLL-CLK TUNER PLL IC ø° CLK signal supply PORT.
PLL-DI TUNER PLL IC DATA INPUT PORT.
PLL-DO TUNER PLL IC ø° DATA signal supply PORT.
RDS-DATA RDS DATA signal input PORT.
- 2-9 -
(V) Remarks
4.8
-24
-16.7
-14
-22
-17
-14
-19
-27
-24
-21
-14.5
-27
-27
-27
2.3
0
0
0
0
0
0
0
0
0
0
0
0
4.7
0
0.14
0.14
0
0
0
0
-27
4.8
0
-1.7
-1.6
4.8
2.3
2.5
0
0
0
3
0
0.5