LG KM710 Service Manual - Page 66

< Connection of Main PCB &gt

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4. Trouble Shooting < Connection of Main PCB > MLCD_DATA(15:0) SLIDE FPCB CONNECTOR FL800 EVRC14S03Q030100R 1 9 INOUT_A1 INOUT_B1 2 8 INOUT_A2 INOUT_B2 3 7 INOUT_A3 INOUT_B3 4 6 INOUT_A4 INOUT_B4 5 G1 10 G2 MLCD_DATA(0) MLCD_DATA(1) MLCD_DATA(2) MLCD_DATA(3) MLCD_DATA(4) MLCD_DATA(5) MLCD_DATA(6) MLCD_DATA(7) MLCD_DATA(8) MLCD_DATA(9) MLCD_DATA(10) MLCD_DATA(11) MLCD_DATA(12) MLCD_DATA(13) MLCD_DATA(14) MLCD_DATA(15) FL801 EVRC14S03Q030100R 1 9 INOUT_A1 INOUT_B1 2 8 INOUT_A2 INOUT_B2 3 7 INOUT_A3 INOUT_B3 4 6 INOUT_A4 INOUT_B4 5 G1 10 G2 FL802 EVRC14S03Q030100R 1 9 INOUT_A1 INOUT_B1 2 8 INOUT_A2 INOUT_B2 3 7 INOUT_A3 INOUT_B3 4 6 INOUT_A4 INOUT_B4 5 G1 10 G2 FL803 EVRC14S03Q030100R 1 9 INOUT_A1 INOUT_B1 2 8 INOUT_A2 INOUT_B2 3 7 INOUT_A3 INOUT_B3 4 6 INOUT_A4 INOUT_B4 5 G1 10 G2 MLCD_CS MLCD_RESET SLCD_CS MLCD_WR FL804 EVRC14S03Q030100R 1 9 INOUT_A1 INOUT_B1 2 8 INOUT_A2 INOUT_B2 3 7 INOUT_A3 INOUT_B3 4 6 INOUT_A4 INOUT_B4 ZD801 PRSB6.8C 5 G1 10 G2 100 ohm 15pF DP_2V8 SLCD_RESET R802 15 LCD_ID MLCD_RD ZD802 PRSB6.8C MLCD_VSYNC MLCD_RS KBC(0) KBC(1) 1 CN801 64 2 63 3 62 4 61 5 60 6 59 7 58 8 57 9 56 10 55 11 54 12 53 13 52 14 51 15 50 16 49 17 48 18 47 19 46 20 45 21 44 22 43 23 42 24 41 25 40 26 39 27 38 28 37 29 36 30 35 31 34 32 33 LED_OUT For LCD LED VRIO For HALL IC ESD9X5.0ST5G INSTPAR VIBRATOR ZD310 LED_CA1 LED_CA2 LED_CA3 SLED_CA1 SLED_CA2 SENSOR_I2C_SCL SENSOR_I2C_SDA SENSOR_INT LED_I2C_SCL LED_I2C_SDA WHEEL_RESET HALL1_OUT HALL2_OUT HALL_PDN VA800 EVLC5S02100 SPK_RCV_N SPK_RCV_P KBR(4) KBR(5) VA802 VA803 EVLC5S0E2V1L0C05S02100 VA804 VA805 EVLC5S0E2V1L0C05S02100 GB042-64S-H10-E300 - You must check signals LCD Connector Side of a Main FPCB because you could check final signal states through EMI Filter, connector, FPCB and etc. Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 67 - LGE Internal Use Only

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LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc.
All right reserved.
Only for training and service purposes
4. Trouble Shooting
- 67 -
< Connection of Main PCB >
- You must check signals LCD Connector Side of a Main FPCB
because you could check final signal states through EMI Filter, connector, FPCB and etc.
For HALL IC
SLIDE FPCB CONNECTOR
100 ohm 15pF
For LCD LED
GB042-64S-H10-E300
ESD9X5.0ST5G
ZD310
INSTPAR
PRSB6.8C
ZD802
EVLC5S02100
VA803
EVLC5S02100
VRIO
VA802
4
INOUT_B1
9
8
INOUT_B2
INOUT_B3
7
6
INOUT_B4
EVRC14S03Q030100R
FL800
5
G1
10
G2
1
INOUT_A1
INOUT_A2
2
3
INOUT_A3
INOUT_A4
EVRC14S03Q030100R
FL803
5
G1
10
G2
1
INOUT_A1
INOUT_A2
2
3
INOUT_A3
INOUT_A4
4
INOUT_B1
9
8
INOUT_B2
INOUT_B3
7
6
INOUT_B4
DP_2V8
R802
15
1
INOUT_A1
INOUT_A2
2
3
INOUT_A3
INOUT_A4
4
INOUT_B1
9
8
INOUT_B2
INOUT_B3
7
6
INOUT_B4
EVRC14S03Q030100R
FL801
5
G1
10
G2
EVLC5S02100
VA800
VA805
EVLC5S02100
EVLC5S02100
VA804
7
8
9
50
51
52
53
54
55
56
57
58
59
6
60
61
62
63
64
36
37
38
39
4
40
41
42
43
44
45
46
47
48
49
5
20
21
22
23
24
25
26
27
28
29
3
30
31
32
33
34
35
1
10
11
12
13
14
15
16
17
18
19
2
CN801
INOUT_A4
4
INOUT_B1
9
8
INOUT_B2
INOUT_B3
7
6
INOUT_B4
6
INOUT_B4
EVRC14S03Q030100R
FL802
5
G1
10
G2
1
INOUT_A1
INOUT_A2
2
3
INOUT_A3
EVRC14S03Q030100R
FL804
5
G1
10
G2
1
INOUT_A1
INOUT_A2
2
3
INOUT_A3
INOUT_A4
4
INOUT_B1
9
8
INOUT_B2
INOUT_B3
7
PRSB6.8C
ZD801
HALL_PDN
KBC(1)
SENSOR_INT
LCD_ID
HALL1_OUT
SPK_RCV_P
SPK_RCV_N
KBR(4)
MLCD_VSYNC
SLCD_RESET
MLCD_RS
MLCD_RD
SENSOR_I2C_SDA
LED_CA2
LED_CA1
LED_CA3
SLED_CA2
SLED_CA1
KBR(5)
HALL2_OUT
VIBRATOR
LED_I2C_SCL
LED_I2C_SDA
WHEEL_RESET
SENSOR_I2C_SCL
KBC(0)
LED_OUT
MLCD_CS
MLCD_RESET
SLCD_CS
MLCD_WR
MLCD_DATA(3)
MLCD_DATA(4)
MLCD_DATA(5)
MLCD_DATA(6)
MLCD_DATA(7)
MLCD_DATA(8)
MLCD_DATA(9)
MLCD_DATA(10)
MLCD_DATA(11)
MLCD_DATA(12)
MLCD_DATA(13)
MLCD_DATA(14)
MLCD_DATA(15)
MLCD_DATA(15:0)
MLCD_DATA(0)
MLCD_DATA(1)
MLCD_DATA(2)