LG 60PM680T-ZF (CHASSIS:PD22C) Service Manual ▷ View online
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
DDC_SDA_1
HPD1
DDC_SCL_1
SC_LOUT
SC_ROUT
I2C_SDA2
DISP_EN
R249
4.7K
ROM_DW_DA
ROM_DW_CK
R243
27K
I2C_SCL2
+3.3V_MULTI
R242
100
+3.3V_MULTI
R248
4.7K
P200
TF05-51S
HD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
RXD0-
RXD2-
RXD3+
RXD0+
RXD2+
RXD1+
RXD4-
RXDCK-
RXDCK+
RXD3-
RXD4+
RXD1-
RXC3-
RXC2-
RXCCK+
RXC1+
RXC4-
RXC3+
RXCCK-
RXC4+
RXC1-
RXC2+
RXC0+
RXC0-
RXBCK-
RXB3-
RXB4+
RXB1+
RXB4-
RXB0-
RXB1-
RXB0+
RXB2+
RXB2-
RXBCK+
RXB3+
RXACK-
RXA3-
RXA4+
RXA1+
RXA4-
RXA0-
RXA1-
RXA0+
RXA2+
RXA2-
RXACK+
RXA3+
RXA0+
RXB0+
RXA3+
RXB4+
RXA1-
RXA1+
RXB2+
RXA2+
RXB3-
RXACK-
RXBCK+
RXA4+
RXB0-
RXB1+
RXA4-
RXACK+
RXB3+
RXB2-
RXA0-
RXB4-
RXB1-
RXA3-
RXBCK-
RXA2-
DDC_SCL_4
DDC_SDA_4
HPD4
DDC_SCL_3
HPD3
DDC_SDA_3
CK-_HDMI2
CK+_HDMI2
D0-_HDMI2
D1-_HDMI2
D0+_HDMI2
D2+_HDMI2
D1+_HDMI2
D2-_HDMI2
DDC_SCL_2
DDC_SDA_2
HPD2
COMP1_Y/AV1_CVBS
COMP1_Pr
SC_FB
SC_G/COMP2_Pb
DSUB_G
DSUB_R
SC_B/COMP2_Y/AV2_CVBS
SC_R/COMP2_Pr
COMP1_Pb
DSUB_B
TU_CVBS
COMP1_Y/AV1_CVBS
SC_CVBS_IN
SC_CVBS_OUT
SC_B/COMP2_Y/AV2_CVBS
I2C_SDA4
I2C_SCL4
R250
0
OPT
TP200
R204
1K
R200
1K
R201
1K
R203
1K
5V_HDMI_2
5V_HDMI_3
5V_HDMI_4
5V_HDMI_1
+1.2V_MTK_CORE
DVDD3V3
USB_DM2
USB_DP2
USB_DM1
USB_DP1
WIFI_DM3
WIFI_DP3
DVDD3V3
+1.2V_MTK_CORE
DVDD3V3
D1+_HDMI3
D2-_HDMI3
CK+_HDMI3
D2+_HDMI3
D0+_HDMI3
CK-_HDMI3
D1-_HDMI3
D0-_HDMI3
CK+_HDMI4
D0+_HDMI4
D0-_HDMI4
D2+_HDMI4
CK-_HDMI4
D1-_HDMI4
D1+_HDMI4
D2-_HDMI4
CK+_HDMI1
D0+_HDMI1
D0-_HDMI1
D2+_HDMI1
CK-_HDMI1
D1-_HDMI1
D1+_HDMI1
D2-_HDMI1
EPHY_RDP
EPHY_TDP
EPHY_RDN
EPHY_TDN
R205
24K
+1.2V_MTK_CORE
DVDD3V3
+1.2V_MTK_CORE
DVDD3V3
R235
24K
1%
COMP1/AV1_L_IN
PC_R_IN
PC_L_IN
SC/COMP2/AV2_L_IN
SC/COMP2/AV2_R_IN
COMP1/AV1_R_IN
DVDD3V3
C242
0.01uF
50V
DIF_N
TU_SIF
DIF_P
R221
2.2K
2.2K
OPT
R220 0
C2410.01uF
R225
51
NO_T2_BR
R233
51
NO_T2_BR
R214
2.2K
2.2K
OPT
DVDD3V3
+1.2V_MTK_CORE
DAC_3V3
C250
0.1uF
0.1uF
IF_AGC
AUD_MCLK
ARC
AUD_LRCK
AUD_SCK
SPDIF_OUT
AUD_LRCH
DSUB_VSYNC
DSUB_HSYNC
C205
0.01uF
C207
0.01uF
C209
0.01uF
R210
100
R208
100
R212
100
R238
100
C246
0.01uF
C210
1500pF
RGB_DDC_SDA
RGB_DDC_SCL
C219
0.01uF
C221
0.01uF
C223
0.01uF
R222
100
R226
100
R224
100
C224
1500pF
NO_EU
R239
100
C247
0.01uF
C248
0.01uF
R240
100
R217
100
R215
100
R219
100
C216
0.01uF
C212
0.01uF
C214
0.01uF
DVDD3V3
+1.2V_MTK_CORE
R223
10K
NO_T2_BR
C232
0.047uF
25V
NO_T2_BR
TP202
TP201
DVDD3V3
R237
15KEU
R236
15KEU
TP203
TP204
TP205
TP206
R206
0
EU
P201
104060-8017
FHD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
R232
100
EU
R229
100
R230
100
R231
100
NO_EU
C227
0.047uF
C226
0.047uF
C239
0.047uF
EU
C238
0.047uF
NO_EU
C225
1uF
C200
0.1uF
0.1uF
C201
0.1uF
0.1uF
C211
0.1uF
0.1uF
C245
0.1uF
0.1uF
C254
0.1uF
0.1uF
C252
0.1uF
0.1uF
C253
0.1uF
0.1uF
C257
1500pF
R207
22
22
R209
22
22
TP207
RXB4+
RXC1-
RXD2-
RXB0-
RXACK-
RXC0-
RXA1+
RXCCK-
RXA3-
RXD0-
RXD2+
RXBCK+
RXDCK+
RXA2-
RXC1+
RXA4-
RXD3+
RXD3-
RXB2-
RXACK+
RXC4+
RXC2+
RXC3+
RXA0+
RXB3+
RXA3+
RXA1-
RXBCK-
RXD1+
RXC3-
RXC2-
RXB0+
RXD4-
RXB1+
RXB3-
RXC0+
RXD0+
RXA0-
RXDCK-
RXB4-
RXD4+
RXCCK+
RXD1-
RXB1-
RXB2+
RXA4+
RXC4-
RXA2+
MODEL_OPT_10
MODEL_OPT_8
PCM_5V_CTL
EMMC_RST
MODEL_OPT_9
MODEL_OPT_2
R244
4.7K
C202
33pF
50V
33pF
50V
C203
33pF
50V
33pF
50V
C228 1uF
NO_T2_BR
C2291uF
NO_T2_BR
C243
1uF
10V
IC100
LGE2112
HDMI_CEC
AA32
HDMI_0_SCL
AG33
HDMI_1_SCL
AE33
HDMI_2_SCL
AC33
HDMI_3_SCL
AH32
HDMI_0_SDA
AF33
HDMI_1_SDA
AD33
HDMI_2_SDA
AB33
HDMI_3_SDA
AH33
HDMI_0_PWR5V
AG31
HDMI_1_PWR5V
AE31
HDMI_2_PWR5V
AC31
HDMI_3_PWR5V
AH31
HDMI_0_HPD
AG32
HDMI_1_HPD
AE32
HDMI_2_HPD
AC32
HDMI_3_HPD
AJ32
AVDD12_HDMI_0_RX
AA24
AVDD12_HDMI_1_RX
Y24
AVDD12_HDMI_2_RX
W24
AVDD12_HDMI_3_RX
AB24
AVDD33_HDMI_0_RX
AB29
AVDD33_HDMI_1_RX
AA29
AVDD33_HDMI_2_RX
Y29
AVDD33_HDMI_3_RX
AC29
AVSS33_HDMI_RX_1
AB30
AVSS33_HDMI_RX_2
AD30
AVSS33_HDMI_RX_3
AF31
AVSS33_HDMI_RX_4
AF32
USB_DP_P0
C36
USB_DM_P0
C37
USB_DP_P1
D36
USB_DM_P1
D37
USB_DP_P2
AT13
USB_DM_P2
AU13
USB_DP_P3
AT14
USB_DM_P3
AU14
AVDD33_USB_P0P1
D35
AVDD33_USB_P2P3
AP13
AVSS33_USB_P1
D34
AVSS33_USB_P2
AR13
PCIE11_TXP
W35
PCIE11_TXN
W34
PCIE11_RXN
Y34
PCIE11_RXP
Y35
AVDD12_PCIE11
U24
AVDD33_PCIE11
V24
AVSS12_PCIE11
W30
PCIE11_REFCKN
W36
PCIE11_REFCKP
W37
HDMI_0_RX_0
AG35
HDMI_0_RX_0B
AG34
HDMI_0_RX_1
AG37
HDMI_0_RX_1B
AG36
HDMI_0_RX_2
AF35
HDMI_0_RX_2B
AF34
HDMI_0_RX_C
AH35
HDMI_0_RX_CB
AH34
HDMI_1_RX_0
AE37
HDMI_1_RX_0B
AE36
HDMI_1_RX_1
AD35
HDMI_1_RX_1B
AD34
HDMI_1_RX_2
AC35
HDMI_1_RX_2B
AC34
HDMI_1_RX_C
AE35
HDMI_1_RX_CB
AE34
HDMI_2_RX_0
AB35
HDMI_2_RX_0B
AB34
HDMI_2_RX_1
AA35
HDMI_2_RX_1B
AA34
HDMI_2_RX_2
AA37
HDMI_2_RX_2B
AA36
HDMI_2_RX_C
AC37
HDMI_2_RX_CB
AC36
HDMI_3_RX_0
AK35
HDMI_3_RX_0B
AK34
HDMI_3_RX_1
AJ35
HDMI_3_RX_1B
AJ34
HDMI_3_RX_2
AJ37
HDMI_3_RX_2B
AJ36
HDMI_3_RX_C
AJ33
HDMI_3_RX_CB
AK33
TXVP_0
AT18
TXVN_0
AU18
RXVN_1
AU17
RXVP_1
AT17
PHYLED1
AN16
PHYLED0
AM16
REXT
AD15
AVDD12_REC
AD14
AVDD33_COM
AD16
AVDD33_LD
AD17
AVSS33_LD
AL16
AVSS33_COM
AL15
AVSS12_REC
AL14
IC100
LGE2112
TCON0
F27
TCON1
E27
TCON2
F30
TCON3
F29
TCON4
B27
TCON5
A27
TCON6
B28
TCON7
A28
TCON8
C28
TCON9
D28
TCON10
E28
TCON11
F28
TCON12
B29
AVDD12_LVDS_1
AG6
AVDD12_LVDS_2
AJ6
AVDD12_VPLL
AF6
AVDD33_LVDSB
AE6
AVDD33_LVDSA
AH7
AVSS12_LVDS_2
AJ5
AVSS12_LVDS_1
AG5
AVSS12_VPLL
AF5
AVSS33_LVDSB
AE5
AVSS33_LVDSA
AH5
REXT_VPLL
AG7
AIN0_R_AADC
AU37
AIN0_L_AADC
AU35
AIN1_R_AADC
AT35
AIN1_L_AADC
AT37
AIN2_R_AADC
AU36
AIN2_L_AADC
AP34
AIN3_R_AADC
AT36
AIN3_L_AADC
AR37
AIN4_R_AADC
AR33
AIN4_L_AADC
AP32
AIN5_R_AADC
AR36
AIN5_L_AADC
AP37
AIN6_R_AADC
AR35
AIN6_L_AADC
AP36
AVDD33_AADC
AL31
AVSS33_AADC
AJ28
VMID_AADC
AJ27
MPXP
AN28
ADCINP_DEMOD
AU32
ADCINN_DEMOD
AT32
AVDD33_DEMOD
AD22
AVDD12_DEMOD
AL27
AVSS33_DEMOD
AM28
AVSS12_DEMOD
AJ26
IF_AGC
U35
RF_AGC
U34
LOUTN
AP31
LOUTP
AN30
OSCL2
V35
OSDA2
V34
SC0
AP28
SY0
AR29
CVBS3P
AT30
CVBS2P
AR30
CVBS1P
AR31
CVBS0P
AN29
CVBS_COM
AP30
AVDD33_CVBS_1
AK24
AVDD33_CVBS_2
AK25
AVSS33_CVBS_1
AL25
AVSS33_CVBS_2
AM26
AO3N
AG3
AO3P
AG4
AO4N
AG1
AO4P
AG2
AOCLKN
AF3
AOCLKP
AF4
AO2N
AE3
AO2P
AE4
AO1N
AE1
AO1P
AE2
AO0N
AD1
AO0P
AD2
AE4N
AL3
AE4P
AL4
AE3N
AL1
AE3P
AL2
AECLKN
AK3
AECLKP
AK4
AE2N
AJ3
AE2P
AJ4
AE1N
AJ1
AE1P
AJ2
AE0N
AH3
AE0P
AH4
BO4N
AT2
BO4P
AU2
BO3N
AT1
BO3P
AU1
BOCLKN
AR1
BOCLKP
AR2
BO2N
AP1
BO2P
AP2
BO1N
AN1
BO1P
AN2
BO0N
AM3
BO0P
AM4
BE4N
AT6
BE4P
AU6
BE3N
AP6
BE3P
AR6
BECLKN
AP5
BECLKP
AR5
BE2N
AT4
BE2P
AU4
BE1N
AP4
BE1P
AR4
BE0N
AP3
BE0P
AR3
AR0_ADAC
AN35
AL0_ADAC
AN34
AR1_ADAC
AM32
AL1_ADAC
AM34
AR2_ADAC
AM37
AL2_ADAC
AM33
AR3_ADAC
AM36
AL3_ADAC
AM35
AVDD33_DAC
AG30
AVDD33_DAC1
AF30
AVSS33_DAC
AK30
AVSS33_DAC1
AE30
ALIN
Y33
ASPDIF0
AR16
ASPDIF1
Y32
AOBCK
AR11
AOLRCK
AP11
AOMCLK
AM12
AOSDATA4
AM10
AOSDATA3
AM11
AOSDATA2
AN11
AOSDATA1
AN10
AOSDATA0
AN9
HSYNC
AN25
VSYNC
AM25
RP
AR25
GP
AR24
BP
AU24
COM
AP24
SOG
AT24
VGA_SDA
AR22
VGA_SCL
AP22
COM1
AT26
PB1P
AR26
PR1P
AP26
Y1P
AU26
SOY1
AP25
COM0
AU28
PB0P
AT28
PR0P
AR28
Y0P
AP27
SOY0
AR27
VDACX_OUT
AU30
VDACY_OUT
AP29
AVDD33_VDAC_BG
AD20
AVDD33_VDAC
AD21
AVDD12_RGB
AD19
AVSS33_VDAC_BG
AJ22
AVSS12_RGB
AJ21
AVSS33_VDAC
AL24
R245
4.7K
R202
2K
2K
Q200
MMBT3904(NXP)
E
B
C
R211
47K
47K
R213
4.7K
+3.3V_MULTI
C204
330pF
50V
330pF
50V
EU
C206
330pF
50V
330pF
50V
EU
LD200
LTST-C150KGKT
D200
MMBD6100
A2
C
A1
R589
0
0
1/16W
5%
5%
USB_DP4
USB_DM4
LVDS
Close to Tuner
Close to MT5395
Don’t use as GPIO
Close to MT5395
S/Demod , LNB
Close to MT5395
JACK SIDE PLACE
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
+3.3V_MULTI
+1.2V_MTK_CORE
+1.2V_MTK_CORE
DVDD3V3
C343
0.1uF
0.1uF
C328
0.1uF
0.1uF
+1.2V_MTK_CORE
C312
0.1uF
0.1uF
OPT
C307
0.1uF
0.1uF
OPT
DVDD3V3
L300
BLM18PG121SN1D
C306
0.1uF
0.1uF
C313
0.1uF
0.1uF
C311
0.1uF
0.1uF
DAC_3V3
C329
0.1uF
0.1uF
C350
0.1uF
0.1uF
C325
0.1uF
0.1uF
C337
0.1uF
0.1uF
C333
0.1uF
0.1uF
C347
0.1uF
0.1uF
C322
0.1uF
0.1uF
C341
0.1uF
0.1uF
C315
0.1uF
0.1uF
C310
0.1uF
0.1uF
C308
0.1uF
0.1uF
C352
10uF
10V
10uF
10V
C321
22uF
22uF
6.3V
C300
10uF
10uF
6.3V
C305
10uF
10uF
6.3V
C319
10uF
10uF
6.3V
C354
10uF
6.3V
10uF
6.3V
C327
10uF
10uF
6.3V
L310
BLM18PG121SN1D
DVDD3V3_STB
C335
0.1uF
0.1uF
P_+5V
C317
10uF
10uF
6.3V
L302
BLM18PG121SN1D
AVDD3V3_MEMPLL
C340
0.1uF
0.1uF
OPT
C324
22uF
22uF
6.3V
IC300
AZ1117BH-ADJTRE1
2
OUTPUT
3
INPUT
1
ADJ/GND
R303
1
C316
0.1uF
0.1uF
IC100
LGE2112
VCCK_43
AR7
VCCK_45
AT7
VCCK_47
AU7
VCCK_42
AP8
VCCK_44
AR8
VCCK_46
AT8
VCCK_48
AU8
VCCK_37
AM7
VCCK_39
AN7
VCCK_41
AP7
VCCK_38
AM8
VCCK_40
AN8
VCCK_1
P14
VCCK_9
R14
VCCK_11
T14
VCCK_13
U14
VCCK_14
V14
VCCK_16
W14
VCCK_18
Y14
VCCK_20
AA14
VCCK_22
AB14
VCCK_23
AC14
VCCK_28
AC19
VCCK_2
P15
VCCK_24
AC15
VCCK_3
P16
VCCK_25
AC16
VCCK_15
V23
VCCK_17
W23
VCCK_19
Y23
VCCK_21
AA23
VCCK_31
AC22
VCCK_32
AC23
VCCK_36
AD24
VCCK_8
P23
VCCK_10
R24
VCCK_12
T24
VCCK_33
AC24
VCCK_30
AC21
VCCK_7
P20
VCCK_29
AC20
VCCK_6
P19
VCCK_27
AC18
VCCK_5
P18
VCCK_26
AC17
VCCK_4
P17
VCCK_34
AD18
VCCK_35
AD23
VCC3IO_B_4
AL9
VCC3IO_B_2
AK10
VCC3IO_B_1
AK9
VCC3IO_B_3
AK11
VCC3IO_A_5
H29
VCC3IO_A_7
J29
VCC3IO_A_6
H30
VCC3IO_A_8
J30
VCC3IO_A_3
G31
VCC3IO_A_4
G32
VCC3IO_A_2
F33
VCC3IO_A_1
E34
IC100
LGE2112
DVSS_51
R2
DVSS_52
R3
DVSS_37
J4
DVSS_53
R4
DVSS_107
Y4
DVSS_20
F5
DVSS_38
J5
DVSS_54
R5
DVSS_108
Y5
DVSS_95
W5
DVSS_44
L7
DVSS_46
M7
DVSS_56
R7
DVSS_120
AA5
DVSS_130
AB5
DVSS_43
K7
DVSS_77
U7
DVSS_97
W7
DVSS_13
E9
DVSS_12
E8
DVSS_22
F9
DVSS_28
G14
DVSS_39
J6
DVSS_57
R15
DVSS_68
T15
DVSS_78
U15
DVSS_87
V15
DVSS_99
W15
DVSS_112
Y15
DVSS_122
AA15
DVSS_132
AB15
DVSS_34
H11
DVSS_58
R16
DVSS_69
T16
DVSS_79
U16
DVSS_88
V16
DVSS_100
W16
DVSS_113
Y16
DVSS_123
AA16
DVSS_133
AB16
DVSS_59
R17
DVSS_70
T17
DVSS_80
U17
DVSS_89
V17
DVSS_114
Y17
DVSS_71
T18
DVSS_90
V18
DVSS_115
Y18
DVSS_72
T19
DVSS_91
V19
DVSS_116
Y19
DVSS_101
W17
DVSS_124
AA17
DVSS_134
AB17
DVSS_60
R18
DVSS_131
AB6
DVSS_35
H19
DVSS_36
H22
DVSS_40
J11
DVSS_41
J12
DVSS_42
J22
DVSS_55
R6
DVSS_62
R20
DVSS_73
T20
DVSS_83
U20
DVSS_92
V20
DVSS_104
W20
DVSS_117
Y20
DVSS_127
AA20
DVSS_137
AB20
DVSS_29
G16
DVSS_63
R21
DVSS_74
T21
DVSS_84
U21
DVSS_93
V21
DVSS_105
W21
DVSS_118
Y21
DVSS_128
AA21
DVSS_138
AB21
DVSS_64
R22
DVSS_75
T22
DVSS_85
U22
DVSS_94
V22
DVSS_106
W22
DVSS_119
Y22
DVSS_129
AA22
DVSS_139
AB22
DVSS_65
R23
DVSS_76
T23
DVSS_86
U23
DVSS_140
AB23
DVSS_96
W6
DVSS_30
G17
DVSS_27
F25
DVSS_109
Y6
DVSS_17
E21
DVSS_25
F21
DVSS_45
L8
DVSS_66
T7
DVSS_7
D11
DVSS_14
E11
DVSS_8
D12
DVSS_18
E22
DVSS_26
F22
DVSS_33
G25
DVSS_136
AB19
DVSS_126
AA19
DVSS_49
P22
DVSS_103
W19
DVSS_82
U19
DVSS_61
R19
DVSS_110
Y7
DVSS_135
AB18
DVSS_125
AA18
DVSS_102
W18
DVSS_81
U18
DVSS_121
AA7
DVSS_47
N22
DVSS_67
T8
DVSS_98
W8
DVSS_111
Y8
DVSS_11
E7
DVSS_21
F8
R302
560
560
1%
R300
330
1%
C303
0.1uF
0.1uF
INNER CAP
C301
0.1uF
0.1uF
INNER CAP
C336
0.1uF
0.1uF
INNER CAP
C302
0.1uF
0.1uF
OPT
C304
0.1uF
0.1uF
OPT
C309
0.1uF
0.1uF
OPT
CORE 1.2V : 6100mA
MULTI 3.3V : XXXXmA
60mA
5600mA
On the Main chip
R2
R1
*V0=1.25(1+R2/R1)
=3.37
=3.37
BOTTOM PCB FOR REWORKING
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