LG 77EG9700 Service Manual page 25

+3.3V_NORMAL CLK_54M_VTT
MAIN Clock(24Mhz)
C404
0.01uF C426
50V
DAC_START_PULLDOWN
C427
FOR EMI
Place SOC Side
Place JACK Side
L408 1uH
R434
100 C424
AV1_CVBS_IN
5.5V C405
C410 R410
D404 150pF
150pF 75
50V 1%
3216
EU
L409 1uH R433
C425
100
SC_CVBS_IN
C408
EU C462
150pF 150pF R411
75
50V EU
SC_CVBS_IN_SOY
1%
EU
3216
R432
C423
100
TU_CVBS
C402
150pF
50V
OPT
SCART_FB_DIRECT
R423 100
SC_FB
10K EU
R435
SC_ID
EU
NON_EU
R422
R436
NON_EU R436-*1
R422-*1 2.7K
0 75 0
EU
R400 C417
EU 33
SC_B
R405 EU
EU C418
33
SC_G
EU
C428
SC_CVBS_IN_SOY
R427 EU
EU C419
33
SC_R
R424
C420
33
COMP1_Pb
R425 C421
33
COMP1_Y
C429
C422
33
COMP1_Pr
R431
Near Place Scart AMP
EU EU
SCART_AMP_R_FB
10K
4.7uF 10V
C6006 R6006
EU EU
SCART_AMP_L_FB
10K
4.7uF 10V
C6001 R6005
AUDIO IN
1%
R418 EU 27K C432
SC_L_IN
R437
1%
R419 EU 27K C433
SC_R_IN
R438
1%
COMP1/AV1/DVI_L_IN
R420 27K C434
R439
1%
COMP1/AV1/DVI_R_IN
R421 27K C435
R440
+12V
EU
SCART_Lout
SCART_Lout_SOC
C403
EU
SCART_Rout 2.2uF
10V
SCART_Rout_SOC
C406
2.2uF
10V
SCART_FB_BUFFER
R401
SC_FB
470 B
R6450
HP_LOUT_MAIN 100
1/16W
AUDA_OUTL 5%
C400
0.01uF
OPT
R6451
HP_ROUT_MAIN
100
AUDA_OUTR
C401
0.01uF
OPT
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
OP MODE Setting
Clock for H13A
& Select XTAL Input
12pF
XIN_SUB
12pF
XOUT_SUB
LG1154AN_H13A
0.047uF
AV1_CVBS_IN_SOC
P17
XIN_SUB
XIN_SUB
P18
R453 330
EU XOUT_SUB XO_SUB
J17
0.047uF VSB_AUX_XIN
SC_CVBS_IN_SOC
N18
XTAL_BYPASS
D18
CLK_24M
M18
XTAL_SEL[0] XTAL_SEL0
M17
0.047uF XTAL_SEL[1]
XTAL_SEL1
TU_CVBS_SOC
E3
SOC_RESET
PORES_N
K3
C415
OPM[0]
OPM0
SC_FB_SOC 0.1uF K2
OPM[1] OPM1
SC_ID_SOC A8
H13A_SCL H13A_SCL
B8
H13A_SDA H13A_SDA
U13
AV1_CVBS_IN_SOC CVBS_IN3
V14
SC_CVBS_IN_SOC
CVBS_IN2
V15
TU_CVBS_SOC CVBS_IN1
C443 0.047uF V13
0.047uF
CVBS_VCM
COMP1_PB_IN_SOC R450 68
0.047uF
COMP1_Y_IN_SOC DTV/MNT_V_OUT_SOC
U15
1000pF
BUF_OUT1
COMP1_Y_IN_SOC_SOY U14
C439
0.047uF BUF_OUT2
OPT
COMP1_PR_IN_SOC 100pF
50V
Placed as close as possible to SOC
U7
REFT
REFT
V6
REFB REFB
R447 68 C440 0.047uF V7
ADC1_COM
R448 68 C441 0.047uF U10
0.047uF ADC2_COM
COMP2_PB_IN_SOC R449 68 C442 0.047uF V12
0.047uF
ADC3_COM
COMP2_Y_IN_SOC
T5
1000pF SC_ID_SOC SC1_SID
COMP2_Y_IN_SOC_SOY
T6
0.047uF SC_FB_SOC
SC1_FB
COMP2_PR_IN_SOC U8
COMP1_PB_IN_SOC PB1_IN
V8
COMP1_Y_IN_SOC Y1_IN
V9
COMP1_Y_IN_SOC_SOY SOY1_IN
U9
COMP1_PR_IN_SOC PR1_IN
V10
COMP2_PB_IN_SOC PB2_IN
U11
COMP2_Y_IN_SOC Y2_IN
V11
COMP2_Y_IN_SOC_SOY
SOY2_IN
U12
COMP2_PR_IN_SOC PR2_IN
+3.3V_NORMAL
IC400
EU
4.7uF NJM2561BF1
AUAD_L_CH3_IN
10K 1%
EU
POWER_SAVE V+
1 6
EU
4.7uF EU
AUAD_R_CH3_IN
VOUT GND
EU 10K 1%
EU
2 5
DTV/MNT_V_OUT
VSAG VIN
3 4
DTV/MNT_V_OUT_SOC
4.7uF
AUAD_L_CH2_IN
10K 1%
4.7uF
AUAD_R_CH2_IN
10K 1%
TU_W_BR/TW TU_W_BR/TW
R443-*1 R444-*1
220 220
NON_TU_W_BR/TW
R443 C437
ADC_I_INN
51 0.01uF
NON_TU_W_BR/TW
C436
L406
To ADC OPT
22pF
NON_TU_W_BR/TW
+3.3V_NORMAL R444 C438
ADC_I_INP
51 0.01uF
Tuner IF Filter
Placed as close as possible to IC100
SC_FB_BUF
C
HP_OUT
HP_OUT
L400 L401
MMBT3904(NXP)
BLM18PG121SN1D BLM18PG121SN1D
Q400
SCART_FB_BUFFER
HP_LOUT
E
HP_LOUT_AMP HP_OUT HP_ROUT_AMP
C409
C407
0.22uF
0.22uF
10V
10V
Place at JACK SIDE
+3.3V_NORMAL
OP MODE[0:1] : SW[2:1]
00 => Normal Operaiton Mode
/T32 Debug Mode
01 => Internal Test Purpose
10 => Internal Test Purpose 100
R459
11 => Internal Test Purpose OPM[0]
100
R460
OPM[1]
XTAL SEL[1:0] : SW[4:3]
100
00 => Xtal Input R461
XTAL_SEL[0]
100
01 => CLK 24M from H13D
R462
10 => XTAL Bypass from H13D XTAL_SEL[1]
IC101 H13A_NON_BRAZIL
H18
C450 0.1uF
TU_SIF
AAD_ADC_SIF
H17
C451 0.1uF
AAD_ADC_SIFM C457
C452 10uF 1000pF
P2 C453 2.2uF OPT
AUDA_VBG_EXT
N1
AUDA_OUTL AUDA_OUTL
N2
AUDA_OUTR AUDA_OUTR
N3
AUD_SCART_OUTL
SCART_Lout_SOC
P1 EU 100 R479
AUD_SCART_OUTR
100 R480 SCART_Rout_SOC
EU
P3
AUAD_L_CH4_IN
R1
AUAD_R_CH4_IN
R2
AUAD_L_CH3_IN
AUAD_L_CH3_IN
T1
AUAD_R_CH3_IN AUAD_R_CH3_IN
U2
AUAD_L_CH2_IN
AUAD_L_CH2_IN
U3
AUAD_R_CH2_IN AUAD_R_CH2_IN
V2
AUAD_L_CH1_IN
V3
AUAD_R_CH1_IN
U1
AUAD_R_REF AUAD_R_REF
T3
AUAD_M_REF
AUAD_M_REF
T2
AUAD_L_REF AUAD_L_REF
R3
Close to IC4300
AUAD_REF_PO
AUAD_REF_PO
K17
ANTCON NON_TU_W_BR/TW/CO
K18
RFAGC R487
J18
IF_AGC
IFAGC
0
C459
U16
C454 0.1uF 0.1uF
ADC_I_INCOM
U17
TU_W_BR/TW/CO
ADC_I_INP ADC_I_INP
V17
ADC_I_INN ADC_I_INN
F3
GPIO0 BIT0
F2
BIT1
GPIO1 TU_W_BR/TW/CO
F1
R487-*1
GPIO2 BIT2
G3
BIT3
GPIO3 10K
G2
GPIO4 BIT4
G1
BIT5
GPIO5
H3
BIT6
GPIO6
H2
BIT7
GPIO7
H1
BIT8
GPIO8
J3
GPIO9 BIT9
E18
BIT10
GPIO10
E17
GPIO11
H16
GPIO12
J2
GPIO13
J1
GPIO14
K1
GPIO15 SC_FB_BUF
+2.5V_Normal
Placed as close as possible to IC4300
L407
AUAD_REF_PO
OPT
1%
C447 C455
1uF R455
10uF
51K
25V
AUAD_L_REF
1%
R457
51K
C412
0.1uF
AUAD_R_REF
AUAD_M_REF
1% C456
R458
4.7uF
47K
10V
C448 OPT
4.7uF
10V
TU_W_BR/TW
C436-*1
100pF
IF_N
AFE 3CH REF Setting
IF_P
Placed as close as possible to IC4300
C444
REFT
0.1uF
C446
Must be used
0.1uF
C445
REFB
0.1uF
HP_ROUT
HP_OUT
DIMMING
NON_OLED
AR402
33
1/16W
PWM2
PWM_DIM
PWM_DIM2
PWM1
IC100
IC101
LG1154D_H13D
LG1154AN_H13A
H13A_NON_BRAZIL
E1 AT16
INTR_GBB INTR_GBB
E2 AU17
INTR_AFE3CH INTR_AFE3CH
D1 AT17
INTR_AGPIO INTR_AGPIO
A6 AT24
AUD_FS20CLK AUD_FS20CLK
B6 AU24
AUD_FS21CLK AUD_FS21CLK
A5 AT23
AUD_FS23CLK AUD_FS23CLK
B5 AU23
AUD_FS24CLK AUD_FS24CLK
A4 AT22
AUD_FS25CLK AUD_FS25CLK
C4
AUDCLK_OUT_SUB
C18 AU36
AUD_HDMI_MCLK AUD_HDMI_MCLK
A2 AT20
AUD_DAC1_LRCK AUD_DAC1_LRCK
B2 AU20
AUD_DAC1_SCK AUD_DAC1_SCK
B1 AT19
AUD_DAC1_LRCH AUD_DAC1_LRCH
C2 AU19
AUD_DAC0_LRCK AUD_DAC0_LRCK
C1 AT18
AUD_DAC0_SCK AUD_DAC0_SCK
D2 AU18
AUD_DAC0_LRCH AUD_DAC0_LRCH
B4 AU22
AUD_ADC_LRCK AUD_ADC_LRCK
A3 AT21
AUD_ADC_SCK AUD_ADC_SCK
B3 AU21
AUD_ADC_LRCH AUD_ADC_LRCH
A7 AT25
BB_SCL BB_SCL
B7 AU25
BB_SDA BB_SDA
E8 AP23
BB_TP_CLK BB_TPI_CLK
D8 AR23
BB_TP_ERR BB_TPI_ERR
C8 AP22
BB_TP_SOP BB_TPI_SOP
E7 AR22
BB_TP_VAL BB_TPI_VAL
D7 AP21
BB_TP_DATA7 BB_TPI_DATA7
C7 AR21
BB_TP_DATA6 BB_TPI_DATA6
E6 AP20
BB_TP_DATA5 BB_TPI_DATA5
D6 AR20
BB_TP_DATA4 BB_TPI_DATA4
C6 AP19
BB_TP_DATA3 BB_TPI_DATA3
E5 AR19
BB_TP_DATA2 BB_TPI_DATA2
D5 AP18
BB_TP_DATA1 BB_TPI_DATA1
C5 AR18
CLK_54M_VTT
BB_TP_DATA0 BB_TPI_DATA0
R467 82
B10 1/16W 1% AU28
CLK_F54M CLK_54M
C9 AR24
CVBS_GC2 CVBS_GC2
B9 AU27
CVBS_GC1 CVBS_GC1
A9 AT27
CVBS_GC0 CVBS_GC0
D9 AP24
CVBS_UP CVBS_UP
E9 AR25
CVBS_DN CVBS_DN
Close to LG1154A
B11 AU29
R492 330
FS00CLK FS00CLK
A11 AT29
R407 330
AUDCLK_OUT H13A_AUDCLK_OUT
DAC_START_PULLDOWN
D11 AP27
DAC_START DAC_START
C11 AR27
DAC_DATA4 DAC_DATA4
E10 AP26
DAC_DATA3 DAC_DATA3
D10 AR26
DAC_DATA2 DAC_DATA2
C10 AP25
DAC_DATA1 DAC_DATA1
A10 AT28
R451 330
DAC_DATA0 DAC_DATA0
D13 AR30
AAD_GC4 AAD_GC4
C13 AP29
AAD_GC3 AAD_GC3
E12 AR29
AAD_GC2 AAD_GC2
D12 AP28
AAD_GC1 AAD_GC1
C12 AR28
AAD_GC0 AAD_GC0
C17 AP35
AAD_DATA9 AAD_DATA9
E16 AR35
AAD_DATA8 AAD_DATA8
D16 AP34
AAD_DATA7 AAD_DATA7
C16 AR34
AAD_DATA6 AAD_DATA6
E15 AP33
AAD_DATA5 AAD_DATA5
D15 AR33
AAD_DATA4 AAD_DATA4
C15 AP32
AAD_DATA3 AAD_DATA3
E14 AR32
AAD_DATA2 AAD_DATA2
D14 AP31
AAD_DATA1 AAD_DATA1
C14 AR31
AAD_DATA0 AAD_DATA0
E13 AP30
AAD_DATAEN AAD_DATAEN
B18 AT36
ADCO_OUT_CLK ADCO_OUT_CLK
A12 AT30
HSR_AP0 HSR_AP
B12 AU30
HSR_AM0 HSR_AM
A13 AT31
HSR_BP0 HSR_BP
B13 AU31
HSR_BM0 HSR_BM
A14 AT32
HSR_CP0 HSR_CP
B14 AU32
HSR_CM0 HSR_CM
A15 AT33
HSR_CLKP0 HSR_CLKP
B15 AU33
HSR_CLKM0 HSR_CLKM
A16 AT34
HSR_DP0 HSR_DP
B16 AU34
HSR_DM0 HSR_DM
A17 AT35
HSR_EP0 HSR_EP
B17 AU35
HSR_EM0 HSR_EM
AT14
AUD_HPDRV_LRCH
AT15
AUD_HPDRV_LRCK
NC AU15
AUD_HPDRV_SCK
AC7
FRC_LR_O_SYNC_FLAG
AN5
R402 33
L/DIM0_VS
L_VSOUT_LD
AR14
L/DIM0_SCLK
DIM0_SCLK
AR404 AP14
L/DIM0_MOSI
33 DIM0_MOSI
AN14
DIM1_SCLK
AP13
DIM1_MOSI
L/DIM0_VS
L/DIM0_SCLK
AF6
PWM0
AF7
L/DIM0_MOSI
PWM1
PWM1
BPL_IN
AD7
PWM2
PWM2
AE6
BPL_IN PWM_IN
AP5
EPI_EO
AN8
EPI_VST
AP8
EPI_DPM
AR7
EPI_MCLK
AN7
EPI_GCLK
LG1154A LG1154D
MAIN AUDIO/VIDEO
AK35
STPI0_CLK/GPIO47 FE_DEMOD2_TS_CLK
AK36
FE_DEMOD2_TS_SYNC
STPI0_SOP/GPIO46
AK37
STPI0_VAL/GPIO45 FE_DEMOD2_TS_VAL
AJ35
FE_DEMOD2_TS_ERROR
STPI0_ERR/GPIO44
AJ36
STPI0_DATA/GPIO43 FE_DEMOD2_TS_DATA
AH35
STPI1_CLK/GPIO42 D13_STPO_CLK
AH37
STPI1_SOP/GPIO41 D13_STPO_SOP
AH36
STPI1_VAL/GPIO40 D13_STPO_VAL
AG35
D13_STPO_ERR
STPI1_ERR/GPIO55
AG36
STPI1_DATA/GPIO54 D13_STPO_DATA
AM36
TP_DVB_CLK FE_DEMOD1_TS_CLK
AL36
FE_DEMOD1_TS_SYNC
TP_DVB_SOP
AL35
TP_DVB_VAL FE_DEMOD1_TS_VAL
AL37
FE_DEMOD1_TS_ERROR
TP_DVB_ERR
AM35
TP_DVB_DATA0 FE_DEMOD1_TS_DATA[0] FE_DEMOD1_TS_DATA[1-7]
AN36
FE_DEMOD1_TS_DATA[1]
TP_DVB_DATA1
AN37
FE_DEMOD1_TS_DATA[2]
TP_DVB_DATA2
AN35
FE_DEMOD1_TS_DATA[3]
TP_DVB_DATA3
AP37
FE_DEMOD1_TS_DATA[4]
TP_DVB_DATA4
AP36
FE_DEMOD1_TS_DATA[5]
TP_DVB_DATA5
AR37
FE_DEMOD1_TS_DATA[6]
TP_DVB_DATA6
AR36
FE_DEMOD1_TS_DATA[7]
TP_DVB_DATA7
A28
TPI_CLK TPI_CLK
B29
TPI_SOP TPI_ERR
TPI_SOP TP402
B28
TPI_VAL TPI_VAL
C28
TPI_ERR
TPI_ERR TPI_DATA[0-7]
B32 TPI_DATA[0]
TPI_DATA0
TPI_DATA[1]
C31
TPI_DATA1
B31 TPI_DATA[2]
TPI_DATA2
TPI_DATA[3]
A31
TPI_DATA3
C30 TPI_DATA[4]
TPI_DATA4
TPI_DATA[5]
A30
TPI_DATA5
B30 TPI_DATA[6]
TPI_DATA6
TPI_DATA[7]
C29
TPI_DATA7
D30 TPO_CLK TPO_ERR
TPIO_CLK/GPIO53
TP400
D31 TPO_SOP
TPIO_SOP/GPIO52
F30 TPO_VAL
TPIO_VAL/GPIO51
E31 TPO_ERR
TPIO_ERR/GPIO50 TPO_DATA[0-7]
E30 TPO_DATA[0]
TPIO_DATA0/GPIO58
F29 TPO_DATA[1]
TPIO_DATA1/GPIO59
E29 TPO_DATA[2]
TPIO_DATA2/GPIO60
F28 TPO_DATA[3]
TPIO_DATA3/GPIO61
E28 TPO_DATA[4]
TPIO_DATA4/GPIO62
D28 TPO_DATA[5]
TPIO_DATA5/GPIO63
E27 TPO_DATA[6]
TPIO_DATA6/GPIO48
D27 TPO_DATA[7]
TPIO_DATA7/GPIO49
I2S_I/F
R495 100
AD5
AUDCLK_OUT AUD_MASTER_CLK
AD6 R496 100
AUD_LRCH To front, woofer,
DACLRCH
Y6 R452 100
center amp FOR UB98/UB9
DACSLRCH/GPIO127 AUD_LRCH1
Y7
PCMI3SCK/GPIO112 To height amp FOR UB98/UB9
AC6 R497 100
DACSCK AUD_SCK
AC5 R498 100
DACLRCK AUD_LRCK
C411
AA6
10pF
PCMI3LRCK/GPIO113
AB7
50V
PCMI3LRCH
AB5 OPT
URSA_RESET_SoC
DACCLFCH/GPIO126
AU14
IEC958OUT SPDIF_OUT
AA32
DACSUBMCLK
AA34
DACSUBLRCH
AA33 AR403
DACSUBSCK 33
AB34
1/16W
DACSUBLRCK
+3.3V_NORMAL
AE32
TEST1
AE33
TEST2
AT6
TXB0P/TX5P
TX0N
AU6
TX0P TXB0N/TX5N
AT5
TX1N TXB1P/TX4P
AU5
TX1P TXB1N/TX4N
AT4
TX2N TXB2P/TX3P
AU4
TX2P TXB2N/TX3N
AU3
TX3N TXBCLKP/TX2P
AU2
TX3P TXBCLKN/TX2N
AT2
TXB3P/TX1P
TX4N
AT1
TX4P TXB3N/TX1N
AR4
TXB4P/TX0P
TX5N
AR3
TXB4N/TX0N
TX5P
AP1
TX6N TXA0P/TX11P
AP2
TXA0N/TX11N
TX6P
AP4
TX7N TXA1P/TX10P
AP3
TXA1N/TX10N
TX7P
AN4
TX8N TXA2P/TX9P
AN3
TX8P TXA2N/TX9N
AM4
TX9N TXACLKP/TX8P
AM3
TXACLKN/TX8N
TX9P
AL4
TX10N TXA3P/TX7P
AL3
TXA3N/TX7N
TX10P
AK1
TX11N TXA4P/TX6P
AK2
TX11P TXA4N/TX6N
AK4
TX12N TXD0P/TX17P
AK3
TX12P TXD0N/TX17N
AJ4
TX13N TXD1P/TX16P
AJ3
TXD1N/TX16N
TX13P
AH4
TX14N TXD2P/TX15P
AH3
TX14P TXD2N/TX15N
AG4
TX15N TXDCLKP/TX14P
AG3
TXDCLKN/TX14N
TX15P
AF1
TX16N TXD3P/TX13P
AF2
TX16P TXD3N/TX13N
AF4
TX17N TXD4P/TX12P
AF3
TX17P
TXD4N/TX12N
AE4
TXC0P/TX23P
TX18N
AE3
TX18P
TXC0N/TX23N
AD4
TX19N TXC1P/TX22P
AD3
TX19P TXC1N/TX22N
AC4
TXC2P/TX21P
TX20N
AC3
TX20P TXC2N/TX21N
AB1
TXCCLKP/TX20P
TX21N
AB2
TX21P TXCCLKN/TX20N
AB4
TXC3P/TX19P
TX22N
AB3
TX22P TXC3N/TX19N
AA4
TX23N TXC4P/TX18P
AA3
TX23P TXC4N/TX18N
AR5
TX_LOCKN
Not Used Net (UB85/95/UC89)
AUD_LRCH1
BSD-14Y-UD-004-HD
2013-12-17
LGE Internal Use Only