LG 39LN5600 / 39LN560Y (CHASSIS:LB33B) Service Manual ▷ View online
3. Power Block Diagram
3.5V
24V
+12V_LNB
LNB option
PANEL_VCC
PANEL_POWER
NTP_7400(PVDD1)
NTP_7400(PVDD2)
NTP_7400(PVDD2)
AMP
5V Normal
3A
3.3V DAC
MTK(AVDD33_DAC)
HDMI_EEPROM
RGB_EEPROM
CI (+5V_CI_ON)
TUNER(+5V_TU)
RGB_EEPROM
CI (+5V_CI_ON)
TUNER(+5V_TU)
1.2V Core
6A
MTK(AVDD12_LVDS)
MTK(AVDD_)
MTK(AVDD_)
MTK(VCCK)
MICOM(VDD)
IR A'ssy
IR A'ssy
1.5V DDR
3A
MTK (DDRV)
DDR(VDD)
DDR(VDDQ)
DDR(VDD)
DDR(VDDQ)
TUNER(+1.23V)
12V
5V USB
1CH DCDC 4A
2CH OCP 1.2A
USB2(Max 1.2A)
USB3(Max 1.2A)
USB3(Max 1.2A)
USB_WIFI
3.3V Noraml
4A
SPDIF
IR A'ssy
M_REMOTE
HDCP EEPROM
NVRAM
MTK (DVDD3V3)
MTK (AVDD33_AADC)
MTK (AVDD3V3)
MTK(AVDD3V3_MEMPLL)
MTK(AVDD3V3_LVDS)
MTK(AVDD33_STB)
AUDIO AMP
EARPHONE AMP
EMMC(VCC)
EMMC(VCCQ)
TUNER(+3.3V_TU)
IR A'ssy
M_REMOTE
HDCP EEPROM
NVRAM
MTK (DVDD3V3)
MTK (AVDD33_AADC)
MTK (AVDD3V3)
MTK(AVDD3V3_MEMPLL)
MTK(AVDD3V3_LVDS)
MTK(AVDD33_STB)
AUDIO AMP
EARPHONE AMP
EMMC(VCC)
EMMC(VCCQ)
TUNER(+3.3V_TU)
1.8V_TU
5V USB 3A
USB1(DVR Max 1.5A)
1.23V
2A
4. Tuner Block Diagram
MTK A2
TDSQ-
G501D
G501D
[RESET] 2
AG24 [ADIN6_SRV]
AF19[OPCTRL1]
AJ19 [OPCTRL0]
[SLC] 3
[SDA] 4
[+3.3V_TUNER] 5
[+.1.8V_TUNER] 7
[T/C_DIF[P]] 10
[T/C_DIF[N]] 11
[ERROR] 16
[SYNC] 17
[VALID] 18
[MCLK] 19
[D0-7] 20-27
[+1.23V_S2_DEMOD] 30
[S2_RESET] 31
[+3.3V_S2_DEMOD] 32
[S2_F22_OUTPUT] 33
[LNB] 36
[S2_SCL] 34
[S2_SDA] 35
AM27 [ADCINP_DEMOD]
AN27 [ADCINN_DEMOD]
/TU_RESET1
IC2_SCL6
IC2_SDA6
+1.8_TU
+3.3V_TU
IF_P
IF_N
IF_AGC
ADCINP_DEMOD
ADCINN_DEMOD
33
Ω
33
Ω
Attenuator
5. Video/Audio In Block Diagram
MTK A2
[CVBS2P]
Jack Side
SoC Side
JK501
COMP1_Y/AV1_CVBS
COMP1_Pb
COMP1_Pr
COMP1/AV1/DVI_L_IN
COMP1/AV1/DVI_R_IN
COMP1_Y/AV1_CVBS_SOC
COMP1_Pb_SOC
[PB0P]
[PR0P]
[AIN4_L_AADC]
COMP1_Pb_SOC
COMP1/AV1/DVI_L_IN_SOC
[AIN4_R_AADC]
COMP1/AV1/DVI_R_IN_SOC
6. Audio Out Block Diagram
SPDIF_OUT
IC8101
Audio AMP
NTP7513
LPF
COMP1/AV1/DVI_L_IN_SOC
COMP1/AV1/DVI_R_IN_SOC
[ASPDIF0]
AUD_LRCH
HP_L/ROUT_MAIN
HEAD PHONE
LPF
4P WAFER
[AL0_ADAC]
[AR0_ADAC]
MTK A2
[AOLRCK]
[AOSDATA0]
AUD_LRCK
AUD_SCK
[AOBCK]
[STB_SDA]
[STB_SCL]
I2C_SDA1
I2C_SCL1
IC3000
MICOM
MICOM
AMP_MUTE
[AIN4_L_AADC]
[AIN4_R_AADC]
JK501
AUD_MASTER_CLK
[AOMCLK]
[OPCTRL4]
AMP_RESET_N
IC6100
TPA6138A2PWR
HP AMP
JK3602
JK3700
LPF
SPEAKER_L
SPEAKER_R
WOOFER
SIDE_HP_MUTE
HP_L/ROUT_AMP
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