Sharp LC-70UQ10KN (serv.man3) Service Manual ▷ View online
65
LC-60UQ10
LC-70UQ10
LC-70UQ10
↓
↓
↓
NO
→
↓YES
NO
→
↓YES
NO
→
↓YES
Refer to “No picture on the display (1)”
↓
↓YES
↓
NO
→
↓YES
NO
→
↓YES
NO
→
↓YES
Refer to “No picture on the display (1)”
↓
↓YES
NO
→
↓YES
NO
→
↓YES
Refer to “No picture on the display (1)”
Is CVBS_PLUG [2/RCA_CVBS1_PLUG] of J502 at "L" ?
Check the line between SC501 and IC3301.
Does CVBS signal input to pin of J502 ?
[3 / RCA_CVBS1]
[3 / RCA_CVBS1]
Check the setting of an external input device that connects with
J502.
J502.
Does not the picture of the ANALOG-RGB signal input to PC_IN (15pin-D-SUB terminal) go out?
Check the setting of an external input device that connects with
J504.
J504.
Check whether it is selected "AUTO" or "COMPONENT" by the INPUT6 select under
TV Menu-Setup-Option-Terminal setting- Input select.
TV Menu-Setup-Option-Terminal setting- Input select.
[External input EXT2] No picture on the display (9)
Does not the picture of the COMPONENT signal input to EXT2 go out?
Check the setting of an external input device that connects with
J502.
J502.
Do COMPONENT signals input to pins of J504 ?
[3/COMP1_Y]
[5/COMP1_Pb]
[7/COMP1_Pr]
[3/COMP1_Y]
[5/COMP1_Pb]
[7/COMP1_Pr]
Check whether it is selected "AUTO" or "VIDEO" by the INPUT6 select under
TV Menu-Setup-Option-Terminal setting- Input select.
TV Menu-Setup-Option-Terminal setting- Input select.
Does CVBS signal input to pin of IC3301 (CPU) ?
[AR31 / CPU_CVBS1P]
[AR31 / CPU_CVBS1P]
Check the line between J502 and IC3301.
Check the connection and setup with the external PC_IN devices.
[External input EXT2] No picture on the display (8)
Does not the picture of the CVBS signal input to EXT2 go out?
Check the setting of an external input device that connects with
J504.
J504.
Is CVBS_PLUG [2/RCA_CVBS1_PLUG] of J502 at "H" ?
Is COMP_PLUG [2/RCA_COMP1_PLUG] of J504 at "L" ?
Is COMP_PLUG [2/RCA_COMP1_PLUG] of J504 at "L" ?
Do ANALOG-RGB and synchronized signal input to pins of IC3301
(CPU) ?
[AR25/PC_RP]
[AR24/PC_GP]
[AU24/PC_BP]
[AN25/PC_HSYNC]
[AM25/PC_VSYNC]
(CPU) ?
[AR25/PC_RP]
[AR24/PC_GP]
[AU24/PC_BP]
[AN25/PC_HSYNC]
[AM25/PC_VSYNC]
[External input PC] No picture on the display (10)
Do ANALOG-RGB and synchronized signal input to pin of PC_IN
(SC501) ?
[1 /PC_RED]
[2 /PC_GREEN]
[3 /PC_BLU]
[13 / PC_HSYNC]
[14 / PC_VSYNC]
(SC501) ?
[1 /PC_RED]
[2 /PC_GREEN]
[3 /PC_BLU]
[13 / PC_HSYNC]
[14 / PC_VSYNC]
Check the line between J504 and IC3301.
Do COMPONENT signals input to pins of IC3301 (CPU) ?
[AU26/COMP_Y1P]
[AP26/COMP_PR1P]
[AR26/COMP_PB1P]
[AU26/COMP_Y1P]
[AP26/COMP_PR1P]
[AR26/COMP_PB1P]
66
LC-60UQ10
LC-70UQ10
LC-70UQ10
↓
↓
NO
→
↓YES
NO
→
↓YES
NO
→
↓YES
NO
→
↓YES
NO
→
↓YES
NO
→
↓YES
NO
→
↓YES
NO
→
↓YES
NO
→
↓YES
NO
→
↓YES
Do TMDS signals input to pins of IC2601 ?
[2,3 / TMDS_ROGUE_OUT_CLK-,+]
[28,29 / TMDS_ROGUE_OUT_D0-,+]
[30,31 / TMDS_ROGUE_OUT_D1-,+]
[32,33 / TMDS_ROGUE_OUT_D2-,+]
[2,3 / TMDS_ROGUE_OUT_CLK-,+]
[28,29 / TMDS_ROGUE_OUT_D0-,+]
[30,31 / TMDS_ROGUE_OUT_D1-,+]
[32,33 / TMDS_ROGUE_OUT_D2-,+]
Check the IC2601 and peripheral circuits.
Check the line between IC2501 and IC2601.
Are pins of IC2601 accessed to pins[66, 67] of IC2501 by IC2, to read
the DDC-I2C SCL/SDA data.
IC2501 : [66 / ROGUE_OUT_SCL] [67 / ROGUE_OUT_SDA]
IC2601 : [26 / ROGUE_OUT_SCL] [27 / ROGUE_OUT_SDA]
the DDC-I2C SCL/SDA data.
IC2501 : [66 / ROGUE_OUT_SCL] [67 / ROGUE_OUT_SDA]
IC2601 : [26 / ROGUE_OUT_SCL] [27 / ROGUE_OUT_SDA]
Check the IC2 line between SC1501 and IC2501.
Check the IC2501 and peripheral circuits.
Check the line between SC1501 and IC2501.
Do TMDS signals input to pins of IC2501 ?
[7,8 / TMDS_ROGUE_IN_CLK-,+]
[11,12 / TMDS_ROGUE_IN_D0-,+]
[13,14 / TMDS_ROGUE_IN_D1-,+]
[15,16 / TMDS_ROGUE_IN_D2-,+]
[7,8 / TMDS_ROGUE_IN_CLK-,+]
[11,12 / TMDS_ROGUE_IN_D0-,+]
[13,14 / TMDS_ROGUE_IN_D1-,+]
[15,16 / TMDS_ROGUE_IN_D2-,+]
[External input HDMI-1] No picture on the display (11)
Does not the picture/sound of the HDMI signal input to HDMI-1 go out?
Refer to “Refer to “No picture on the display (1)”
or “The sound is not emitted from the Speaker & Woofer though the picture has come out.”
or “The sound is not emitted from the Speaker & Woofer though the picture has come out.”
Do TMDS signals input to pins of IC3301 (CPU)?
[AH34, AH35 / TMDS_RX_CLK-/+]
[AG34, AG35 / TMDS_RX_D0-/+]
[AG36, AG37 / TMDS_RX_D1-/+]
[AF34, AF35 / TMDS_RX_D2-/+]
[AH34, AH35 / TMDS_RX_CLK-/+]
[AG34, AG35 / TMDS_RX_D0-/+]
[AG36, AG37 / TMDS_RX_D1-/+]
[AF34, AF35 / TMDS_RX_D2-/+]
Check the line between IC3301 and IC2601.
Do TMDS signals output from pins of IC2601 respectively.
[19,18 / TMDS_RX_CLK-,+]
[17,16 / TMDS_RX_D0-,+]
[15,14 / TMDS_RX_D1-,+]
[13,12 / TMDS_RX_D2-,+]
[19,18 / TMDS_RX_CLK-,+]
[17,16 / TMDS_RX_D0-,+]
[15,14 / TMDS_RX_D1-,+]
[13,12 / TMDS_RX_D2-,+]
Are pins of IC2501 accessed to pins of a SC1501 by IC2, to read the
DDC-I2C SCL/SDA data.
SC1501 : [15 / HDMI1_SCL] [16 / HDMI1_SDA]
IC2501 : [75 / HDMI1_SCL] [76 / HDMI1_SDA]
DDC-I2C SCL/SDA data.
SC1501 : [15 / HDMI1_SCL] [16 / HDMI1_SDA]
IC2501 : [75 / HDMI1_SCL] [76 / HDMI1_SDA]
Does the DDC5V signal outputs from pin of SC1501 ?
Does the DDC5V signal inputs to pin[3] of IC2501(HDCP).
SC1502 : [18 / HDMI1_PWR5V]
IC2501 : [3 / HDMI1_PWR5V]
Does the DDC5V signal inputs to pin[3] of IC2501(HDCP).
SC1502 : [18 / HDMI1_PWR5V]
IC2501 : [3 / HDMI1_PWR5V]
Do TMDS signals output from pins of IC2501 ?
[40,41 / TMDS_ROGUE_OUT_CLK-,+]
[42,43 / TMDS_ROGUE_OUT_D0-,+]
[44,45 / TMDS_ROGUE_OUT_D1-,+]
[46,47 / TMDS_ROGUE_OUT_D2-,+]
[40,41 / TMDS_ROGUE_OUT_CLK-,+]
[42,43 / TMDS_ROGUE_OUT_D0-,+]
[44,45 / TMDS_ROGUE_OUT_D1-,+]
[46,47 / TMDS_ROGUE_OUT_D2-,+]
Does the HOT PLUG detectionof the HDMI-1(SC1501) work normal ?
SC1501 : [19 / HDMI1_HPD]
IC2501 : [4 / HDMI1_HPD]
SC1501 : [19 / HDMI1_HPD]
IC2501 : [4 / HDMI1_HPD]
Check the line between SC1501 and IC2501(HDCP).
Check the line between SC1501 and IC2501
Check the IC2 line between SC1501 and IC2501.
Are pins of IC2601 accessed to pins of IC3301 by IC2 ?
IC2601 : [45 / HDMI_SW_SCL]
[46 / HDMI_SW_SDA]
IC3301 : [AN12 / CPU_OSCL0]
[AP12 / CPU_OSDA0]
IC2601 : [45 / HDMI_SW_SCL]
[46 / HDMI_SW_SDA]
IC3301 : [AN12 / CPU_OSCL0]
[AP12 / CPU_OSDA0]
Check the I2C line between IC2601 and IC3301.
67
LC-60UQ10
LC-70UQ10
LC-70UQ10
↓
↓
NO
→
NO
→
NO
→
↓YES
↓NO
NO
→
NO
→
NO
→
↓YES
↓NO
NO
→
NO
→
NO
→
↓YES
NO
→
NO
→
NO
→
↓YES
NO
→
↓YES
NO
→
↓YES
NO
→
↓YES
Check the I2C line between SC1502 and IC2601.
Do TMDS signals output from pins of IC2601 respectively.
[19,18 / TMDS_RX_CLK-,+]
[17,16 / TMDS_RX_D0-,+]
[15,14 / TMDS_RX_D1-,+]
[13,12 / TMDS_RX_D2-,+]
[19,18 / TMDS_RX_CLK-,+]
[17,16 / TMDS_RX_D0-,+]
[15,14 / TMDS_RX_D1-,+]
[13,12 / TMDS_RX_D2-,+]
Check the IC2601 and peripheral circuits.
Do TMDS signals input to pins of IC2601 ?
[50,51 / TMDS4_CLK-,+]
[52,53 / TMDS4_D0-,+]
[54,55 / TMDS4_D1-,+]
[56,57 / TMDS4_D2-,+]
[50,51 / TMDS4_CLK-,+]
[52,53 / TMDS4_D0-,+]
[54,55 / TMDS4_D1-,+]
[56,57 / TMDS4_D2-,+]
Check the line between SC1504 and IC2601.
Are pins of IC2601 accessed to pins of a SC1503 by IC2, to read the
DDC-I2C SCL/SDA data.
SC1503 : [15 / HDMI3_SCL] [16 / HDMI3_SDA]
IC2601 : [36 / HDMI3_SCL] [35 / HDMI3_SDA]
DDC-I2C SCL/SDA data.
SC1503 : [15 / HDMI3_SCL] [16 / HDMI3_SDA]
IC2601 : [36 / HDMI3_SCL] [35 / HDMI3_SDA]
Check the line between SC1504 and IC2601
Do TMDS signals input to pins of IC3301 (CPU)?
[AH34, AH35 / TMDS_RX_CLK-,+]
[AG34, AG35 / TMDS_RX_D0-,+]
[AG36, AG37 / TMDS_RX_D1-,+]
[AF34, AF35 / TMDS_RX_D2-,+]
[AH34, AH35 / TMDS_RX_CLK-,+]
[AG34, AG35 / TMDS_RX_D0-,+]
[AG36, AG37 / TMDS_RX_D1-,+]
[AF34, AF35 / TMDS_RX_D2-,+]
Check the line between IC3301 and IC2601.
Do TMDS signals input to pins of IC2601 ?
[60,61 / TMDS3_CLK-,+]
[62,63 / TMDS3_D0-,+]
[64,65 / TMDS3_D1-,+]
[66,67 / TMDS3_D2-,+]
[60,61 / TMDS3_CLK-,+]
[62,63 / TMDS3_D0-,+]
[64,65 / TMDS3_D1-,+]
[66,67 / TMDS3_D2-,+]
Check the line between SC1503 and IC2601.
Check the I2C line between SC1503 and IC2601.
Check the I2C line between SC1504 and IC2601
Do TMDS signals input to pins of IC2601 ?
[68,69 / TMDS2_CLK-,+]
[70,71 / TMDS2_D0-,+]
[72,73 / TMDS2_D1-,+]
[74,75 / TMDS2_D2-,+]
[68,69 / TMDS2_CLK-,+]
[70,71 / TMDS2_D0-,+]
[72,73 / TMDS2_D1-,+]
[74,75 / TMDS2_D2-,+]
Check the line between SC1502 and IC2601.
Does not the picture/sound of the HDMI signal input to HDMI-2/3/4 go out?
Does the DDC5V signal outputs from pin of SC1502 ?
Does the DDC5V signal inputs to pin of IC2601 ?
SC1502 : [18 / HDMI2_PWR5V]
IC2601 : [34 / HDMI2_PWR5V]
Does the DDC5V signal inputs to pin of IC2601 ?
SC1502 : [18 / HDMI2_PWR5V]
IC2601 : [34 / HDMI2_PWR5V]
Check the line between SC1502 and IC2601.
Are pins of IC2601 accessed to pins of a SC1502 by IC2, to read the
DDC-I2C SCL/SDA data.
SC1502 : [15 / HDMI2_SCL] [16 / HDMI2_SDA]
IC2601 : [32 / HDMI2_SCL] [31 / HDMI2_SDA]
DDC-I2C SCL/SDA data.
SC1502 : [15 / HDMI2_SCL] [16 / HDMI2_SDA]
IC2601 : [32 / HDMI2_SCL] [31 / HDMI2_SDA]
Are pins of IC2601 accessed to pins of a SC1504 by IC2, to read the
DDC-I2C SCL/SDA data.
SC1504 : [15 / HDMI4_SCL] [16 / HDMI4_SDA]
IC2601 : [40 / HDMI4_SCL] [39 / HDMI4_SDA]
DDC-I2C SCL/SDA data.
SC1504 : [15 / HDMI4_SCL] [16 / HDMI4_SDA]
IC2601 : [40 / HDMI4_SCL] [39 / HDMI4_SDA]
Does the DDC5V signal outputs from pin of SC1503 ?
Does the DDC5V signal inputs to pin of IC2601 ?
SC1503 : [18 / HDMI3_PWR5V]
IC2601 : [38 / HDMI3_PWR5V]
Does the DDC5V signal inputs to pin of IC2601 ?
SC1503 : [18 / HDMI3_PWR5V]
IC2601 : [38 / HDMI3_PWR5V]
Check the line between SC1503 and IC2601.
Does the DDC5V signal outputs from pin of SC1504 ?
Does the DDC5V signal inputs to pin of IC2601 ?
SC1504 : [18 / HDMI4_PWR5V]
IC2601 : [42 / HDMI4_PWR5V]
Does the DDC5V signal inputs to pin of IC2601 ?
SC1504 : [18 / HDMI4_PWR5V]
IC2601 : [42 / HDMI4_PWR5V]
Does the HOT PLUG detectionof the HDMI-2(SC1502) work normal ?
SC1502 : [19 / HDMI2_HPD]
IC2601 : [33 / HDMI2_HPD]
Does the HOT PLUG detectionof the HDMI-3(SC1503) work normal ?
SC1503 : [19 / HDMI3_HPD]
IC2601 : [37 / HDMI3_HPD]
Does the HOT PLUG detectionof the HDMI-4(SC1504) work normal ?
SC1504 : [19 / HDMI4_HPD_CBUS]
IC2601 : [41 / HDMI4_HPD_CBUS]
SC1502 : [19 / HDMI2_HPD]
IC2601 : [33 / HDMI2_HPD]
Does the HOT PLUG detectionof the HDMI-3(SC1503) work normal ?
SC1503 : [19 / HDMI3_HPD]
IC2601 : [37 / HDMI3_HPD]
Does the HOT PLUG detectionof the HDMI-4(SC1504) work normal ?
SC1504 : [19 / HDMI4_HPD_CBUS]
IC2601 : [41 / HDMI4_HPD_CBUS]
Check the line between SC1502 and IC2601(HDMI-SW).
Check the line between SC1503 and IC2601(HDMI-SW).
Check the line between SC1504 and IC2601(HDMI-SW).
No picture on the display (12)
[External input HDMI-2/3/4]
Refer to “Refer to “No picture on the display (1)”
or “The sound is not emitted from the Speaker & Woofer though the picture has come out.”
or “The sound is not emitted from the Speaker & Woofer though the picture has come out.”
Are pins of IC2601 accessed to pins of IC3301 by IC2 ?
IC2601 : [45 / HDMI_SW_SCL]
[46 / HDMI_SW_SDA]
IC3301 : [AN12 / CPU_OSCL0]
[AP12 / CPU_OSDA0]
IC2601 : [45 / HDMI_SW_SCL]
[46 / HDMI_SW_SDA]
IC3301 : [AN12 / CPU_OSCL0]
[AP12 / CPU_OSDA0]
Check the I2C line between IC2601 and IC3301.
68
LC-60UQ10
LC-70UQ10
LC-70UQ10
↓
↓
Does the MHL Cable detection function?
NO
Check the MHL Cable.
→
↓YES
NO
→
↓YES
NO
→
↓YES
NO
→
↓YES
NO
→
↓YES
NO
→
↓YES
NO
→
↓YES
↓
↓
YES
→
↓NO
YES
→
↓NO
YES
→
↓NO
YES
→
↓NO
Check IC3301 and its peripheral circuits.
↓
↓YES
NO
→
↓YES
NO
→
↓YES
Check IC3301 and its peripheral circuits.
Check the line between SC1504 and IC2601.
Check the line between SC1504 and IC2601.
Does not the picture/sound of the MHL input to HDMI-4 go out?
[External input HDMI-4] MHL: No picture on the display (13)
(using MHL Cable with Mobile Phone)
Does the CBUS signal outputs from pin of IC2601 ?
Does the CBUS signal inputs to pin of SC1504?
SC1504 : [19 / HDMI4_HPD_CBUS]
IC2601 : [41 / HDMI4_HPD_CBUS]
Does the CBUS signal inputs to pin of SC1504?
SC1504 : [19 / HDMI4_HPD_CBUS]
IC2601 : [41 / HDMI4_HPD_CBUS]
Check the line between SC1504 and IC2601.
Does the VBUS signal outputs from pin of SC1504?
Does the VBUS signal isnputs to pin of IC2002 (ucon) ?
SC1504 : [18 / N_MHL_VBUS_DET]
IC2002 : [53 / N_MHL_VBUS_DET]
Does the VBUS signal isnputs to pin of IC2002 (ucon) ?
SC1504 : [18 / N_MHL_VBUS_DET]
IC2002 : [53 / N_MHL_VBUS_DET]
Check the line between SC1504 and IC2002.
<During external connection>
No picture on the monitor
No picture appears on EXT1 connected monitor during the ATV / DTV reception.
Does the CD_SENSE signal outputs from pin of SC1504 at "H" ?
Does the CD_SENSE signal inputs to pin of IC2601(HDMI-SW) at "H"
SC1504 : [2 / MHL_CABLE_SENCE]
IC2601 : [24 / MHL_CABLE_SENCE]
Does the CD_SENSE signal inputs to pin of IC2601(HDMI-SW) at "H"
SC1504 : [2 / MHL_CABLE_SENCE]
IC2601 : [24 / MHL_CABLE_SENCE]
Check the IC2601 and peripheral circuits.
Refer to “Refer to “No picture on the display (1)”
or “The sound is not emitted from the Speaker & Woofer though the picture has come out.”
or “The sound is not emitted from the Speaker & Woofer though the picture has come out.”
Do TMDS signals output from pins of IC2601 respectively.
[19,18 / TMDS_RX_CLK-,+]
[17,16 / TMDS_RX_D0-,+]
[15,14 / TMDS_RX_D1-,+]
[13,12 / TMDS_RX_D2-,+]
[19,18 / TMDS_RX_CLK-,+]
[17,16 / TMDS_RX_D0-,+]
[15,14 / TMDS_RX_D1-,+]
[13,12 / TMDS_RX_D2-,+]
Do TMDS signals input to pins of IC2601 ?
[52,53 / TMDS4_D0-,+]
[52,53 / TMDS4_D0-,+]
Do TMDS signals input to pins of IC3301 (CPU)?
[AH34,AH35 / TMDS_RX_CLK-,+]
[AG34,AG35 / TMDS_RX_D0-,+]
[AG36,AG37 / TMDS_RX_D1-,+]
[AF34,AF35 / TMDS_RX_D2-,+]
[AH34,AH35 / TMDS_RX_CLK-,+]
[AG34,AG35 / TMDS_RX_D0-,+]
[AG36,AG37 / TMDS_RX_D1-,+]
[AF34,AF35 / TMDS_RX_D2-,+]
Check the line between IC3301 and IC2601.
Are pins of IC2601 accessed to pins of IC3301 by IC2 ?
IC2601 : [45 / HDMI_SW_SCL]
[46 / HDMI_SW_SDA]
IC3301 : [AN12 / CPU_OSCL0]
[AP12 / CPU_OSDA0]
IC2601 : [45 / HDMI_SW_SCL]
[46 / HDMI_SW_SDA]
IC3301 : [AN12 / CPU_OSCL0]
[AP12 / CPU_OSDA0]
Check the I2C line between IC2601 and IC3301.
Do signals in/output to pins of IC3301(CPU) ?
[AT18,AU18 / MDI0+,-]
[AT17,AU17 / MDI1+,-]
[AT18,AU18 / MDI0+,-]
[AT17,AU17 / MDI1+,-]
Check the line between IC3301 and J9401.
(T9401 etc…)
(T9401 etc…)
Check the peripheral circuits of IC650 ?
Does CVBS signal output from pin of IC3301(CPU) ?
[AU30 / CPU_VDACX_OUT]
[AU30 / CPU_VDACX_OUT]
Check the line between IC650 and IC3301.
[External input Network] No picture on the display
Does CVBS signal input to pin of IC650 ?
[3 / CVBS_TU_OUT]
[3 / CVBS_TU_OUT]
Does not the signal input to Network go out?
Does the signal in/output to pins of LAN-jack (J9401)?
[1,2 / MDI0+,-]
[3,6 / MDI1+,-]
[1,2 / MDI0+,-]
[3,6 / MDI1+,-]
Check the interface device and peripheral circuits.
(power-LED of hub, LINK-LED of hub)
(power-LED of hub, LINK-LED of hub)
Does CVBS signal output from pin of EXT1 (SC650) ?
[19 / SC1_V_OUT]
[19 / SC1_V_OUT]
Check the setting of an external input device that connects with
EXT1 ?
EXT1 ?
Does CVBS signal output from pin of IC650 ?
(CAPLESS VIDEO AMP with LPF)
[5 / SC1_V_OUT]
(CAPLESS VIDEO AMP with LPF)
[5 / SC1_V_OUT]
Check the line between SC650 and IC650 ?
↓
↓
Does the MHL Cable detection function?
NO
Check the MHL Cable.
→
↓YES
NO
→
↓YES
NO
→
↓YES
NO
→
↓YES
NO
→
↓YES
NO
→
↓YES
NO
→
↓YES
↓
↓
YES
→
↓NO
YES
→
↓NO
YES
→
↓NO
YES
→
↓NO
Check IC3301 and its peripheral circuits.
↓
↓YES
NO
→
↓YES
NO
→
↓YES
Check IC3301 and its peripheral circuits.
Check the line between SC1504 and IC2601.
Check the line between SC1504 and IC2601.
Does not the picture/sound of the MHL input to HDMI-4 go out?
[External input HDMI-4] MHL: No picture on the display (13)
(using MHL Cable with Mobile Phone)
Does the CBUS signal outputs from pin of IC2601 ?
Does the CBUS signal inputs to pin of SC1504?
SC1504 : [19 / HDMI4_HPD_CBUS]
IC2601 : [41 / HDMI4_HPD_CBUS]
Does the CBUS signal inputs to pin of SC1504?
SC1504 : [19 / HDMI4_HPD_CBUS]
IC2601 : [41 / HDMI4_HPD_CBUS]
Check the line between SC1504 and IC2601.
Does the VBUS signal outputs from pin of SC1504?
Does the VBUS signal isnputs to pin of IC2002 (ucon) ?
SC1504 : [18 / N_MHL_VBUS_DET]
IC2002 : [53 / N_MHL_VBUS_DET]
Does the VBUS signal isnputs to pin of IC2002 (ucon) ?
SC1504 : [18 / N_MHL_VBUS_DET]
IC2002 : [53 / N_MHL_VBUS_DET]
Check the line between SC1504 and IC2002.
<During external connection>
No picture on the monitor
No picture appears on EXT1 connected monitor during the ATV / DTV reception.
Does the CD_SENSE signal outputs from pin of SC1504 at "H" ?
Does the CD_SENSE signal inputs to pin of IC2601(HDMI-SW) at "H"
SC1504 : [2 / MHL_CABLE_SENCE]
IC2601 : [24 / MHL_CABLE_SENCE]
Does the CD_SENSE signal inputs to pin of IC2601(HDMI-SW) at "H"
SC1504 : [2 / MHL_CABLE_SENCE]
IC2601 : [24 / MHL_CABLE_SENCE]
Check the IC2601 and peripheral circuits.
Refer to “Refer to “No picture on the display (1)”
or “The sound is not emitted from the Speaker & Woofer though the picture has come out.”
or “The sound is not emitted from the Speaker & Woofer though the picture has come out.”
Do TMDS signals output from pins of IC2601 respectively.
[19,18 / TMDS_RX_CLK-,+]
[17,16 / TMDS_RX_D0-,+]
[15,14 / TMDS_RX_D1-,+]
[13,12 / TMDS_RX_D2-,+]
[19,18 / TMDS_RX_CLK-,+]
[17,16 / TMDS_RX_D0-,+]
[15,14 / TMDS_RX_D1-,+]
[13,12 / TMDS_RX_D2-,+]
Do TMDS signals input to pins of IC2601 ?
[52,53 / TMDS4_D0-,+]
[52,53 / TMDS4_D0-,+]
Do TMDS signals input to pins of IC3301 (CPU)?
[AH34,AH35 / TMDS_RX_CLK-,+]
[AG34,AG35 / TMDS_RX_D0-,+]
[AG36,AG37 / TMDS_RX_D1-,+]
[AF34,AF35 / TMDS_RX_D2-,+]
[AH34,AH35 / TMDS_RX_CLK-,+]
[AG34,AG35 / TMDS_RX_D0-,+]
[AG36,AG37 / TMDS_RX_D1-,+]
[AF34,AF35 / TMDS_RX_D2-,+]
Check the line between IC3301 and IC2601.
Are pins of IC2601 accessed to pins of IC3301 by IC2 ?
IC2601 : [45 / HDMI_SW_SCL]
[46 / HDMI_SW_SDA]
IC3301 : [AN12 / CPU_OSCL0]
[AP12 / CPU_OSDA0]
IC2601 : [45 / HDMI_SW_SCL]
[46 / HDMI_SW_SDA]
IC3301 : [AN12 / CPU_OSCL0]
[AP12 / CPU_OSDA0]
Check the I2C line between IC2601 and IC3301.
Do signals in/output to pins of IC3301(CPU) ?
[AT18,AU18 / MDI0+,-]
[AT17,AU17 / MDI1+,-]
[AT18,AU18 / MDI0+,-]
[AT17,AU17 / MDI1+,-]
Check the line between IC3301 and J9401.
(T9401 etc…)
(T9401 etc…)
Check the peripheral circuits of IC650 ?
Does CVBS signal output from pin of IC3301(CPU) ?
[AU30 / CPU_VDACX_OUT]
[AU30 / CPU_VDACX_OUT]
Check the line between IC650 and IC3301.
[External input Network] No picture on the display
Does CVBS signal input to pin of IC650 ?
[3 / CVBS_TU_OUT]
[3 / CVBS_TU_OUT]
Does not the signal input to Network go out?
Does the signal in/output to pins of LAN-jack (J9401)?
[1,2 / MDI0+,-]
[3,6 / MDI1+,-]
[1,2 / MDI0+,-]
[3,6 / MDI1+,-]
Check the interface device and peripheral circuits.
(power-LED of hub, LINK-LED of hub)
(power-LED of hub, LINK-LED of hub)
Does CVBS signal output from pin of EXT1 (SC650) ?
[19 / SC1_V_OUT]
[19 / SC1_V_OUT]
Check the setting of an external input device that connects with
EXT1 ?
EXT1 ?
Does CVBS signal output from pin of IC650 ?
(CAPLESS VIDEO AMP with LPF)
[5 / SC1_V_OUT]
(CAPLESS VIDEO AMP with LPF)
[5 / SC1_V_OUT]
Check the line between SC650 and IC650 ?
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