LG KG280 Service Manual - Page 91
Camera Ctl Ic, Key Backlight
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7. CIRCUIT DIAGRAM 1 2 3 4 5 6 7 8 9 10 10V Under ECCH0004904 9 PGND ECCH0004904 ECCH0004904 4 3 2 1 5 4 3 2 1 CAMERA CTL IC KEY 15p 100 15p FL401 EVRC14S03Q030100R A DATA00 DATA01 DATA02 DATA03 1 9 INOUT_A1 INOUT_B1 2 8 INOUT_A2 INOUT_B2 3 7 INOUT_A3 INOUT_B3 4 6 INOUT_A4 INOUT_B4 A_DATA00 A_DATA01 A_DATA02 A_DATA03 5 G1 10 G2 SFEY0013201 2V8_VEXT R400 100K VBAT 2V8_VCAM 1V8_VCAM U400 RT9011-MGPQW 1 VIN 2 EN1 3 EN2 4 NC1 VOUT1 8 VOUT2 7 NC2 6 GND 5 R403 C400 C401 C402 NA 1u 1u 1u FL402 EVRC14S03Q030100R DATA04 DATA05 DATA06 DATA07 1 9 INOUT_A1 INOUT_B1 2 8 INOUT_A2 INOUT_B2 3 7 INOUT_A3 INOUT_B3 4 6 INOUT_A4 INOUT_B4 A_DATA04 A_DATA05 A_DATA06 A_DATA07 1V8_VCAM U401 AIT701G 5 G1 10 G2 B DATA08 DATA09 DATA10 DATA11 SFEY0013201 FL403 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 A_DATA08 A_DATA09 A_DATA10 A_DATA11 C403 0.01u H5 VDD_CORE H6 GND_CORE D3 PSCAN_EN E10 PTEST_EN 5 G1 10 G2 SFEY0013201 A_DATA00 A_DATA01 DATA12 DATA13 DATA14 DATA15 FL404 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 A_DATA12 A_DATA13 A_DATA14 A_DATA15 A_DATA02 A_DATA03 A_DATA04 A_DATA05 A_DATA06 A_DATA07 5 G1 10 G2 A_DATA08 SFEY0013201 A_DATA09 A_DATA10 A_DATA11 A_DATA12 A_DATA13 A_DATA14 C R429 100ohm _RD R430 100ohm A_RD _WR A_WR A_DATA15 CAM_HOLD CAM_HOLD J3 H3 PHD0 K4 PHD1 J4 PHD2 K5 PHD3 PHD4 J5 PHD5 K6 J6 PHD6 K10 PHD7 PHD8 J9 PHD9 H10 PHD10 H9 PHD11 G10 G9 PHD12 G8 PHD13 PHD14 F10 PHD15 K7 PHLCD_BY E9 PGPIO0 D9 PGPIO1 PGPIO2 C10 PGPIO3 B9 PGPIO4 A7 PGPIO5 B7 PGPIO6 PGPIO7 F9 D10 TP400 TP401 TP402 TP403 TP404 TP405 TP406 PLCD0 A10 PLCD1 B10 A9 PLCD2 C9 PLCD3 D8 PLCD4 A8 PLCD5 B8 PLCD6 C8 PLCD7 C7 PLCD8 C6 PLCD9 PLCD10 B6 PLCD11 C5 PLCD12 B5 A6 PLCD13 PLCD14 C4 PLCD15 A5 PLCD16 B4 PLCD17 C3 F8 GND_IO2 VDD_IO2 E8 PLCD2_CS_ A2 PLCD1_CS_ B2 PLCD_RD_ A3 LCD_RD B3 PLCD_A0 A4 PLCD_WE_ VSYNCOUT L_DATA00 L_DATA01 L_DATA02 L_DATA03 L_DATA04 L_DATA05 L_DATA06 L_DATA07 L_DATA08 L_DATA09 L_DATA10 L_DATA11 L_DATA12 L_DATA13 L_DATA14 L_DATA15 2V8_VCAM L_MAIN_LCD_CS LCD_RD LCD_RS LCD_WR C404 1u KEY_ROW0 KEY_ROW1 KEY_ROW2 KEY_ROW3 KEY_ROW4 KEY_COL0 KEY_COL1 KEY_COL2 SIDE KEY VOLUME UP DN END CAM VBAT CN400 CN401 NUMERIC KEY MATRIX A R401 10K SW400 SW401 SW402 1 2 3 VA403 R402 680 POWERKEY SW403 SW404 SW405 PG05DBTFC 4 SW406 5 SW407 6 SW408 * VA403 : NA 7 8 9 SW409 SW410 SW411 B * 0 # VA400 PG05DBTFC VA401 PG05DBTFC VA402 PG05DBTFC KEY BACKLIGHT VBAT VBAT C 100ohm 100ohm 100ohm 100ohm 100ohm 100ohm 100ohm 100ohm 100ohm 100ohm 100ohm 100ohm 10V Over ECCH0000182 C405 0.1u C406 0.1u C407 0.1u C408 0.1u C409 0.1u C410 0.1u _LCD_CS A_RD R425 R426 100ohm 0 K1 J1 PHCS_ PHRD_ PHSYNC E3 G1 PVSYNC C_HS C_VS 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u R427 0 A_WR K2 PHWE_ E2 PD0 C_CD00 R415 C416 C415 C414 C413 C412 C411 SSC-TWH104-HLS R414 SSC-TWH104-HLS R413 SSC-TWH104-HLS R412 SSC-TWH104-HLS R411 SSC-TWH104-HLS LDS4S06C-TWH104-HRL4S10 R409 SSC-TWH104-HLS R408 SSC-TWH104-HLS R407 SSC-TWH104-HLS R406 SSC-TWH104-HLS R405 SSC-TWH104-HLS R404 ADD01 R428 100ohm CAM_INT J7 J8 PHLCD_A0 PHINT E1 PD1 PD2 D1 D2 C_CD01 C_CD02 SSC-TWH104-HLS CAM_RST 2V8_VCAM C417 C424 C425 C426 K3 PRST_ K8 PHLCD2_CS_ PD3 PD4 C2 PD5 PD6 C1 A1 C_CD03 C_CD04 C_CD05 C_CD06 TP407 PD7 B1 C_CD07 LD411 LD410 LD409 LD408 LD407 LD405 LD404 LD403 LD402 LD401 LD400 R418 2V8_VCAM 33p 7.5p 7.5p 7.5p J10 PHGPIO_CS_ H1 68K C_RST F2 PS_RST_ PSEN PSDA H2 G2 PSCK CAM_PWR_EN C_SDA C_SCK 2V8_VCAM Q400 IMX9T110 EDLH0012501 _WAIT 13M_AIT_DBB R431 0 C418 1000p K9 J2 PHWAIT_ PMCLK F3 PDCLK PPXL_CLK F1 C_MCLK C_PCLK G3 VDD_IO0 VDD_IO1 H8 H4 H7 R417 12K D C422 R421 C427 C420 GND_IO0 GND_IO1 C423 KEY_BACKLIGHT 10 10 D 12 3 1uF 100K 27p NA 1uF C419 27p R422 12K C421 27p R423 10 R424 10 65 4 R420 R419 CAM_PWR_EN STATUS HIGH DEACTIVE LOW ACTIVE E 1 2 3 4 5 6 7 LGIC(42)-A-5505-10:01 LGE Internal Use Only - 92 - LG Electronics Inc. Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes