72NX-300 SCHEMATIC DIAGRAM4.92V-7.24V3.28V-7.13V-9.74VAAAAA AA AA AAAAAAAAB30-2215-052SC4617(S)Q22SA1362-F(GR)Q1SSM3K15TE(F)MA2S111-FD11Q3150R4021501uC11470pC12330R160R170R154.7kR14D4 D3C100.1uR404D8 D7LCD BACKLIGHT2SC4617(S)SSM3K15TE(F)12KEY BACKLIGHT∗R405∗D10 ∗D9∗D5∗D6B30-2215-05∗R4031.5kMA2S111-F∗C108A0.1u∗C1141u4.7k∗R106A∗Q1032SA1832(GR)F∗D1011.5k ∗Q102∗Q101330470p∗C1150∗R114 ∗R117∗R1120∗D2 ∗D11.5k∗R401470k∗R108Side_GS136_KEYO2S1098S77S46_KEYO16_KEYO0S654S3 S96S120S521S2 S83S11Side_2Side_16_/KEYI16_/KEYI0470R414470R415470R416470R144470R418D4011SS388F1SS388FD4021SS388FD4031SS388FD404R417 0R410 470R411 470R412 470R413 470/KEYI4/KEYI3/KEYI2/KEYI1/KEYI0KEYO3KEYO2KEYO1KEYO0BLCF6F5F4F3F2F1E6E5E4E3E2E1D6D5D4D3D2D1C6C5C4C3C2C1A1A2A3A4A5A6B1B2B3B4B5B6G1G2G3G4G5G6H1H2H3H4H5H6NCDQ14DQ12DQ10DQ8CEA16DQ7DQ5DQ2DQ0A0A15A11A19A20A5A1A14A10A21A18A6A2A3A7RY/BYWEA9A13A4A17WP/ACCRESETA8A12oEDQ9DQ11VCCDQ13DQ15VSS1DQ1DQ3DQ4DQ6VSS2IC101FLASHD9D11D13D15D1D3D4D6C1050.01u1000pC110C1061uDD14D12D10D8D7D5D2D0A2A6A18A10A14A1A5A20A19A11A15A0A16/RD/CS0CN103A3A7A9A13A4A17A8A12/FRST/WP/WRL717SRAMIC103G3G2G1F6F4F3F1E6E1D6D1C6C4C3C1B6B5B4A1A2A3A4A5A6B1B2B3G4G5G6H1H2H3H4H5H6CEoEDQ7DQ2NC3NC2DQ6VSS2VCC2VCC1VSS1DQ1A5NC1DQ5DQ0A7A4A0A1CE2A3A6A8DQ4A2WEA16A15DQ3A9A10A11A12A13A14470kR1201uC118L710A14A13A12A11A10A9A15A16A0A1A3A6A8A2A5A7A4D0D5D4D1D6D2D7/RD/CS2D3/WR20 V519 V418 V317 V216 V115 VDD14 VSS13 VDD12 D711 D610 D59 D48D07D36D25D14 /WR3 A02 /RES1 /CSCN1LCD11121314151617181920B8B7B6B5B4B3B2B1oEVCC10987654321GNDA8A7A6A5A4A3A2A1DIRIC401TC74LCX245FK VCC6GB187B25312DIRA1A24GNDTC7WZ245FK-FIC402L70710kR40710kR4080.1uC4020R406100kR11220pC40D7D6D5D4D3D2D1D00.1uC401C5 1uC6 1uC1 0.1uC2 1uC3 1uC4 1u0.1uC7 R12 10kR10 10kR6 10kR7 10kR8 10kR9 10kR4 10kR5 10k/LCDRST/CS4/WR100k-tTH12.2u16+C4032.2u16C404++C4052.2u160.1uC81000pC4071000pC40847R409100pC4112kR3100kR21MR11uC406IC403LM2682MMXIC1LMC7101BIM51234C1-C2+C2-VoUT8765NCC1+VINGND45 V-INPUT-53OUTPUTV+INPUT+12BL_SB33M A0DDD33M33M5ASB231BULCONTRESETLCD CONTRASTDOUBLINGVOLTAGEINVERTERBUS SWIC401,40212KEY BACKLIGHT SWLCD BACKLIGHT SWD11,Q1-3D101,Q101-10312KEYCONTROLD401-404X53-4260-XX-10-11 SSM3K15TE(F)2SA1832(GR)FD101D1NONOKMA2S111-FB30-2215-05K3Q103NOQ102NO2SC4617(S)Q101NO NOR1170NOR114330NOR1120NOR108470kR106NO4.7kC115NO470pC114NO1uNOC1080.1uNOR4011.5kR403 R405NO1.5kNO1.5kB30-2215-05NOD2B30-2215-05NOD5B30-2215-05NOD6B30-2215-05NOD9B30-2215-05NOD10CONTROL UNIT (X53-4260-XX)6555555666666667777777588999A B C D E1234567X53-426 1/10