SERVICE MANUAL SERIES 320 XR - Precisa
SERVICE MANUAL SERIES 320 XR - Precisa
SERVICE MANUAL SERIES 320 XR - Precisa
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23Series <strong>320</strong> <strong>XR</strong> Main board / Hauptprint <strong>320</strong>-7227-020+VAGNDGND12-VA2IO[0..7]1IO634+5V5GND2EXP[0..7]R75100k2+5VPISODATALCDEXP7123456710 9 U20CU20D74HC368/SO16/CS34321RTC567815GND16 +5V4DTRTXDRXDCTSD4D5D6D7EXP1GND+5Vto power supply board+VDISP+5V6HEADER 9X213 14 /CS3U20F11 12 EXP2U20EEXP[0..7]8GND3+5VC634.7uFGND1GND3+5V3BuzzerGNDVFILAL3BLM21R734k7D[0..7]/CS[0..4]A[0..22]3GNDto display pcb+5VVSCSGNDVDCGNDIO[0..7]1/CS[0..4]keyboard121212EXP0IO3IO0IO1IO2/CS25GND+5V7D03D1D21A0A1A2/CS39/CS3GND11U19B74HC240876+5V123GNDGNDGND6+5V678S5R83L4 BLM21 47k1 2LCD3 45 6+5V7 8GND9 1011 12L5 BLM2113 14L6 BLM21+VDISP +VAVFILAVCC VDD +5VAIN2321VSSGND237<strong>320</strong>-7227a Page4 21-10-05151827364 5R81100k6 74 5U20B2 3 U20AJP5CR16XXL1L2BLM21BLM21R76 22kS3VSCSPWM11 2PISODATA3 4/PLOAD5 6PISOCLK7 89 1011 12+VAGND13 14-VAAGND15 16GNDR77 R7817 18VDC1k 1kC61 6.8pFQZ25U2132.768kHzBAW5618D15RN510k+31X1 I/OX2SCLKRSTS4-2RN8100R4 519D10BAW563 18+VCC2VCC1DS1302/SO85D163D177D18BZX84C4V7RN7100R4 5-R80100k11 3R84330RLC1NFE312D8BZX84C4V7R7115kD9BZX84C4V7LS1QMB111R8547kLC3NFE31L7 BLM211 31 33 122D11BAW56RN64k7LC2NFE312J1BRC6210nFQ3BSS12323D20 BAW563 1D21 BAW56R7947kU12B12D1174HC74/SO14R11910kR1202.2kC644.7uF1310QPRCLKQCLC59100nFC60100nFR744k7U22ALM358/SO8U22BLM358/SO81816146D3 12U19A74HC2404820 117 310 19TXDLRXDLEXP[0..7]R72100k111012U18C1+V+C1-V-C2+GNDC2-VCCMAX202/SO16151378TD1/INTD2/INTD1/OUTTD2/OUTR1/OUT R1/INR2/OUT R2/IN141369SSIOSCLKTIMASIC1D[0..7]A[0..22]EXP[0..7]PWM2IO[0..7]/CS[0..4]AIN1<strong>Precisa</strong> Gravimetrics AG Index b2 C7
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