HP LaserJet P2050 Service Manual - Page 220

Circuit diagram Figure 7-14 Circuit diagram 208 Chapter 7 Solve problems 6 5 4 3 SW70 1 SW71 1 SW72 1 SW73 1 SW74 1 2 J73 LED1 2 2 1 2 LED2 22 1 2 FFC Operation panel (P2050 series) 9 7 5 3 1 8 6 4 2 J72 LCD 11 10 9 8 7 6 5 4 3 2 1 J71 11 10 9 8 7 6 5 4 3 2 1 J71F P2050 series only Media full sensor PS91 123 1 23 J911 Media width Top sensor sensor PS912 PS913 123 123 1 2 34 J912 Cassette media presence sensor PS914 123 123 J914 MP tray media presence sensor PS916 123 123 J916 Fuser delivery sensor PS915 123 1 23 J915 Fuser unit Themistor TH1 1 2 D Thermoswitch TP1 1 TP 2 MT1 MT2 Fuser heater H1 END1 1 2 END2 1 2 J4 Fuser film unit 987654321 987654321 +3.3V LCD_DATA FP_CLK LCD_NCS SR_NCS SR_DATA FP_RSLD NRESET FP_LE 1D FP_LE 2D GND Operation panel (P2030 series) SW951 SW952 1 LED951 2 1 LED952 2 J951 LED953 2 1 2 1 2 1 J1F 1 2 3 4 5 6 7 8 9 10 11 J1M 1 2 3 4 5 6 7 8 9 10 11 J1F J1M J7 1 2 3 4 LED954 2 1 LED955 LED956 2 1 2 1 5 6 7 Laser scanner unt i Laser Drive PCA BD sensor J801 Scanner motor M2 M 1234 J802M 1 2 3 4 J802F 1 2 3 4 4 3 2 1 J1103F 4 3 2 1 J1103M 2 4 6 8 12 10 1 3 5 7 9 13 11 8 Formatter 9 11 10 12 FFC SL1 SL 21 21 21 1 3 5 7 9 11 13 2 4 6 8 10 12 /BDI(*) +5V(*) GND(5)(*) GND(DCOM) /VDO2 VDO2 GND(DCOM) VDO1 /VDO1 GND(DCOM) CNT2 CNT1 CNT0 J3 J4F J4M +24P1 MPSOL(*) MP tray pickup solenodi Main fan FM1 12 3 Cassette pickup solenodi SL2 SL 12 J1105F 1 2 3 J1105M 1 2 3 J1104F 1 2 J1104M 1 2 28 26 24 20 22 18 16 14 27 25 21 23 19 17 15 13 FFC Duplex reverse solenoid SL3 SL 12 J1101F 1 2 J1101M 1 2 J213F 1 2 3 J213M 1 2 3 J203F 1 2 3 4 J203M 1 2 3 4 J204F 1 2 3 J204M 1 2 3 J205F 1 2 3 J205M 1 2 3 J206F 1 2 3 J206M 1 2 3 J210F 1 2 J210M 1 2 2 1 J102F 2 1 J102M +3.3V GND /FULSNS /PISNS +3.3V /WDSNS GND +3.3V GND /CSTSNS +3.3V GND /MPSNS +3.3V GND /POSNS GND FSRTH ACH ACN J202M J202F GND Main motor 12345 12 345 1 23 45 12 34 5 J201 28 +24P1 27 MPSOL 26 CNT0 25 CNT1 24 CNT2 23 GND TR JP301 JP302 /MACC /MDEC MFG +24P1 J2141 1 +24V M1 M C J1202F J1202M 1 23 45 FT1 2 Door switch 22 +5V 21 /BDI 20 N.C. 19 N.C. DV JP303 JP304 2 +24U J2142 FT2 SW301 1 18 /BD0 17 /SC 16 /SCLK 15 /RST0 14 GND 13 GND Engine Controller PCA PR JP305 JP306 ANT JP111 123 1 23 J215M J215F SWON GND LED J1001 1 2 3 Power switch LED1001 SW1001 2 1 1 2 12 GND 11 GND 10 GND 9 GND JP112 AC-H 1 B 2 3 INL101 321 3 21 8 +3.3V AC-N 7 +3.3V 6 +3.3V 5 +3.3V 4 +3.3V J101M J101F J302 FT3 FB 3 +3.3V +3.3V GND /DUPSNS FANLOCK DUPSOL CSTS LO GND /DEC /ACC +24P1 TAG1 TAG2 /CLK /SO /SI /TESTP GND +24V 2 N.C. 1 +3.3V J208M 1 2 3 J207M 1 2 3 4 5 6 7 J581M 1 2 J211M 1 2 3 4 5 6 PF pickup solenodi PS1201 PF medai J208F 1 2 3 J911 1 23 J207F 1 2 3 4 5 6 7 J581F 1 2 J211F 1 2 3 4 5 6 SL4 Paper feeder (Option) SL 12 123 feed sensor 123 J1204 123 21 PS918 Duplex reverse sensor 2 1 J2100 J1205F J1202F 1 2 J1202M 1 2 J1203F 1 2 3 J1203M 1 2 3 J1205D J1201 A 1 P2050 series only 2 3 PF intermediate PCA GND +24P1 FANLOCK +24P1 CSTSOL(*) +24P1 DUPSOL(*) COILB COILA 7654321 7654321 +24V OPTSLON LEDDRV GND OPTSNS GND /DEC /ACC +24P1 Connecting PCA 4 J1102 ENWW