File name tektronix_2213_service.pdfTektronix-
2213 OSCILLOSCOPE
SERVICE INSTRUCTION MANUAL
2213 Service
TA BLE O F CO N T EN TS
L IST OF I LLUST RATIO NS . . . . . . . . . . . . . . . . . iv
LIST O F TA BLES . . . . . . . . . . . . . . . . . . . . . . . . OPERATO RS SA FE TY SUMMAR Y . . . . . . . . . . . . vi
S ERV ICING SA FE TY SUMMARY . . . . . . . . . . . . . vii
Page SE CTIO N 3 THE ORY O F OPERATIO N NTROD UCTIO N . . . . . . . . . . . . . G ENER AL DESC R I PTION . . . . . . . D E TAI LE D CI RCUIT DE SC R I PTION . . . . . . . . . . . . . . . VERTICAL ATTENUATO RS . . . In p ut Co u p ling . . . . . . . . . . . H ig h- Attenuato r . . . . . . . . . B uffer Amplifier a n d Low- Atte nuator . . . . . . . . . . . . . . Volts/Div Var Circuit and X1/X10 Amplifier . . . . . . . . . VERTICA L PREAMPS. . . . . . . . Chan nel 1 Vertical P ream plifier Channel 2 Vertical P reamplifier Internal Trigger P ickoff Amplifier. . . . . . . . . . . . . . . CHANNEL SW ITCH AN D VERTICA L O UTPU T . . . . . . . . Diode Gates . . . . . . . . . . . . . Delay L ine Driver . . . . . . . . . Delay L ine . . . . . . . . . . . . . . Vertical Out p ut Am plifier . . . . Chan nel Switch ing L ogic Circuit. . . . . . . . . . . . . . . . . Internal Trigger Switch ing L ogic . . . . . . . . . . . . . . . . . T R IGGER . . . . . . . . . . . . . . . . Internal Trigger Am p lifier . . . . Trigger Source-Switc hing Circuit. . . . . . . . . . . . . . . . . External Trigger Amplifier . . . A uto Trigger Circuit . . . . . . . . Trigger Level Comparator . . . . Inverting Am plifier an d TV T rigger Circuit . . . . . . . . . Sc h mitt T rigger Circ u it . . . . . . Au to B aseline Circuit . . . . . . . SWEEP G ENER ATOR AN D L OGIC . . . . . . . . . . . . . . . . . . Miller Swee p Ge nerator . . . . . Sweep L ogic . . . . . . . . . . . . . Delay Circuit . . . . . . . . . . . .
Page
I
. . 3-1 . . 3-2 . . . . . . . . 3-4 3-4 3-4 3-4
S E CTIO N 1 S PE CI F ICATION
NTROD UCTIO N . . . . . . . . . . . . . 1-1 ACCESSO R I ES. . . . . . . . . . . . . . . 1-1 PERF O RM ANCE CO N DITION S . . . 1-1 SECTIO N 2 OPERATING I NST RU CTIO NS PREP A R ATIO N F O R U S E . . . . . . . SA FE TY . . . . . . . . . . . . . . . . . L I NE VO LTAGE . . . . . . . . . . . P OWER CO R D . . . . . . . . . . . . . L I NE FU SE . . . . . . . . . . . . . . . CO NTRO LS, CO NNECTORS, AN D I N DICATO RS. . . . . . . . . . . . P OWER, DISPL AY, AN D PR OBE ADJU ST . . . . . . . . . . . . VERTICA L . . . . . . . . . . . . . . . H O R IZO NTA L . . . . . . . . . . . . . TR IGG ER . . . . . . . . . . . . . . . . RE AR PANEL . . . . . . . . . . . . . OPERATI NG CO NSIDER ATIO N S . . G RATIC ULE . . . . . . . . . . . . . . G ROUN DI NG . . . . . . . . . . . . . SIGNAL CO NNE CTIO N S . . . . . . I NPUT CO UPL I N G CA PACITOR PRE CH A RGI NG . . . . . . . . . . . . I N ST RUMENT COO L I NG . . . . . OSCI LL OSCO PE DISPL AYS. . . . . . NTROD U CTIO N . . . . . . . . . . . BAS EL I NE T R AC E . .. . . . . . . . . SIG N AL DISPLAY . . . . |