Educator 64 Video board info
This is information for the Educator 64 video board. Here are some small pictures:
Large pictures are in this zip file.
Parts list for things that had numbers on them. Note: Pots have maximum values measured as they do not have readable markings. SET value is what it is dialed into on my working Educator 64.
R341 – POT – V SIZE – MEASURED 3M OHM – SET 170K
R329 – POT – V HOLD – MEASURED 200K OHM – SET 102K
C103 – ELEC – 470Uf 35v
C102 – CERA – CM05ED 220J03 AE
Q101 – F2N 3904 EBC
R131 – EMPTY
Q102 – F2N 5830 EBC
Q104 – F2N 3904 EBC
Q105 – F2N 5830 EBC
C113 – CERA – 100V .047 +-10%
U301 – ST TDA1170S
C317 – ELEC – 100UF 35V NON-POLARIZED
C314 – ELEC – 470UF 25V
C315 – ELEC – 100UF 35V NON-POLARIZED
CR304 – N400?
R336 – POT – V LIN – MEASURED 260K – SET 40K
C322 – ELEC – 4.7UF 35V
C108 – CERA – 100V .47UF +-10%
R108 – POT – CONT – MEASURED 350 OHM – SET 332
SW101 – SWITCH ON
C107 – CERA – .22UF 200VDC +-10%
C109 – ELEC – 220UF 50V
C324 – ELEC – 1000UF 16V
C105 – ELEC – 10UF 25V
Q100? – F2N 3904 EBC
Q103 – 2N3947
C106 – CERA – 301
R467 – POT – H FREQ – MEASURED 4K OHM – SET 3.25K
R478 – POT – FOCUS – MEASURED 3M OHM – SET 1.22M
R468 – POT – H PHASE – MEASURED 120K OHM – SET 80K
U402 – TDA1180S
R114 – ELEC – 4.7UF 35V (MISMARKED)
C442 – CERA – .0022 100V +-10%
Q413 – MPS U05 (TOP YELLOW RED BLUE)
C441 – ELEC – 4.7UF 35V
C440 EMPTY
? CERA 503 + ELEC 100UF 25V
C447 – 470UF 25V
C491 – CERA – 400V 153K
C446 – CERA MFDR69 – .022K 400V
C437 – CERA – 109K 250 88
C436 – ELEC – 4.7UF 35V
C428 – CERA – 100V .47 +-10%
C432 – CERA – 100V .22 +-10%
C429 – CERA – 100V .22 +-10%
C433 – CERA – 503
C430 – CERA – 101
C110 – CERA – MDC .02+80% Z5U-20%
CR500 – CERA AXIAL – AR820 8344
C500 – ELEC1000UF 35V
R506 – RCD RSF3B
R514 – POT – NO DESC – 250 402
R126 – POT – BRIGHT – 220K 423
C502 – ELEC – 22UF 50V
C501 – CERA – 103
C504 – CERA – 100V .0022 +-10%
C503 – CERA – MDC .02M Z5U 50V
Q414 – BU407D
NM – NE556ON
C448 – ELEC – 470UF 25V
Q501 – MPS U05 (TOP ORANGE GREY GREY)
C506 – 103
C445 – ELEC – 10UF 35V NON-POLARIZED
C505 – ELEC – 50V 4700UF
Q500 – 2N5139 EBC
J500 – J501 – Power from PET power supply
J105 – J106 – Video signal from C64 motherboard