Apple QuickTake 100: Difference between revisions
New page: QuickTake 100 camera, cited to Apple's user's guide, Service Source and Tech Info Library |
Correct the description of the serial connector repair in the reference |
||
| Line 75: | Line 75: | ||
Pictures are kept in flash EPROM, which needs no power to hold its contents. Apple's support note on the memory says the chip is surface-mounted and soldered to the circuit board, that erasing overwrites every byte with FF, and that if the memory will not erase to FF the camera declares a hard failure, shows an error and stops working.<ref name="til16881">Apple Computer, "QuickTake 100: Information Stored on Flash EPROM", Tech Info Library article 16881 (TA33034), APPLE_TIL_ARTICLES collection, file TA30000-TA39999. Source for: picture data stored in non-volatile flash EPROM; erasure by overwriting every byte with FF; a hard failure and error display if the memory does not erase; the EPROM is a surface-mounted part soldered to the board.</ref> The clock is a different matter: it stops when the batteries go flat or are removed, and has to be set again from the computer.<ref name="qt100ug" /> | Pictures are kept in flash EPROM, which needs no power to hold its contents. Apple's support note on the memory says the chip is surface-mounted and soldered to the circuit board, that erasing overwrites every byte with FF, and that if the memory will not erase to FF the camera declares a hard failure, shows an error and stops working.<ref name="til16881">Apple Computer, "QuickTake 100: Information Stored on Flash EPROM", Tech Info Library article 16881 (TA33034), APPLE_TIL_ARTICLES collection, file TA30000-TA39999. Source for: picture data stored in non-volatile flash EPROM; erasure by overwriting every byte with FF; a hard failure and error display if the memory does not erase; the EPROM is a surface-mounted part soldered to the board.</ref> The clock is a different matter: it stops when the batteries go flat or are removed, and has to be set again from the computer.<ref name="qt100ug" /> | ||
Colin Leroy-Mira, who wrote QuickTake software for the Apple II, describes the inside of the 100 and 150 as at least five circuit boards joined by flat flexible cables, ribbon cables, bare wires and board-to-board connectors. The serial port sits on the smallest board, which plugs into the large bottom board through two surface-mount connectors.<ref name="colinofix">Colin Leroy-Mira, "Fixing a Quicktake 150 serial connector", colino.net, 21 June 2026, https://www.colino.net/wordpress/archives/2026/06/21/fixing-a-quicktake-150-serial-connector/ (retrieved 2026-10-02). Community repair report. Source for: construction from at least five PCBs joined by FFCs, ribbon cables, bare wires and board-to-board connectors; the I/O board carrying the serial port and its two SMT connectors to the bottom board; a QuickTake 150 that sent its | Colin Leroy-Mira, who wrote QuickTake software for the Apple II, describes the inside of the 100 and 150 as at least five circuit boards joined by flat flexible cables, ribbon cables, bare wires and board-to-board connectors. The serial port sits on the smallest board, which plugs into the large bottom board through two surface-mount connectors.<ref name="colinofix">Colin Leroy-Mira, "Fixing a Quicktake 150 serial connector", colino.net, 21 June 2026, https://www.colino.net/wordpress/archives/2026/06/21/fixing-a-quicktake-150-serial-connector/ (retrieved 2026-10-02). Community repair report. Source for: construction from at least five PCBs joined by FFCs, ribbon cables, bare wires and board-to-board connectors; the I/O board carrying the serial port and its two SMT connectors to the bottom board; a QuickTake 150 that sent its greeting but did not answer the computer, traced to an open receive line and an open pin 2 at the serial connector and repaired with bodge wires; the map of serial pins to resistors and to U309 and U310; the statement that this applies to the QuickTake 100.</ref> See [[Apple QuickTake 100 General Maintenance]] before opening the case: the flash has a high-voltage storage capacitor. | ||
== Connecting the camera == | == Connecting the camera == | ||