DATAMATH CALCULATOR MUSEUM
Texas Instruments TI-7350SV
|Date of introduction:||1999||Display technology:||LCD|
|New price:||Display size:||8|
|Size:|| 5.2" x 4.3" x
131 x 109 x 24 mm3
|Weight:||3.3 ounces, 93 grams||Serial No:|
|Batteries:||LR54 (30µA)||Date of manufacture:||mth 03 year 2002 (B)|
|AC-Adapter:||Origin of manufacture:||China (N)|
|Program steps:||Courtesy of:||Joerg Woerner|
TI-7350SV - successor of the TI-7350 - looks at first glance 100% identical with the TI-1795SV
introduced in 2000. The only interesting part we found so far, is the backside
of the package. The specifications are given in 4 languages: English, French,
Spanish, and Portuguese. Rather atypical for Texas Instruments.
Dismantling this TI-7350SV manufactured in March 2002 by Nam Tai Electronics in China reveals a clean design centered around an unknown single-chip calculator circuit mounted in Chip-on-Board (COB) technology on a small double-sided printed circuit board (PCB) and powered by small solar cells and a LR54 (LR1130) backup battery. A larger, single-sided PCB is used for the keyboard and connected with a short flat flexible cable (FFC).
Inspecting the PCBs of the TI-7350SV calculators brought our attention to two small marks reading TI-1795SV VS302-1 resp. TI-1795SV VS307-1 prooviing its true identity. We started compiling a list of the PCB-Marks on calculators manufactured by OEMs for Texas Instruments.
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© Joerg Woerner, May 26, 2004. No reprints without written permission.