STUDIO REPAIR - Yamaha TX802 - Backup Battery

Picture Content Information
▪ Device:		Yamaha TX802
▪ Topic:		Backup Battery
▪ Abstract:		CR2032 w/ 2 Solder Pins @ 15 mm Spacing
▪ Owner:		Equipment courtesy of Wallysworld
▪ Creator:		Image by Nikolaus Riehm
▪ Website:		studiorepair.com
▪ Editor:		Nikolaus Riehm

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Yamaha TX802 • Backup Battery

CR2032 w/ 2 Solder Pins @ 15 mm Spacing

Yamaha TX802 - Main Board * …

Yamaha TX802 - Main Board * Master CPU Hitachi HD63B03YP-N (XD245001)

Yamaha TX802 - Main Board * Master CPU Hitachi HD63B03YP-N (XD245001) w/ EPROMs and RAMs

Yamaha TX802 - Tone Generator * Burr-Brown PCM54 16-Bit DAC, YM2604 OPSII FM Operator, YM3609 Envelope Generator & Slave CPU Hitachi HD63C03YP

Yamaha TX802 - D/A Converter * Burr-Brown PCM54HP 16-Bit D/A Converter

Yamaha TX802 - Analog Circuitry * Analog De-Multiplexer and Sample & Holds for Individual Channel Outputs

Yamaha TX802 - Mix-Bus Circuitry * Mix-Bus Crossbar Built of 4 JRC NJU7301D Quad CMOS SPST Analog Switches & Resistor Arrays

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Yamaha TX802 - Backup Battery - Image by - Equipment courtesy of

Yamaha TX802 - Backup Battery * Replacement Battery - A CR2450 with Slightly Bended Solder Pins Will Fit

Yamaha TX802 - Power Supply * PS Circuit Board XB185B - Component Side

Yamaha TX802 - Power Supply * PS Circuit Board XB185B - Soldering Side

Yamaha TX802 - Logotype * PCB Part No. XB209

Yamaha TX802 - Memory Cartridge * RAM4GF Cartridge

Yamaha TX802 - Memory Cartridge * RAM4GF Cartridge

Yamaha TX802 - Memory Cartridge * RAM4GF Cartridge

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