• Because the part is made to order (at current market price). 2-7/8 (W) x 5-1/8 (D) x 2-3/8 (H) inches • Because it is carried in electronic data on the Roland web site. • Because it is a package or an accessory irrelevant to the function Weight maintenance of the main body.
Dec. 2009 TU-3 Location of Controls fig.Panel.eps Location of Controls Parts List Part Code Part Name Description Q’ty 5100008544 CASE 5100008548 DISPLAY COVER 5100009104 KPTL-3216SYCK 5100008546 ESCUTCHEON 5100006345 KCSA04-104 01903234 6.5MM JACK HTJ-064-13D 5100003918 JACK NUT M9X12X2 NI RTC(H5039510R0) 5100003926 WASHER 9X13.5X0.5T NI(H5039158R0) 5100001342...
Dec. 2009 TU-3 Parts List fig.-part1-e.eps Due to one or more of the following reasons, SAFETY PRECAUTIONS: parts with parts code ******** cannot be supplied as service parts. The parts marked have safety-related characteristics. Use only listed parts for replacement. •...
Dec. 2009 TU-3 Verifying the Version Numbers Verify the version number in the Test Mode (p. 9). Data Backup and Restore Operations On the TU-3, the following settings remain in memory even after the power is switched off. Executing a factory reset returns these settings to their factory defaults.
Dec. 2009 TU-3 Test Mode Items Required • Attenuator tool x 1 fig.test-Attenuator-e.eps • Signal generator Attenuator-tool circuit diagram • Oscilloscope • Noise meter (e.g., NF M2177) • Tester • 47-kΩ dummy plug x 1 • Amp-equipped monitor speaker • Computer (running Windows XP) •...
Page 10
Dec. 2009 TU-3 Test Items 2. LED and Current-consumption Check 1. Version Check, EEPROM Check, and Switch Check (p. 10) Verify that the connections and signal input are as shown below. INPUT: 200 Hz, 1.0 Vp-p, rectangular wave 2. LED and Current-consumption Check (p. 10) Oscilloscope (channel 1) OUTPUT: 3.
Page 11
Dec. 2009 TU-3 3. OUTPUT Check Verify that signal output stops for OUTPUT only. fig.test-3-4.eps Verify that the connections and signal input are as shown below. INPUT: 200 Hz, 1.0 Vp-p, rectangular wave Oscilloscope (channel 1) OUTPUT: BYPASS: Oscilloscope (channel 2) Oscilloscope settings: 0.5 V/div., 1.0 ms/div., coupling DC Verify that the CHECK LED has gone dark.
Page 12
Dec. 2009 TU-3 Verify that the center light of the LED meter lights up and C appears on the seven-segment LED display. fig.test-4-3.eps 10. Depress the pedal and verify that the CHECK LED goes dark. 5. Noise Check Change the connections as shown below. INPUT: 47-kΩ...
Need help?
Do you have a question about the BOSS Chromatic Tuner TU-3 and is the answer not in the manual?
Questions and answers