Rane Wheelchair Tf 407 Users Manual / 410 Installation
2015-02-02
: Rane Rane-Rane-Wheelchair-Tf-407-Users-Manual-443427 rane-rane-wheelchair-tf-407-users-manual-443427 rane pdf
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INSTALLATION MANUAL TF 407 & TF 410 MA 3 TRANSFORMER KITS Description Up to three optional 70.7 V or 100 V constant-voltage distribution transformers may be mounted inside the MA 3 with no external wiring or mounting required. • The TF 407 is a 40W, 70.7 V transformer with 0.5 dB insertion loss at rated power and a frequency response of 50 Hz to 15 kHz, ±1 dB. • The TF 410 is a 40W, 100 V transformer with 0.5 dB insertion loss at rated power and a frequency response of 50 Hz to 15 kHz, ±1 dB. Installation WARNING — Only authorized service personell should perform this upgrade. 1. Unplug the MA 3 amplifier! NORMAL FAST + + - FAN SPEED + - 4. Stand the MA 3 up on one end with the power transformer toward the bench (Figure 2). MAY USE CLASS 2 WIRING 3. Capacitors C63, C61, C62 and C65 need to be laid toward the rear of the unit (Figure 1). Don’t press on parts, just gently lay them over. + - 2. Remove the top cover (12 screws). LEVEL LEVEL + 0 + + - + - 10 + - 0 + CHANNEL 3 LEVEL 10 + - 0 CHANNEL 1 + CHANNEL 2 INPUTS Gently lay capacitors back toward the rear OUTPUTS OUTPUT POWER PER CHANNEL 40 WATTS / 8 OHMS 60 WATTS / 4 OHMS 8. Repeat for additional Channels if more than one transformer is required. When installing more than one, start at the bottom (Channel 3). CH 1 2 CH 2 7. With the transformer primary (WHT & BLK) wires facing the PCB, “hang” the transformer on the #8 screw and nylock nut. Hold the screw and transformer in place with one hand. Use your other hand to rotate the supplied #8 nut onto the threads. Use a nut driver and #2 Phillips driver to snug the hardware. Install the second #8 screw and nylock nut. Make sure hardware is tight. 1 CH 3 6. Place one of the two supplied #8 screws in the “top” mounting hole of the pair of holes associated with the channel receiving the transformer (Figure 2). The “bottom” two holes are for Channel 3. The “center” two holes are for Channel 2. The “top” two holes are for Channel 1. 10 5. Locate the transformer mounting holes along the rear panel of the MA 3 (Figure 2). Figure 1. Capacitor clearance Ch 1 Ch 2 Ch 3 AVIS RISQUE DE CHOC ELECTRIQUE — NE PAS OUVRIR WARNING TO REDUCE THE RISK OF FIRE OR ELECTRICAL SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. DO NOT REMOVE COVER. NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL. N108 FOR CONTINUED GROUNDING PROTECTION DO NOT REMOVE SCREW 120V 50/60 Hz 360 WATTS MA 3 MADE IN U.S.A. RANE CORP. 3 Figure 2. Transformer mounting holes for each channel. Gently lay capacitors back toward the rear TF 407 & TF 410 MA 3 TRANSFORMER KITS 9. Once the transformers are securely mounted, lay the unit down (never leave the unit standing on its end unattended). 10. See Figure 3. The + (hot) jumper must be cut when a transformer is installed. The – (gnd) jumper may be cut for a fully isolated secondary or left in for a ground referenced secondary. There are two wire jumpers for each Channel: Ch 1 + (hot) W6 – (gnd) W9 Ch 2 + (hot) W8 – (gnd) W10 Ch 3 + (hot) W13 – (gnd) W14 11. Cut the required jumper(s). 12. Locate the BLK/WHT primary pair. Twist the wires together. 13. Connect the BLK primary wire: Ch 1: J8 Ch 2: J15 Ch 3: J25 14. Connect the WHT primary wire: Ch 1: J20 Ch 2: J11 Ch 3: J22 15. Locate the BLK/RED secondary pair. Twist the wires together. 16. Connect the BLK secondary wire: Ch 1: J10 Ch 2: J14 Ch 3: J21 17. Connect the RED secondary wire: Ch 1: J9 Ch 2: J16 Ch 3: J17 18. Use the supplied tie raps to “dress” wires along the rear of the chassis and away from power transformer and circuit board. 19. Place the supplied Label on the outside of MA 3 to indicate the location and type of transformer installed. 20. Re-install the top cover. Ch 1 Ch 2 Ch 3 Figure 3. Jumpers ©Rane Corporation 10802 47th Ave. W., Mukilteo WA 98275-5098 TEL 425-355-6000 FAX 425-347-7757 WEB www.rane.com All features & specifications subject to change without notice DOC 103209
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