Yamaha 11391 manual

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A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Yamaha 11391, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

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First and foremost, an user manual of Yamaha 11391 should contain:
- informations concerning technical data of Yamaha 11391
- name of the manufacturer and a year of construction of the Yamaha 11391 item
- rules of operation, control and maintenance of the Yamaha 11391 item
- safety signs and mark certificates which confirm compatibility with appropriate standards

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Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Yamaha 11391 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Yamaha 11391, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Yamaha service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Yamaha 11391.

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It is mostly in the manuals where we will find the details concerning construction and possibility of the Yamaha 11391 item, and its use of respective accessory, as well as information concerning all the functions and facilities.

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Table of contents for the manual

  • Page 1

    SER VICE MANUAL ELECTRIC BASS TRB-6 II CONTENTS OVERALL ASSEMBLY ······································································ 2 ELECTRICAL PARTS ······························································?[...]

  • Page 2

    E20 E19 E18 E14 A01 G08 G07 F04 F02 E09 E08 G06 G03 G02 G01 E12 D01 F01 E22 E23 E23 E24 E23 E22 E07 E11 E27 E26 E02 E01 VOLUME: 5K MID: 50K BASS: 50K PANPOT: 20K F08 TREBLE: 50K B02 B04 B04 B01 B02 B03 E11 Bridge Assembly BPX-6D ; GOLD (QC425600) TRB-6 II 2 OVERALL ASSEMBL Y[...]

  • Page 3

    * * * * * * * * * * * * * * * * * * REF NO. A01 A01 A01 A01a D01 E01 E01 E02 E07 E08 E09 E11 E12 E14 E18 E19 E20 E22 E23 E24 E26 E27 F01 F02 F04 F08 G01 G02 G03 G06 G07 G08 H01 B01 B02 B03 B04 B04 PART NO. DX809400 DX809410 DX809420 AA809390 QC028300 QC028400 EQ624100 QC428000 QC205200 VI825000 QC425600 QA170100 QC224600 ER635250 VB793700 QC205700 [...]

  • Page 4

    TRB-6 II 4 ELECTRICAL P ARTS REF NO. IC1 IC2 IC3 IC4 Q1-4 D1-4 D5 VR1 VR2 VR3 VR4 VR5 VR7 VR8 CN1 CN2 CN3 CN4 L1-4 C1-4 C05 C06 C31 C32 C33 C34 C35 C36 C37 C38 C39 C40 C41 C42 C51 C52 C53 C61 C62 C63 C71 C72 C73 C74 C81 C82 C83 C84 C85 R1-4 R5-8 R09 R10 R11 R12 R13 R14 R15 R16 R21 R23 R31 R32 PART NO. QC432100 IX808770 IG070700 IG070700 IX808780 IX[...]

  • Page 5

    TRB-6 II 5 * * * * * * * * * * * * * * * * * * * * * * * * * * * : New Parts RANK:Japan only REF NO. R51 R52 R53 R54 R55 R56 R57 R61 R62 R63 R64 R65 R71 R72 R73 R74 R75 R76 R77 R78 R79 R80 R81 R82 R83 R84 R85 R86 R87 R88 R89 PART NO. HF557470 HF557470 HF557220 HF554330 HF557180 HF557220 HF554330 HF557330 HF557330 HF557120 HF557680 HF557470 HF558100[...]

  • Page 6

    TRB-6 II 6 CIRCUIT BOARD Pattern side Component side BASS MID TREB PANPOT NECK PICKUP BRIDGE PICKUP FRONT PICKUP REAR PICKUP VOLUME OUTPUT jack Battery 9V 4NB70-QC43210[...]

  • Page 7

    CN3 ( OUTPUT C42 C41 JACK) 0.01 0.01 9V CN4 1 3 2 1 2 4 (BATTERY) 0.01 C37 L3 D5 C34 + + L1 100 H C33 A 0.01 + + C38 C35 C36 10 /16V 10 /16V + (M.VOL) VR2 R55 5KA 3 18K 100p - 6 7 R54 IC1-2 R53 C52 22K 2 45 1 7 22K R56 3 2 1 + 8 1 /50V 1 /50V TC7662 IC4 6 L2 + C40 5 12K R65 3 + R63 1 /50V C63 OP200GP 1 2 (BASS) 68K R64 47K + A + + VR5 50KB*2 (TREBL[...]

  • Page 8

    TRB-6 II 8 WIRING SPECIFICA TIONS 7 2 4 QC43200 QC43220 QC43210 2 FRONT PICKUP REAR PICKUP to bridge GND VOLUME 5k PANPOT 20k Equalizer 50k x3 BASS MID TREB OUTPUT jack Box for dry cell STANDARD SPECIFICATIONS Scale Length ·······························································?[...]