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Yamaha SYSTEM45 Service Manual: Specifications

Electric acoustic guitar sensor pickup.
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SYSTEM45
This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed
that basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and under-
stood by the users, and have therefore not been restated.
WARNING :
IMPORTANT :
The data provided is belived to be accurate and applicable to the unit(s) indicated on the cover. The research engineering, and
service departments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefore, inevitable
and changes in specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear to
exist, please contact the distributor's Service Division.
WARNING :
IMPORTANT :
The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (Where
applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly
other entities) to cause cancer and/or birth defects or other reproductive harm.
DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT
SO EVER!
Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose
eyes to solder/flux vapor!
If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling
food.

SPECIFICATIONS

System
Pickup
Pre-amplifier Controls
Output jack
Output impedance
Power supply
Battery life
総合仕様
システム
SYSTEM-45(モノラル-2way)
ピックアップ
・バーセンサー (ピエゾタイプ)
・コンデンサーマイク (フレキシブルパイプ付)
コントロール
VOL.、MIC.VOL.、バーセンサー (ピエゾ) 用EQコントロール:
HIGH, MID, LOW、AMF、PHASE (マイク用フェイズスイッチ)
出力ジャック
エンドピ ン/電源スイッチ兼用
出力インピーダンス 1 kΩ
電源
DC9V S-006P (6F22) 乾電池使用
電源寿命
約350時間
2
IMPOR TANT NOTICE
Failure to follow appropriate service and safety procedures when servicing this product may result in per-
sonal injury, destruction of expensive components and failure of the product to perform as specified. For
these reasons, we advise all Yamaha product owners that all service required should be performed by an
authorized Yamaha Retailer or the appointed service representative.
This presentation or sale of this manual to any individual or firm does not constitute authorization certifi-
cation, recognition of any applicable technical capabilities, or establish a principal-agent relationship of
any form.
Static discharges can destroy expensive components. Discharge any static electricity your body may have
accumulated by grounding yourself to the ground bus in the unit (heavy gauge black wires connect to
this bus.)
Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power
to the unit.
WARNING: CHEMICAL CONTENT NOTICE!
SYSTEM-45 (Monaural 2 way)
• Bar Sensor (Piezo type)
• Condenser Mic (with gooseneck)
VOL., MIC.VOL., EQ control for bar sensor
(piezo) : HIGH, MID, LOW,
AMF, PHASE(Phase switch for mic)
Combination end pin/power switch
1 kΩ
9V DC, S-006P (6F22) dry cell battery
Approx. 350 hours

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