Yamaha sb168 es stage box service manual
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Page 1
STAGE BOX
SB168-ES
SERV CE MANUAL
l CONTENTS (E :m
SPECIFICATIONS (fiéfifi) ........................................... 4
PANELLAYOUT (Niki/{7'7 I). ..6
DIMENSIONS (Trifil) ...................................... .. 7
CIRCUIT BOARD LAYOUT (1: y I\ I/T 7"} I) ........... 8
DISASSEMBLY PROCEDURE (fifififllfi) ..................... 10
LSI PIN DESCRIPTION (LSI fiflééafiié) .. ...19
IC BLOCK DIAGRAM (IC 7"I:I v 7.) 27
CIRCUIT BOARDS (9- NEW.» ...30
TEST PROGRAM (5-K I~7I:75L\) ....................... 46/60
INSPECTIONS OISE) ................................................. 74/76
HOW TO BACKUP SB168»ES DATA
(2kI$?-51<7)/\v 77v 7757;) ................................ 78/79
FIRMWARE UPDATE
(7, -L\'717(7)7y7°7_-:- L) ................................ 80/85
ERROR MESSAGES (Ii-X ywz- ) ..90/91
WARNING MESSAGES (I7-:>7>< \yt-/ ........... 92
PARTS LIST
BLOCK DIAGRAM (7D y 75% 775A)
WIRING (Eflififvil)
CIRCUIT DIAGRAM GENE.)
PA- .YAMAHA
200901- 17 7/75 If 2 HAIVIAMATSU, JAPAN
Copyright (0) Yamaha Corporation. All rights reserved. PDF WI [Dffl '09.01
Page 2
SB168-ES
INIPORTAN T NOTICE
This manual has been provided tor the use of authorized Yamaha Retailers and their service personnel. It has been assumed that basic
service procedures inherent to the industry, and more speciiically Yamaha Products, are already known and understood by the users,
and have therefore not been restated.
WARNING : Failure to follow appropriate service and safety procedures when servicing this product may result in personal in'ury,
destruction of expensive components and failure of the product to periorm as specified. For these reasons, we a vise
all Yamaha product owners that all service required should be performed by an authorized Yamaha Retailer or the
appointed service representative.
IMPORTANT : This presentation or sale of this manual to any individual or firm does not constitute authorization certification,
recognition of any applicable technical capabilities, or establish a principal-agent relationship of any form.
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
distributors Service Division.
WARNING : Static discharges can destroy expensive components. Discharge any static electricit your_body may have accumulated
by grounding yourself to the ground bus In the unit (heavy gauge black Wires connec to this bus.)
IMPORTANT : Turn the unit OFF during disassembly and parts replacement. Recheck «LII work before you apply power to the unit.
WARNING: This product contains chemicals known to the State of California to cause cancer, 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]
Ilux vaporl
If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food.
LITHIUM BATTERY HANDLING
This product uses a lithium battery for memory back-up.
WARNING : Lithium batteries are dangerous because they can be exploded by improper handling. Observe the following precautions when
handling or replacing lithium batteries.
Leave lithium battery replacement to qualified service personnel.
Always replace with batteries of the same type.
When installing on the PC board by soldering, solder using the connection terminals provided on the battery cells.
Never solder directly to the cells. Perlorm the soldering as quickly as possible.
Never reverse the battery polarities when installing.
Do not short the batteries.
Do not attempt to recharge these batteries.
Do not disasemble the batteries.
Never heat batteries or throw them into fire.
ADVARSEL!
Lithiumbatterikasplosionslare ved fejlagtig handtering. Udskiftning ma kun ske med batteri af samme fabrikat og type. lever det brugte batteri tilbage til
leverandren.
VARNING
Explosionsfara vid felaktigt batteribyte.
Anvand samma batterityp eller en ekvivalent typ som rekommenderas av apparattillverkaren.
Kassera anvant batteri enligt labrikantens instruktion.
VAROITUS
Paristo voi rajahtaa, jos se on virheellisesti asennetlu.
Vaihda paristo ainoastaan Iaitevalmistajan suositlelemaan tyyppiiin.
Havita kaytetty paristo valmistajan ohjeiden mukaisesti.
The following information complies with Dutch oificial Gazette 1995. 45; ESSENTIALS OF ORDER ON THE COLLECTION OF BATTERIES.
- Please refer to the diassembly procedure for the removal of Backvup Battery.
- Leest u voor het verwijderen van de backup batlerij deze beschrijving.
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