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BASS AMPLIFIER
VX55B
SERVICE MANUAL
.FRONT PANEL [7 n t/ I may»)
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ICONTENTs [E 3:] ..
SPECIFICATIONS (ESRMEJ ........ .. .,, . . . 1 PARTS LIST (AMP. UNIT) ................ 11
GENERAL ADJUSTMENT (gag) ............ 2 (4-? I) z (- (7> 71: «y I- )1
CHECK SPECIFICATIONS [Iafififi] ....... 3 ~ 5 EXPLODED VIEW (CABINET) ............. 12
PRINTED CIRCUIT BOARD (Parts side) ....... 6/7 Efifil<9¥§§m
[9- I~I(§Kn"nfi)] PARTS LIST (CABINET) ................. 12
BLOCK DIAGRAM [7nw9§479'5A] 7 EN-yuz (WM-£25
SCHEMATIC DIAGRAM (ASHES-J .......... 8/9 PARTS LIST (ELECTRICITY) .............. 13
EXPLODED VIEW (AMP. UNIT) ............ 10 [{-"J '} Z I (Efififin
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, YAMAHA
NIPPON GAKKI CU.. LTD. HAMAMATSU JAPAN
2,6K~702 @Printed in Japan 341