Yamaha m 1524
This is the 48 pages manual for yamaha m 1524.
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Extracted text from yamaha m 1524 (Ocr-read)
Page 1
532/ M 524
SERVICE MANUAL
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PHONES 9&2 (36-5/8) g
WEIGHT: M1532 105 kg (231 lbs)
M1524 97 kg (213 lbs) UNIT: mm (Inch)
.CONTENTS
IDENTIFICATION OF PARTS AND CONTROLS . 1 INPUT MODULE ....................... 13
SPECIFICATIONS ...................... 3 MASTER MODULE ..................... 15
DISASSEMBLY PROCEDURES ............. 5 FB & PHONE MODULE .................. 17
CHECK AND ADJUSTMENT ............... 6 TALKBACK MODULE ................... 19
BLOCK DIAGRAM ..................... 10 MT1/MT4 CIRCUIT BOARDS .............. 21
LEVEL DIAGRAM ...................... 11 CO CIRCUIT BOARD .................... 21
GROUNDING SCHEME .................. 12 PW15003 POWER SUPPLY ................ 22
SINCE 1837
YAMAHA
NIPPON GAKKI CDT, LTD. HAMAMATSLI..JAPAN
2100 me aned in Japan, 7 432
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Page 2
M1524
M1532/M1524
.IDENTIFICATION OF PARTS AND CONTROLS
INPUT MASTER FB & PHONES
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INPUT MODULE
oCUE SWITCH
oCHANNEL FADER
9CHANNEL ON/OFF SWITCH ,
0 INPUT LEVEL SWITCH AND LED PEAK
. INDICATORS
0 INPUT SELECTOR AND INDICATOR
9 PHASE (POLARITY) REVERSAL SWITCH
o PHANTOM POWER ONIOFF SWITCH
(3) FOLDBACK PRE-POST SWITCH
0 FOLDBACK MIX LEVEL CONTROLS
IFOLDBACK SEND LEVEL)
ID ECHO PR E-POST SWITCH
0 ECHO MIX LEVEL CONTROLS
(ECHO SEND LEVEL)
@HICH PASS FILTER (HPFSOI SWITCH
@EOUALIZER (EOI
@PAN POT
ID BUS ASSIGN SWITCHES
MASTER MODULE
oPROGRAM CUE SWITCHES
@PROGRAM MASTER FADERS
QPROGRAM MASTER ON/OFF SWITCHES
OMATRIX ON/OFF SWITCHES
@MATRIX MASTER LEVEL CONTROL
0 PROGRAM MIX LEVEL CONTROLS
0 EFFECTS IN LEVEL CONTROLS
AND CUE BUTTONS
GEFFECTS INPUT FOLDBACK AND ECHO
ASSIGN SWITCHES
9 EFFECTS TO PROGRAM/MATRIX SWITCHES
w EFFECTS MASTER ASSIGN SWITCHES
FB 8: PHONES MODULE
0 CUE-ASSIGNED INDICATOR
o PHONES LEVEL CONTROL
9 HEADPHoNE MONITOR SELECTOR
o FOLDBACK MASTER ON/OFF SWITCHES
0 FOLDBACK1 AND 2 MASTER LEVEL
CONTROLS
O ECHO MASTER ON/OFF SWITCHES
0 ECHO MASTER LEVEL CONTROLS
TALKBACK MODULE
0 TALKBACK ONIOFF SWITCH
@ TALKBACK INPUT LEVEL CONTROL
9 TALKBACK IN PUT LEVEL SWITCH
o TALKBACK INPUT CONNECTOR
@TEST OSCILLATOR
0TB OUTPUT ON/OFF SWITCH
o FOLDBACK BUS 2 ASSIGN SWITCH
O FOLDBACK BUS I ASSIGN SWITCH
o ECHO BUS 2 ASSIGN SWITCH
I19 ECHO BUS 1 ASSIGN SWITCH
0 TALKBACK To PROGRAM/MATRIX SWITCH
0 TALKBACK MASTER ASSIGN SWITCHES