Yamaha Mg12.4 Service Manual
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31 MG12/4 MG16/4 Pattern side B B MAIN: 2NA-WE52160 ¢Í»”ï £
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32 MG12/4 MG16/4 MG16/4 JACK 1/2 Circuit Board Component side MIC LINE INSERT I/O to MAIN-CN101 to MAIN-CN301 to MAIN-CN501 to MAIN-CN701 to MAIN-CN901 1 2 34 567 8 1 2 34 567 8 1 2 34 567 89 1 9(L) 10(R) 11( 12( R C C 01 to MAIN-CNA01 to MAIN-CND01 to MAIN-CNE01 to MAIN-CNG01 11 ) 11(L) 12(R) 13(L) 14(R) 15(L) 16(R) L RETURN SEND C-R OUTRL R L R L R AUX1 AUX2 ST OUT GROUP OUT REC OUT 2TR IN 12 R R L L 16(R) 14(R) 15(L) 13(L) C C JACK 1/2: 2NA-WE57310 ¢ æ ¼ £
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33 MG12/4 MG16/4 to MAIN-CNH01 PHONES MG16/4 JACK 1/2 Circuit Board Component sidePattern side Pattern side MG16/4 JACK 2/2 Circuit Board D D D D JACK 1/2, 2/2: 2NA-WE57310 ¢Í»”ï £ ¢Í»”ï £ ¢ æ ¼ £
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34 MG12/4 MG16/4 MG12/4 MAIN Circuit Board GAIN HPF HIGH MID LOW AUX1 PRE AUX2 PA N ST PFL 1-2 1234 to JACK 1/2-CN571 to JACK 1/2-CN771 to JACK 1/2-CN971 to JACK 1/2-CNA71 to JACK 1/2-CND71 to JACK 1/2-CN ST ST AUX2 AUX1 GROU PHANTOM+48V 2TR IN RETURN S 5/6 7/8 9/10 11/12 PAN/BAL PAN/BAL BAL BAL PEAK PEAK PEAK PEAK PEAK PEAK E E MAIN: 2NA-WE52150
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35 MG12/4 MG16/4 Component side ACK 1/2-CND71 to JACK 1/2-CNE71 to JACK 1/2-CNG71 to PS-CN02 to JACK 2/2-CNH02 ST ST C-R/PHONES AUX2 AUX1 AUX2 TO ST ST/ GROUP AUX1 ST GROUP 1-2 PHANTOM +48V 2TR IN RETURN SEND 2TR IN PEAK+5 +3 +1 0 -1 -3 -5 -7 -10 -15 -20 LSTR 12POWER 11/12 BAL E E MAIN: 2NA-WE52150 ¢ æ ¼ £
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36 MG12/4 MG16/4 MG12/4 MAIN Circuit Board F F MAIN: 2NA-WE52150
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37 MG12/4 MG16/4 to MAIN-CNH01 PHONES Component side Pattern side Pattern side MG12/4 JACK 2/2 Circuit BoardF F JACK 2/2: 2NA-WE67570 MAIN: 2NA-WE52150 ¢Í»”ï £¢ æ ¼ £ ¢Í»”ï £
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38 MG12/4 MG16/4 MIC LINE INSERT I/O1 234 1 234 12 34 to MAIN-CN901 to MAIN-CNA01 to MAIN-CND01 to MAIN-CNE01 to MAIN-CNG01 57 5(L) 6(R) 7(L) 8(R) 9(L) 10(R) 11(L) 12(R) L RETURN SEND C-R OUTRL R L R L R AUX1 AUX2 ST OUT GROUP OUT REC OUT 2TR IN 12 R R L L 12(R) 10(R) 11(L) 9(L) to MAIN-CN501 to MAIN-CN701 MG12/4 JACK 1/2 Circuit Board JACK 1/2: 2NA-WE67570 Component side ¢ æ ¼ £Pattern side¢Í»”ï £
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39 MG12/4 MG16/4 INSPECTIONS Scope This inspection specifications is applied to the mixer MG12/4 and MG16/4. 1. Measurement Conditions 1-1. Environment Normal temperature (10 to 35°C) Mormal humidity (45 to 85%) 1-2. Power Source The voltage is within +/- 10%. AC Adaptor (PA-20) shall be used. WC704200 (H, W:230V 50Hz) or WC704100 (U, V:120V 60Hz), WC704300 (B:230V 50Hz), WC704400 (K:220V 60Hz), WC704500 (A:240V 50Hz), WC711100 (O:220V 60Hz) 2. Electric Characteristics 2-1. Preparation The load...
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40 MG12/4
MG16/4
2-6. Gain
The output levels shall be within the range specified in the Table 2-6-1 - 2-6-6.
In the INPUT CH column, alphanumeric figures in front represent MG 12/4 and those in the parentheses represent MG 16/4.
Table 2-6-1 CH INPUT(1-4/8) [dBu ]
INPUTINPUT
Gain ST L OUT ST R OUT GROUP 1 ~ 2AUX1
AUX2 C-R OUT *2 C-R OUT *3
Level PRE OFF PRE ON
Mic -80 Max +1 +/- 2 *1 +1 +/- 2 *1 +4 +/- 2 +6 +/- 2 -4 +/- 2 +6 +/- 2 +0 +/- 2 +20 +/- 2
GROUP TO ST, 1-2 SW ON
+14 +/- 2 *4 +14 +/- 2 *4————— —...](http://img.usermanuals.tech/thumb/83/104158/w300_d_1519721431-yamaha-mg12-4-service-manual_d-39.png "Page 40
40 MG12/4
MG16/4
2-6. Gain
The output levels shall be within the range specified in the Table 2-6-1 - 2-6-6.
In the INPUT CH column, alphanumeric figures in front represent MG 12/4 and those in the parentheses represent MG 16/4.
Table 2-6-1 CH INPUT(1-4/8) [dBu ]
INPUTINPUT
Gain ST L OUT ST R OUT GROUP 1 ~ 2AUX1
AUX2 C-R OUT *2 C-R OUT *3
Level PRE OFF PRE ON
Mic -80 Max +1 +/- 2 *1 +1 +/- 2 *1 +4 +/- 2 +6 +/- 2 -4 +/- 2 +6 +/- 2 +0 +/- 2 +20 +/- 2
GROUP TO ST, 1-2 SW ON
+14 +/- 2 *4 +14 +/- 2 *4————— —...")
40 MG12/4 MG16/4 2-6. Gain The output levels shall be within the range specified in the Table 2-6-1 - 2-6-6. In the INPUT CH column, alphanumeric figures in front represent MG 12/4 and those in the parentheses represent MG 16/4. Table 2-6-1 CH INPUT(1-4/8) [dBu ] INPUTINPUT Gain ST L OUT ST R OUT GROUP 1 ~ 2AUX1 AUX2 C-R OUT *2 C-R OUT *3 Level PRE OFF PRE ON Mic -80 Max +1 +/- 2 *1 +1 +/- 2 *1 +4 +/- 2 +6 +/- 2 -4 +/- 2 +6 +/- 2 +0 +/- 2 +20 +/- 2 GROUP TO ST, 1-2 SW ON +14 +/- 2 *4 +14 +/- 2 *4————— —...