Yamaha MR1642 Service Manual - Page 7

MR842/MR1242/MR1642! MBLOCK&LEVEL DIAGRAM(? & 71-3A) MR842/MR1242/MR1642 LO-Z CHI INPUT MIC/LINE(-60/0) HI-Z TAPE IN(-10) 448V(PHANTOM) CH INSERT I/01-6) PAD HA TAPE GAIN 3-STAGE E0 o 0 1- 1 w w = CZ 1- 1 = PRE BA TAPE CLIP BA> CH 1 -4 *2 (511 •-• N MV 0CI- O. 0. 0 0 0 CC CC Oe 0 CO MI 14 X X Te = se se se PAN --7:To' )a( • ' : 3 0: 2 0 Iff 4 % AUX I *3 I I AUX 2 ,er AUX 3 °0r':•C°UE CH INPUT (CH2-8. 12.16) SAME AS CHI Pe AUX 3 SU IN 0,0 'Ag4 CUE j, 0 11 GROUP I INSERT I/0(-6) LA GROUP I / PAN METER (44) GROUP OUT 1 AUX SEND 1 GROUP OUT 1 (-10) GROUP OUT 2 AUX SEND 2 GROUP OUT(2-4) SAME AS GROUP 00T 1 CH AUX 3 SELECT AUX SEND 1 IN A5 0 CUE _J GROUP OUT 3 AUX SEND 3 ---A0U-X--SvEND 1(44) GROUP OUT 4 CUE AUX SEND(2-3) SAME AS AUX SEND I AUX SEND 3 ONLY • OR • OR OR • OR GROUP 1 SUB IN(+4) v171 o STEREO L SUB IN(+4)11v-17-1 o GROUP SUB IN (GROUP 2-4) SAME AS GROUP 1 SUB IN STEREO R SUB IN SAME AS STEREO L SUB II') 0; SU INV SU INV SU STEREO L STEREO R STEREO OUT (+4) R • STEREO L OR 0 97 AUX RETURN 1(44) Rrr . :e Ar k AUX RTN I AUX RETURN 2 SAME AS AUX RETURN 1 - Nb i 71:41,1,ST tr 0 SU 04,0CUE 0' AUX 3 0 ST 0' TALK BACK(-50) HA BA TB TB 11. el CL 00000 0 00 W CC C. eL TeX% = se se se 0000 ...IC 0 0 ILI 41 ow W W 1- 114 0 10 -1 41 w ee = =0 CC 0 0 0 0 0 000 = OW 11 1- •-• 100=se 41 CC CC 14 L11 4.1 T. 1ft0 0 se 0 MONITOR SELECT MONITOR • 0 A0PHONE L MONITOR OUT(44) R STEREO R DR +20 +10 a PAD -20/CAIN MIN(0) -10 TAPE(-10) 20 PAD 0/GAIN MIN(-20) -30 -41 -50 -60 PAD 0/GAIN MAX(-60) AUX RETURN(+4) CH INSERT IN/OUT(-6) % TALK BACK(-50)j r-- L GROUP SUB 1N(4,11 CUE GROUP. STEREO AUX STEREO SUB IN(+4) AUX SENO 3 to MONITOR -\ +40 GROUP.STEREO.AU)( SENO.MONITOR(+4) +10 STEREO / % -LI ▪0 C o O z GROUP.STEREO(-10) 10 PHONES(101W) -20 -30 -40 -50 -60 *1 AUX 1.2 PRE E0/POST EO JUMPER *2 AUX 1 POST FADER/PRE FADER JUMPER *3 AUX 2 PRE FADER/POST FADER JUMPER *4 GROUP CUE PFL/AFL JUMPER *5 AUX SEND CUE PFL/AFL JUMPER • 000.0.775V XX CLIP LED TURN ON LEVEL.-3(3 BEFORE CLIP(+17C1B) *** LED PEAK METER OVU.+4410 **** ANALOG METER OVU.+46B MI* PEAK LED TURN ON LEVEL.-10dB BEFORE CLIP1+14dB) ****03 CUE VOLUME NOMINAL POSITION-MAXIMUM OTHER FADER I VOLUME NOMINAL POSITION.-10(18 POINT MR842/MR1242/MR1642 8 9