1. DL manuals
  2. Mackie
  3. Other
  4. 1642-VLZ PRO
  5. Service Manual

Mackie 1642-VLZ PRO Service Manual - Contents

Manual is about: 16-channel mic/line mixer

Summary of 1642-VLZ PRO

  • Page 1

    1642-vlz pro compact mixer service manual 1999, 2000 mackie designs, inc. 820-220-00 page 3 is interactive.

  • Page 2

    2 service on this equipment is to be performed by experienced repair technicians only.

  • Page 3: Contents

    3 contents introduction ..................................................................... 3 block diagram .................................................................. 4 specifications ................................................................... 6 safety test ...........................

  • Page 4

    4 block diagram main l sub 3 main r sub 2 sub 1 sub 4 a ux 1 a ux 2 a ux 3 a ux 4 75hz hpf mid hi 80 100 8k 12k lo l r 1 2 3 4 sip l sip r pfl phantom power (global switch) trim mic in line in direct out (ch's 1 8 only) insert low cut –20 (flicker) solo (glow) ol (flicker) mute (glow) eq gain freq f...

  • Page 5

    5 sip l sip r pfl logic cr/phn l cr/phn r solo relay assign to mix main mix main insert main mix fader main mix mono out 1 tape out main mix right out meters (0vu = 0dbu) tape in l r tape level c-r/ phones source main tape 1 2 rude solo led c-r/phones mix c-r level control room out l r phones out a ...

  • Page 6

    6 specifications main mix noise (20hz–20khz bandwidth, 1 / 4 " main out, channel trims @ unity gain, channel eqs flat, all channels assigned to main mix, odd channels panned left, even channels panned right) main mix fader unity, channel faders down: –86.5dbu (90db signal to noise ratio, ref +4dbu) ...

  • Page 7

    7 you must perform the following leakage test before returning the unit to your customer. Take every safety precaution to protect yourself while doing this test. 1. Make a small loading rc circuit as shown in the diagram below, and connect the ac volt meter between the ac power source ground and any...

  • Page 8

    8 quick parts 1 mute line in insert xdr mic pr e mic 1 bal un- bal rec 1 trim 1 low cut 75 hz 18db/oct +15db -45db u u o o +15 o o u +15 u o o +15 aux 1 pre u +15 - 15 freq 800 2k 200 8k 100 mid pan l r u +15 -15 80hz low 0 60 2 3 u +15 -15 eq u o o +15 4 12k hi db 30 20 10 o o 40 50 5 5 u 60 10 sol...

  • Page 9

    9 13 left left right left right mono mono 14 right bal / unbal bal / unbal 15 left mono 16 right tape in tape out bal un- bal line in 11 line in line in line in 12 xdr mic pr e mic 11-12 l r 2 3 trim 15 16 u o o +15 u o u +15 u o o +15 aux pre u +20 -20 1 trim 13 14 o o u +15 aux u +20 -20 2 3 4 1 4...

  • Page 10

    10 phones a b lamp 12v 0.5a u o o +20 o o +20 u o o +15 o o +15 stereo aux return effects to monitors to aux send 2 to aux send 1 1 2 1 2 3 4 c-r / phns only returns solo assign options u o o +20 u o o +20 u o o +10 u o o +10 aux send 1 2 pwr phan solo solo 1 2 subs 1 – 2 subs 3 – 4 main mix cr sour...

  • Page 11

    11 l r mono (bal/unbal) on on power phantom 120 vac 50/60 hz 20w 1a/250v slo-blo to reduce the risk of fire replace with same type fuse and rating caution: aux return (bal/unbal) direct outs (bal/unbal) sub outs (bal/unbal) c-r outs (bal/unbal) main insert 1 1 8 4 3 2 1 7 6 5 4 3 2 1 5 2 6 3 7 4 2 3...

  • Page 12

    A-1 part# description pages 090-127-00 master parts a-2 055-247-00 main board a-4 055-248-00 jack board a-9 055-249-00 power supply board a-10 055-257-00 mic input board a-11 1642-vlz pro parts list parts numbering guide 040- cables 055- finished pcb assy 100- pots and resistors 200- capacitors 300-...

  • Page 13

    A-2 master parts list 090-127-xx part # description rev qty notes components noted with this symbol shall be replaced only by the component specified. This is required to maintain product safety. 040-078-00 dis 18g 1007 7c .156 16.5 b 1 040-365-00 rib 28ga 16c 17in 1642 a 2 040-366-00 rib 28ga 26c 3...

  • Page 14

    A-3 part # description rev qty notes components noted with this symbol shall be replaced only by the component specified. This is required to maintain product safety. 040-090-00 dis 18g 1007 grn 10 lugx2 a 1 040-151-00 dis 18ga 1015 grn 8in lg a 1 040-341-00 dis 18g 1015 grn 2.5 lgtm a 1 055-249-00-...

  • Page 15: 247B

    A-4 part no. Description value reference designators 055-247-00 rev b main pcb assembly 247b 130-002-02 pot rty 50kb 9mm mno h tn 50kb r35 r43 r49 r56 r137 r145 r153 r160 r261 r269 r277 r284 r375 r383 r390 r397 130-003-02 potrty 50kg 9mm mn tn pan 50kg r3 r12 r17-18 r27-28 r34 r42 r104 r113 r120-121...

  • Page 16: 247B

    A-5 part no. Description value reference designators 247b 140-076-00 res tf sm .1w 5% 1k3 ohm 1k3 5% r19 r29 r122 r132 r244 r254 r360 r456 r466 r468 r988-989 r1080 r1146-1147 r1152-1153 140-077-00 res tf sm .1w 5% 1k5 ohm 1k5 5% r96 r99 r208 r211 r334 r431 r440 r443 r589 r598 r770 r779 r782 r791 r98...

  • Page 17: 247B

    A-6 140-101-00 res tf sm .1w 5% 15k ohm 15k 5% r932 r939 140-104-00 res tf sm .1w 5% 20k ohm 20k 5% r66 r73 r85 r88 r90 r94 r166 r178 r185 r197 r202 r206 r213 r218 r290 r302 r309 r321-322 r326 r328 r332 r405 r417 r424 r434 r438 r445 r550 r557 r566 r574 r581 r583 r587 r592 r735 r743 r754 r762 r768 r7...

  • Page 18: 247B

    A-7 200-005-02 ply .0068uf 10% 100v tr 0.0068 c17-18 c52-53 c60-61 c105-106 c113-114 c152-153 c160-161 c211-212 200-011-02 ply .0022uf 10% 100v tr 0.0022 c23 c65 c68 c118 c121 c165 c168 c230 200-015-02 ply .0047uf 10% 100v pei 0.0047 10% c20 c55 c63 c108 c116 c155 c163 c214 200-052-02 ply .0012uf 10...

  • Page 19: 247B

    A-8 220-008-02 lyt 1uf 20% 50v rad tr 1uf 10% c233-234 c303-304 c311-312 c398-399 220-013-02 lyt .22uf 20% 50v rad tr .22uf 10% c1-2 c6-7 c10 c13 c37-38 c42-43 c46 c49 c90-91 c95-96 c98 c101 c137-138 c142-143 c145 c148 c195-196 c199 c258-259 c262 220-014-00 lyt 2.2uf 20% 50v rad 2.2uf 10% c407 220-0...

  • Page 20: 248A

    A-9 248a 130-003-02 potrty 50kg 9mm mn tn pan 50kg r95 140-051-00 res tf sm .1w 5% 120 ohm 120 5% r2 r4 r6 r8 r10 r12 r14 r18 r20-21 r24 r27 r30 r33 r36 r39 r41 r44 r46 r49 r51 r54 140-080-00 res tf sm .1w 5% 2k0 ohm 2k 5% r96 140-097-00 res tf sm .1w 5% 10k ohm 10k 5% r76 r97 140-123-00 res tf sm ....

  • Page 21: 249A

    A-10 249a 040-341-00 dis 18awg 1015 grn 2.5in lgtm p2 100-008-00 resistor cf 20 5% r4-5 100-028-00 resistor cf 130 5% r9-10 100-059-00 resistor cf 2k7 5% r7-8 100-061-00 resistor cf 3k3 5% r11-12 100-080-00 resistor cf 20k 5% r1 100-104-00 resistor cf 200k 5% r2 r6 110-059-00 resistor cf 2k7 5% r15-...

  • Page 22: 257A

    A-11 040-266-00 dis 14ga blkwht 4.5” fg/tm p1 115-081-00 res .25w 1% 6r81 ohm 6.81 1% r12-13 r40-41 r64-65 r91-92 r116-117 r144-145 r168-169 r196-197 r220-221 r246-247 115-373-00 res mf .25w 1% 6k81 ohm 6k81 1% r9 r14 r38 r42 r61 r66 r89 r95 r113 r118 r142 r146 r165 r170 r194 r198 r217 r222 r244 r24...

  • Page 23: 257A

    A-12 212-018-00 cer 10pf 5% 50v npo sm 10pf 5% c17-18 c27-28 c61-62 c71-72 c105-106 c115-116 c148-149 c159-160 c193-194 c202-203 212-019-00 cer 150pf 5% 50v sm 150pf 5% c14-15 c29-30 c58-59 c73-74 c102-103 c117-118 c145-146 c161-162 c190-191 c204-205 212-031-00 cer 68pf 5% 50v npo sm 68pf 5% c218-22...