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VCM-88
VCM-88E
Eight Channel Matrixing Level Controllers
RD-8 Desktop Remote
RW-8 Wall Mount Remote
Operating Manual
0 +6 0 +6 0 +6 0 +6 0 +6 0 +6
-6 -6 -6 -6 -6 -6
+12 +12 +12 +12 +12 +12
-12 -12 -12 -12 -12 -12
+18 +18 +18 +18 +18 +18
-18 -18 -18 -18 -18 -18
-23 +23 -23 +23 -23 +23 -23 +23 -23 +23 -23 +23
dBu dBu dBu dBu dBu dBu
∞
Sig Thr Sig Thr Sig Thr Sig Thr Sig Thr Sig Thr Sig Thr
On
∞
Gain (dB)
ASHLY AUDIO INC.
847 Holt Road Webster, NY 14580-9103 Phone: (585) 872-0010
Toll-Free: (
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Operating Manual - VCM-88, VCM-88E, RD-8, RW-8 Level Controllers Table Of Contents 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2 Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 AC Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Operating Manual - VCM-88, VCM-88E, RD-8, RW-8 Level Controllers 10 Troubleshooting Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 10.1 No Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 10.2 Very Little Output Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Operating Manual - VCM-88, VCM-88E, RD-8, RW-8 Level Controllers 1. Introduction 2. Unpacking One of the many useful circuits to be developed As a part of our system of quality control, every for audio use is the VCA, or voltage controlled amplifier. Ashly product is carefully inspected before leaving the fac- A VCA circuit allows for accurate, low distortion level con- tory to ensure flawless appearance. After unpacking, please trol without signal degradations encountered when using inspect
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Operating Manual - VCM-88, VCM-88E, RD-8, RW-8 Level Controllers ∞ Sig Thr Sig Thr Sig Thr Sig Thr Sig Thr Sig Thr Sig Thr 5. VCM-88, VCM-88E Features stopped and continue to operate as if there were no changes happening. Reconnecting the remote data signal with the 5.1 Signal Present LED VCM-88(E) still operating will instantly change the chan- Each channel has a green LED to indicate input nel level settings to wherever the controller is currently set. signal present (app. -20dBu). Since
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Operating Manual - VCM-88, VCM-88E, RD-8, RW-8 Level Controllers RS-232 10 12 CAUTI O N 10K CW RISK OF ELECTRIC SHOCK DO NOT OPEN Pin 1-9 CAUTION Risk of Electric Shock. Do VCM-88E Not Open Made In USA 5.7 Master Output and Channel Pass Through nector on the VCM-88 and the Remote RD/RW-8 Euroblock connector on the VCM-88E. See section 9.1 for AMX and The VCM-88(E) can be used as an eight-in/one- Crestron interface details. o
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Operating Manual - VCM-88, VCM-88E, RD-8, RW-8 Level Controllers 5.13 Data Protocol Selector (VCM-88E only) 5.14 MIDI (VCM-88 only) These two DIP switches allow selection of four data MIDI In and MIDI Thru jacks allow complete protocols. The Standard protocol is selected for use with implementation of the VCM-88 in a MIDI network. An in- current Ashly, AMX, or Crestron controllers. The Protea ternal jumper selection is required to operate under MIDI Software protocol is selected for use with
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Operating Manual - VCM-88, VCM-88E, RD-8, RW-8 Level Controllers 7. Audio Connections and Cables 7.1 Balanced and Unbalanced Signals Balanced signal connections are preferred in pro audio applications because of their improved immunity to induced hum and noise. A properly shielded and wired balanced input stage on any product will by design reject most unwanted noise picked up by the cable as well as mini- mize ground loop problems. Therefore it is always advan- tageous to use balanced conne
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Operating Manual - VCM-88, VCM-88E, RD-8, RW-8 Level Controllers 8. Input and Output Configuration Options: tions. The jumper must be placed in the “1” position (see drawing at top of page) for single jack in/out operation. 8.1 Single Connector Insert With the jumper set to “1”, the input is on the tip and the output is on the ring of the In jack. The Out jack is not To use a mixing console’s single jack insert capa- used. This convention is compatible with most mixing con- bilities with th
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Operating Manual - VCM-88, VCM-88E, RD-8, RW-8 Level Controllers 9. Data Connections and Configurations Product Legacy (old) Prefix Standard (new) Prefix RD-8 708- **** 794-**** 9.1 Standard Remote Data Control RW-8 709-**** 797-**** To connect the RD-8 or RW-8 remote controller, VCM-88 the VCM-88 uses a rear panel female XLR jack, while the To set the data protocol on a VCM-
VCM-88E uses a three pin euroblock connector. The con- 88 for Legacy controllers, set the inter
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Operating Manual - VCM-88, VCM-88E, RD-8, RW-8 Level Controllers 9.5 MIDI Implementation Both the VCM-88 and the VCM-88E can be fully imple- mented in a MIDI system as a slave unit, that is, able to receive data without being able to gener- ate new data. On the VCM-88, the MIDI Thru jack is a buffered re- flection of the MIDI input, and is Fig. 9.3 used to connect to other MIDI de- vices in the network. On the VCM- 88E, use the Slave Data In and Out to connect to a MIDI controller. The quality
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Operating Manual - VCM-88, VCM-88E, RD-8, RW-8 Level Controllers below). The Slave Data Out from the first unit is connected be fully clockwise at 0dB. Check the RD-8 remote con- to the Slave Data In on the next unit, and so on, with the troller -the fader levels should normally be operated around Slave Data Out from the last unit returning to the Slave 0dB. Data In on the first. A serial RS-232 cable is then connected to the first unit, and the RS-232 switch is set to Multiple 10.3 Distorted
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Operating Manual - VCM-88, VCM-88E, RD-8, RW-8 Level Controllers 12.6 Limiter 11. Warranty Information Threshold Range: -23dBu to +22dBu Compression Ratio: 10:1 We thank you for expression of confidence in Ashly products. The unit you have just purchased is protected by 12.7 RD-8 Data Input Input Type: XLR (VCM-88), Euroblock (VCM-88E) a limited five year warranty. To establish the warranty, you pin 2=data, pin 3=+V, pin 1=ground must first complete and mail the warranty card attached to Data F
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Operating Manual - VCM-88, VCM-88E, RD-8, RW-8 Level Controllers 13. Dimensional Drawings
!
"!
#$ % RD-8 Remote Level ! Control "$ 1.60 7.94 (202) 0.79
(20) 14. Common Applications • Eight In, Eight Out Individual Channel Remote Control Use for individual mixer channel or subgroup remote control,
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Operating Manual - VCM-88, VCM-88E, RD-8, RW-8 Level Controllers 15 Schematic Diagram: VCM-88 DCN DATE SCH REVPCB REV DESCRIPTION CHANGE VCA TO 2180LC - R69-70 FROM 220 TO 2K - R_10/_11/_23 FROM 2K TO 1K 6358-27-03 E 5310-1 R_19 FROM 68 TO 33 - R_20 FROM 2.4K TO 5.6K - REMOVE R_21 R_22 VR1 REPLACE VR2 WITH 0 OHM JUMPER - ADD H30N01500 HEAT SINK TO U11 DRAWING NO. 10S5310E REV. E ASHLY AUDIO INC. 847 HOLT ROAD ASHLY DRAWN: JRD DATE: 8-27-2003 WEBSTER, NY 14580-9103 SCHEMATIC DIAGRAM APPROVED: DA
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Operating Manual - VCM-88, VCM-88E, RD-8, RW-8 Level Controllers 16 Schematic Diagram: VCM-88E, Page 1 of 4 1 2 3 4 5 6 7 8 (To Daughter Card) J6A /Reset Circuit (5vRail < 4.1v) E DC8 DC7 E 8 7 +5 DCmaster 9 6 DC6 ControlCCW 10 5 DC5 11 4 DC4 X1 8.00MHZ ControlCW 12 3 DC3 HS1 R1 R3 13 2 DC2 None R38 27K 10K +18 MasterOut 14 1 DC1 R51 1 3 C17 10M R9 In Out none C18 +18 -18 C12 C13 U4 none C3 18P 18P 10K 7815 R10 R32 C1 R45 C2 D1 .1U J1 J2 C14 R52 1M .1U none 18K none 1N754A 47U
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Operating Manual - VCM-88, VCM-88E, RD-8, RW-8 Level Controllers 17 1 2 3 4 5 6 7 8 MUX1 12 U121D SIG2 R237 MUX2 10 U121C MUX1 MUX2 -3.75V=+20dB -3.75V=+20dB 14 20K 8 TLE2064 TLE2064 +15.1V=-75dB R239 +15.1V=-75dB R101 13 R235 SigLED2 R201 9 1M R104 1M R204 1K C216 .1U 10M Q204 E C101 R103 C201 R203 E 1K D205 1K R107 2N4125 R207 10U 10U 5 D206 15.8K 15.8K R105 R240 R205 R102 DC1 G [T1] R202 DC2 1K 7 1K NJM2903 DC1 1N4148 DC2 9.76K 1M 9.76K +18 +18 6 SIG PRES 2 +18 1K 100K 1K U
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Operating Manual - VCM-88, VCM-88E, RD-8, RW-8 Level Controllers 18 Schematic Diagram: VCM-88E, Page 3 of 4 1 2 3 4 5 6 7 8 MUX5 12 U561D SIG6 R637 MUX6 10 U561C MUX5 MUX6 -3.75V=+20dB -3.75V=+20dB 14 20K 8 TLE2064 +15.1V=-75dB R639 TLE2064 +15.1V=-75dB R501 R635 R601 13 SigLED6 9 R504 R604 1M 1K C616 .1U 1M 10M Q604 R503 R603 E C501 C601 E 1K D605 1K 2N4125 10U R507 10U R607 5 D606 15.8K 15.8K R505 R640 R605 R502 DC5 7 G [T1] R602 DC6 1K 1K DC5 NJM2903 DC6 1N4148 9.76K +18 +1
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- + Operating Manual - VCM-88, VCM-88E, RD-8, RW-8 Level Controllers 19 1 2 3 4 5 D D REMOTE RS-232 J8 DC CONTROL A J10 EUROBLOCK 3 J11 DSUB 9F EUROBLOCK 6 X X1 C25 Data .001U L6 L5 BEAD C28 .001U BEAD C27 C26 .001U C29 .001U .001U H7 C30 .001U BRACKET 4-40 L7 R82 R31 BEAD C31 .001U 2.4K 10K C32 .001U C C ConfigA C33 .001U 3 SW4A 2 DATAin 1 J6B DIP14 [SOCKET] TXD SW DPDT C34 .001U ConfigB R83 C35 .001U CONFIG SWITCH 100 R84 H8 C36 .001U BRACKET 4-40 DIP14 [SOCKET] J13B 6 SW4B 1
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Operating Manual - VCM-88, VCM-88E, RD-8, RW-8 Level Controllers ASHLY AUDIO INC. 847 Holt Road Webster, NY 14580-9103 Phone: (585) 872-0010 Fax: (585) 872-0739 Toll Free (800) 828-6308 www.ashly.com © 2004 by Ashly Audio Corporation. All rights reserved worldwide. VCM R-3 Printed in USA 0204 20 R43 R50 10K 3 6.7mA 10K CH.1 1 IN OUT VR1 ON B50K 2 SW1 GRN D13 R51 R44 10K 10K +5 U3 CH.2 21mA TYP +5 26 5 IN OUT VR2 VDD E 10K ON B50K 34 GRN SW2 PA0/IC3 47U .1U 33 D14 PA1/IC2 R41 32 R52 C18
