Rolls HM57 User manual

HM57
Headphone Monitor Interface
OWNERS MANUAL
ROLLS CORPORATION
SALT LAKE CITY, UTAH
3/00
LIMITED WARRANTY
This product is warranted to the original consumer purchaser to be free from
defects in materials and workmanship under normal installation, use and service for a
period of one (1) year from the date of purchase as shown on the purchaser’s receipt.
The obligation of Rolls Corporation under this warranty shall be limited to repair
or replacement (at our option), during the warranty period of any part which proves
defective in material or workmanship under normal installation, use and service, provided
the product is returned to Rolls Corporation, TRANSPORTATION CHARGES PRE-
PAID. Products returned to us or to an authorized Service Center must be accompanied by
a copy of the purchase receipt. In the absence of such purchase receipt, the warranty
period shall be one (1) year from the date of manufacture.
This warranty shall be invalid if the product is damaged as a result of deface-
ment, misuse, abuse, neglect, accident, destruction or alteration of the serial number,
improper electrical voltages or currents, repair, alteration or maintenance by any person or
party other than our own service facility or an authorized Service Center, or any use
violative of instructions furnished by us.
This one-year warranty is in lieu of all expressed warranties, obligations or
liabilities. ANY IMPLIED WARRANTIES, OBLIGATIONS, OR LIABILITIES,
INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MER-
CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, SHALL BE
LIMITED IN DURATION TO THE ONE YEAR DURATION OF THIS WRITTEN
LIMITED WARRANTY. Some states do not allow limitations on how long an implied
warranty lasts, so the above limitation may not apply to you.
IN NO EVENT SHALL WE BE LIABLE FOR ANY SPECIAL, INCIDENTAL
OR CONSEQUENTIAL DAMAGES FOR BREACH OF THIS OR ANY OTHER
WARRANTY, EXPRESSED OR IMPLIED, WHATSOEVER. Some states do not allow
the exclusion or limitation of special, incidental or consequential damages so the above
limitation or exclusion may not apply to you. This warranty gives you specific legal
rights, and you may also have other rights which vary from state to state.
1234RL/MON
MAIN
INPUTS
R/MON L/ST
AUX
INPUTS
MONO
INPUTS
EXPANSION PWR
12 - 17
VAC
+
-
HM57
HEADPHONE
MONITOR
INTERFACE
NOTE: This unit connects to a Rolls HM59 or HM58
Headphone Monitor Remote for proper operation.

INTRODUCTION
Thank you for your purchase of the Rolls HM57 Headphone Monitor Interface.
This unit connects four mono 1/4”input signals and two main stereo mix signals to
either the HM58 or HM59 Headphone Monitor Remote.All signals are controlled
from the Remote units.
INSPECTION
1.Unpack and inspect the HM57 box and package.
If obvious physical damage is noticed, contact the carrier immediately to make a
damage claim.We suggest saving the shipping carton and packing materials for
safely transporting the unit in the future.
2.Please complete the Warranty Registration Card and return it to the factory.
SPECIFICATIONS
Connectors: 8:1/4” jacks, DB25 connector, Pwr jack
Power Requirement : 12Volts AC
Dimensions: 5.625”W x 3.275”H x 1.325”D
Weight: 1 lb.
DESCRIPTION
BACK PANEL
MONO INPUTS:4: 1/4”TRS balanced inputs for connection to a mixer auxiliary
outputs or equivalent.
MAIN INPUTS:2: 1/4”TRS balanced inputs for connection to a mixer right and left
sub outputs or equivalent.The Left input is used for a mono source and will feed
both sides.
AUX INPUTS:2 inputs to be used as stereo effects returns, or as a second pair of
stereo inputs.The Right input is used for a mono source and will feed both sides.
The Left input is aTRS jack that will accept a stereo input on the Tip and Ring.
FRONT PANEL
EXPANSION: 24 pin female OUTPUT jack.
PWR:LED indicating power is connected to the HM57.
12-17VAC:Power jack - connect to the Rolls PS12.
CONNECTION
Connect the HM57 power supply (the PS12) to an AC outlet and the HM57.
Connect the audio cables from the mixer to the unit as shown in the example
below. Connect the DB25 cable from the HM57 Expansion jack to the input
Expansion jack on the HM58 or HM59, whichever you are connecting your
headphone to.Refer to the HM58 or HM59 Owners Manual for their proper
operation.
AUXILIARY SENDS MAIN
OUTPUTS
SUB
OUTPUTS
MAIN MIXER
1234RL/MON
MAIN
INPUTS
R/MON L/ST
AUX
INPUTS
MONO
INPUTS
EXPANSION PWR
12 - 17
VAC
+
-
HM57
HEADPHONE
MONITOR
INTERFACE
SCHEMATIC
1234RL/MON
MAIN
INPUTS
R/MON L/ST
AUX
INPUTS
MONO
INPUTS
EXPANSION PWR
12 - 17
VAC
+
-
HM57
HEADPHONE
MONITOR
INTERFACE
1
Rolls Corporation
5143 South Main Street
Salt Lake City, UT 84107
HM57.SCH
26-Oct-1999
Document Number:
Date: Sheet of
FXa
P O W E R
L E F T M A I N /
R I G H T M A I N
VDD
VCC
VCC VDD
R 1 0 6
1 0 K
6
5
7
8
U 1 B
4 5 6 0
2
3
1
4
U 1 A
4 5 6 0
D 5
L D S G
C 1 1
2 2 0 0 U F
C 1 2
2 2 0 0 U F
1
14
2
15
3
16
4
17
5
18
6
19
7
20
8
21
9
22
10
23
11
24
12
25
13
J 1 0
D B 2 5
R 3
2 0 . 0 K 1
R 4
2 0 . 0 K 1
R 9
2 0 . 0 K 1
R 8
2 0 . 0 K 1
R 1
1 0 . 0 K 1
R 2 1 0 . 0 K 1
R 7
1 0 . 0 K 1
R 6
1 0 . 0 K 1
VCC
VDD
6
5
7
8
U 2 B
4 5 6 0
2
3
1
4
U 2 A
4 5 6 0
R 1 3
2 0 . 0 K 1
R 1 4
2 0 . 0 K 1
R 1 9
2 0 . 0 K 1
R 1 8
2 0 . 0 K 1
R 1 1
1 0 . 0 K 1
R 1 2 1 0 . 0 K 1
R 1 7
1 0 . 0 K 1
R 1 6
1 0 . 0 K 1
VCC
VDD
6
5
7
8
U 3 B
4 5 6 0
2
3
1
4
U 3 A
4 5 6 0
R 2 3
2 0 . 0 K 1
R 2 4
2 0 . 0 K 1
R 2 9
2 0 . 0 K 1
R 3 2
2 0 . 0 K 1
R 2 1
1 0 . 0 K 1
R 2 2
1 0 . 0 K 1
R 3 1
1 0 . 0 K 1
R 3 0
1 0 . 0 K 1
VCC
VDD
6
5
7
8
U 4 B
4 5 6 0
2
3
1
4
U 4 A
4 5 6 0
A U X 1
A U X 2
A U X 3
A U X 4
J 7
J 6
M O N O
M O N O
J 1
J 3
J 2
J 4
VCC
VDD
I
1
G
2
O3
U 1 7
7 8 1 2
I
2
G1
O3
U 1 8
7 9 1 2
C 1 7
1 U
C 1 4
1 0 U
J 9
J 8
R 4 0 2 2 K
R 3 6 2 2 K
R 3 3
2 2 K
R 3 9
2 2 K
R 3 8
2 2 K
R 3 5
2 2 K
R 3 4
1 K
R 3 7
1 K
C 3 8 2 7 P F
C 3 9 2 7 P F
C 4 0 2 7 P F
C 4 1
2 7 P F
C 4 2 2 7 P F
C 4 3 2 7 P F
C 4 4 2 7 P F
C 4 7 2 7 P F
C
D
E
F
G
H
D 1
1 N 4 0 0 X
D 4
1 N 4 0 0 X
2
3
1
J 5
J A P D C
P H O N E 1 / 4
P H O N E 1 / 4
P H O N E 1 / 4
P H O N E 1 / 4
P C 1 / 4
P C 1 / 4
T I T L E : H E A D P H O N E M O N I T O R I N T E R F A C E H M 5 7
R E V
A
S I Z E
C 6 2
5 0 3
R R E T U R N /
P H O N E 1 / 4
L R E T U R N / T R S
P H O N E 1 / 4
1
To HM58 or HM59