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®

11

Amplifiers & Preamplifiers

REMOTE MASTER

ON/OFF CONTROL

5-30 VOLTS DC

+

--

N/C

GROUND

ST

A

TUS

IR IN

COMMON AUDIO

BUS

AC LINE
ON/OFF

COMMON BUS

LOCAL

LEFT

RIGHT

STEREO

MONO

BRIDGED

CI

GROUND

ST

A

TUS

IR IN

LEFT

RIGHT

SPEAKER

+

-- --

+

 

+

  

BRIDGED  

--

1

COMMON BUS

LOCAL

LEFT

RIGHT

STEREO

MONO

BRIDGED

CI

GROUND

ST

A

TUS

IR IN

LEFT

RIGHT

SPEAKER

+

-- --

+

 

+

  

BRIDGED  

--

2

COMMON BUS

LOCAL

LEFT

RIGHT

STEREO

MONO

BRIDGED

CI

GROUND

ST

A

T

AUS

IR IN

LEFT

RIGHT

SPEAKER

+

-- --

+

 

+

  

BRIDGED  

--

3

COMMON BUS

LOCAL

LEFT

RIGHT

STEREO

MONO

BRIDGED

CI

GROUND

ST

A

TUS

IR IN

LEFT

RIGHT

SPEAKER

+

-- --

+

 

+

  

BRIDGED  

--

4

COMMON BUS

LOCAL

LEFT

RIGHT

STEREO

MONO

BRIDGED

CI

GROUND

ST

A

TUS

IR IN

LEFT

RIGHT

SPEAKER

+

-- --

+

 

+

  

BRIDGED  

--

5

FUSE

10 AMP

SLOW BLOW

LEFT

RIGHT

MODE

WARNING

TURN POWER

OFF BEFORE

CHANGING

MODES

WARNING

TURN POWER

OFF BEFORE

CHANGING

MODES

WARNING

TURN POWER

OFF BEFORE

CHANGING

MODES

COMMON BUS

LOCAL

LEFT

STEREO

MONO

BRIDGED

CI

GROUND

ST

A

TUS

IR IN

LEFT

RIGHT

SPEAKER

+

-- --

+

 

+

  

BRIDGED  

--

6

CAUTION

RISK OF ELECTRIC

SHOCK. DO NOT OPEN

MODE

MODE

MODE

MODE

MODE

®

SYLMAR, CA

AC 120V 60 HZ

4 AMP

LEVEL

RESET

RIGHT

--

0

9

8

6

7

4

5

2

3

1

GND

+12V

CB18

Parallel Connecting Block

780-80

"J" Box

IR Receiver

ROOM 2

R

L

ST

G

V

IR

ROOM 1

R

L

Smart
Pad 

3

ST

G

V

IR

IR

CONFIRM

V V

POWER 15VAC

VIDEO

AUDIO

LEFT

INPUT

OUTPUT

AUDIO
RIGHT

1

2

3

4

G IR IN

SYLMAR, CA  • MADE IN U.S.A.

®

RS41AV

REMOTE SWITCHER

RS41AV

Audio/Video

Remote Switcher

RS41AV

Power

Supply

TO ROOM 1

SPEAKERS

TO ROOM 2

SPEAKERS

TO ROOM 3

SPEAKERS

TO ROOM 4

SPEAKERS

TO ROOM 5

SPEAKERS

TO ROOM 6

SPEAKERS

GND

286M

 Dual Blink-IR™

Mouse Emitters (2)

ROOM 3

R

L

Smart
Pad 

3

ST

G

V

IR

780-80

"J" Box

IR Receiver

ROOM 4

R

L

ST

G

V

IR

White

striped

side

6015900

3.5mm to-stripped-ends

mono cable (7)

ROOM 5

R

L

Smart
Pad 

3

ST

G

V

IR

780-80

"J" Box

IR Receiver

ROOM 6

R

L

ST

G

V

IR

To Video Distribution (if used)

RCA type Patch Cords

PA1235

 (rear panel)

782

Type

Power

Supply

12VDC

+12

 VDC

GND

ST

A

TUS

IR IN

EMITTERS

IR

RCVR

789-44

CONNECTING BLOCK

®

IR

+12 VDC

IR Signal

To AC MAINS

(Unswitched)

IR

L

R

L

R

L

R

CONTROLLED SOURCE COMPONENTS

CD Changer

V

L

R

Cassette DecK

AM/FM  Tuner

Satellite Receiver

To AC MAINS

(Unswitched)

To AC MAINS

(Unswitched)

Fig. 8

  Basic PA1235/RS41 System - Requires Room Dedicated Remotes

PA1235

Summary of Contents for PA1235

Page 1: ...arge single multiple filtered power supply delivers high quality at a reasonable price IR Controlled Volume Level Volume can be ramped from zero output to maximum for individual channel pairs or as gr...

Page 2: ...12 Volt common CO Control Output on the Xantech ZPR68 to power one or more PA1235 s ON and OFF automatically with first zone ON and last zone OFF commands Default settings As received from the factor...

Page 3: ...range within 5 dB of MAX V the LED color changes from Green to Red NOTE Red indicates that volume is approaching maximum not an indication of power output level 5 Line Inputs These RCA type jacks are...

Page 4: ...VDC output 9V 70 mA with ON condition 0 Volts output OFF Standby GROUND Ground for IR IN STATUS out CI in CI Control Input Use for control of Standby ON OFF of amplifier pairs if desired instead of b...

Page 5: ...l amplifier pairs item 11 except they apply to all amplifier pairs in common That is IR commands for Volume Mute etc control all amplifier pairs together NOTE Individual control of amplifier pairs is...

Page 6: ...en the CI terminal is driven high with an external control voltage Refer also to items 9 and 11 Fig 3 4 C BAL Command Instantly returns the balance to the Center position equal volume in each channel...

Page 7: ...s in the PA1235 are set to code group number A0 Be sure to set the RC68 to the same number It may be necessary to change the PA1235 amplifier pairs to different code groups if you wish to address each...

Page 8: ...nd screws supplied NOTE You should consider some sort of rear support for rack mounted units when used in mobile applications or when located in seismically active areas CONNECTING THE PA1235 When mak...

Page 9: ...For such applications use the STEREO mode Use the BRIDGED mode for single speaker higher power applications such as in surround sound systems Use speakers with an impedance rating of 8 Ohms minimum T...

Page 10: ...control to the RS41AV and the Source Components and to power the keypads and IR receivers three leads are connected between the CB18 and a 789 44 Connecting Block 6 Since a common IR bus is used to k...

Page 11: ...R CA AC 120V 60 HZ 4 AMP LEVEL RESET RIGHT 0 9 8 6 7 4 5 2 3 1 GND 12V CB18 Parallel Connecting Block 780 80 J Box IR Receiver ROOM 2 R L ST G V IR ROOM 1 R L Smart Pad 3 ST G V IR IR CONFIRM V V POWE...

Page 12: ...ion in each room It also carries a COMMON IR signal to a 789 44 Connecting Block for control of the RS41AV Remote Switcher and the Source Components 2 Note that the ZONE numbers on the 796 20 do not a...

Page 13: ...EKEEP IR The PA1235 has been designed specifically to work well with both Zone and All Zone ON OFF management as rendered by the ZPR68 10 In this example the STATUS GND output 0 to 12 VDC of each zone...

Page 14: ...IN G 12 IN G 12 IN G ZONE 6 ZONE 5 ZONE 4 ZONE IR INPUTS 12 IN G 12 IN G 12 IN G A B A B A B ZONE 4 ZONE 5 ZONE 6 12 OUT G SYLMAR CA MADE IN U S A ZONE EMITTERS ZONE EMITTERS 796 20 SIX ZONE CONNECTI...

Page 15: ...does not turn OFF when REMOTE input voltage goes to 0 Volts Be sure that the POWER switch item 3 Fig 2 is set to the MANUAL OFF Out position 5 PA1235 becomes very warm shuts OFF but does not come bac...

Page 16: ...z to 55 kHz Input Sensitivity Rated Power stereo mode Input Gain IR Controlled Setting Max 0 5 V Default 1 0 V Min Off Input Impedance LOCAL Inputs 22 kOhms COMMON AUDIO BUS Inputs 70 kOhms Power Sour...

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