JBL Synthesis SDP-25 Manual Download Page 7

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JBL SYNTHESIS SDP-25

Input and Output Connections

CONNECTIONS

SAFETY NOTE: When making connections between the SDP-25 and any other device be 

certain that both the SDP-25 and other device are turned off and/or are disconnected 

from AC power. To assure that there will be no unwanted signal transients that can 

damage equipment or speakers, it is always best to unplug all equipment before 

making any connections. 

INPUT CONNECTIONS 

The SDP-25 has 12 programmable sources that may be configured to suit your preferences. 

When connecting devices you should make note of the default settings described here, and if 

any of the connections differ you should adjust the Input Setup settings accordingly. See Page 9 

for more information on Input Setup.

The SDP-25 allows a Secondary Audio source to be selected without changing the video or 

audio input. This may be useful in situations where, for example, you are viewing the television 

broadcast of a sporting event but wish to listen to the audio from radio commentary via an 

external tuner or streaming content device. In that case, connect the digital or analog audio 

output of the second device according to the chart below. 

The chart below shows the default settings that match a source device to the recommended 

jack. While you may connect any source to any compatible input, using this connection plan will 

mean that the Input selection buttons on the remote and front panel will map to the right device. 

For example, connect your Blu-ray player to HDMI 1, your cable or satellite set top to HDMI 2, 

etc. Analog video connections should be made as shown. 

SOURCE 

NAME

PRIMARY

SECONDARY

Video Input

Audio Input

Digital  

Audio Input

Analog 

Audio Input

Blu-ray

HDMI 1

HDMI 1

Coax 1

Audio 1

SAT/CBL

HDMI 2

HDMI 2

Coax 2

Audio 2

GAME

HDMI 3

HDMI 3

Coax 3

Audio 3

MEDIA

HDMI 4

HDMI 4

Coax 4

Audio 4

DVR

HDMI 5

HDMI 5

Coax 5

Audio 5

Video 1

Component 1

Optical 1

None

7.1 Direct

Video 2

Composite 1

Optical 2

None

None

Video 3

Composite 2

Optical 3

None

None

TV

None

ARC (HDMI 2 

Output)

Optical 4

None

USB

Component 2

USB

None

None

Front HDMI

Front HDMI

Front HDMI

Optical 5

None

Front Audio

Front HDMI

Front Audio

None

None

•  The “Audio Return Channel” (ARC) feature of HDMI allows digital audio to be passed back  

   from a TV set to the SDP-25 without the need for additional connections. This is particularly  

   useful to have the audio from streaming services accessed in a “Smart TV” sent to the SDP  

   for playback via your home theater system. To use this feature make certain that an HDMI  

   cable from the TV's HDMI/ARC jack is connected to the rear panel HDMI 1/ARC jack. 

•  To listen to audio from a music server or computer connect the source to the USB Audio   

   Input jack on the rear panel.

•  When using a source such as a Blu-ray player that has 7.1 direct analog outputs, connect  

   them to the “7.1 Input” jacks on the rear panel and make certain that you adjust the  

   Input Setup Menu settings so that the correct video input is paired with the direct audio  

   connections.

If you anticipate using separate sources for the Main Room and the Zone 2 Audio outputs you 

must make analog connections from a source even if there is also an HDMI or Digital connection. 

Keep in mind that analog audio sources will only be output through the analog outputs just as 

digital audio sources will only be output through the digital audio outputs. See Page 13 for more 

information.

OUTPUT CONNECTIONS 

NOTE: 

When there are two connections for any video or output, the connection labeled “1” is 

for the Main Room, while connections labeled “2” are typically for the second zone although they 

may also be used to feed a recorder.

BASIC CONNECTIONS

Since the SDP-25 has no built in amplifiers you will need to connect the audio Preamp Output 

jacks to the inputs of your audio power amplifiers, which, in turn, will feed your speakers. We 

recommend the following connection setup:

Front Left (LF) to Channel 1 
Center (C) to Channel 3 
Front Right (RF) to Channel 2 
Left Surround (LS) to Channel 4 
Right Surround (RS) to Channel 5 
Left Back Surround (LB) to Channel 6 
Right Back Surround (RB) to Channel 7

For amplifiers that have a trigger input, use the 3.5mm Trigger Cable supplied with the amplifier 

to make a connection between Trigger Output A and the Trigger Input on the amplifier. 

Depending on your system configuration and the design of your audio power amplifier an audio 

signal may also be used to turn the amplifier on. Consult your amplifier’s Owner’s Manual for 

more information.

Connect the HDMI1/ARC output to an input on your video display. If you are using the ARC 

feature, make certain that the input on the TV is labeled “ARC”. 

Connect the supplied power cord to the AC Power Cord Socket and then to an unswitched AC 

wall output. Do not turn on the Master Power Switch until all connections are complete.

Summary of Contents for Synthesis SDP-25

Page 1: ...SDP 25 SURROUND SOUND PROCESSOR...

Page 2: ...y options for up to twelve fully programmable audio video sources Six HDMI inputs including one on the front panel Two HDMI outputs including one with ARC capability Composite and component video inpu...

Page 3: ...information shown will vary Infrared Sensor The sensor behind this window received IR commands from the Remote Control Audio Selector Press this button to choose between the Primary Digital Secondary...

Page 4: ...Remote Control When you are using external remote command receivers you may want to set the switch to Off down to avoid interference Coax Digital Audio Inputs Connect the coaxial digital audio output...

Page 5: ...s Composite Video Inputs Connect the composite video outputs of a source device to these jacks Analog Audio Inputs Connect the analog two channel outputs of a source device to these jacks 7 1 Direct I...

Page 6: ...d and select the desired menu items Mute Press this button to momentarily silence the audio output Audio may be restored by pressing the Mute Button again or by changing the Volume Navigation Buttons...

Page 7: ...additional connections This is particularly useful to have the audio from streaming services accessed in a Smart TV sent to the SDP for playback via your home theater system To use this feature make c...

Page 8: ...he tabs at the bottom in first and then snapping the cover into place It is recommended that to hold the cover more securely remove small Philips head screw found in the bag with the rack mount ears a...

Page 9: ...o make initial setup adjustments The adjustments made in the General Setup menu are applied to all inputs The Factory Settings option is used to return all settings to their original factory defaults...

Page 10: ...The Factory Reset option returns the Speaker Configuration settings only to their factory defaults Speaker Configuration Front L R 80Hz Center 80Hz Side L R 80Hz Rear L R 80Hz Height L R None Subwoof...

Page 11: ...level meter or by using any of the SPL Meter apps available for smartphones or tablets When setting the levels make certain that the meter or app is set to display C Weight Slow Speaker Level Test Si...

Page 12: ...in that the input for that source has been selected before proceeding The Audio Adjustment menu is a sub menu of the Input Setup menu described on Page 9 The adjustments in this menu allow you to fine...

Page 13: ...hanged In order to view a different video source in the second zone some settings must be changed in the Zone 2 Setup menu Zone 2 Setup Video Control Disable Video Source Blu ray Audio Source Blu ray...

Page 14: ...IO FROM SOME BUT NOT ALL CHANNELS Make certain that all audio input and output connections solid Check the settings in the Speaker Configuration sub menu in the Speaker Setup menu group Be certain tha...

Page 15: ...12 bit Deep Color 1080p 3D Pass through xvYCC x v Color Video bandwidth up to 300 MHz 4K support to 2160 50p 60p 8 bit 4 2 0 Composite CVBS Video Inputs 2x 1 0V p p 75 ohms Composite CVBS Video Outpu...

Page 16: ...nt Part No 070 90020 Rev A Printed in China Manufactured under license from Dolby Laboratories Dolby Pro Logic and the double D symbol are trademarks of Dolby Laboratories For DTS patents see http pat...

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