PrecisionPower DAC348 - Manuals

Page 2 - S er vice; M o d e l; BACK TO CONTENTS

C aution! T h e e x t e n d e d u s e o f a h i g h p o w e r e d a u d i o s y s t e m m a yr e s u l t i n h e a r i n g l o s s o r d a m a g e . W h i l e P r e c i s i o n Pow e r s y s t e m s a r e c a p a b l e o f " C o n c e r t L eve l " v o l u m e s w i t h i n c r e d i b l e a...

Page 4 - volume control for your system. Refer to the diagram below.; System Diagram

2 OPERATION PrecisionPower's DAC-348 processes the digital signal directly fromthe CD player, changer or other digital source. All digital to analogconversion as well as the subsequent filtering and analog treatmentof the signal by the stock source unit is replaced by the superior digitalsignal proc...

Page 5 - immersion or exposure to water.; INSTALLATION / MOUNTING; Dimensions

3 Mounting To prevent damage to the DAC while driving, mount it in asecure place. Choosing the appropriate location will dependupon your vehicle and the complexity of your system design.Keep in mind that the output of the DAC-348 must go to a preamp to control the volume of the digital source. To ke...

Page 6 - WIRING; NOTE

4 WIRING Fuse must be installed within 18" of battery Drill a hole in the firewall and use a rubber grommetto keep wire from shorting. Mount the DAC-348 nearthe front of the vehicle tominimize signal path lengths Run the cables under the carpet near the side of the vehicle. Be careful not to dri...

Page 7 - DAC-348. The power wire should run from the mounting location

BACK TO CONTENTS 5 The next step is to connect the Power, Ground, and Remote wires toyour DAC-348. The power wire should run from the mounting location through the vehicle to the battery or power distribution block. Avoidsharp corners, creases, and sharp body parts. When passing throughany metal wal...

Page 8 - Powerlock connector here.; amp Fuse; Parallel Analog Outputs to Preamp.; Analog Inputs; Sync Power

6 INPUTS / OUTPUTS Connect the Digital output from your source to the appropriate Digital Input connector (coax or Toslink optical). After connecting Power, Ground, and Remote wires, plug in the Powerlock connector here. 5 amp Fuse Parallel Analog Outputs to Preamp. Analog Inputs from source unit. S...

Page 9 - BLOCK DIAGRAM

7 BLOCK DIAGRAM Smart Input Selector Toslink Input Coaxial Input Decoder DSP 8x Oversampling, Digital Filtering, and De-emphasis L R Burr-Brown D to A Converter Burr-Brown D to A Converter I to V Conversion I to V Conversion Low Pass Filter Low Pass Filter AMP AMP DC Servo DC Servo L R Analog Inputs...

Page 10 - TROUBLE SHOOTING

Reverse left and right RCA outputs SOUND IS NOW IN IS THE SYNC LED LIT? SOUND IN ONE CHANNEL ONLY Check Balance control. Reverse leftand right RCA inputs SAME CHANNEL Problem is in the RCA cables OPPOSITE CHANNEL Problem is in the head unit or RCA cables SOUND IS NOW IN SAME CHANNEL Problem is downs...

Page 11 - W A R R A N T Y

W A R R A N T Y Three-Year Limited U.S.A. Warranty This warranty gives you specific legal rights, and you may also have other rights which vary fromstate to state. PrecisionPower warrants its products to be free from defects in materials and workmanship under normal use and service for a period of t...