Dolby Laboratories CP65 - Manual (Page 3)

Model CP65 Cinema Processor Installation and Alignment Instructions
iii
Table of Contents
INTRODUCTION ............................................................................................................. v
CP65 ............................................................................................................................ v
CP65-A ........................................................................................................................ v
CP65-300..................................................................................................................... v
About this manual....................................................................................................... v
SECTION 1
EQUIPMENT REQUIRED .......................................................................................... 1-1
SECTION 2
INITIAL SET-UP AND INSTALLATION .................................................................... 2-1
Wiring Diagrams .................................................................................................... 2-3
Jumpers on Boards
Cat. No. 441. .................................................................................................... 2-5
Cat. No. 242. .................................................................................................... 2-6
Cat. No. 249 ..................................................................................................... 2-6
Cat. No. 443 ..................................................................................................... 2-7
CP65 Backplane ............................................................................................... 2-8
Cat. No. 241 ................................................................................................... 2-10
Card Descriptions ................................................................................................ 2-11
IEC Notices .......................................................................................................... 2-15
Hum Problems ..................................................................................................... 2-16
SECTION 3
AN OVERVIEW OF THE ALIGNMENT PROCEDURE ............................................. 3-1
1. Aligning the A-Chain ........................................................................................ 3-1
2. Aligning the B-Chain ........................................................................................ 3-1
SECTION 4
A-CHAIN ALIGNMENT .............................................................................................. 4-1
a. Preliminary Procedures.................................................................................... 4-2
b. Optical Preamplifier Adjustments ................................................................... 4-6
c. Magnetic Preamplifier Adjustments .............................................................. 4-20
SECTION 5
B-CHAIN ALIGNMENT .............................................................................................. 5-1
a. Setting Room Equalization .............................................................................. 5-2
b. Adjusting L,C,R Gain ..................................................................................... 5-18
c. Setting Mono Gain ......................................................................................... 5-20
d. Subwoofer Alignment .................................................................................... 5-22
e. Surround Equalization Alignment .................................................................. 5-32
f. Adjustment of Surround Delay ...................................................................... 5-42
g. Adjustment of Bypass Gain ........................................................................... 5-44
h. Adjustment of Non-sync Gain ....................................................................... 5-48
i.
Adjustment of Mono Gain and Equalization ................................................. 5-52
j. Final Checks ................................................................................................... 5-54