2-62
2.5.3.3
Installation of Cat. Nos. 517, 137L, and 560 in a CP200 WITH an
accessory unit fitted with Cat. No. 64 Equalizers for P (Left Surround)
and Q (Right Surround) Channels
Install the wiring shown in the wiring pictorial diagram (Figure 2.15). Note that the
surround equalization sections of the Cat. No.560 are not used.
Description of backplane wiring (with accessory unit and EQ for P, Q channels)
FROM
TO
FUNCTION
FIGURE
REF.
SK30 pin A
(Cat. No. 517)
SK28 pin A
(Cat. No. 517)
optical surround trim VCA signal
A
SK30 pin M
SK28 pin M
(Cat. No. 517)
Dolby Digital valid logic signal from
DA20 (low = valid)
B
SK28 pin M
SK13 pin B21
(Cat. No. 560)
Dolby Digital valid logic signal from
DA20 (low = valid)
C
SK 28 pin S
SK28 pin 7
(Cat. No. 517)
Grounds pin S to indicate card is in
left slot, disabling C/S channel treble
compensation and enabling
surround trim pot to control P (Left
surround) and Q (Right surround)
channels.
D