Sansui CD-E770 - Page 20

CD-E7 7 0
step
Item
Measuring
Location
Adjustment
Location
Adjustment
Conditions and Notes
Focus gain
adjustment
Connect VTVM
to
F1 ofTP2viathe
BPF.
Connect VTVM to
F2 of TP2 via the
BPF.
wVR2
(F-6110)
VTVM
TP 2 F 1
BPF
OUT
-2.5dB
VTVK
IN
TPZF2
3,P F
OUT
Using the indicated voltage at F1 of TP2 as a
reference, adjust the voltage at F2 to -2.5dB.
TR T 2 F2 T 1 F 1
TP2
|220K
O 5Vp-p
Audio CSC
__Q800 HZ
Playback the 4th track (no signal) of CD-1.
Apply an 800Hz signal of 0.5Vp-p from SG
to
F2 of TP2 vla a resistance of 220kn. zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA
iNhen wR4 is 240kQ When wR4 is 1 WMl
Fig.A
Fig.B
Adjust wVR1 to position Shown in the Fig. A
or B if you do not have a BPF or If -2.5dB
cannot be achieved.
Fig.
8-1
TP 6
(TEST, G)
19
TP 2 (F 1 , Tl, F 2 , T 2, TR)