Sony TC-K555ES - ELECTRICAL ADJUSTMENTS - DOLBY C LEVEL; Dolby C Level Adjustment

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TC-K555ES r
DOLBY C Level Adjustment
Setting:
MONITOR: TAPE
TAPE: TYPE I
Procedure:
record and playback mode
1. Set DOLBY switch to DOLBY C.
Adjust for the specification.
Specifica
tion:
AFOSC.
Q
VTVM
blank mpe !I I II
o attenuator 600n CS-15 47kn I
i i
~OOO I
...... _ ...... ~._-- ....
• LINE OUT level: 55 mY"" 35 mY
(-23 dB"" -27 dB)
• Level
difference between
L-CH and R-CH: less than 2 dB
LINE IN
333Hz, 25mV (-30dB)
LINE OUT
44 m V (-25 dB)
Adjustment Location:
- record board -
C~f-o
C4°l ""
o-1F-o ~
~
[ ~r ~ 0 (R-eH)
l' ~
16
15
14
13
12
II
10
9 8
}? IC401 C411
If LINE OUT level is lower than the specifica-
tion, unsolder the portion marked by 8
(L-CH), 0 (R-CH).
[RECORD BOARD]
.. ,.,',:&;.~~~ 0 (L-CH)
-
playback board -
If LINE OUT level is higher than the specifica-
tion, unsolder the portion marked by 0
(L-CH), 8 (R-CH).
[PLAYBACK BOARD]
A(
-28-