Sony TC-FX211 - Page 3

my : indicates changed portion
CHANGE PARTS LIST (TC-FX170 Service manual page 22, 23, 25)
[Page| RefNo [Former] Nw
C221 | 1-136-439-11 FILM 330PF 5% — 630V
CT301 | 1-141-225-00 CAP, TUNING, TRIMAR | |
RV103 1-241-767-21 RES, ADJ, CERMET _100K
RV203 | ————C—CC*;=1-241-767-21__ RES, ADJ, CERMET _100K
N
ELECTRICAL ADJUSTMENTS (TC-FX170 Service manual page 5, 6)
Record Bias Adjustment
Setting : Adjustment Location : Audio Board
REC LEVEL control : standard record
Procedure: — Conductor side —
1. Mode : record
AF
OSC
blank
tape
10kQ CS-123
€3 attenuator y
kf oe.
o—o C
i] Oooo 3 —
o-——O O
600Q
LINE IN
1) 315Hz
;
=
2)
10kHz
}
0.08V
(-23.8dB)
RV203.
=
RV103._—s
RV102_—s
RV202
‘Rya04
A
recorded
portion
LINE OUT
Confirm that the 10 kHz playback output is O+0.5 dB,
relative to the 315 Hz output. If necessary, adjust RV103
(L-CH), RV203 (R-CH) and repeat the steps given above. ‘Wy