Sony TC-W345 - Page 22

Ma” : indicates changed portion
CHANGE PARTS LIST
ELECTRICAL ADJUSTMENTS (Service manual page 5)
RECORD BIAS ADJUSTMENT
Setting :
TAPE SELECT : TYPE-I (DECK-B)
Procedure :
1. Mode: record
AF
OSC
blank
tape
C) 10kQ CS-123
attenuator
Poco Late eat |
ot000% at d 5}
oo Q
LINE IN
1) 315Hz
2) t0kh2 } 0.025v (-30dB)
2. Mode : playback
recorded
portion VIVM
47kQ ‘wal
LINE OUT
Playback the tape recorded in step 1. If the specification is not
satisfied, adjust RV104 (L-CH), RV204 (R-CH) and repeat steps
1 and 2.
Measurement limit :
The LINE OUT level of 10kHz signal relative to that of
315Hz : -0.5dB to 0.5dB.
CT301_ | 1-141-225-00 CAP, TUNING, TRIMAR
——— 1-241-767-21
1-136-437-11 FILM 220PF 5% 630V
RES, ADJ, CERMET _ 100K
RES, ADJ, CERMET 100K
1-241-767-21
Adjustment Location : Audio Board
— Component side —
RV101 RV201
RV102 RV202
RV501 RV503 4
98
RV104
RV504 so @ a
RV502 5
CNP505