Sony TC-W421 - Page 19

TC-W421
Page
Incorrect
Correct
@ Testtape
Type Used for
P-4-A 100
P-4-L300
WS-48A
10 kHz, — 10 dB
315 Hz, 0 dB
3 kHz, 0 dB
Azimuth adjustment
PB level adjustment
Tape speed adjustment
Record Bias Adjustment |DECK B
Starting:
REC LEVEL control: Standard Record (See page 3.)
Procedure:
1. Mode: Record
AF OSC
> attenuator 10 kQ0
+0O——O O
600 Q
LINE IN
1) 315 Hz _
D 10 whe } 24.5 mV (— 30 dB)
CS-122
not record portion
@ Test tape
P-4-L300 PB level adjustment
WS-48B Tape speed adjustment
Record Bias Adjustment |DECK B
Starting: ;
REC LEVEL control: Standard Record (See page 3.)
Procedure:
1. Mode: Record
AF OSC CS-123
- ~ blank TAPE
S attenuator {90 kQ
+O0—-7-0 ©
Broo ots cer Ho
600 Q
7 LINE IN y
1) 315 Hz _
Dio we } 50 mV (— 23.8 dB)
Record Level Adjustment |DECK B
Starting:
REC LEVEL control: Standard Record (See page 3.)
Procedure:
1. Mode: Record
AF OSC CS-122
C3 not record portion
% | attenuator 10kQ
OI
LINE IN
315 Hz, 69.1 mV (— 21 dB)
3. Playback the signal recorded in step 1.
2.
Adjustment Limits: — 22.7 dB + 0.5 dB (53.6 — 60.2 mV)
Adjustment Location: main board (component side) (See Page 6.)
RV502
NORMAL
+) Rvro1 & RV102
PLAYBACK
LEVEL PLAYBACK
L
6 (DECK A) (DECK B)
Confirm that signal level is within the adjustment limits below. If
necessary, adjust RV141 (L-ch) and RV241 (R-ch) and repeat the step 1 —
& RV201
& RV202
9-957-040-91
Sony Corporation
Audio Group
—?2—
Record Level Adjustment |DECK B
Starting:
REC LEVEL control: Standard Record (See page 3.)
Procedure:
1. Mode: Record
CS-123
blank TAPE
AF OSC
C3 attenuato
a |
“ r 10kQ
LINE IN
315 Hz, 50 mV ( — 23.8 dB)
3. Playback the signal recorded in step 1.
Confirm that signal level is within the adjustment limits below. If
necessary, adjust RV141 (L-ch) and RV241 (R-ch) and repeat the step 1 —
2.
Adjustment Limits: — 23.8 dB + 0.5 dB (47.2 — 53.0 mV)
Adjustment Location: main board (component side) (See Page 6.)
RV502
TAPE SPEED
NORMAL
& Avior 6) RV102
PLAYBACK
ee Pa
(DECK A) DECK B
CNS505 —_ | OEE 2
GD Aveor ES aveoe
English
92E0542-1
Printed in Japan
© 1992.5
Published by Customer Relations and Service Group