Sony TC-C5 - Page 17

TC-C5/C521
Quick Reverse Sensitivity Adjustment
Conditions :
DIRECTION MODE switch :3==
Adjustment procedure:
CS-123
not recorded portion > set
(tape top or end)
Connect the digital voltmeter to test point TP 861.
2. Load CS-123 tape cassette and playback the leading portion
in FWD mode.
3. Adjust the RV861 for 4.5 +0.5V reading on the digital voltmeter.
Playback CS-123 tape cassette in FWD mode again.
Confirm that the reading on the digital voltmeter is “L” level
at the magnetic portion of the tape.
6. Confirm that the tape stop around the tape end (boder of
the leading and the magnetic portions).
Adjustment Location : SYSTEM CONTROL board
Adjustment Parts Location Diagrsm
—SYSTEM CONTROL board—
RV861
3 Quick Reverse sensitivit I
icompotierit-side)
itivity
Adjustment
1C872 /C871
— co
3 7
TP801
TEST MODE
—AUDIO board— RV881 Bias Consumption
Tape Speed Current Adjustment
Adjustment
7141 7241
: (L-CH) (R- CH)
(component side)
RV103
(L-CH)
Record Level
RV203 Adjustment
TP341
RV102 RV202 RV101 RV201
(L-CH) (R-CH) {L-CH} (R-CH)
So Soa
Playback Level Bias Current
Adjustment Adjustment