Read Sony TC-TX5 Service Manual online
– 6 –
set
AF OSC
Attenuator
600
Ω
10 k
Ω
blank tape
CS-123
CS-123
LINE IN
1) 315 Hz
2) 10 kHz
1) 315 Hz
2) 10 kHz
67 mV (–21.3 dB)
Record BIAS Adjustment
Procedure:
1. Mode : record
1. Mode : record
2. Mode: playback
Record Level Adjustment
Procedure:
1. Mode : record
1. Mode : record
2. Mode: playback
+
–
–
set
LINE OUT
47 k
Ω
recorded portion
level meter
3. Confirm playback the signal recorded in step 1 become adjust-
ment level as follows.
4. If these levels do not adjustment level, adjust the RV152 (L-
CH) and RV252 (R-CH) to repeat step 1 and 2.
Adjustment Level:
Playback output of 10 kHz to playback out-
put of 315 Hz: ±0.5 dB.
put of 315 Hz: ±0.5 dB.
Adjustment Location: DECK board
[MAIN BOARD] (Component side)
CN803
IC304
CN802
RV801
Tape Speed
CN801
TEST mode
RV253
Record Level(R-CH)
RV153
Record Level(L-CH)
3. Confirm playback the signal recorded in step 1 become adjust-
ment level as follows.
4. If these levels do not adjustment level, adjust RV153 (L-CH)
and RV253 (R-CH) to repeart step 1 and 2.
Adjustment Level:
–21.3±0.5 dB (63 to 71 mV)
Adjustment Location: MAIN board
+
–
–
set
LINE OUT
47 k
Ω
recorded portion
level meter
set
AF OSC
Attenuator
600
Ω
10 k
Ω
blank tape
CS-123
CS-123
LINE IN
315 Hz, 67 mV (– 21.3 dB)
315 Hz, 67 mV (– 21.3 dB)
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