6-2
2-1-5.
Input/Output Levels and Impedance
Video input: LINE-1 (TV)/LINE-2 IN
Input signal: 1 Vp-p, 75 ohms, unbalanced,
sync negative
Video output: LINE-1 (TV)
Output signal: 1 Vp-p, 75 ohms, unbalanced,
sync negative
Audio input: LINE-1 (TV)/LINE-2 IN
Input level: –7.5 dBs
(0 dBs= 0.775 Vrms)
Input impedance: more than 47 kilohms
Audio output:LINE-1 (TV)
Standard level: –7.5 dBs at load impedance 47
kilohms
Output impedance: less than 10 kilohms
2-1-6.
Adjustment Sequence
The adjustments should be performed in the following sequence.
2-2.
POWER SUPPLY CHECK
2-2-1.
Output Voltage Check (MA-372 Board)
Mode
STANDBY
D5 V Check
Measurement point
Cathode of D606
Specified value
4.8 to 5.4 V
Mode
E-E
–11 V Check
Measurement point
Corrector of Q602
Specified value
–13.5 to – 9.5 V
SW +12 V Check
Measurement point
IC601 pin
2
or corrector of Q612
Specified value
11.7 to 12.3 V
SW +5 V Check
Measurement point
Emitter of Q600
Specified value
4.8 to 5.4 V
MTR12 V Check
Measurement point
Corrector of Q601
Specified value
12.6 to 13.6 V
SW +30 V Check
Measurement point
Corrector of Q720
Specified value
33.5 to 36.5 V
[Check Method]
1)
Each of these supply voltages must meet its specified value.
Power Supply Check
Servo System Adjustments
Audio System Adjustments
Содержание SLV-SE100
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