Sony SLV-SE310, Service Manual, Page: 11 / 12

7-2
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-401 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