Sony SLV-SE70 - Electrical Adjustments - Power Supply Check

6-2
2-1-5. Input/Output Levels and Impedance
Video input: LINE-1 (TV)/LINE-2 IN/LINE-3 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/LINE-3 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-339 Board)
Mode E-E
+38 V Check
Measurement point CN600 pin 4
Specified value 35.0 to 41.0 V
+13 V Check
Measurement point CN600 pin 5,6
Specified value 12.5 to 14.5 V
+12 V Check
Measurement point IC601 pin 2
Specified value 11.0 to 13.0 V
+6 V Check
Measurement point CN600 pin !¢
Specified value 5.40 to 6.40 V
+5 V Check
Measurement point CN600 pin 2, 3
Specified value 4.7 to 5.7 V
MTR12 V Check
Measurement point CN600 pin 7, 8
Specified value 12.5 to 14.5 V
C +5V Check
Measurement point D603 Cathode
Specified value 4.5 to 5.5 V
+F, –F Check
Measurement point CN600 pin !§, !ª
Specified value 1.9 to 3.9 V
–11 V Check
Measurement point CN600 pin !•
Specified value –12.5 to – 10.5 V
[Check Method]
1) Each of these supply voltages must meet its specified value.
Power Supply Check
Servo System Adjustments
Audio System Adjustments