Sony SLV-495 - Adjustment Sequence; Power Supply Check; 2-2-1.Output Voltage Check (MA-289 Board)

2-1-5. Input/Output Levels and Impedance 2-2. POWER SUPPLY CHECK
Video input: LINE IN 2-2-1. Output Voltage Check (MA-289 Board)
calbigt
are
Se
[Mode
[EB
Input
signal:
1Vp-p,
75ohms,
unbalanced,
Digital
voltmeter
sync
negative
Video
output:
LINE
OUT
SW
12V
Check
(phone
jack)
(1)
Measurement
point
IC600
pin
@
Output signal: 1 Vp-p, 7S5ohms, unbalanced,
sync negative
Audio input: LINE IN
(phone jack) (1 : Monaural, 2 : Stereo)
Input level: -7.5 dBs
(OdBs= 0.775 Vrms)
Input impedance: more than 47 kilohms
Audio output: LINE OUT
(phone jack) (1 : Monaural, 2 : Stereo)
Standard level: —-7.5dBs at load impedance 47
kilohms
Output impedance: less than 10 kilohms
Specified value 12.0+0.3V
MTR12V Check
Measurement point D600 cathode
Specified value 12.44 1.0V
Measurement point
Specified value
2-1-6. Adjustment Sequence
The adjustments should be performed in the following sequence. [Check Method]
1) Each of these supply voltages must meet its specified value.
Power Supply Check
Servo System Adjustments
Audio System Adjustments
Video System Adjustments
Tuner System Adjustment
7-2