Sony SSC-C108P Manuale di servizio - Pagina 15
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| SSC-C104/C108P
4-3-2. V SUB Voltage Adjustment
MB-653
Object
: Close "C"
Equipment
: Digital Voltmeter
Measurement point
:MB-653 Board TP5 (CN202-Spin)
Adjustment point
: MB-653 Board RV301
Specification
: Set point + 0.15 V
Adjustment methoed :
,
Referring to the chart, adjust to the voltage set point in
accordance with the code of the V SUB (right figure of the
two) posted on the front panel.
[weve nie | vsub 7 [vv sae | V=U—.N
ea]
| oF
a
=a
Boo
ae
a
ae
[a
4-3-1. PGLL Adjustment
—
Object
: Close "C"
a
Equipment
:Oscilloscope (DC 500 mV 0.2 pS)
Measurement point
:MB-653 Board TP4 (CN202-4pin)
Adjustment point
: MB-653 Board RV302
Specification
: Set point + 0.15 V
4-3-3. GAIN 0 dB Adjustment
Adjustment methoed :
(1) ;
Referring to the chart, adjust to the voltage set point in
ones
s Grayscale chart
:
Equipment
: Oscilloscope (AC 50 mV 10 US)
accordance with the PGLL voltage (left figure of the two)
posted onthe front panel
Measurement point
:MB-653 Board TP3 (CN202-3pin)
(GND: CN201 1-pin)
Adjustment point
: Lens iris
PGLL code
Specification
:A = 250+ 20 mV
| ko
pede!
| 20
| 2s |
| 30
jn 88
| so
PGLL
ov
(2)
Object
: Grayscale chart
Equipment
: Oscilloscope (AC 100 mV 10 US)
Measurement point
:MB-653 Board TP6 (CN202-6pin)
Adjustment point
: MB-653 Board RV202
Specification
:A=500430mV
4-3