Blue Output Level Adjustment; Red Output Level Adjustment; Green Output Level Adjustment - Sony HB-501P Service Manual

5-3-3. Blue Output Level Adjustment
Equipment : OSCILLOSCOPE
Condition : • Set the sample program to RUN condition, and
depress the W key.
• After the adjustment, depress the R key.
Check Point : pin 7 of CN3/MAIN
Specification : A = 0.8 V ±0.07 Vp-p
4
%
A -BLUE LEVEL
SYNC LEVEL
(BLACK LEVEL)
Adjustment : VR2/RFB UNIT
5-3-4. Red Output Level Adjustment
Equipment : OSCILLOSCOPE
Condition : • Set the sample program to RUN condition, and
depress the W key.
• After the adjustment, depress the R key.
Checkpoint : pin 15 of CN3/MAIN
Specification : A = 0.8 V ±0.07 Vp-p
RED LEVEL
SYNC LEVEL
(BLACK LEVEL)
A
L_J
Adjustment : VR3/RGB UNIT
5-3-5. Green Output Level Adjustemnt
Equipment : OSCILLOSCOPE
Condition : • Set the sample program to RUN condition, and
depress the W key.
• After the adjustment, depress the R key.
Check Point : pin 11 of CN3/MAIN
Specification : A = 0.8 V ±0.07 Vp-p
<—GREEN LEVEL
A
A_I
Adjustment : VR4/RGB UNIT
SYNC LEVEL
(BLACK LEVEL)