AMSTRAD CPC6128 Service Manual page 21
Micro computer/ colour monitor/green monitor
Hide thumbs
Also See for CPC6128:
- User instruction (521 pages) ,
- Service manual (32 pages) ,
- Service manual (31 pages)
Table of Contents
Advertisement
GT65 MAIN PCB
POWER
1709091
P.C. BOARD
CP502
171825-2
g
o
a
g
J501
HEC0470-0 1-630
To PCB704
MM0007B
a}
TO PCB
702
Gop
Ud"
Wo?
TO PCB703
M.-/-25-155
WM...
ST- 00/5
8GE7000/
PCB703
MSO021B
8 YHIDF 149 of
TO PCE7OI
v70l 3IOGNB3!
20LE Id OL
FUNCTION
SIGNAL IN
SIGNAL OUT
METHOD
AN.O. across C519
Adjust VR501
to obtain 5V.
ia
5V Adjustment
Monitor Switched on.
b
as
ak
al
12V Adjustment
Monitor switched on.
Emitter of Q502 & Earth. | Adjust VR502 to obtain 12V.
Se
aa
f
i
Connect Frequency Counter to CRT Heater.
ines
Glee ea
H. Hold.
Monitor switched on
Monitor Screen.
Adjust L703 to obtain 15625Hz on Frequency
Counter.
V. Size & Linearity.
Page Program for
Monitor Screen.
Top of the page can be adjusted with VR703 and
The adjustments are Linearity
Graphics.
Bottom of the page can be adjusted with VR702.
& V. Size respectively.
5.
Monitor Screen.
Adjust the magnet on the back of the neck to
centre the border.
Centering Adjustment.|
Program Border - 26.
24
Advertisement
Table of Contents
