Panasonic JB-3300 Technical Manual page 67

[2.4] Display Diagnosis Error
Display
Attributes
" attribute
"Error?
Yes
PDPC Attribute
Decoder
Character
set
Character
Q Font Error
PDPC Character
Generator
40x20
Display
PDPC Display Mode
Register
80x25
Display
PDPC Display Mode
Register
320x200
Graphics
640x200
Graphics
PDPC Display Mode
Register
PDPC Display Mode
Register
No
640x400
Graphics
s Graphic
CI Pattern Error
S ?
PDPC Display Mode
Register
screen
Paging
Paging
Error?
No
Is CRTC-CLK
Signal OK
?
No
PDPC Basic Timing
Generator
PDPC Video-RAM
Address Controlier
Figure 9-10
51