Panasonic KX-F900 Service Manual page 140

l j
Circuit Diagram
MAINBOARD
',JWIICHING POWER SUPPLY L_JAHD
24V RL201 CN301 CN2
1HERMAL HEAD
"/L_o_ "16 E 1 .+24V
i I o=o_t_.;÷_v F-2:1: _ +_v I
111 , , , ,0oo.. :. ,SOOT.......
I - l l---t NO'I --{Ii'---- --I NO'2
c I I I I I
GATE ARRAYI ] [" I _ {_}--'--_ I I_ {_----_
(IC,) R55 2 8 X I XlJI , .
.
I I
.5° :.o.:,_ i.II '' ' ' ' '
:.c_,_ = T.OL, 3='"' I' _-- ' r_ ; "
STB1 R_I l -
I s:,,= t_; ,_ _
T R52
I
I Ic,o _,_ ,.,.STO°
I l°'°t"_ ° U .,
I _NO_._8
I
I
i
I
I
I
Timing Chart
(3.0MsecX1728)
4 5.184reset
CN6 PRINT DATA NEXT LINE PRINT DATA
@ THDAT
I
,_- 3.01._sec
@ T.C_JqJ]J]_l_ ....... -I1_[1 I1Jl__J1Jl [lj1 FLIq FIFL
320 pcs 1728 pcs
@ THLAT
®
®
®
®
STB1
STB2
STB3
STB4
1728 pcs _,- 3.0psec
.0p.sec
3.0psec _ ______j._..p.
i
=
J
=
=
about 1.8 msec (at 26°C)
- [--_ TEMPERATURE OF THERMALHEAD
__J
LI
I
m
i
i
[-
LIJ
L_J
9.216 msec(COPY)
i
i
i
i
i
i
i
=I
- 140-