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©
1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Composite Power Supply Circuit Diagram [A508] (7/8)
<A504>
<A507>
<A506>
<A505>
<A504>
<A503>
<A504>
<A507>
<A507>
<A507>
+5V
+5V
+5V
<A505> PAC_S
HV_LIMIT
Q901
RESET
R802
VR801
+24VR
NC
JP999
NC
NC
DC24V_S
T_FEEDBACK
BIAS_S
PDC_S
CLIMIT
PROTECT
TIM
T_REV_ON*
T_FW_DRV
T_FW_S
C903
<A509>
<A502> AC_MONITOR
<A509>
LAMP_ON
PWM_1KHz
PAC_OUT
5V_ON*
<A505>
<A502>
PWOFF
CPS_REQ
PR_DC_ON
DV_DC_ON
DV_AC_ON
STBY/CPY*
LAMP_DETECT <A509>
T_FW_ON <A507>
ACK*
CLK32K <A507>
NC
NC
+5V
MPWM
PDC_PWM
BIAS_PWM
+24VR
ACBIAS
<A503>
<A505>
<A506>
<A506>
SKGND
S_IN
S_OUT
S_CLK
RLOFF*
ACK*
MMD
CPS_REQ
PR_DC_ON
+24VU+24VU
GND
MMD
MLOCK
DV_DC_ON
DV_AC_ON
STBY/CPY*
PWOFF
J204
J203
J205
Q900
S_IN
S_OUT
S_CLK
ZER_CRS <A502>
HEAT_TRG
MLOCK
<A502>
<A502>
JP999 : 220 / 240V model only
1
1
23
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
50
49
48
47
46
45
44
43
42
1
2
4
3
2
1
3
4
5
6
7
1
2
3
4
5
6
7
8
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
IN OUT
GND
PAC_S
+5FBT
HV_LIMIT
MODE1
MODE2
J_CTL
NC
AC_MONI_VR
AC_MONI TOR
AGND
FL_S
+24V
CLIMIT
T_FW_S
T_FW_DRV
T_REV_ON*
TIM
PROTECT
PDC_S
BIAS_S
T_FEEDBACK
DC24V_S
P_C_S
FL_LIGHT_ON*
RESET*
PAC_OUT
5V_ON*
PW_OFF*
D ATA 1
D ATA 2
D ATA 3
D ATA 0
ACK*
CLK32K
PGND
XI
+5V
+24V
S_CLK
S_OUT
S_IN
SKGND
ACBIAS
BIAS_PWM
PDC_PWM
MPWM
MPWM_CLK
XO
T_FW_ON
CPS_REQ*