2.3. MAIN FRAME SECTION
3 SCHEMATIC DIAGRAM
3.1. DIGITAL BOARD (PCB1)
+5VD
+5VD
+5VD
+5VD
+24V
+24V
CN614
1
+24V
2
PG
3
DEV REM
4
CHG REM
5
LED
6
TRA CLK
7
DRUM
8
TOPCVR
9
REGIST
CN615
1
+24V
2
+24V
3
PG
4
PG
5
DG
6
DG
7
+5V
8
+5V
9
HTRON
10
PDET
C741
K0.01u
C747
Z0.1u
C742
K1000p
C756
Z0.1u
C744
K820p
C743
K1000p
C757
35V100
C745
6.3V100
L642
L641
L647 0
L646 0
L645 0
L640
L644
R726
10K
R769
2.2 (1W)
R725
1K
R721
2.7K
R737
33K
R722
39K
10K
R704
R724 10K
Q616
Q619
Q618
Q617
CHG
REGIST
DEV
TRS
TOPCVR
DRUM
SENCTL1
HTRCTL
POWER2
PDET
POUT
PICKUP
SENCTL0
AIN0
TO HVPS
TO SMPS
-2
IC611
5
6
7
+5VD
-1
IC611
1
2
3
4
8
+5VD
+5VD
R728
10K
R701
4.7KF
R727
10K
R700
18KF
R703
10K
R702
10K
Q620
Q621
C750
Z0.1u
Q631
R802
10K
C774
Z0.1u
Addition
5
KX-FLB752CX