Schematic Diagram Of D Board - IBM 6550-23N Service Manual

(1) Schematic Diagram of D (a-d) Boards
1 2 3
A
B
C
D
CN701
10P
YEL
:S-MICRO
CY-DY CY4- 10
CY4+ 9
E
CY3- 8
CY3+ 7
CY2- 6
CY2+ 5
CY1- 4
CY1+ 3
ROTATION- 2
ROTATION+
1
ROTATION
F
G
R562
18k
:RN
R566
22
1W
:RS
R563
1.5
:FPRD
IC502
H
LA6500-FA
ROTATION DRIVE
15V
C513
10
I
• Divided circuit diagram
One sheet of D board circuit diagram is divided into four
sheets, each having the code D-a to D-d . For example, the
destination ab1 on the D-a sheet is connected to ab1 on the
D-b sheet.
a b 1
Ref. No.
Circuit diagram division code
5-7
4 5 6
C929
0.001 STBY 5V
B:CHIP
R940
S901
RESET
2.7k
:RN-CP
R943
S903
BRIGHT- 470
R944
S904 560
BRIGHT+
:CHIP
R945
S905 1k
MENU
:CHIP
R946
S906
1.5k
CONT-
:CHIP
S908
R947
CONT+
3.3k
:CHIP
R705
4.7k
:RN-CP
R718
100 R719
1W 15k
:RS :RN-CP
R717 R753
2.2 15k
R724
1W :RN-CP
18
:RS
1W
C725
C708 C729 0.01
B:CHIP
0.1 330p
:PT B:CHIP
R745
2.2
:CHIP
3.8 3.8
R560
1 2 3 4 5
15k
:RN-CP
C547
C549
1.0
-0.6 0.068 1
1.1
:PT
5V STBY
4 2
IC703
LA6510
OUT IN-
S CONVERGENCE OUT
IN+
5 3 1
R558
6.8k
:RN-CP
1.0
R559
2.7k
:RN-CP
-15V
Schematic diagram
l l l l l
D
-a board
7 8 9
KEY SCAN
IC701
CXA8070AP
CONVERGENCE
CONTROL
D935
4.9 HZS5.1N
A_GND
C716
0.033
25V D_GND
B:CHIP 4.9
V_SIN
SCL
5.0 4.7
VPOSIN
SDL
4.9 4.2
V_DF
C718
0.033
D_VCC
25V C714 D704
5.0
B:CHIP 390p 1SS119
VREF OUT CH:CHIP
HD.IN
C702
5.0 3.7
R704
4.7
H_CONVOUT 8.2k :RN-CP
C701
V_REFIN
0.1
5.0 4.9
25V
V.CONVOUT
B:CHIP
C704
H-SAW_CAP
220p
5.0 4.9
CH:CHIP
H_STATICOUT
C703
H-AGC_CAP
0.22
5.0
:MPS
V_STATICOUT
A_VCC C705
0.1
:PT
V.SIN
R709 R707
R708 R710
2.2k 2.2k
2.2k 2.2k
:RN-CP :RN-CP
:RN-CP :RN-CP
C707
R731 C706 R733
R711 68p R713
0 68p 0
0.56 CH:CHIP 0.68
:CHIP
1W CH:CHIP :CHIP 1W
R755
R712
4.7k
33
:RN-CP R716
1W
33
:RS
1W
:RS
R706 R735
R728
4.7k 2.2k
100
:RN-CP
R727 :RN-CP
1W C723
15k
:RS 0.01
:RN-CP B:CHIP
R730
12
C733 R729
330p
2.2 1W R737
B:CHIP
1W :RS 2.2k
:RS :RN-CP
R747
2.2
3.8 0.2 -0.2 2.5 2.5 2.5 2.5
:CHIP
C711
0.1
:PT
6 7 8 9 10 1 2 3 4 5 6 7 8
2 3 4
IC702
STK391-110
D CONVERGENCE OUT
D
(CONVERGENCE CONTROL)
10 11 12
ab1
ab2
ab6
JW901
5V-2 JW(5)
ab7
ab8
ab9
R703
270
1/4W
C712
0.1
:PT
ac1
ab10
C713
2200
10V
12V
C715
470
16V
ab11
ab12
ab13
-15V
15V
R743
0.47
:FPRD
R739
10k
:CHIP
R741
0.47
:FPRD
3.2
9 10 11 12
C709 C710
470 470
25V 25V
ab14
-a
B-SS9180<U/C>-D..-P1-24
• D - a BOARD WAVEFORMS
1 2 3
0.1 Vp-p (V) 0.16 Vp-p (V) 2.4Vp-p (V)
5-8
4
2.0 Vp-p (V)