IBM 6551-T3N Service Manual page 25

D625 L601
AC IN LF602
CN600 F601
AC RECT
:LFT
AC L
1
NC 2 TH600
AC H
3
RY602
TH601
DGC
CN610 RY601
DGC
1
DGC 4
15V
RELAY DRIVE RELAY DRIVE
Q608 Q607
IC401
V OUT
1
5
+ OUT
7 3
–
6
CN1005
10
V SAWN
H DF OUT
DCC2 9
Q701-705
V FBP 11
H DF 14
IC503 (1/2)
AMP
V DF 15
2
–
1 V DF OUT
7
XDC 3
G + Q706
REF DC 6
5
YDC
YSC 4
3
DAC REF
XSC 2
D TILT 1
CN1006
IC1001 CPU
H FBP 15
5
H SHAPE 14 PWM2
42
13 P3.4
HD OUT PWMN0
18
DSP RESET 1 AIN6 PWM3
23
7 WDIN
PLL LOCK
24
F
POC 6 INT3 P9.0
IIC SCL 2 AIN4
IC1005
IIC SDA 3
AIN5
ROM
H SYNCO 4
6
SCL
V SYNCO 5
5
SDA
C BLK 11
7
WC P9.1
CN1003
36
7
IIC SCL SCLI
37
IIC SDA 5 SDAI
27
A 12
H SYNCO H SYNCO
26
V SYNCO 11
V SYNCO
32
H FBP 9 HFBACK
34
DDC SCL 2
SCLD
B 33
DDC SDA 3 SDAD
25
WDOUT
CN1002 OSCONT
C BLK 1
22
BP CLP 3 CLAMP OUT OSCIN
28
C SYNCI
C SYNC 4
E
30
H SYNC 7 H SYNCI1
20
V SYNCI1
V SYNC 5 P3.0
STBY
INPUT SEL 2 54 P8.1
IC1003
5V
RESET
RESET SW
P8.0
CN1004
1 P3.1
PWM6
INPUT SEL 6
15 P3.2
KEY SCAN 1 AIN3
H 51 P3.3
LED1 2 P8.6
52
LED2 3 P8.7
PWM5
CN1001
39
TXD
4 SOUT
TO ECS 38
RXD 3 SIN PWM3
5-3
T602
:SRT
9
10
IC603 SW REG CONT
11
8
S602
14
OOB 12
1 7
V IN
9
V CTRL
13
5
5 4
I SENSE DRIVER
14
BOOST SW
Q605
15 –15V
3 16
STBY 5V
2 17
IC609
IC607
5V REG
18
4 1
3 2
IC608
SHUNT REG
3
1
STBY ERROR
AMP
Q609
2
T701
:DFT
7
4
8
16
17
T501
:HDT
H DRIVE BUFF H DRIVE
Q501-503 Q504
IC503 (2/2)
AMP
5
+ 7
44
6
–
X1001
8MHz
45
L502
IC501 PWN CONT
:HLC
7
53
S CAP
6
50 T504 T503
CANGE
:HST :LCT
49
14
Q511-516
H SAW GEN
48 Q511-516
47
11
15V
46
12
2 18
H LIN BAL SW
Q510
IC703
ROTATION DRIVE
1
+ 4
3
2
–
200V
12V
IC604
12V REG
IC610
5V-2
IC605
HEATER REG
5V-2REG
D616
2
4
VCC OUT
SW 1
CTL
Q606
IC502 H CENT AMP
IC901 HV CONT
5
VCC
14 5
Width
1
+
H SAW GEN
3
4
VEE OUT
2 +
3
– 11
–
+
12
–
10
T902
BUFF :HRC
200V
HV REG SW
Q507
Q901
4
L503 1
HV DRIVE HV OUT
:HCC
Q903-904 Q902
2
H OUT
Q505
8
300V
6
+
– 3
–
+
200V
PIN OUT
Q506
– 10
12V
+
1 PIN DRIVE
REF 9V
Q508-509
D µ-COM, CY, DEFLECTION ,
POWER, H DEF, HV
CN603
3 80V
C
7 H1
IC701 CY AMP
XSC
3 1
INA– IOUTA
4 2
DAC
INA+ OUTA
REF
6 8
INB– OUTB
CN701
7 9
INB+ IOUTB
CY4–
8
7 CY4+
YSC
6 CY3–
5 CY3+
4 CY2–
3 CY2+
IC702 CY AMP
2 CY1–
XDC
5 6 1 CY1+
–INA (X) OUTA (X)
4
REF +INA (X)
DC 3
+INB (Y)
2 1
–INB (Y) OUTB (Y)
11
STBY
TO
T901 PICTURE TUBE
:FBT
HV
17
13
TO
FV PICTURE
TUBE
14
15
16
TO
FC
PICTURE TUBE
11
12
CN510
1 1KV D
V DY
CN501
6 V DY+
T502
5 V DY–
:HOC
H DY–
4
3 H DY–
H DY+
2
1 H DY+
H DY
ROTATION
CN702
1 ROTATION+
3 ROTATION–
B-SS9315<AEP>-BD2-EPS05
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