IBM 6551-T3N Service Manual page 30

1 2 3
A
L601
56mH
B
7 8 9 11 12
6 5 4 3 2 1
R693
4.7M
C
1/2W
:SURGE
C660
0.1
250V
:MPS
IC603
R627
TEA1504/N2
4.7M
1/2W SW REG CONT
:SURGE
D636
UDZ-TE-17-12B
4
OOB
R628
680k
DEM
JW606
:RN-CP
JW(7.5) C614 R629
D 0.01 180k 1.1
D608
B:CHIP :RN-CP
1SS133T-77
NC
D607
MA111-TX
C607 GND DRIVER
JW607 1
B:CHIP
JW(7.5)
NC ISENSE
C615
R630
0.022
2.7
220
B:CHIP
S602 :RN-CP
VCTRL
R631
2.5
1k
:RN-CP
IREF
E
R633
33k
R632
:RN-CP
470k
:RN-CP
D610
MTZJ-T-77-4.7B
VA603
3
15V
TH600
RY602
F 2 1 6D-22 3
R671
D626
10k
4 1SS133T-77 :CHIP
4
Q607
D625
R672
D4SB60L-F 2SC3311A-QRSTA
150
AC RECT RELAY DRIVE
0
0.7
RD8.2ES-T1B2
R673
10k C635
C638
:CHIP 22
0.47
250V
C634
:MPS
0.1 25V B:CHIP
JW605
G
JW604 C636 C637
470p
470p
250V 250V
RY601
B
B 2
4 6
VA601
3 2
1 4
3 5
1
LF602
:LFT
4 1
2 3
TH601
4.5
:POS
1
H
2
R674
560k
3
F601 1/2W
6.3A :SURGE
250V
1 2 3
CN601
CN600
4P
3P
WHT
WHT
:VH
:VH
I
DGC
AC IN
4 5 6
C609
0.0047
250V
E
R652
10k
3W
:RS
R625
0.1
D614
1/2W
:RF FMC-26UA
T602
L608 SRT
C611
C621
450 1µH
220 D634
400V
250V
1SS133T-77
9 10
D618
L603
ERB38-06V1
100µH
C612 R626
8 11
0.033
47k
R635 C623 R651
250V
120k 3W R645 100 L604
:PP 100k
:RS 100µH
:RN-CP JW(7.5) 100V
7 12
C625
D609 D619
TO Q605
121 1000
UF4007G23 FMN-G12S
HEATSINK 25V
VIN 13 :HR
C610
C657
C616
680p R647
470p 1000p 500V :B
2kV JW(7.5)
500V Q605
L607 2.2µH
HVS B 130 5 14
2SK3265
C617 C627 C654
BOOST SW 680p R648 D622 1000
220
44 2kV JW(7.5) D4L20U 25V
25V 1800 25V :HR
:HR
NC 15
R637 L606
1.5k R638 C658 -15V
R636 S 100µH
4.5
22 2W 1.5k 47p 500V CH
:FPRD 0.2 :RS 2W
3 16
:RS
D612 R615 D611
D623
R649
MTZJ-T-77-18 33
UF4007G23 0.12 1/2W :RF EGP10DPKG23
:RN-CP
0.1
2 17
C619
R641 R642 D613
12.8 6800p
0.47
1 RGP10DG23
B:CHIP
1W
:FPRD
VAUX 18
:RS
R640
C613 R643 R639 R650
0.39 D624
18
47 22 0.12
1W EGP10DPKG23
:RN-CP
25V 1/2W
:RS
DS
:RF
R644
C620 IC609
D633 C618
12.5 100
JW(5) 0.1 22 BA05T
25V
25V C653
STBY 5V REG
B:CHIP 1000
STBY
25V
5V
O I
G
C645
220
12.8
16V
6 1
C640 R677
R684
3.3 0.1 100
22
:CHIP
5 2 25V
:CHIP
B:CHIP
JR602 D630
0
MTZJ-T-77-15B
:CHIP 4 3
R678
R685
560 C608
:RN-CP 0.1 10k
3.3
Q609
B:CHIP :CHIP
IC607
2SC3311A
TLP621D4-Y-LF2T
STBY ERROR AMP
C641 C644
R676
C642 R681 0.047
6.5 680p
75k 82k
4700p 250V
B:CHIP :RN
B:CHIP :RN :MPS
R686
R679 R682
82k 10k
IC608 56k
D627 :RN :RN :RN-CP
TL1431CZ-AP
SHUNT REG
R680 R687
D629
2.5 2.7k 39k
MA111-TX
:RN-CP :CHIP
IC610
BA00AST-V5
12V
HEATER REG
C646
470
5 4 3 2 1
D628 16V
1SS133T-77
1.2
11.8
R692
22k
R689
0 :CHIP
R675 3.3k
JW(5) :RN-CP
C648
C647 C659
10
Q608 R690
100 0.1
5.1k 5V-2
DTC143ESA-TP 16V :MPS
RELAY DRIVE
R691
2.7k
:RN-CP C633
80V
220
10V
12V 200V
80V
CN603
7P
:S-MICRO
TO A BOARD
CN305
5-13
7 8 9
C650
100p
500V
:B
D615
R653
UF4007G23
47k
2W
:RS
R664
47k
D616 2W
0
:RS
BT149G-412-OT359
4.9
C622
R657
0.0022
2.2k
B:CHIP
:CHIP
200V
Q606
PDTC114EK-115
SW
D617
1SS133T-77
D635
1SS133T-77
R659 4.9
68k
12V
15V
I O
C624 G
220 D620 R658 C631
0.56
25V D10SC9M 100
1W
25V
:RS IC604
PQ12RD08S C632
12V REG 220
16V
C626
L503
Q519
:HCC
D514
D621 RD4.7ES-T1B2 2SA1037AK
EGP10DPKG23
H CENT
C628
C629 R574
2200 1 1
81.9 82.3 1
470 82
25V
16V
R587 3 3
2
390
C630
:RN-CP
470
16V 81.7
R581
C564
R586 8.2k
0.1 470k
:RN-CP C556
B:CHIP
1/2W
0.01
B:CHIP
C503
C562
R576
0.01
D518 220p
100k :CHIP
B:CHIP :MPS
RD10ES-T1B2
81.8 82.2
R506
2 4
100
R575 - OUT Q504
IC502
2.2k IRFU110
LA6500-FA
:RN-CP
H DRIVE
H CENT AMP
+ VEE VCC
C553
1 3 5
0.0047 -9.9
B:CHIP
C560
1
10V
86.9
B:CHIP
12V
R570
9.1k R573
C555
:RN-CP R572 0.47
76.6 0.47
10k 3W
:MPS R507
:RS
22k D501
3.1
HZS182-TE
R583
D515
10k
MA111-TX
:RN-CP
2.6
R569
R582 Q517
4.7k
2.7k 2SC3209LK
:RN-CP
:RN-CP
H CENT
L506
4.7mH
R584
56
3W
:RS
C549 C547 C545 C543
0.033 0.082 0.15 0.33
250V 250V
400V 250V
:PP :PP :PP
:PP
IC605
BA05ST-V5
Q515 Q514 Q513
Q516 Q512
5V-2 REG 2SK3155
2SK3155 0 2SK3155 0 33.4 2SK2098 0 2SK2098
S CAP CHANGE S CAP CHANGE S CAP CHANGE S CAP CHANGE S CAP CHANGE
5 5 0 5 0
5 4 3 2 1
S S S S
C548 C546
C550 R561 R559 R557 C544 R555
C542
0.01 0.01 0.01 0.01
47k 47k 47k 47k 0.01
C656 R601
50V 50V 50V 50V
4.7k 50V
47 B:CHIP B:CHIP B:CHIP
B:CHIP B:CHIP
25V
R568 R567 R566
R565 R564
100 100 100 100 100
:FPRD :FPRD
:FPRD :FPRD :FPRD
• Divided circuit diagram
One sheet of D board circuit diagram is divided into three sheets,
each having the code D-a to D-c. For example, the destination
ab1 on the code D-a sheet is connected to ab1 on the D-b sheet.
a b 1
Ref. No.
Circuit diagram division code
10 11 12
12V-2
12V-2
C501
C557
R503
0.1
470
25V 220
16V
Q502
F:CHIP :CHIP
2SC2411K
C500 R501
220p H DRIVE BUFF C559
1k
0.1
CH:CHIP 6.3 :CHIP
25V
F:CHIP
R502
0.3 100 6.3
:CHIP 6.3
Q501
R505
R504 2SC1623
22k 3
10k
:CHIP H DRIVE BUFF
:CHIP
2
Q503
2SA1037K
H DRIVE BUFF
12V-2
R520
220
:CHIP
C511
0.1
11.2
25V
F:CHIP
Q508
2SC2411K
6.9
PIN DRIVE
R521
6.8
200V
100
Q509
R511 2SA1036K
0.47 PIN DRIVE
:FPRD
2 2
3
T501
:HDT Q506
2SJ585LS-CC11 T502
:HOC
PIN OUT
FB501
L501
1.1UH
220µH 118
1 8 5 6
C506
22
250V
R515
3 4.7k 4
198
D503
C507
2 R514
R508 HZS182-TE
0.047
10
47 250V D505
:FPRD
1W :MPS D2L40-TA
:RS
4 5 2 9
1.8
12V
R585
1 10
0.22 D504
R510 C513
3W PG124S15 0.1
1.8
:RS
10W Q507 25V
C504 R518
C512 F:CHIP
0.0047 :RN C509
522 220 :CHIP 2SC2412K
470p B
:MPS 100p
BUFF
2kV
-0.6
C514 SL
0.0047
S
C510
:MPS R516
0
0.0022 H FBP
4.7k
100V
C505 0.4
:PT D506 R519
330
R509 R513 UDZ-TE-17-4.7B R517 330
Q505 C508
25V 1 27
47k :CHIP
4700p
:FPRD 1W 2SC5445
:CHIP
1.8kV
:RS H OUT
:PP
-15V
H.CENT
T504
:HST
R542 R512
120 120
1/2W 1/2W
:RN
:RN
R543
C537
0.16 D516 120
L504
1/2W
4.7mH 400V ERA91-02TP1
:RN
:PP
R546
2 2 47
C541 C539
0.68 1.5 L505 3W
R549
4.7mH :RS
250V 250V
68
:PP
:PP 1/2W
1 1 1 1 L502
:FPRD
R548 :HLC
150
1/2W
Q511 :FPRD
C538
33.5 2SK2098 4.7
T503
C536
S CAP CHANGE 250V
:LCT
0.47
400V
0
R544
35.1 10
15V
R550 :FPRD
S S
1M
C540
47
25V
C535
R553 R552
0.1 25V B:CHIP
47k 47k C532
Q510
10
2SC3311A 1.4
R545
2.2k
H LIN BAL SW R547
R563
39 C534 :CHIP
100
0.9 :RN 0.1
:FPRD
25V
F:CHIP
• D-b BOARD WAVEFORMS
2
1.40 Vp-p (H)
5-14
13 14
bc1
bc2
D517
UDZ-TE-17-15B
bc3
bc4
bc5
bc6
D
-b
(POWER,H DEF)
B-SS9315<AEP>-D..-P2-EPS05
3
11.1 Vp-p (H)