Tektronix 2465A Service Manual page 306

\t1 6
1
SCHEM BOARD
LOCATION LOCATION
5K 7E
2
58 SE
5K 9E
6J 10G
6K SF
6L 10E
6K 10E
6K 10D
7H 7K
9K 10K
3
SK SL
9L SK
9N 10L
9M 10L
7G 7L
7G 7L
98 SL
4K 108
4
1F 5F
3D 4K
3D
4K
1D 4K
3E 4K
2D 4L
2D 4L
2C 4L
2C
4L
5
1L 7J
5J 9E
6H 9E
6H 9E
6H 9E
6H 9E
4M 9F
6K 7G
7M 9L
6
4D 7L
7G 7L
SG 7L
7G 7L
9A SM
7C 10G
7F 10G
6N SG
6N 9G
7
8
5E
2B
9
5C
2A
10
2N
I
CHASSIS
3N CHASSIS
A
P5~14
0
[3'1]
plW-424 0
12P]
FROM
P5ff;i22
0
B C
D
+15V +5V +5V
AGO R496
78.7K UK
R\Stetic Sensitive Devices
\:Clf
See
Haintenance Section
CR48!i
R498
--~.-----~
.,. PART Cl' ECB
SEE OU.SAAM
4J>
FOR PONER DISTRIBUTION.
J5U
14
TRACE SEP
J411
24 READOUT HOIIIZ OUT
I
J5u RB22
270
22 HOIIIZ P0S
CB22
RS17 220
C817
;;;1000
-15V R-497
1120
E
FROM:
U100-10 [1M]
U100-9
U200-10
U200-9
1.1300-27
1.1300-28
F
4
+cH1 SIG
-GH1 SIG
+cH2
SIG
U400
I
(4)•
•
'-"'-'.....,,,"'---'23"'1::- SWITCH
I
(4)•
• --"'-'.__,,,"'---' 2 , 1
CH1-
( 4)•
•
'-="--"'"'---'1,9 CH2+
-cH2 SIG
G
+CH3 SIG
-CH3
SIG
~~-=""--'=---=1,1CH2-
j
) .. --'--"'-"'-''="-----'g'I CH3+
I
oe&,1c:3:IE
+cH4 SIB :
=
OUT+ l-"
1
-=-
1
-' - - - - - 1
4
-CH4 SIG 5 CH-I-
~
~
R495 R 4 ~
75 75 12 CH!!+
IF
l~
12
ADJUST R416
CW 0
1K 16 IFADJ
1 IBIAS
3
OUT-
H
...
0
R411
0
250
C..03
2-10
;~~~~~
BOnH
R..04
20
J
PLIFIER
R40!!
20
R403
101<
R610
C404
4.7
2-10
K
L610 L607
2.45!111 81DnH
R607
10
R606
10
L609 L606
2.e1111 B10nH
L
LGO!!
360nH
'
- - - - - - - - - - - - - - - - - - - - " - f l N B
37 ISAC
VERT
CTR
3B GA
22
P0S
+!iV
. 1 l
A14
DYNAMIC CENTERING
BOARD RB20
31.BK
X+
C995
5.6
Jl41 P141
4
n
L.,J
Wl41
+15V1
R73) t5K?
+!5V1 J5~10 0-CH_1_CB2_POS_3 _ _,.,.,..,....,..... _ _ _ _ _ _ _ -='-1
R734
u-rri35 ~~~~+-----',..,{.!!""""'--~J'l~,_..220Wv__.
U735A
.022'J'
117
R735
~
R733
27K
JI.BK
-5V ~ 3 9
~-=----------------=---1
NOTE:
HIGH VOL TASE CIRCUIT
~ ~ M O N 0
Z AXIS
TRANSIENT
RESPONSE Rt63•
1-----------...
10K
PARTIAL
Ag
HIBH VOL TA6E BOARD
R957
10.5K
-!SV --'vV
HOV REF
0
cw
47
13
26
9
x-
TRAhn
A+
B+
CNB
6AOJ
iiAG
lflE6
H58
Im
!ii-ii
TRZ
TAO
MAX
Z OR
M
'
N
L633
l-==:..._ _ _ _,..,4Bn~H"c---__!We!91::e6~~+V:..:ERT!:!.!.._5"'l~G-0
V~g 1
\ . _ [4J]
~
OUT Bl-'2="8:..._ _ _ _,..,~~
28
,-.,jJ>c.___...:We!.91,.,_7 __ ;:.,-Ve:ER"-'T'-'S:e,l:,:6-0 V~
1
l4JI
CB06
CLB
6
.o~
CB08
BTST B
10
+OUT 9
C809
22
RB09
150
HOV REF
CR620
CR621
R620
4.7K
W91B
®
~ g ~ = A L
RS04
-OUT 4
150
W919
L,
@
C804
·10.
RS06
200K
CB05
470
J191
VZ OUT 9
CA966
+87Y
VQ OUT 22
E?
VQ OUT 10
R973
+HORIZ SIG
%
~~f
-HORIZ SIG
0
~~y
Jl91
1111115
5.1K
MAX
6flID
DRIVE
(Z ADJ)
CR956
51K
•2 EXT ZAXIS
+B7V
, Z~IS
I
¼061~=-=;
N.C .• ~ ~ - ! - 2 1 0 l l i z - - - - ~ - 0 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - I O _ H H z _ J 4 . . : : ; : " - I
••
0
P5,:~]32
r ~ 1 ~ 5 ~ R O S F R A M E = : = 7 . = - - - ' W r - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ; R O S F = i ~ R A ~ ~ : : a - ~ 7 c - 7 ,
1
FROM
1
23 A/ii
11..YD
R/W OLYD 9
j
TO
[2N7 1 f5NJ
0
14 ROS I (900H) ROS 1 (900H)
0
~m
13 ROS 2 (9.aH) ROS 2 [9..0H)
FROM
I
J411
T:o 1
J!512
I
P•up]10 0 + - - = 1 : . : : c O . . . ; R O ~ O O = - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ' R 0 . : : : . . . . : 0 0 : : . . - - = = 1 2
•
0
P5tij12
PARTIAL
A 1
MAIN BOAIIJ
2465A/2467 6019-107 CHANNEL SWITCH AND OUTPUT AMPLIFIERS 2465A