3
+Z3V
CSZ3
0521
i- Z79u
'Jl.47u
BEAD
Rl5llZ
BZ.15
0519
115 '
'Jl.47u
c.
3. 83
0518
l.lu
0541
Rl541
Rl54
3
l.llu
-
II
0528
Rl542
Rl544
-
1
1
L.1512
BEAD
3. 83
I�
)QS81 q
0518
-
l.lu
BZ . 15
l.47u
/::"
{j_
Cl524
J Rl538
llCl53l5
BEAD
�47p
Z79u
l.47u
-Z3V
+SY
+SY
1 1
l
l
Rl5S7
RSl57
2X4. 7K
4.71<
4.71<
z 7
.
4
3
N.C.
[ill@
-
81.81<
+l5V
LEVEL CHECK
[}£]@
l
1
Rl5S7
4. 7K
ZX4.7K
1
1
15
8
-
74Ul83N
<DDI1
8.481<
11519
+Z3V
TO FRONT
1
1
CRl513
Al/118
PANEL
J4
Rl547
111
Kll84
111
CRS14
11
ITEl
05
1
3
-Z3V
Kll84
TR I GGER OUTPUT AMPL I F I ER
+lSV
CZll
+l5V LZ8I
- 'Jl.lu
RZ8t
l.47K'Jl.47u
llS '
'J l ..
[!fil@
787
-s.zv -s.zv
182
RZ84
51 . 1
151. l
MoOEL HP8 1 12A
F" I GURE
UI. 4-5.
SERV I CE
REF'EROIC£
TRIG
OUT
BOARD
A l SCHEMAT I C
7
SERV I C I NG Tl£ SHAPER
AND
OUTPUT AMPL l f" I ER
11!1. 4-9
Summary of Contents for 8112A
Page 6: ......
Page 24: ......
Page 36: ......
Page 44: ......
Page 70: ......
Page 92: ......
Page 144: ...8 32 Testing Performance ...
Page 176: ......
Page 190: ......
Page 194: ...10 2 4 Servicing the Power Supply ...
Page 196: ......
Page 197: ......
Page 216: ......
Page 240: ...10 4 16 Servicing the Shaper and Output Amplifier ...
Page 242: ...A R l BD RY MR I N 1 2 7 I I IJt 51 CR1 B e i 1 _ _ _ _ 20 ...
Page 244: ......
Page 251: ......
Page 262: ...A B A2 ED RY CONTROL ...
Page 270: ......
Page 290: ...R B c R3 BD RY M I CROPROCESSOR 1 2 3 FIGURE 1 0 7 8 ...
Page 294: ... 8 X2l 2 X2 Figure A 1 Mechanical Parts 1 A 2 Replaceable Parts ...
Page 295: ...MP MP3 MP MP2 MP4 MPS MP 1 2 MPS MP MP I B ElElElEl Replaceable Parts A 3 ...
Page 334: ......
Page 378: ...Figure B 14 Mechanical Parts 1 B 44 Backdating ...
Page 380: ......
Page 382: ......
Page 402: ......