Service manual

&TQR BOARD ASSfMBlY ">M04 «oc
fuse)
6
—f>" i»"53TW
•>9 <5»T*t
410 enw
> a TIME BASE 001
OiGlT SfLECl
D>G'T A0CWES5
I—[->»' 5
10
'
O '—!->*> S'
GI
OiAKtCL B
SLOPE aECTOH
r~~iP^cV
B
* "*"!)
7
Jr- o :>
[j^»> * j j Lt<i
• [§3 0 0 0 0
(PSET) ^ [PSTT]
1
Eopl Jo
;• U'4A
0047
O MMi CLOCK
Tj|ui9o)
. OUU#«L
SLOPE SELECTION
I OPEN 'CLOSE *1
CANST v. » SWITCH
•^|
2
' TIME BASE W
J_V „ OlG'T SELECT 6 12 UI2C
P/0 AlPI
<?ri
~' C«i?i I
CHANXCI B S»ITC>-
IKPONfNT STORAGE -L> V MAN Of Sf
y— EXPONENT COUNT EH--,
*5V
1115l "i^S
4 ?4 TB SELECT *C
71 J6fl
? '* E»r) 3W,!
4« OPS
iO U2C
' vuT Ef
M
""
s
•>46 OPS
VOL TAG! .
RfGUtATOPS
l^oS.1 I- -fc)^
c
4
»»f EKtNTlAi AMPLIFIERS
* E?IB) imS
L>€>
E2<2) 37?
1 )
J?
'
4
l6
0»f'l "I NTiAt AMPli'lERS
^jur
EH') ft
LEVEL
SHIFTED
klu*
4l
DIGIT SELECT
I 4C
0,c,r
*a*ES5
10 UllC
i?l m io
— 1
£214) ioS
SCMM'T' .
•> 23 TB SELECT "B"
E.O) 0/C
-)y
r. i ? <91
4lU"B
Figure 9D-5-2. Frequency A Troubleshooting Diagram
9D-5-5