HP 3562A Service Manual page 566

S E RV I C E
Signal
name
Coeffic ient ROM continued:
I O BO
I O B1
I O B2
I O B3
I O B4
l O BS
I O B6
I O B7
I O B8
I O B9
I O B1 0
I O B1 1
I O B1 2
I O B1 3
I O B1 4
I O B1 5
Retu rn a l l j u m pers to the norm a l (N) position (either position O K for J 1 ).
3. Digital Signatu re Test 3
Con nect the sig natu re analyzer as described i n tab le A9-5 .
Table A9-5
Signal
G rou nd
Cl ock
Stop
Start
*
note c hange from test 2
Test 3 is activated by perform i n g the fol lowing steps:
a. Move j u m per J2 to the test (T) pos ition.
b. Move j u mper J 1 to the T5T1 position.
Press the reset switc h on the C PU board (A2 S1 ).
c.
8-1 1 6
Table A9-4 FFT Signature Analysis Test 2 cont.
IC (pin) Signature
U51 7(1 8) 31 H P
(1 7) F8F2
(1 6) 06FO
(1 5) 001 P
(14) U7P8
(1 3) 5204
(1 2) 0746
(1 1 ) 1 1 80
U51 8(1 8) 9376
P682
(1 7)
(1 6) 349C
(1 5) 053U
(14) UA51
(1 3) H P H 7
(1 2) F091
(1 1 ) 77 H P
FFT Signature Analyzer Setup #3
Polarity
Pos edge
Neg edge
Pos edge
Connection
A7 J 5-1
A7 TP3 *
A7 J 5-4
A7 J 5-5
MOD E L 3562A