HP 608E Operating And Service Manual page 72

section
V
Table 5-7. Model 608E/F Troubleshooting Procedure (Continued)
Model 608E/F
NOMOOWTlON
CAPA81llTY
liNT.
Q ....
POSITIONI
1
MODULATION
MODUlATION
VOlTAGE
CHECK
~ NORMAL
~
~
.MM'L
lAM POSITION!
NORMAl
AMPl Vl!
liNT. iCMXI"'POSITIONJ
EXTERNALLY MOOULATEO
AT TPl CI RCUlT
rES
1''' 1'''
CH£CJ(
RESISTORS
0<C.
VOlTAGE
"""
JIl
AttII R6 IN
MOOULAT1Uoi
"'''''L
I!' ! --o
MUll YI'
MOO.
osc.
V2
OSCIUATOR V2
AT TI'I CIRCUIT
CIRCUIT
CIRCUIT
!'''
VOlTAGE
"""
~
REC'TIFl(RV2D
""""l
AHO MOD N£T[R
" ""
MlC1RCUIT
NO CRVSTAL
CALIBRATOR OlfTF'UT
ISWlTot IN I Me POSITIONI
1
SIGNAL OUTPUT
~
r"'-
"""
"'''''L SIGNAL NORMAl
SMCOSCIUATOR
(SWITCH IN SMC POSITIONl
AT TPl
Y9A CIRCUIT
1
YES
1 YES
CHECK
SIGNAL NORMAL r"'-
CH£CK
I Me OSCIUATtlR
AMPL VIOA
V'B CIRCUIT
AT TP4
CIRCUli
1""
"""
SIGHAL HORlML r"'-
AMPlifiER VII AND
ATT~
TRANSfORM£R
n
CI~ITS
.-
•
)
5-42
•