Onkyo TX-2500 - Quartz Locked Circuit Alignment; Servo Locked Circuit Alignment; AM IF Alignment

ATTACHMENT OF DIAL POINTER
1. Close the variable capacitor completely.
2. Set the radio dial pointer to zero (0) on dial scale and install
FM the dial pointer ass’y.
Connect Monitorscope
L108
33H
o
209
Tooze R220 10
D115
fig—11
| QUARTZ LOCKED CIRCUIT ALIGNMENT |
Set SELECTOR switch to FM.
R208
doer T F.7K
R204
4.7K
er
ae:
Va
a \/ 88
=)
10.7MHz
Sweep
Generator
10.7MHz
T104,
105
aa
symmetrical
response
10.7MHz
DC 0V
fig—13
SERVO LOCKED CIRCUIT ALIGNMENT Connect Monitorscope
NIT=3512R Role 0115
10.7MHz
Sweep
Generator
10.7MHz Sweep Adjustment for
10.7MHz
Maximum symmetrical response
fig—13
AM IF ALIGNMENT
AM bar antenna Between R169 and C177
T102, T104
SKHz
45 Unit Vv Monitorscope
Sweep pe po \ i
Same slope
Set Radio Dial Adjust Adjust for Remarks
fig—15
X104
(TX—4500) Maximum symetrical | Usally not necessary
Upper end X103 response to adjust
(TX—2500)
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