Tuner Adjustments - Sanyo DC-F210 Service Manual

TUNER ADJUSTMENTS
PARTS LOCATION
AN;EflNA
750hm
AM LOOP
ANTENNA
a
L
+
J2;Ol\Tp12(E)
@ ,TP1l(H)
L2101
I
t ]J2013
T
~o
'p26~R~2~Tp27(E)
t
L2151-A Tp25fi==25
J
a
SG RF Level : 75f2 open Voltage dBpV
Antenna :75Qunbalanced, Modulation:l kHz
1. FM
Dev.
: *22.5 kHz(MONO) *22.5 KHz(STEREO) +6.75 KHz(PILOT)
Step Adjusting
Connection
SC set Adjustment
Circuit
Remark
Input output
Frequency
Position
1 Cover
---
Connect Digital DC voltmeter to 87.5 MHZ
Low --- more than 0.8 V
voitage TP1 l(H), TP12(E).
---
108.0 MHZ
High --- less than 8.0 V
2 Tracking Connect FM SG to
Connect to VTVM
90.0 MHZ Low L2101 Max.
FM Antenna TP25(L) or TP26(R), TP27(E)
106.0 MHZ Hiah
SG Modulation :1 kHz, 30%
Antenna, IRE Loop, Distance :60 cm
-.. ....
Step Adjusting
Connection
SG set Adjustment Remark
Circuit
input output
Frequency Position
1 Cover
---
Connect Digital DC voltmeter to 522 kHZ
Low --- more than 1.0 V
voltage TP1 l(H), TP12(E).
---
1710 kHZ
l+igh ---
kS
than 8.0 V
2 Tracking
Connect AM SG to
Connect to VTVM 603 KHZ
Low L2151-A Max.
Test loop Ant.
TP25(L) or TP26(R), TP27(E).
1404 kHZ
High
-15-