Sanyo DC-C70 - Tuner Adjustments; Tuner Adjustment: FM Section; Tuner Adjustment: AM Section

TUNER ADJUSTMENTS
● Use a plastic screw driver for adjustments.
● MODE :STEREO
● Speaker impedance: 60hm
● TUNING
FM :87.5- 108.0 MHz
AM :522-1710
kHz (9 kHz step)
TP12
J2102
(H)— —
L2102
FM
‘y::;;A (E) “-
TP11
(E) “–
AM I$?151-A ‘2107
AkT?N\A
(H)
“—
-
SG RF Level: 75Q open Voltage dE
Antenna : 75fi unbalanced, Mc
1.FM
Dev. : *22.5kHz(MONO) d
Step Adjusting
Connection
SG
Circuit
Input output
Frequency
1 Cover
---
Connect DigitalDC
voltmeter to
87.5 MHZ
voltage
---
TP1 l(H), TP12(E).
108.0 MHZ
2
Tracking ConnectFM SGto FMAntenna connect to VTVM
90.0 MHZ
(SG=8dBPV)
TP25(L) or TP26(R), TP27(E)
106.0MHZ
TP25
c
(L CH)
R2325
TP27
&
(E)
R2326
TP26
(R CH)
julation :1
kHz
22.5kHz(STEREO) *6.75kHz(PlLOT)
set Adjustment Remark
Position
Low El@ mcra than 0.9V
High L21@
lessthan 8.0 V
Low
L2101 Max.
High I --- I
SG Modulation
:1 kHz, 30?40
9
AM
Antenna, IRE LooP, Distance: 60 cm
. .. ....
I
Step Adjusting
Connection
I
SG
Circuit
Input
I
output
Frequency
1
Cover
---
Connect Digital DC voltmeter to 522 kHZ
v-e
---
TP1 l(H), TP12(E).
1710 kHZ
2
Tracking Connect AM SG to Connect to VTVM
603 kHZ
Test loop Ant.(SG=80dB p V) TP25(L) or TP26(R), TP27(E).
1404 kHZ
High I
--- I less than 8.OV
Low I I-2151-A I Max.
High ---
I
-6-