Tuner Adjustments - Sanyo DC-S800 Service Manual

TUNER ADJUSTMENTS

• Use a plastic screw driver for adjustments.
• MODE : STEREO
• Speaker impedance : 6 ohm
• TUNING
FM : 87.5 - 108.0MHz (50kHz step)
MW : 522 - 1611kHz (9kHz step)
LW : 144 - 288kHz (9kHz step)
FM ANT 75ohm
COAXIAL CABLE
AM LOOP
ANT
1.FM
Step Adjusting
Circuit
1 Cover
voltage
2 Cover Connect FM SG to FM Antenn Connect to VTVM
voltage
2.AM
Step Adjusting
Circuit
MW Cover
1 voltage
LW Cover
voltage
MW Tracking Connect AM SG to Loop Ant. Connect to VTVM
2
LW Tracking Connect AM SG to Loop Ant.
CN201
(E)
L2154 L2153
(H)
CT251
L2151
SG RF Level : 75 open Voltage dBµV
Antenna
Dev.
Connection
Input
--- Connect Digital DC voltmeter to 87.5 MHZ
--- TP11(H), TP12(E).
TP25(L) or TP26(R), TP27(E)
SG•à8dBƒÊV
SG Modulation
Antenna, IRE Loop, Distance : 60 cm
Connection
Input
--- Connect Digital DC voltmeter to
--- TP11(H), TP12(E).
--- Connect Digital DC voltmeter to
--- TP11(H), TP12(E).
TP25(L) or TP26(R), TP27(E).
SG•à 80dBƒÊV
SG•à 85dBƒÊV
TP12
(E)
J2102
TP11
(COVER V)
J2110
R2303
CT252
L2152
: 75 unbalanced , Modulation : 1 kHz
: •} 22.5kHz(MONO) •} 22.5kHz(STEREO) •} 6.75kHz(PILOT)
SG
Frequency
Output
108.0 MHZ
90.0 MHZ
106.0 MHZ
: 1kHz, 30%
SG
Frequency
Output
522 kHZ
1611 kHZ
144 kHZ
288 kHZ
603 kHZ
1404 kHZ
162 kHZ
279 kHZ
- 6 -
TP25
(L CH)
R2325
TP27
(E)
R2326
TP26
(R CH)
Set Adjustment Remark
Position
Low --- more than 0.9V
High --- less than 9.0V
Low ---
High ---
Set Adjustment Remark
Position
Low L2153
1.0V•} 0.05V
High --- less than 9.0V
Low L2154
1.0V•} 0.05V
High --- less than 9.0V
Low L2152
High CT252
Low L2151
High CT251
Max.
Max.