Sanyo DC-S800, Service Manual

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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)
SG RF Level : 75 open Voltage dBµV
Antenna : 75 unbalanced , Modulation : 1 kHz
Dev. :
±
22.5kHz(MONO)
±
22.5kHz(STEREO)
±
6.75kHz(PILOT)
SG Modulation : 1kHz, 30%
Antenna, IRE Loop, Distance : 60 cm
R2325
J2102
L2154
L2151
CT251 CT252
CN201
L2152
L2153
R2326
TP26
(R CH)
TP12
(E)
J2110
TP11
(COVER V)
TP27
(E)
TP25
(L CH)
R2303
AM LOOP
ANT
FM ANT 75ohm
COAXIAL CABLE
(E)
(H)
1.FM
Step Adjusting
Connection
SG Set Adjustment Remark
Circuit
Input Output
Frequency Position
1 Cover --- Connect Digital DC voltmeter to 87.5 MHZ Low --- more than 0.9V
voltage --- TP11(H), TP12(E). 108.0 MHZ High --- less than 9.0V
2 Cover Connect FM SG to FM Antenn Connect to VTVM 90.0 MHZ Low ---
voltage
SG
≒
8dB
μ
V
TP25(L) or TP26(R), TP27(E) 106.0 MHZ High ---
2.AM
Step Adjusting
Connection
SG Set Adjustment Remark
Circuit
Input Output
Frequency Position
M W Cover --- Connect Digital DC voltmeter to 522 kHZ Low L2153
1.0V
±
0.05V
1 voltage --- TP11(H), TP12(E). 1611 kHZ High --- less than 9.0V
LW Cover --- Connect Digital DC voltmeter to 144 kHZ Low L2154
1.0V
±
0.05V
voltage --- TP11(H), TP12(E). 288 kHZ High --- less than 9.0V
M W Tracking Connect AM SG to Loop Ant. Connect to VTVM 603 kHZ Low L2152 Max.
2
SG
≒
80dB
μ
V
TP25(L) or TP26(R), TP27(E). 1404 kHZ High CT252
LW Tracking Connect AM SG to Loop Ant. 162 kHZ Low L2151 Max.
SG
≒
85dB
μ
V
279 kHZ High CT251