Sanyo AVD-8501, Service Manual

Page: 30 / 110

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• Use a plastic screw driver for adjustments.
• MODE : STEREO
• Speaker impedance : 4 ohm
• TUNING
FM : 87.5 - 108.0MHz (50kHz step)(AU,XE,UK)
87.9MHz - 107.9MHz(200kHz step)(US,CA,SS,AU)
AM : 522 - 1710kHz (9kHz step)(AU)
522kHz - 1611kHz (9kHz step)(XE,UK)
520kHz - 1710kHz (10kHz step)(US,CA,SS,AU)
522kHZ - 1710kHz (9kHz step)(able to step change SS)
(At the same time to push Disc Stop SW and Memory SW)
SG RF Level : 75 open Voltage dBµV
Antenna : 75 unbalanced Direct, Modulation : 1 kHz
Dev. : MONO ±22.5kHz / ±STEREO 22.5kHz (MAIN)
±6.75kHz(PILOT)
Output Level : about 100mV at TP25,TP26,TP27
TUNER ADJUSTMENTS
L2031
CN201
L2034-a R2047
R2046
TP11
(VT)
TP12
(GND)
TP27
(GND)
TP26
(RCH)
TP25
(LCH)
TP32
(IC202 22PIN)
FM SG IN
75 OHM
TP31
(IC202 3PIN)
L2033
T2001
0V ALIGMENT
J2036
J2083
J2081
J2077
J2035
AM LOOP
ANT
US,CA,SS,AU Location
CN201
L2034-a
R2046
TP11
(VT)
TP12
(GND)
TP27
(GND)
TP26
(RCH)
TP25
(LCH)
TP32
(IC202 22PIN)
FM SG IN
75 OHM
TP31
(IC202 3PIN)
T2001
0V ALIGNMENT
J2037
J2090
J2088
J2084
J2036
AM LOOP
ANT
UK,XE Location
1.FM
Step Adjusting
Connection
SG Set Adjustment Remark
Circuit
Input Output
Frequency Position
1 IF Alignment
FM ANT.
SG=66dB
µ
V
IC231 3,22pin
TP31, TP32
98.1MHz (US,CA,SS,AU)
98.0 MHz(XE,UK)
--- T2001 0.0 +/- 0.05V
2 Cover
---
Connect Digital DC voltmeter
87.9 MHz(CA,US,SS,AU)
87.5 MHz (XE,UK)
Low
L2033(US,CA,SS,AU)
Comfirm(XE,UK)
1.1+/- 0.1V(US,CA,SS,AU)
more than 0.8V(XE,UK)
voltage
---
to TP11(H), TP12(E).
107.9 MHz(CA,US,SS,AU)
108.0 MHz (XE,UK)
High ---
about6.2V(US,CA,SS,AU)
less than9.0V(XE,UK)
3 Tracking Connect FM SG to FM Antenna Connect to VTVM
90.1MHz(US,CA,SS,AU)
90.0 MHz(XE,UK)
Low L2031(US,CA,SS,AU)
Max.
(SG=8dB
µ
V)
TP25(L) or TP26(R), TP27(E)
106.1MHz(CA,US)
106.0 MHz(XE,UK,SS,AU)
High ---
2.AM
Step Adjusting Connection SG Set Adjustment Remark
Circuit
Input Output
Frequency Position
1 Cover
---
Connect Digital DC voltmeter
520kHz(US,CA)
522 kHz(XE,UK,SS,AU)
Low --- more than 0.8V
voltage
---
toTP11(H), TP12(E).
1710 kHz(US,CA,SS,AU)
1611kHz(XE,UK)
High --- less than 8.0V
2 Tracking Connect AM SG to Connect to VTVM
600kHz(US,CA,SS,AU)
603 kHz(XE,UK)
Low L2034-a
Max.
Test loop Ant.(SG=80dB
µ
V)
TP25(L) or TP26(R), TP27(E).
1400kHz(US,CA,SS,AU)
1404 kHz(XE,UK)
High ---