Sanyo DC-DA1000 - Tuner Adjustment Procedures; FM Tuner Adjustment Details; AM Tuner Adjustment Details

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1. FM
Connection
Input Output
Alignment voltage IC211 Alignment voltage IC211
3-22pin(TP24,25) is 0.0±0.05V 3-22pin is 0.0±0.05V
--- Connect Digital DC voltmeter to 87.5MHz 1.00±0.05V
--- TP11(H), TP12(E). 108.0MHz 5.50±0.50V Check Only
2. AM
Connection
Input Output
Connect Sweep generator to test
point TP13(L), TP14(R) and TP15(E).
--- Connect Digital DC voltmeter to 522kHz 1.00±0.05V
--- TP11(H )and TP12(E). 1611kHz 7.10±0.50V Check Only
Connect to VTVM 603kHz L2204
point TP13(L), TP14(R) and TP15(E).
1404kHz CT211
Maximum
98.0MHz
Cover
Voltage
450kHz
at 999kHz
T2001
MaximumLoop Ant
SG
Frequency
Cover
Voltage
L2205
3
FM Antenna SG=66dBuV
IF
Adjustment
Loop Ant
1
2
1
Tracking
2
IF(0V)
Adjustment
Step
Step
Adjusting
Circuit
Adjusting
Circuit
Remark
Remark
SG
Frequency
Adjustment
Adjustment
L2002
T2002
TUNER ADJUSTMENTS
E
MW ANT
MW OSC
E
E
E
BAND1
LID_SW
IF
SD
FR_GND
AM OSC
VT
AMPGND
TU_L
TU_R
ST
MONO
MUTE
BAND1
BAND2
VT
1AD4B10D1712D
T002 94V-0
LW OSC
+B 9V
E
E
E
E
L2205
XF212
IC201
XF211
CT211
Q2001
D2005
D2004
D2102
SH201
D2002
D2003
C2009
J2110
L2003
J2109
J2211
C2104
J2209
C2111
C2119
C2121
C2801
C2701
C2106
C2113
C2107
D2101
L2005
Q2101
L2006
J2203
J2206
J2105
C2312
C2108
Q2111
J2307
C2218
J2302
Q2201
J2101
J2205
S2001
J2208
J2304
CN201
L2002
J2306
J2102
J2103
C2112
T2002
IC211
T2001
XF215
D2006
J2303
J2108
U
J2106
L2204
XF210
J2212
L2007
Q2002
Q2003
D2104
CN203
CN202
Q2102
J2107
J2210
J2301
J2104
Q2110
J2300
J2202
J2200
J2201
J2100
J2207
J2204
J2305
R2129
L2001
C2131
C2142 R2131
C2024
C2005
C2002
R2001
C2001
C2001
C2014
C2014
C2022
C2022
C2001
R2002
C2014
R2005 C2013
R2004
R2003
C2011
C2011
C2011
C2012
C2008
C2015
R2014
C2017
C2003
R2006
R2008
R2007
R2009
C2021
R2101
C2101
C2118
C2117
C2120
C2122
C2702
C2802
C2802
C2802
R2801
R2701
C2103
C2102
R2104
R2106
C2110
C2126 R2113
R2117
R2119
C2209
C2020
C2019
C2311
C2207R2128
R2127
R2206
R2201
C2027
C2140
C2025
R2126
C2026
C2115
R2301 C2114
R2303
R2302
R2105
C2010
R2205
C2022
C2029
R2107
R2901
R2010
R2011
R2210
C2141
R2900
R2900
R2900
C2902
L2002 L2205
L2204
TP11
TP24TP25
TP12
TP13
TP14
TP15
T2001
CT211
T2002
Antenna : 75Ω unbalanced direct, Modulation : 1 kHz
Dev. : ±22.5kHz(MONO), ±22.5kHz(MAIN), ±6.75kHz(PILOT)
RF Level : dBuV EMF
Output Level : about 30mV at TP13, TP14, TP15
Anntena : IRE Loop(SG), Moduration : 1kHz 30%
RF Level : dBuV EMF
Output Level : about 30mV at TP13, TP14, TP15
• Use a plastic screw driver for adjustments.
• MODE : ST (Stereo)
• Speaker impedance : 4 ohms
• TUNING
FM : 87.5 - 108MHz
AM : 522 - 1611kHz