- 4 -
TUNER ADJUSTMENTS
D
E
F
E
MW ANT
MW OSC
E
E
E
E
E
E
E
+9V
BAND2
BAND1
LID_SW
IF
SD
FRONTGND
AM OSC
VT
+B 9V AMPGND
TU_L
TU_R
ST
MONO
MUTE
BAND1
BAND2
VT
1AD4B10D0972D
T002 94V-0
L2103
L2205
XF212
IC201
XF211
CT211
Q2001
L2010
D2005
D2004
D2102
SH201
J2802
D2002
D2003
C2009
J2114
L2003
J2113
J2815
J2809
C2104
J2813
C2111
C2119
C2121
C2701
C2801
C2107
C2113
C2106 D2101
L2005
Q2101
Q2003
L2006
J2103
J2806
Q2002
J2703
J2808
J2108
C2312
D2104
C2108
Q2111
Q2110
Q2102
J2704
L2007
J2112
J2705
C2218
J2803
Q2201
J2102
J2807
S2001
J2115
J2811
J2804
J2816
J2107
J2805
J2812
CN201
J2110
L2002
J2814
J2105
J2106
CN203
J2700
C2112
T2002
IC211
L2011
T2001
XF215
D2006
CN202
J2104
J2701
J2101
J2111
J2100
J2800
J2801
J2810
J2702
L2204
J2109
L2001
C2402
C2400
C2403
C2131
C2142
R2131
C2024
C2005
C2002
R2001
C2001
R2002
C2014
R2005
C2013
R2004
R2003
C2011
C2012
C2008
C2015
R2014
C2017
C2003
R2006
R2008
R2007
R2009
C2021
R2101
C2101
C2118
C2117
C2120
C2122
C2802
C2702
R2701
R2801
C2103
C2102
R2104
R2106
C2110
C2126
R2113
R2117
R2119
C2209
R2011
R2010
C2020
C2019
R2210
C2311
C2207
R2128
R2127
R2206
R2201
C2027
C2140
C2025
R2129
R2126
C2026
C2115
R2301
C2114
R2303
R2302
R2105
C2010
R2205
C2022
C2401
C2029
R2900
C2141
R2107
R2901
L2002
L2205
T2001
T2002
VT
CT211
L2204
TP11
CT211
TP14
TP13
TP15
TP24
TP25
TP12
• Use a plastic screw driver for adjustments.
• MODE : ST (Stereo)
• Speaker impedance : 4 ohm
• TUNING
FM : 87.5 - 108MHz
AM: 522 - 1611kHz
Antenna
: 75
Ω
unbalanced, Modulation : 1 KHz
Dev. :
22.5kHz(MONO),
22.5kHz(STEREO),
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
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
90.0MHz
1.00±0.05V
---
TP11(H), TP12(E).
108.0MHz
5.50±0.20V Check Only
2. AM
Connection
Input
Output
Connect Sweep generator to test
point TP13, TP14 and TP15.
---
Connect Digital DC voltmeter to
522kHz
1.00±0.05V
---
TP11(H )and TP12(E).
1611kHz
7.10±0.20V Check Only
Connect to VTVM
603kHz
L2204
point TP13 or TP14 and TP15.
1404kHz
CT211
Maximum
98.0MHz
Cover
Voltage
450KHz
at 999kHz
T2001
Maximum
Loop 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