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TUNER ADJUSTMENTS
• Use a plastic screw driver for adjustments.
SG RF Level : 75Ω open Voltage dBµV
Antenna
: 75Ω unbalanced Direct, Modulation
: ±22.5kHz(MONO) , ±22.5kHz(STEREO) , ±6.75kHz(PILOT)
Dev.
Output Level : about 100mV at TP13,TP14,TP15
L2101
2 J
J20 1
2001
00
D2101 0 0 1 01 0
D 10
D2101
01
01
D2102
R2
R21 21
R
R2102 02
R2
21
10
C213
C2 0 3
C213
C2 2 13 3
C C
C2 3
2130 30
R2103 0
R 0
R210 0 0
R210 0
R210
R 0 C2107
R210
R R 0
R2 2 10
R R 210
R R 0
R2 2 104
C 126
C2
C212
C 12
C212
C 2
C2
C 2
C 0
C 10
C2102
C210
C 0
C 02
C210
C21
C 10
C2104
C
C 04
C2
C2104
4
1 1 1 1
1 1 1
C 123
C 2
C212
C21
C212
C212
C 2
C2123
21
C 2
C212
C21
C 2 12
C2 21
C
C2 2
212
2121
212
D210 0 4 4 04
4 04
C211 1 2
C2 2
C211
IC211
IC C 1 1 1
I
I
C2 2
C C 2
C2 2
C C
211
J 0
J
J2004
R2 1
R2111
111
1
1
J
J2003 3
J2003
2003
XF211
XF211
XF211
C 131 3
C213 3
C C C
C213
C C 2
C213
2
B
B2101
B2101
210
R2 5 5
R R 2153
R2153
R 5
2153
153
15
CN20
C C
CN203
CN203
03
C C 2
C2
C2
C C 2
C2
C2
C2
152 2 52 2 2
152 2
152
152 52
CN
CN202
CN202
N202 2
2 2 2 2 2 2 2 2 2
L2151
J2008
L2151 TP11 TP12
TP12
(GND)
1 . F M
S t e p
Adjusting
Circuit
I n p u t
FM ANT.
1
IF Alignment
SG=66dBµV
---
2
Cover
voltage
---
3
Tracking
Connect FM SG to FM Antenna
(SG= about 8dBµV)
2 . A M
S t e p
Adjusting
Circuit
I n p u t
IF Alignment
Loop Ant.
1
---
2
Cover
voltage
---
3
Tracking
Connect AM SG to
Test loop Ant.
(SG= About 80dBµV)
All manuals and user guides at all-guides.com
: 1 kHz
L2102
C C 231 31
C231 1
C2314 4 4
C2
C
J214
J214
J2141 1
J214 4 1
21
R211
R2114 4
R 1
R R 211
R211
C2
C2117 17
C C C C 2117 7
C
7 7 7
J
J204 041
J2041
2102
21
J2121 1 1
J2121
212
12
R R R R R R R R R
211 1
211 11
112
C 0
C21
C210
C21
C 0
C 07
C 0
C 0
Q24 4 5 45
Q2
Q2451
L21 1 0 0 2
L
L2102
J2 2 022
20 20
2022
2
C
C23 8
2318
3 8 8 8
C 30
C
C2
C C C C 2
C2
C C C 230 0 0
C
C
23
2308 08 08
2
23 3 0
R2309
R
2
30
9 9
C2 2 2
C23 23 3
C 17 7 1 1
C2317
C2317 7
31 1 3 7 7 1 1 7
1
17
1
7
7
004
C2313
C2313
C2313 3 3
C
IC231
IC 3
IC231
C2
C2 1 31 3
C
C2
C
C2
3
1
LA184
L
LA1844 4 4
A
A
8 1
1
8
4
R210
R
R2101
R210
R210
101
1
J J
J20
J2005
200
J
J
J2007
2007
7
R 3
R23 23 3
R2
R2
R2 2 3 3
23 3
03 0 0 0 0 0
C C C
C2
2302 2
23 2
3 2 02 2
R
R2
R2305
R 0
R2305
R R R R R 2305
R
5
5 5 5
R2
R
R 304 4
R R R 3 4
R230 0 4
R2304
304
C2113
J2229
J2009
XF231
J2028
J2028
J202
J2 J J J J
C2
C2
C2
2306
2306
2306
TP24
XF231 IC231
XF233
TP25
Connection
O u t p u t
IC231 3,22pin
TP24, TP25
Connect Digital DC voltmeter
to TP11(H), TP12(E).
Connect to VTVM
TP13(L) or TP14(R), TP15(E)
Connection
O u t p u t
IC231 19pin(DCCUT)
TP26(GND)
Connect Digital DC voltmeter
toTP11(H), TP12(E).
Connect to VTVM
TP13(L) or TP14(R), TP15(E).
TP15
R2460 60
R 6
R246
R246
R246
R 6
J2 J 1 2 4
J2142
21
IC241
C24 4 1 1
C C 1 4
C2
C C
2
J 2 2 41
J224
J224
LC72121
L
L
C
7
2 7
21 2
C C C
C C C C 2453
C2
C2453
453
453
453 3
3 3 3
C246
C 6
C2 2 46
C2463 3
C246
C 6
2463
246
IC
IC241
IC24
IC2
E E
C2461
C2461
C
C2461
C C 46
46
1
1 1
C246 6 2
246 6 2
C C C 2
C
C2 2 2
2452
4
2
C C 24 4 5
C C 245
C C C C C C 5 456
C
C2
C C 24 4 5
C2
6 6 6 5 5 5 5 5 5 5 5
L L 2451
L2451
C2901
J2024
J
J202
2024 4
J J
J
J2025
02
5
5
RCH
RCH
RCH
RCH
4 4 4 4
C C C 23 3 3
C2
C2
C
C C 23
2330
23
33
330
0
C 32 2 8
C2328
C 328
328
C2
C2902
C2
C
C C 290 0 2
290 0 2
2
2 2 2
L
LCH
LCH
C2327
S G
S e t
Frequency
Position
98.0MHz
---
87.5MHz
Low
108.0MHz
High
90.0MHz
Low
106.0MHz
High
S G
S e t
Frequency
Position
522kHz
522kHz
Low
1710 kHz
High
603kHz
Low
1404kHz
High
- 13 -
TP13 TP14
C2
C 0
C2
C290
C 0
C2
290
29 9 0
2903
903
CN241
CN241
J2 2 14
J2143
J J 21
J2 2 14
J2144
J2144 44
144
D2451
2
2
J
J
J2 45
J
2145
21
145 5
J2044
J2044
J
204 4 4 4 4 4
R2464 64 4
R 6
R 6
R246
R246
R246
J 0 8 8 8
J 0
J2048
J2261
J
261
1
J2061
J206 6 1
J2061
J
J2161
R2711 1
R2
R271
R271
R2
R 1
R R 271
L2503
L 50
L25 5 03 3
J
J20 3
2063
3
J2 J2064
J2064
J
064 64
4
Adjustment
Remark
XF233
0.0 ± 0.05V
Alignment voltage is
more than 0.8V.
L2102
Confirm voltage is less
than 9.0V.
L2101
Max.
Adjustment
Remark
XF231
---
more than 0.8V
---
less than 9.0V
L2151-a
Max.
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