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Service Manual
STANDBY DISPLAY MUTE
SR110 /F1S, /N1S, /U1S Receiver
OPEN
SR110
STANDBY
DISPLAY
MUTE
OPEN
VOLUME
AMP BAND
+
TUNER
MEMO
TIMER PHONES
WOW
TABLE OF CONTENTS SECTION PAGE
1. TECHNICAL SPECIFICATIONS ................................................................................................................. 1 2. SERVICE MODE ......................................................................................................................................... 2 3. WIRING DIAGRAM ..................................................................................................................................... 3 4. BLOCK DIAGRAM ....................................................................................................................................... 5 5. SCHEMATIC DIAGRAM .............................................................................................................................. 7 6. PARTS LOCATION (Pattern Side) ............................................................................................................ 19 7. IC DATA .................................................................................................................................................... 23 8. EXPLODED VIEW AND PARTS LIST ....................................................................................................... 33 9. ELECTRICAL PARTS LIST ....................................................................................................................... 36
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
R
SR110
323W855010 MIT 3120 785 22710 First Issue 2001.09
SR110
3. WIRING DIAGRAM
3
4
4. BLOCK DIAGRAM
5
6
5. SCHEMATIC DIAGRAM
7
8
9
10
11
12
D1 4148
TUNER /N1S
AM LOOP
D2 4148
R10 10K
C14
180
FM ANT
C7 473K
X-TAL1 R52
7.2MHz(12p/S) J18 330
C15
220
4.7K
ANT RDS CLK
LA
1
A
4 4 S
C1 223
6 5
6
NC AGC GND
R9 220 R2 22K
2
00011A
MA A27N
RDS DATA
C16 221 X IN X-OUT
1
20
FM TUNER (KST-F404HA-5 4GANG)
B
S 2
SVC348 VCD
R1 12K
3
CE1
GND
R22 1K CE
3
2
1
S 3 1
19
ICO2 LC72131M
1 2
DATA IN
C12 223K R23 1K DI A OUT
4
Q3
18
2 3
CLK A IN
C143TK
CLK1
R24 1K
EC3 2.2uF/35
LO
+
1 2 3 6
EC01 2.2uF/35
4
MO 60LMO
17
3 4
R26 4.7K R21 PD 1K
00007A
DATA OUT
R25 1K DO
VT VCC
5
16
4 5
4 1
R20 Vdd 1K AM/FM
+
S 6 S 5 S 2
S 3
D-GND
6
6
15
R18 5.6K
5
D3 MTZ5.1V(1/2W)
FM VSM
MW/LW FM OSC
C8 150
C51 104
R17
*
IF OUT OSC OUT
7
Q4
7
14
6
R13 100K
C143TK
NC
MO/ST AM OSC C41 020 IF REQ(MUTE) C9 102K
8
13
7 8
C43 473K
EC14 47uF/16
+
C42 103K
+
25
R31 39K
+
+
+
+
18
13
+
+
EC17
1uF/50
R46
3.3K
+
+
15
EC18
0.47uF/50
16
+
+
EC21 10uF/16
+
+
13
Vcc 12V
FM
R4 68
R11
12
8 9
22
CF1 L10.7MS3A
CON 01
NC
LO/DX IF COUNT C10 102K
10
11
9
C13 100p
L-OUT
R14
10
GND
4R7
C4 *
R12 100
Q2 A114EK
11
R-OUT NC
R19 100 R16 10K
R28 10K
R5
560
12
+ EC5 100uF/16V
R6 3.3K C5 103K
13
TUNED
R30 560
Q1 3142
14
STEREO
R7
470
15
R39
C49 104Z
C11
***
R15
8.2K
C6 223K
R8 330
EC6 10uF/16
100
CF3 L10.7MS3A
+
SVR1 10K C30 473K
30
R38
***
1
EC20 47uF/16 473K C27
+
29
2
AM IF
75E-380 LTSD450B
28
3 4
27
CF4
R41 6.8K
C19
473K
26
5 6 7 8
EC7 1uF/50 EC8 10uF/16
24 23
C20 102 C17 103K SVR2 10K
IC01 LA1837M
EC9 4.7uF/35
FD A33S
C28 473K
R42
150
C22 333K
22
9
C21 222K R43 47
10
21
C23 822K C24 822K
Q6 2812
C29 473K R49 10K EC15 1uF/50
20
11 12
75J-201 EC10 2.2uF/35
19
B.P.F 10K SVR3 EC16 4.7uF/25 R32 R33 2.7K 2.7K B.P.F EC11 R45 5.1K 2.2uF/35 75J-201
R48 1K
C45 822K
C46 822K
14
17
EC12 10uF/16 EC13 10uF/16 EC19 1uF/50 R47 5.1K C25 153K R36 22K R34 2.7K C26 153K R37 22K
14
D5 MTZ3.3V(1/2W)
R35 2.7K
16
1
R63
470 R61 2.2K C62 47p
15
2
EC22 2.2uF/35
R62
14
IC03
3
X-TAL2 4.332MHz
39K
R64 3.3K
C65 102K
C63
56p
13
4
C64 473K
12
5
RDS
BU1924
6
11
RDS GND
C66 560p
10
7 8
9
TUNER /F1S
D1 4148
AM LOOP
D2 4148 Q9 C143T
R10 10K
C14
180
FM ANT
7.2MHz(12p/S) C7 473K X-TAL
C15
220
ANT
4 S
C16 221 X IN X-OUT MA A27N
1
5
6
223 C1
NC
R1 2.7K
2
20
1
S 2 1 S 3
AGC
SVC348 VCD
3
FM TUNER (KST-F401HJ 3GANG)
EC14 47uF/16
+
+
25
R31 39K
+
+
+
+
18
13
+
+
+
+
15
16
EC18 +
0.47uF/50
+
15
CE1
GND R22 1K CE
19
ICO2 LC72131M
1 2 DATA IN
C12 223K R23 1K DI A OUT
GND
R9 220 R2 47K
4
18
2 3
CLK A IN
+
CLK1 17 4
R21 PD R20 Vdd 1K 1K
R24 1K
EC3 2.2uF/35
4
6
MO 60LMO
3 DATA OUT 16 5
R26 4.7K R25 1K DO
EC01 2.2uF/35 +
VT
S 3 S 2 1
5
4 D-GND
AM/FM
VCC
R18 C8 5.6K 150 R13 100K C51 104 R17 *
6
6
15
5 FM VSM
D3 MTZ 5.1V(1/2W) 75u/50u FM OSC
IF OUT OSC OUT
C41 020 R11 R4 220
7
7
14
6 NC
MO/ST AM OSC
8
13
7 8 Vcc 12V
FM IF REQ(MUTE)
12
10K R51
8 9
100
CON 01
N.C
LO/DX IF COUNT
C9
102
R3 33pF
11
10
9
C13 101
L-OUT GND R-OUT
C10 102
10
R14 4R7
CF1 L10.7MA5A
R12 100
Q2 A114EK
11 12 N.C TUNED
R30 560 R28 10K
EC5 100uF/16 R19 100 R6 3.3K C5 103K 3142 Q1
+
R5
560
13 14 STEREO 15
C49 104Z R39 100 C30 473K C43 473K C42 103 C17 103 + EC20 47uF/16 R40 *** R49 10K Q6 2812 R48 1K
R15
15K R7 EC6 10uF/16 + R8 330 C6 223K 470
CF3 L10.7MS3A
30
R38
***
SVR1
10K
1 2
29
C27 473K AM IF 75E-380 LTSD450B
28
3 4
27
R45
CF4 R41 1.8K R42 FD A33S C28 5.1K 180 473K R43 47 C29 EC15 473K 1uF/50 SVR3 10K EC16 4.7uF/25
C19 473K
26
5
EC7 1uF/50 EC8 10uF/16
IC01 LA1837M
6 7 8 9 10 11 12 14
24 23 22 21 20 19 17
C20 SVR2 C22 333K EC9 4.7uF/35 C21 222 75J-201 EC10 R32 R33 2.7K 2.7K B.P.F EC11 2.2uF/35 75J-201 2.2uF/35 B.P.F
102 5K
C23 822K C24 822K
C45 822
C46 822
16
EC17 1uF/50
R46
3.3K
EC12 10uF/16
EC13 10uF/16 EC19 R47 1uF/50 5.1K R36 22K R34 2.7K C25 153K
C26
153K
R37
22K
R35
2.7K
TUNER /U1S
D1
4148
AM LOOP
R10
D2 4148
C14 10K
180
C7 473K J18 X-TAL
FM ANT
7.2MHz(12p/S) 330
R52 4.7K
C15
220
ANT
4 S
C16 221 X IN X-OUT
1
5
6
C1 223
NC
R1 12K
2
20
1
S 2
SVC348 VCD
MA A27N
FM TUNER (KST-F404HA-5 4GANG)
EC14
+
+
25
R31 39K
+
+
+
+
18
13
+
+
+
15
16
EC18 +
0.47uF/50
+
18
+
17
CE1
GND R22 1K CE
S 3 1
AGC GND
R9 220 R2 22K
3
19
ICO2 LC72131M
1 2 DATA IN
C12 223K R23 1K DI A OUT
4
18
2 3
CLK A IN
+
CLK1 17 4
R21 PD 1K
R24 1K
EC3
2.2uF/35
4 6
MO 60LMO
3 DATA OUT 5 16
4.7K R26 R20 1K R18 Vdd 5.6K R25 1K DO
EC01 2.2uF/35 +
VT
1
5
4 D-GND
AM/FM
S 3 S 2
VCC
C8 150 R13 100K C51 104 R17 *
6
6
15
5 FM VSM
D3 MTZ5.1V(1/2W) 75u/50u FM OSC
IF OUT OSC OUT
C41 020 R11 R4 220
7
7
14
6 NC
MO/ST AM OSC
8
13
7 8 Vcc 12V
FM IF REQ(MUTE)
12
8 9
22
CON 01
N.C
LO/DX IF COUNT
C9
102
R3 33pF
11
10
9
C13 101
L-OUT GND R-OUT
R28 10K
C10 102
10
R14 4R7
CF1 L10.7MA5A R12
Q2 A114EK
11 12 N.C TUNED
R30 560
100
+
R5 EC5 100uF/16 R19 100 R6
560
13 14 STEREO 15
C49 R39 104Z 100 EC20 47uF/16 C30 473K C43 473K C42 103 C17 103 + R40 *** R49 10K Q6 2812 R48 1K R45 EC17 5.1K 75E-380 LTSD450B AM IF CF4
3.3K C5 103K Q1 3142
R15
12K R7 EC6 10uF/16 + R8 C6 223K 470 330
CF3 L10.7MS3A-10A SVR1 10K
30
R38
***
1 2
29
C27
473K
28
3
47uF/16
27
4 5 6 7
C19
473K
26 24
EC7 1uF/50 EC8 10uF/16
23
R41
2.2K
C20
102
8
EC9
SVR2 R42 FD A33S 1uF/50 220 C22 333K 4.7uF/35
IC01 LA1837M
9
10K
22
C21 222 C28 473K R43 47
10 11
21
C23 C24 822K 822K
20
C29 EC15
473K 1uF/50
EC10 2.2uF/35
75J-201
12
19
B.P.F SVR3 10K EC16 4.7uF/25 R32 R33 2.7K 2.7K B.P.F EC11 2.2uF/35 75J-201
C45
822K
C46
822K
14
17
EC12 R46 3.3K 10uF/16 EC13 EC19 1uF/50 R47 5.1K 10uF/16 R36 15K R34 C25 273K 2.7K C26 273K R37 15K R35 2.7K
6. PARTS LOCATION (Pattern Side)
MAIN IC102 IC109 IC108 Q108 Q109 IC501 Q501 IC106 IC104 IC105 Q110 IC103 Q101 Q109 Q107 IC110 Q111 Q113 Q102 -Q105
AMP Q704 Q709 Q701 Q703 Q707 Q712 Q716 Q723 Q721 Q713 Q717 Q723 Q706 Q705 Q719 Q708 Q702 Q702 Q714 Q724 Q718
Q715 Q711
19
20
FRONT Q301 Q307 Q311 Q312 Q304 Q309 Q308 Q305 Q302 IC301 Q310 Q306 Q313 Q303
CONNECTOR Q601 - Q603 Q604 - Q609
21
22