Sony SRS-RF930RK Service Manual ▷ View online
9
9
SRS-RF930RK
SRS-RF930RK
3-1. BLOCK DIAGRAM – AMP ASSY –
• Signal path.
• R-ch is omitted due to same as L-ch.
: FM
: AUDIO
L301
FM
OSC
D301
+V
+V
+V
RX-FE
UNIT
18
13
16
FM IF/
DISCRI
DECODE
AMP
DETUNE
MUTE
TUNING
IND
STEREO
IND
CF302
10.7MHz
26
CF301
10.7MHz
6
5
R-CH
3
5
1
IC102
POWER AMP
Q306
MUTING
D701, 702
LIMITER
Q102
MUTE
Q101
CONTROL
D703,704
MUTE DET
22
20
FM FE
12
27
AUTO
BLEND
MUTE
MONO/ST
SW
1/2
COUNTER
PD1
PD1
VCO
21
23
10
REG
RV301
FREE RUN
FREQUENCY
IC301
IF AMP/DECODE
RV303
TUNE
(ANT)
SP101
(SPEAKER)
SP201
(SPEAKER)
RV701
VOL
2
(914MHz)
VOLTAGE
WATCH
IC801
POWER
POWER
Q803
FF
Q801
SW
Q802
SW
3
1
S801
D802
IC701
J701
S801
S801
RECHARGEABLE BATTERY
(NICKEL-HYDRICMETAL)
4PCS, 4.8V
R-CH
R-CH
IC701
AMP
6
7
IC302
AMP
5
7
TRANSMISSION
FREQUENCY
L301
J701
AUDIO IN
CHARGE
+B
10
10
SRS-RF930RK
SRS-RF930RK
3-2. BLOCK DIAGRAM – TRANSMITTER ASSY –
• Signal path.
• R-ch is omitted due to same as L-ch.
: FM
: AUDIO
J401
S401
NOISE FILTER
NOISE
FILTER
ALC
AMP
CH2
AMP
BUFFER
Q401
BUFFER
D404,405
RECT
INPUT
DET
DIVIDER
BUFFER
OSC
AMP
TIME
DIVISION
MPX
J402
OFF
(L)
(R)
(GND)
R-CH
R-CH
R-CH
R-CH
14
9
8
10
7
6
CH1
AMP
1
X401
38kHz
X501
1080MHz
RV403
Q501-Q503
LPF
IC403
STEREO MPX
+5V
REG
Q404
B+
SWITCH
IC402
ANT401
D401
POWER
CHARGE
AUDIO IN
B
A
MOD IN
ANT
5V
B+
5V
5V
(VCO UNIT)
I
MODULATION
Q408
CHANNEL
SET
S402
CHANNEL
1
2
3
Q402,405
J601
DC IN 9V
Q406
POWER
ON/OFF
Q602
CONSTANT
VOLTAGE
Q601
SW
Q604
SW
Q603
SW
13
1
1
3
IC401
ON
(STEREO COMPOSITE SIGNAL)
DUAL
COMPARATOR
1
3
IC601
SWITCHING
2
10
IC602
D602
CHARGE
Q18
4
OUT2
RESET
CT501
11
11
SRS-RF930RK
SRS-RF930RK
3-3. PRINTED WIRING BOARDS – AMP BOARD SECTION –
• Semiconductor
Location
Ref. No.
Location
D701
B-6
D702
B-5
D703
C-5
D704
B-2
D801
B-6
D802
C-5
IC102
C-5
IC202
B-5
IC701
B-3
IC801
B-6
Q101
C-4
Q102
C-4
Q201
B-4
Q202
B-4
Q801
B-6
Q802
C-6
Q803
C-6
IC701
IC202
IC801
IC102
1
1
4
8
5
1
4
8
5
4
JW805
JW806
J701
C212
C112
JW803
JW817
JW809
S801
S801
JW810
JW808
JW812
JW814
C702
CN801
C701
RV701
C801
C704
JW801
JW816
D802
C115
JW802
CN702
JW815
JW811
JW804
JW813
CN701
Q803
Q202
D703
C215
SP101
SP201
C803
R806
R807
R706
L701
R104
R224
R225
R215
D702
Q101
L102
R115
R216
R116
C111
R705
R707
FB705
C703
R708
R212
R211
C211
R210
R106
C203
Q801
Q102
R121
R709
R220
R127
R228
C209
R123
R804
FB201
C205
C107
C105
C210
C208
C110
C109
C207
C108
R223
R803
R702
R809
R704
C217
R120
R103
R102
C706
L201
R107
C202
C102
R703
C707
D704
FB101
R111
L202
L101
R117
R217
D701
R218
D801
Q201
Q802
R701
R226
R808
FB701
R110
R221
C103
C218
L801
R227
R126
R125
C118
R219
R711
R710
R122
R222
C121
C221
R207
R112
TJ802
TJ106
TJ105
TJ205
TJ206
TJ204
TJ104
TJ702
TJ208
TJ207
TJ108
TJ107
TJ803
CNP801
TJ801
TJ805
TJ804
TJ711
TJ102
TJ705
TJ202
TJ201
TJ704
TJ101
TJ708
TJ709
TJ103
TJ707
TJ710
TJ203
TJ706
TJ703
E
E
4
1
E
E
1
2
A
B
C
D
3
4
5
6
7
AUDIO IN
VOL
POWER
(POWER)
ON
OFF
A
RX
BOARD
CN301
(Page 13)
1
2
3
RECHARGEABLE BATTERY
(NICKEL - HYDRICMETAL)
4PCS, 4.8V
BATTERY PACK
L-CH
R-CH
•
See page 8 for Circuit Boards Location.
:Uses unleaded solder.
12
12
SRS-RF930RK
SRS-RF930RK
3-4. SCHEMATIC DIAGRAM – AMP BOARD SECTION –
• See page 17 for IC Block Diagram.
14
S801(1/2)
CN801
CNP801
D703
D704
D801
FB101
FB201
FB701
L701
R102
R103
R104
R106
R107
R111
R112
R115
R116
R117
R120
R121
R122
R123
R125
R126
R127
R207
R211
R212
R215
R216
R217
R219
R220
R221
R222
R223
R224
R225
R226
R227
R228
R701
R702
R703
R704
R705
R706
R707
R708
R709
R710
R711
R803
R804
R806
R807
R808
R809
C112
C115
C212
C701
C704
C801
CN701
CN702
CNP702
JW801
JW802
JW803
JW804
JW805 JW806
JW808
JW809
JW810
JW814
L101
L102
L201
L202
L801
SP201
TJ101
TJ102
TJ103
TJ104
TJ105
TJ106
TJ107
TJ108
TJ201
TJ202
TJ203
TJ204
TJ205
TJ206
TJ207
TJ208
TJ701
TJ702
TJ703
TJ704
TJ705
TJ706
TJ707
TJ708
TJ709
TJ710
TJ711
TJ801
TJ802
TJ803
TJ804
TJ805
TP801
TP802
S801(2/2)
SP101
C221
C702
C121
C111
R
218
C103
C102
C118
C707
C706
C218
C105
C703
C205
C217
C211
J701
FB705
RV701
C202
C203
C215
C803
C107
IC102
IC202
C109
D702
D701
C110
Q801
F802
Q802
Q803
IC801
C209
C210
C208
Q202
C207
R210
Q201
Q101
Q102
R110
IC701
C108
JW813
JW812
JW816
JW811
JW
8
17
JW
815
2P
2P
DAN202UT106
DAN202UT106
MA22D28
0
0
0
0
4.7k
4.7k
0
0
4.7k
100k
15k
33k
33k
2.2k
2.2k
3.3k
10k
15k
6.8k
33k
150k
4.7k
100k
15k
33k
33k
2.2k
2.2M
2.2k
3.3k
10k
15k
0
6.8k
33k
150k
470k
22k
100k
4.7k
4.7k
4.7k
0
0
0
33k
470k
470k
100k
470
100k
100k
470k
0
100
16V
100
16V
16V
100
16V
16V
10
50V
100
16V
2200
16V
5P
4P
2P
470p
10
50V
470p
0.1
1M
0.047
0.1
0.022
1
1
0.022
0.047
0.1
0.047
0.1
0.1
50k/50k
0.1
0.047
1
0.01
0.22
TPA2005D1DGNR
TPA2005D1DGNR
0.001
1SS355TE-17
1SS355TE-17
0.001
2SB1690TL
SLR-342VR3F
2SC2712L
-TE85L
FMG3A-T-148
XC61CN4002MR
0.001
0.001
0.22
2SK3018-T106
0.22
220
2SC2712L-TE85L
2SC2712L-TE85L
2SK3018-T106
220
N
JM
2100M
(TE2)
0.22
1
µ
H
1
µ
H
1
µ
H
1
µ
H
S
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