Read Sony SRF-HM03V Service Manual online
SRF-HM03V
9
9
4-2.
SCHEMATIC DIAGRAM
•
See page 12 for Waveforms.
•
See page 12 for IC Block Diagrams.
•
See page 13 for IC Pin Function Description.
C301
R301
R302
C302
R303
C303
Q301
Q302
R304
R305
R306
R308
R309
C305
C306
C307
C308
X301
R312
R313
R311
R310
R314
C309
C310
C311
C312
C313
C314
C315
C318
D301
R316
R318
R317
C321
R333
D302
R338
R331
R325
R326
R327
R328
R329
R324
R323
R322
R321
L302
C323
C324
R330
C319
C320
C325
R337
C316
R320
R307
C304
C322
L301
C317
C26
C17
C43
C51
C31
C32
C52
R15
C29
C30
C18
CN301
CN1
BPF1
CF3
CF2
C1
C5
R3
C46
C6
R4
R10
C9
C36
R7
R5
C19
R30
D4
L5
C16
C47
R26
C41
R27
R33
C42
Q6
C21
C37
L10
C23
R13
R29
D6
R101
R102
R118
R119
L8
C108
C109
R117
R115
C111
C112
C120
C113
C116
C124
C107
R107
C110
R208
C202
C201
Q201
Q202
R202
D202
R203
C204
R204
C205
C206
R207
C114
C103
R113
R112
R16
D201
R201
C203
C44
C105
C125
S401
SP1
T201
RV101
SP2
Q103
IC1
C102
C101
Q4
Q3
C28
C24
Q8
C7
C8
L1
Q2
Q1
TP
TP
S1
Q303
IC302
IC303
BATT2
LCD301
S301
S304
S302
S306
S305
IC301
CT2
S303
C25
C104
C106
R114
R104
CT1
C39
D1
R2
C2
R1
TP
R22
D2
D5
L2
Q5
CT3
D3
C38
C15
L4
L3
C11
C35
C50
C40
C12
C10
R8
C14
C22
R9
R34
Q7
R6
C33
C34
R14
R12
CF4
R111
R110
R109
C118
C122
C121
IC101
C119
C117
0.01
100k
10k
1
10k
1000p
2SD2216
2SD2216
4.7k
1M
10k
10k
1M
0.1
1
47p
10p
75KHz
1k
1k
1k
1k
100k
0.1
10 4V
0.1
0.1
0.1
0.1
0.47
0.1
RB521S
1k
470k
1k
0.01
1k
1SS355
10
100k
1k
1k
1k
4.7k
4.7k
1k
1k
1k
1k
1
0.1
470k
1000p
1000p
0.01
1k
2200p
100k
470k
1
0.1
1
220
4V
1
220
4V
100
4V
0.47
0.047
0.022
1k
1
0.01
0.01
20P
20P
220p
1000p
100k
100p
1000p
100k
22
47p
0.01
100k
10k
0.01
1k
HVU300A
27nH
2p
0.01
22k
0.01
220
100
0.01
2SB1462
0.1
0.01
1000p
220
220
1PS226
22k
22k
4.7k
4.7k
1
1
10k
470k
1
1
4.7
4V
2.2
22
4V
4V
1
0.1
220k
1
1k
5p
1
2SD2216
2SD2216
47k
MA8130
100k
0.1
47k
1
10
4V
4V
10
22
4V
4V
0.47
4.7k
4.7k
47k
1SS355
1k
10p
100p
0.47
100
4V
20k/20k
2SB1689
TA2154AFN
1
1
UN9210
UN9210
220p
100p
2SC4627
1p
1
18nH
2SB1462
2SC4627
(ANT)
(GND)
2SB1218
S-80810CNNB
S-80808CNNB
TC9329FA-112
4.7
4V
0.22
4.7
4V
4.7k
100k
1000p
HVU300A
100k
1000p
100k
(VT)
100
HVU300A
HVU300A
2SK209
KV1610S
2p
100p
220p
22p
220p
5p
22p
0.01
220k
1000p
22p
100k
2.2k
UN9210
100
4700p
4700p
10k
22k
4.7
4.7
4.7
0.47
2200p
2200p
TA2179FNG
0.047
0.047
B
A
N
D
1
B
A
N
D2
BAND1
BAND2
P
O
W
E
R
POWER
MUTE
BEEP
M
U
TE
B
EEP
PO
W
_
SW
B
A
SS
M
O
N
O
A
BA
N
D
ABAND
BASS
MONO
PO
W
_S
W
D
D
D
D
O
S
C
O
S
C
BE
P
B
EP
M
EG
A
M
E
G
A
M
U
M
U
ST
ST
S
W
SW
P
O
W
P
O
W
B
A
1
B
A2
B
A1
B
A
2
D
/D
D/D
V
T
VT
D
/D
V
T
F
.G
N
D
F
.G
N
D
O
S
C
G
N
D
G
N
D
G
N
D
B
A
T
T
B
A
T
T
B
E
E
P
M
E
G
A
B
A
S
S
M
U
T
E
M
O
N
O
/S
T
A
M
B
A
N
D
P
O
W
E
R
_
S
W
P
O
W
E
R
B
A
N
D
2
B
A
N
D
1
C
O
M
1
C
O
M
2
C
O
M
3
C
O
M
4
S
1
S
2
S
3
S
4
S
5
S
6
S
7
S
8
S
9
S
1
0
P
8
-1
P
5
-2
P
5
-1
P
3
-3
P
3
-2
D
0
V
D
D
G
N
D
IN
T
1
T
E
S
T
V
R
E
G
O
S
C
IN
IF
IN
2
MUTE
VDD
P1-3
P9-1
P9-0
P8-3
P5-3
XOUT
XIN
GND
VDB
C1
C2
VEE
C3
C4
VCLD
RESET
C
O
M
1
C
O
M
2
C
O
M
3
C
O
M
4
S
1
S
2
S
3
S
4
S
5
S
6
S
7
S
8
S
9
S
1
0
S
1
1
G
N
D
G
N
D
O
U
T
IN
IN
O
U
T
G
N
D
G
N
D
L
O
W
G
N
D
C
O
M
G
N
D
H
IG
H
IN
T
V
R
F
F
M
R
F
IN
R
F
G
N
D
F
M
M
IX
A
M
M
IX
A
G
C
V
C
C
F
M
IF
IN
G
N
D
A
M
IF
IN
Q
U
A
D
D
E
T
O
U
T
M
P
X
IN
L
P
F
1
R
O
U
T
L
O
U
T
L
P
F
2
A
L
P
B
2
B
IF
C
O
U
N
T
IF
R
E
Q
M
O
D
E
1
M
O
D
E
2
O
U
T
O
S
C
T
V
/F
M
O
S
C
A
M
O
S
C
R
F
V
C
C
A
M
R
F
IN
A
M
B
Y
P
A
S
S
F
M
R
F
O
U
T
T
V
R
F
O
U
T
R
F
IN
V
R
E
F
IN
R
F
O
U
T
B
A
S
E
V
C
C
O
U
T
A
O
U
T
C
P
W
G
N
D
O
U
T
B
A
G
C
IN
A
G
C
D
E
T
S
W
O
U
T
P
U
T
IN
A
IN
B
V
R
E
F
P
W
S
W
P
W
M
U
T
E
B
S
T
S
W
G
N
D
L
P
F
B
S
T
N
F
B
S
T
O
U
T
M
O
N
O
/S
T
S
W
IN
C
P
W
DRIVER
DRIVER
POWER_SW
BATT
BATT
BATT
GND
OFF
ON
POWER
HEADPHONE
(L-CH)
FM/TV/WEATHER
LEAD-WIRE
ANTENNA
DRY BATTERY
1PC. 1.5V
SIZE"AAA"
(IEC DESIGNATION R03)
DC/DC
CONVERTER
Q201,202
DC/DC
CONVERTER
-1
-2
VOL
HEADPHONE
(R-CH)
RIPPLE
FILTER
HEADPHONE
POWER AMP
FM/TV RF AMP,
FM/TV/AM MIX AMP,
FM/TV/AM OSC,
FM/AM DET,FM MPX
MONO/STEREO
SWITCHING
SWITCHING
AM BAND
OSC BUFFER
SWITCHING
AM BAND
Q6,7
AM OSC
S
L2
FM/TV RF
ANTENNA
AM
FERRITE-ROD
AM BAND
SWITCHING
FM/TV/WEATHER
RF AMP
LOCAL
DX
TV/WB/FM SENS
B+ SWITCH
VOLTAGE DETECT
BATTERY
RESET SIGNAL
GENERATOR
Q301,302
FILTER
LOW-PASS
PAS SECONDARY
BATTERY
LIQUID CRYSTAL DISPLAY
TR TEST
KR3
KR2
KR1
KS2
KS1
BEEP
MUTE
AM BAND
MEGA BASS
P
O
W
E
R
S
W
F
M
B
A
N
D
P
O
W
E
R
O
N
2
R
E
F
S
W
MONO/ST
POWER ON1
BAND1
BAND2
ENTER
TUNE
−
TUNE +
MODE
BAND
MEGA BASS/
CLOCK
SYSTEM CONTROLLER
AM RF AMP
FM/AM IF AMP,
S
1
1
22
µ
H
22
µ
H
22
µ
H
0.1
µ
H
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