Schematic Diagram - Sony SRF-HM03V Service Manual

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