Sony SRF-HM01V Service Manual ▷ View online
SRF-HM01V
17
17
4-9.
PRINTED WIRING BOARD – MICROCOMPUTER Board (Conductor Side) –
C309
R313
R310
R301
R332
C324
R304
R303
R302
R306
R305
L302
L301
C310
R311
C303
C323
R336
C304
R307
C316
C301
C302
R318
R331
C321
R316
C322
R330
R338
CN301
R309
R308
C306
R337
C305
R335
IC303
IC302
Q303
B
C
E
Q302
B C E
Q301
B C E
D301
K
A
MICROCOMPUTER BOARD
(CONDUCTOR SIDE)
(11)
11
1-683-612-
+
2
1
3
4
3
1
2
10
1
11
20
A
B
C
D
E
F
2
3
4
5
6
7
8
1
A
MAIN BOARD
CN1
• Semiconductor
Location
Ref. No.
Location
D301
E-4
IC302
D-5
IC303
F-2
Q301
D-4
Q302
D-4
Q303
E-4
(Page 12)
SRF-HM01V
18
18
4-10. SCHEMATIC DIAGRAMS – MICROCOMPUTER Board –
•
See page 11k for Waveform.
(Page 15)
R304
R305
R306
R307
R301
R302
R303
C301
C302
C303
Q301
Q302
C304
R308
IC303
R332
R336
R312
R313
R314
C307
C308
C309
C310
C311
C312
C313
C314
C318
C319
C321
C323
C324
R318
R321
R322
R323
R324
R325
R326
R327
R328
R330
D301
R310
R311
R331
IC302
C325
R337
C306
R329
C320
R317
C317
C305
R309
C316
L302
R316
D302
R333
R338
R320
R319
L301
C315
BATT2
X301
S302
S301
S303
S304
S306
S305
IC301
R335
Q303
CN301
C322
4.7k
1M
10k
220k
100k
15k
10k
0.01
1
1000p
2SD2216
2SD2216
1
10k
XC61AN0802MR
0
0
1k
1k
100k
47p
12p
0.1
10 4V
0.1
0.1
0.1
0.1
0.1
1000p
0.01
1
1
470k
1k
1k
1k
1k
1k
1k
1k
4.7k
470k
RB521S
1k
1k
100k
XC61CN1002N
0.01
1k
1
4.7k
1000p
1k
1
0.1
1M
1000p
1k
MA2S111 10k
10
100k
0
0.47
75KHz
TC9329FA-112
470k
2SB1218
20P
0.1
A1
A2
A3
B1
B2
B3
B4
B1
B2
B3
B4
A4
A1
A2
A3
A4
G
O
I
OUT
IN
GND
MODE
BAND
ENTER
P5-3
XOUT
XIN
GND
VDB
C1
C2
VEE
C3
C4
VCLD
RESET
MUTE
VDD
P1-3
P9-1
P9-0
P8-3
P5-2
P5-1
P3-3
P3-2
V REG
D0
VDD
OSC IN
GND
IF IN2
INT1
TEST
COM1
COM2
COM3
COM4
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
P8-1
COM1
COM2
COM3
COM4
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
BATT
POWER SW
BEEP
POWER
OSC
F.GND
MUTE
MEGABASS
AM BAND
MONO/ST
FM BAND
BAND2
BAND1
D/D
VT
LCD1
LIQUID CRYSTAL DISPLAY
PAS SECONDARY
BATTERY
(SL-621-FL11N)
RESET SIGNAL
GENERATOR
Q301,302
LOW-PASS
FILTER
GND
BATTERY
VOLTAGE
DETECT
MONO/ST
POWER ON1
BAND1
BAND2
REF SW
FM BAND
POWER ON2
POWER SW
MUTE
AM BAND
MEGA BASS
BEEP
KR3
KR2
KR1
KS2
KS1
TR TEST
TUNE
−
TUNE +
MEGA BASS/CLOCK
SYSTEM CONTROLLER
GND
GND
GND
NC
NC
B+ SWITCH
22
µ
H
22
µ
H
19
SRF-HM01V
IC201
TA2123AF (EL)
• IC Block Diagrams
– MAIN Board –
– MAIN Board –
IC1
TA2154FN- (EL)
1
2
3
4
27
26
25
5
FM/TV
MIX
30
29
28
AM
MIX
24
AM
OSC
1/2
FM
OSC
TV
OSC
6
7
8
9
10
AGC
23
22
21
20
1/8 OR
1/16
FM/AM/TV
PW SW
11
12
FM
DET
LEVEL
DET
AM
DET
19
SW
13
14
15
FM MPX
18
17
16
TV
RF
RF
FM
RF
BUFFER
BUFFER
BUFFER
IF
BUFFER
FM
IF
AM
IF
AF
TV RF IN
FM RF IN
RF GND
FM MIX
AM MIX
AGC
VCC
FM IF IN
GND
AM IF IN
QUAD
DET OUT
MPX IN
LPF1
R OUT
AM RF IN
RFVCC
AM OSC
TV RF OUT
FM RF OUT
AM BYPASS
TV FM OSC
OSC OUT
MODE2
MODE1
IF REQ
IF COUNT
LPF2B
LPF2A
L OUT
PRE A
PRE B
MIX
PW B
PW A
PW C
BST
MT TC
BASE
RF IN
PW GND
OUT B
OUT C
OUT A
VCC
RF OUT
VREF OUT
BST NF
BST OUT
PW IN C
LPF
EQ A
PW NF A
PW IN A
PW IN B
PW NF B
3
IN A-R
5
PRE NF-A
6
PRE OUT A
7
MTL DRV A
8
MTL DRV B
9
PRE OUT B
10
PRE NF-B
11
AMS IN
12
IN B-R
4
IN B-F
2
IN A-F
1
21
20
19
18
17
GND
16
AMS DET
15
AMS MIX
14
AMS SW
13
22
23
24
38
C-AMP SW 37
PW SW 42
MT SW 41
F/R SW 44
BST SW
43
M/N SW 46
PRE GND 47
VREF IN 48
PRE SW 45
AMS OUT 40
BEEP 39
26
27
28
29
30
31
32
33
34
DET
36
AGC IN
35
+
–
–
+
–
+
–
+
–
+
–
+
–
EQ B
25
RIPPLE
FILTER
AGC
DET
BEEP
VREF
SWITCH
COMPARATOR
MTL DRV
20
SRF-HM01V
4-11.
IC PIN FUNCTION DESCRIPTION
•
MICROCOMPUTER BOARD IC301 TC9329FA-112 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1 to 4
COM1 to COM4
O
Common drive signal output to the liquid crystal display
5 to 15
S1 to S11
O
Segment drive signal output to the liquid crystal display
16
P8-1
I
Not used
17
TR TEST
I
Setting terminal for TR mode (fixed at “L” in this set)
18
P8-3
I
Not used
19, 20
P9-0, P9-1
I
Not used
21, 22
KS1, KS2
O
Key scan signal output to the key matrix
23 to 25
KR1 to KR3
I
Key return signal input from the key matrix
26
P1-3
I
Not used
27
VDD
—
Power supply terminal (+1.5V)
28
BEEP
O
Beep sound signal output “H”: beep sound on
29
MEGA BASS
O
Mega bass control signal output “H”: mega bass on
30
AM BAND
O
AM band selection signal output “H”: AM
31
MUTE
O
Muting control signal output “L”: muting on
32
MUTE
O
Muting control signal output Not used
33
TEST
I
Setting terminal for test mode Not used
34
POWER SW
I
POWER switch input “H”: power on
35
INT1
I
Battery voltage (1.0V) detection signal input “L”: low battery
36
IF IN2
I
Not used
37
GND
—
Ground terminal
38
OSC IN
I
FM/AM/TV/WEATHER OSC signal input from the tuner circuit
39
VDD
—
Power supply terminal (+1.5V)
40
D0
O
PLL phase comparator output
41
V REG
—
Power supply terminal (connected to the coupling capacitor)
42
POWER ON2
O
Power on/off signal output “L”: power on
43
FM BAND
O
FM band selection signal output “L”: FM/TV (2ch to 6ch) (fixed at “L” in this set)
44, 45
P3-2, P3-3
I
Not used
46
REF SW
I
TV reference frequency selection signal output “L”: 3.125kHz, “H”: 6.25kHz
(fixed at “L” in this set)
(fixed at “L” in this set)
47 to 49
P5-1 to P5-3
I
Not used
50
MONO/ST
O
Mono/stereo selection signal output “L”: mono
51
POWER ON1
O
Power on/off control signal output to the audio master amp “H”: power on
52
BAND1
O
Band 1 selection signal output “L”: AM, “H”: FM/TV/WEATHER
53
BAND2
O
Band 2 selection signal output
“L”: FM/TV (2ch to 6ch), “H”: AM/TV (7ch to 13ch)/WEATHER
“L”: FM/TV (2ch to 6ch), “H”: AM/TV (7ch to 13ch)/WEATHER
54
RESET
I
System reset signal input “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
55
XOUT
O
Main system clock output terminal (75 kHz)
56
XIN
I
Main system clock input terminal (75 kHz)
57
GND
—
Ground terminal
58
VDB
—
Connection terminal of doubler circuit capacitor for liquid crystal display drive power supply
59, 60
C1, C2
—
Connection terminal of doubler circuit capacitor for liquid crystal display drive power supply
61
VEE
—
Connection terminal of doubler circuit capacitor for liquid crystal display drive power supply
62, 63
C3, C4
—
Connection terminal of doubler circuit capacitor for liquid crystal display drive power supply
64
VCLD
—
Connection terminal of doubler circuit capacitor for liquid crystal display drive power supply
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