Read Sony SRF-M95 Service Manual online
5
5
SRF-M95
SECTION 4
DIAGRAMS
4-1. BLOCK DIAGRAM
FM/AM RF,IF AMP
IC201
T202
AM MIX
CF202
450kHz
MIX OUT
4
FM IF IN
3
AM IF IN
6
AM OSC
L OUT 14
R OUT 15
ON
OFF
: FM
• Signal Path
• RCH is omitted
: AM
RF IN
1
6
MIX
8
RF OUT
5
OSC
FM FRONT END
IC101
D101
FM IF
AMP
Q102
CF101,102
10.7MHz
L201
BAR ANT
AM RF
24
Q201
RF
AMP
T201
AM OSC
2
D201
7
QUAD
17
VCO
VCO
RV201
CF203
10.7MHz
AUDIO
POWER AMP
IC301
40
DO
TU VCC
Q101
LOCAL
/DX
EXCEPT
JE
MODEL
D102
Q103
TU VCC
LPF1
16
Q204
LOCAL
/DX
JE MODEL
FM
DX
LOCAL
OFF
ON
TU VCC
L.P.F
Q403
Q403
CT201
DET OUT
22
PILOT IN
21
MPX IN
20
Q205
LPF 2A
18
LPF 2B
19
Q203
BAND
TU VCC
TU VCC
Q202
TU VCC
Q303
S304
Q302(1/2)
IN L
27
Q302(2/2)
IN R
28
S305
MEGA
BASS
VOL
RV301
TU VCC
NF L
26
NF R
29
REF OUT
3
BST SW
43
PW SW
42
MT SW
41
Q301
TU VCC
VCC
BASE
18
OUT L 22
OUT C 21
OUT R 20
AGC IN 35
J301
TU VCC
Q104,105
IC101
+B
DC-DC
CONV
T401
Q402,405
VCC
Q401
38
OSC IN
31
DDC ON
52
BAND
53
AM PON
50
MUTE
28
BEEP
X OUT
55
LCD1
LIQUID CRYSTAL
DISPLAY
X IN
56
X401
75kHz
1
4
COM1 COM4
5
16
S1 S12
INT2
34
VDD
IF
COUNTER
1
2
INT1
35
IF INT2
36
VCC
IC402
HOLD SW
26
HOLD
S303
KR1
23
DIGITAL TUNING
SYSTEM CONTROL
IC401
POWER
KR2
24
KR3
25
KS1
21
KS2
-2
S401
MODE
S302
-1
-3
22
S301
JOG
DRY BATTRY
SIZE "AAA"
(IEC DESIGNATION R03)
1PC 1.5V
Q406
VDD
IC403
VCC
RESET
RESET 54
POWER ON 51
• Abbreviation
JE
: Tourist model.
Ver 1.1 2002. 02
Click on the first or last page to see other SRF-M95 service manuals if exist.