Download  Print this page

Block Diagram - Sony ICF-SW7600GR Service Manual

Fm stereo/sw/mw/lw pll synthesized receiver.
Hide thumbs

Advertisement

4-1. BLOCK DIAGRAM

FM TRACKING
ANT101
(TELESCOPIC)
T101
FM ANT
Q120
J101
ATT
AM EXT ANT
(EXCEPT CH)
ROD B
BAR B
Q105
TO Q112-116
REG
S101
ATT
OFF
Q106
ATT
ON
ANT102
RV101
(FERRITE-ROD)
ATT
Q112,113
ATT
S301 - 323
KEY
S325 - 328
MATRIX
S329
HOLD
HOLD .
FREE
IC301
EEPROM
8
VDD
IC305
BATT
2
3.0V REG
IC303
2
3.5V DET
IC304
2
3.1V DET
Downloaded from
www.Manualslib.com
SECTION 4
DIAGRAMS
FM TRACKING
CT101
T102
CT102
FM RF
Q104
FM
RF AMP
VT
VT
Q101
MUTING
MUTING
CONTROL
T104
AM MIX2
Q107
Q109,110
BPF
SW
+
AM MIX
RF AMP
Q108,121
AGC
ATT
AGC
Q119
1ST OSC
AMP
Q116
LW/MW
RF AMP
Q118
1ST OSC
Q114,115
AGC
VT
AGC
LCD1
IC302
DIGITAL TUNING SYSTEM CONTROL
LIQUID CRYSTAL DISPLAY
XIN
25
35
X301
LCD0-14
ı
75kHz
49
24
XOUT
31
COM0-3
ı
9
34
ı
KS0-6
3
Q301
LIGHT
1
13
LED DRIVE
KR0-3
ı
10
MUTING
2
14
HOLD
BEEP
52
SD
53
METER
54
SI/SO
SDA
5
56
Q303,306
19
SCK
6
55
SCK
EO
PLL LPF
VCOL
20
3
23
VDD
Q304
VCOH
21
FM VCO
AMP
1
51
VDET
AM/FM
16
17
BAR/ROD
1
50
CE
POWER
15
manuals search engine
20
FMRF
19
AMIN
1ST IF
XF101
T105
55.845MHz
AM IFT1
Q205
15
BAND
BAND
Q111
SWITCH
1ST
IF AMP
22
AM REG
Q206
T202
FM VCO
BUFFER
FM VCO
Q117
VCOL
AM VCO
AMP
D301(BACK LIGHT)
RV203
76k(MPX)
MUTING
BEEP
SD
METER
VT
Q302
+13V
CURRENT REG
+13V
VCOL
Q219
AM B
AM/FM
B+ SWITCH
VCOH
Q217
Q305
ROD B
AM/FM
FM REG
AM/FM
REG
B+ SWITCH
B+ SWITCH
Q218
BAR B
AM/FM
AM REG
B+ SWITCH
9
9
IC201
FM/AM FRONT-END
IF,DET
CF202
CF203
10.7MHz
10.7MHz
16
13
11
9
FMLIMIN
FEOUT
FMIFIN
FMIFOUT
CF201
455kHz
CF205
14
AMIFIN
5
DISCRI
DISCRI
10.7MHz
23
24
7
6
8
CF204
X201
3.64MHz
AM OSC2
CT201
55.390MHz
RV201
SSB
(EXCEPT
SSB
0 BEAT
EA)
VT
CT202
FINE TUNE
REG
Q202
Q202
SWITCH
SWITCH
Q207
2ND LOCAL
AM/FM
SWITCH
Q203
MUTING
AM REG
AM MODE
AM REG
– SSB
IC202
PLL FM MPX
1
IN
L
9
LINE AMP
R
10
4
LINE AMP
VCO
NEWS
IC203
MUSIC
8
PRE/POWER AMP
STOP
S203
IN2 L
1
OUT2
Q212
TONE
STEREO
16
IN1 R
OUT1
CONTROL
4
NF2
BEEP
NF1
13
RV204
VCC
14
VOL
VOLUMEw
Q215
MUTING
Q216
DC/DC
CONVERTER
IC204
Q220
Q222,225
AM/FM
2
7
+3V REG
B+ SWITCH
B+ SWITCH
Q221
AM/FM
B+ SWITCH
Q223
REG
SWITCH
ICF-SW7600GR
DET
30
Q209
Q210
METER
METER
2
FM
AM
HIGH CUT
HIGH CUT
SD
26
SD-OUT
AM REG
Q211
AGC
Q210
MUTING
SWITCH
RV202
SD-CTRL/AGC
1
JUST
FM REG
TUNE
MUTING
U/L
29
S202
SYNC
LSB
USB
27
Q201
Q201
Q208
SWITCH
SWITCH
SWITCH
Q101
MUTING
MUTING
S201
CONTROL
SYNC
NORM –
J201
Q214
LINE OUT
Q213
7
SP201
10
(SPEAKER)
9
J202
(HEADPHONES)
• Signal Path
• Abbreviation
CH: Chinese model
: FM
EA: Saudi Arabia model
: MW/LW
Q224
: SW
B+ SWITCH
EXCEPT CH
J203
DC IN 6V
BATT
DRY BATTERY
SIZE"AA"
(IEC DESIGNATION R6)
4PCS,6V

Advertisement

Table of Contents

   Related Manuals for Sony ICF-SW7600GR

Comments to this Manuals

Symbols: 0
Latest comments: