Diagrams; Block Diagram - Sony CFS-B5LMK2 Service Manual

5-1. BLOCK DIAGRAM

MIC301
MIC
L-CH
HRP101
REC/PB
HEAD R-CH
S301-3
R-CH
(REC/PB)
PB REC
HE101
ERASE
HEAD
S303
ISS
ANT1 T301
1
FM/SW BIAS OSC
TELESCOPIC
2
ANTENNA
LW
MW
SW
BPF
FM
FL1
S1-8
BAND
L5
SW ANT CT5, L5
CT5 SW
TRACKING
CT3, L3-1
L3
L3-1 MW
MW/LW
CT3 MW TRACKING
FERRITE-ROD
S1-7
ANTENNA
BAND
FM S1-5
BAND
SW
FM
MW L3-2
SW
CT7 LW
LW
MW
LW
CV3
TUNE
CT7, L3-2
LW
TRACKING
LW
MW
RV2
SW
FINE TUNE
FM
S1-3
BAND
04
SECTION 5

DIAGRAMS

PRE AMP
PB REC
PB IN
S301-1
R-CH 7
(REC/PB)
REC
R-CH 2
PB IN
11
MIC
8
REC
16
TU
13 5
BIAS OSC
R-CH
Q341
BIAS OSC
FINE TUNE
Q340
CONTROL
Q2
CT8, L4
L4
LW
CV4 CT8 LW OSC
FREQUENCY
TUNE
S1-1
COVERAGE
BAND
LW
CT4, L8
L8
CT4 MW OSC MW
MW
FREQUENCY
COVERAGE
SW
FM
L6
SW OSC
CT6
CT6, L6
SW
FREQUENCY
COVERAGE
– 11 –
IC301
LINE
1 R-CH
LINE
+
17
RV353-1
RV352-1
(L-CH)
MUTE (L-CH)
MEGA BASS
Q151
HYPER
TREBLE
15
SW
TU V REG
18
MUTE
+
DRIVE
Q351
CT1,L1
FM
CV1, 2
CT2,L2
TRACKING
TUNE
FM
CT1 CT2
FREQUENCY
T1
COVERAGE
L1 L2 FM IF
FM OSC
FM RF
RV1
CV1 CV2
FM VCO
20 22 28 27
FM RF FM OSC
MPX VCO
DESCRI
REG
FM OSC
FM
IN
18 FM MIX
FE FM
OUT IF IN
AM IN CF1
19 AM MIX 16
13
AM OSC
AM
CF2
IF IN
T2 AM IF
14
AM OSC
24
T2
AM IF
S1-2
LW
MW
SW
S1
FM
BAND
S1-4
LW
MW
SW
FM
POWER AMP
R-CH
IC305
10 1
S302-2
S301-4
RV351-1
FUNCTION
(REC/PB)
(L-CH)
TAPE
RADIO
PB REC
(RADIO OFF)
VOLUME
S302-1
D911
FUNCTION
OPR/BATT
TAPE
RADIO
(RADIO OFF)
+9V
+9V
D901-904
D903
26 21
FM/SW/MW/LW
FM REG
D904
FRONT-END, IF DET,
OUT
FM STEREO
DEMODULATOR
IC1
REG
FM
FM 6
DET BUFFER MUTE
MPX
5 R-CH
AM
DET BAND
VCC
SELECT
15 7
REG
Q1
+9V
Q951
S1-6
BAND
LW
+4V
MW
SW
D3
FM
– 12 –
CFS-B5LMK2
J301
2
SP901
SPEAKER
L-CH
SP902
SPEAKER
R-CH
S902
(POWER)
M901
M
MOTOR
+9V
J901
T901
AC IN
POWER
TRANSFORMER
RECT
D901
D902
DRY BATTERY
SIZE "D"
(IEC DESIGNATION R20)
6PCS, 9V
• Signal path
:
FM/SW
:
MW/LW
: PB
:
REC
• R-ch : same as L-ch.