Read Sony CFS-B5L MK2 Service Manual online
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SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM
7
2
11
15
17
+
+
1
8
16
13 5
18
LINE
LINE
SW
V REG
TU
TU
BIAS OSC
Q340
FINE TUNE
CONTROL
Q2
BIAS OSC
Q341
BPF
FL1
MUTE
Q151
MUTE
DRIVE
Q351
T301
BIAS OSC
T2
CT1
CT2
CV2
CV1
L2
FM OSC
L-CH
HRP101
REC/PB
HEAD
HE101
ERASE
HEAD
R-CH
R-CH
FM OSC
FM MIX
AM MIX
AM OSC
FM
IN
IN
AM IN
FM RF
FM OSC
FM
DESCRI
REG
OUT
OUT
VCO
AM OSC
ANT1
FM/SW
TELESCOPIC
ANTENNA
22
26
21
27
MPX
REG
FE
OUT
FM
IF IN
IF IN
AM
IF IN
IF IN
28
20
18
19
24
M
CF1
16
13
14
15
5
7
6
FM
DET
AM
DET
BUFFER
REG
FM
MPX
MUTE
BAND
SELECT
SELECT
VCC
FM/SW/MW/LW
FRONT-END, IF DET,
FM STEREO
DEMODULATOR
IC1
R-CH
R-CH
R-CH
RV1
FM VCO
PRE AMP
IC301
REG
Q951
+9V
CF2
AM IF
Q1
10
1
POWER AMP
IC305
J901
AC IN
T901
POWER
TRANSFORMER
SP901
SPEAKER
L-CH
SP902
SPEAKER
R-CH
04
• Signal path
• R-ch : same as L-ch.
:
FM/SW
:
MW/LW
:
PB
:
REC
CV1, 2
TUNE
CV4
TUNE
CV3
TUNE
RV2
FINE TUNE
T1
FM IF
CT2,L2
FM
FREQUENCY
COVERAGE
CT1,L1
FM
TRACKING
CT5, L5
SW
TRACKING
CT3, L3-1
MW
TRACKING
T2
AM IF
R-CH
+9V
D901
D901-904
RECT
D902
D903
D904
DRY BATTERY
SIZE "D"
(IEC DESIGNATION R20)
6PCS, 9V
MIC301
MIC
S303
ISS
1
2
S301-3
(REC/PB)
PB REC
S301-1
(REC/PB)
PB REC
S301-4
(REC/PB)
PB REC
R-CH
R-CH
PB IN
PB IN
REC
REC
MIC
MEGA BASS
RV353-1
(L-CH)
HYPER
TREBLE
RV352-1
(L-CH)
VOLUME
RV351-1
(L-CH)
S302-2
FUNCTION
TAPE
(RADIO OFF)
RADIO
S302-1
FUNCTION
TAPE
(RADIO OFF)
RADIO
D911
OPR/BATT
+9V
+9V
S902
(POWER)
M901
MOTOR
S1-6
BAND
LW
MW
SW
FM
S1-3
BAND
LW
MW
SW
FM
S1-8
BAND
LW
MW
SW
FM
S1-7
BAND
FM
SW
MW
LW
S1-5
BAND
FM
SW
MW
LW
S1-1
BAND
LW
MW
SW
FM
S1
BAND
S1-2
LW
MW
SW
FM
S1-4
LW
MW
SW
FM
+4V
D3
CT8
L4
LW OSC
CT7
CT5
L3-2
LW
L5
SW ANT
CT3
L3-1
MW
CT6
L6
SW OSC
CT4
L8
MW OSC
CT6, L6
SW
FREQUENCY
COVERAGE
L3
MW/LW
FERRITE-ROD
ANTENNA
L1
FM RF
J301
2
CT4, L8
MW
FREQUENCY
COVERAGE
CT8, L4
LW
FREQUENCY
COVERAGE
CT7, L3-2
LW
TRACKING
CFS-B5LMK2
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