Sony CFM-20

1111
CFM-20
SECTION 4
DIAGRAMS
4-1. BLOCK DIAGRAMS
• Signal path.
F : FM
f : AM
E : PB
a : REC
N : MIC
• Abbreviation
SP : Singapore
HK : Hong Kong
AR : Argentina
MX : Mexican
IT : Italian
TW : Taiwan
C&SA : Central and South America
CET : East European & Russian
ANT1
CT2
CT1
CV1
CV2
CF1
CF2
ECM
101
M
101
SP101
J101
F901
HRP101
HE101
RV101
T1
L5
L1
L2
J901
CT4
CT3
CV3
CV4
D903
D104
D101
D103
S501
SP101
L4
FM
TELESCOP
IC
ANTEN
N
A
SPRAKER
SPRAKER
QU
AD
AM
RF IN
FM
RF OUT
BAND
SEL
FM
OSC
AM
OSC
D
ET O
UT
FM
R
F IN
M
IX
OUT
FM
IF IN
AM
IF IN
IF AM
P,D
ET,FM
M
PX
R
ADIO
+B
REEL/CAPSTAN
M
OTOR
(TAPE POW
ER)
M
IC
S102
PB/REC
REC/PB
HEAD
ERASE
HEAD
TRANSFORM
ER
POW
ER
T901
IN
MIC
IN
P
RE/POW
ER
AM
P
POWER
ON/OFF
AUX
TAPE
AUX
HEAD IN
(+)
HEAD IN
(-)
BTL1
BTL2
REC/PB
DRY BATTERY
SIZE"D"
(IEC DESIGNATION R20)
4PCS,6V
D901,902
RECT
+B
REG
+B
VOLUM
E
BIAS
BIAS
LINE
OUT
IN
POWER
IC1
IC101
AC IN
AM
AN
TENNA
L3
FM
/AM
FRON
T-EN
D
RADIO
+B
TRANSFORM
ER
POW
ER
T901
D901,902
RECT
REG
Q101
RIPPLE
FILTER
FERR
ITE-BAR
TRACKING
COVERAGE
FREQUENCY
M
W
FM
C
OVERAGE
FREQUENCY
TR
ACKIN
G
FM
AM
IF
CT3,L4
CT4,L3
AM
CT2,L1
CT1,L2
FM
DET
AC IN
OPR/BATT
+B
+B
RADIO +B
FU
NCTION
TAPE/
RADIO OFF
AM
FM
FUNCTION
TAPE/
RADIO OFF
AM
FM
S101-1
S101-2
AEP,UK,CET,IT,AR,HK,SP
M
X,C&
SA,TW
AEP,UK,CET,IT,AR,HK,SP
AEP,UK,CET,IT,AR,HK,SP
M
X,C&
SA,TW
AM
OSC