WM-FS111
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAM
— 11 —
— 12 —
8
AM IF IN
FM IF
IN
7
IC301
19
L
R
2
1
23
18
17
12
16
T1
CF1
450kHz
10.7MHz
10.7MHz
CF2
RV301
VOL
M901
REEL/CAPSTAN
MOTOR
16
5
15
11
14
L
OUT
13
R
OUT
AM OSC
FM OSC
FM RF OUT
AM RF IN
FM RF IN
IC601
SERVO AMP
IC1
FM/AM RF,IF AMP
DET,MPX
J301
4
5
6
15
14
18
7
6
12
D301
BATT
RV601
TAPE SPEED
S304
RIPPLE
FILTER
SWITCH
VCC2
15
LP1
LP2
VREF
VREF
PRE
OUT
(L)
PWR-
IN L
PWR-
IN R
PRE
OUT
(R)
L2
FM
TRACKING
CT2
CV1(2/4)
X2
DET
OUT
MPX
IN
L3
FM
FREQUENCY
COVERAGE
CT3
CV1(3/4)
20
L4
AM
FREQUENCY
COVERAGE
CT4
CV1(4/4)
24
L1
AM
TRACKING
CT1
CV1(1/4)
FL1
22
VCC1
14
21
MEGA BASS
MEGA
BASS
MEGA
BASS
S306
VREF
13
PWR
(L)
PWR
(R)
BPF
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION R6)
2PCS, 3V
CV1,CTI-CT4
TUNING
AM IF
4
AM/FM
MIX
6
OFF
ON
AVLS
: FM
• Signal path
: PB
S305
LIMIT
NORM
LOCAL
DX
MONO
FM MODE
TAPE SEL
FM SENS
ST
FM
AM
TAPE(RADIO OFF)
METAL
NORM
S302
/
/
20
16
U
U
V
V
W
W
IN+
Vcc 2
START 3
17
VREF
L1
AM
FERITE-ROD
ANTENNA
Q5,Q6
BAND
SWITCH
Q1
LOCAL/DX
SWITCH
US,CND,MX
MODEL
HP301
PLAYBACK
HEAD
PRE-POWER AMP
Vcc
Vcc
Q201,Q202
Q101
Q102
VREF
Q203
AVLS
SWITCH
Q103
AVLS
SWITCH
COM
PRE-MUTE
PRW-MUTE
Q7,Q8 MONO/ST
SWITCH
AEP,E MODEL
AEP,E MODEL
US,CND,MX MODEL
Vcc
Vcc
Q104
SWITCH
SWITCH
3
4
Q204
SWITCH
SW-OUT
(R)
SW-OUT
(L)
NF
NF
Q304
Q305
Q308
Q306,Q307
Q3,Q4
Q2
SWITCH
MUTE
Q301
S301
FUNCTION
• Abbreviation
CND : Canadian model
MX
: Mexican model
