18
18
WM-FX700/FX890/FX900
6-3. SCHEMATIC DIAGRAM — MAIN SECTION (1/3) —
C38
C20
C39
C33
D4
R10
CT1
C23
R8
D1
C24
C19
R7
R9
C30
C29
C37
C40
L3
C28
R6
C36
D3
R11
C1
BP1
C17
C16
R4
C4
C13
R3
C45
C11
C43
R21
R2
R22
R19
R18
R17
R13
R24
R23
C44
C14
C12
R1
C8
C46
C2
C7
X1
CF2
C9
C15
C6
CF1
FL1
C3
R12
C5
C10
C410
C411
R406
L403
22
µ
H
C413
T401
D403
Q401
D404
C407
Q402
Q403
R405
C408
L402
22
µ
H
C406
C404
C403
R403
R402
D402
R411
C402
C401
C415
R412
C416
C414
R415
R413
C409
L401
220
µ
H
D401
R401
R409
R410
R408
R414
R25
D5
L5
C34
C31
L1
C35
IC1
Q2
Q3
Q1
Q405
Q406
IC401
Q404
Q407
R26
L7
C417
C412
R407
R404
R786
C21
0.001
0.0022
220p
3p
MA2S357
100k
10p
0.022
470k
SVC347
0.022
0.01
10k
470k
470p
10p
10p
2p
22nH
100p
100k
100p
MA2S357
1k
0.001
0.01
0.01
2.2k
0.1
*
2
2.2k
0.047
*
1
0.01
10k
2.2k
10k
10k
10k
4.7k
4.7k
1k
100k
0.01
*
2
*
1
1k
0.47
0.047
4.7
6.3V
470p
AM IF
47
4V
0.1
4.7
6.3V
FM IF
0.001
1k
0.047
0.022
10
6.3V
1
1k
1
DC/DC
MA2S111
2SD1048
MA2SD1000L
10
6.3V
2SC4617TL-Q
12A02S-TL
2.2k
0.01
1
0.022
0.01
470
4.7k
MAZS130
47k
0.5%
0.022
2.2
16V
0.47
4.7k
0.5%
220p
470p
22k
0.5%
10k
0.01
ISS367
470k
4.7k
220k
1k
47k
0.5%
0
0.0022
0.022
22.7P
0.0022
TA2154FN(EL)
XP4501
BUFFER
UMG6N
MUTE
12A02S-TL
SWITCH
UMZ8NTR
SWITCH
12A02S-TL
SWITCH
XC6383C251ML
SWITCHING
REGULATOR
2SC4617TL-Q
LPF
2SC4617TL-Q
LPF
0
0
0.1
22
4V
47k
47
1k
0.0022
2.5V
ANT
R OUT
L OUT
RF OUT
1.5V
GND
MUTE CTL
PRE CTL
AMP CTL
BAND1
BAND2
LOCAL/DX
MONO/STEREO
IF IN
OSC IN
MIC/RADIO
D0
*
3
*
D5
US,E,HK,KR,JE
EA,CH
MA2SP0100LSO
METAL CHIP 0
*
2 C13, 14
EXCEPT US
US
0.1
0.047
*
1 C11, 12
EXCEPT US
US
1000p
4700p
L5
AM
ANTENNA
FERRITE-BAR
L4
AM
FM
TRACKING
L1
FM/AM FRONT-END
IF DET,FM MPX
CONVERTER
T701,Q401-403
DC/DC
US,E,HK,KR,JE
US,E,HK,KR,JE
TRACKING
AM
TRACKING
CT1
