Exploded Views; Cabinet Section - Sony WM-FX477 Service Manual

• IC Block Diagrams
IC1 TA2104
FM RF OUT RF VCC AM RF IN FM OSC AM OSC
24 23 22 21 20
AM
OSC
FM
OSC
BUFF
BUFF
AM
MIX
FM FM
RF MIX
1 2 3 4 5
RF GND FM RF IN AM LOW MIX OUT VCC
CUT
IC301 LB8115W-TLM
48 47 46 45 44 43 42 41 40 39
PRE DRIVER
FWD/
REV
COM
1
OPERATION LOGIC
OSC
REF
VOLTAGE
OPERATION
PLUSE DET
DET
CURRENT
RI 2
DET
REF VOLTAGE
FOR SPEED CONTROL
S/S BIAS
3
PRE GND
4
DET
PRE OUT1 5
6
PRE NF1
7
PRE OUT2
8
PRE NF2
PRE FWD IN1 9
PRE REV IN1 10
PRE FWD IN2 11
PRE REV IN2 12
REF
SYS
CONT –
+
VREF
R.F
13 14 15 16 17 18 19 20 21 22
OSC OUT ST LED IF REQ DET OUT LPF1
19 18 17 16 15 14
IF
AF
REQ
SW
ST
AF
BUFF
VCO
DECODE
DIVIDE
IF
BUFF
LEVEL
1/8
DET
AM FM
ST/MO
DET DET
FM/AM
AGC
AMIF FMIF
MUTE
6 7 8 9 10 11
AM IF IN FM IF IN GND AGC QUAD R-OUT
IC331 NJM2185V
GND
38 37
IREF
BIAS
VREF CIRCUIT
INL
FREQ
CARC.
OUTL
DCL
DETL
36
SPEED VSP
+
35 IN
34
MVREF
33
M-GND
LOW
32
LOW BOOST SW
BOOST
31 DET OUT
30
LOW BOOST IN1
29 LOW BOOST IN2
28
R.P1
27 R. P2
26 LP.2
25
MIX OUT2
23 24
– 25 –
NOTE:
• The mechanical parts with no reference
number in the exploded views are not supplied.
• Items marked "*" are not stocked since
they are seldom required for routine service.
LPF2
Some delay should be anticipated
13
when ordering these items.
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.

6-1. CABINET SECTION

14
12
13
L-OUT
ND701
VCC
24
ON/OFF
VEXT
INR
7
OUTR
8
DCR
DETR
L2
5
4
3
1
11
SECTION 6

EXPLODED VIEWS

• Color Indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ... (RED)
Parts Color Cabinet's Color
• Accessories and packing materials are
given in the last of this parts list.
15
12
10
6
17
9
12
18
20
MF-WMFX483-147 21
2
23
– 26 –
• Abbreviation
CND : Canadian model.
C&SA : Central and South America
model.
CH : Chinese model.
FR : French model.
CEV : Poland, Czech, Greece and
Turkey model.
EE : East European model.
9E : No indication of country of
origin.
E : Indication of country of origin.
16
not supplied
19
17
22