Exploded Views; Cabinet Section - Sony WM-FX271 Service Manual

• IC Block Diagrams
IC1 TA2111F
24 23 22 21 20
FM AM
OSC OSC
AM
MIX
FM
MIX
FM RF
1 2 3 4 5
IC301 LB8115
48 47 46 45 44 43
FWD/
REV
COM 1
OSC
REF
VOLTAGE
OPERATION
DET
CURRENT
RI 2
DET
BIAS
S/S
3
PRE GND
4
5
PRE OUT1
PRE NF1 6
7
PRE OUT2
8
PRE NF2
PRE FWD IN1 9
10
PRE REV IN1
PRE FWD IN2 11
12
PRE REV IN2
SYS
CONT
R.F
REF
13 14 15 16 17
19 18 17 16 15 14 13
AF
AMP
DECODE
AF VCO
BUFFER DIVIDE
FM ST/MONO
MUTE FM/AM
AM FM LEVEL
DET DET DET
TUN ST
AM FM
AGC
LED LED
IF IF
6 7 8 9 10 11 12
42 41 40 39 38 37
FREQ
PRE DRIVER CARC.
OPERATION LOGIC
PLUSE DET
36
SPEED VSP
+
35 IN
REF VOLTAGE
34
MVREF
FOR SPEED CONTROL
33
M-GND
LOW
32 LOW BOOST SW
BOOST
DET 31 DET OUT
30
LOW BOOST IN1
29 LOW BOOST IN2
28
R.P1
27
R. P2
26
LP.2
–
25
MIX OUT2
+
VREF
18 19 20 21 22 23 24
– 17 –

EXPLODED VIEWS

NOTE:
• The mechanical parts with no reference
• Color Indication of Appearance Parts
number in the exploded views are not supplied.
Example :
• Items marked "*" are not stocked since
KNOB, BALANCE (WHITE) ... (RED)
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
• Accessories and packing materials are
• -XX and -X mean standardized parts, so
given in the last of this parts list.
they may have some difference from the
original one.

6-1. CABINET SECTION

4
LCD701
13
12
L1
14
not
supplied
3
1
Ref. No. Part No. Description
1 X-3376-891-1 HOLDER (SUB) ASSY, CASSETTE
(FX271:US,CND,EE,E,C&SA,CH)
1 X-3376-893-1 HOLDER (SUB) ASSY, CASSETTE
(AEP,2AEP,FR,9E,CEV)
1 X-3377-162-1 HOLDER (SUB) ASSY, CASSETTE (FX275)
2 3-007-012-01 SPRING (TORSION)
3 3-007-011-01 SPRING (CASSETTE)
* 4 3-030-057-01 HOLDER, LCD
5 3-007-006-21 BUTTON (STOP)
6 3-007-004-21 BUTTON (FF)
7 3-030-054-01 BUTTON (PLAY)
8 3-007-005-21 BUTTON (REW)
9 X-3376-890-1 CABINET (FRONT) SUB ASSY (FX271)
9 X-3377-161-1 CABINET (FRONT) SUB ASSY (FX275)
10 3-015-285-01 SCREW (M1.4), TOOTHED LOCK (WH)
11 3-030-058-01 BUTTON (PRESET)
12 3-007-010-01 TERMINAL (-), BATTERY
SECTION 6
• Abbreviation
CND : Canadian model
CEV : Poland, Czech, Greece and Turkey
model
Parts Color Cabinet's Color CH : Chinese model
2AEP : Earphone (MDR-023) model
EE : East European model
FR : French model
C&SA : Central and South America model
9E : No indication of country of origin
E : Indication of country of origin
AEP : Headphone (MDR-E805LP) model
17
15
9
10
11
16
MF-WMFX171-114
8
7
5
6
2
Remark Ref. No. Part No. Description
13 3-030-055-01 TERMINAL (+), BATTERY
14 X-3376-892-1 CENTER SUB ASSY, CABINET (US,CND,C&SA)
14 X-3376-894-1 CENTER SUB ASSY, CABINET
(EXCEPT US,CND,C&SA)
15 A-3021-177-A MAIN BOARD, COMPLETE (FX271:US,CND)
15 A-3021-178-A MAIN BOARD, COMPLETE (AEP,CEV,CH)
15 A-3021-179-A MAIN BOARD, COMPLETE (2AEP)
15 A-3021-180-A MAIN BOARD, COMPLETE (EE)
15 A-3021-181-A MAIN BOARD, COMPLETE (E,9E)
15 A-3021-183-A MAIN BOARD, COMPLETE (FR)
15 A-3021-184-A MAIN BOARD, COMPLETE (C&SA)
15 A-3021-215-A MAIN BOARD, COMPLETE (FX275)
16 3-007-762-01 STOPPER
17 3-030-056-01 RUBBER, CONDUCTIVE
L1 1-501-961-11 ANTENNA, FERRITE-ROD (AM)
LCD701 1-803-305-11 DISPLAY PANEL, LIQUID CRYSTAL
– 18 –
Remark