Sony MW-FX277, Service Manual

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61 X-3376-169-1 CLUTCH ASSY
62 3-920-990-01 SPRING (UD), COMPRESSION
63 3-921-335-01 WASHER, LEVER
64 3-923-530-01 SLEEVE (M)
65 3-728-091-01 WASHER, STOPPER
66 3-938-613-01 LEVER (OW), DETECTION (FX277)
67 3-703-816-31 SCREW (M1.4), SPECIAL HEAD
68 3-016-989-01 SPRING (SW-CP)
69 X-3376-206-1 CHASSIS COMP ASSY (GL-02) (FX277)
HP601 1-500-641-11 HEAD, MAGNETIC (PLAYBACK) (FX277)
M601 1-763-073-11 MOTOR(CAPSTAN/REEL) (INCLUDING PULLY)
– 20 – – 22 – – 21 –
z
IC Block Diagrams.
IC301 LB8115W-NA-TLM
1
2
36
35
34
33
32
31
30
29
28
27
26
25
13 14 15 16
17
18 19 20 21 22 23 24
48 47 46 45 44 43 42 41 40 39 38 37
COM
RI
VREF
POWER OUT
(COM)
POWER OUT (R)
VCC
POWER MUTE
POWER IN (L)
POWER IN (R)
MIX OUT (L)
MIX OUT (R)
LP.2
HP IN (R)
HP IN (L)
DET OUT
MVREF
IN
+
VSP
MIX IN (R)
MIX IN (L)
LOW BOOST SW
M-GND
R.VREF
SYSTEM
POWER OUT (L)
POWER GND
MVCC DR WOUT MP-GND VOUT UOUT FC OUT OSC UB VB WB
3
4
5
6
7
8
9
10
11
12
PRE NF (L)
PRE OUT (R)
PRE NF (R)
FWD IN (R)
REV IN (R)
REV IN (L)
FWD IN (L)
S/S
PRE GND
PRE OUT (L)
BIAS
R.F
REF
SYS
CONT
DET
VREF
SPEED
LOW
BOOST
PRE DRIVER
OPERATION LOGIC
OSC
PLUSE DET
REF
VOLTAGE
REF VOLTAGE
FOR SPEED CONTROL
CURRENT
DET
OPERATION
DET
FWD/
REV
FREQ
CARC.
+
–
IC1 CXA1960Q
+
–
12
13
14
19
15
TVIN MREF GND FMIB IFCT NC FMIN FMR
O
OLAG ARFI
REGV
TVRO
FTLO
BAND
TUNE
PLLO
FALC
COMP
37
38
39
40
AAGC
DETO
PLT2
MPXI
MPRM
V12M
MUTE
PLT1
PLL1
PLL2
MPX DECODER
AM BPF
PSN
1/X
FM/TV
LPF
PD VCO 1/2 1/2
STID
14V
PLAP
TUNE
38kHz
STEREO AUDIO R
STEREO AUDIO L
19kHz
1.65V
1.25V
36
8 9 10
VCO
STID
MCNT
GND
VCC
1 4 2 3 5 6
MPRG
LOUT
ROUT
DDCN
PLLI
7
+
–
+
–
35
34
FM DET
150kHz
FM LMT
OL DET
TV RF
AMP
FM RF
AMP
AM RF
AMP
45kHz
31
32
33
MUTE
AGC AMP
AM AGC
1.25V AM/FM: 1/2
TV: 1/8
1.25V
18
17
16
FMBF
AMLO
AM OSC
FM/TV OSC
20
30 29 27 28 23 24 25 26 22 21
11
SECTION 5
EXPLODED VIEWS
NOTE :
• -XX, -X mean standardized parts, so they
may have some difference from the original
one.
• Color indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ••• (RED)
↑ ↑
Parts color Cabinet's color
• Items marked “ * ”are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference
number in the exploded views are not
supplied.
• Hardware (# mark) list and accessories and
packing materials are given in the last of this
parts list.
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
5-1. CABINET SECTION
1 3-044-867-01 CABINET (FRONT) (FX467,FX467ST)
1 3-044-867-11 CABINET (FRONT) (FX277)
2 3-044-868-01 WINDOW (LCD) (FX467,FX467ST)
2 3-044-868-11 WINDOW (LCD)(SLIVER) (FX277)
2 3-044-868-21 WINDOW (LCD)(BLUE) (FX277)
3 3-044-869-01 KNOB(HOLD)
4 3-044-870-01 BUTTON (PRESET)
4 3-044-870-11 BUTTON (PRESET) (FX277)
5 3-015-285-01 SCREW(M1.4),TOOTHED LOCK (WH)
6 A-3021-322-A MAINBOARD, COMPLETE (FX467,FX467ST)
6 A-3021-323-A MAINBOARD, COMPLETE (FX277)
7 3-044-865-01 STOPPER
8 3-007-006-21 BUTTON (STOP)
9 3-007-004-21 BUTTON (FF)
10 3-030-054-01 BUTTON (PLAY)
11 3-007-005-21 BUTTON (REW)
12 3-044-864-01 CASSETTE, HOLDER
13 3-007-012-01 SPRING (TORSION)
14 X-3378-641-1 CABINET (CENTER) SUB ASSY
(FX467,FX467ST)
14 X-3378-642-1 CABINET (CENTER) SUB ASSY (FX277)
15 3-007-011-01 SPRING (CASSETTE)
17 3-030-055-01 TERMINAL (+), BATTERY
18 3-007-010-01 TERMINAL (-), BATTERY
*
19 1-694-218-31 CONNECTOR, RUBBER
*
20 3-044-866-01 HOLDER, LCD
L3 1-754-124-11 ANTENNA, FERRITE-ROD (AM TRACKING)
ND701 1-803-944-11 PANEL, LIQUID CRYSTAL DISPLAY
L3
ND701
not
supplied
1
2
3
4 5
6
7
8
9
10
11
12
13
14
15
17
18
19
20
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
5-2. MECHANISM DECK SECTION (WM-FX277)
(MF-WMFX277-114)
HP601
M601
not
supplied
51
52
53
54
55
55
56
56
58
59
68
61
62
63
64
65
66
67
57
69
60
not
supplied
not
supplied
not supplied
not
supplied
not
supplied
51 X-3369-749-1 PINCH LEVER (N) ASSY
52 3-920-996-01 SPRING (PINCH N)
53 X-3372-619-1 WHEEL ASSY (P), CAPSTAN
54 3-703-816-73 SCREW (M1.4), SPECIAL HEAD (FX277)
55 3-921-042-01 GEAR(REEL)
56 3-921-797-01 WASHER
57 3-036-664-11 SPRING (FR LEVER OWN) (FX277)
58 3-013-560-11 BELT (FX277)
59 3-015-436-01 SPRING (STOP)
60 3-013-142-01 SPRING (FR-CP)
51 X-3369-749-1 PINCH LEVER (N) ASSY
52 3-920-996-01 SPRING (PINCH N)
53 X-3372-619-1 WHEEL ASSY (P), CAPSTAN
54 3-703-816-73 SCREW (M1.4), SPECIAL HEAD (FX277)
55 3-921-042-01 GEAR(REEL)
56 3-921-797-01 WASHER
57 3-036-664-11 SPRING (FR LEVER OWN) (FX277)
58 3-013-560-11 BELT (FX277)
59 3-015-436-01 SPRING (STOP)
60 3-013-142-01 SPRING (FR-CP)
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TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
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