Sony Walkman WM-PSY02, Руководство по обслуживанию

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IC601 LB1979V-TLM
r IC Block Diagrams
IC1 TA2111F-(EL)
1 2 3 4
21
5 6
22 18 23 24
7 8 9
FM RF IN
RF GND
AM LOW CUT
MIX OUT
AGC VCC
AM IF IN
FM IF IN
GND
TUN LED
ST LED
QUAD
R-OUT L-OUT LPF1 LPF2 MPX IN DET OUT AFC AM OSC FM OSC RF VCC
FM RF OUT AM RF IN
AF
BUFFER
AF
AMP
VCO
DIVIDE
DECODE
FM
MIX
AM
MIX AM
DET
AM
IF
FM RF
20
FM
OSC
AM
OSC
AGC
10
TUN
LED
FM
DET
LEVEL
DET
ST/MONO
FM/AM
FM
MUTE
FM
IF
11 12
ST
LED
13 14 15 16 17 19
2 3 5 4 6 7 8 9
10
1
11 12
13
14 15 16 17 18 19 20
SOFT
SW
MIX
CURRENT/MOTIVE
LOGIC
WAVEFORM
DETECT
PRE
DRIVER
OUTPUT
CORRENT DETECT
SPEED
DETECT
REFERENCE VOLTAGE
FOR SPEED CONTROL
POWER SUPPLY
BIAS
REFERENCE
VOLTAGE
OSCILLATOR
CIRCUIT
MOTIVE POWER
DETECT
+
–
FC GND FC RI OUT VSP IN+ VREF S/S COM OSC
WB
VCC
NC
U OUT V OUT
W OUT P-GND
VB UB
GND
SECTION 6
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
6-1. MAIN SECTION-1
1 X-3377-275-1 CABINET (FRONT) SUB ASSY (BLUE)
1 X-3377-276-1 CABINET (FRONT) SUB ASSY (PURPLE)
2 X-3377-277-1 CABINET (CENTER) SUB ASSY (BLUE)
2 X-3377-278-1 CABINET (CENTER) SUB ASSY (PURPLE)
3 3-007-011-01 SPRING (CASSETTE)
4 3-007-012-01 SPRING (TORSION)
5 X-3377-279-1 HOLDER SUB ASSY, CASSETTE (BLUE)
5 X-3377-280-1 HOLDER SUB ASSY, CASSETTE (PURPLE)
6 3-019-484-01 JOINT (MB)
7 3-035-412-01 KNOB (M/B) (BLUE)
7 3-035-412-11 KNOB (M/B) (PURPLE)
8 3-035-413-01 BUTTON (PRESET) (BLUE)
8 3-035-413-11 BUTTON (PRESET) (PURPLE)
9 3-035-415-01 LID, BATTERY CASE (BLUE)
9 3-035-415-11 LID, BATTERY CASE (PURPLE)
5
3
2
7
6
8
1
4
9
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
51 3-015-285-01 SCREW (M1.4),TOOTHED LOCK (WH)
52 A-3016-995-A MAIN BOARD, COMPLETE
53 3-007-009-01 TERMINAL (+), BATTERY
54 3-007-010-01 TERMINAL (-), BATTERY
55 3-035-421-01 BUTTON (STOP) ( p ) (BLUE)
55 3-035-421-11 BUTTON (STOP) ( p ) (PURPLE)
56 3-035-419-01 BUTTON (FF) ( ) ) (BLUE)
56 3-035-419-11 BUTTON (FF) ( ) ) (PURPLE)
57 3-035-418-01 BUTTON (PLAY) ( ” ) (BLUE)
57 3-035-418-11 BUTTON (PLAY) ( ” ) (PURPLE)
58 3-035-420-01 BUTTON (REW) ( 0 ) (BLUE)
58 3-035-420-11 BUTTON (REW) ( 0 ) (PURPLE)
* 59 1-694-178-11 CONNECTOR, RUBBER
*
60 3-007-007-01 HOLDER, LCD
LCD401 1-801-462-11 DISPLAY PANEL, LIQUID CRYSTAL
6-2. MAIN SECTION-2
MF-WMFX251-114
LCD401
52
53
51
60
59
54
56
55
57
58
101 3-013-560-11 BELT
102 X-3369-747-1 WHEEL ASSY, CAPSTAN
103 3-728-091-01 WASHER, STOPPER
104 3-923-530-01 SLEEVE (M)
105 3-921-335-01 WASHER, LEVER
106 3-920-990-01 SPRING (UD), COMPRESSION
107 3-007-762-01 STOPPER
108 3-938-613-01 LEVER (OW), DETECTION
109 3-703-816-31 SCREW (M1.4), SPECIAL HEAD
110 X-3372-959-1 CHASSIS COMP ASSY (GL-0)
111 3-703-816-73 SCREW (M1.4), SPECIAL HEAD
112 3-921-797-01 WASHER
113 X-3369-749-1 PINCH LEVER (N) ASSY
114 3-920-996-01 SPRING (PINCH N)
HP901 1-500-403-11 HEAD, MAGNETIC (PLAYBACK)
M901 1-763-073-11 MOTOR (INCLUDING PULLEY) (CAPSTAN/
REEL)
6-3. MECHANISM DECK SECTION
(MF-WMFX251-114)
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
111
113
112
114
110
109
108
107
106
105
104
103
102
101
HP901
M901