Sony Walkman WM-FX495, Service Manual

Page: 14 / 24

14 14
WM-FX495
5-4. SCHEMATIC DIAGRAM –MAIN SECTION (2/2) –
z
See page 15 for Notes.
S702 S703
S704 S705 S706
S707
S708 S709 S710 S711
S712
S713
S715
S714
PH751
FB1
0
µ H
R751 R756
R752
R753
R754
R714
R716
R713
C714
R719
C707
C705
C708
C706
C704
C710
C703
C702 X701
R723
R722
R728
R727
R726
R724
R729
R730
R709
C717
R701
L701
22
µ H
R725
R718
R706
R707
R
703
R702
R715
S701
C701
R721
R704
R705 R710
C712
R501
IC501
C501
R606
R604
R605
RV601
C605
C607
R609
R
603
TH
601
R601
C601
Q604 Q605 Q606
R613 R614 R615
R612
W5
C606 C608 R607 R608 C604 R602 C602
C603
C302
R409
R404
Q401
L401
22
µ H
220 µ H
R402 R405
R401
C402
C406
C405
T401
C401
R403 D402 R408
C403
C404
D401
C410
C412
R415
R411
C411
R
416
1416
C414
R410
R414
R417
C415
R412
C409
R413
L801
D801
C801
R801
IC701
R735 R734 R733 R732
C709
C713
LCD1
Q607
IC704
IC801
IC601
Q404
Q408
Q405
Q751
Q752
Q753
Q603
R708
S301
S601
JC3
330p
C49
NJL5197K-W
470 1M
470k
470k
1k
470k
47k
0.5%
22k
0.5%
1
220k
0.5%
0.1
0.1
0.1
0.1
0.1
10
4V
22p
10p
10k
10k
10k
10k
10k
10k
10k
10k
100k
0.5%
2200p
10k
0.5%
10k
100k
100k
100k
220k
1M
100k
0.5%
1000p
1k
47k
0.5%
100k
0.5%
470k
0.5%
1
1k
AK93C41AV-E2
EEPROM
1
1k
1k
2.2k
4.7k
0.1
0.01
220k
100
3.3K
22k
1
2SB970 2SB970 2SB970
470 470 470
1k
0.01 0.01 220k 220k 0.1 100 0.1
0.22
220
4V
100k
1k
2SB815B7-TB TSY
SWITCH
10k
0.5%
22k
0.5%
22
0.022
0.01
22
6.3V
TRANSFORMER
DC-DC CONVERTER
10p
1k MA111 1k
5p
2.2
MA8120
0.022
0.22
470k
R418
1.5k
1k
1000p
1M
220P
470p
47k
0.5%
47k
0.5%
22k
0.5%
0.47
4.7k
0.5% 0.01
10k
1SS367-T3SONY
47
4V
470k
TC9328-CFX1755
SYSTEM
CONTROL
220k 220k 220k 220k
22
4V
0.47
UN5216-(TX)
INV.
S-80808ANNP-E7Y
RESET
XC6383C251ML
+2.5V
SWITCHING REG
MM1279XVBE
CAPSTAN/REEL
MOTOR DRIVE
2SC4154TP-1EF
LPF
2SC4154TP-1EF
LPF
2SC4154
OSC
UN5216-(TX)
INV.
2SB1218A-(TX)
SWITCH
DTC144TUA
SWITCH
2SC4154
SWITCH
100k
0.5%
(MD CONT)
0.01
B
M
ONO/STEREO
LOCAL/DX
R
EM
O
TE
AV
LS CTRL
M
U
TE CTL
AM
P CTR
L
M
B CTL
F/R
CTR
L
PR
E CTRL
VT
R
AD
IO
ON
BEEP
PW
GND
G
ND
1.5V
M
O
DE 1
M
OD
E 2
IF COU
NT
REQSW
O
SC OUT
REW
FF
/RADIO OFF ENTER 4 FM
AM
3
MENU
SET 2
1
5
DIRECTION
IC201
XC62RP1602MR
ON OFF
HOLD
TAPE
SPEED
MOTOR
CAPSTAN/REEL
+1.6V REG
DRY BATTERY
SIZE"AA"
(IEC DESIGNATION LR6)
1PC,1.5V
US