Sony WM-FS555 User Manual

99
WM-FS555/FS556
4-2. BLOCK DIAGRAMS
29
32
56 55 28
52
53
29
51
50
44
30
31
45
42
35
38
40
54 47
36
19 - 51 - 4
25
26
23
24
22
20
21
43
34
46
M601
CAPSTAN/
REEL
MOTOR
VCC
U
AMP CTL
X-IN X-OUT BEEP
MB CTL
AVLS CTL
FWD/REV CTL
MUTE CTL
PRE CTL
S1-15
KO1
KO2
KO3
K1
K2
K3
K4
FWD/REV
SW
TAPE
BATT CHECK
COM1-4
RADIOON
BAND1
BAND2
LOCAL/DX
NORM/MET
IF-REQ
IF IN1
OSC IN
DO(OT)
V
W
U
+VCC
VCC
MPX IN
R-CH
FM IF IN
QUAD
AM IF IN
Q707
Q703
CF1
VREF
START
IN+
VCC
RF VCC
FM-MIX
DET
OUT
V
W
19
1
3 8
7
16
24
25
28
27
RESET
IC703
SYSTEM
CONTROL
IC701
TV/FM/AM RF AMP
FRONTEND
MPX
IC1
POWER AMP
IC301 (2/2)
PRE AMP
IC301 (1/2)
54
OUT VCC
1
2
30
29
TV
RF AMP
LOGIC
CIRCUITRY
FEEDBACK
DRIVE
OSC
FM
RF AMP
FM/TV
OSC
FM/TV
MIX
FM
DET
IF
BUFFER
SW
FM
MPX
19
18
20
16
AGC
BST
SW
MUTE
SW
AVSL
Q305
8
9
4
3
5
RF & REF
REG
Q302
25 26
26
4
7
8
11
12 13
21
22
16
15
14
20
19
1
AM
MIX
DC-DC
CONVERTER
Q401
PLL LOW PASS
FILTER
Q701.702
LCD701
LIQUID
CRYSTAL
DISPLAY
KEY
MATRIX
S702-711
AM
OSC
BUFFER
AM
DET
5 10
7
12
13
R-CH
VREF
Q306
+VH
R-CH
PW INA
PW NFA
+VCC
BST SW
PW MUTE
PREMUTE
OUTA
OUTC
AGC
IN
R-CH
Q303
D5
J301
HEADPHONE
S302
(FWD/REV)
S301
POWER
R-CH
Q704
INA
PRE AMP
PRE OUTA
PRE NFA
VREF
Q201
Q101
Q202
Q102
VREF
Q301
+VCC
L
R
REV
R
FWD
L
10
L7
TV
TRACKING
L7
(TV-RF)
L2
FM
TRACKING
L4,CT1
AM
TRACKING
L4
AM FERRITE-ROD
ANNTENNA
L2
(FM-RF)
L3
(FM-OSC)
L5
AM
FREQUENCY
COVERAGE
L5
(AM-OSC)
RV601
TAPE SPEED
CAPSTAN/REEL MOTOR DRIVER
IC601
1/8 OR
1/16
1/2
+VH
AM OSC
VT
AMB/P
AMRF IN
FM/TV OSC
FMRF OUT
FMRF IN
TVRF OUT
TVRF IN
T401
(TV)
D4
D2
D3
D1-1
D1-2
CT1
(FM)
RV301
VOLUME
X701
75kHz
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION LR6)
1PC, 1.5V
RESET P-CTL
Q705
D701
+VCC
MODE1
MODE2
L-OUT
R-OUT
LPF1
IF REQ
IF COUNT
OSC OUT
HP901
PLAY BACK
HEAD
AM-
MIX
X1
(FM-DISC)
CF-3
AF
JC2
S701
HOLD .
OFF
ON
EXCEPT US MODEL
EXCEPT US
MODEL
US MODEL
US MODEL
+
+
(LOCAL/DX)
(NORMAL/METAL)
w
: FM
: AM
: TAPE PLAY
• SIGNAL PATH
• R-ch is omitted due to same as L-ch.

Sony WM-FS555 Specifications

General

Brand	Sony
Model	WM-FS555
Category	Cassette Player
Language	English