Sony Walkman WM-FX888, Руководство по обслуживанию

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WM-FX888
14 14
W V
U
+
–
PREAMP
AMS
AGC
DET
BEEP
V/I
EQ
METAL
CONTROL
SPEED
CONTROL
DIRECTION CONTROL
PHOTO REFLECTOR
SWITCH & BUFFER
Q15
PLUNGER
DRIVE
Q16, 17
AVLS CONTROL
SWITCH
Q305
MEGA BASS/
GROOVE
SWITCHING
Q302
RIPPLE FILTER
Q301
RIPPLE FILTER
+1.6V
REGULATOR
IC6
B+ SWITCH
Q804, 805
ROTATION DETECT
SENSOR
PH1
CAPSTAN/REEL
MOTOR DRIVE
IC601
SYSTEM CONTROLLER,
LIQUID CRYSTAL DISPLAY DRIVER
IC3 (2/2)
S3 – 10
M601
(CAPSTAN/REEL)
DOLBY NR
AMP
IC302
HP901
(PLAYBACK)
AUDIO MASTER AMP
(FWD/REV SELECT, PLAYBACK EQ AMP)
IC301 (1/3)
AUDIO MASTER AMP
(BASS BOOST AMP, AMS, POWER AMP)
IC301 (2/3)
AUDIO MASTER AMP
(RIPPLE FILTER)
IC301 (3/3)
: TUNER (FM/AM)
MOTOR
DRIVE
CIRCUIT
SWITCH &
LOGIC
CIRCUIT
BIAS
REFERENCE
VOLTAGE
OSC
CIRCUIT
REVIVE/GROOVE
SWITCHING
Q303
COMPARATOR
IC5
DC/DC
CONVERTER
T801, Q801
DC/DC
CONVERTER
IC801
POWER
CONTROL
Q802, 803
DRY BATTERY
SIZE “AA”
(IEC DESIGNATION R6)
1PC. 1.5V
(BATTERY CASE)
RECHARGEABLE
BATTERY
(NI-CD)
(NC-6WM 1.2V)
BATT B+
(1.5V)
2.5V B+
1.6V B+
2 5
1
1.6V B+
X2
75kHz
Q601
SPEED
CONTROL
SWITCH
THP601
TAPE SPEED
RV601
START
VREF
IN+
COMPARATOR
VSP
OUT
VCC
DATA
REMO
GND
BATT B+
BASE
PW-OUT-L
PW-OUT-R
PW-OUT-C
POWER AMP
POWER AMP
POWER AMP
PW
NF-L
BASS BOOST
AMP
PW
IN-L
PW-
IN-C
BST-
OUT
VOL
RV301
HOLD
S2
i
J701
IN-L OUT-L
S901-2
(ATS)
PRE-
OUT-L
MTL-
DRV-L
FWD-
IN-L
REV-
IN-L
L-CH
R-CH
FWD
L-CH
R-CH
REV
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
S1
(DIRECTION)
OSC
OSC-CTL
MOTOR-DIR
AMS-OUT
SW
F/R SW M/N SW
61
8
7
5
DR
6
10
9
11
W
3
V
1
U
19
36
XOUT
74
XIN
75 51
18
VCC
19
RF-
OUT
17
2.5V B+
20
22
21
29
EQ-L
30
40
BST
-SW
43
AGC -IN
35
BEEP
39
28
32
33
AMS-
IN
12
4 5 7
8
46 44
F/R-CTL (PLA
Y)
29
TAPE
52
F/R-SW
44
DOLBY
-CTL
59
DOLBY VCC-CTL
23
A
VLS-CTL
54
MB/GRV
-CTL
57
AMS-IN
37
BST
-CTL
55
RV
-CTL
S1/2-CTL
56
24
MOTOR-CTL
50
BEEP
49
MT
-SW
41
MUTE-CTL
28
PRE-SW
45
PRE-CTL
27
PW
-SW
42
AMP-CTL
58
R-DA
TA-OUT
31
R-DA
TA-IN
34
KEY-IN 43
HOLD-SENS
35
HOLD-SW 41
W
AKE-UP
67
1
5
S901-1
(TAPE DETECT)
14
VCC
13
+
+
+
+
B+ SWITCH
Q304
FWD
STOP
REV
OFF
HOLD
PHOTO-IN 39
PHOTO-CTL 38
PH-CTL
PM901
(PLUNGER)
60
2.5V B+
DDC2 CTL
40
DDC1-CTL
62
RADIO-CTL
B
(Page 13)
TUNER L-CH
A
(Page 13)
ANT
D
(Page 13)
MUTE
C
(Page 13)
DDC2 CTL
EEPROM
IC4
LIQUID CRYSTAL DISPLAY
LCD1
DA
TA
I/O
47
M-CLOCK
48
2 1
CS
SK
3
DI
4
DO
CS
46
COM1 – COM4
5 – 22
S1 – S18
1 – 4
30
BAND FM/AM
B+ SWITCH
Q8
Q20
D804
D803
D802
VT B+
PLL LOW-PASS FILTER
CIRCUIT B+
RADIO B+
FM/AM TUNER
CIRCUIT B+
RF B+
FM/AM TUNER
CIRCUIT B+
B+ SWITCH
Q9
FM B+
(FM TUNER CIRCUIT B+)
•
SIGNAL PATH
•
R-ch is omitted due to same as L-ch.
: PLAYBACK
CHARGING
STAND
– +
DC IN 4.5V
6-2. BLOCK DIAGRAM – MAIN Section –
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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