Diagrams; Block Diagram - Sony Wm-Ex527 Service Manual

WM-EX527
SECTION 6
Q Q
3 7 6 3 1 5 1 5 0

DIAGRAMS

6-1.

BLOCK DIAGRAM

HP901
(PLAYBACK)
FWD
IN-L
L-CH 1
PREAMP
5
FWD
REV
IN-L
R-CH R-CH
METAL
R-CH
CONTROL
L-CH
REV
44 46
R-CH R-CH
S701
FWD (DIRECTION)
CENTER
(TAPE DETECT)
T E
REV L 1 3 9 4 2 2 9 6 5 1 3
3 16 13
D705
LED AVLS 39
AVLS
D706
LED BL SKIP 40
BL SKIP/
D703
LED BATT 31
BATT
PHOTO REFLECTOR
PHOTO IN 8 SWITCH & BUFFER
Q702
w w w
PHOTO CTL 10
PLUNGER
PM CTL 38
DRIVE
Q701
AUDIO MASTER AMP
IC301
RV301-1
VOL
PRE
OUT-L
7
EQ
MTL
DRV-L
R-CH
8
AVLS CONTROL
SWITCH
Q304
+
S901-2
R-CH
(ATS)
MEGA BASS/GROOVE
S901-1
18
26 27 5 34
X701
4MHz
ROTATION DETECT
SENSOR
DDC B+ PH701
M901
(CAPSTAN/REEL)
W
x a o
y
PM901
. (PLUNGER) i
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BATT B+
RIPPLE FILTER
Q301
17 18 19
BASE VCC
RF OUT
PW
POWER AMP
IN-L
28
POWER AMP
R-CH
PW
IN-C
32
BASS BOOST
BST AMP
OUT
PW
33 V/I
NF-L
AMS
EQ-L
AGC R-CH
IN
12 AMS
DET
40 43 35
SWITCHING
Q303
Q Q
3 7 6
19 4 20
SYSTEM CONTROLLER
IC701
RV601
TAPE SPEED
COMPARATOR
IN+
OUT 10
+
11
VSP
–
9
SPEED
CONTROL
U
19
MOTOR SWITCH &
OSC
V
1 DRIVE
LOGIC
CIRCUIT
W
CIRCUIT
CIRCUIT
3
U
DIRECTION CONTROL
V
6 5
u 1 6 3
.
12 12
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2 4
8 9 9
PW OUT-L
+
20
PW OUT-R
+
22
PW OUT-C
21
POWER AMP
BEEP
29
30
39 41 42
3 1 5 1 5 0 8 9 2
15 36 11 30 14 2
35 33 1 25 12
BATT B+
RESET SIGNAL
GENERATOR
IC703
THP601
7
DDC B+
VREF
BIAS
START
REFERENCE 8
VOLTAGE
CAPSTAN/REEL
R-ch is omitted due to same as L-ch.
m
MOTOR DRIVE
SIGNAL PATH
IC601
c o
2
8 9 9
J301
BATT B+
VCC
DATA
REMO
GND
S707
HOLD
HOLD
S702 – 706, 708 OFF
4 9 8 2 9 9
DDC B+
COMPARATOR
IC704
BATT B+
DC/DC
CONVERTER
DRY BATTERY
D702, IC702, L701
SIZE AA
(IEC DESIGNATION R6)
1PC. 1.5V
: PLAYBACK