– 11 –
– 12 –
WM-EX9
6-2. BLOCK DIAGRAM
AMS IN
BEEP
BOOST CTL
F/R CTL
DOLBY CTL
MEGA BASS CTL
REVIVE CTL
XTO
XTI
CASSETE SW
MUTE CTL
PHOTO (T) CTL
PHOTO (T) IN
39
36
20
8
7
10
9
28
29
5
12
18
38
PHOTO (S) IN
37
PHOTO (S) CTL
19
1/2
48
MOTOR START
41
MOTOR U
47
MOTOR V
46
MOTOR W
45
CTRL 1
44
CTRL 2
43
MOTOR DIR
42
P SIG
40
X701
32.768kHz
M/N
CONTROL
Q703
PRE OUT
CONTROL
Q102
PRE OUT
CONTROL
Q202
DOLBY
REG
Q305
MB & RV
CONTROL
Q303
PLUNGER
DRIVER
Q701
RESET
IC704
REVIVE
CONTROL
Q302
RIPPLE
FILTER
VOL MAX
SW
Q103,203
VOL MIN
SW
Q104,204
RIPPLE
FILTER
Q301
METAL
SW
Q101,201
EQ AMP CTL
FOR METAL
Q306
T REEL
SENS
PH702
MOTOR
SW
Q601
-1
(TAPE IN)
-2
(ATS)
15
19
10
41
39 40
42
43
44
46
S REEL
SENS
PH701
1/2 SPEED
SW
Q604
MOTOR
START SW
Q602
Q702 (1/2)
Q702 (2/2)
RV601
TAPE
SPEED
21
30
29
28
S704
16
17
15
1
36
35
4
5
6
7
8
9
10
31
32
34
19
2
MOTOR SERVO
IC601
9
11
13
2
4
6
8
10
12
1
3
5
MOTOR
SW
Q603
11
6
8
1
2
SWITCH
SWITCH
BEEP
M/N
F/R
BST
PW
MT
AMS DET
VCC
PRE OUT R
PRE OUT L
+
–
+
–
7
5
4
3
AUDIO AMP
IC301 (1/2)
VREF
FWD L
FWD R
REV L
REV R
L
R
L
R
REF V
ICI1
VI1
VI2
IV
U IN
V IN
W IN
CTRL 1
CTRL 2
DIR
PSIG
UT
VT
WT
UT
VT
WT
WS
VS
US
TU
TW
TV
TU
TW
TV
W
V
U
W
V
U
C
04
WS
VS
US
W OUT
V OUT
U OUT
MCENTER
MC
B+
(+1.5V)
SYSTEM
CONTROL
IC701
DATA/PMUM
6
PM CTL 17
RESET 35
A/B SW
1
FWD SW
2
CEN SW
3
RVS SW
4
KEY IN 16
BATT DET 15
AMP CTL 11
B+
(+1.5V)
VREF
11
4
10
14
5
DOLBY AMP
IC302
VCC
B+
(+2.5V)
B+
(+2.5V)
S301
VOL
AVLS
MIN
NORM
MAX
PW IN C
PW IN R
PW IN L
PW NF R
PW NF L
29
26
32
27
28
21
35
22
20
+
–
+
–
PW OUT L
PW OUT R
18
17
BASE
RF OUT
PW OUT C
AGC IN
AUDIO AMP
IC301 (2/2)
PM701
PLUNGER
B+ (+1.5V)
S701
(N/R)
FWD
CENTER
RVS
S702
(A/B)
S703
HOLD
1
2
3
4
7
8
OUT1
OUT2
OUT3
OUT4
CE
VCC
VOLTAGE DETECT
IC702
CE
LX
V OUT
B+
(+1.5V)
1
5
2
DC/DC CONVERTER
IC703
B+
(+1.5V)
B+
(+2.5V)
RECHAGEABLE
BATTERY
NH-14WM
1.2V 1400mAh
DC IN 1.5V
BATTERY CASE
DRY BATTERY
SIDE "AA"
(IEC DESIGNATION R6)
1PC, 1.5V
GND
REMO
DATA
VCC
J301
REMOTE
CAPSTAN
/REEL
MOTOR
M701
HP701
(PLAYBACK)
L CH
R CH
FWD
L CH
R CH
REV
VREF
• Signal path
: PB
