10
10
M-200MC
Signal path
: PB
: REC
1
13
11 14
15
19
2
20
M
B+
(+3V)
M901
MOTOR
DRY BATTERY
SIZE "AAA"
(IEC DESIGNATION R03)
2PCS, 3V
DC IN 3V
CN101
S102
(POWER)
UOUT
VOUT
IN+
S/S
VSP
OUT
DR
12
VREF
WOUT
2.4cm
1.2cm
OFF
ON
FAST PB
RV601
TAPE
SPEED
1.2cm
RV602
TAPE
SPEED
2.4cm
FAST PB SWITCH
DRIVER
STARTUP
DIR LOGIC
WAVEFORM
DET
LOCKING
PROTECT
STARTUP
DET
CURRENT
DET
SPEED
DET
REF V
OSC
BIAS
+
-
+
+
MOTOR SERVO
B+
B+
B+
S103
CUE MARKER
Q405
4
7
OUT
VCC
BATTERY LOW DET
HRPE901
REC/PB/ERASE
HEAD
(REC/PB)
(ERASE)
HRPE902
REC/PB/ERASE
HEAD
(REC/PB)
(ERASE)
PB
REC
S101 (4/6)
S101 (1/6)
1.2cm
2.4cm
ON
OFF
Dictation
Meeting
Lecture
MIC
UNIT
MAIN BOARD
S105
MIC MODE
Q307,308
REG
Q101
LPF
PRE
AMP
RIPPLE
FILTER
S501
VOR
1
7
16
15
IC101 (1/2)
PRE AMP
-
+
+
-
-
+
ALC
POWER
AMP A
POWER
AMP B
RF OUT
RV101
VOL
S101 (2/6)
PB
REC
S101 (3/6)
REC
PB
S101 (6/6)
REC
PB
REC
PB
REC
PB
S101 (5/6)
J101
EAR
SP901
SPEAKER
BATT
REC
S701
D402 D401
D403
IC401
Q305
Q306
DIR
SWITCH
IC101 (2/2)
POWER AMP, ALC
Q602
1
5
8
6
IN
RCV
TIME
VCC
OUT1
IC501
SIGNAL LEVEL
SENSOR
Q502
REC
MUTE
Q705
BUFFER
Q704
CUE OSC
Q701 - Q703
CUE SWITCH
Q601
SWITCH
Q706
OSC
3
4
5
6
14
11
9
B +
B +
(DIR)
B +
S104
PAUSE
Q603
Q301
Q402
Q403
VOICE
MIRROR
Q404
Q406
Q401 (1/2)
Q401 (2/2)
OUT B
OUT A
ALC IN
+ IN A
+ IN
- IN
OUT
VCC
Q302
S601 (1/2)
TAPE SPEED
S601 (2/2)
TAPE SPEED
IC601
S602
LED BOARD
OFF
ON
5-1. BLOCK DIAGRAM
