TCM-500DV
8
8
6-1. BLOCK DIAGRAMS
S101 (4/6)
REC
R
PB
S101 (2/6)
REC
R
PB
S101(6/6)
PB
r
REC
S101 (1/6)
REC
R
PB
Q801
REC B+
S103
FWD
r
REV
RV101
w
VOL
S101(3/6)
REC
R
PB
P.B+
B+ 3V BATT B+
S102
(POWER)
6
7
4
VOLTAGE DET
IC401
MIC901
FLAT MIC
J101
MIC
(PLUGIN POWER)
15
14
11
1
16
4
MIC/EARPHONE AMP
IC101
LPF
IC301
POWER AMP
IC103
PRE
DRIVE
OUTPUT
SOFT
SWITCH
WAVEFORM
DETECT
SPEED
DETECT
BIAS
OSC
CURRENT
DETECT
MOTOR
BRAKE
Q602
MOTOR
BRAKE
Q604
INITIAL
SWITCH
Q603,605
LED
DRIVE
Q404
B+
SWITCH
Q403,405
LED
DRIVER
Q401
ATT
ALC
ATT
REC B+
SWITCH
Q705
INITIAL
DETECT
Q709,710
MUTE
Q701
MUTE DRIVE
Q703
3
6
1
4
5
6
9
5
J102
EAR
SP902
SPEAKER
(R-CH)
SP901
SPEAKER
(L-CH)
B+3V
L-CH
-1
-2
-3
FWD
REV
R-CH
L-CH
R-CH
HRPE901
(REC/PB/ERASE HEAD)
S401 (2/2)
REC TIME/PLAY MODE
NORMAL
r
DOUBLE
5
6
1
V•O•R
LEVEL
DETECT
IC501
4
11
13
14
16
17
12
5
6
SERVO
CONTROL
IC601
D801
S402
V·O·R
ON
R
OFF
15
IN+
THP601
S401(1/2)
Q702, 704
MUTE OR
Q201
VDD
BATT B+
IN(A)
+OUT(A)
-OUT(A)
+OUT(B)
-OUT(B)
IN(B)
SHUT
DOWN
VREF
UOUT
VOUT
WOUT
S/S
VSP
OSC
COM
OUT
M
M601
CAPSTAN/REEL
MOTOR
BATT B+
U
V
W
Q601
INVERTER
Q402(2/2)
LED ON/OFF
Q402(1/2)
LED ON/OFF
Q708
B+3V
B+3V
REC B+
P.B+
L401
S101(5/6)
REC
R
PB
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION LR6)
2PCS, 3V
DC IN 3V
!
J103
S104
PAUSE
.
OFF
r
ON
REC
BATT
E
D402
D401
D403
RV201
SPEED CONTROL
REC TIME/PLAY MODE
DOUBLE
R
NORMAL
RV601
TAPE SPEED 2.4cm
RV602
TAPE SPEED 4.8cm
REC B+
OR
Q202
MUTE
SWITCH
3
16
4 17
18
15
1
INITIAL
DETECT
Q707
POWER
DETECT
Q706
• Signal path.
E
: PB
a
: REC
SECTION 6
DIAGRAMS
