8
8
WM-GX400
4-2. BLOCK DIAGRAMS – TAPE SECTION –
S301-3
S301-4
R-CH
VCC
VCC
VCC
VREF
VREF
T331
BATT
BATT
S302-2
S302-1
S301-2
S301-1
REC
SG
MAIN
BOARD
(2/2)
REC
D406
VREF
R-CH
L
L
R
FWD
HRPE301
REC/PB/ERASE HEAD
J302
R
MIC
VCC
Flat Mic
MIC
(PLUG IN POWER)
MIC301
ISS
SWITCH
Q335
ND701
LIQUID
CRYSTAL
DISPLAY
MOTOR
BRAKE
Q601-603
BIAS
OSC
Q334,336
ISS
S703
FM
S708
AM
S709
OFF
ENTER
S710
S712
TAPE SPEED 2.4cm/S
RV601
TAPE SPEED 4.8cm/S
RV602
S701 (ROTALY)
3
2
1
S707
S303
BATT
C B A
COM
BATT
S706
IC302
(1/2)
REC/PB AMP
S302
REC
PB
S301
FWD
REV
RADIO ON
MUTE
MAIN
(2/2)
GATE
SWITCH
Q356
MIC
VCC
VCC
BATT
Q354-355
REG
Q501, 502
REV
FWD
REV
DC IN 3V
M
M601
CAPSTAN/REEL
MOTOR
U
V
W
COM
S601
(TAPE POWER)
DRY BATTERY
SIZE “AA”
(IEE DESIGNATION LR6)
2PCS, 3V
+
-
J501
[DISPLAY BOARD] (1/3)
[DISPLAY BOARD] (2/3)
R–CH IS OMITTED: SAME AS L–CH
[MAIN BOARD] (1/2)
TUNING MODE
MANUAL
PRESET
VDD
PAUSE
ON
OFF
TUNING
TAPE SPEED
NORMAL
DOUBLE
• Signal path.
E
: PB
a
: REC
N
: MIC
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
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299