WM-GX400
13
13
4-7. SCHEMATIC DIAGRAM – MAIN SECTION (2/2) –
z
Refer to page 17 for Notes.
z
Refer to page 17 for Waveforms.
z
Refer to page 19 for IC Block Diagram.
C53
C504
C503
R504
C502
C501
R502
R503
D501
FB201
FB101
FB301
R181 R281
C602
R602
C609
R604
R603
C603
C604
C608
R611
R613
R612
R610
R609
R605
C605
RV602
C606
C607
R374
R373
Q372
R371
C188
R372
R377
C185
C179
R178
R176
C177
C178
C176
C173
C171
C172
R273
R173
C181
C184
Q201
R172
R171
R271
R376
R375
R174
C277
C278
C271
C276
C273
R274
C272
R272
R277
R283
R276
R278
C279
R177
Q405
R282
R305
R306
C341
R307
Q404
R308
R309
C335
C336
C337
Q335
R340
R341
C339
C338
R339
R338
C334
Q336
R336
C332
C333
R337
R335
C340
R116
R441
S601
TP411
R343
R607
C51
C374
IC301
CN302
IC201
IC101
R344
C371
HRPE301
RV301
M601
J301
J501
S303
R501
C280
C180
R601
R614
TH601
R608
R342
C182
C282
Q301
Q302
Q101
T331
Q334
Q373
Q371
Q374
Q501
Q502
Q603
Q602
Q601
R606
RV601
R179
R279
R280
R180
R106
R206
1000p
220
4V
470
4V
150k
22
4V
1000p
4.7k
10k
1SS367
100k
100k
0.068
1M
0.47
1M
1M
0.068
0.068
0.22
100
100
47k
47k
10k
1k
0.047
4.7k
2.2
6.3V
0.47
4.7k
0
2SC4116
10k
10
4V
150k
470
0.01
0.22
10
10k
22
4V
0.01
0.01
22
4V
2200p
1
47k
47k
1
0.01
2SC4213
100
1k
1k
1M
1M
100
22
4V
0.01
2200p
0.01
22
4V
100
1
100
10k
10k
10k
10
0.22
10k
2SC4213
10k
10k
1k
1
100k
2SC4213
100k
150
2200p
220p
470p
2SC4207
1k
47k
0.01
0.01
47k
1k
47
4V
2SC4116
10
0.01
1000p
10k
47
1
10k
100k
TAPE POWER SW
4.7k
100k
1000p
1
LB1979V
22P
NJM2073M
NJM2073M
0
100
4V
MOTOR
(REEL/CAPSTAN)
680
1
1
1k
33k
3.3K
3900PPM
0
470
100
4V
100
4V
RN2307
2SC4116
2SC4213
2SD596-T1DV4
2SA1362
RN1307
2SC4116
2SA1362
2SC4207
RN1311
2SA1745
2SA1745
0
4.7k
3
4
5
12
10
7
6
8
9
13
11
16
15
14
*
*
*
*
*
*
MOTOR BRK
MOTOR CTL
AMP ON
PAUSE
BATT
GND
GND
ISS 2
ISS 3
TAPE SPEED
VDD
SP-R +
SP-R +
SP-R -
SP-R -
SP-L +
SP-L +
SP-L -
SP-L -
VCC
HP-L
HP-R
DC IN 3V
S301
FWD
REV
-1
-2
-3
-4
-1
-2
-3
-4
S302
PB
REC
VOLUME
R179
R279
R106
R206
R180
R280
22
22
22
22
100
100
68
68
470
470
68
68
220k
2.2k
220k
2.2k
220k
220k
PAUSE
DRY BATTERY
SIZE"AA"
(IEC DESIGNATION LR6)
2PCS,3V
ERASE
PLAYBACK/
RECORD/
HEAD
COM
W
V
U
OFF
ON
SWITCH
SWITCH
BTL POWER AMP
BTL POWER AMP
AVLS
AVLS
MUTE
MUTE
ISS SWITCH
OSC
BIAS
BIAS OSC
BIAS OSC
SWITCH
SWITCH
SWITCH
PROTECT
MOTOR
CONTROL
SPEED
DRIVE/
REG
REG
MOTOR
BRAKE
MOTOR
BRAKE
MOTOR
BRAKE
TAPE SPEED 2.4cm/s
TAPE SPEED 4.8cm/s
CND,5E
E,9E,CH,
FR
AEP,EA,JEW
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