Sony WM-GX410 - Block Diagrams -Tape Section

WM-GX410
1111
CURRENT
DETECT
SPEED
DETECT
SPEED CONTROL
REF
WAVE-
FORM
DETECT
MOTIVE
LOGIC
SOFT
SWITCH
PRE
DRIVE
OUT
U OUT
V OUT
W OUT
VSP
IN+
VREF
S/S
-+
17
4
5
6
16
15
14
13
BIAS
2
3
10
1
25 31
27
3
7
8
6
5
4
13
9
MIC
INPUT (L)
PB PRE
INPUT (L)
MIC AMP
PRE AMP
REC AMP
MIC
PR
REC DRIVE
OUTPUT (L)
R-CH
+B
VREF
VREF
T331
+B
+B
PB/REC
SELECTOR
REFERENCE
REC DRIVE
INPUT (L)
B
IC302
(2/2)
(Page 12)
REC
SG
A
REF
D406
VREF
L
L
R
FWD
HRPE301
REC/PB/ERASE HEAD
R
ISS
SWITCH
Q335
LCD701
LIQUID
CRYSTAL
DISPLAY
MOTOR
BRAKE
Q601
BIAS
OSC
Q334,336
ISS
S703
FM AM
S711
OFF
RADIO
S713
S708
TAPE SPEED (2.4cm/S)
RV601
TAPE SPEED (4.8cm/S)
RV602
S701 (ROTALY)
3
2
1
S707
S702
VCC
TUNER
MODE
MOTOR CTRL
30
MOTOR BRAKE
10
AMP ON
14
2 322
MECHA TAPE
BATT LEVEL
9
REC CTRL
21
BUCKUP
VOLTAGE
18
TUNING-A
17
TUNING-B
13
PUSH
CBA
COM
+B
PAUSE
X2 INPUT
KO2
KO1
K1
K2
K3
COM1
COM4
S706
48
45
44
32
S1
S13
SYSTEM
CONTROL
IC701(1/2)
MOTOR DRIVE/
SPEED CONTROL
IC301
IC302
(1/2)
BATT LEVEL
DETECT
IC702
S302(3/4)
REC
PB
S303(4/4)
FWD
REV
RADIO ON
MUTE
C
GATE
SWITCH
Q356
MIC
VCC
VCC
+B
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”
(IEC DESIGNATION LR6)
2PCS, 3V
+
-
J501
TUNE MODE
MANUAL
PRESET
+B
PAUSE
ON
OFF
TUNING/
ENTER
RECTIME/
PLAY MODE
NORMAL
DOUBLE
S303(3/4)
FWD
REV
S303(2/4)
FWD
REV
S302(2/4)
REC
PB
REC/PB AMP
Q603
Q604
Q342
AMP ON
S302(4/4)
REC
PB
S705
HOLD
ON
OFF
28
26
HOLD
MECHA REC
MIC-L
R-CH
D
TO AMP
SECTION
(Page 12)
MIC-R
S303
(1/4)
S302
(1/4)
NC
NC
TO AMP
SECTION
(Page 12)
TO AMP
SECTION
(Page 12)
4-2. BLOCK DIAGRAM – TAPE SECTION –
• R-ch is omitted due to same as L-ch
• Signal path.
N : MIC
E : TAPE PLAY
a : TAPE REC