Sony M-540V - Microcassette Recorder, Руководство по обслуживанию

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11 11
M-540V
5-1. BLOCK DIAGRAM
MIC901
(MICROPHONE)
Q101
ALC SWITCH
HRPE901
REC/PB/ERASE
HEAD
Q102
REC/PB
SWITCH
Q110, 111
REC/PB
MUTING
Q107
REC LED
DRIVE
Q103, 105
NF CONTROL
Q112
REC/PB
SWITCH
PB
REC
S101(2/4)
(REC/PB)
(REC/PB)
(ERASE)
1.2cm 2.4cm
S602(2/2)
TAPE SPEED
S101(1/4)
(REC/PB)
PB
REC
26 15
21
27
5
4
1
29
28
2
IC101 (1/2)
REC/PB AMP
+
–
+
–
+
–
+
–
MIC IN
MIC
EQ
PRE NF
ALC CONT
REC OUT
VREF
EQ IN
MIC VCC
MUTE
R.F
VCC
3
REC IN
PRE OUT
7 VOX
VOR DELAY
B+
(3V)
ALC
MIC
VCC
S101(3/4)
(REC/PB)
PB
REC
PB
REC
OFF
L
H
S103
VOR
RV101
VOL
S602(1/2)
TAPE SPEED
S601
PAUSE
D102
REC/BATT
RV601
TAPE
SPEED
2.4cm
RV602
TAPE
SPEED
1.2cm
1.2cm 2.4cm
20
24
19
11 14
POW IN POW OUT2
12
16
22
POW OUT1
GVN OUT
GVN VREF
GVN CONT
IC101 (2/2)
POWER AMP
LED DRIVE
23
R/P SW
R/P
PAUSE
Q109
REC LED
SWITCH
Q106
REC LED
CONTROL
SWITCH
Q104
VOR
SWITCH
Q108
REC LED
CONTROL
SWITCH
Q113
PAUSE
SWITCH
M
B+
(+3V)
B+
M901
(CAPSTAN/REEL)
S101(4/4)
(REC/PB)
J101
EAR
+
SP901
(SPEAKER)
B+
(3V)
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION R6)
2PCS, 3V
DC IN 3V
CN101
OFF
ON
S102
(POWER)
Signal path
: PB
: REC
THP602