Read Sony TA-MR2ES Service Manual online
7
7
TA-MR2ES
TA-MR2ES
– MAIN/POWER SECTION –
IC204
+3.3V REG
IC200
+12V REG
IC201
+5V REG
S400
LEARNING
3.3V
IC404
I/O CONTROL
VCC
IC400(2/2)
SYSTEM CONTROLLOR
ID0
IR ID
ID1
ID2
ID3
IR
IR LEARNING
50
ID1
54
ID2
57
ID3
55
ID4
59
A/DO
X0
Y1
X1
X-X
Y-
Y
3
A/DI
4
AUDIO MODE
34
12V MODE
35
IR MODE
33
IRSIG OUT
13
53
12
5
CARRIER FREQUENCY
4
58
2
1
3
6
11
10
9
8
AUTO POWER SELECTOE
12V TRIGGER
IR IN
AUDIO SENSING
+12V
S404-406
LED2 37
Q408
LED DRIVE
D406
IN USE
LED1 38
Q409
LED DRIVE
D405
IN USE
LED0 39
SDA
Q415
LED DRIVE
D404
ON
5
6
IC401
8bit
EEPROM
46
POWER RELAY 43
SCL 47
X0
X400
12.5MHz
22
X1 23
RESET 19
STOP 16
T900
POWER TRANSFORMER
D210-213
RECT
+3.3V
+12V
D202-204,
D209
RECT
RECT
F900
D214-D217
IC203
+15V REG
+15V
IC202
-15V REG
-15V
AC
IN
6
5
8
3
1
3
RY201
+6V
D218
D207
D208
RY200
1
3
D201
+32V
–32V
Q200
RELAY DRIVE
Q202
RELAY DRIVE
Q204,205
CONTROL
+5V
Q206
REG
Q404,405
Q411-413
Q411-413
RESET
IR SIGIN
14
12V TRIG IN
41
12V TRIG OUT
42
VOL A/D L
5
VOL A/D R
6
TACT
SWITCH
S402,403,407
TACT
SWITCH
IC403
SELECTOR
J401
J400
J402
J403
1
+3.3V
L ATTENUATOR R
+3.3V
RV350
RV300
+12V
IC402
IR SIG IN
Q401
SWITCH
Q402,403
SWITCH
12VTRIGGER
IN
OUT
Q406
CONTROL
1
13
12
10
11
Y
X
14
15
IR REMOTE
IN
OUT
Q400,407,410
SWITCH
D400
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