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Sharp RT-XV300H B C Service Manual page 4

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MUTE
Q115
Q116
EMITTER
Q151
Q152
AMP.
Q137
POWER
CONTROL
7
8
9
3
4
Y SELECTOR
IC104
M5278L05
+5V
VOLTAGE
REGULATOR
IC106
NJM78M10FA
M+10V
VOLTAGE
REGULATOR
A+12V
Q146
Q139
Q145
Q140
VOLTAGE
REGULATOR
25
MUTE
27
DOLBY_B
26
DOLBY_C
REC CNT
28
DOLBY B/C APSS
23
30
BIAS
29
CrO
2
1
MOTOR
32
SOL
31
TAPE PLS IN
22
MKEY2
MKEY1
21
5V
18
+5V
5V
17
IX0142AW
MICROCOMPUTER
Figure 7 BLOCK DIAGRAM (2/2)
F101
T800mA L 250V
BASIC+B
D114~D117
POWER
CONTROL Q160
PCNT-IN
11
T-RDY
6
T-CLK
8
T-DATA
9
T-CMD
10
RESET
12
FWD
2
REV
3
RP
REC
4
REV1
5
REV2
7
REV3
24
KEY1
20
X OUT
14
X IN
15
IC105
TAPE
– 7 –
RECORD SIGNAL
PLAYBACK SIGNAL
MICON CONTROL
POWER
POWER
TRANSFORMER
T101
T.F.
POWER
SOC101
CONTROL
Q156
14
Q157
1
6
2
4
10
11
12
13
15
Q135
RESET
LED BLOCK
LED101~LED109
SW101~SW108
BUTTON
BLOCK
X101
6MHz
RT-XV300H
AC 230V
50Hz
AC POWER
SUPPLY CORD
MD-XV300H
MD-XV300H(BR)
FROM
AMP. UNIT

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