Read Sharp RT-XV300H Service Manual online
RT-XV300H
– 13 –
Figure 13 BLOCK DIAGRAM OF IC
IC105 RH-iX0142AWZZ (IX0142AW): Tape Microcomputer
1
D1
D2
D3
D4/RTP
D5/RTP
D6/INT0/Z
D7/CNTR
D8/SCK
D9/SOUT
P20/SIN
P21/INT1
RESET
CNVss
XOUT
XIN
Vss
MOTOR
FWD
REV
REC
REV 1
T-RDY
REV 2
T-CLK
T-DATA/T-SO
T-CMD/T-SI
P CNT IN
RESET
GND
6MHz
GND
D0
P13
P12
P11
P10
P03
P02
P01
P00
P33/AIN3
P32/AIN2
P31/AIN1
P30/AIN0
AVSS
Vref
Vdd
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
SOL
TAPE PLS IN
BIAS
CrO2 R/P
REC CNT(DOLBY RP)
DOLBY SW
DOLBY MODE
M MUTE
REV3
DOLBY B/C APSS/INI
MKEY2
MKEY1
KEY1
GND
5V
5V
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