TA-FE230, TA-FE330R, TA-FE530R - Sony Audio Service Manual (repair manual). Page 13

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• IC Block Diagrams
– MAIN Board –
IC101
LC7821
IC601
µPC1237HA
– CONTROL Board –
IC802
BA6208 (TA-FE330R/FE530R)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
CONTROL
LATCH
SHIFT RESISTER
LEVEL SHIFT
CL
DI
CE
VEE
L COM3
L7
L COM2
L5
L4
L2
VSS
S
RES
VDD
R COM3
R8
R7
R COM2
R6
R4
R2
R5
R COM1
R3
R1
L3
L1
L COM1
L6
L8
BUFFER
1
2
3
4
5
6
7
8
OVER LOAD DET
F/F
OFFSET DET
LATCH/
AUTORESET
V
CC
 ON
MUTE
AC OFF
DET
V
CC
1
2
3
4
5
6
7
8
9
NC
OUTPUT 2
Vcc
GND
NC
INPUT 2
INPUT 1
NC
MOTOR
DRIVE
MOTOR
DRIVE
REG
SWITCH
SWITCH
OUTPUT1
3-8.
IC  PIN  FUNCTION  DESCRIPTION
 CONTROL BOARD  IC801  TMP47C103N-JP47 (FUNCTION SWITCH CONTROL, LED DRIVER)
Pin No.
Pin Name
I/O
Description
1
XOUT
O
Main system clock output terminal (4 MHz)
2
XIN
I
Main system clock input terminal (4 MHz)
3
RESET
I
System reset signal input terminal    “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
4
PMD
I
Setting terminal for the model
TA-FE230: fixed at “L”, TA-FE330R/FE530R: fixed at “H”
5
VOL+
O
Motor drive signal output to the volume motor drive (IC802) (volume up direction)
Used for the TA-FE330R/FE530R only (TA-FE230: Not used (pull up))
6
VOL–
O
Motor drive signal output to the volume motor drive (IC802) (volume down direction)
Used for the TA-FE330R/FE530R only (TA-FE230: Not used (pull up))
7
SW0
I
8
SW1
I
Rotary switch input of the INPUT SELECTOR (S801)
9
SW2
I
10
EON
I
Detection signal input of the enhanced other networks (EON)
Used for the TA-FE530R only (TA-FE230/FE330R: Not used (fixed at “H”))
11
PHONO
O
LED drive signal output of the PHONO LED (D808)    “L”: LED on
12
TUNER
O
LED drive signal output of the TUNER LED (D809)    “L”: LED on
13
CD
O
LED drive signal output of the CD LED (D810)    “L”: LED on
14
GND
Ground terminal
15
AUX
O
LED drive signal output of the AUX LED (D811)    “L”: LED on
16
DAT
O
LED drive signal output of the TAPE2/MD LED (D812)    “L”: LED on
17
TAPE
O
LED drive signal output of the TAPE1/DAT LED (D813)    “L”: LED on
18
MON
O
Tape monitor on/off control signal output terminal    “L”: tape monitor on
Used for the TA-FE530R only (TA-FE230/FE330R: Not used (pull up))
19
PRY
O
AC on/off relay drive signal output terminal    “L”: power on, “H”: standby mode
Used for the TA-FE330R/FE530R only (TA-FE230: Not used (pull up))
20
PKY
I
Power switch (S1; I/1) input terminal    “H”: power on
Used for the TA-FE330R/FE530R only (TA-FE230: Not used (fixed at “H”))
21
MON
I
TAPE1 MONITOR switch (S802) input terminal    When pressing the key: “H”
Used for the TA-FE530R only (TA-FE230/FE330R: Not used (fixed at “H”))
22
SIRCS
I
Sircs signal input from the remote control receiver (IC803)
Used for the TA-FE330R/FE530R only (TA-FE230: Not used (pull up))
23
MUTE
O
Audio line muting on/off control signal output terminal    “H”: muting on
24
SCE
O
Chip enable signal output to the function switch (IC101)
25
SDT
O
Serial data output to the function switch (IC101)
26
SCK
O
Serial data transfer clock signal output to the function switch (IC101)
27
STOP
I
Detection signal input of the AC input
28
+3V
Power supply terminal (+3V)
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