Sony TA-FE320R / TA-FE520R Service Manual ▷ View online
– 15 –
• Semiconductor
Location
Ref. No.
Location
D901
B-2
D904
A-1
D905
B-1
D906
B-1
D907
B-1
D908
B-1
D909
B-1
D910
A-2
D911
E-2
3-6.
PRINTED WIRING BOARDS – POWER Section –
•
See page 5 for Circuit Boards Location.
– 16 –
3-7.
SCHEMATIC DIAGRAM – POWER Section –
The components identified by mark
!
or dotted
line with mark
!
are critical for safety.
Replace only with part number specified.
(Page 10)
(Page 10)
(Page 13)
– 17 –
• IC Block Diagrams
IC101
LC7821 (MAIN BOARD)
IC802
BA6208 (CONTROL BOARD)
IC601
µPC1237HA (MAIN BOARD)
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
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
– 18 –
3-8.
IC PIN FUNCTION DESCRIPTION
•
CONTROL BOARD IC801 TMP47C103N-JP47 (FUNCTION SWITCH CONTROL, LED DRIVER)
Pin No.
Pin Name
I/O
Function
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”
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
4
PMD
I
Mode select input terminal Fixed at “H” in this set
5
VOL+
O
Motor drive signal output to the volume motor drive (IC802) (volume up direction)
6
VOL–
O
Motor drive signal output to the volume motor drive (IC802) (volume down direction)
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-FE520R only
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-FE520R only
Used for the TA-FE520R only
19
PRY
O
AC on/off relay drive signal output terminal “L”: power on, “H”: standby mode
20
PKY
I
Power switch (S1; I/
u) input terminal “H”: power on
21
MON
I
Tape monitor switch (S802) input terminal When pressing the key: “H”
22
SIRCS
I
Sircs signal input from the remote control receiver (IC803)
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)
Click on the first or last page to see other TA-FE320R / TA-FE520R service manuals if exist.