Sony TA-SB500WR2 Service Manual ▷ View online
21
TA-SB500WR2
•
IC Pin Function Description
DIAT AMP BOARD IC107 MB89537APFM-G-1077E1 (SURROUND AMP CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
DAMP FSDLY
I
Clock delay switch input terminal Fixed at "L" in this set
2
MOD2
I
Setting terminal for the CPU operation mode Fixed at "L" in this set
3, 4
-
O
Not used
5
SL/SR REV
I
Setting terminal for the SL/SR reverse function Fixed at "H" in this set
6
PWR_PWM_CONT
I
Setting terminal for the power control (fix/variable) Fixed at "L" in this set
7 to 10
-
O
Not used
11
AVCC
-
Power supply terminal (+3.3V) (for A/D converter)
12
AVR
I
Reference voltage (+3.3V) input terminal (for A/D converter)
13
AVSS
-
Ground terminal (for A/D converter)
14
DTVALID
I
Data valid flag input from the RF demodulator "L": invalid, "H": valid
15
CSOD
I
Captor start delay signal input from the RF demodulator "H" active
16
-
I
Not used
17
AC CUT
I
AC cut detection signal input terminal "L": AC cut
18
-
I
Not used
19
/RESET
I
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"
20, 21
MOD0, MOD1
I
CPU operation mode setting signal input terminal
22
X0
I
Main system clock input terminal (8 MHz)
23
X1
O
Main system clock output terminal (8 MHz)
24
VSS
-
Ground terminal
25
-
O
Not used
26
XRST_INIT
O
Reset signal output to the RF demodulator and stream processor "L": reset
27, 28
-
O
Not used
29
P23
I
Setting terminal for the CPU operation mode Fixed at "L" in this set
30
P22
I
Setting terminal for the CPU operation mode Fixed at "H" in this set
31
-
O
Not used
32
DAMP PWM MODE
I
Setting terminal for the PWM mode output switch Fixed at "H" in this set
33
DAMP_PGMUTE
O
PG muting on/off control signal output to the stream processor "L": muting on
34
DAMP_SOFTMUTE
O
Soft muting on/off control signal output to the stream processor "L": muting on
35
DAMP_NSPMUTE
O
NSP muting on/off control signal output to the stream processor "L": muting on
36
-
O
Not used
37
DRIVER_RST
O
Reset signal output to the power driver "L": reset
38
DRIVER_OCP
I
Shut down state input from the power driver "L": shut down
39
-
I
Not used
40
-
I
Setting terminal for the CPU operation mode Fixed at "H" in this set
41
LED_GREEN
O
LED drive signal output of the ON LINE indicator "H": LED on
42
LED_RED
O
LED drive signal output of the POWER indicator "H": LED on
43 to 47
-
O
Not used
48
SCMODE
O
Control mode selection signal output to the RF demodulator
"L": pin setting, "H": serial setting
"L": pin setting, "H": serial setting
49
-
-
Not used
50
XSCEN
O
Serial interface enable signal output to the RF demodulator
51
DIAT_SCLK
O
Serial interface data clock signal output to the RF demodulator
52
DIAT_SWDT
O
Serial interface data write signal output to the RF demodulator
53
DIAT_SRDT
I
Serial interface data read signal input from the RF demodulator
22
TA-SB500WR2
Pin No.
Pin Name
I/O
Description
54, 55
-
O
Not used
56
VCC
-
Power supply terminal (+3.3V)
57
MAIN_OFF
O
Power off control signal output to the power control "H": power off
58
V_CONT
O
Voltage control PWM signal output terminal Not used
59
DAMP_LATCH
O
Latch control signal output to the stream processor
60
DAMP_SHIFT
O
Shift clock signal output to the stream processor
61
DAMP_SCDT
O
Serial data output to the stream processor
62
SI2
I
Serial data input terminal
63
-
O
Not used
64
DAMP OUT2DLY
I
Clock delay switch input terminal Fixed at "L" in this set
23
TA-SB500WR2
SECTION 4
EXPLODED VIEWS
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
2-894-636-01 CABINET, FRONT
2
2-891-290-01 BUTTON, POWER
3
2-149-270-21 SIDE, PANEL
4
2-149-269-11 PANEL, TOP
5
3-087-053-01 +BVTP2.6 (3CR)
6
2-149-422-02 INDICATOR, POWER
7
2-149-273-21 COVER, WIRE
8
2-149-272-11 HOLD, WIRE (A)
#2
7-685-133-19 SCREW +P 2.6X6 TYPE2 NON-SLIT
#3
7-682-548-09 SCREW +B 3X8
#5
7-685-647-79 SCREW +BVTP 3X10 TYPE2 IT-3
4-1.
PANEL SECTION
The components identified by mark 0 or
dotted line with mark 0 are critical for safety.
Replace only with part number specified.
dotted line with mark 0 are critical for safety.
Replace only with part number specified.
•
Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
•
The mechanical parts with no reference
number in the exploded views are not supplied.
number in the exploded views are not supplied.
NOTE:
•
-XX and -X mean standardized parts, so they
may have some difference from the original
one.
may have some difference from the original
one.
•
Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
Example:
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color
Cabinet's Color
4
8
7
3
2
6
1
not supplied
(DIAT SWITCH board)
(DIAT SWITCH board)
not supplied
not supplied
(DIAT LED board)
(DIAT LED board)
DIAT AMP/DIAT POWER
boards section
boards section
#5
#2
#2
#2
#3
#2
#2
5
5
not supplied
not
supplied
supplied
Note: Ref. No. 1 and Ref. No. 6 are parts glued together.
When you exchange Ref. No. 1 or Ref. No. 6, exchange
simultaneously.
simultaneously.
24
TA-SB500WR2
4-2.
DIAT AMP/DIAT POWER BOARDS SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
A-1227-906-A DIAT AMP BOARD, COMPLETE
52
A-1221-192-A DIAT POWER BOARD, COMPLETE
53
3-703-244-00 BUSHING (2104), CORD
0 54
1-830-190-11 CORD, POWER
55
2-895-066-01 FOOT
56
4-254-954-01 SHEET (DMB), RADIATION
57
3-228-738-01 SHEET (D)
60
2-597-972-21 SHEET, RADIATION
61
4-059-585-01 TIE, CABLE
0 F901
1-533-453-12 FUSE, GLASS TUBE (DIA. 5) (5A/125V)
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
#2
7-685-133-19 SCREW +P 2.6X6 TYPE2 NON-SLIT
#4
7-685-645-79 SCREW +BVTP 3X6 TYPE2 IT-3
55
51
60
52
53
54
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
not
supplied
supplied
not
supplied
supplied
F901
not supplied
not supplied
not supplied
#2
#2
#2
#4
#4
#4
#2
#2
#1
#1
not supplied
56
not supplied
57
57
57
not supplied
not
supplied
supplied
not supplied
61
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