Sony DHC-FLX9W / TA-FLX9W Service Manual ▷ View online
17
TA-FLX9W
RX BOARD IC7405 MB89537APFM-G-598-BNDE1 (REAR AMP CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
NC
O
Not used
2
MOD2
I
Setting terminal for the CPU operation mode Fixed at “L” in this set
3
VOLT
I
Battery voltage detection input terminal Not used
4
TEMP
I
Battery thermal detection input terminal Not used
5 to 10
NC
—
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
DTVAILD
I
Data valid flag input from the RF demodulator “L”: invalid, “H”: valid
15
PROTECT
I
Over current detection signal input for speaker output terminal “L”: over current
16
CSOD
I
Captor start delay signal input from the RF demodulator “H” active
17, 18
NC
—
Not used
19
RST
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
MD0, MD1
I
CPU operation mode setting signal input terminal
22
X0
I
Main system clock input terminal (12.5 MHz)
23
X1
O
Main system clock output terminal (12.5 MHz)
24
VSS
—
Ground terminal
25
DAC_CLK
O
Serial data transfer clock signal output to the D/A converter
26
DAC_DATA
O
Serial data output to the D/A converter
27
DAC_LAT
O
Serial data latch pulse signal output to the D/A converter
28
XRST
O
Reset signal output to the RF demodulator and stream processor “L”: reset
29
P23
I
Setting terminal for the CPU operation mode Fixed at “L” in this set
30
PPG02
I
Setting terminal for the CPU operation mode Fixed at “H” in this set
31
SPRY
O
Speakers on/off relay drive signal output “H”: speakers on
32
STOP
I
Power failure detection input terminal “L”: power on
33
VOLIC_DATA
O
Serial data output to the electrical volume
34
VOLIC_CLK
O
Serial data transfer clock signal output to the electrical volume
35
PWR_RY
O
Main power on/off relay drive signal output terminal “H”: power on
36
LED_RED
O
LED drive signal output of the standby indicator “H”: LED on
37
LED_DIAT
O
LED drive signal output of the DIAT signal receive state indicator “H”: LED on (receive error)
38
LED_ON
O
LED drive signal output of the power on indicator “H”: LED on
39
DIATOFF
O
Power on/off control signal output terminal for the DIAT circuit “H”: active
40
P10
I
Setting terminal for the CPU operation mode Fixed at “H” in this set
41
MUTE
O
Muting on/off control signal output terminal “L”: muting on
42
FAN1
O
Fan motor drive control signal output terminal “H”: active
43
FAN2
O
Fan motor drive speed control signal output terminal “H”: high speed, “L”: low speed
44
FAN_CLK
I
Fan motor stop detection signal input terminal “L”: fan motor stop
45
FANON
I
Output level detection signal input terminal “H”: low level, “L”: high level
46
SCMODE
O
Control mode selection signal output terminal “L”: pin setting, “H”: serial setting Not used
47
PSAVE
O
Power on/off control signal output terminal for the volume control circuit “H”: active
48
PWR_CTL
O
Not used
49
NC
—
Not used
50
PWMUTE
O
Not used
51
DIAT_CK
O
Serial interface data clock signal output to the RF demodulator
•
IC Pin Function Description
18
TA-FLX9W
Pin No.
Pin Name
I/O
Description
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
54
XSCEN
O
Serial interface enable signal output to the RF demodulator
55
NC
—
Not used
56
VCC
—
Power supply terminal (+3.3V)
57
CH_SEL
I
Not used
58
MOD_VER
I
Model destination setting terminal “H”: AC model, “L”: battery model
59
NC
—
Not used
60
SCK2
—
Not used
61
SOT2
—
Not used
62
SIN2
—
Not used
63
INT23
I
Not used
64
NC
—
Not used
19
TA-FLX9W
SECTION 4
EXPLODED VIEWS
1
2
4
4
4
5
5
6
not supplied
not supplied
(PSW board)
(PSW board)
not supplied
(LED board)
(LED board)
chassis section
#1
#3
#1
not supplied
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference
number in the exploded views are not supplied.
• Accessories are given in the last of the
electrical parts list.
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color
Cabinet's Color
The components identified by mark
0 or dotted line with mark 0 are
critical for safety.
Replace only with part number
specified.
0 or dotted line with mark 0 are
critical for safety.
Replace only with part number
specified.
•
Abbreviation
E15 : Iranian model
EA
E15 : Iranian model
EA
: Saudi Arabia model
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
X-4956-474-1 PANEL ASSY, FRONT (REAR AMP)
2
4-255-371-01 BUTTON (POWER, REAR AMP)
4
4-951-620-01 SCREW (2.6X8), +BVTP
5
4-227-843-31 SCREW (TP), FLAT HEAD
6
4-255-374-11 CASE (REAR AMPLIFIER)
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
#3
7-685-871-01 SCREW +BVTT 3X6 (S)
4-1.
FRONT PANEL SECTION
SP
: Singapore model
TH
: Thai model
20
TA-FLX9W
51
52
59
53
(EXCEPT TH)
55
54
56
57
58
#1
#1
#1
#1
F901
#1
#1
#1
#1
#2
not supplied
not supplied
not supplied
not supplied
(VS board)
(VS board)
not supplied
not supplied
M101
F971
T901
not supplied
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
line with mark 0 are critical for safety.
Replace only with part number specified.
4-2.
CHASSIS SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
4-965-822-01 FOOT
52
1-773-045-11 WIRE (FLAT TYPE) (17 CORE)
53
A-1072-386-A RX BOARD, COMPLETE (TH)
53
A-4753-418-A RX BOARD, COMPLETE (EXCEPT TH)
54
4-962-113-01 CLAMP
55
A-1068-931-A STBY BOARD, COMPLETE (EXCEPT TH)
55
A-1072-381-A STBY BOARD, COMPLETE (TH)
56
3-341-549-01 SCREW (2.6X12) (DIA. 7.5), +PTP WH
* 57
3-703-244-00 BUSHING (2104), CORD (EXCEPT E15)
57
3-703-571-11 BUSHING (S) (4516), CORD (E15)
0 58
1-775-786-21 CORD, POWER (EA)
0 58
1-777-071-83 CORD, POWER (SP)
0 58
1-824-818-11 CORD, POWER (WITH CONNECTOR) (TH)
0 58
1-827-226-11 CORD, POWER (E15)
59
A-1072-380-A MAIN BOARD, COMPLETE (TH)
59
A-1082-073-A MAIN BOARD, COMPLETE (EXCEPT TH)
0 F901
1-532-500-32 FUSE (T630mAL/250V)
0 F971
1-532-502-32 FUSE (T1.25AL/250V)(EXCEPT TH)
M101
1-787-171-11 FAN, DC
0 T901
1-443-455-11 TRANSFORMER, POWER (EA)
0 T901
1-443-458-11 TRANSFORMER, POWER (EXCEPT EA)
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
#2
7-685-880-09 SCREW +BVTT 4X6 (S)
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