Sony DHC-FLX9W / TA-FLX9W Service Manual ▷ View online
TA-FLX9W
5
2-3. VS BOARD
2-4. RX BOARD
3
VS board
(except Thai model)
(except Thai model)
1
connector
(CN972)
(CN972)
4
insulation sheet
1
connector
(CN971)
(CN971)
2
two screws
(BVTP 3
(BVTP 3
×
8)
2
screw
(BVTP 3
(BVTP 3
×
8)
3
RX board
1
wire (flat type) (17 core)
(CN7403)
(CN7403)
2
screw
(BVTP 3
(BVTP 3
×
8)
TA-FLX9W
6
2-5. MAIN BOARD
2
three screws
(BVTP 3
(BVTP 3
×
8)
1
three connectors
(CN102, CN104, CN105)
(CN102, CN104, CN105)
3
MAIN board
2
screw
(BVTP 3
(BVTP 3
×
8)
1
connector
(CN903)
(CN903)
TA-FLX9W
7
7
TA-FLX9W
SECTION 3
DIAGRAMS
3-1. BLOCK DIAGRAM
• SIGNAL PATH
: AUDIO
TM101
(+)
(–)
IC7407
D/A CONVERTER
2 DATA
3 LRCK
1 BCK
3 LRCK
1 BCK
15 ML
13 MD
16 SCK
14 MC
7
VOL
OVER CURRENT
DETECT
Q105 – 107
FAN MOTOR
DRIVE
Q110
RELAY
DRIVE
Q104
IC102
POWER AMP
8
VOR
REAR
L
(+)
(–)
REAR
R
IC7405
REAR AMP CONTROLLER
SPEAKERS
IMPEDANCE
USE 8
Ω
IC7409
ELECTRICAL VOLUME
1 VIN1
DATA
8
4
VIN2
CLOCK
2
VOUT1
7
VOUT2
26
DAC_DATA
25
DAC_CLK
27
DAC_LAT
23
22
X7402
12.5MHz
X1
X0
36 LED_RED
38 LED_ON
D201
ON/STANDBY
S951
F901
POWER
IC7402
RF DEMODULATOR,
A/D CONVERTER
60
DAOUT
10 ADVIN
59
LRCK
54
BCK
31
APX
SRDT
33
CSOD
61
DTVALID
J7401
DIR-R1
X7401
12.288MHz
40
43
OSCI
OSCO
34
53 DIAT_SRDT
16 CSOD
14 DTVALID
LPF
IF +5V
35
SWDT
XRST
37
SCLK
36
XSCEN
52 DIAT_SWDT
13
28 XRST
51 DIAT_CK
54 XSCEN
IC7411
LEVEL
SHIFT
IC7410
LEVEL
SHIFT
LED DRIVE
Q101
MUTING
Q7406
MUTING
Q7405
D102
RY101
-1
-2
MUTING CONTROL
Q7403, 7411
LED DRIVE
Q102
37 LED_DIAT
D202
ON LINE
LED DRIVE
Q103
D114
+6V
+
LEVEL
DETECT
Q108, 109
+
IC101
POWER AMP
IC7408
LINE
AMP
AMP
34
VOLIC_DATA
33
VOLIC_CLK
41
MUTE
31
SPRY
42
FAN1
43
FAN2
15
PROTECT
45
FANON
5
(Thai model)
(EXCEPT Thai model)
(AC IN)
POWER TRANSFORMER
(SUB)
T902
POWER TRANSFORMER
(MAIN)
T901
+2.5V
D110
D906, 907
D111
POWER AMP
B+
POWER AMP
B–
VOLTAGE
SELECTOR
S971
+5V
REGULATOR
IC104
B+ SWITCH
Q7409, 7410
RECT
D104
D104
RECT
D902 – 905
PROTECT
Q114
M101
(FAN)
(FAN)
+6V
REGULATOR
IC103
RECT
D106 – 109
+3.3V
REGULATOR
IC7406
+2.5V
REGULATOR
IC7401
+1.5V
D/A B+
E.VOL B+
IF +5V
+5V
+3.3V
+6V
+1.5V
REGULATOR
IC7404
RESET SIGNAL
GENERATOR
IC7403
B+ SWITCH
Q7401, 7402
MAIN POWER
ON/OFF
RELAY DRIVE
Q902
35
PWR_RY
39
DIAT_OFF
STOP
B+ SWITCH
Q7407, 7408
B+ SWITCH
Q112
FAN MOTOR
DRIVE
Q111, 117
REGULATOR
Q113
47
PSAVE
19
32
RST
44
FAN_CLK
RY901
F971
M
M
AC DETECT
Q901
TA-FLX9W
8
8
TA-FLX9W
•
Note for Printed Wiring Boards and Schematic Diagrams
Note on Printed Wiring Boards:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
•
Indication of transistor.
C
B
These are omitted.
E
Q
Note on Schematic Diagram:
•
All capacitors are in
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
•
All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
• 2
: nonflammable resistor.
• C
: panel designation.
• A
: B+ Line.
• B
: B– Line.
•
Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
Note: When mesurering voltages and waveforms, con-
under no-signal (detuned) conditions.
Note: When mesurering voltages and waveforms, con-
nect with HCD-FLX9W (states: tuner).
no mark : TUNER
∗
: Impossible to measure
•
Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
•
Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
Voltage variations may be noted due to normal produc-
tion tolerances.
•
Circled numbers refer to waveforms.
•
Signal path.
F
: AUDIO
•
Abbreviation
TH
TH
: Thai model
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
•
Waveforms
– RX Board –
80.5 ns
3.3 Vp-p
81 ns
2.9Vp-p
1 V/DIV, 50 ns/DIV
1 V/DIV, 50 ns/DIV
IC7402
rd
(OSCO)
2
IC7405
wd
(X1)
1
•
Circuit Board Location
PSW board
LED board
RX board
VS board
(EXCEPT Thai)
(EXCEPT Thai)
MAIN board
STBY board
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