Sony DSX-S300BTX Service Manual ▷ View online
DSX-S300BTX
13
3-3. TRAY
ASSY
3-4. SUB PANEL COMPLETE ASSY
1
two screws
(P2.6
u 10)
1
screw
(P2.6
u 10)
1
screw
(P2.6
u 10)
2
3
connector
(CN201)
4
tray assy
3
two claws
4
1
Lift up the
lead
pin.
3
two claws
6
sub panel complete assy
5
flexible flat cable (25 core)
(CN701)
2
microphone connector
(CN803)
DSX-S300BTX
14
1
rubber (VOL)
3
knob (VOL/TOP) block
5
knob (VOL/BASE)
2
Alternately insert tweezers in two holes of the side of the
knob (VOL/TOP) block, and raise vol on little by little.
Note
2: Please do not damage the knob (VOL/TOP).
tweezers
knob (VOL/TOP) block
knob (VOL/BASE)
tweezers
hole
hole
4
Pull it out from the shaft of the rotary encoder while expanding two places where
the claw of the knob (VOL/BASE) is caught.
Note
3: Please do not expand forcibly, and do not break the claw of knob (VOL/BASE).
tweezers
flat
two claws of
knob (VOL/BASE)
knob (VOL/BASE)
shaft of the rotary encoder
front panel block
3-5. MAIN BOARD
3-6. VOLUME KNOB
Note 1: Neither rubber (VOL), knob (VOL/TOP) block nor knob (VOL/BASE) can exchange it only by those parts.
qd
two screws
(PTT2.6
u 8)
qj
two screws
(PS2.6
u 16)
qf
four screws
(PTT2.6
u 6)
0
screw
(PTT2.6
u 8)
ql
DC fan (25
u 25) (M101)
qg
4
screw
(PTT2.6
u 8)
3
connector
(CN601: US, Canadian/
CN603: AEP, Italian, UK, E)
6
connector (CN602)
2
Lift up the lead pin.
qs
lead wire
with
connector
(CN1004)
w;
MAIN board
5
connection cord for automobile
1
fuse (blade type) (auto fuse)
(10A/32V)
(FU101)
qh
fan connector
(CN103)
9
connector
(CN802)
qa
connection cord (MIC)
qk
fan duct
7
screw
(PTT2.6
u 8)
8
connection cord for automobile
Note: When the DC fan (25
u 25) and MAIN board are
mounted, lock two connection cord for automobiles
and wire DC fan (25
u 25) by push lead pin.
DSX-S300BTX
DSX-S300BTX
15
15
SECTION 4
TEST MODE
Note: The remote commander is necessary to check the test mode.
(Operation is possible with a remote commander other than the one
included with this set.)
SETTING THE TEST MODE
Setting method:
1. Press the [OFF] button to turn the power off.
2. Press the [4]
1. Press the [OFF] button to turn the power off.
2. Press the [4]
→ [5] → [1] buttons sequentially (the [1] button
is pressed for two seconds).
3. It is set to the test mode, and all segments of the EL indicator
element light.
Releasing method:
Press the [OFF] button.
Press the [OFF] button.
MICROPHONE AUDIO LOOPBACK
To confi rm the state of the external microphone/internal micro-
phone used when a handsfree function is used, the microphone
audio is output from the speaker.
The breakdown judgment of the microphone can be done without
connecting H/F with the cellular phone.
To confi rm the state of the external microphone/internal micro-
phone used when a handsfree function is used, the microphone
audio is output from the speaker.
The breakdown judgment of the microphone can be done without
connecting H/F with the cellular phone.
Procedure:
1. Enter the test mode.
2. Press the [SRC] button to select the Bluetooth Phone function.
3. On/off of the microphone audio loopback function changes
1. Enter the test mode.
2. Press the [SRC] button to select the Bluetooth Phone function.
3. On/off of the microphone audio loopback function changes
whenever the [2] button is pressed (The item of the “Loop-
Back” changes into “on”/“off”).
Back” changes into “on”/“off”).
EXTERNAL/INTERNAL MICROPHONE CHANGEOVER
You can confi rm whether the internal and external microphones
switch correctly.
The external microphone will be used when an external micro-
phone is plugged in to the MIC IN terminal.
You can confi rm whether the internal and external microphones
switch correctly.
The external microphone will be used when an external micro-
phone is plugged in to the MIC IN terminal.
Procedure:
1. Enter the test mode.
2. Press the [SRC] button to select the Bluetooth Phone function.
3. Plug in the external microphone into the MIC IN terminal (The
1. Enter the test mode.
2. Press the [SRC] button to select the Bluetooth Phone function.
3. Plug in the external microphone into the MIC IN terminal (The
item of the “MIC” changes into “External”/“Internal”).
THE EXTERNAL MICROPHONE DETECTION
STATE DISPLAY
Connected confi rmation of the external microphone detection line
is done.
The trouble that doesn't change into an external microphone occurs
when this detection circuit is broken.
STATE DISPLAY
Connected confi rmation of the external microphone detection line
is done.
The trouble that doesn't change into an external microphone occurs
when this detection circuit is broken.
Procedure:
1. Enter the test mode.
2. Press the [SRC] button to select the Bluetooth Phone function.
3. The detection state of the external microphone is displayed in
1. Enter the test mode.
2. Press the [SRC] button to select the Bluetooth Phone function.
3. The detection state of the external microphone is displayed in
the EL indicator element (“Non” or “Detected” are displayed
on the item of “MIC”).
on the item of “MIC”).
In this state, when the external microphone is pulled out, the
beep sound is output.
beep sound is output.
DSX-S300BTX
DSX-S300BTX
16
16
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM - AUDIO Section (1/2) -
SPI_SOMI
EEPROM
IC507
13
SPI_SIMO
12
NRESET
4
125 DP
127 DM
USB CONTROLLER
IC505 (1/2)
SYSTEM CONTROLLER
IC301 (1/3)
4
3
5
D+ (USB)
D– (USB)
57
CP_RESET
58
I2C_SCL
59
I2C_SDA
VBUS (USB)
VBUS (INTERNAL)
VBUS (EXTERNAL)
24
BSIF_LRCK
15
SP_DATA
14
SP_CLK
17 A-ATT
2 RESET IN
54
MC_TX
61 MC_RX
53
MC_RX
60 MC_TX
65
DSP_RST
85 /RST
66
DSP_SSTBY
37 /SRAMSTB
6 DOOR_SW
19
CD_SDI
18
CD_SDO
21
CD_BUSCLK
20
CD_XCCE
22
BSIF_DATA
25
BSIF_BCK
5
DEC_INT
9
DEC_XMUTE
70
ADIN1 (IN_L-CH)
74
ADIN2 (IN_R-CH)
PRE_L
PRE_R
A
27 SYSRST
DIGITAL SIGNAL PROCESSOR
IC605
92 BSIF_LRCK
91 BSIF_BCK
93 BSIF_XMUTE
23
BSIF_GATE
89 BSIF_GATE
4
BSIF_INT
88 BSIF_REQ
87 DEC_REQ
90 BSIF_DATA
67
XO
66
XI
X601
16.934MHz
SP_DATA
95
SP_CLK
96
BUS2/So
79
BUS3/Si
80
BUCK/SCL
81
/CCE
82
xSIGNAL PATH
: USB
: AUDIO
xR-ch is omitted due to same as L-ch.
80 BT_AUDIO_SEL or BTMUTE
D301
RESET
D119
MD_AUDIO_SEL
45 USB_SW
60
CD_XRST
8 CD_XRST
46 USB_EN
70
AT
T
72
ATT
DOOR_SW
C
BUIN
F
E
MUTING
CONTROL
Q106, 107
D503
B
D
D303
G_RST
(Except US, Canadian)
UNI_SO
17
UNI_SI
16
UNI_SCK
18
BUS_ON
26
BUIN
81
DATA I/O
DATA_IN
6
9
CLK
4
BUS_ON
1
RST
2
BATT
3
B/U B+
SONY BUS INTERFACE
IC101
CN101
5
4
6
2
7
TH101
D105
D106
BATTERY
CHECK
Q102
DATA_OUT 8
CLK_IN 11
BUS_IN 12
RST 13
B/U_CHECK 10
(US, Canadian)
BATTERY
CHECK
Q109, 110
CN201
(INTERNAL)
3
2
1
D+ (USB)
D– (USB)
VBUS (USB)
CN900
(EXTERNAL)
BUS CONTROL IN
USB SELECT
SWITCH
IC503
59
DA04 (F_L-CH)
61
DA05 (F_R-CH)
R-CH
54
DA02 (R_L-CH)
52
DA01 (SUB-CH)
57
DA03 (R_R-CH)
R-CH
FL
FL, RL, SUB
RL
SUB
FLASH MEMORY
IC504
DQ0 – DQ14, DQ15/A1
WE#
11
A0 – A20
D0 – D15
A0 – A20
110
WE
OE#
28
OE
26
111
CSO
CE#
15
3
FROM_BUSY
R
Y/BY#
12
109
RESET#
16
21
BT BOARD
PAT001
(PATTERN ANTENNA)
MIC801
LCH_P
RCH_P
R-CH
LCH_N
RCH_N
R-CH
56 BT_MIC_DET
MUTE
MIC
+3.3V
+3.3V
MIC
B+ SWITCH
Q802, 803
MIC INPUT
SELECT
IC801
MIC IN
BT_POW
MASTER_CTS
RESET
BT_POWER
54
BT_CTX
51
BT_RST
55
MASTER_TX
MASTER_RX
BT_TX
49
BT_RX
50
MASTER_RTS
BT_RTX
52
BT_L_P
BT_L_N
H
MIC B+
X501
12MHz
132
130
XI
XO
D502
: Bluetooth
: MIC
(Page 18)
(Page 18)
(Page 17)
(Page 18)
(Page 17)
(Page 17)
(Page 17)
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