Sony CDX-GT310 Service Manual ▷ View online
25
CDX-GT310
IC401 BD3442FS-E2 (MAIN Board (2/3))
1
2
BUS-RCH
100k
100k
100k
100k
100k
100k
250k
250k
250k
BUS-LCH
TU-RCH 3
4
TU-LCH
5
CD-RCH
6
CD-LCH
7
AUX-RCH
8
AUX-GND
9
AUX-LCH
10
DS3-L
11
DS1-L
12
DS2-L
13
EBIAS
14
DS2-R
15
DS1-R
16
DS3-R
26 OUT-FR
27 VCC
VCC
VCC2
28 MUTE
29 SCL
30 SDA
31 GND
32 F2L
INPUT
SELECTOR
VOLUME1
/MUTE
VOLUME2
I2C
BUS
LOGIC
TREBLE
/BASS
/MIDDLE
SPECTRUM
ANALYZER
FADER
25 OUT-FL
24 OUT-RR
23 OUT-RL
FADER
FADER
22 SUBOUT-R
21
20
SUBOUT-L
19
ADJ
18
SAOUT
17
SADA
SACLK
FADER
FADER
LPF
EFFECT
INPUT
GAIN
FADER
IC50 TDA7333013TR (MAIN Board (2/3))
VDDA
INTERPOLATOR
RAM
BUFFER
&
CONTROL
LOGIC
TEST LOGIC
&
PIN MUX'S
I
2
C/SPI
INTERFACE
BAND PASS
FILTER
SIGMA DELTA
CONVERTER
SINC4
FILTER
REF3
REF2
REF1
VSS
VDDD
RESETN
TM
1
MPX
16
CSN
SDAOUT
RDSREG
3
INTN
MPX
SINC4REG
SDAIN
SCK
SPI
TESTREG
SCK
SPI
TESTREG
14
2
3
4
5
6
7
8
INTN
15
SA_DATAOUT
13
SDA_DATAIN
12
SCL_CLK
11
OSCILLATOR
XTO
10
XTI
9
RDS
DEMODULATOR &
SYNCHRONIZATION
2
26
CDX-GT310
• IC PIN DESCRIPTION
IC501 MB90F045PF-G-9015-SPE1 (SYSTEM CONTROL) (MAIN BOARD (3/3))
Pin No.
Pin Name
I/O
Pin Description
1
AREASEL0
I
Destination setting pin 0
2
AREASEL1
I
Destination setting pin 1
3
AREASEL2
I
Destination setting pin 2
4
B-OUT SEL
I
Black-out with/without discrimination signal input “H”: Black-out
5
BEEP
O
Beep signal output
6
NCO
O
Not used. (Open)
7
DIAG
I
Status signal input from power amplifier
8
AMPSTB
O
Standby signal output to power amplifier
9
VOLATT
O
Electronic volume attenuate control signal output
10
NCO
O
Not used. (Open)
11
VSS
—
Ground pin
12
TUATT
O
Tuner mute control signal output
13
NSMASK
O
Noise mask signal output
14
ILLUMI SEL
I
Illumination voltage setting signal input
15
COL SEL
I
Two colors change setting signal input
16 to 22
NCO
O
Not used. (Open)
23
VCC5
—
Power supply pin (+3.3 V)
24
EEP SIO
I/O
EEPROM bus serial data signal input/output
25
EEP CKO
O
EEPROM bus serial clock signal output
26
RDS ON
O
RDS (Radio Data System) on signal output Tuner on: “L”
27
FL CS
O
Fluorescent indicator tube chip select signal output
28
FL SO
O
Fluorescent indicator tube serial data signal output
29
FL SCK
O
Fluorescent indicator tube serial clock signal output
30
NCO
O
Not used. (Open)
31
RE IN0
I
Rotary encoder signal input 0
32
RE IN1
I
Rotary encoder signal input 1
33
I2C SCK
O
I2C bus serial clock signal output
34
I2C SIO
I/O
I2C bus serial data signal input/output
35
DAVDD
—
A/D converter power supply pin (+3.3 V)
36
AVRH
—
A/D converter external reference power supply pin (+3.3 V)
37
DAVSS
—
Ground pin
38
QUALITY
I
Noise detect signal input
39
VSM
I
S-meter voltage detect signal input
40
KEYIN1
I
Key signal input 1
41
KEYIN0
I
Key signal input 0
42
VSS
—
Ground pin
43
RCIN0
I
Rotary commander key signal input
44 to 47
NCO
O
Not used. (open)
48
AD ON
O
A/D converter power supply control signal output
49
MD0
I
Operation mode setting pin (Connect to VDD.)
50
MD1
I
Operation mode setting pin (Connect to VDD.)
51
MD2
I
Operation mode setting pin (Connect to VSS.)
52
KEYACK
I
Key acknowledgment detect signal input
53
TUATTIN
I
Tuner mute zero cross detect signal input
54
BUIN
I
Back-up power supply detect signal input
55
NCO
O
Not used. (Open)
27
CDX-GT310
56
DAVN
I
RDS (Radio Data System) data block synchronized detect signal input
57
NCO
O
Not used. (Open)
58
UNISI
I
SONY bus data signal input
59
UNISO
O
SONY bus data signal output
60
UNI SCK
O
SONY bus clock signal output
61
Z MUTE
I
Mute signal input
62
NOSE SW
I
Front panel attachment detect signal input “L”: With panel, “H”: Without panel
63
FLASH W
I
Memory mode change signal input Normally “H”: Single chip mode, after reset
“L”: flash write mode
64
SIRCS
I
Remote control signal input
65 to 70
NCO
O
Not used. (Open)
71
RC IN1
I
Rotary commander shift key signal input Not used in this set.
72 to 76
NCO
O
Not used. (Open)
77
RESET
I
CPU reset signal input
78
NCO
O
Not used. (Open)
79
XIN
I
Low speed operation clock signal input (32.768 kHz)
80
XOUT
O
Low speed operation clock signal output (32.768 kHz)
81
VSS1
—
Ground pin
82
OSCIN
I
High speed operation clock signal input (18.432 MHz)
83
OSCOUT
O
High speed operation clock signal output (18.432 MHz)
84
VCC3
—
Power supply pin (+3.3 V)
85
CYRIL SEL
I
Cyril correspondence discrimination signal input “L”: No correspondence
86
DEMOSEL
I
DEMO select signal input “H”: DEMO on, “L”: DEMO off
87
FL ON
O
Fluorescent indicator tube power on signal output
88
SYSRST
O
System reset signal output
89, 90
NCO
O
Not used. (Open)
91
CDON
I
CD mechanism servo power supply control request signal input
92
CDMON
I
CD mechanism deck power supply control request signal input
93 to 95
NCO
O
Not used. (Open)
96
BUSON
O
Bus on signal output
97
TESTIN
I
Test mode detect signal input
98
TELATT
I
Telephone attenuate detect signal input
99 ACCIN I Accessory power supply detect signal input
100
ATT
O
Audio mute control signal output
Pin No.
Pin Name
I/O
Pin Description
28
CDX-GT310
SECTION 5
EXPLODED VIEWS
1
X-2148-784-1 PANEL (FL) ASSY, SUB
2
3-042-244-11 SCREW (T)
3
X-2108-670-1 LOCK ASSY (S)
4
2-050-124-01 SCREW +BTT 2.6X5
5
A-1206-366-A MAIN BOARD, COMPLETE (AEP,UK)
5
A-1221-591-A MAIN BOARD, COMPLETE (RU)
6
2-021-848-01 SHEET (TU), GROUND
7
1-831-838-11 CORD (WITH CONNECTOR) (ISO) (POWER)
F901
1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) 10A
TU1
A-3220-961-B TUNER UNIT (TUX-032)
#1
7-685-792-09 SCREW +PTT 2.6X6 (S)
#2
7-685-790-01 SCREW +PTT 2.6X4 (S)
#3
7-685-793-09 SCREW +PTT 2.6X8 (S)
#4
7-685-794-09 SCREW +PTT 2.6X10 (S)
#5
7-685-134-19 SCREW +P 2.6X8 TYPE2 NON-SLIT
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
NOTE:
•
The mechanical parts with no reference
number in the exploded views are not supplied.
number in the exploded views are not supplied.
•
Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
•
-XX and -X mean standardized parts, so
they may have some difference from the
original one.
they may have some difference from the
original one.
•
Color Indication of Appearance Parts
Example :
Example :
KNOB, BALANCE (WHITE) ... (RED)
Parts Color Cabinet’s Color
•
Accessories are given in the last of this parts list.
5-1.
MAIN SECTION
R
R
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
not supplied
not supplied
F901
not supplied
TU1
not supplied
not supplied
#1
#1
#1
#3
#4
#4
#4
#5
#3
#4
#2
#1
MG-101TA-188//Q
A
A
B
B
1
2
3
4
7
6
A
5
Ver. 1.1
•
Abbreviation
RU: Russia model
RU: Russia model
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