Sony CDX-GT210 / CDX-GT212 / CDX-GT262 / CDX-GT262S / CXS-GT2113 Service Manual ▷ View online
25
CDX-GT210/GT212/GT262/GT262S
• IC BLOCK DIAGRAMS
IC401 BD3444FS-E2 (MAIN Board (1/3))
FIL
20
GND
19
SDA
18
SCL
17
MUTE
16
VCC
15
OUT-FR
14
OUT-FL
13
OUT-RR
12
OUT-RL
11
FADER
VCC
FADER:
0 – -62dB/1dB step
0 – -62dB/1dB step
TREBLE:
• fc = 10kHz
• GAIN = ±20dB/1dB step
• Q = 1
• fc = 10kHz
• GAIN = ±20dB/1dB step
• Q = 1
BASS:
• fc = 100Hz
• GAIN = ±20dB/1dB step
• Q = 1
• fc = 100Hz
• GAIN = ±20dB/1dB step
• Q = 1
VCO
I
2
C BUS
LOGIC
FADER
FADER
FADER
BUS-RCH
1
BUS-LCH
2
TU-RCH
3
TU-LCH
4
CD-RCH
5
CD-LCH
6
AUX-RCH
7
DN1
8
DN2
9
AUX-LCH
10
INPUT SELECTOR
INPUT GAIN
(0 – -20dB/1dB step)
PRIMARY VOLUME
(+12dB – -20dB/1dB step)
MUTE
BASS/TREBLE
VCC/2
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
IC51 TDA7333013TR (MAIN Board (1/3))
26
CDX-GT210/GT212/GT262/GT262S
IC750 TDA8588BJ/N2/R1 (GT262/GT262S) (MAIN Board (2/3))
IC750 TDA8589BJ/N2/R1 (GT210/GT212) (MAIN Board (2/3))
IC750 TDA8589BJ/N2/R1 (GT210/GT212) (MAIN Board (2/3))
MUTE
MUTE
ENABLE
LOGIC
STANDBY/
MUTE
BATTERY
DETECTION
CHIP DETECT/
DIAGNOSTIC
PROTECTION/
DIAGNOSTIC
SWITCH
REGULATOR
SWITCH
REFERENCE
VOLTAGE
LOADDUMP
PROTECTION
TEMPERATURE
PROTECTION
BACK-UP
SWITCH
REGULATOR
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
TAB
OUT-FL-
OUT-FL+
OUT-RL-
OUT-RL+
IN-RL
S-GND
IN-RR
OUT-RR+
OUT-RR-
OUT-FR+
OUT-FR-
DIAG
ANT-REM
AMP-REM
SERVO5V
MECH6V
VP
B.UP+B
SDA
SCL
VP2
PGND3
SVR
IN-FL
IN-FR
BEEP
PGND2
VP1
STB
PGND1
RST
CRES
AUDIO8.3V
GND
PANEL+B
CBU
FL
RL
RR
VP
FR
I
2
C BUS
Ver. 1.2
27
CDX-GT210/GT212/GT262/GT262S
• IC PIN DESCRIPTIONS
• IC501 MB90F045PF-G-9014-SPE1 (SYSTEM CONTROL) (MAIN BOARD (3/3))
Pin No.
Pin Name
I/O
Pin Description
1
AREASEL0
I
Destination setting pin
2
AREASEL1
I
Destination setting pin
3
AREASEL2
I
Frequency select signal input
4
B-OUT SEL
I
Blackout existence distinction signal input (L: blackout none, H: blackout)
5
BEEP
O
BEEP signal output
6
CYRIL_SEL
I
Distinction pin for Cyril word. (L: not for the Kiril word, H: for the Kiril word)
7
NOSE_SW
I
Front panel detaching detection signal input (L: Panel on, H: Panel off)
8
DIAG
I
Status signal input from power amplifier.
9
VOLATT
O
Electronic volume attenuate control signal output.
10
NCO
O
Not used. (Open)
11
VSS
—
Ground
12
TUATT
O
Tuner mute control signal output
13
NSMASK
O
Noise mask signal output
14
ILLUMI_SEL1
I
Illumination voltage setting pin
15
ILLUMI_SEL2
I
Illumination voltage setting pin
16, 17
NCO
O
Not used. (Open)
18 to 20
NCO
O
Not used. (Open)
21, 22
NCO
O
Not used. (Open)
23
VCC5
—
Power supply (+3.3V)
24
EEP_SIO
I/O
EEPROM bus serial data input/output
25
EEP_CKO
O
EEPROM bus serial clock output
26
AMPSTB
O
Power AMP standby signal output
27
LCD_CE
O
LCD driver chip enable signal output
28
LCD_SO
O
LCD driver serial data signal output
29
LCD_SCK
O
LCD driver serial clock signal output
30
RDS ON
O
RDS ON signal output
31
RE-IN0
I
Rotary encoder signal input 0
32
RE-IN1
I
Rotary encoder signal input 1
33
I2C_CKO
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 (+3.3V)
36
AVRH
—
A/D converter external reference power supply (+3.3V)
37
DAVSS
—
A/D converter Ground
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
43
RC_IN0
I
Rotary commander key signal input Not used in this set. (Pull up)
44 to 48
NCO
O
Not used. (Open)
49
MD0
I
Operation mode setting pin (Pull up)
50
MD1
I
Operation mode setting pin (Pull up)
51
MD2
I
Operation mode setting pin (Pull down)
52
KEYACK
I
Key acknowledgment detect signal input
53
TU_ATTIN
I
Tuner mute zero cross detect signal input
54
BUIN
I
Back-up power supply detect signal input
55
NCO
O
Not used. (Open)
56
DAVN
I
RDS data block synchronized detect signal input
28
CDX-GT210/GT212/GT262/GT262S
57
NCO
O
Not used. (Open)
58
UNISI
I
S-BUS data signal input
59
UNISO
O
S-BUS data signal output
60
UNISCK
O
S-BUS clock signal output
61
CODEC_SEL
I
Codec select signal input (H: MP3, L: non-MP3)
62
KEYSEL
I
6key/8key distinction signal input (H: 8key, L: 6key)
63
NCO
O
Not used. (Open)
64
SIRCS
I
Remote control signal input
65 to 67
NCO
O
Not used. (Open)
68
FLASH_W
I
Memory mode select signal input Not used in this set. (Pull up)
69, 70
NCO
O
Not used. (Open)
71
RC_IN1
I
Rotary commander shift key signal input Not used in this set. (Pull up)
72
ACC_IN
I
Accessory power supply detect signal input
73
TESTIN
I
Test mode detect signal input
74
TELATT
I
Telephone attenuate detect signal input
75
NCO
O
Not used. (Open)
76
AD_ON
O
A/D converter power supply control signal output
77
RESET
I
System reset signal input
78
NCO
O
Not used. (Open)
79
XOUT
O
Sub clock signal output (32.768kHz)
80
XIN
I
Sub clock signal input (32.768kHz)
81
VSS1
—
Ground
82
OSCIN
I
Main clock signal input (18.432kHz)
83
OSCOUT
O
Main clock signal output (18.432kHz)
84
VCC3
—
Power supply (+3.3 V)
85
DEMOSEL
I
DEMO select signal input (H: DEMO on, L: DEMO off)
86
ATT
O
Audio mute control signal output
87
BUSON
O
BUS ON signal output
88
SYSRST
O
System reset signal output
89
NCO
O
Not used. (Open)
90, 91
NCO
O
Not used. (Open)
92
NCO
O
Not used. (Open)
93
Z-MUTE
I
CD zero cross mute detect signal input
94, 95
NCO
O
Not used. (Open)
96
MO-DISP
I
Motion display select signal input (H: Motion display on, L: Motion display off)
97
DIM_SEL
I
Dimmer select signal input Not used in this set. (Pull down)
98
CD_ON
I
CD mechanism servo power control request signal input
99
CDM_ON
I
CD mechanism deck power control request signal input
100
COL_SW
I
Illumination color select signal input Not used in this set. (Pull down)
Pin No.
Pin Name
I/O
Pin Description
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