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CDX-GT33U
CDX-GT33U
26
26
•
IC Block Diagrams
IC302 BD3442FS-E2 (MAIN Board (2/3))
IC301 TDA8589AJ/N2/R1/M5 (MAIN Board (1/3)) (AEP
,
U
K
model)
IC301 TDA8589AJ/N2/R1 (MAIN Board (1/3)) (Except
A
E
P
,
U
K
model)
MUTE
MUTE
ENABLE
LOGIC
STANDBY/
MUTE
BATTERY
DETECTION
CHIP DETECT/
DIAGNOSTIC
PROTECTION/
DIAGNOSTIC
SWITCH
REGULATOR
SWITCH
REFERENCE
VOLTAGE
LOAD DUMP
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
SERVO+3.3V
MECHA+6V
VP
BU+B
SDA
SCL
VP2
P-GND1
SVR
IN-FL
IN-FR
BEEP
P-GND3
VP1
STB
P-GND4
RST
CRES
AUDIO+B
(8.5V)
GND
PANEL+B
CBU
FL
RL
RR
VP
FR
I
2
C BUS
1
2
BUS_LCH
100k
100k
100k
100k
100k
100k
250k
250k
250k
BUS_RCH
TU_LCH
3
4
TU_RCH
5
CD_LCH
6
CD_RCH
7
AUX_LCH
8
AUX_GND
9
AUX_RCH
10
DS3-L
11
DS1-L
12
DS2-L
13
EBIAS
14
DS2-R
15
DS1-R
16
DS3-R
26
OUT-FL
27
VCC
VCC
VCC2
28
MUTE
29
SCL
30
SDA
31
GND
32
FIL
INPUT
SELECTOR
VOLUME1
/MUTE
VOLUME2
I2C
BUS
LOGIC
TREBLE
/BASS
/MIDDLE
SPECTRUM
ANALYZER
25
OUT-FR
24
OUT-RL
23
OUT-RR
22
SUBOUT-R
21
20
SUBOUT-L
19
ADJ
18
SAOUT
17
SADA
SACLK
LPF
EFFECT
INPUT
GAIN
FADER
FADER
FADER
FADER
FADER
FADER
IC001 TEF6607T/V4/S470/M5,518 (MAIN Board (2/3)) (AEP
,
U
K
model)
IC001 TEF6607T/V4/S470,518 (MAIN Board (2/3)) (Except
AEP
,
U
K
model)
AMRFIN
1
AMRFDEC
2
FMIN2
3
FMIN1
4
LOUT
8
ROUT
9
MPXOUT
13
RSSI
14
XTAL2
15
XTAL1
16
GNDAUD
10
GNDRF
5
VCC2
6
AMRFAGC
7
AMIFAGC2
11
MPXIN
12
AMSELOUT2
32
AMSELOUT1
31
AMIFAGC1
30
AMSELIN2
29
PLL
25
VCODEC
24
VREF
20
SDA
19
SCL
18
GNDD
17
GND
23
AMSELIN1
28
TEST
27
PLLREF
26
VCC1
22
VREGSUP
21
AM
TUNER
FM
TUNER
OUTPUT
PLL
TUNING
SYSTEM
I2C BUS
POWER
SUPPLY
STEREO DECODER
HIGH CUT
SOFT MUTE
NOISE BLANKER
SIGNAL
IMPROVEMENT
CONTROL
BAND WIDTH
CONTROL