Sony CDX-GT33U Service Manual ▷ View online
CDX-GT33U
CDX-GT33U
25
25
R902
R903
R904
R906
R909
R910
R911
R913
R912
R914
R915
R916
R905
R981
R982
D982
R932
R934
R931
R975
R974
D981
D991
D992
D993
R907
R908
R987
R977
R979
R978
R921
R922
CN901
FB904
LF901
C905
FB901
FB902
FB903
FB902
FB903
C901
R901
S901
S902
S903
LSW909(1/2)
LSW910(1/2)
LSW911(1/2)
LSW912(1/2)
LSW913(1/2)
LSW914(1/2)
LSW915(1/2)
LSW916(1/2)
LSW917(1/2)
LSW907(1/2)
S905
LSW908(1/2)
S906
C981
C971
RB901
D994
D908
D909
D903
C903
S904
C986
C984
C983
R984
R985
R986
R985
R986
IC971
LSW917(2/2)
LSW916(2/2)
LSW914(2/2)
LSW915(2/2)
LSW913(2/2)
LSW912(2/2)
LSW911(2/2)
LSW910(2/2)
LSW909(2/2)
LSW908(2/2)
LSW907(2/2)
D804
LCD901
RE901
J901
FB907
FB906
CN902
IC901
Q931
LED943
LED931
LED946
R955
R956
LED941
R941
R942
LED942
R944
R943
R947
R948
R945
LED944
LED945
R946
R950
R949
R951
R952
R953
R954
R972
R971
D955
D951
D953
Q932
R992
Q801
LED952
LED953
LED951
4-8. SCHEMATIC DIAGRAM – KEY Section –
(Page 22)
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, UK model)
IC301 TDA8589AJ/N2/R1 (MAIN Board (1/3)) (Except AEP, UK model)
IC301 TDA8589AJ/N2/R1 (MAIN Board (1/3)) (Except AEP, UK 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)
(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, UK model)
IC001 TEF6607T/V4/S470,518 (MAIN Board (2/3)) (Except AEP, UK model)
IC001 TEF6607T/V4/S470,518 (MAIN Board (2/3)) (Except AEP, UK 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
CDX-GT33U
27
IC601 TDA7333013TR (MAIN Board (2/3)) (AEP, UK, IT, RU model)
IC501 TPS40200DRG4 (MAIN Board (3/3))
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
RESET
TM
1
MPX
16
CSN
SDAOUT
RDSREG
3
INTN
MPX
SINC4REG
SDAIN
SCK
SCK
SPI
TESTREG
TESTREG
14
2
3
4
5
6
7
8
INTN
15
SA
13
SDA
12
SCL
11
OSCILLATOR
XT0
10
XT1
9
RDS
DEMODULATOR &
SYNCHRONIZATION
2
1
2
RC
GND
DRV
ISNS
VCC
SS
3
COMP
4
FB
SOFT-START
AND
OVERCURRENT
700mV
ENABLE E/A
E/A AND SS
REFERENCE
REFERENCE
7
8
6
5
UVLO
OSC
PWM
LOGIC
DRIVER
IC503 NJM2387ADL3(TE2) (MAIN Board (3/3))
1
2
3
4
5
CURRENT
LIMIT
THERMAL
PROTECTION
OVERVOLTAGE
PROTECTION
BAND GAP
REFERENCE
VIN
CONT
VOUT
VADJ
GND
CDX-GT33U
28
• IC Pin Function Description
MAIN BOARD (3/3) IC401 MB90F882PF-G-102E1 (SYSTEM CONTROL)
MAIN BOARD (3/3) IC401 MB90F882PF-G-102E1 (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1
NCO
O
Not used. (Open)
2
B-OUT_SEL
I
Black out setting signal input (L: no black out (AEP, UK, IT, RU model), H: Black out (E, MX
model))
model))
3 to 6
NCO
O
Not used. (Open)
7
NOSE_SW
I
Front panel detach detect signal input
8 to 10
NCO
O
Not used. (Open)
11
RE_IN0
I
Rotary encoder signal input 0
12
RE_IN1
I
Rotary encoder signal input 1
13
X_OUT
O
Low speed operation clock signal output (32.768 kHz)
14
X_IN
I
Low speed operation clock signal input (32.768 kHz)
15
VCC
—
Power supply pin (+3.3 V)
16
VSS
—
Ground
17
C
—
Regulator reference capacitor connecting pin
18
UNISI
I
SONY-BUS data input (Fixed at L in this set)
19
UNISO
O
SONY-BUS data output (Not used in this set)
20
UNISCK
O
SONY-BUS clock signal output (Not used in this set)
21
USB_ON
O
USB over current detect IC control signal output
22
I2C_SIO
I/O
I2C serial data input/output
23
I2C_SCK
O
I2C serial clock signal output
24
USB_OVER
I
USB over current detect signal input
25
BUS_ON
O
BUS ON signal output (Fixed at H in this set)
26
SYS_RST
O
System reset signal output
27
CD_ON
I
CD mechanism servo power supply control request signal input
28
CDM_ON
I
CD mechanism deck power supply control request signal input
29
ACC_IN
I
Accessory power supply detect signal input
30
TEL_ATT
I
Telephone attenuator detect signal input (L: E, MX model, H: AEP, UK, IT, RU model)
31
ATT
O
Audio mute control signal output
32
AVCC
—
A/D converter power supply pin (+3.3 V)
33
AVRH
—
A/D converter external reference power supply pin (+3.3 V)
34
RC_IN1
I
Rotary commander shift key signal input 1
35
AVSS
—
Ground for A/D converter
36
NCO
O
Not used. (Open)
37
VSM
I
S meter voltage detect signal input
38
SA_IN
I
Spectrum analyzer DC input
39
KEY_IN1
I
Key signal input 1
40
KEY_IN0
I
Key signal input 0
41
RC_IN0
I
Rotary commander shift key signal input 0
42, 43
NCO
O
Not used. (Open)
44
VSS
—
Ground
45
KEY_ACK0
I
Key acknowledge detect signal input (Rotary commander)
46
KEY_ACK1
I
Key acknowledge detect signal input (Front panel)
47
EXTATT_XEN
O
L is sent when electronic volume IC has the status of CD/USB (H is sent when it has the
status of other source)
status of other source)
48
LCD_CE
O
LCD driver chip enable signal output
49
LCD_SO
O
LCD driver serial data output
50
LCD_SCK
O
LCD driver serial clock signal output
51
MOD2
I
Micon operation mode setting signal input (active: L)
52
MOD1
I
Micon operation mode setting signal input (Fixed at H in this set)
53
MOD0
I
Micon operation mode setting signal input (active: H)
54
RESET
I
Reset signal input
55
AREA_SEL2
I
Destination setting pin 2 (L: AEP, UK, IT, RU model, H: E, MX model)
56
AREA_SEL1
I
Destination setting pin 1 (Fixed at L in this set)
57
AREA_SEL0
I
Destination setting pin 0 (L: E, MX model, H: AEP, UK, IT, RU model)
58
WAKE_UP
O
CD mechanism deck micon wake up signal output
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