Sony CDX-GT52UM - IC Block Diagrams

CDX-GT52UM/GT470UE/GT470UM/GT472UE/GT472UM/GT474UM/GT520U/GT525U
CDX-GT52UM/GT470UE/GT470UM/GT472UE/GT472UM/GT474UM/GT520U/GT525U
4444
• IC Block Diagrams
– MAIN Board –
IC301 TDF8556AJ/N5
IC402 MM1836A33NRE
VOUT
4
CONT 1
GND
2
NC
3
VIN
5
+
–
VOLTAGE
REFERENCE
REGULATOR
CURRENT
LIMIT
THERMAL
SHUTDOWN
BIAS
IC401 BD3467FV-E2
IC603 BU33TD3WG-TR
IC681, 682 BU15TD3WG-TR
2GND
1VIN
VOUT5
VOLTAGE
REFERENCE
3STBY
NC
4
STANDBY
OVER CURRENT
PROTECTION
THERMAL
SHUTDOWN
+
–
MUTE
MUTE
ENABLE
LOGIC
STANDBY/
MUTE
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
I2C_SIO
I2C_SCK
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
A1 1
INPUT SELECTOR
(2 SINGLE-END AND 4 STEREO ISO)
MUTE
MAIN GAIN
ADJUST
SUB GAIN
ADJUST
I2C
BUS
LOGIC
2ND ORDER LOW-PASS FILTER
INPUT GAIN
OUTC40
A2 2
B1 3
B2 4
CP1 5
CN 6
CP2
7
ISO
GND
AMP
ISO
GND
AMP
DP1
8
DN 9
DP2
10
ISO
GND
AMP
ISO
GND
AMP
EP1
11
EN 12
EP2
13
ISO
GND
AMP
ISO
GND
AMP
FP1
14
FN1 15
ISO
GND
AMP
FN2
16
FP2 17
MIN 18
SPA1
19
SPA2 20
ISO
GND
AMP
OUTS39
OUTR138
OUTR237
OUTF136
OUTF235
INF234
IG128
IG227
VCC
26
INF133
INR232
INR131
INS30
INC29
FADER
ATT
FADER
ATT
FADER
ATT
FADER
ATT
FADER
ATT
FADER
ATT
FADER
BOOST
FADER
BOOST
FADER
BOOST
FADER
BOOST
FADER
BOOST
FADER
BOOST
+
+
VCC
FIL25
GND
24
SDA23
SCL22
MUTEB21