Sony CDX-GT590UI Service Manual page 22

CDX-GT590UI/GT595UI
• IC Block Diagrams
IC301 TDA8588AJ/N2/R1 (MAIN Board (1/3))
TAB 1
OUT-FL– 3
FL
OUT-FL+ 5
OUT-RL– 7
RL
OUT-RL+ 9
IN-RL 11
S-GND 13
PROTECTION/
DIAGNOSTIC
IN-RR 15
VP
OUT-RR+ 17
RR
OUT-RR– 19
OUT-FR+ 21
STANDBY/
FR
MUTE
OUT-FR– 23
CHIP DETECT/
DIAGNOSTIC
BATTERY TEMPERATURE
DIAG 25
ENABLE
DETECTION PROTECTION
SWITCH
ANT-REM 27
AMP-REM 29 SWITCH
SERVO-3.3V 31
MECH-6V
33
VP 35
REFERENCE
VOLTAGE
LOADDUMP
BACK-UP
BU+B 37
REGULATOR PROTECTION
CDX-GT590UI/GT595UI
IC402 TK11133CSCL-G (MAIN Board (1/3))
5
2 I2C_SIO
I 2 C BUS
OVERHEAT &
4 I2C_SCK OVERCURRENT
PROTECTION
6 CONTROL
VP2
CIRCUIT
8 P-GND1
BAND GAP
REFERENCE
10 SVR
12 IN-FL
14
IN-FR
1
16 BEEP
18 P-GND3
20
VP1
22 STB
24 P-GND4
LOGIC
26 RST
28 CRES
AUDIO+B
30
(8.5V)
32 GND
34 PANEL+B
36 CBU
SWITCH
IC501 TPS40200DRG4 (MAIN Board (2/3))
4
RC 1
SS 2
COMP 3
2 3
FB 4
IC502 TC7WH123FU(TE12R) (MAIN Board (2/3))
8 7
1 2
IC503 NJM2387ADL3(TE2) (MAIN Board (2/3))
OVERVOLTAGE
PROTECTION
1 2
VIN CONT
22 22
UVLO
OSC
PWM
LOGIC
E/A AND SS
REFERENCE
SOFT-START
AND
OVERCURRENT
700mV
ENABLE E/A
6 5
3 4
CURRENT
LIMIT
THERMAL
PROTECTION
BAND GAP
REFERENCE
3 4 5
VOUT VADJ GND
8 VCC
7 ISNS
DRIVER 6 DRV
5
GND