Sony CDX-GT690UI Service Manual page 24

CDX-GT690UI/GT696UI
• 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
DETECTION PROTECTION
SWITCH
ANT-REM 27
AMP-REM 29 SWITCH
SERVO-3.3V 31
MECH-6V
33
VP 35
REFERENCE
VOLTAGE
LOADDUMP
BU+B 37
REGULATOR PROTECTION
CDX-GT690UI/GT696UI
IC601 BA8271F-E2 (MAIN Board (1/3))
BUS_ON 1
2 I2C_SIO
I 2 C BUS
RST 2
4 I2C_SCK
6
VP2
BATT 3
8 P-GND1
CLK 4
VREF 5
10 SVR
DATA_I/O 6
12 IN-FL
GND 7
14
IN-FR
16 BEEP
18 P-GND3
20
VP1
22 STB
24 P-GND4
ENABLE
LOGIC
26 RST
28 CRES
AUDIO+B
30
(8.5V)
32 GND
34 PANEL+B
36 CBU
BACK-UP
SWITCH
BUS ON 14 VCC
SWITCH
RESET
13 RST
SWITCH
12 BUS_IN
11 CLK_IN
BATTERY
10 BU_CHECK
SWITCH
9 DATA_IN
8 DATA_OUT
AMRFIN 1
AMRFDEC 2
FMIN2 3
FMIN1 4
GNDRF 5
VCC2 6
AMRFAGC 7
LOUT 8
ROUT 9
GNDAUD 10
AMIFAGC2 11
MPXIN 12
MPXOUT 13
RSSI 14
XTAL2 15
XTAL1 16
24 24
IC302 TK11133CSCL-G (MAIN Board (1/3))
5 4
OVERHEAT &
OVERCURRENT
PROTECTION
CONTROL
CIRCUIT
BAND GAP
REFERENCE
1 2 3
IC1 TEF6617T/V1/S470,518 (MAIN Board (2/3))
AM
TUNER
FM
TUNER
RDS
DEMODULATOR
AND
DECODER
STEREO DECODER
HIGH CUT
OUTPUT
SOFT MUTE
NOISE BLANKER
SIGNAL
IMPROVEMENT
CONTROL
BANDWIDTH
CONTROL
32 AMSELOUT2
31 AMSELOUT1
30 AMIFAGC1
29 AMSELIN2
28 AMSELIN1
27 DAV N
26 PLLREF
PLL
TUNING 25 PLL
SYSTEM
24 VCODEC
23 GND
VCC1
22
POWER
SUPPLY
21 VREGSUP
VREF
20
SDA
19
I2C BUS
18 SCL
17 GNDD