Sony CDX-GT660U - Page 32

3232
CDX-GT610U/GT660U/GT660US
CDX-GT610U/GT660U/GT660US
• IC BLOCK DIAGRAMS
IC601 BA8271F-E2 (MAIN Board (1/3))
1
2
3
4
5
6
7 8
9
10
14
13
12
11
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUS ON
RST
BATT
CLK
VREF
GND
VCC
RESET
BUS ON
CLK IN
BU IN
DATA IN
DATA OUT
DATA
IC401 BD3442FS-E2 (MAIN Board (2/3))
1
2
BUS-RCH
100k
100k
100k
100k
100k
100k
250k
250k
250k
BUS-LCH
TU-RCH
3
4
TU-LCH
5
CD-RCH
6
CD-LCH
7
AUX-RCH
8
AUX-GND
9
AUX-LCH
10
DS3-L
11
DS1-L
12
DS2-L
13
EBIAS
14
DS2-R
15
DS1-R
16
DS3-R
26
OUT-FR
27
VCCVCC
VCC2
28
MUTE
29
SCL
30
SDA
31
GND
32
F2L
INPUT
SELECTOR
VOLUME1
/MUTE
VOLUME2
I2C
BUS
LOGIC
TREBLE
/BASS
/MIDDLE
SPECTRUM
ANALYZER
FADER
25
OUT-FL
24
OUT-RR
23
OUT-RL
FADER
FADER
22
SUBOUT-R
21
20
SUBOUT-L
19
ADJ
18
SAOUT
17
SADA
SACLK
FADER
FADER
LPF
EFFECT
INPUT
GAIN
FADER
IC802 BD9778HFP (MAIN Board (3/3))
1 2 3 4 5
CURRENT
LIMIT
PWM
COMPARATOR
ERROR
AMP
L:OFF
H:ON
VREF
VIN
TSD
OSC
VIN SW PB GND INV
6
RT
7
EN
VREF
SOFT
START
ON/OFF
LATCH
DRIVER
RESET