Sony HCD-CBX3 - Main Board

47
HCD-BX5BT/CBX1/CBX3
– BT Board –
IC903 XC6213B332MR
VIN
1
CE
3
VSS
2
NC4
VOUT5
+
–
ON/OFF
CONTROL
CURRENT
LIMIT
VOLTAGE
REFERENCE
– USB Board –
IC915 R5523N001B-TR-F
1EN
2GND
3FLG
4IN
5 OUT
GATE
CONTROL
UVLO
THERMAL
SHUTDOWN
CURRENT
LIMIT
FLAG
DELAY
– MAIN Board –
IC304 R2S15904SP
24 23 22
MCU
I/F
TONE CONTROL
L-CH BASS/TREBLE
SURROUND
21 2025262728
INR4 LOUT ROUT
AGND
VCC
REFIN
DATA CLK DGND TRER TREL NC BASSL2 NC
INR3
INPUT
SELECTOR
INPUT
SELECTOR
INPUT GAIN
CONTROL
INPUT GAIN
CONTROL
MUTE
MUTE
REF
MODE
SELECTOR
VOLUME
VOLUME
INR2 INR1
INL1 INL2 INL3 INL4
IGOUTL
VOLINL
IGOUTR
VOLINR
BASSR1
BASSL1
BASSR2
19 18 17 16 15
1 2 3 5 6 7 8 94 10 11 12 13 14
TONE CONTROL
R-CH BASS/TREBLE
IC308 MM1615ANLE
2
5
VIN
4
VOUT
GND
1
CONT
3
NOISE
DRIVER
THERMAL
SHUTDOWN
BIAS
REFERENCE
+
–
CURRENT
LIMITTER
IC309 MC14052BDTR2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
2Y0
1Y2
VCC
1Y1
1-COM
1Y0
1Y3
A
B
GND
GND
INH
2Y1
2Y3
2-COM
2Y2