25
CDX-HR70MS/HR70MW/HS70MS/HS70MW
• IC BLOCK DIAGRAMS
IC300 TDA8588AJ/N2/R1 (MAIN Board (1/3))
MUTE
MUTE
ENABLE
LOGIC
STANDBY/
MUTE
BATTERY
DETECTION
CHIP DETECT/
DIAGNOSTIC
PROTECTION/
DIAGNOSTIC
SWITCH
REGULATOR
SWITCH
REFERENCE
VOLTAGE
LOADDUMP
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
LF–
LF+
LR–
LR+
IN_RL
SGND
IN_LF
RR+
RR–
RF+
RF–
DIAG
SW2
SW1
REG3
REG4
VP
REG2
SDA
SCL
VP2
PGND3
SVR
IN_RR
IN_LR
ACGND
PGND2
VP1
STB
PGND1
RST
CRES
REG1
GND
REG5
CBU
FL
RL
RR
VP
FR
I
2
C BUS
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
RST
IN BUS.
CLK-IN
B/U-C
IN DATA
OUT DATA
I/O DATA