24
24
CDX-MP70
4-4. BLOCK DIAGRAM — BUS CONTROL, POWER SECTION —
35
16
95
84
81
83
30
57
37
65
82
49
52
85
86
61
62
101
51
60
58
59
17
19
14
77
86
90
85
6
18
47
24
63
81
6
34
101
97
98
38
50
10
13
11
9
8
12
3
2
7
9
3
13
11
17
4
6
5
6
4
2
3
1
7
8
1
17
9
3
4
X701
18.432MHz
IR
RECEIVE
IC902
RESET
IC502
RESET
BATT
CHECK
BUFF
IC701
BUS
ON
LED
DRIVE
Q410
CURRENT
CHECK
IC651(
2
/2)
B+
(DD+5V)
X910
4MHz
3
4
9
7
6
TEL MUTE
DETECT
Q406
BATT
CHECK
Q603
BUS
CONTROL
Q602
ILLUMI
DETECT
Q407
ACC
DETECT
Q405
2
14
10
3
7
9
FREQ
SHIFT
Q105
ON/OFF
DRIVE
Q106
5V REG
Q160
3.3V REG
IC402
5V REG
Q150
B+(BU+5V)
(TUX201,IC501,601)
B+(SERVO+3.3V)
(IC1,2,6,8,9)
B+(MOTOR+9V)
(IC653,654)
B+(REF+5V)
(IC2,3,5)
B+(BU+3.3V)
(IC4,5,11,13,14,411)
B+(AUD+3V)
(IC1)
B+(TU+8.5V)
(TU201,IC201)
B+(AUD+8.5V)
(IC301,302,310)
B+(LED+B)
(IC901-903)
9V REG
IC652
REG
IC401
REG
Q113,116
POWER
SWITCH
Q401,402
LEVEL
DETECT
IC102
POWER
SWITCH
Q101,102
POWER
SWITCH
Q107,108
POWER
SWITCH
Q109,112
POWER
SWITCH
Q110,111
3V REG
Q117-119
POWER
SWITCH
Q408,409
ON/OFF
DRIVE
Q103
OUT1
INA1
RT
INA2
OUT2
PWM CONTROL
IC101
CD ON IN
T-CLOSE
T-OPEN
MOTOR
TR-DET
LED ON
UNISI
UNICLK
BUSON
BUIN
HSTX
RSTX
UNISO
RAM BU
SYS RST
TEMP
SIRCS
L-RESET
SYS RES
UNICKI
BU IN
UNISI
BUSON
LINKOFF
UNISO
OPEN SENS
CLOSE SENS
TEL ATT
ILL IN
TEST IN
ACC IN
PON
TUNER ON
DDC ON
FSW SHT
TH501
FSW IN
SPE
ILL ON
XTAL
EXTAL
FLS PWON
Q411
MOTOR
DRIVE
IC654
CN401 (2/2)
19
CD ON
MOTOR+
MOTOR-
LED ON
26
27
30
OPEN SENS
10
LOA SENS
11
UNISI
16
UNI CLK
18
BUS ON
14
BU IN
13
SYS RESET
UNISO
15
17
5
15
LEVEL SHIFT
IC411
SIRCS
I/F
IC903
SYSTEM CONTROL
IC501 (2/2)
DISPLAY CONTROL
IC702 (2/2)
Q601
Q604
BUS I/F
IC601
BCLK
B DATA
BUS ON
B+ (BATT)
CN601
(BUS CONTROL IN)
CNP781 (2/2)
TEL MUTE
ILL
TEST
+B
AMP R
ANT R
13
14
15
7
19
5
6
POWER
SWITCH
Q401,404
B+ (BATT)
(IC309)
B+ (DD+5V)
(IC701,702)
(RESET)
VCC
T0
SERVO
BOARD
A
S1
(Page 22)
