Panasonic CQ-RX400U, Service Manual

Page: 10 / 37

10
5.2. Main-2/Display Block
7231-05-11 7231-02-11(2/3)
75
76
24
74
25
6
46
21
22
45
7
6
3
3
1
12
8
12
2 13 1
3
11 12
4 5 6
7 8 9 10
11
2
2
5
IC671
IC791
IC751
POWER SUPPLY
Q752
Q751
Q770
4
9
13
10
1
1
HUB L
L-CH
R-CH
DATA
REMO
SCLK
STRB
HCNT
EVENT
ACC
SYS ID1
SYS ID2
R-CH
CN671
INV
15V
LIMIT
BATT
BA
TT
SW5V
BATT
BATT
ACC
BATT
4
VDD5V2 VDD5V1
POW
SW
IC781 IC771
POW
SW
DSP3.3V
7
CD+B
POW
SW
10
AMP CNT
13
9
3
15
1
5 4
5V
REG
4
2 1
3
2
6
AUD9V TU+B
DELAY
START
CQ-RX400U MAIN(2/3)/DISPLAY
AUX L
D+
D–
2
7
8
9
6
5
12
13
11
10
2
15 15
3
2
1
17
18
20
17
18
20
7
8
9
6
5
12
13
11
10
MODE B
MODE A
RM DATA
EVENT
HUB CNT
CDC STB
CDC CLK
CDC REMO
CDC DATA
HUB TX
64 BEEP
HUB RX
HUB ACC
CNT
66
ACC
58
PWR CNT
COMP
VCC
ACC
MODE 1
ILM
11
98
AMP CNT
MODE 2
BATT
72
RESET
8
1 5
3
PANEL
71
LCD DI
49
LCD DO
50
LCD CLK
51
LCD CE
52
5
69
68
MODE A
REMO
MODE B
IC701
BATT
CHECK
VDD5V2
CN971 CN901
IC601(2/3)
SYSTEM CONTROL
61
64
63
62
1
D901
Q901
PWR
SW
5V
SOURCE
LED
DRIVE
IC902
IR
RECEIVE
SW901
Q902
R-CH
L-CH
D+
D–
VBUS
CN903
CN902
AUX
USB
USB
2
P2
47
ENBL
17
FLG
DI
DO
CL
CE
54 VDD
1
P1
50–53
45–48
39–42
3–36
LD901
KEY-IN
MATRIX
SEG
1–34
COM
1–4
KS
3–6
KI
2–5
IC901
LCD DRIVE
ILL10V
DSP
CD
BAT DET