KEH-P7020R
A
B
C
D
5
6
7
8
5
6
7
8
17
12
1
BSENS
ASENS
VDD
BU
74
73
SD
SL
TUNPCE
TUNPCK
TUNPCE2
TUNPDO
ASENBO
10
FL
11
RL
87
MUTE
XOUT
XIN
ILB
SWVDD
OELB
ILB
SWDVDD
OELB
23
21
3
5
FL-
FL+
RL-
RL+
ACC
50
97
IN3-L
42
IN4+L
43
IN4-L
44
IN2-L
41
72
2
71
1
82
30 29 81
FLIN
14
RLIN
12
22
4
RESET
POWER AMP
IC 601(1/2)
PD5698B
LLER
IC 203
PML009A
IC 961
S-80735ANDZI
IC 301
PAL007A
RESET
VDD
Q911
Q931
SYSPW
BU
TX
RX
TX
RX
IPPW
ELECTRONIC VOLUME/
SOURCE SELECTOR
BU
BU
STBY
MUTE
IC 1901
PD5706A
OEL CONTROLLER/
KEY CONTROLLER
KEY MATRIX
9
11
8
KEY DATA
OEL DATA
VDD
14
CN801
CN1901
Q803
Q804
Q802
KEYBOARD UNIT
13
X601
15
2
ACC
VST,VCK,VDT
TUN L
BUS+L
BUS-L
TAPE L
DPDT
3
5
DPDT
KYDT
SYS+B
BU
Q921
Q922
23
SYSPW
BU
Q301
MUTE
RL
Q351
PL
1
Q352
FL
5
Q353
FL
R L
12
PL
Q801
IC 851
NJM2360M
6
1
EJTIN
44
7
2
10
11
14
8
7
2
10
11
14
8
CN1850
CN1851
S1850
KYDT
4
2
5
10
8
IC 1902
PD8088A
FONT ROM
IC 1903
TSOP1840SB3V
REMOTE CONTROL SENSOR
OPT IN
3
1
5
GREEN
REM
27
28
DPDT
KTDT
EJECT
OEL UNIT
Q1941
4,16
2,8
3
ILMPW
MUTE
PL
FL
RL
S801
DSENS
SYSTEM CONTROLLER
Q932
Q951
VDD
ISENS
83
TELIN
10
25
B.REMOTE
FL-
FL+
RL-
RL+
MIC751
13
MIC_IN
IC 1904
S-818A33AUC-BGN
3.3V REGULATOR
1
5
VDD REGULATOR
ILL SENSE
BACKUP SENSE
ACC SENSE
TELEPHONE MUTE
SYS+B REGULATOR
3
9
11
12
10
2
5
8
6
3
9
11
12
10
2
5
8
6
1
1
C
PANEL UNIT
B
TC7SET08FU
IC 801
2
4
NJM4558MD
IC 132
5
7
94
LVLINL
1
SEL_OUT_L
LEVEL INDICATOR
CN901
Q982
B.U
CN351
CN352-1
CN352-2
BACK UP
GND
FUSE
10A
ACC
ILL
TELMUTE
B.REM