KEX-M8547ZT/EW
10
1
2
3
4
1
2
3
4
C
D
F
A
B
E
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
CN501
ANTENNA
IC561
HA12181FP
16
3
9
S-80835CNNB-B8U
IC602
2
1
RESET
VDD
FML
13
12
reset
XOUT
A
MAIN UNIT
FM/AM TUNER UNIT
KEYBOARD UNIT
B
51
LOCL
53
PCE2
33
pck
5
31
PDO
IC 3
EEPROM
28
27
FM/AM 1ST IF 10.7MHz
T51 Q51 CF51 CF52 CF53
IC1
MIXER, IF AMP, DET.
6
21
COMP
22
25
10
14
12 15 16
8
13
2
4
CF202
VDD
VCC
DI/DO
CE2
CK
CE1
SDBW
SL
FMSD
NL2
IC 2 FM MPX
AMANT
FMANT
ATT
ATT
AMRF
FMRF
IMG ADJ
RF ADJ
X901
10.25MHz
ANT ADJ
LOCL
AMDET
MPXREF 41kHz
AM 2ND IF
450kHz
1
STIND
L ch
9
AMDET
17
AMPNS
26
RFGND
C
KEY MATRIX
ILLUMINATION
Q502
AUD+B
SW5V
AM PNS
Q561
Q183
FM COMP
IC562
NJM2068MD
1
7
2
5
16
13
15
14
6
9
SBSD
SBSL
SBCK
SBDI
SBDO
SBCE
Q172
Q565
BU
AUD+B
Q171
Q182
Q141
Q181
24
FMLOC
Q146
FM TUNER UNIT
1
7
SFMANT
SCMP
32
PDI
A
B
(1
AUD+B
COMP+B
Q566
10
STUNB
COMP+B
SSL
SSD
SSL
spck
SCE
SDA
T
A
ST
creq
MSD
PCE1
PCE2
PDIO
pck
Q121
FM SUB ANT/DIV
IC151
LA1061M
Q161
6
5
13
1
Q126
FM MAIN ANT/DIV
IC501
LA1061M
Q501
6
5
13
1
MAIN
SUB
1
2
D
C
C
D
NL2I
NL1
SDBW
MSL
CN251
CN252
CN253
CN255
CN256
CN254
IC251
HA12216F
TAPE EQUALIZER
MECHANISM DRIVER
IC351
PA2020B
Q271
BU
M
SUB
MOTOR
M
MAIN
MOTOR
7
+B
TAPE-L
MTL
MTL
VR302
VREF
6
16
11
12
28
37
39
17
5
2
NR
1
STBY
LOAD
LOAD
SWITCH
MODE
SENSE
1
4
5
2
1
4
3
20
6
4
1
6
4
1
C
DECK UNIT
D
SENSOR UNIT
SWITCH
70µs
19
CREQ
47
currq
BU
CN353
4
3
20
AUD+B
CSL
MS,DIR,PLAY,MTL,NR,CSLOAD,POS,ES,SC2,SC1,CM,STBY
3
NL1
18
LDET
Q401
19
FWD
LcH
REV
LcH
ldet
39
SCPON
40
92
37
38
36
35
spck
SPDI
SPDO
SSD
SCE