Block Diagram And Schematic Diagram; Block Diagram - Pioneer KEX8547ZT-91/EW Service Manual

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3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

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3.1 BLOCK DIAGRAM

3 7 63 1515 0
A
A
MAIN UNIT
CN501
ANTENNA
1
MAIN
Q146
2
SUB
Q126
B
Q141
C
Q121
5
TE
L 13942296513
Q183
Q171
Q182
Q172
D
E
www
F
10
1
http://www.xiaoyu163.com
2
FM MAIN ANT/DIV
5 6
IC501
LA1061M
1
13
Q501
C
D
FM TUNER UNIT
1 SFMANT
FM SUB ANT/DIV
6
IC151
10 15 13 16 14
LA1061M
1 13
COMP+B
Q161
BU
AUD+B
C
DECK UNIT
CN252
1
FWD
LcH
4
REV
LcH
5
CN254
5
SUB 2
M
2
MOTOR
1
CN255
MAIN
M
MOTOR
x ao
y
. i
KEX-M8547ZT/EW
2
http://www.xiaoyu163.com
3
FM/AM TUNER UNIT
FM/AM 1ST IF 10.7MHz
AMRF T51 Q51 CF51 CF52 CF53
AMANT
ATT
28
ANT ADJ
MIXER, IF AMP, DET.
FMANT
27 ATT
RFGND
26
FMRF
AM 2ND IF
IMG ADJ
RF ADJ
FMLOC
LOCL
24
25
Q502
16 3
IC561
Q181 HA12181FP
2 FM COMP
1
SCMP 7 IC562
7
5
NJM2068MD
9 6
Q Q
3 6 7
CN251
+B
4
TAPE EQUALIZER
16
37
IC251 6
39
3
HA12216F
TAPE-L
28 12 11
MTL
NR
VR302
BU
VREF
Q271
20
MTL
17
MECHANISM DRIVER
IC351
PA2020B
1 7
CN253
1 4 6
1
4 6
CN256
MODE
LOAD
70µs
SENSE
SWITCH SWITCH
u163
D
SENSOR UNIT
3
4
2 9 9 4
8
MPXREF 41kHz
AMDET
IC 2 FM MPX
IC1
CF202
IC 3
X901
EEPROM
450kHz
10.25MHz
17 9 22 10 19 14 12 15 16 8 13 2 3
AUD+B
SW5V
Q561
AM PNS
9
C
A
Q565
B
COMP+B
Q566
1 3 1 5 0 5 8 2 9
CN353
4 AUD+B
CSL
3
20 BU
RESET
2
IC602
VDD
S-80835CNNB-B8U
MS,DIR,PLAY,MTL,NR,CSLOAD,POS,ES,SC2,SC1,CM,STBY
m
co
B
.
KEYBOARD UNIT
4
2 8
9 9
L ch FML
6
Q401
COMP
21
LDET
18
D
4 1
AUD+B
51 47 31 32 53 33 5
19
39
SCPON
9 4 2 8 9 9
40
SSD
92
SSL
37
spck
38
SCE
36
SPDI
35
SPDO
1 12
reset
13
(1
KEY MATRIX
ILLUMINATION
C