Block Diagram And Schematic Diagram - Pioneer KEH-P7015 X1M/ES Service Manual

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KEH-P7015,P6015
QQ
3 7 63 1515 0

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM
A
A
TUNER AMP UNIT
FM/AM TUNER UNIT
AMANT
28
ATT
ANT
FMANT
1 27
2
7 WC
9
NC
CN402
11 DGND
17 NC
20
NC
24
FMLOCL
26 RFGND
23
B
TE
L 13942296513
C
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D
8
1
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2
FM/AM 1ST IF 10.7MHz
AMRF T51 Q51 CF51 CF52 CF53
ANT ADJ
IC1
MIXER, IF AMP, DET.
ATT
FMRF
CF202
X901
AM 2ND IF
IMG ADJ
10.25MHz
450kHz
VDD
RF ADJ
VCC
LOCH LOCL
22 10 19
25
Q410
LOCH
LOCL VCC
D
DECK UNIT
CN252
1
FWD
L-ch
36
5
REV 39
L-ch
4
CN254
M2
2
M
SUB
1
MOTOR
CN255
M1
M
MAIN
MOTOR
CN253
CN256
E
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2
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3
MPXREF 41kHz
AMDET
L ch
IC 2 FM MPX
6
R ch
5
COMP
21
LDET
18
NL2
IC 3
EEPROM
1
14 12 15 16 8 13 2 3
VDD
Q Q
3 6 7
CN251
Lch
3 3
6
37 EQ AMP
16 MS
5 5
IC251 f/R
17
6
6
HA12229F
20 MUTE
9 9
B.U
20
20
18 19
5
2
11
POS
13 13
MECHANISM
13 ES
15
15
DRIVER
14
SC2
16 16
IC351
15
1
SC1
17
PA2020A 17
16
CM
18 18
stby
17
19 19
8 7 10
LOAD
11
11
3 1 5 6
3 1 5 6
EGN1
REEL
SENSE
S1
S2
LOAD
MODE
REEL SENSE PCB
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y
3
2 9 9 4
8
4
Q710
B.U
Q711
CN701
IP-BUS DRIVER
5 1 TX
1 3 1 5 0 5 IC 710 8 2 9
8
6 2 RX
HA12187FP
5 BUS—
8
IPPW
1 BUS+
7 BUS+L
CN501
MS
DIRO
68 66
DIRO MSIN
MCMUTE
65
RIMUTE
B.U
61
POS
POS
NES 59
NES
SYSTEM
58
SC2
SC2
CONTROLLER
57
SC1
SC1
IC 601(2/2)
56
CM
PE5207A
CM
stby
55
stby
loadsw 69
loadsw
6
LCDPW
96
DPDT
95
KYDT
29
ROT0
25
ROT1
9
23
m
co
.
Q754
B.U
Q755
4
2 8
9 9
9 4 2 8 9 9
BZ610
ALARM
BUZZER
100
PEE
72
MUTE
Q3
37 mute
mute
16
X1
X610
X2
15
VCC
21
SYSPW SYSPW
4 77 20
CN750
Q751
B.U
ILB+
7
Q753
CSENS
4
EJECT
8
VDD
FILM+
B.U 5
S750
SW5V
10
Q750
Q752
FILM—
6
DPDT
11
KYDT
14
ROT1
12
ROT0
13
BL+B
2
4