Block Diagram And Schematic Diagram - Pioneer KEH-P6020RB Service Manual

1
KEH-P6020RB,P6020R

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM
A
TUNER AMP UNIT
FM/AM TUNER UNIT
A
AMRF
AMANT
28
ATT
ANT ADJ
ANT
FMANT
ATT
27
7 WC
9 NC
11 DGND
CN402
17 NC
20
NC
24
FMLOCL
26 RFGND
LOCH
23
LOCH
B
C
D
10
1
2
FM/AM 1ST IF 10.7MHz
MPXREF 41kHz
T51 Q51 CF51 CF52 CF53
AMDET
IC1
MIXER, IF AMP, DET.
FMRF
CF202
IC 3
X901
AM 2ND IF
IMG ADJ
EEPROM
10.25MHz
450kHz
VDD
RF ADJ
VCC
LOCL
22 10 19 14
25
Q410
LOCL VCC
VDD
D
DECK UNIT
CN252
1
FWD
L-ch
39
32
5
REV 33
L-ch
4
CN254
M2
2
M 5
SUB
2
1
MOTOR
MECHANISM
CN255
1
M1
M
MAIN
MOTOR
8
CN253
CN256
EGN1
REEL
SENSE
E
REEL SENSE PCB
2
3
L ch
IC 2 FM MPX
6
R ch
5
COMP
21
LDET
18
NL2
4
12 15 16 8 13 2 3 1
CN701
CN251
CN551
Lch
3 3
6
EQ AMP
MS
16 MS
5 5
IC251 DIRO
17 f/R
6 6
HA12229F
20 MUTE MCMUTE
9 9
B.U
20
20
18 19
11
POS POS
13 13
13 ES NES
15
15
DRIVER
14
SC2 SC2
16
16
IC351
15
SC1
SC1
17
17
PA2020A
16 CM CM
18
18
stby
stby
17
19 19
7 10
LOAD loadsw
11
11
3 1 5 6
3 1 5 6
S1
S2
LOAD
MODE
3
4
Q415
Q420 Q413
RDS
DECODER
20
IC 481
8
PM4009A
11 12
X481
Q416
Q710
B.U
Q711
IP-BUS DRIVER
TX
5 1
IC 710
8
6 2 RX
HA12187FP
5 BUS–
8
IPPW
1 BUS+
7 BUS+L
68 66
DIRO MSIN
65
RIMUTE
B.U
61
POS
59
NES
SYSTEM
58
SC2
CONTROLLER
57
SC1
IC 601(2/2)
56
PE5206A
CM
55
stby
69
loadsw
6
LCDPW
96
DPDT
95
KYDT
29
ROT0
25
ROT1
9 4
23
Q754
B.U
Q755
4
Q411
VDD
Q481
VDD
BZ610
ALARM
BUZZER
100
PEE
72
MUTE
Q
37 mute
mute
16
X1
X610
X2
15
VCC
21
SYSPW
SYSPW
77 20
CN750
Q751
B.U
ILB+
7
Q753
CSENS
4
EJECT
8
VDD
FILM+
B.U 5
S750
DETACH
SENSE SW SW5V
10
Q750
9
Q752
FILM–
6
DPDT
11
KYDT
14
ROT1
12
ROT0
13
BL+B
2