Pioneer DEH-34 Servicehandleiding - Pagina 2
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DEH-340,3400,34
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
A
TUNER AMP UNIT
A
FM/AM TUNER UNIT
ANTENNA
CN402
AMANT
28
FMANT
27
RFGND
26
B
PICKUP UNIT
(SERVICE)(P9)
LASER
DIODE
LD-
MD
HOLOGRAM
UNIT
FO+
FOCUS ACT.
TO+
TRACKING ACT.
MONITOR
DIODE
LD+
SPINDLE
M
MOTOR
C
LOAD/
CARRIAGE
M
MOTOR
D
12
1
2
FM/AM 1ST IF 10.7MHz
AMRF
T51 Q51 CF51 CF52 CF53
ATT
ANT ADJ
IC1
MIXER, IF AMP, DET.
ATT
FMRF
CF202
X901
AM 2ND IF
IMG ADJ
10.25MHz
450kHz
VDD
VCC
RF ADJ
LOCH
LOCL
23
25
7
17
20
22
Q410
LOCL
VCC
D
CONTROL UNIT
CN101
Q101
9
24
LDO
15
RFRPIN
8
16
5
MDI
FEO
14
AC,BD
TEO
RF-AMP
F,E
FOP
4
TOP
1
IC 101
TA2153FN
14
VDD
12
FOP
14
TOP
CD
DRIVER
16
SOP
15
SOM
17
LCOP
18
22
LCOM
LOEJ
9
MUTE
IC 401
BA5996FM
S901
HOME
12EJ
DISC
SENSE 8EJ
SENSE
CLAMP
SENSE
SENSE
2
3
MPXREF 41kHz
AMDET
L ch
IC 2 FM MPX
R ch
COMP
LDET
IC 3
EEPROM
10
19
14
24
9
11
12 15 16
8
13
2
3
4
1
VDD
CN701
L-OUT
38
85
RFI
L_OUT
43
78
FEI
46
TEI
79
SERVO
CONTROL,
DSP,
LPF, DAC
TD/FD
IC 201
SD/MD
TC9495F2
LOEJ
CONT
DSCSNS
HOME
VD
VD
+5V REGULATOR
IC 701
4
2
VDD
BA05SFP
1
CD5VON
3
4
6
5
21
18
CN501
CDL
14
14
LOEJ
10
10
CONT
11
11
17
17
16
16
Q510
VD
2
2
B.U
Q511
CD5VON
1
1
VDCONT
4
6
S
76
S
14
T
PCE1
13
T
PCK
48
T
PCE2
12
T
PDIO
11
T
57
L
2
I
3
I
34
LOEJ
23
CONT
79
DSCSNS
32
HOME
SYSTEM
CONTROLL
IC 610(2/
PE5262B
21
VDCONT
35
CD5VON