Schematic Diagram - Main Section (1/5) - Sony CX-LDB30 Service Manual

7-9. SCHEMATIC DIAGRAM — MAIN SECTION (1/5) —
CD-ON
O-POWER
V-STBY
I-PROTECT
O-STK-POWER
PB2
O-BIAS
MAIN BOARD
PLL-CLK
3
(5/5)
DO
(Page 37)
I-PULDAT/I-STE
CE
TUNED
STEREO
TU-MUTE
RDS-DATA
RDS-CLK
FUNC-CLK
MAIN BOARD
4 VM
(5/5)
FR-VDD(3.3V)
(Page 37)
CX-LDB30/LDB50
• See page 44 for IC Block Diagram.
MAIN BOARD (1/5)
EP601
TERMINAL,EARTH
C626
0.01 25V
CLP602
PIN,LEAD
38MM
CLP601
PIN,LEAD
38MM
C625
100p
R607 22k R611 220 0.01 25V
R605 C609
R643 100k
R668 100k 1k 0.022 25V
R673 470k
C605 R609 R601
100 16V 47 10
C611 470p 50V
R603 2.2M
C627
R608 22k R612 220 0.01 25V
R606 C610
R669 100k
1k 0.022 25V C606 100 16V
R604 2.2M R602
47
CD-ON
C612 470p 50V
R674 470k R644 100k R610
O-POWER
V-STBY
I-PRO
O-STK-PO
PB2
R639 R641
C613 4.7 50V
2.2k 10k
O-BIAS
CL1
C614 4.7 50V
DO
R640 R642 C619 C620
2.2k 10k 10K 10K
DI
C621
CE
R665 R645 0.001 25V
1k 4.7k
TUNED
C623
0.001 25V
STEREO
C622
TU-MUTE
R667 R646 0.001 25V
1k 4.7k
RDS-DATA
C624
0.001 25V
RDS-CLK
R655 R653
470 4.7k
CL2
C671 0.047 16V
C675 0.01 25V
C673 0.047 16V
D601
C677 0.01 25V UDZSTE-174.7B
C603 0.1 16V
C601 220 16V
C628 100 16V
DO
VM CL2
1 2 3 4 5
C637 C650
0.0047 0.0047
50V 50V
C649 C638
0.022 0.022
R659 47k R664 47k
25V 25V
R629 22k R630 22k
C635 C634
0 0
C636 C652
50V 100p 50V
IC601
IC601 BD3882FV
FUNCTION
0 0
PBN-L RECOUT-L
IC B/D
0 0
PBP-L RECIN-L
0 0
RECIN-R
PBP-R
0
0
RECOUT-R
PBN-R
10
0
F-GND TUNER-R
0 0
R616
TUNER-L
PBO-R
R658
0 0
PBO-L AU-R
R615
0 0
VOLIN-L AU-L
R657
0
0
CD-R
VOLIN-R
C643
0
M-GND CD-L
R621
C640 47 25V
0 0
RVFIL-R
TRE1-L
C639 47 25V
0 0 R622
TRE2-L RVFIL-L
0 0
TRE1-R OUT-L
0 0
TRE2-R OUT-R
C656
0 0 0.01 25V
BAS1-L I-BAS2-L
C616 0.1 16V
C618 0.22 16V
0 0
R650 4.7k
BAS2-L I-BAS1-L
C655
4.6 0.01 25V
0
VDD
I-BAS2-R
C615 0.1 16V
0 C617 0.22 16V
0.1
R649 4.7k
SI
I-BAS1-R
C670
0 0.047 16V
0.1
SC
BAS2-R
C674 0.01 25V
-4.6 0
R654 R656
VEE
BAS1-R
4.7k 470
C672 0.047 16V
C676 0.01 25V
FR-VDD
6 7 8
2
MAIN BOARD
(3/5)
(Page 35)
33 33
C882
R884
0.22 16V AEP
2.2k
TU-R C867
0.01
25V
R885 C868
2.2k 0.1
TU-L 16V
C883
0.22 16V
FR-VDD
R623
4.7k
R401
10k
F-OUT-L
R624
4.7k
47k
AU-IN R
100k
47k
AU-IN L
100k
220p 50V
R679 1k
10k
C644 220p 50V
10k
R680 1k
R402
10k
F-OUT-R
C421
0.01 25V
FUNC-GND
E
EP401
TERMINAL,EARTH
9 10 1112 13 14 1516
CX-LDB30/LDB50
CN602
11P: RU, E51
15P: AEP
RDS-DATA
15 RDS DATA
RDS-CLK
RDS INT
14
13 NO USE
+3V(RDS)
12
TU-MUTE
11 TU-MUTE
10 TUNER-R
9 GND
TUNER
8 TUNER-L
R897 100k
STEREO
7 STEREO
R898 100k
TUNED
6 TUNED
+9V
5
CE
4 CE
DO
DI
3
DI
2 DO
CL1
CL
1
30
29
28
27
26
25
24
C407
4.7 50V
MAIN BOARD
1
(2/5)
(Page 34)
23
22
C408
4.7 50V
C411
4.7 50V
21
C412
4.7 50V
20
DC-DET
19
O-STK-PO
18
NO MARK: FM
17