Sony DAV-DZ20 (serv.man2) Service Manual ▷ View online
45
45
HCD-DZ20
HCD-DZ20
6-21. DIAGRAMA ESQUEMATICO - PLACA KEY, FL, PLACA P-SW –
IC B/D
D
MAIN
BOARD
(3/8)
CN509
(Pag 35)
3.4
3.4
- 2 5 . 4
- 2 5 . 4
- 2 5 . 4
- 2 5 . 4
- 2 5 . 4
- 2 5 . 4
1.8
0.2
3.0
2.8
0
0
- 2 1 . 0
- 2 3 . 0
- 2 1 . 0
- 1 4 . 7
- 2 7 . 2
- 2 5 . 2
- 2 5 . 2
- 1 6 . 8
- 2 3 . 1
3 . 3
-14.7
- 2 5 . 5
- 2 5 . 6
- 2 5 . 4
3 . 3
3 . 3
-18.9
-27.3
-27.3
-27.3
-18.9
-23.1
-27.9
-25.4
-25.4
-25.4
- 2 5 .4
- 2 5 .5
0
4.7
4.7
0
Sem indicação : DVD STOP
VCC
OUT
GND
1
2
3
9
8
7
6
5
4
3
2
1
10 11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
35
33
34
35
36
37
38
39
40
41
42
43
44
TP807
TP808
TP811
TP812
TP814
TP815
TP816
TP817
TP818
TP819
TP820
TP821
TP822
TP823
2
3
5
6
8
7
1
4
9
1
2
3
4
5
D-GND
5V
KEY0
KEY1
KEY2
FL_DATA
FL_CS
FL_CLK
D-GND
SIRCS
D-GND
E3.3V
3.3V
ENB
ENA
2
7
9
8
10 11 12
5
6
14
17
13
16
15
23 24
27 28
26
25
50
31
33
35
30
32
36
34
29
42
44
43
40
37
39
38
41
46
53
48
47
45
18
49
1
2
3
4
5
6
ENA
ENB
D-GND
KEY0
KEY1
KEY2
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
G12
G11
G10
G9
G8
G7
G6
G5
S10
S12
S31
S11
S14
S15
S16
S9
S8
S7
S6
S5
S4
S3
S2
SA
G2
G3
G4
G5
G6
G7
G8
G9
G10
G11
G12
G1
G2
G3
G4
G1
IC801
REMOTE
CONTROL
RECEIVER
IC802
FL DRIVER
6
5
4
3
2
1
12
11
10
9
8
7
15
14
13
GND
P-SW
2
1
PLACA P-SW
1
2
3
4
5
ENA
ENB
D-GND
KEY0
KEY1
KEY2
1
2
GND
KEY0
6
5
4
3
2
1
(CHASSIS)
PLACA FL
PLACA KEY
S800
VOLUME
S806
16V
C809
16V
0
C814
35V
4.7
C829
47
R819
100
R814
100
R815
100
R816
0
R800
1k
R817
82k
R811
100k
R820
NJL23H400A
IC801
PT6315
IC80 2
2SC3052EF-T1-LEF
FL DRIVER
Q802
TP862
TP863
TP861
TP857
TP859
TP853
TP852
TP851
100k
R813
100k
R812
0.0047
C800
0
R805
0.022
C801
100
R802
0.1
C805
47uH
L802
1SS355WTE-17
D801
47uH
L801
1SS355WTE-17
D805
1SS355WTE-17
D804
3.9K
R804
T801
DC-DC CONVERTER
CPH5504-TL-E
OSC
Q801
33k
R801
1SS355WTE-17
D802
UDZW-TE17-6.2B
D803
35V
C802
16V
100
C803
0.01
C811
15P
CN801
ND001
(FLUORESCENT INDICATOR TUBE)
6P
CN805
100p
C851
CN804
S801
2P
TP874
TP875
TP879
TP881
3.3k
R853
S803
2.2k
R854
S802
3.3k
R852
S808
S807
0
R851
2.2K
R857
S804
S805
2.2k
R856
1k
R855
TP841
TP842
0.01
C850
0.01
C849
C854
100p
C853
100p
C852
100p
CN806
6P
CN809
2P
CNP807
47
0.01
C804
10
46
46
HCD-DZ20
HCD-DZ20
•
IC Diagrama em Blocos
– Placa MAIN –
39
HPOUTR2
41
HPOUTR1
43
43
HPOUTL2
45
HPOUTL1
44
HPVSSL
40
HPVSSR
46
HPVDDL
42
HPVDDR
47
XVDD
4
OUTR2-
5
VDDR
7
VSSR
8
VSSL
1
XVSS
2
XSUBC
3
VSSR
6
OUTR1+
9
10
OUTL2-
VDDL
12
VSSL
11
OUTL1+
48
14
XFSOOUT
XFSOIN
37
FSOCKO
38
FSOI
28
MCKSEL
26
SFLAG
36
XFSIIN
35
DVDD
24
25
31
OVF FLAG L
DATA
30
BCK
29
LRCK
34
TEST
33
BFVSS
32
BFVDD
27
INIT
18
NSPMUTE
17
DXSS
16
DVDD
15
XDVDD
19
SOFTMUTE
20
PGMUTE
21
SCDT
22
SCSHIFT
23
SSCLA
TCH
OVF FLAG R
S
P
DF1
DF2
Simpling Rate
Converter
Filter1
&
LOW
CUT
Filter
Gain
Control
Liner
Interpolator
PWM
Clock
Generator
Clock
Generator
(Tow dementional System)
(Primary System)
INT/MUTE
Serial
Control
IC3010, IC3020, IC3030 CXD9843AR
IC3003 TC7WH157FK
IC2200 PCM1808PWR
Reference
DeltaúSigma
Modulator
× 1/64
Decimation
Filter
with
HighúPass Filter
Power
Supply
Supply
Clock
and
and
Control
Timing
Antialias
LPF
DeltaúSigma
Modulator
Serial
Interface
Mode/
Format
Control
Antialias
LPF
BCK
VINL
VREF
VINR
AGND
VCC
1
VDD
DGND
LRCK
DOUT
SCKI
FMT
MD1
MD0
2
3
4
5
6
7
8
9
10
13
14
11
12
SELECT
11
6
ST
11
7
A
1
2
3
A
B
Y
5
Y
B
GND 4
VCC
8
Y
EN G
Y
47
HCD-DZ20
IC901 STR-F6138-LF1352
OCP/INH
1
S/GND
2
Drain
3
Vcc
4
FB/OLP
5
+
–
–
+
–
–
+
–
+
–
+
–
–
Delay
OVP
TSD
Delay
Reg2
Reg1
Reg3
Current mirror
POWER
MOS FET
MOS FET
Latch
OSC
Boottom Skip
Logic
OCP2
Logic
Logic
Internal
Bias
OCP1
Vocp
Rg3
Rg2
Rg1
OCP2
+
–
UVL0
ON=16V
OFF=10.5V
INH1
INH2
FB
Vth1
+
–
–
IOLP
Volp
Vth2
Vocp(BSIN,OUT)
– Placa MAIN –
– Placa IO –
IC602 MC14052BDR2
48
HCD-DZ20
1
2
3
4
5
4-bit latch
24-bit output latch
12-bit shift register
Data selector
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
Serial
interface
OSC
Timing generator
key scan
Display memory
24 bits x 12 words
Key data memory
(2 x 16 bits)
Command decoder
segment driver
Grid driver
Multiplexed driver
39
40
41
42
43
44
LED1
LED2
LED3
LED4
OSC
DOUT
DIN
CLK
STB
KEY1
KEY2
VSS
VDD
SEG1/KS1
SEG2/KS2
SEG3/KS3
SEG4/KS4
SEG5/KS5
SEG6/KS6
SEG7/KS7
SEG8/KS8
SEG9/KS9
SEG10/KS10
SEG20/GRID9
SEG21/GRID8
SEG22/GRID7
SEG23/GRID6
SEG24/GRID5
GRID4
GRID3
GRID2
GRID1
VDD
VSS
SEG11/KS11
SEG12/KS12
SEG13/KS13
SEG14/KS14
SEG15/KS15
SEG16/KS16
VEE
SEG17/GRID12
SEG18/GRID11
SEG19/GRID10
IC802 uPD16315GB-3BS
– Placa FL –
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