EN 96
HDRW720/0x, DVDR725H/0x
7.
Circuit Diagrams and PWB Layouts
Analog Board: Frontend Video (FV)
TUNER
AGC
AGC
VIF
VIF
AMPLIFIER
SIF
AMPLIFIER
AGC
INTERCARRIER
MODE SWITCH
SIF
QSS MIXER
INTERCARRIER MIXER
AM DEMODULATO R
FPLL
VCO
TWD
VIDEO DEMODULATO R
AND AMPLIFIER
FM-PLL DEMODULATO R
AFC
DETECTOR
VOLTAGE
REFERENCE
PLL
AGC
DET
IF AMP
MIX-OSC
PRE-FIL
TRACK
FILTER
GAIN
CTRL
PRE-AMP
TRACK
FILTER
RF
MT
OUT
MT
IN
RF
TDA9817
Bead
Bead
..V MEASURED IN RECORD MODE
4701
G3956M
I707 D7
I708 D7
I709 C8
0R
--
2,5V
I711 C9
I712 C9
1
3,3V
*
1
56p f
or ALEAD/A
V3
11
12
13
14
I706 E6
1
TDA9818
G3956M
AGC-ADJUST
L
0
15
1
2
3
4
L’
I715 G1
2,7V
I
3731
2V
1704 F14
SFS_TS
0
OSCILLOGRAMS
MULTISTD (/39)
270R
3,5V
3,1V
1704
0R
56p f
or ALEAD/A
V3
F710 D3
delete for MSTD
I702 B6
I703 B5
I704 C5
10
for MSTD only
40,4-ADJUST
2,7V
*
3,2V
2,8V
1705 C1
5
6
7
F
G
I713 B9
I
0005 A1
0803 A13
1701 C7
1702 E7
1703 D7
C
lo
w leaka
g
e
1703
--
AFC-ADJUST
K3953M
1
D/K
0
TDA9817
1
2
4
5
6
7
8
9
E
3,3V
0R
5,2V
*
1
delete f
or MSTD
3703 A3
1706 F14
2713 A3
2719 B5
8
9
10
H
12
13
14
15
A
B
2731 C9
270R
for P
AL-I only
--
*
3,2V
..
TPS 5,5 MHz
Pos.
--
D
E
F
3
H
I
A
B
C
D
3702 A2
0
1
SB1
1
2V
7710
0
0V
TPS 5,5 MHz
3704 F1
3705 C14
3710 A9
2720 B4
2721 B5
2722 B8
11
2724 B10
2725 D3
2727 C8
2728 C11
2729 C12
2730 C9
3730 D5
..V MEASURED IN PLAYBACK MODE
I751 D13
I754 D13
1706
5702 G1
PAL BG (/01)
2732 F1
2733 F1
2734 D4
G
2736 G2
2737 E15
2740 F8
2741 F4
2742 F8
3701 A7
3741 D14
330R
PAL I (/07)
PSS
I725 F13
I726 E10
I727 E8
I728 E9
I739 H6
7706 H6
7710 C8
0,7V
3711 A4
3714 B11
3715 B12
2723 B8
3717 E12
3720 B9
3724 B8
3725 B12
3726 C5
3728 D13
5701 G1
3,3V
I746 B9
I748 C9
I749 D12
for MSTD only
3V
--
I716 G1
I717 A9
I721 G9
5704 A2
5705 B4
5709 B11
3731 F13
3732 E15
3733 G4
2735 G1
3735 F14
3736 F15
3737 E6
3738 E6
3739 F10
3740 F9
7705 D6
0
TPS 6,0 MHz
5V
* VERSION TABLE
N750
3,3V
I729 F5
I730 F5
I731 H4
I732 B3
I733 F1
I734 G1
7711 F14
7712 H4
7713 D12
3742 F6
3716 B5
3744 G8
3745 H5
3746 H6
3758 G6
4700 E4
4701 G5
not used
9701 D4
F701 E2
F702 C11
F703 D7
F704 A4
F707 E3
F708 B11
F709 C6
I741 D4
I742 D5
I743 E7
B/G
1
4700
F713 H5
I701 C2
5710 B6
5711 C10
5713 D13
3734 F15
I744 E7
I745 A8
for MSTD only
0R
0,9V
0
5714 G14
6703 C5
6704 E5
6705 F5
7701 A10
7702 D15
7704 C6
*
I735 G1
I723 F15
I724 E14
7714 H6
7716 D14
7717 G7
3743 G8
I701
6703
BA591
F707
GND
1n
2734
9701
GND
GND
I702
4K7
3717
F704
F703
5704
I717
GND
3K3
3735
BA591
6704
2K7
3734
F713
3746
5K6
5SW
0803
BARCODE
I739
GND
6u8
5709
21
22
23
24
3
4
5
6
7
8
9
1
10
11
12
13
14
15
16
17
18
19
2
20
GND
TDA9817
7710
GND
4K7
3733
5SW
6K8
3738
1
2
3
4
5
GND
10K
3705
I744
OFWG3956M
1703
F701
PDTC124EU
7701
GND
3716
4K7
I706
OFWK3953M
1701
1
2
3
4
5
3715
10K
5701
GND
GND
2735
27p
5713
15u
BC857BW
7711
5SW
GND
GND
GND
I712
5SW
3730
4K7
2728
3704
220R
680R
3740
GND
10n
I733
3703
150K
GND
GND
I704
8K2
3725
I725
10u
2729
I735
GND
56K
3743
I707
F702
5SW
GND
I748
I716
GND
100K
3744
I730
7702
PDTC124EU
I742
GND
7716
BC857BW
4700
6u8
5705
27p
2736
3724
22K
8
2741
1n
GND
5711
7KLY
1
2
3
4
6
7
I734
1
2
3
15u
5714
GND
1706
TPS
2732
2u2
I732
100u
2720
33VSTBY
I746
GND
5702
3728
100R
7713
BC857BW
5SW
2737
47u
I751
GND
GND
5SW
5SW
2725
22p
3714
18K
5SW
330R
3720
GND
I743
I715
I727
5K6
3745
2724
100n
GND
I709
7704
PDTC124EU
0005
BRACKET
F710
4K7
3742
470R
5SW
3732
1K
7714
3702
5K6
3739
BC847BW
1n
2742
5SW
BC847BW
7717
3711
33K
I729
I726
3741
4K7
680R
3701
PDTC124EU
7706
1
2
3
4
6
7
8
GND
GND
7KMY
5710
5
I708
OFWK9656M
1702
3
GND
1
2
4
330R
3736
GND
3726
100R
GND
I731
PDTC124EU
7712
1704
TPSR
5MHZ5
G
2
I
1
O
3
F709
I749
F708
I721
I754
2733
100n
2721
120p
5K6
3710
GND
GND
BA591
6705
8p2
2731
GND
GND
I741
GND
2719
220p
10K
3758
270R
3731
GND
2722
2u2
5SW
I723
2723
7705
PDTC124EU
GND
470p
14
15
6
NC1
10
NC2
4
SCL
5
SD
A
7
VCC
2
VT
9
33V
8
ADC
1
AG
C
3
AS
11
IFOUT
12
13
UV1316-MK3
1705
3737
2K2
GND
220n
2730
4701
GND
I713
I703
2u2
2740
I745
GND
2713
22u
I711
GND
2727
100n
GND
GND
I728
I724
SFS_TS
SDASW
SCLSW
5SW
SB1
SB1
SIF1
SB1
AG
C
VFV
AFC
PSS
2.4V
0V
5.1V
4.1V
0.1V
3.1V
2.5V
5V
5V
5V
1.9V
1.9V
0.2V
1.9V
2.5V
3.5V
V F V I723
17015_001
190204
10us/Div
A: DC, 500mV/Div
Содержание DVDR725H
Страница 5: ...Technical Specifications and Connection Facilities EN 5 HDRW720 0x DVDR725H 0x 1 1 12 PCB Locations ...
Страница 148: ...EN 148 HDRW720 0x DVDR725H 0x 7 Circuit Diagrams and PWB Layouts ...
Страница 171: ...Circuit IC descriptions and list of abbreviations EN 171 HDRW720 0x DVDR725H 0x 9 Figure 9 11 ...
Страница 172: ...Circuit IC descriptions and list of abbreviations EN 172 HDRW720 0x DVDR725H 0x 9 Figure 9 12 ...
Страница 193: ...Circuit IC descriptions and list of abbreviations EN 193 HDRW720 0x DVDR725H 0x 9 ...
Страница 211: ...Revision List EN 211 HDRW720 0x DVDR725H 0x 11 11 Revision List 11 1 3122 785 14281 Aug 30th 2004 Added DVDR725H ...