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5-2. SCHEMATIC DIAGRAM – DIGITAL Board (1/5) – • See page 38 for Waveforms. • See page 38 for IC Block Diagrams.<br />
AM<br />
FM<br />
75Ω<br />
COAXIAL<br />
*FM/AM TUNER UNIT<br />
*SUPPLIED AS<br />
THE ASSEMBLED<br />
BLOCK<br />
DIGITAL<br />
STEREO<br />
TUNED<br />
MUTING<br />
R CH<br />
GND<br />
L CH<br />
FM DET OUT<br />
VDD 12V<br />
VDD 3.3V<br />
FMIF OUT<br />
GND<br />
DO<br />
CLOCK<br />
DATA<br />
CE<br />
(Page 23)<br />
(<strong>DB870</strong>)<br />
DVD/LD<br />
OPTICAL<br />
IN<br />
TV/SAT<br />
OPTICAL<br />
IN<br />
MD/TAPE<br />
OPTICAL<br />
MD/DAT<br />
OPTICAL<br />
DVD/LD<br />
IN<br />
IN<br />
IN<br />
(<strong>DB1070</strong>)<br />
(<strong>DB870</strong>)<br />
MD/TAPE<br />
OPTICAL<br />
OUT<br />
MD/DAT<br />
OPTICAL<br />
OUT<br />
(<strong>DB1070</strong>)<br />
COAXIAL<br />
J1401<br />
1P<br />
(CHASSIS)<br />
CN1105<br />
15P<br />
CN1104<br />
* (US,CND)<br />
MBUS_OUT<br />
MBUS_TV<br />
MBUS_DVD<br />
MBUS_V1<br />
SIRCS<br />
+5V(B_UP)<br />
OSD_DATA<br />
OSD_CS<br />
OSD_CLK<br />
V-SYNC<br />
P/N<br />
GND_A1<br />
CTRL A1<br />
V_SW1<br />
V_SW2<br />
V SW3<br />
V SW4<br />
-5V<br />
+5V<br />
GND<br />
GND<br />
IC1401<br />
TORX179<br />
R1809 10k<br />
DIGITAL<br />
OPTICAL RECEIVER<br />
DIGITAL<br />
OPTICAL RECEIVER<br />
IC1402<br />
TORX178<br />
DIGITAL<br />
OPTICAL RECEIVER<br />
IC1403<br />
TORX178<br />
IC1404<br />
TOTX178A<br />
C1401<br />
0.01<br />
DIGITAL<br />
OPTICAL<br />
TRANSCEIVER<br />
P1<br />
P2<br />
<strong>DB870</strong>:CND<br />
/<strong>DB1070</strong><br />
B1<br />
B2<br />
B3<br />
C1306 C1307<br />
0.1 0.1<br />
C1308 R1303<br />
R1304<br />
39k<br />
0.1 39k<br />
* CN1104<br />
21P (US,CND)<br />
15P (<strong>DB1070</strong>:AEP,UK,E,CH)<br />
11P (<strong>DB870</strong>:AEP,UK)<br />
A1<br />
A2<br />
A3<br />
A4<br />
A5<br />
A6<br />
A7<br />
A8<br />
A9<br />
A10<br />
A11<br />
A12<br />
A13<br />
A14<br />
A15<br />
A16<br />
R1406<br />
100<br />
R1407<br />
100<br />
R1408<br />
100<br />
R1402<br />
100<br />
R1401<br />
75<br />
C1402<br />
0.1<br />
C1403<br />
0.1<br />
C1404<br />
0.1<br />
IC1801<br />
7805<br />
O I<br />
G<br />
C1801<br />
100<br />
16V<br />
C1405<br />
0.1<br />
B4<br />
B5<br />
B6<br />
B7<br />
B8<br />
+5V REGULATOR<br />
C1427<br />
0.1<br />
C1406<br />
22 50V<br />
Q1801<br />
2SB733<br />
B+ SWITCH<br />
R1801 R1802<br />
680 10k<br />
Q1802<br />
RT1N141C<br />
V POWER<br />
ON/OFF<br />
C1309<br />
100<br />
16V<br />
C1310<br />
100<br />
16V<br />
FB1401<br />
21A<br />
+12V REGULATOR<br />
R1403<br />
1k<br />
INVERTER<br />
O I<br />
G<br />
G<br />
O I<br />
IC1405<br />
TC7WU04F<br />
C1411<br />
10<br />
50V<br />
IC1301<br />
7812<br />
+3.3V REGULATOR<br />
IC1406<br />
TC74HC153<br />
R1404<br />
560k<br />
IC1302<br />
2933<br />
C1802<br />
470<br />
16V<br />
FB1402<br />
21A<br />
DIGITAL SELECT<br />
VCC<br />
C1408<br />
1p<br />
R1405<br />
100<br />
1A<br />
C1315<br />
0.1<br />
IC1802<br />
7805<br />
C1413<br />
0.1<br />
R1409<br />
22k<br />
R1429<br />
0<br />
C1313 47p<br />
C1314<br />
X1301 R1307<br />
82p<br />
4.332MHz 2.2k<br />
+5V REGULATOR<br />
O I<br />
G<br />
GND<br />
R1415<br />
10k<br />
Q1401<br />
2SC2712<br />
INVERTER<br />
FB1403<br />
21A<br />
C1409<br />
0.1<br />
470 16V<br />
C1410<br />
Q1803<br />
2SB733<br />
B+ SWITCH<br />
R1803<br />
680<br />
Q1804<br />
RT1N141C<br />
D POWER<br />
ON/OFF<br />
2C<br />
3C<br />
4C<br />
FB1404<br />
21A<br />
R1308 100<br />
R1414<br />
10k<br />
Q1402<br />
2SC2712<br />
INVERTER<br />
C1415<br />
0.01<br />
R1410 R1413<br />
33k 4.7k<br />
C1412 R1411<br />
0.1 100<br />
C1416<br />
0.22<br />
C1414<br />
0.1<br />
R1804<br />
10k<br />
IC1303 BU1924F<br />
R1417 10k<br />
R1416<br />
10k<br />
R1412<br />
5.6k<br />
C1419<br />
0.1<br />
CLOCK<br />
SELECT<br />
IC1407<br />
TC7WH157FU<br />
RDS DECODER<br />
T2 CMP<br />
T1 VSS3<br />
VSS2 VSS1<br />
VDD2 VDD1<br />
XI MUX<br />
XO VREF<br />
NC RDAT<br />
RCLK QUAL<br />
FB1405<br />
471<br />
D1801<br />
1SR154<br />
C1420<br />
1000p<br />
C1417<br />
0.1<br />
C1418<br />
47<br />
16V<br />
L1201<br />
0<br />
C1320<br />
0.1<br />
15<br />
C1317<br />
10<br />
50V<br />
C1318<br />
10<br />
50V<br />
IC1803<br />
IC1804<br />
2905<br />
2933<br />
I O I O<br />
G<br />
G<br />
R1419<br />
10k<br />
R1435<br />
100<br />
R1436<br />
100<br />
R1418 100<br />
C1319<br />
1000p<br />
+5V REGULATOR<br />
H7<br />
FB1406<br />
21B<br />
C1316<br />
330p<br />
H6<br />
5C<br />
6C<br />
7C<br />
C1807<br />
220<br />
16V<br />
100<br />
R1421<br />
R1420 C1421<br />
10k 0.1<br />
H1<br />
DIGITAL AUDIO<br />
INTERFACE RECEIVER<br />
100<br />
R1423<br />
(AEP,UK)<br />
IC1408<br />
LC89056W-E<br />
C1422 0.1<br />
R1424<br />
100<br />
R1422<br />
100<br />
8C<br />
R1437<br />
220<br />
FB1407<br />
21B<br />
15<br />
H5<br />
+3.3V REGULATOR<br />
R1425<br />
100<br />
R1428<br />
4.7k<br />
C1423 C1431<br />
0.1 220<br />
16V<br />
R1426<br />
100<br />
OSC<br />
C1425<br />
100p<br />
C1808<br />
470<br />
16V<br />
H4<br />
R1434<br />
100<br />
R1430<br />
100<br />
R1427<br />
1k<br />
C1428<br />
0.1<br />
C1426<br />
47 C1424<br />
16V 0.1<br />
COUNTER<br />
IC1409<br />
TC7WH74FU<br />
VCC<br />
GND<br />
IC1410<br />
TC7WU04F<br />
R1432<br />
100<br />
R1433 150<br />
C1429<br />
15p<br />
R1431 X1401<br />
1M 24.576MHz<br />
H3<br />
H2<br />
15p<br />
C1430<br />
9C<br />
10C<br />
11C<br />
1B<br />
2B<br />
3B<br />
4B<br />
5B<br />
6B<br />
7B<br />
8B<br />
9B<br />
10B<br />
11B<br />
12B<br />
13B<br />
14B<br />
15B<br />
16B<br />
<strong>STR</strong>-<strong>DB870</strong>/<strong>DB1070</strong><br />
(Page 16) (Page 18) (Page 17) (Page 19)<br />
L1<br />
L2<br />
L3<br />
L4<br />
L5<br />
L6<br />
L7<br />
L8<br />
D1802<br />
1SS352<br />
17B<br />
18B<br />
19B<br />
1D<br />
2D<br />
CN1106<br />
9P<br />
SUB T<br />
V.POWER<br />
PW_RY<br />
+8V<br />
GND<br />
STOP<br />
+32V<br />
FL2<br />
FL1<br />
MD2<br />
MD0<br />
RESET<br />
GND<br />
VDD<br />
SIN1<br />
SOT1<br />
CN1107<br />
7P<br />
(Page 37)
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