Schematic Diagram − Digital Board (4/4) - Sony STR-DB798 Service Manual

6-12. SCHEMATIC DIAGRAM – DIGITAL BOARD (4/4) –
(4/4)
CNP352
11P
PS SAVE R1025 100 PS
SW1 R1026 100 SW1
SW2 R1020 100 SW2
PNR R1019 100 PNR
RESET R1018 100 RESET
SDA
SCL
V-POWER V-POWER
+8V
(Page 33)
GND
-8V
V1
R1631
10k
C1675
0.1
(Page 23)
V2
C1676
0.1
V3
U1
U2
(Page 24)
STR-DB798
• See page 52 for Waveforms. • See page 61 for IC Pin Function Description.
D1907 1SR154-400 TE-25
VOUT2 VIN
+2.6V/+3.3V
REGULATOR
IC1901
SI-3004KWF
C1906 470 16V
D1905 1SR154-400 TE-25
C1908 470 16V
D1906 1SR154-400 TE-25
XMODE R1643 1k
CKSEL1 R1694 1k
CLK R1644 1k
CE R1645 100
COM_DATA R1662 1k
DI R1646 1k
DO R1647 1k
COM_CLK R1663 1k
S R1630 1k
SDCLK R1632 100
DSP R1603 1k
XRST R1606 1k
PM1 R1607 1k
HCS R1604 100
HACN R1605 100
RSTB R1620 100 R1719 10k
RST R1608 1k R1718 10k
ML R1611 1k
MC R1609 1k
MDI R1612 100 R1659 10k
R1660 10k
R1661 10k
R1724 0
R1722 0
HDOUT R1617 100
HDIN R1618 100
HCLK R1619 100
R1670 100
R1671 100
MDO R1610 1k
R1684
3.3k
C1627
C1312 C1672 C1671
10
0.1 0.1 0.1
50V
EEPROM
IC1604
BR24C16F-E2
(Page 22)
C1905
0.1
R1304
RESET SIGNAL
47k
GENERATOR
IC1602
S-80929CNMC-
G8ZT2G
X1601 R1305
16.5MHz 47k
C1605 R1636
0.1 10k
R1642 10k
R1657
10k
C1612 0.1
C1634
0.1
18
DAB-PWR5
R1027 100
DAB-PWR
R1028 100
RESET
PNR
SW2
C1659
0.01
SYSTEM CONTROLLER
IC1703
MB91154PFV-G-125E1
C1613
0.022
(TW)
C1614 C1631 R1634
0.022 0.1 47k
C1635 R1697 C1673 C1674 C1602
0.1 ∗ 0.1 0.1 0.1
R1666 R1627 ∗ R1697
10k 10k
0 (AEP,UK)
10k (TW)
R1628
10k
C1632 0.1
C1619 R1691
0.1 10k
R1624
10k
R1720 D1601 R1625 Q1602
10k ISS352 10k 2SC2712-YG
R1655
10k
25 25
C1617
0.01
CD NC
+3.3V REGULATOR
C1959
IC1903
0.1
BA33BC0T
O I
G
C1910
C1909
220
0.1
10V
STOP
C1603 JR1688
0.1 0
C1606
47
L1901 25V
0
+3.3V REGULATOR
IC1904
BA33BC0T
FB1601
I O
G
C1912
C1911 C1618
470
0.1 0.1
16V
R1021 100 XRST
R1022 100 XCS
R1023 100 SO
C1658 C1615
0.01 100p
R1615 1k FUNC
R1614 1k CLK
R1613 1k STDI
R1683 1k
R1696 1k SPSW
R1695 10k
R1693 10k +
R1675 10k
R1692 10k -
R1702 10k
C1609 0.01 R1651 10k MENU+
R1701 10k
C1608 0.01 R1650 10k MENU-
R1640 100 FLDATA
R1641 100 FLCLK
R1704 10k
R1653 10k VOL+
R1703 10k
R1652 10k VOL-
R1712 10k
R1714 10k FUNC+
R1713 10k
R1715 10k FUNC-
SUBT
R1698 2.2k SBRY
R1638 2.2k SWRY
R1629 2.2k SURRY
R1699 2.2k SPBRY
R1602 2.2k FRRY
R1622 2.2k HPRY
R1600 2.2k PWRY
R1024
100
D1604
ISS352
C1626 C1670 C1601 R1716
0.1 0.1 0.1 10k
C1640
220p
Q1603
2SC2712-YG
MUTING
SWITCH
Q1601 D1602
RT1N141C-T ISS352
R1717
Q1601,1602 10k
MUTING
SWITCH
STR-DB798
+8V (DAB)
Q1957
2SB733
GND (D)
DAB-PWR5
(NC)
DAB-PWR
Q1957,1958
+5V REGULATOR
B+ SWITCH
CN1106
IC1953
R1957
BA50BC0T 4P
680
O I
G
R1958
10k
C1957
4700
16V
C1958
Q1958
0.22 CN1110
RT1N141C-T
7P
+8V STBY
(Page 49
-28V(FL)
-8V(V)
+8V(V)
GND(D)
D1908 +8V(D)
1SR154-400TE-25
+8V(DAB)
(Page 38
CN1107
2P
C1100
0.22
CN1112
3P
AC 6V
GND
AC 6V
CN1105 (Page 39
31P
AC 6V
GND
GND
AC 6V
POWER POWER
SIRCS SIRCS
FB1603 +3.3V
SPSW SP SW
+ -/+ +
- -/+ -
MENU+ MENU +
MENU- MENU -
V3 OPT
OPT GND
OPT GND
FB1604 +3.3V
HP SW HP SW
-28V
(Page 47
DISP GND
DISP GND
DISP GND
FB1605 +5V
FLDATA FL DATA
FLCLK FL CLK
FLCS FL CS
VOL+ VOL+
VOL- VOL-
FUNC+ FUNC+
FUNC- FUNC-(STBY)
AD2 AD2
AD1 AD1
CN1104
7P
MD2 MD2
MD0 MD0
RESET RESET
GND
VDD (FOR CHECK)
FLASH2 FLASH2
FLASH1 FLASH1
CN1102
20P
+5V(D)
GND
STDI DATA
CLK CLK
FUNC FUNC-LAT
FUN FUN LAT SW
SMUTE S-MUTE
SW4 V-SW4
SW3 V-SW3
SW2 V-SW2
SW1 V-SW1
LIMT LIMITER
PRO PROTECTOR
(Page 37
SBRY SB-RY
SWRY SW-RY
SURRY SUR-RY
SPBRY SP-B-RY
FRRY FR-RY
HPRY HP-RY
DET DETECT