Schematic Diagram - Digital Board (4/4) - Sony STR-DH800 Service Manual

Q Q
3 7 6 3 1 5 1 5 0

5-11. SCHEMATIC DIAGRAM - DIGITAL Board (4/4) -

1 2
DIGITAL BOARD
A
AGND
C03
C04
C05
B
A35
C06
C07
C
IC2022
EEPROM
IC2022
BR24S64F-WE2
5
DIGITAL
BOARD
(3/4)
D
(Page 22)
A41
T E
L 1 3 9 4 2 2 9 6 5 1 3
C09
E
F
BUS6
BUS5
POWER_SW_DET
G
H
w w w
I
STR-DH800
• See page 42 for IC Block Diagrams.
3 4 5
(4/4)
IC B/D
5
IC2020
R2154 R2153
10k 3.3k
RESET SIGNAL
GENERATOR
IC2020
S-80929CNMC-G8ZT2G
1 2
R2149
100
R2006
470
5
IC2019
RESET SWITCH
IC2019
TC7S08FU(TE85R)
1
R2152
100k
C2131 C2128
1 100p
50V
IC B/D
4 3 2 1
IC2021
RESET SIGNAL
BUFFER
IC2021
TC7W14FU(TE12R)
5 6 7 8
R2151 C2132
10k 47
25V
VOL_2
VOL_1
FUNC_2
FUNC_1
TUNE+/-2
TUNE+/-1
AD1
AD2
AD3
FL_BK
x a o
y
. i
SIRC
MIC_MUTE
http://www.xiaoyu163.com
6 7
C2129
0.1
4
VMUTE
COMPONENT_SW2
COMPONENT_SW1
COMPOSITE_SW1
3
COMPOSITE_SW2
COMPOSITE_SW3
COMPOSITE_SW4
4
MAIN_LIMITER
EVOL_CLK
2 3
EVOL_DATA
Q Q
3 7 6
PROTECT
FB2017
R2147
10k
R2307 0
FB2001
u 1 6 3
.
23 23
2 4
8 9 9
8 9 10
D04
D05
4
D06
D07
DIGITAL
D08
BOARD
(2/4)
AGND
(Page 21)
D10
D11
CN2011
20P
JL2168
1 PS (V-Mute)
JL2169
2 Component_SW2
JL2170
3 Component_SW1
JL2171
4 Composite_SW1
JL2172
5 Composite_SW2
JL2173
6 Composite_SW3
JL2174
7 Composite_SW4
JL2176
8 DMPORT_VGND
JL2175
H
9 DMPORT_VIDEO
JL2164
10 VACS/R3 coil
JL2161
CONNECTION
11 R2 Gnd (Rly)
BOARD
JL2162
CN801
12 R2 +15V
JL2349
(Page 37)
13 -7V
JL2159
14 +7V
JL2163
15 LIMITER
JL2165
16 EVol Clock
JL2166
3 1 5 1 17 EVol Data 5 0 8 9 2
JL2167
18 Protect
JL2158
19 S-Air R
JL2157
20 S-Air L
CN2012
25P
JL2130
1 STBY +3.3V
JL2131
2 STBY_GND
JL2132
3 FL_GND
JL2133
4 GND(+17V)
JL2134
5 R3 supply
JL2135
6 GND(+17V)
JL2136
7 +12V_GND
JL2137
8 AD_GND
JL2138
9 VOL_2
JL2139
10 VOL_1
JL2140
J
11 FUNC_2
JL2141
12
FUNC_1
JL2142
DISPLAY
13 TUNE+/-2
JL2143 BOARD
14 TUNE+/-1 CNS103
JL2146
(Page 39)
15 AD1
JL2147
16 AD2
JL2148
17 AD3
JL2149
m
18 POWER_SW_DETECT
JL2150
19 NC
JL2151
c o
20 FL_BK
JL2152
21 FL_LATCH
JL2153
22 FL_CLK
JL2154
23 FL_DATA
JL2155
24 SIRC
JL2156
Note: When IC2022 cannot exchange with single. When this
25 MIC_MUTE
STR-DH800
2
8 9 9
4 9 8 2 9 9
part is damaged, exchange the entire mounted board.