Schematic Diagram - Audio Board (4/6) - Sony STR-ZA1000ES Service Manual

6-16. SCHEMATIC DIAGRAM - AUDIO Board (4/6) -

1 2 3
AUDIO BOARD (4/6)
A
B
C
D
E
F
BIAMPSEL
G
R2238 R2237
100 100
H
DAC_ZERO_DATA
DAC_IIC_SCL
DAC_IIC_SDA
I
SBL/SBR_OUT
R2147
100
L/R_OUT
(Page 57)
BCLK_OUT
>116S
LRCLK_OUT
8
AUDIO +3.3V
BOARD
FB2108 R2148
(6/6) 330
C/SW1_OUT
SL/SR_OUT
J
R2150
100
(Page 53)
>110S
6
AUDIO
BOARD
(2/6)
K
(Page 52)
1
>106S
2
AUDIO 3
BOARD
4
(1/6)
5
L
STR-ZA1000ES/ZA2000ES/ZA3000ES
• See page 82 for IC Block Diagrams.
4 5 6
IC2106
AUDIO SIGNAL SELECTOR FB2109
IC2106
TC7WH157FK
R2159 C2133
1.5 1 8 3.3
100 0.1
A VCC
1.5 2 7
B ST
3 6 0.5
Y SELECT
4 5 1.5
GND Y
R2153 C2134
0 1000p
100V
R2151 R2160
10k 220
IC2107
D/A CONVERTER
IC2107
PCM1681GPWPR
JC2144
0
0 1 28
ZR1/ZR1/FMT0 ZR2
2 27 2.3
MS/ADR/FMT1 VOUT1
3.6 3 26 2.3
MC/SCL/DEMP VOUT2
3.6 4 25 2.4
MD/SDA/MUTE VCOM
24
1.7 5
SCK AGND2
1.5 6 23 4.9
DATA1 VCC2
R2248 0 1.6 7 22 2.3
BCK VOUT3
R2249 100
1.6 8 21 2.3
LRCK VOUT4
3.3 9 20 2.3
VDD VOUT5
10 19 2.3
DGND VOUT6
1.6 11 18
DATA2 AGND1
R2149 100
1.6 12 17 4.9
DATA3 VCC1
1.6 13 16 2.3
DATA4 VOUT7
14 15 2.3
MSEL VOUT8
C2135 C2136 C2137
470 1000p 0.01 C2141
470p
10V
IC2116
+5V REGULATOR
IC2116
MM1839A50NRE
4.9
VOUT
4
GND
6.7
VIN CONT
5
C2234
1
D2114
DA2J10100L
7 8 9 10
R2161
C2167 C2177
7.5k
10 0.0027
1/2W
50V
C2178
0.0027
R2163
C2168
7.5k
10
1/2W
50V
R2166
C2169 C2179
7.5k
10 0.0027
50V
C2180
0.0027
R2167
C2170
7.5k
10
1/2W
50V
R2170
C2171
C2181
7.5k
10
0.0027
50V
C2184
0.0027
R2172
C2172
7.5k
10
50V
C2155 C2161
0.1 470
10V
R2174
C2173 C2182
7.5k
10 0.0027
50V
C2183
0.0027
R2176
C2174
7.5k
10
50V
C2156 C2158 C2160 C2162 C2157
0.1 0.01 1000p 470 0.01
100V 10V
C2232 C2159
1 0.1
FB2111
NC
R2189 R2190 R2191 R2193
3
22 22 22 22
2 6.7
1
55 55
STR-ZA1000ES/ZA2000ES/ZA3000ES
11 12 13
R2206 R2205
820 15k
MULTI_FR
C2205
C2187
270p
1000p
100V
4 3 2 1
IC2110
LOW-PASS FILTER
IC2110
NJM4565M(TE2)
5 6 7 8
C2188
1000p
100V
C2200
270p
R2196
820
R2200
15k
MULTI_FL
R2208 R2211
820 15k
MULTI_SW
C2206
C2189
270p
1000p
100V
4 3 2 1
IC2111
LOW-PASS FILTER
IC2111
NJM4565M(TE2)
5 6 7 8
C2190
1000p
100V
C2201
270p
R2197
820
R2203
15k
MULTI_C
R2209 R2213
820 15k
MULTI_SR
C2207
C2191
270p
1000p
100V
4 3 2 1
IC2112
LOW-PASS FILTER
IC2112
NJM4565M(TE2)
5 6 7 8
C2192
1000p
100V
C2202
270p
R2198
820
R2204
15k
MULTI_SL
R2202 R2214
820 15k
MULTI_SBR
C2193
C2208
1000p
270p
100V
4 3 2 1
C2186 IC2113
470
10V
LOW-PASS FILTER
IC2113
C2185
NJM4565M(TE2)
470
10V
5 6 7 8
C2194
1000p
100V
C2203
270p
R2199
820
R2210
15k
MULTI_SBL
A+7V
A-7V
A7V_CT_GND
14
(Page 56)
>117S
AUDIO
BOARD
(5/6)
(Page 56)
>118S
Note: IC2107 on the AUDIO board cannot replace
AUDIO
BOARD
with single. When this part is damaged, replace
(5/6)
the complete mounted board.