Sony STR-DA2800ES - Troubleshooting Speaker and Device Connectivity; Speaker Output and Device Sound Issues

STR-DA2800ES
123
– D-VIDEO Board –
IC3002 PCA9517DGKR
1VCCA 8 VCCB
7SCLB
6SDAB
5EN
2SCLA
3SDAA
4GND
IC3201 TC74VHC157FT (EKJ)
SELECT
111
1A
2
3
4
5
6
7
INPUT
INPUT
OUTPUT
OUTPUT
1A
1B
1Y
2A
2B
2Y
1B
1Y
2A
2B
2Y
GND
8
VCC
STROBE
16
4A
15
14
13
1112
11
10
INPUT
INPUT
OUTPUT
OUTPUT
G
4B
4Y
3A
4A
4B
4Y
3A
3B
9
3B
3Y
3Y
S
IC3503, 3507, 3703, 3704 BD00IC0WEFJ-E2
578
2
1 3
VOUT
FB
GND
4
N.C.
VCC N.C.
6
N.C. EN
+
+
SOFT
START
OVER CURRENT
PROTECT
THERMAL
SHUTDOWN
IC3504, 3705 RP108J081D-FE
31
GND
2
VDD
CE
4
VOUT
5
VFB
VREF
CURRENT LIMIT
THERMAL
SHUTDOWN
REVERSE
DETECTOR