Sony STR-DA2800ES - Troubleshooting BRAVIA Sync and Remote Control; BRAVIA Sync and Control for HDMI Issues

STR-DA2800ES
128
IC307, 308 TPS54325PWPR
VO 1
VCC14
VFB 2
VREG5 3
SS 4
GND 5
PG 6
EN 7
PGND18
PGND29
SW110
SW211
VBST12
VIN13
VREG5
OCP
UV
OV
PWM
VREG5
-30%
+20%
XCON
CONTROL
LOGIC
EN
LOGIC
REF
REF
-10%
+

+
+

SOFT START
TSD
PROTECTION
LOGIC
UVLO
REF
REF
VREG5
VREG5
IC601 BD00GC0WEFJ-SE2
IC602 BD00GA5WEFJ-E2
578
2
1 3
VOUT
FB
GND
4
N.C.
VCC N.C.
6
N.C. EN
+
SOFT
TSD
OCP
IC605 TPS54425PWPR
VIN214
VIN1
13
PGND1
8
SW1
10
PGND2
9
VBST
12
SW2
11
VFB 2
VO
1
EN
7
PG
6
GND
5
SS
4
VREG5
3
EN
LOGIC
1 SHOT
–35%
+20%
REF
SS
SS
VREG5
VCC
VREG5
XCON
CONTROL
LOGIC
SOFT
START
PROTECTION
LOGIC
VREG5
+
+
–
PWM
+
–
+
–
UVLO
REF
ZC
SW
PGND
SW
PGND
+
–
+
–
OCP
REF
–10%
+
–
OCP
REF
OV
UV
UV
OV
UVLO
TSD