Sony STR-DN1060 - IC Block Diagrams; IC1911 TPS54394 PWPR (DCDC Board); IC4020 TCA9517 DGKR (Front HDMI Board) (DN1060)

STR-DN860/DN1060
79
• IC Block Diagrams
IC1911 TPS54394 PWPR (DCDC BOARD)
IC4020 TCA9517DGKR (FRONT HDMI BOARD) (DN1060)
9
VREG5
10
VFB2
11
PG2
-16%
+16%
-32%
Control logic
UV1
VREG5
PGND1
SW1
ZC1
VIN1
OCP1
Ref_OCL
SW1
PGND1
PG
Comp
+
+
–
–
-16%
+16%
PG
Comp
+
+
–
–
+
–
+
–
+
–
-32%
UV2
+
–
EN
Logic
Protection
Logic
Fixed
SoftStart
EN Logic
CH1 Min-off timer
SS1
UV1
SS2
12
EN2
PGND
UV2
Ref1
Ref2
UVLO
TSD
CH2 Min-off timer
Ref1
SS1
+
+
–
Err
Comp
Ref 2
SS2
+
+
–
Err
Comp
1VIN1
2VBST1
3SW1
4PGND1
8GND
5EN1
6PG1
7VFB1
5VREG
REF
UVLO
Control logic
VREG5
PGND2
SW2
ZC2OCP2
Ref_OCL
SW2
PGND2
+
–
+
–
Xcon
13 PGND2
14 SW2
15 VBST2
16 VIN2
PGND
PGND
Xcon
PGND
V
CCA
1
GND
4
V
CCB
8
EN
5
V
CCB
Pullup
Resistor
SDAB
6
SCLB
7
SDAA
3
SCLA
2