Sony HBD-E780W Service Manual page 68

HBD-E780W/E980W/E985W
IC308 TPS54225PWPR
TSD
VO 1
UVLO
REFERENCE
PWM
+
+
VFB 2
VREG5 3
SS 4
SOFTSTART
GND 5
PG 6
EN
EN 7
LOGIC
IC309 MM1855AHBE
8 7 6 5
BIAS
DRIVER
CURRENT
LIMITTER
1 2
IC705, 5908 TK11150CSCL-G
IC5905 TK11190CSCL-G
5
OVER HEAT &
OVER CURRENT
PROTECTION
CONTROL
–
CIRCUIT
+
BANDGAP
REFERENCE
1 2
64
PROTECTION
LOGIC
VREG5
UNDERVOLTAGE
LOCKOUT
REFERENCE
THERMAL
SHUTDOWN
3 4
4
3
CONTROL
XCON
ROGIC
OCP
+
IC601, 603, 5705, 6205 BD00GC0WEFJ-SE2
8 7 6
OCP
TSD
1 2
IC1003 BH76071FJ-E2
CLAMP
6.75MHz
CVBS_IN 1 LOW-PASS
FILTER
VREF 2 REFERENCE
13.5MHz
LOW-PASS
CLAMP
FILTER
PY_IN 3
30MHz
LOW-PASS
FILTER
13.5MHz
LOW-PASS
BIAS
FILTER
PB_IN 4
30MHz
LOW-PASS
FILTER
13.5MHz
LOW-PASS
BIAS
FILTER
PR_IN 5
30MHz
LOW-PASS
FILTER
MUTE1 6
MUTE2 7
14 VCC
13 VIN
12 VBST
11 SW2
10 SW1
9 PGND2
8 PGND1
5
SOFT
3 4
6dB 75
SD
6dB 75
HD
SD
6dB 75
HD
SD
6dB 75
HD
14 CVBS_OUT
13 VCC
12 PY_OUT
11 GND
10 PB_OUT
9 PR_OUT
8 LPF_SEL