Sony XAV-AX150 Service Manual page 49

XAV-AX150
IC1706 MP1488DJ-LF-Z
PWM
SW 1 COMPARATOR
CONTROL +
LOGIC
CURRENT
SENSE
AMPLIFIER
+
+
GND 2
1.3MHz
AMPLIFIER OSC
FB 3
+
104mV
IC1709 TPS2543RTER
16 15
CURRENT
SENSE
IN 1 CS
CURRENT LIMIT CURRENT
SELECT LIMIT
UVLO
DM_OUT 2
DP_OUT 3
CDP
DETECTION
LOGIC
CONTROL
ILIM_SEL 4
5 6 7 8
IC1710 NJM2816GM1-51A (TE2)
REVERSE
CURRENT
PROTECTION
VOUT 1
FEED BACK
OVER CURRENT
VOADJ 2
PROTECTION
SHORT CIRCUIT
PROTECTION
VOLTAGE
LOAD_ADJ 3
CORRECTION
GND 4
49
6 IN
5 OV
4 EN
DISABLE + UVLO + DISCHARGE
OTSD
THERMAL
SENSE
CHARGE 8-MS DEGLITCH
PUMP (FALLING EDGE)
8-MS
DEGLITCH
DRIVER
DCP DIVIDER
DETECTION MODE
AUTO-
DETECTION
CONT
MAIN
REFERENCE
AMPLIFIER
+
VOLTAGE
+
+
UVLO
+
+
AMPLIFIER FOR
OUTPUT SINK
OUTPUT
CLAMP
THERMAL
SHUTDOWN
IC1707 BU15TD3WG-TR
VIN 1
VOLTAGE
REFERENCE
OVER CURRENT
PROTECTION
GND 2
THERMAL
SHUTDOWN
STBY 3 STANDBY
14 13
12 OUT
11 DM_IN
10 DP_IN
9 STATUS
8 VIN
ON/OFF
7 CONT
CONTROL
ERROR
6 FAULT
FLAG
+
5 GND
Sony CONFIDENTIAL
For Authorized Servicer
–
+
5 VOUT
4 NC
SYS SET