Sony SS-CPX1 Service Manual page 44

HCD-CPX1
IC618 NJM2870F18 (TE2)
5
THERMAL
PROTECTION
BANDGAP
REFERENCE
1 2
42
IC650, 680 CXD9750L
VBBA 1
4
VBOOTA
2
VDRVA 3
VDDA
4
GNDA
5
INA
6
ENA
7
DIAGA 8
3
OUTA
9
SA
10
VBBB
11
VBOOTB 12
VDRVB
13
VDDB 14
GNDB 15
INB 16
ENB
17
DIAGB 18
OUTB
19
SB
20
VBBA
VDRVA
LOCK–OUT
CROSS OVER
DELAY
LOW SIDE HIGH SIDE
LEVEL SHIFT LEVEL SHIFT
PRE PRE
DRIVER DRIVER
VBBA
VBBB
VDRVB
LOCK–OUT
CROSS OVER
DELAY
LOW SIDE HIGH SIDE
LEVEL SHIFT LEVEL SHIFT
PRE PRE
DRIVER DRIVER
VBBB
UNDER
THERMAL
VOLTAGE
SHUT DOWN
PROTECTOR
CIRCUIT
FILTER
VBBA
VDRVA
UNDER
THERMAL
VOLTAGE
SHUT DOWN
PROTECTOR
CIRCUIT
FILTER
VBBB
VDRVB