Sony HCD-C770 Service Manual page 81

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3 7 63 1515 0
IC814 TC7WH157FK (TE85R)
EN G
A 1 A Y
B 2 B Y
3
Y
GND 4
TE
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8 VCC
11 7 ST
11 6
SELECT
5 Y
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2 9
8
– AMP Board –
IC301, 304, 306, 307, 309, 311 CXD9702L
VBBA 1 VBBA
VBOOTA
2
VDRVA VDRVA
3
VDDA 4
GNDA
5
INA 6
ENA
7
DIAGA 8
CROSS OVER
DELAY
LOW SIDE
LEVEL SHIFT
PRE
DRIVER
OUTA 9
SA
10
Q Q
VBBB 11 VBBB
3 6 7 1 3 1 5
VBOOTB 12
VDRVB VDRVB
13
VDDB
14
GNDB 15
INB 16
ENB
17
DIAGB 18
CROSS OVER
DELAY
LOW SIDE
LEVEL SHIFT
PRE
DRIVER
OUTB 19
SB
20
co
.
HCD-C770/C990
9 4 2 8
UNDER
THERMAL
VOLTAGE
SHUT DOWN
LOCK–OUT
PROTECTOR
CIRCUIT
FILTER
HIGH SIDE
LEVEL SHIFT
PRE
DRIVER
VBBA
VDRVA
VBBA
0 5 8 2 9 9 4 2 8
UNDER
THERMAL
VOLTAGE
SHUT DOWN
LOCK–OUT
PROTECTOR
CIRCUIT
FILTER
HIGH SIDE
LEVEL SHIFT
PRE
DRIVER
VBBB
VDRVB
VBBB
m
9 9
9 9
81