Sony HCD-GPX5G Service Manual page 51

• IC Block Diagrams
IC1405 NJM2903V (TE2) (4CH DAMP BOARD (2/3))
IC1410, IC1411 BA4580RF-E2 (4CH DAMP BOARD (2/3))
IC702 NJM2903V (TE2) (MAIN BOARD (4/4))
8
1
IC1406, IC1407, IC1408, IC1409 IRS2092STRPBF (4CH DAMP BOARD)
1
VAA
2
GND
IN- 3
COMP 4
5
CSD
6
VSS
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7 6 5
–
+
2 3 4
CLICK NOISE
ELLIMINATION
VAA+VSS
+
+
2
COMP
OTA
-
-
PWM MODULATOR
UV
DETECT
CHARGE/
DISCHARGE
HV
LEVEL
SHIFT
PROTECTION
HV
CONTROL
LEVEL
SHIFT
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FLOATING INPUT
HIGH
SIDE
CS
HV
LEVEL
HV
SHIFT
FLOATING HIGH SIDE
LEVEL
SHIFT
5V REG
DETECT
DEAD TIME
SD DT
HCD-GPX5G/GPX7G/GPX8G
16 CSH
UV
DETECT
VB
15
UV
Q
14 HO
13 VS
HV
LEVEL
SHIFT
12
VCC
UV
LO
11
10 COM
DT
9
8 OCSET
LOW SIDE CS
VREF
7
51