Main Board - Sony RHT-G2000 Service Manual

RHT-G2000
• IC Block Diagrams
– MAIN BOARD –
IC101-107 CXD9775M
DREG RTN 5
34
DVDD DREG
GND 1
PWM
PWM BP 2
RECEIVER
GND 3
DGND
RESET 4
DIGITAL
DREG
REGULATOR
GVDD 6 GVDD
M3 7
DREG 8 DREG
DGND 9
M1 10
PROTECTION
M2 11
LOGIC
DVDD 12
OT
SD 13
&
UVP
DGND 14
OTW 15
DVDD DREG
GND 16
PWM
PWM AP 17
RECEIVER
GND 18
DGND
GVDD
DREG OCH
GATE
DRIVE
TIMING
CONTROL
&
PROTECTION
GATE
DRIVE
OCL
OCL
GATE
DRIVE
TIMING
CONTROL
&
PROTECTION
GATE
DRIVE
DREG OCH
GVDD
36 GVDD B
35 GVDD B
34 GND
33 BST B
32 PVDD B
31 PVDD B
30 OUT B
29 OUT B
28 GND
27 GND
26 OUT A
25 OUT A
24 PVDD A
23 PVDD A
22 BST A
21 GND
20 GVDD A
19 GVDD A