Sony HCD-DH50R Service Manual page 51

IC707, 708 CXD9774M
DVDD DREG
GND 1
PWM
PWM BP 2
RECEIVER
GND 3
DGND
RESET 4
DREG RTN 5
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
– PANEL Board –
IC621 PT6302LQ-010
48
VSS 49
OSCI 50
OSCILLATOR
OSCO 51
TIMING
RSTB 52
GENERATOR 1
CSB 53
8 BIT
CLKB 54
SHIFT
REGISTER
DIN 55
COMMAND
VDD 56
DECODER
CONTROL
P1 57 CIRCUIT
PORT
DRIVER
P2 58
AD2 59
AD
DRIVER
AD1 60
SG1 61
AD-RAM
SG2 62
SG3 63
SG4 64
1
GVDD
DREG OCH
GATE
DRIVE
TIMING
CONTROL
&
PROTECTION
GATE
DRIVE
OCL
OCL
GATE
DRIVE
TIMING
CONTROL
&
PROTECTION
GATE
DRIVE
DREG OCH
GVDD
47 46 45 44 43 42 41 40 39 38
TIMING
GENERATOR 2
DUTY CONTROL
DIGIT CONTROL
WRITE READ
ADDRESS ADDRESS
COUNTER COUNTER
ADDRESS SELECTOR
CG-RAM
DC-RAM CG-ROM
2 3 4 5 6 7 8 9 10 11 12 13 14
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
37 36 35 34 33
32 GR1
31 SG35
30 SG34
GRID
29 SG33
DRIVER
28 SG32
27 SG31
26 SG30
25 SG29
24 SG28
23 SG27
22 SG26
21 SG25
20 SG24
19 SG23
18 SG22
17 SG21
SEGMENT
DRIVER
15 16
HCD-DH50R/DH70SWR
51