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HCD-HPR90/HPR99XM
IC707, 708
CXD9774M
– FL Board –
IC901
µ
PD16315GB-3BS
RESET 4
GND 1
GND 3
PWM BP 2
DREG RTN 5
GVDD 6
M3 7
M1 10
M2 11
DVDD 12
DREG 8
DGND 9
DGND 14
GND 16
GND 18
PWM
RECEIVER
TIMING
CONTROL
&
PROTECTION
SD 13
OTW 15
DIGITAL
REGULATOR
PROTECTION
LOGIC
OT
&
UVP
DVDD DREG
DREG
DGND
PWM AP 17
PWM
RECEIVER
DVDD DREG
DGND
DREG
GVDD
DREG
GATE
DRIVE
GVDD B
35
GVDD B
36
BST B
33
PVDD B
32
PVDD B
31
OUT B
30
OUT B
29
GND
28
GND
34
GATE
DRIVE
OCH
OCL
TIMING
CONTROL
&
PROTECTION
DREG
GATE
DRIVE
GVDD A
20
GVDD A
19
BST A
22
PVDD A
23
PVDD A
24
OUT A
25
OUT A
26
GND
27
GND
21
GATE
DRIVE
OCH
OCL
GVDD
GVDD
5
OSC
OSC
DATA
SELECTOR
6
DOUT
7
DIN
8
CLK
9
STB
10
KEY1
11
KEY2
SERIAL
INTERFACE
DISPLAY MEMORY
24 BITS x 12 WORDS
24-BIT OUTPUT
LATCH
12-BIT SHIFT
REGISTER
SEGMENT
DRIVER
TIMING GENERATOR
KEY SCAN
COMMAND
DECODER
DIMMING
CIRCUIT
KEY DATA MEMORY
(2 x 16 BITS)
4-BIT LATCH
1
LED1
2
LED2
3
LED3
4
LED4
24
16
16
12
4
8
8
4
8
27 SEG14/KS14
29 SEG16/KS16
30 VEE
28 SEG15/KS15
8
31 SEG17/GRID12
33 SEG19/GRID10
32 SEG18/GRID11
23 SEG10/KS10
24 SEG11/KS11
25 SEG12/KS12
26 SEG13/KS13
22
SEG9/KS9
21
SEG8/KS8
20
SEG7/KS7
19
SEG6/KS6
18
SEG5/KS5
17
SEG4/KS4
16
SEG3/KS3
15
SEG2/KS2
14
SEG1/KS1
MULTIPLEXED
DRIVER
34
SEG20/GRID9
35
SEG21/GRID8
36
SEG22/GRID7
37
SEG23/GRID6
39
GRID4
40
GRID3
41
GRID2
42
GRID1
43
VDD
44
VSS
13
VDD
12
VSS
38
SEG24/GRID5
GRID
DRIVER
Summary of Contents for HCD-HPR90 - Receiver Component For Mini Hi-fi Systems
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