Sony HCD-HPR90 Service Manual - Page 42

IC707, 708, CXD9774M, IC901, PD16315GB-3BS

Get Sony HCD-HPR90 - Receiver Component For Mini Hi-fi Systems PDF manuals and user guides View all Sony HCD-HPR90 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 42 highlights

HCD-HPR90/HPR99XM IC707, 708 CXD9774M GVDD GND 1 PWM BP 2 GND 3 RESET 4 DREG RTN 5 DVDD DREG PWM RECEIVER DGND DREG OCH TIMING CONTROL & PROTECTION GATE DRIVE GATE DRIVE DIGITAL REGULATOR DREG OCL GVDD 6 GVDD M3 7 DREG 8 DREG DGND 9 M1 10 M2 11 DVDD 12 SD 13 DGND 14 OTW 15 GND 16 PWM AP 17 GND 18 PROTECTION LOGIC OT & UVP DVDD DREG PWM RECEIVER DGND OCL TIMING CONTROL & PROTECTION GATE DRIVE GATE DRIVE DREG OCH GVDD - FL Board - IC901 µPD16315GB-3BS 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 VSS VDD GRID1 GRID2 GRID3 GRID4 SEG24/GRID5 SEG23/GRID6 SEG22/GRID7 SEG21/GRID8 SEG20/GRID9 LED1 1 LED2 2 LED3 3 LED4 4 OSC 5 DOUT 6 DIN 7 CLK 8 STB 9 KEY1 10 KEY2 11 OSC SERIAL INTERFACE 44 43 42 41 40 39 38 37 36 35 34 4-BIT LATCH KEY DATA MEMORY (2 x 16 BITS) TIMING GENERATOR KEY SCAN DISPLAY MEMORY 24 BITS x 12 WORDS COMMAND DECODER 12-BIT SHIFT REGISTER 4 12 4 GRID DRIVER 8 DATA 8 MULTIPLEXED 8 SELECTOR DRIVER 8 24-BIT OUTPUT 24 16 LATCH SEGMENT 16 DRIVER DIMMING CIRCUIT 12 13 14 15 16 17 18 19 20 21 22 33 SEG19/GRID10 32 SEG18/GRID11 31 SEG17/GRID12 30 VEE 29 SEG16/KS16 28 SEG15/KS15 27 SEG14/KS14 26 SEG13/KS13 25 SEG12/KS12 24 SEG11/KS11 23 SEG10/KS10 VSS VDD SEG1/KS1 SEG2/KS2 SEG3/KS3 SEG4/KS4 SEG5/KS5 SEG6/KS6 SEG7/KS7 SEG8/KS8 SEG9/KS9 42

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
42
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