Sony BDV-NF620 / BDV-NF720 / HBD-NF620 / HBD-NF720 Service Manual ▷ View online
HBD-NF620/NF720
61
IC1151 BD80GA3WEFJ-E2
IC1801, 5302 BD00GC0WEFJ-SE2
5
7
8
2
1
3
VO
VO_S
GND
4
N.C.
VCC
N.C.
6
N.C.
EN
+
+
SOFT
START
OVER
CURRENT
PROTECT
THERMAL
SHUT
DOWN
5
7
8
2
1
3
VOUT
FB
GND
4
N.C.
VCC
N.C.
6
N.C.
EN
+
SOFT
TSD
OCP
IC5303 S-1170B33UC-OTSTFG
IC5902 S-T111B50MC-OHJTFG
IC5903 TC74VHC4052AFT (EK)
VOUT
VIN
5
ON/OFF
4
1
VSS 2
NC 3
+
–
–
OVERCURRENT
PROTECTION
THERMAL
SHUTDOWN
REFERENCE
VOLTAGE
ON/OFF
CONTROL
+
–
4
5
1
2
ON/OFF
VOUT
VIN
VSS
3
NC
OVER CURRENT
PROTECTOR
REFERENCE
VOLTAGE CIRCUIT
ON/OFF
CIRCUIT
0Y 1
Y-COM 3
A
10
B
9
3X
11
0X
12
X-COM
13
1X
14
2X
15
VCC
16
O/I
I/O
C
2Y 2
O/I
I/O
C
3Y 4
O/I
I/O
C
1Y 5
O/I
I/O
C
INH 6
GND 7
GND 8
GND 8
I/O
O/I
C
I/O
O/I
C
I/O
O/I
C
I/O
O/I
C
HBD-NF620/NF720
62
IC5904 PCM1808PWR
DELTA-SIGMA
MODULATOR
DELTA-SIGMA
MODULATOR
ANTIALIAS
LOW-PASS FILTER
ANTIALIAS
LOW-PASS FILTER
AGND
VCC
2
3
3
VDD
DGND
4
5
5
LRCK 7
REFERENCE
u1/64
DECIMATION
FILTER
WITH
HIGH-PASS
FILTER
SERIAL
INTERFACE
&
MODE/FORMAT
CONTROL
FMT
12
VINR
14
VINL
13
MD1
11
MD0
10
DOUT
9
BCK
8
CLOCK & TIMING CONTROL
POWER
SUPPLY
SUPPLY
SCKI 6
VREF 1
– FL Board –
IC902 MM3404A33URE
IC902 MM3404A33URE
IC6303 PST8429UL
GND 1
VDD 2
+
–
–
VREF
OUT
4
CD
3
VOUT
3
CE 1
GND 2
VDD
4
+
–
VOLTAGE
REFERENCE
CURRENT
LIMIT
BIAS
HBD-NF620/NF720
63
IC905 S-1170B49UC-OUITFG
IC904 PT6315
1
ON/OFF
2
VSS
3
NC
4 VIN
5 VOUT
OVERCURRENT
PROTECTOR
–
+
+
ON/OFF
CIRCUIT
REFERENCE
VOLTAGE
CIRCUIT
THERMAL
SHUTDOWN CIRCUIT
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
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
HBD-NF620/NF720
64
I2C SERIAL
CONTROL
INTERFACE
CLOCK, PLL,
AND
SERIAL DATA
INTERFACE
PWM_HPM_L 1
PWM_HPP_L 2
PWM_HPM_R 3
PWM_HPP_R 4
PLL_FLTM 6
PLL_FLTP 7
LRCLK 22
SCLK 23
SDIN1 24
SDIN2 25
SDIN3 26
SDIN4 27
SDIN2 25
SDIN3 26
SDIN4 27
VR_DIG 28
RESET 16
HP_SEL 17
PDN 18
MUTE
ASEL_EMO2 10
EMO1 15
DVDD2_CORE 14
DVSS2_CORE 13
AVDD 9
VR_ANA 8
OSC_RES 12
MCLK 11
19
SDA 20
AVSS 5
DEVICE
CONTROL
DIGITAL
AUDIO
PROCESSOR
POWER
SUPPLY
SUPPLY
SCL 21
AVSS_PWM
51
AVDD_PWM
50
PWM_P_1
39
PWM_M_1
38
PWM_P_2
41
PWM_M_2
40
PWM_P_3
43
PWM_M_3
42
N.C.
45
N.C.
44
N.C.
47
N.C.
46
PWM_P_4
49
PWM_M_4
48
N.C.
54
N.C.
53
N.C.
56
N.C.
55
LRCLKO
31
SCLKO
30
PSVC
33
VALID
37
TEST
32
SDOUT
29
VR_RWM
52
DVSS1_CORE
36
DVDD1_CORE
35
BKND_ERR
34
PWM
SECTION
– NX_AMP Board –
IC3001 TAS5534DGGR
IC3001 TAS5534DGGR
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