Sony BDV-E280 / BDV-T28 / HBD-E280 / HBD-T28 Service Manual ▷ View online
HBD-E280/T28
57
IC1361 MM1685YNRE
IC1401 TPIC1391DBTRG4
1
VIN
2
GND
3
CONT
4 NOISE
5 VOUT
DRIVER
CURRENT
LIMITTER
THERMAL
SHUTDOWN
BIAS
REFERENCE
6
SWR_OUT_SEL
1
LEDO
2
LATCH_SET
30 LATCH_RSOUT
5
SWR_SEQ2
3
LATCH_CLR
STP1_IN
27 CSWO
29 LATCH_XRSOUT
25 FB3P3V
26 TEST1
23 PGND_SW
28 CSWI
7
STEP_ENA
24 REG3P3V
4
SWR_SEQ1
8
14
A5V
9
STP2_IN
10
XLEDON
22 REG1PXV
13
XRESET
11
CSWON
19 STP2-
21 P5V_SW
17 STP1-
18 STP2+
20 FB1PXV
15
AGND
16 STP1+
12
COLLIENDZ
POWER
MONITOR
LATCH
CIRCUIT
POWER
MOS FET
SWITCHING
REGULATOR
STP1 CONTROL
CIRCUIT
CURRENT SWITCH
CONTROL CIRCUIT
CONTROL CIRCUIT
SWITCHING REGULATOR
VOLTAGE RESET CONTROL
STP2 CONTROL
CIRCUIT
COLLIMATOR
END DETECTION
PRE-DRIVER
REFERENCE
TSD
VCO
LED
SWITCH
LED
CONTROL
CIRCUIT
SWITCHING
REGULATOR
INTERNAL
CONTROL
CONTROL
A5V
A5V
CURRENT
SWITCH
SWITCHING
REGULATOR
POWER
MOS FET
PRE-DRIVER
A5V
A5V
HBD-E280/T28
58
IC2401 TPIC1405ADFDRG4
6
VREF
1
C19V
2
CP2
5
AGND_1
3
CP1
TEST2
55 SLED2_P
53 SLED1_N
54 P12V_3
51 PGND_3
56 SLED2_N
7
TEST1
52 SLED1_P
4
CA5V
8
14
XMUTE2
9
TEST3
10
TEST4
50 CV3P3
13
XMUTE1
11
XFG
47 ICOM2
49 MCOM
45 P12V_2
46 W
48 ISENSE
15
GC
44 V
12
MONITOR
21
VFCS
16
VSLED1
17
VSLED2
43 ICOM1
20
VTRK
18
VSPIN
PGND_1
40 C10V
42 U
38 AGND_3
39 P5V_2
36 TEST5
41 P12V_1
22
VTLT
37 TEST6
19
VLOAD
23
24
TLT_P
25
TLT_N
35 AGND_2
28
FCS_N
26
P5V_1
32 LOAD_P
34 PGND_2
30 TRK_N
31 P5V12L
33 LOAD_N
29 TRK_P
27
FCS_P
ABSOLUTE/
PWM CONTROL
CIRCUIT
MATRIX
CIRCUIT
POWER
MOS FET
PRE-DRIVER
PRE-DRIVER
PRE-DRIVER
PRE-DRIVER
POWER
MOS FET
PRE-DRIVER
NF
NF
NF
NF
NF
NF
POWER
MOS FET
PRE-DRIVER
POWER
MOS FET
PRE-DRIVER
POWER
MOS FET
POWER
MOS FET
POWER
MOS FET
ABSOLUTE/
PWM CONTROL
CIRCUIT
ABSOLUTE/
PWM CONTROL
CIRCUIT
ABSOLUTE/
PWM CONTROL
CIRCUIT
ABSOLUTE/
PWM CONTROL
CIRCUIT
ABSOLUTE/
PWM CONTROL
CIRCUIT
START-UP
CIRCUIT
SLED END
DETECTION
GAIN
CONTROL
CURRENT LIMIT
TSD CIRCUIT
CHARGE
PUMP
3
2
3
BEMF DETECT
COMPARATOR
COMPARATOR
2
C19V
C19V
C19V
C19V
CA5V
C10V
C10V
C10V
C10V
C10V
P5V_2
CV3P3
4
HBD-E280/T28
59
IC5302 S-1170B33UC-OTSTFG
IC5305, 6501 SI-3010KM-TLS
VOUT
VIN
5
ON/OFF
4
1
VSS 2
NC 3
+
–
–
OVERCURRENT
PROTECTION
THERMAL
SHUTDOWN
REFERENCE
VOLTAGE
ON/OFF
CONTROL
1
VC
TSD
2
VIN
3
GND
4
VOUT
5
ADJ
+
–
REF
IC5701 TMDS261BPAGR
49
48
LP
55
VCC
61
VCC
58
GND
63
D2+_2
D1+_2
62
D2
_2
64
NC
60
59
D1
_2
D0+_2 57
56
D0
_2
TMDS RX W/AEQ
TMDS RX W/AEQ
TMDS RX W/AEQ
TMDS RX W/AEQ
TMDS RX W/AEQ
TMDS RX W/AEQ
TMDS TX
CLK+_2 54
53
52
CLK
_2
SCL2
TMDS RX
TMDS RX
CLOCK DETECT
CLOCK
DETECT
CLOCK DETECT
TX
RX
51
SDA2
50
HPD2
D2+_1
47
D2
_1
45
D1+_1
44
D1
_1
42
D0+_1
41
D0
_1
39
CLK+_1
38
CLK
_1
37
SCL1
36
SDA1
35
HPD1
46
VCC
40
VCC
43
GND
TX
RX
TX
RX
34
I2C_SEL
33
32
S2/SDA
S1/SCL
TX
RX
RX
31 HPD_SINK
30 SDA_SINK
2:1
MUX
LOCAL I2C
AND
CONTROL
LOGIC
TX
RX
29 SCL_SINK
27 CLK
_SINK
28 GND
22 GND
25 VCC
TX
26 CLK+_SINK
TMDS TX
21 D1
_SINK
19 VCC
20 D1+_SINK
TMDS TX
18 D2
_SINK
17 D2+_SINK
TMDS TX
24 D0
_SINK
23 D0+_SINK
16
VSADJ
15
GND
14
NC
13
NC
11
NC
10
NC
12
VCC
9
GND
8
NC
7
NC
3
GND
2
NC
1
NC
5
NC
4
NC
6
VCC
HBD-E280/T28
60
IC5703, 5708 TC74LVX4052FT
16
13
15
11
9
10
2
3
6
7
8
A
B
3X
14
1X
12
0X
2X
X-COM
VCC
GND
VEE
INH
Y-
C
O
M
2Y
LOGIC LEVEL
CONVER
TOR
C
OUT
IN
C
OUT
IN
C
OUT
IN
C
OUT
IN
C
OUT
IN
C
OUT
IN
C
OUT
IN
C
OUT
IN
1
0Y
4
5
1Y
3Y
IC5706 TC7WH157FK
SELECT
11
6
ST
11
7
A 1
2
3
A
B
Y
5
Y
B
GND 4
VCC
8
Y
EN G
Y
IC5906 SN74LV4052APWR
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
2Y0
1Y2
VCC
1Y1
1-COM
1Y0
1Y3
A
B
GND
GND
INH
2Y1
2Y3
2-COM
2Y2
IC5907 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
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