Sony CMT-U1BT / HCD-U1BT Service Manual ▷ View online
53
HCD-U1BT
IC112 MC14052BDTR2
IC701 BA6956AN
– DRIVER Board –
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
IC108 PST3629NR
– MAIN Board –
VREF
5
4
3
2
1
OUT
VDD
GND
NC
CD
IC110 BD3870FS-E2
VIN1
VIN2
SEL2
SEL1
A1
A2
B1
B2
C1
C2
FILTER
GND
CAP
TNF1
TNF2
BNF2
BOUT2
BNF1
BOUT1
OUT1
OUT2
SI
SC
VCC
BASS1
f
0
=80Hz
BASS2
f
0
=80Hz
21
20
19
18
17
16
15
14
13
TREBLE2
f
0
=8kHz
22
TREBLE1
f
0
=8kHz
23
SURROUND
24
1
2
3
4
LOGIC
VCC/2
VCC/2
VCC/2
VCC/2
VCC/2
5
6
7
8
9
10
11 12
BINARY TO 1-OF-4
DECODER WITH
INHIBIT
LEVEL
CONVERTER
Y0
Y1
Y2
Y3
X
X0
X1
X2
X3
Y
VDD
A
B
VSS
VEE
INH
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
54
HCD-U1BT
– SMASTER Board –
IC701 PCM1803DBR
DELTA-SIGMA
MODULATOR
DELTA-SIGMA
MODULATOR
VINL 1
VINR 2
VREF1 3
VREF2 4
VCC
AGND
5
6
BYPAS 8
TEST 9
LRCK 10
REFERENCE
×
1/64,
×
1/128
DECIMATION
FILTER
WITH
HIGH-PASS
FILTER
SERIAL
INTERFACE
&
MODE/FORMAT
CONTROL
MODE1
20
MODE0
19
FMT1
18
FMT0
17
OSR
16
SCKI
15
VDD
14
DGND
13
DOUT
12
BCK
11
CLOCK & TIMING CONTROL
POWER
SUPPLY
PDWN 7
2
3
4
5
6
7
8
9
10
11
12
13
14
1
RD1
D1
CP1
SD1
Q1
Q1
GND
Vcc
RD2
D2
CP2
SD2
Q2
Q2
|
|
IC703 MC74VHC74DTR2
12
11
10
9
8
7
6
5
4
3
VSUBC
XVSS
OUTR2
VSSR
OUTR1
VDDR
VSSL
VSSR
OUTL2
OUTL1
VSSL
VDDL
2
1
PWM
CLOCK
GENERATOR
(SECONDARY)
CLOCK
GENERATOR
(PRIMARY)
31
29
25
OVFFLAGL
26
SFLAG
27
INIT
30
S g P
GAIN
CONTROL
INIT/
MUTE
SAMPLING
RATE
CONVERTER
FILTER &
LOW CUT
FILTER
LINER
INTERPOLATOR
∆ Σ
48
XFSOIN
47
XVDD
HPVDDL
46
45
HPOUTL1
HPVSSL
44
43
HPOUTL2
HPVDDR
42
41
HPOUTR1
HPVSSR
40
HPOUTR2
39
37
FSOCKO
38
FSOI
13
XOVSS
14
XFSOOUT
15
XOVDD
16
DVDD
17
DVSS
18
NSPMUTE
19
SOFTMUTE
20
PGMUTE
SERIAL
CONTROLLER
21
SCDT
22
SCSHIFT
23
SCLATCH
24
OVFFLAGR
28
MCKSEL
32
BFVDD
33
BFVSS
34
TEST
35
DVDD
36
XFSIIN
LRCK
BCK
DATA
IC705 CXD9788AR
55
HCD-U1BT
– SMASTER Board –
IC707 CXD9845M
/OTW 2
GVDD_B 1
PROTECTION
LOGIC
GATE
DRIVE
GVDD_A
36
BST_A
35
PVDD_A
34
OUT_A
33
GND
32
GATE
DRIVE
OVER CURRENT
FAULT
OVER CURRENT
FAULT
/SD 3
PWM_A 4
PWM_B 6
/RESET_AB 5
/RESET_CD 15
PWM_C 14
M1 13
M2 12
GND 11
GND 8
GND 9
VREG 10
OC_ZDJ 7
PROTECTION
&
RESET LOGIC
OLP
OTP
OTP
CB3C
TIMING
CONTROL
STUCK
DETECT
STUCK
DETECT
STUCK
DETECT
REGULATOR
STUCK
DETECT
/HIZ_LS
/OCH
/OCL
/RESET
/HIZ_HS
/UVP
PROTECTION
LOGIC
GVDD_C
PWM_D 16
VDD 17
18
GATE
DRIVE
BST_C
27
PVDD_C
26
OUT_C
25
GND
24
GATE
DRIVE
OVER CURRENT
FAULT
OVER CURRENT
FAULT
TIMING
CONTROL
/HIZ_LS
/OCH
/OCL
/RESET
/HIZ_HS
/UVP
PROTECTION
LOGIC
GATE
DRIVE
BST_B
28
PVDD_B
29
OUT_B
30
GND
31
GATE
DRIVE
OVER CURRENT
FAULT
OVER CURRENT
FAULT
TIMING
CONTROL
TIMING
CONTROL
/HIZ_LS
/OCH
/OCL
/RESET
/HIZ_HS
/UVP
PROTECTION
LOGIC
GATE
DRIVE
BST_D
20
GVDD_D
19
PVDD_D
21
OUT_D
22
GND
23
GATE
DRIVE
OVER CURRENT
FAULT
OVER CURRENT
FAULT
TIMING
CONTROL
TIMING
CONTROL
/HIZ_LS
/OCH
/OCL
/RESET
/HIZ_HS
/UVP
PROGRAMMABLE
CURRENT SENSE
TEMPERATURE
WARNING/ERROR
2
4
/HIZ_HS
4
/HIZ_LS
4
/OCH
4
/OCL
GVDD_D
GVDD_C
GVDD_B
GVDD_A
VREG
4
/RESET
VREG
UNDER
VOLTAGE
PROTECTION
POWER-UP
RESET
/UVP
GVDD_A
GVDD_D
GVDD_B
GVDD_C
VREG
56
HCD-U1BT
– PANEL Board –
IC304 SN74LV123ANSR
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
R
R
1A
1B
1CLR
1Q
2Q
2CEXT
2REXT/CEXT
GND
Vcc
1REXT/CEXT
1CEXT
1Q
2Q
2CLR
2B
2A
_
_
_
_
1
2
3
4
5
EN
GND
FLG
OUT
IN
CURRENT
LIMIT
GATE
CONTROL
UVLO
THERMAL
SHUTDOWN
FLAG
DELAY
– USB Board –
IC1 R5520H001A-T1-FB
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