Sony CMT-HX50BTR / CMT-HX70BTR / CMT-HX80R / CMT-HX90BTR / HCD-HX50BTR / HCD-HX70BTR / HCD-HX80R / HCD-HX90BTR Service Manual ▷ View online
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
45
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
SELECT 11
1
1A 2
3
4
5
6
7
INPUT
INPUT
OUTPUT
OUTPUT
1A
1B
1Y
2A
2B
2Y
1B
1Y
2A
2B
2Y
GND 8
V
CC
STROBE
16
4A
15
14
13
11
12
11
10
INPUT
INPUT
OUTPUT
OUTPUT
G
4B
4Y
3A
4A
4B
4Y
3A
3B
9
3B
3Y
3Y
S
1I/O
VCC
1
14
1C
13
4C
12
4I/O
11
4O/I
10
1O/I 2
2O/I 3
2I/O 4
2C 5
3C 6
GND 7
3O/I
9
3I/O
8
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
× 1/64
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
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
14
1 2 3
4 5 6
7
13 12 11
10
9 8
VCC
GND
CK
CLR
CK
CLR
Q
PR
Q
Q
PR
Q
D
D
IC701 BA6956AN
IC751 TC74VHC157FT (EKJ)
– AMP Board –
IC701 PCM1808PWR
IC753, 754 TC74HC4066AFT (EL)
IC702 TK11133CSCL-G
IC704 TK11118CSCL-G
IC704 TK11118CSCL-G
IC703 MC74VHC74DTR2
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
46
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 H P
GAIN
CONTROL
INIT/
MUTE
SAMPLING
RATE
CONVERTER
FILTER &
LOW CUT
FILTER
LINER
INTERPOLATOR
Δ 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
SCLA
TCH
24
OVFFLAGR
28 MCKSEL
32 BFVDD
33 BFVSS
34 TEST
35 DVDD
36 XFSIIN
LRCK
BCK
DATA
IC705 CXD9788AR
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
47
RESET 4
GND 1
GND 3
PWM BP 2
DREG RTN 5
GVDD 6
M3 7
M1 10
M2 11
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
IC707, 708 CXD9774M (HX70BTR)
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
48
/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
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
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
IC707 CXD9845AM (HX50BTR/HX80R/HX90BTR)
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