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
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
41
41
6-25. SCHEMATIC DIAGRAM - PANEL Section -
• See page 28 for Waveforms.
R945
Q951
R944
R951
R919
R953
IC901
R930
Q908
D906
D905
D907
R985
Q901
Q902
R936
Q904
Q906
Q907
R935
R943
R940
Q905
Q903
R979
R952
Q952
R939
R948
R927
IC951
C921
C902
S954
S952
S951
R970
R984
R959
R983
R958
R982
R957
R981
R956
R980
R911
R910
R90
2
R903
R904
R905
R906
R907
R901
R908
C90
1
R909
C910
R954
R989
R990
R992
R991
R947
R950
R955
JW923
Q953
C905
R929
R926
R933
C912
R937
R928
C916
C920
R949
R921
C904
R917
R934
D911
C922
R918
R920
D903
R923
R924
FL901
C923
C924
C925
C927
D951
D909
D953
C917
C913
C909
C926
C903
C906
C907
R960
R966
R961
R963
R977
R976
CNA906
R965
R967
R978
R975
R974
R972
R973
S968
S967
S966
S965
S963
S962
S961
S970
S971
S972
S973
S974
S975
S976
S953
RV952
C962
C954
10k
2SC3052F
10k
1k
22k
2.2k
NJM4558M
10k
2SC3052F
MC2837
MC2837
MC2837
100
2SC3052F
2SC3052F
10k
2SC3052F
2SC3440
2SA1365
1k
47
47
RT1N441C
RT1N441C
2.2k
47
ISA1235AC1TP
-1EF
47
47
1k
NJL24H400A
0.1
0.1
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
10k
10k
100k
47k
100k
47k
2.2k
2.2k
47k
10
0.1
10
0.1
100
2.2k
4.7k
10k
1k
470
220
10k
2SC3052F
1000p
10k
47k
22k
10
50V
10k
10k
10
50V
10
50V
10k
10k
10
50V
22k
22k
UDZW-TE17
-5.6B
10
50V
470
1k
1SS355W
1k
47k
100p
100p
100p
100p
1N4002-B5
1
1
10
50V
0.1
0.1
0.1
0.1
1k
10k
2.2k
2.2k
15k
10k
3P
4.7k
15k
47k
4.7k
2.2k
1k
2.2k
ROTARY
ENCODER
0.1
1
A
B
COM
VOLUME
+3.3V
GND
OUT
DGND
EVER+3.3V
LED STANDBY
SIRCS
VOLUME JOG
VFD RESET
VFD SD
VFD CS
VFD SCLK
VFD PWR ON
VFD +7V
VFD DGND
KEY1
VFD +12V
BT LED
FLUORESCENT INDICATOR TUBE
BLUETOOTH OPR
B+ SWITCH
LED DRIVE
LED DRIVE
BLUETOOTH
STANDBY
1
15
(HX50BTR/HX70BTR/HX90BTR)
B+ SWITCH
VCC
GND
B+ SWITCH
Q904,908
Q901,902
GRID DRIVER
POWER CONTROL SWITCH
Q903,905
POWER CONTROL SWITCH,
DC/DC
CONVERTER
Q906,907
(HX50BTR/HX70BTR/HX90BTR)
SEARCH
SEARCH/DAB AUTO SCAN
ENTER
DSGX
DGND
KEY2
KEY3
FUNCTION
CD-USB SYNC
+
-
/REC1
USB MENU
TUNE -
(HX50BTR/HX70BTR)
(HX80R/HX90BTR)
/CANCEL
TUNE +
USB
CD
TUNER/BAND
DMPORT
TUNER/BAND
CD
USB
(HX80R)
(HX50BTR/HX70BTR/HX90BTR)
BLUETOOTH
REMOTE CONTROL
RECEIVER
2
1
3
1
2
3
(Page 31)
(Page 31)
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
42
42
6-26. PRINTED WIRING BOARD - SW POWER Board -
•
: Uses unleaded solder.
• See page 21 for Circuit Boards Location.
R10
R32
R68
R73
C41
R29
Q2
C6
R8
C13
R33
R20
R27
R24
R16
D81
C17
C18
R87
C14
C21
R41
R5
R7
R18
R67
R14
R15
D15
C19
R17
R11
D17
Q51
Q81
R58
C52
C53
C51
R60
R57
R55
R53
R79
R76
R74
R83
C72
R75
R72
R77
R78
Q83
R84
R85
L53
C82
R71
L54
R70
R82
C35
Q82
D16
C34
R64
R86
C37
R81
R89
R88
Q71
C47
Q84
Q72
C39
C38
C43
C42
C42
R63
Q60
C60
Q61
C48
Q62
Q63
Q64
C62
R65
R66
JR10
VR002
VR003
D3
D2
C12
CNA32
TH2
R4
R3
JW3
JW28
W1
EP11
JW23
HT1
D33
C31
HT4
PH12
C20
JW36
C33
C25
R12
CN31
JW3
1
HT2
PH1
1
Q12
Q1
1
TH3
D14
R25
TH1
R23
JW1
9
JW14
JW2
0
C81
VR001
C11
IC11
FB11
JW13
D32
FH1
JW4
T1
F1
R22
D1
R13
D72
JW9
C32
C16
C22
C23
JW26
R56
JW27
D52
R54
C4
D51
C54
C74
R51
IC51
R52
PH51
C5
C24
C2
D11
C1
FH2
JW1
D43
IC71
JW5
L72
C73
JW6
JW24
JW22
JW2
5
JW3
0
R2
JW1
0
R80
C15
FB52
JW29
JW16
FB5
3
FB54
CN1
FB51
D44
JW1
5
R62
D31
EP12
SW POWER BOARD
1
4
5
7
8
T51
SUB POWER
TRANSFORMER
1
3
18
1
10
1
4
9
G
S
D
T31
MAIN POWER
TRANSFORMER
P2
AMP
BOARD
CN704
P1
AMP
BOARD
CN704
(CHASSIS)
(CHASSIS)
S1
120 - 127 V 220 - 240 V
(HX50BTR: CND, MX)
HX50BTR:
E51, BR
E51, BR
VOLTAGE SELECTOR
LINE FILTER
S1
(AC IN)
G
S
D
2
1
(HX50BTR: CND, E51, MX, BR)
(HX50BTR: E51, BR)
HX50BTR: CND,
E51, MX, BR
E51, MX, BR
HX50BTR: AEP, RU, SP, AR, KR/
HX70BTR/HX80R/HX90BTR
HX70BTR/HX80R/HX90BTR
(HX70BTR)
(CHASSIS) (HX80R/HX90BTR)
L
MAIN BOARD
CN504
E
E
E
E
E
E
5
1
E
E
E
E
E
E
E
(HX70BTR)
HX50BTRHX80R/
HX90BTR
HX90BTR
1-876-116-
12
(12)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
(Page 34)
(Page 36)
(Page 30)
Ref. No. Location
• Semiconductor
Location
D1
C-3
D2
C-2
D3
D-3
D11
E-5
D14
F-5
D15
E-5
D16
E-5
D17
E-5
D31
G-5
D32
F-2
D33
G-4
D43
G-6
D44
G-6
D51
C-5
D52
D-5
D72
D-6
D81
G-6
IC11
E-5
IC51
C-6
IC71
D-7
PH11
F-6
PH12
F-6
PH51
D-6
Q2
E-6
Q11
E-4
Q12
E-2
Q51
C-6
Q60
G-5
Q61
G-5
Q62
G-5
Q63
G-5
Q64
G-6
Q71
E-7
Q72
E-6
Q81
F-6
Q82
F-6
Q83
F-6
Q84
G-6
Ver. 1.1
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
43
43
6-27. SCHEMATIC DIAGRAM - SW POWER Board -
• See page 44 for IC Block Diagrams. • See page 50 for IC Pin Function Description.
FH1
FH2
D11
D1
D31
Q12
Q11
C25
D14
R11
IC11
R32
D15
IC51
R57
IC71
D72
L72
PH51
R53
Q84
Q2
Q81
Q83
D16
R41
R58
R83
R20
R82
R24
R71
R8
R86
R72
R27
R29
R77
C20
Q51
Q82
R33
R79
Q72
Q71
R73
D17
R70
R74
R88
R66
Q60
Q61
Q62
Q63
Q64
R68
PH12
CN1
T1
VR001
C2
EP11
R1
TH2
D3
D2
TH1
R51
R52
R55
R60
R54
C54
D51
D52
R56
C73
C74
R76
R64
R63
R65
W1
CN31
R87
C81
R67
R85
R84
R81
D81
R89
D43
D44
C35
C34
C48
C47
C31
C33
C39
D32
PH11
R25
T31
R18
R22
R16
C18
C16
C15
R15
R5
EP12
F1
TH3
JW4
JW28
JW6
JW5
R4
C12
JW3
R13
R12
C6
R14
C13
C14
C17
R17
C19
C21
C11
R7
R10
C23
R23
C24
C22
C52
C51
FB11
R3
VR002
VR003
C4
C5
S1
T51
R75
C72
L53
R78
C62
C82
R80
R62
C32
FB54
FB53
FB52
FB51
L54
CNA32
C43
C42
C41
JW36
C38
C37
C53
R2
C1
C60
UF4005/23
D3SB60F3
D10SC6M
2SK3561(LB2SONY)
2SK3561(LB2SONY)
220
35V
35V
10ERB20-TB3
0
CXD9841P
1k
UDZW15B
MIP2F2
0
FAN431AZXA
10ERB20-TB3
TLP421F(D4-GRJ)
220k
ISA1235AC1TP-1EF
2SC3052F
2SC3052F
2SC3052F
UDZW-TE17
-15B
100k
100k
47k
10k
10k
1k
1k
1k
1k
470
10
10
47
47
35V
ISA1235AC1TP-1EF
ISA1235
AC1TP-1EF
470
10k
RT1N141C
ISA1235AC1TP-1EF
47
RB751V-40TE-17
2.2k
2.2k
1k
10k
2SC3052F
2SC3052F
2SC3052F
ISA1235AC1TP-1EF
RT1P141C
470
TLP421F(D4-GRJ)
2P
0.22
2.2M
S2V60-TA
S2V60-TA
2.2M
2.2M
15k
470k
47
1
50V
10ERB20-TB3
ST02D-200TA
1
220
10V
10V
220
10V
10V
10
μH
22k
2.2k
2.2k
10k
4P
1k
10
50V
47k
10k
10k
470
UDZW
-TE17-10B
1k
10ERB20-TB3
10ER
B20-TB3
1
1
1
1
2200
10V
47
25V
1
RB085T-90
TLP421F(D4-GRJ)
33
10k
1k
100
0.1
4.7
50V
10
35V
T5A
250V
1M 1/2W
390 250V
4.7M
4.7M
0.01
470k
0.01
1000p
1000p
0.01
0.22
150k
220p
1kV
0.1
2W
220p
1kV
0.1
1
1.1
μH
1M 1/2W
470p
250V
250V
470p
250V
250V
4.7k
0.1
47k
0.01
0.01
0.1
1W
0.1
1W
1.1
μH
1.1
μH
1.1
μH
1.1
μH
5P
1000p
0.1
1
0.01
1
2200p
2.2M
1/2W
1/2W
0.22
275V
275V
1
POWER ON
ST-BY 4V
VDD
FB
CL
VCC
SOU
RCE
SOU
RCE
DRAI
N
VSENSE
F/B
CT
RT
GND
SS
VC1
OCP
VC2
P-GND
VG(L)
VB
VS
VG(H)
VD
GND
GND
GND
AC_L
AC_N
PROTECT
27V
27V
D12V
D7.5V
(CHASSIS)
(CHASSIS)
(CHASSIS)
LINE FILTER
(AC IN)
POWER CONTROL
82 (HX70BTR)
100 (HX50BTR/HX80R/HX90BTR)
(HX70BTR)
∗ C11
∗
100 450V
130 450V
390 250V
(HX50BTR:CND,E51,MX,BR)
HX50BTR:AEP,RU,SP,AR,
KR/HX80R/HX90BTR
∗
(HX70BTR)
(HX50BTR/HX80R/HX90BTR)
∗R7
150K
180K
(HX70BTR)
(HX50BTR/HX80R/HX90BTR)
270K
330K
∗
(HX70BTR)
(HX50BTR/HX80R/HX90BTR)
∗R15
15K
18K
18K
(HX70BTR)
SWITCHING
SWITCHING
ISOLATOR
ISOLATOR
(HX70BTR)
0.039 1KV
0.033 800V
HX90BTR
HX50BTR/HX80R
ISOLATOR
POWER
CONTROL
VOLTAGE SELECTOR
120-127V
220-240V
(HX50BTR:E51,BR)
(HX50BTR:CND,MX)
(HX50BTR:CND,E51,MX,BR)
(HX50BTR:CND,E51,MX,BR)
(HX50BTR:E51,BR)
(HX50BTR:CND,E51,MX,BR)
SUB POWER
TRANSFORMER
REGULATOR
SHUNT
Q71,72
PROTECTOR
Q60-63
AC DETECT
DC DETECT
Q64,82-84
TRANSFORMER
MAIN POWER
∗
(HX70BTR)
(HX50BTR/HX80R/HX90BTR)
∗C32
1800 35V
2200 35V
2200 35V
(HX70BTR)
(HX50BTR/HX80R/HX90BTR)
(HX80R/HX90BTR)
SWITCH
FEED BACK
HX50BTR:AEP,RU,SP,AR,KR/
HX70BTR/HX80R/HX90BTR
HX70BTR/HX80R/HX90BTR
INVERTER
Q81
POWER ON/OFF
CONTROL SWITCH
(HX70BTR)
(HX50BTR/HX80R/HX90BTR)
D33
MTZJ-T77-27A
MTZJ-T77-27B
HX50BTR:
E51,BR
E51,BR
(Page 32)
(Page
35)
(Page
37)
Ver. 1.1
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
44
44
• IC Block Diagrams
– CD Board –
– CD Board –
IC201 TK63115SCL-G@GT
THERMAL &
OVER CURRENT
PROTECTION
VOLTAGE
REFERENCE
ON/OFF
CONTROL
VIN 1
GND 2
VCONT 3
NC
4
VOUT
5
+
–
1
2
3
4
5
6
7
8
9
10
11
12
13
13
14
28
27
26
24
23
22
21
20
19
18
17
16
15
25
LEVEL
SHIFT
LEVEL
SHIFT
THERMAL
SHUT-DOWN
REGULATOR
REGULATOR
BIAS TRAP
LEVEL
SHIFT
MUTE
LEVEL
SHIFT
D.BUFF
D.BUFF
D.BUFF
GND
IN4
IN4'
BIAS
VCC
VCC
IN3'
IN3
VO3(+)
VO3(–)
VO4(–)
VO4(+)
RESETt
OPIN
VO1(–)
REGB
VO1(+)
IN1
RESET
REGOUT
MUTE
GND
IN2'
IN2
VO2(+)
VO2(–)
GND
OPOUT
D.BUFF
D.BUFF
D.BUFF
D.BUFF
D.BUFF
REGULA
TOR
VCC
VCC
1
EN
2
GND
3
FLG
4 IN
5 OUT
GATE
CONTROL
UVLO
THERMAL
SHUTDOWN
CURRENT
LIMIT
FLAG
DELAY
VIN 1
CE 3
VSS 2
NC
4
VOUT
5
+
–
–
ON/OFF
CONTROL
CURRENT
LIMIT
VOLTAGE
REFERENCE
IC401 BA5826SFP-E2
– USB Board –
IC915 R5523N001B-TR-F
– BT Board –
IC903 XC6213B332MR
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
VDD 1
GND 2
CE 3
NC
4
REGULATOR
VOUT
5
1
A1
18 BCB1
17 BCA1
16 BCA2
17 BCA1
16 BCA2
20 SB2
19 OUT2
22 SB1
21 SR
21 SR
24 VCC
23 OUT1
26 SDA
25 SCL
25 SCL
28 FIL
27 GND
27 GND
15 BCB2
2
A2
3
B1
5
C1
6
C2
4
B2
11
VOL1
12
VOL2
13
TC2
14
TC1
7
D1
8
D2
9
SEL2
10
SEL1
INPUT
SELECTOR
TREBLE/
BASS
INVERTER
VOLUME
INPUT
GAIN
SURROUND
PC BUS
LOGIC
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
VCC
VCC
2
GND
3
C
5
OUT
4
CTL
1
–
+
VREF
DRIVER
OCP
TSD
OVP
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
– DAB Board –
IC801 TK11133CSCL-G
IC802 MM3291CNRE
– MAIN Board –
IC501 BD3499FV-E2
IC503 MC14052BDTR2
IC510 MC14052BDTR2
IC510 MC14052BDTR2
IC506 BA00BC0WT-V5
IC507 TK11150CSCL-G
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