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
17
17
6-2. BLOCK DIAGRAM - TUNER/USB/BLUETOOTH Section -
BUS1
BUS0
BUS2
BUS3
BUS3
BUCK
CCE
REQ
LB
I/O0 – I/O15
D0 – D15
S-RAM
IC921
39
UB 40
OE 41
WE 17
CE 6
79 D+
80 D–
77 USBOC
USB CONTROLLER
IC901
35 USB TXD_OUT
SYSTEM CONTROLLER
IC301 (2/5)
CN902
(USB)
3
2
1
D+
D–
78 USBPON
70 CS2
64 RD
65 WR
66 SRLLB
67 SRLUB
64 RD
65 WR
66 SRLLB
67 SRLUB
VBUS
B
DATA, CLOCK,
A-IN, BCK, LRCK,
GATE, ST-REQ
C
BUS0 – BUS3,
BUCK, CCE, REQ
VBUS POWER
ON/OFF SWITCH
IC915
5
1
4
OUT
EN
3
FLG
IN
VBUS
+5V
93
DATA
92
BCK
BCK
A-IN
LRCK
GATE
GATE
ST-REQ
71
LRCK
94
GATE
97
ST-REQ
55
BUS0
56
BUS1
88
RXD1
36 USB RXD_IN
87
TXD1
38 USB RTS
2
DI
6 USB_CTS
84
DO
5 USB_RESET
1
/RESET
57
BUS2
58
BUS3
59
/BUCK
60
/CCE
96
REQ
7 – 10, 13 – 16,
29 – 32, 35 – 38
18 – 25, 28 – 35
A0 –
A15
A1 –
A16
44 – 42, 27 – 24,
21 – 18, 5 – 1
37 – 43, 46 – 54
73
X2
75
X1
X901
9MHz
: USB
CLOCK
DATA
85
DATA
86
CLOCK
: AUDIO
: CD PLAY
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: TUNER (FM/AM)
ANT901
33 BT CTS
34 BT RTS
31 BT TXD_OUT
32 BT RXD_IN
32 BT RXD_IN
IC904
BLUETOOTH MODULE
10
A_OUT_P_L
9
A_OUT_N_L
5
A_IN_P_L
4
A_IN_N_L
8
A_OUT_P_R
7
A_OUT_N_R
41
UART_TXD
40
UART_RXD
38
UART_CTS
39
UART_RTS
49 BT RESET
45 BT AV ROLE
12
PIO_00
46
RESET
MIX AMP
IC902
3
A_IN_P_R
2
A_IN_N_R
D
TUNER-L
PATTERN
ANTENNA
(FOR BLUETOOTH)
R-CH
R-CH
LINE AMP
IC901
(HX50BTR/HX70BTR/HX90BTR)
E
BT-L
F
BT OUT-L
TUNER (FM/AM)
AM
FM ANT
AM ANT
L OUT
R OUT
DO/STEREO
R-CH
RDS DATA
RDS CLK
ST DIN
ST CLK
ST CE
FM75
Ω
COAXIAL
ANTENNA
82 ST DATA IN/STEREO
83 RDS DATA
18 RDS INT
18 RDS INT
80 ST DATA OUT
81 ST CLK
79 ST CE
81 ST CLK
79 ST CE
HX50BTR: AEP/HX70BTR/
HX80R/HX90BTR
HX80R/HX90BTR
: BLUETOOTH IN
: BLUETOOTH OUT
TUNED
76 ST TUNED
(Page 16)
(Page 16)
(Page 18)
(Page 18)
(Page 18)
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
18
18
6-3. BLOCK DIAGRAM - MAIN Section -
(HX50BTR/HX70BTR/HX90BTR)
(HX80R/HX90BTR)
OUTPUT SELECTOR
IC510
A
13
14
12
10
AUDIO IN
R-CH
J981
CD-L
A
BT-L
E
TUNER-L
D
6
9
4
2
10
A
9
B
SEL
A
70
SEL
B
71
26
SDA
25
SCL
AMP
IIC_SDA
24
AMP
IIC_CLK
22
TA
LINE-MUTE
89
HP
MUTE
87
HP
DET
86
AUDIO IN DET
85
G
(HX50BTR/HX70BTR/HX90BTR)
L-CH
F
BT OUT-L
X
X1
X0
OUT2
INPUT SELECTOR, ELECTRICAL VOLUME,
SURROUND/TONE CONTROL
IC501
SYSTEM CONTROLLER
IC301 (3/5)
: AUDIO
: CD PLAY
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: DMPORT
: TUNER (DAB)
: AUDIO IN
: TUNER (FM/AM)
PHONES
R-CH
J982
15
12
BT
AUD OUT
MUTE
88
6
INH
SEL
INH
72
Q370
Q371
(HX80R/HX90BTR)
Q372
Q388
INPUT SELECTOR
IC503
13
X0
14
X1
X2
C2
8
D2
SEL2
VOL2
B2
A2
X
12
MUTING
Q511
R-CH
19
MUTING
CONTROL SWITCH
Q389, 504
MUTING
Q554
R-CH
R-CH
MUTING
CONTROL SWITCH
Q387, 551
HEADPHONE
AMP
IC551
CN901
13
11
L+
L–
DMPORT
(HX50BTR/HX70BTR/HX90BTR)
(HX80R)
(HX50BTR/HX70BTR/HX90BTR)
DAB TXD_OUT
47
DAB RXD_IN
48
DAB TUNER MODULE
DAB ANT
AUDL
AUDR
S1_DOUT
R-CH
S1_DIN
LOW-PASS
FILTER
IC803
ANTENNA
DAB 75
Ω
14
12
R+
R–
6
5
TXD
RXD
7
DET
LINE AMP
IC521
CLINK RXD_IN
78
DMPOR
T DET
84
CLINK TXD_OUT
77
(Page 16)
(Page 17)
(Page 17)
(Page 17)
(Page 19)
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
19
19
6-4. BLOCK DIAGRAM - AMP Section -
SYSTEM CONTROLLER
IC301 (4/5)
L-CH
SD
G
13
A/D CONVERTER
IC701 (HX50BTR/HX80R/HX90BTR)
IC701 (HX70BTR)
STREAM PROCESSOR
IC705 (HX50BTR/HX80R/HX90BTR)
IC705 (HX70BTR)
LI-N
31 DATA
6 SCKI
DOUT 9
30 BCK
BCK 8
29 LRCK
36 XFSIIN
48 XFSOIN
48 XFSOIN
LRCK 7
S-MASTER DATA 39
OUTL1 11
DIGITAL POWER AMP
IC707
4 PWM_A
6 PWM_B
16
3
PWM_D
/SD
14 PWM_C
OUT_A 33
OUT_B 30
OUT_D 22
OUT_C 25
OUTL2 9
15
/RST_CD
5
/RST_AB
OUTR1 6
OUTR2 4
X702
49.152MHz
21 SCDT
S-MASTER SHIFT 40
22 SCSHIFT
S-MASTER LATCH 42
23 SCLATCH
S-MASTER PG MUTE 27
20 PGMUTE
S-MASTER SOFT MUTE 28
19 SOFTMUTE
S-MASTER NSP MUTE 43
18 NSPMUTE
S-MASTER INIT 44
27 INIT
S-MASTER RST 37
S-MASTER SD 26
CLOCK SHIFT
IC703
(HX50BTR/HX80R/HX90BTR)
IC703 (HX70BTR)
CLOCK BUFFER
IC709
(HX50BTR/HX80R/HX90BTR)
IC709 (HX70BTR)
(HX50BTR/HX80R/HX90BTR)
DIGITAL POWER AMP
IC707
2 BP
17 AP
3
/SD
OUT_B 29
OVER LOAD
DETECT
Q702, 703
OVER LOAD
DETECT
Q752, 753
OUT_A 25
OUT_B 30
OUT_A 26
4
/RST
DIGITAL POWER AMP
IC708
2 BP
17 AP
3
/SD
OUT_B 29
OUT_A 25
OUT_B 30
OUT_A 26
4
/RST
(HX70BTR)
L.P.F.
L.P.F.
L.P.F.
L.P.F.
PROTECT
DETECT
Q701
R
L
+
–
+
–
SPEAKER
J860
: AUDIO
SIGNAL PATH
R-ch is omitted due to same as L-ch.
H
(Page 18)
(Page 20)
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
20
20
6-5. BLOCK DIAGRAM - PANEL/POWER SUPPLY Section -
FL901
FLUORESCENT
INDICATOR TUBE
DA
CP
CP
CS
1G, 12G
VH
Q1, Q12
GRID DRIVE
Q901, 902
VH B+
F+
VDD
VFD +7V
EVER +3.3V
D909
REMOTE CONTROL
RECEIVER
IC951
SYSTEM CONTROLLER
IC301 (5/5)
90
STBY_RELAY
20
AC_CUT
RESET SIGNAL
GENERATOR
IC401
RESET SWITCH
Q312
B+ SWITCH
Q952
69
AC DET
12
RESET
65 VOLUME JOG
KEY1 – KEY3
66 – 68
60 STBY LED
4 SIRCS
D951
STANDBY
LED DRIVE
Q951
63 BT LED
D953
BLUETOOTH
LED DRIVE
Q953
ROTARY
ENCODER
VOLUME
RV952
13
XOUT
15
XIN
X302
5MHz
11
XCOUT
10
XCIN
X301
32.768kHz
FL SD
58
FL SCLK
56
FL CS
57
FL RESET
59
74 KEY WAKE UP
S951 – 954,
S961 – 963,
S965 – 968,
S961 – 963,
S965 – 968,
S970 – 976
(AC IN)
T51
SUB POWER
TRANSFORMER
T31
MAIN POWER
TRANSFORMER
F1
LINE
FILTER
T1
RECT
D1
93
CD ON
55
FL POWER ON
D51
D14
4
POWER
CONTROL
IC51
VCC
5 DRAIN
2 FB
POWER CONTROL
IC11
1 VSENSE
2 F/B
9 OCP
16 VG (H)
ISOLATOR
PH51
FEED BACK
SWITCH
Q51
ISOLATOR
PH12
SHUNT
REGULATOR
IC71
18
VD
SWITCHING
Q12
12 VG (L)
SWITCHING
Q11
15 VS
8 VC1
Q2
RECT
D32
RECT
D31
D33
+27V
DAB +9V
DVDD
+3.3V
+1.5V
AVDD
+3.3V
+3.3V
+12V
D401
+3.3V
EVER
+3.3V
+3.3V
VCC
TUNER +9V
FUNC +9V
AMP +5V
VH B+
+5V
REGULATOR
IC505
+9V
REGULATOR
IC502
50
BT POWER
DC/DC
CONVERTER
Q906, 907
B+ SWITCH
IC901-2, Q904, 908
+3.3V
(FOR ADC )
+3.3V
REGULATOR
Q513
+1.5V
REGULATOR
IC201
DC DETECT
Q64, 82 – 84
Q64, 82 – 84
POWER ON/OFF
CONTROL SWITCH
Q81
92
USB POWER
USB
+3.3V
RESET
D474
(HX80R/HX90BTR)
(HX50BTR/HX70BTR/HX90BTR)
(HX50BTR/HX70BTR/HX90BTR)
(HX80R/HX90BTR)
(HX50BTR/HX70BTR/HX90BTR)
FOR
ROTARY ENCODER
TH1
ISOLATOR
PH11
POWER CONTROL
SWITCH
IC901-1, Q903, 905
B+ SWITCH
Q602, 606, 624
+
B+ SWITCH
Q316, 399
PROTECTOR
Q71, 72
+
HX50BTR:
CND, E51, MX, BR
(HX50BTR: E51, BR)
(HX50BTR: CND, MX)
HX50BTR: AEP, RU, SP, AR, KR/
HX70BTR/HX80R/HX90BTR
RECT
D43, 44
AC DETECT
Q60 – 63
+3.3V
REGULATOR
Q392, 706, 707
+3.3V
REGULATOR
Q393, 702 – 704
+12V
REGULATOR
Q707
BT +9V
+3.3V REGULATOR
IC702
(HX50BTR/HX80R/HX90BTR)
IC702 (HX70BTR)
+5V REGULATOR
IC507
+5V REGULATOR
IC506
91
DMPORT POWER
DMP +5V
AMP D +3.3V
+1.8V REGULATOR
IC704
(HX50BTR/HX80R/HX90BTR)
IC704 (HX70BTR)
+1.8V
+3.3V REGULATOR
IC801
+1.2V REGULATOR
IC802
75
DAB-POWER_1.2
73
DAB-POWER_3.3
DAB +3.3V
VFD +7V
DAB +1.2V
BT +3.3V
+3.3V REGULATOR
IC903
VBUS +5V
HP AMP +12V
RIPPLE FILTER
Q555
D +12V
SUHT DOWN
CONTROL SWITCH
Q426, 716
SUHT DOWN
CONTROL SWITCH
Q326, 390
SD
H
Abbreviation
: Canadian model
CND
: Chilean and Peruvian models
E51
: Russian model
RU
: Korean model
KR
: Mexican model
MX
: Singapore model
SP
S1
VOLTAGE SELECTOR
120 – 127V
220 – 240V
: Argentina model
AR
: Brazilian model
BR
(Page 19)
Ver. 1.1
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