Sony HCD-BX7DAB Service Manual ▷ View online
HCD-BX7DAB
25
25
HCD-BX7DAB
6-8. SCHEMATIC DIAGRAM – USB Board –
•
See page 42 for Waveforms.
•
See page 42 for IC Block Diagrams.
•
See page 45 for IC Pin Function Description.
R970
R971
R972
R973
R974
R975
R976
R977
R979
R978
R932
R982
R984
RB922
RB921
RB923
RB924
C907
C906
C921
R901
C901
R937
R983
C902
JR902
C903
C922
R907
R906
R905
R904
R903
R902
R917
R915
R913
C908
R919
C909
R916
C910
C912
R944
R943
R942
R941
C905
C904
R933
R934
R938
C915
C913
C914
R981
R922
R924
R923
R921
IC921
CN904
R926
R925
C920
IC915
C916
R920
CN905
CN902
EP901
CN908
FB902
FB901
C930
D905
D902
C918
C917
R946
R948
IC901
R928
D901
X901
R949
100
100
100
100
100
100
100
100
100
100
100
100
100
47
47
47
47
0.1
0.1
0.1
10k
0.1
100
100
10
16V
0
10
16V
0.1
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
0
10k
100k
0.1
100
22p
0
22p
10p
100k
100k
100k
100k
0.1
10
16V
0
10k
100
0.1
0.1
0.1
100
100k
27
27
100k
IS61LV6416-10T
7P
15k
15k
0.1
R5523N001BTR-F
0.1
10k
19P
4P
2P
0
4.7k
4.7k
0
9MHz
4.7k
A
1
3
A
1
4
A
1
5
D
0
D
1
D
2
D
3
D
4
D
5
D
6
D
7
R
D
W
R
L
B
U
B
S
R
A
M
-C
S
A8
A9
A10
D7
D4
D5
D6
WR
D0
D1
D2
D3
SRAM-CS
A11
A12
A13
A14
A15
LB
UB
RD
A7
A8
A9
A10
A11
A12
A4
A5
A6
D12
D13
D14
D15
A4
A5
A6
D8
D9
D10
D11
D12
D13
D14
D15
B
U
S
0
B
U
S
1
B
U
S
2
B
U
S
3
B
U
C
K
C
C
E
USB-SI
USB-SO
DO
U
S
B
-R
S
T
L
R
C
K
BCK
REQ
ST-REQ
A-IN
GATE
LRCK
CCE
BUCK
BUS3
BUS2
BUS1
BUS0
DO
DI
USB-SO
USB-SI
BCK
A-IN
GATE
REQ
ST-REQ
USB-RST
D
I
A7
A16
A
1
6
A1
A2
A3
A1
A2
A3
D11
D10
D9
D8
BOOT
AMO
TXD1
RXD1
R
E
S
E
T
BOOT
AM0
TXD1
RXD1
RESET
EN
FLG
EN
FLG
MC2837
MC2837
10
220
6.3V
TMP92CD28FG-2CB2
MC2837
D+
D-
AM0
DVSS
DVSS
R
V
OU
T1
R
VIN
R
V
IN
R
VO
U
T2
DVSS
DVSS
D
V
SS
AM
1
X2
D
VSS
X
1
VBUS-5V
DVDD3.3V
DVSS
LRCK
CCE
BUCK
BUS3
BUS2
BUS1
BUS0
USB-RST
ST-REQ
REQ
GATE
A-IN
BCK
VBUS-GND
BOOT
RESET
RXD1
TXD1
DVSS
VCC
AM0
DI(CTS)
DO(RTS)
USB-SI(RXD)
USB-SO(TXD)
NC
A6
A5
A4
A3
NC
I/O8
I/O10
I/O11
VDD
GND
I/O12
I/O13
I/O14
I/O15
A2
A1
A0
I/O9
NC
A7
A8
A9
A10
I/O7
I/O6
I/O5
I/O4
GND
VDD
I/O3
I/O2
I/O1
I/O0
A11
A12
A13
A14
A15
WE
CE
LB
UB
OE
A
13
GND
D+
D-
VBUS
(CHASSIS)
EN
GND
OUT
IN
FLG
(USB)
(NC)
S-RAM
VBUS POWER ON/OFF SWITCH
A12
A11
A10
A9
A8
DVCC
A7
A6
A5
A4
A3
A2
A1
A0
D15
D14
D13
D12
D11
D10
D9
D8
DVCC
D
7
D
6
D
5
D
4
D3
S2
D1
D0
D
V
SS
D
V
CC
D
VCC
D
VS
S
N
O
U
SE
N
O U
SE
NO
US
E
DVCC
G
-3
N
O U
SE
NO
USE
D
I
G-2
G-1
ST-REQ
REQ
DVCC
GATE
DATA
BCK
SCL
SDA
NO USE
RXD1
TXD1
CLOCK
DATA
DO
NO USE
USBPON
USBOC
DVCC
BOO
T
N
O
U
SE
SRLU
B
SRL
LB
R
D
W
R
CS2
D
VC
C
N
O
US
E
/C
CE
/B
U
CK
B
U
S3
BU
S2
B
U
S1
B
U
S0
A
16
A
15
A
14
USB CONTROLLER
LR
CK
/R
ESET
0
(Page 30)
(Page 28)
HCD-BX7DAB
26
26
HCD-BX7DAB
6-9. PRINTED WIRING BOARD – DAB Board –
: Uses unleaded solder.
•
See page 21 for Circuit Boards Location.
(Page 29)
C805
JW836
C817
C818
JW814
JW822
JW810
JW815
JW835
JW833
JW811
CLP800
C823
JW834
JW831
CN801
JW838
JW830
JW813
JW812
FB801
JW820
JW819
JW817
JW816
C822
JW823
JW818
CN800
JW832
JW827
D807
D801
JW828
JW824
JW826
JW825
R823
R824
R827
R825
R826
R812
R814
R810
R808
R806
C812
R804
C816
C814
C825
IC803
C815
C813
R811
R813
R809
R807
R805
C811
R803
C820
R832
JR803
JR802
C828
C804
R802
C803
IC801
R829
C821
C807
L802
R800
R801
C802
JR801
L803
L804
C829
R830
IC802
C806
R838
EP801
(CHASSIS)
F
MAIN BOARD
CN307
DAB BOARD
1-874-284-
11
(11)
1
3
4
5
1
5
DAB TUNER
MODULE
ANTENNA
DAB 75
DAB 75
Ω
A
B
C
D
E
1
2
3
4
5
6
7
HCD-BX7DAB
27
27
HCD-BX7DAB
6-10. SCHEMATIC DIAGRAM – DAB Board –
(Page 33)
•
See page 42 for IC Block Diagrams.
R803
C811
R827
R825
R801
C803
C804
R800
R802
C802
C806
C812
R810
R814
R811
R826
C817
CN800
C823
C820
C829
C822
C821
C828
R804
R812
R832
C818
C816
C814
R830
C805
R824
R823
C815
R813
R809
C813
C825
C807
IC802
IC803
D807
D801
R829
L802
FB801
1.1
1.1
µ
H
IC801
L803
L804
CN801
JR803
JR802
JR801
R805
R807
R806
R808
1k
470p
100k
4.7k
10k
0.22
1
10k
4.7k
1
0.01
470p
4.7k
10k
4.7k
4.7k
1
50V
44P
4700
6.3V
6.3V
0.1
0.1
220
10V
10V
0.1
1
1k
4.7k
100
1
50V
470p
100p
100
100
16V
16V
100k
100k
470p
10k
4.7k
100p
0.1
0.1
MM1615ANLE
NJM4558M-TE2
1N4002-B5
1N4002-B5
0
BD33KA5WFP
9P
0
0
0
4.7k
10k
4.7k
10k
DAB+5V_ON
DAB-GND
DAB-L
DAB-R
A-GND
DAB-S1DI
DAB-S1DO
IN
GND
OUT
CONT
CN
IN
GND
OUT
CONT
GND
VDD
5V
AUDIO_LEFT_OUT
AUDIO_RIGHT_OUT
GND
USB_DP
GND
GND
S1_DIN
3.3V
3.3V
AUD_SFR
AUD_SCLK
LCD_DAT_0
LCD_DAT_2
LCD_DAT_4
LCD_DAT_6
LCD_F
LCD_M
SPDIF_IN
SCP_CLK
PDM_OUT
AUD_SDOUT2
5V
AUDIO_GND
GND
USB_DM
GND
SPDIF_OUT
GND
S1_DOUT
3.3V
GND
AUDIO_SDOUT0
AUD_MCLK
LCD_DAT_1
LCD_DAT_3
LCD_DAT_5
LCD_DAT_7
LCD_LRS
LCD_PE
RDI_OUT
SCP_DAT
AUD_SDOUT1
AUD_SDIN
+5V REGULATOR
+3.3V REGULATOR
LINE AMP
NC
ANTENNA
DAB 75
Ω
DAB TUNER
MODULE
DAB7V
DAB+3.3V_ON
0
R838
EP801
(CHASSIS)
HCD-BX7DAB
28
28
HCD-BX7DAB
6-11. PRINTED WIRING BOARDS – REGULATOR Section –
: Uses unleaded solder.
•
See page 21 for Circuit Boards Location.
6-12. SCHEMATIC DIAGRAM – REGULATOR Section –
CN315
CN324
CN314
IC305
IC306
C325
D305
C335
C380
C373
R437
R424
1-873-146-
5V REGULATOR BOARD
M
MAIN BOARD
CN312
L
MAIN BOARD
CN312
REGULATOR BOARD
1-873-951-
13
(13)
D
USB BOARD
CN908
3
1
3
1
3
1
3
1
2
1
A
B
1
2
3
13
(13)
C335
CN314
IC305
C380
C373
CN315
R424
D305
CN324
IC306
R437
C325
0.1
100
16V
16V
3P
1
0.1
2P
470
1N4002
3P
KIA7805
10
VBUS-5V
VBUS-GND
G
G
I
I
O
O
+9V REGULATOR
IC305_O
IC305_G
IC305_I
IC306_O
IC306_G
IC306_I
+5.4V REGULATOR
KIA7809
(Page 24)
(Page 29)
(Page 29)
(Page 32)
(Page 32)
(Page 25)
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