Read Sony HCD-ECL77BT / HCD-ECL99BT Service Manual online
HCD-ECL77BT/ECL99BT
HCD-ECL77BT/ECL99BT
33
33
5-15. SCHEMATIC DIAGRAM - USB Board -
A
3
8
6
2
5
7
1
4
USB BOARD
GND
SIN
SGND
GND
GND
DET
GND
GND
GND
1
2
3
GND
D+
D-
VCC
Shell B
Shell A
1
2
3
4
USB
AUDIO IN
close to XP1
21
1
2
3
4
5
6
7
8
9
21
1
2
3
1
2
3
4
65
1
2
3
4
ESD4
NC/
PESD5V0S1BA_5.
0V
ESD4
NC/
PESD5V0S1BA_5.
0V
FB2
500/200mA
FB2
500/200mA
R2
100
R2
100
C2
1uF/25V/Y5V
C2
1uF/25V/Y5V
P2
9PIN/H-CKX-3.5-12
P2
9PIN/H-CKX-3.5-12
C4
100pF/
50V/
N
P0
C4
100pF/
50V/
N
P0
FB4
500/200mA
FB4
500/200mA
C1
0.1uF/50V/Y5V
C1
0.1uF/50V/Y5V
R4
47K
R4
47K
C3
100pF/
50V/
N
P0
C3
100pF/
50V/
N
P0
FB5
500/200mA
FB5
500/200mA
R1
100
R1
100
R3
47K
R3
47K
ESD3
NC/
PESD5V0S1BA_5.
0V
ESD3
NC/
PESD5V0S1BA_5.
0V
C5
NC
C5
NC
XS2
3PIN/2.0mm/200mm
XS2
3PIN/2.0mm/200mm
ESD1
M
LSEP24B-
0603
ESD1
M
LSEP24B-
0603
P1
4PIN/2mm
P1
4PIN/2mm
C6
NC
C6
NC
XS1
4PIN/2.0mm/140mm
XS1
4PIN/2.0mm/140mm
FB1
500/200mA
FB1
500/200mA
ESD2
M
LSEP24B-
0603
ESD2
M
LSEP24B-
0603
DN
DP
AUX_L
AUX_R
IN_L
IN_R
AUX_L
AUX_R
GND_AUX
DN
DP
VCC
S
S
S
S
E
D
B
C
G
F
USB BOARD
NOT INSERT: GND
INSERT: VOLTAGE PULL UP
MIC_DET:
DN
DP
AUX_L
AUX_R
IN_L
IN_R
MIC
AUX_L
AUX_R
MIC_DET
REFM
12VA
REFM
MIC_OUT
MIC
12VA
12VA
GND_AUX
GND
MIC_DET
MIC_OUT
GND_MIC
GND
DN
DP
USB_GND
S
S
S
S
USB
AUDIO IN
MIC IN
COMPATIBLE
MIC_OP
close to CONS4-L
V_12V
V_12V
1
2
3
4
21
3
2
1
84
1
2
3
4
5
6
7
8
9
5
6
7
8
4
1
2
3
4
65
1
2
3
4
5
6
7
8
21
1
2
3
21
1
2
3
4
R5
100
R5
100
J1
RCA/2h
J1
RCA/2h
FB3
500/200mA
FB3
500/200mA
ESD4
PESD5V0S1BA_5.
0V
ESD4
PESD5V0S1BA_5.
0V
C5
3300pF/
50V/
X7R
C5
3300pF/
50V/
X7R
C145
47pF/50V/NP0
C145
47pF/50V/NP0
C142
2.2uF/16V/X5R
C142
2.2uF/16V/X5R
FB2
500/200mA
FB2
500/200mA
R12
47K
R12
47K
R2
100
R2
100
C143
0.1uF/50V/Y5V
C143
0.1uF/50V/Y5V
R7
2.2K
R7
2.2K
C2
1uF/25V/Y5V
C2
1uF/25V/Y5V
C138
0.1uF/50V/Y5V
C138
0.1uF/50V/Y5V
FB6
500/200mA
FB6
500/200mA
C139
47pF/50V/NP0
C139
47pF/50V/NP0
R14
100K
R14
100K
C4
100pF/
50V/
N
P0
C4
100pF/
50V/
N
P0
FB4
500/200mA
FB4
500/200mA
C1
0.1uF/50V/Y5V
C1
0.1uF/50V/Y5V
R4
47K
R4
47K
C3
100pF/
50V/
N
P0
C3
100pF/
50V/
N
P0
47uF/16V
CE20
47uF/16V
CE20
R6
10K
R6
10K
R16
680
R16
680
U18A
F4558
U18A
F4558
P3
9PIN/H-CKX-3.5-12
P3
9PIN/H-CKX-3.5-12
U18B
F4558
U18B
F4558
C6
NC
C6
NC
FB5
500/200mA
FB5
500/200mA
R17
100
R17
100
R11
5.6K
R11
5.6K
P1
4PIN/2mm
P1
4PIN/2mm
ESD2
M
LSEP24B-
0603
ESD2
M
LSEP24B-
0603
XS3
8PIN/2.0mm/200mm
XS3
8PIN/2.0mm/200mm
R1
100
R1
100
C146
2.2uF/16V/X5R
2.2uF/16V/X5R
C146
2.2uF/16V/X5R
2.2uF/16V/X5R
R3
47K
R3
47K
C7
NC
C7
NC
C140
2.2uF/16V/X5R
C140
2.2uF/16V/X5R
ESD3
PESD5V0S1BA_5.
0V
ESD3
PESD5V0S1BA_5.
0V
R9
22K
R9
22K
XS2
3PIN/2.0mm/200mm
XS2
3PIN/2.0mm/200mm
ESD5
PESD5V0S1BA_5.
0V
ESD5
PESD5V0S1BA_5.
0V
XS1
4PIN/2.0mm/140mm
XS1
4PIN/2.0mm/140mm
ESD1
M
LSEP24B-
0603
ESD1
M
LSEP24B-
0603
R8
22K
R8
22K
R13
1K
R13
1K
47uF/16V
CE19
47uF/16V
CE19
FB1
500/200mA
FB1
500/200mA
R10
100K
R10
100K
C141 2.2uF/16V/X5R
C141 2.2uF/16V/X5R
R15
20K
R15
20K
C144
100pF/50V/NP0
C144
100pF/50V/NP0
GND
SIN
SGND
GND
GND
DET
GND
GND
GND
GND
D+
D-
VCC
Shell B
Shell A
1
2
3
4
5
6
7
8
1
2
3
1
2
3
4
++
+
-
+
-
+
-
+
-
++
9
ECL77BT: AEP, UK/
ECL99BT: US, CND, UK
ECL77BT: E2, E4, E51, E93, MX, BR, AR/
ECL99BT: E2, E4, E51, E93, MX, AR, RU
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