Read Sony HCD-ECL5 Service Manual online
HCD-ECL5
HCD-ECL5
29
29
5-13. SCHEMATIC DIAGRAM - FRONT Board -
VFD_CLK
VFD_CS
VFD_DATA
IR
AC2
LR
24
AC1
VFD_CLK
VFD_CS
+5VA
VFD_DATA
+12V
-24V
+5VA
+12VA
AC2
+12V
-24V
-24V
STB_5V
+12V
VOL+
VOL-
VOL+
VOL-
KEY1
KEY2
KEY3
KEY4
K1
K2
K3
K4
KEY1
KEY2
KEY3
KEY4
K1
KEY2
KEY3
KEY4
K2
KEY1
KEY2
KEY3
K3
KEY4
KEY1
KEY2
K4
KEY1
POWER_KEY
+5VA
POWER_KEY
IR
IR
GND
VCC
GND
GND
SW1 SW2 SW3 SW4 SDout SDin GND SCLK /CS KEY1 KEY2
KEY3
KEY4
VDD
SEG1/K1
SEG2/K2
SEG3/K3
SEG4/K4
SEG5/K5
SEG6/K6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
VEE
SEG13
SEG14
SEG15
SEG16
G6
G5
G4
G3
G2
G1
VDD
LED4
LED3
LED2
LED1
GND
OSC
F1
F1
P14
P13
P12
NC(2G)
P11
P10
P9
NC(2G)
P8
3G
2G
1G
NP
F2
F2
4G 5G 6G 7G 8G NC(6G)
P6 P7
NP
NC(1G)
P5
P4
P3
P2
P1
VOL+
GND
VOL-
GND
GND
1
2
3
4
5
6
7
8
9
10
11
12
KEY PART
STB_5V
+5VA
-24V
+5VA
STB_5V
STB_5V
<Description>
<Description>
<Description>
<Description>
1
2
3
4
5
1 2 3 4 5 6 7 8 9
10 11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
<Description>
<Description>
21
<Description>
<Description>
1
2
5
6
7
8
9
10
11
12
13
27
28
29
30
31
32
26 25 24 23 22 21
15 14
3
4
16
17
18
19
20
<Description>
<Description>
<Description>
<Description>
<Description>
<Description>
21
<Description>
<Description>
<Description>
<Description>
21
<Description>
<Description>
<Description>
<Description>
<Description>
<Description>
<Description>
<Description>
<POWER ON/OFF>
<POWER ON/OFF>
1
3
2
4
5
1
2
3
4
5
6
7
8
9
10
11
12
21
<Description>
<Description>
R52
47K
47K
R52
47K
47K
R1
470
470
R1
470
470
SW8
SW8
C3
1000pF/
50V/
X
7R
C3
1000pF/
50V/
X
7R
C5
1000pF/
50V/
X
7R
C5
1000pF/
50V/
X
7R
R34
4.7K
R34
4.7K
C7
0.1uF/50V/X7R
0.1uF/50V/X7R
C7
0.1uF/50V/X7R
0.1uF/50V/X7R
R5
2.2
2.2
R5
2.2
2.2
SW11
SW11
D2
1N
4148
D
2
1N
4148
R56
47K
47K
R56
47K
47K
R3
9
9
2.2
K
R3
9
9
2.2
K
C2
3300pF/50V/X7R
3300pF/50V/X7R
C2
3300pF/50V/X7R
3300pF/50V/X7R
C15
47pF/50V/NP0
C15
47pF/50V/NP0
IR1
IRM_10mm
IR1
IRM_10mm
R49
47K
47K
R49
47K
47K
ZD1
BZX79C6V2
ZD1
BZX79C6V2
C12
47pF/50V/NP0
C12
47pF/50V/NP0
C20
47pF/50V/NP0
C20
47pF/50V/NP0
R13
10K
10K
R13
10K
10K
C6
4.7uF/16V/Y5V
C6
4.7uF/16V/Y5V
R10
4.7K
R10
4.7K
C23
47pF/50V/NP0
C23
47pF/50V/NP0
U1
DRIVER_VFD_CS6312EN
U1
DRIVER_VFD_CS6312EN
ZD2
BZX79C5V1
ZD2
BZX79C5V1
SW14
SW14
ESD4
NC/
PESD5V0S1BA/
30K/
35pF
ESD4
NC/
PESD5V0S1BA/
30K/
35pF
SW9
SW9
R3
10K
10K
R3
10K
10K
R20
0
R20
0
R32
1K
1K
R32
1K
1K
"3.3uF
CE2
"3.3uF
"3.3uF
CE2
R16
0
R16
0
C9
0.1uF/25V/Y5V
C9
0.1uF/25V/Y5V
VFD1
-
-
VFD1
-
-
R3
6
6
2.2
K
R3
6
6
2.2
K
C21
47pF/50V/NP0
C21
47pF/50V/NP0
SW1
SW1
R41
100
R41
100
R28
51K
51K
R28
51K
51K
R3
5
0
R3
5
0
R46
47K
47K
R46
47K
47K
SW6
SW6
R59
4.7K
R59
4.7K
D1
1N
4148
D
1
1N
4148
C26
47pF/50V/NP0
C26
47pF/50V/NP0
R55
47K
47K
R55
47K
47K
R57
47K
47K
R57
47K
47K
Q3
NPN_3DG3904M
Q3
NPN_3DG3904M
R43
100
R43
100
SW4
SW4
R11
10K
10K
R11
10K
10K
R40
22
R40
22
CE3
47uF/16V
47uF/16V
CE3
47uF/16V
47uF/16V
ESD2
NC/
PESD5V0S1BA/
30K/
35pF
ESD2
NC/
PESD5V0S1BA/
30K/
35pF
R50
47K
47K
R50
47K
47K
C18
47pF/50V/NP0
C18
47pF/50V/NP0
D3
1N
4148
D
3
1N
4148
R44
47K
47K
R44
47K
47K
R42
100
R42
100
R30
22
R30
22
R18
4.7K
R18
4.7K
Q4
PNP_3CG3906M
Q4
PNP_3CG3906M
R33
1K
1K
R33
1K
1K
C24
100pF/50V/NP0
C24
100pF/50V/NP0
SW15
SW15
SW13
SW13
C16
47pF/50V/NP0
C16
47pF/50V/NP0
ESD1
NC/
PESD5V0S1BA/
30K/
35pF
ESD1
NC/
PESD5V0S1BA/
30K/
35pF
R48
47K
47K
R48
47K
47K
R31
1K
1K
R31
1K
1K
R19
0
R19
0
C11
100pF/50V/NP0
C11
100pF/50V/NP0
Q1
NPN_3DG3904M
Q1
NPN_3DG3904M
R3
7
7
2.2
K
R3
7
7
2.2
K
Q5
NPN_3DG3904M
Q5
NPN_3DG3904M
R53
47K
47K
R53
47K
47K
R2
0
R2
0
C10
100pF/50V/NP0
C10
100pF/50V/NP0
C25
47pF/50V/NP0
C25
47pF/50V/NP0
SW2
SW2
C27
47pF/50V/NP0
C27
47pF/50V/NP0
D4
1N
4148
D
4
1N
4148
R58
1K
R58
1K
R47
47K
47K
R47
47K
47K
"3.3uF
CE1
"3.3uF
CE1
SW7
SW7
R9
8.2K
R9
8.2K
SW10
SW10
SW5
SW5
Q2
NPN_3DG3904M
Q2
NPN_3DG3904M
C14
47pF/50V/NP0
C14
47pF/50V/NP0
SW12
SW12
R51
47K
47K
R51
47K
47K
R7
470
R7
470
C19
47pF/50V/NP0
C19
47pF/50V/NP0
VR1
ENCODER
VR1
ENCODER
R27
1K
R27
1K
R6
5.6
R6
5.6
XS1
12PIN/2.0mm/180mm
XS1
12PIN/2.0mm/180mm
C4
1000pF/
50V/
X
7R
C4
1000pF/
50V/
X
7R
C1
0.1uF/50V/X7R
C1
0.1uF/50V/X7R
R29
100
100
R29
100
100
C17
47pF/50V/NP0
C17
47pF/50V/NP0
R12
1K
1K
R12
1K
1K
R24
0
R24
0
R54
47K
47K
R54
47K
47K
C8
4.7uF/16V/Y5V
C8
4.7uF/16V/Y5V
R26
1K
R26
1K
C22
47pF/50V/NP0
C22
47pF/50V/NP0
R8
330/1%
R8
330/1%
R15
0
R15
0
R22
1K
R22
1K
R21
1K
1K
R21
1K
1K
ESD3
NC/
PESD5V0S1BA/
30K/
35pF
ESD3
NC/
PESD5V0S1BA/
30K/
35pF
R3
8
8
2.2
K
R3
8
8
2.2
K
R4
470
470
R4
470
470
R45
47K
47K
R45
47K
47K
R14
0
R14
0
SW3
SW3
C13
47pF/50V/NP0
C13
47pF/50V/NP0
R17
0
R17
0
+ +
++
++
A
3
8
6
E
2
9
D
5
B
C
7
1
4
FRONT BOARD
F
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