Panasonic BM-ET300 / BM-ET300E Service Manual ▷ View online
VS10
OPEN
TD15
R9 10
R38
10
D24
D14
VS6
R59
150
R22
33k
C1
4.7uF
16V
4.7uF
16V
BZ1
R8
10
D19
C5
0.1uF
R25
10k
10k
R2
10
R52
22k
C7
CN5
2
GND
5V
1
3
VIDEO_OUT
4
GND
5
N.C
6
N.C
E1
1
POWER+
2
POWER–
IC2
1
IN_B
2
IN_A
3
GND
4
OUT_Y
5
VCC
R42
4.7k
4.7k
TD9
VR2
1k
1
2
3
VS5
VS18
C10
0.1uF
Q6
Q2
R33 10k
Q1
TD16
R46
47k
Q4
R48
0
D38
R17
33k
R55
0
TD4
R3
10
Q5
TD6
R12
10
D15
R37
180
R43
4.7k
VS16
D21
CN2
1
5V
2
5V_VDD
3
GND
4
GND
5
RXD
6
TXD
7
GND
8
WIIDATA0
9
WIIDATA1
10
WIILED
11
WIODATA0
12
WIODATA1
13
WIOLED
14
GND
15
ALMINT
16
ALMNG
17
ALMOK
18
OPMODE
19
RCMODE
20
RETAMP
21
TAMPIRQ
22
VOLUM+
23
VOLUM–
24
GND
25
485INRX
26
485INTX
27
485OUTTX
28
485OUTRX
29
GND
30
LIVELED
D22
TD22
D34
R36 10k
VS4
TD12
D26
R53
22k
VS14
1
2
3
TD8
C11
47uF16V
TD20
D35
TD23
VS17
R14
10
CN4
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
GND
GND
GND
6
DSR
7
RTS
8
9
CTS
RI
D25
CN8
A1
485OUTTX
B1
A2
485OUTRX
B2
A3
485INTX
B3
A4
485INRX
B4
A5
ALMINT
B5
A6
ALMOK
B6
A7
ALMNG
B7
A8
ALMPOW
B8
A9
ALMTMP
B9
A10 COMON
B10
TD7
TD5
VS8
D37
TD13
R45
1k
D27
TD2
TD11
R57
4.7k
Q7
R10
10
D28
TD10
R7
10
R62
2.2k
D30
D39
R6
22k
D23
D33
R47
510
510
R63 2.2k
R54 10
R13
10
C8
TD17
TD21
TD19
C6
1
2
3
R31 10
TD3
R40
2.7k
2.7k
CN6
CN1
1
5.5V
2
CATHODE1
3
COLLECTOR1
4
CATHODE2
5
COLLECTOR2
6
1
2
3
4
5
6
GND
5.5V
CATHODE1
COLLECTOR1
CATHODE2
COLLECTOR2
GND
R61
2.7k
VS15
R34
180
R60
150
VS13
OPEN
R56
33k
R29
CN3
1
VIDEO
2
GND
TD14
VS7
R51
22k
D29
D18
D36
R44
120
IC1
1
IN_B
2
IN_A
3
GND
4
OUT_Y
5
VCC
R35 10
R11
10
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
R27 10k
R21
33k
D32
D31
R28
180
VS12
OPEN
C9
SW1
1
2
3
4
5
6
7
8
CN7
A1
WIOLED
B1
A2
WIODATA1
B2
A3
WIODATA0
B3
A4
WIOGND
B4
A5
WIODC
B5
A6
WIILED
B6
A7
WIIDATA1
B7
A8
WIIDATA0
B8
A9
WIIGND
B9
A10 WIIDC
B10
VS11
OPEN
1
2
3
1
2
3
1
2
3
R39
33k
VS9
CN1
1
POWER+
2
N.C
3
POWER–
TD18
D20
R1
220
TD1
Q3
R58
4.7k
D40
R64
2.2k
C12
10uF
C13
0.1uF
C14
0.1uF
D41
DOOR
CONTROL
BOX
CONTROL
BOX
CARD
READER
READER
DOOR
CONTROL
BOX
CONTROL
BOX
CARD
READER
READER
VS1
1
2
3
4
VS2
1
2
3
4
5R0
5R0
5R0
5R0
5R0
5R0
5R0
5R0
5R0
TERMINAL BOARD
TAMPER
SW
BOARD
SW
BOARD
1
2
3
4
5
6
A
B
C
D
E
Important safety notice
Components Identified by " " mark
have special characteristics for safety.
When replacing any of these components,
use only manufacturer's specified parts.
have special characteristics for safety.
When replacing any of these components,
use only manufacturer's specified parts.
<INDEX>
TERMINAL
BOARD
TERMINAL
BOARD
IC1
B3/B4
IC2
B3
Q1
B4
Q2
D4
Q3
D5
Q4
D4
Q5
D2
Q6
D3
Q7
B2
D14
C3
D15
C3
D18
C3
D19
C3
D20
D3
D21
D3
D22
D3
D23
C4
D24
C4
D25
C4
D26
C4
D27
B4
D28
B6
D29
B6
D30
B6
D31
B6
D32
E6
D33
A6
D34
C2
D35
C4
D40
B4
D41
A3
TO
MAIN BOARD
. . . . . . . . .CN2
MAIN BOARD
. . . . . . . . .CN2
TO BNC
TO
POWER BOARD
. . . . . . . . CN1
POWER BOARD
. . . . . . . . CN1
POWER IN
TO
VIDEO SURVEILLANCE CAMERA
VIDEO SURVEILLANCE CAMERA
VR2
ALARM VOLUME
CONTROLLER
VR1
AUDIO VOLUME
CONTROLLER
VR1
10k
– 4-4 –
SCHEMATIC DIAGRAM OF TERMINAL BOARD / TAMPER SW BOARD
Q1
R4
39
R25
220
R3
47
R26
3.3k
R13
0.
1
C24
1mF
6.3V
D2
E2
2
1
2
1
C25
330uF
10V
C11
0.01uF
C6
3.3mF50V
C7
0.01uF
D8
C13
0.1uF
C1
0.68uF
CN2
1
2
3
3
4
5
6
7
8
7V
5.6V
3.3V
1.8V
GND
GND
GND
GND
Q4
1
2
3
4
L21
CN1
1
AC24 +12
2
3
AC24 GND
R7
220
AGND
R10
OPEN
L1
2.1uH
R12
0.
1
D7
1
2
3
D21
R6
100k
R23
10k
R5
8. 2
8. 2
C10
470pF
D3
C15
0.01uF
0.01uF
R15
39
VS2
L2
2.1uH
2.1uH
C14
220pF
D22
IC1
1
Compensation
2
Voltage_Feedback
3
Current_Sense
4
RT/CT
5
Gnd
6
OUT
7
VCC
8
Vref
R22
2.2k
T1
1
2
3
4
7
5
6
8
9
10
R14
100
L23
R8
1k
1k
C12C12
120uF120uF
16V16V
D23
R24
OPEN
F1
C29
330uF
10V
Z1
R21
47
D6
VS1
C23
1mF
6.3V
IC2
1
REF
2
A
3
K
D1
L22
C8
56uF25V
C27
680uF
6.3V
L24
R11
1.2k
C9
0.01uF
R9
10k
D5
C28
1uF
Q2
D
S
G
C21
680uF
10
V
Q3
R28
1k
C2
0.1uF
1
4
2
3
C22
1.2mF
10V
DGND
R27
1k
E1
C26
680uF
6.3V
C5
3.3mF50V
D24
D4
R2
10k
C3
0.01uF
0.01uF
C4
0.01uF
0.01uF
T1
POWER
TRANSFORMER
POWER
TRANSFORMER
POWER BOARD
1
2
3
4
5
6
A
B
C
D
Important safety notice
Components Identified by " " mark have special characteristics for safety.
When replacing any of these components, use only manufacturer's specified parts.
When replacing any of these components, use only manufacturer's specified parts.
< INDEX >
POWER BOARD
POWER BOARD
IC1
B4/C4
IC2
A5/A6
Q1
C3
Q2
C4
Q3
B3
Q4
B5
D1
D3
D2
D3
D3
D3
D4
C3
D5
C3
D6
C4
D7
C3
D8
C4
D21
D5
D22
C5
D23
C5
D24
C5
TO
TERMINAL
BOARD
. . . . . . CN1
TO
MAIN BOARD
. . . . . . . CN6
MAIN BOARD
. . . . . . . CN6
– 4-5 –
SCHEMATIC DIAGRAM OF POWER BOARD
– 5-1 –
(COMPONENT SIDE VIEW)
(PATTERN SIDE VIEW)
(COMPONENT SIDE VIEW)
(PATTERN SIDE VIEW)
INDICATOR
BOARD
BOARD
CAMERA RELAY BOARD
C21
C23
R210
R211
R212
R213
R214
IC20
IC21
4
5
8
1
IC22
1
8
9
16
IC23
IC28
4
5
8
1
IC29
C33
1
10
11
20
IC30
C38
IC33
IC34
IC35
7
8
14
1
IC36
C41
C44
C45
C47
C48
1
8
9
16
IC41
C49
8
9
16
1
IC42
R236
R237
R238
R239
C50
C51
C52
C53
R240
C54
R241
C55
R242
C56
R243
C57
R244
R245
R246
R247
R248
R249
C62
R250
R251
R254
R255
C69
R256
C70
C71
C72
C73
C74
C75
C90
C92
C93
C94
C95
C96
C97
C99
C1
D1
D2
D3
D4
D5
TD1
D6
TD2
TD3
TD4
TD5
TD6
TD9
R105
R106
R109
R110
R111
R112
L1
L5
L6
L7
L8
L9
L12
L13
L14
TD10
TD11
TD12
TD12
TD13
TD14
TD15
TD16
10
11
20
1
IC3
TD20
TD21
TD22
TD23
TD24
TD25
TD26
TD27
TD28
TD29
TD30
TD31
TD32
TD33
TD34
TD35
TD36
TD37
TD38
TD39
TD40
TD41
TD42
TD43
TD44
TD45
R1
R2
R3
R4
R5
R6
R8
TD50
R9
TD51
TD52
TD53
TD54
TD55
TD56
TD57
TD58
R45
TD59
R47
TD60
TD61
TD62
TD63
R50
TD64
R51
TD65
TD66
TD67
TD68
R55
TD69
TD70
TD71
TD73
TD74
TD75
TD76
TD77
TD78
TD79
TD100
TD101
TD102
TD103
TD80
TD104
TD81
TD105
TD82
TD85
TD86
R72
TD87
R73
TD88
R74
TD89
R75
R76
R78
TD90
TD91
TD92
TD93
TD94
TD95
TD96
TD97
R83
TD99
R89
R92
X1
R208
R209
A
A
MET300RC1D
PbF
IC25
C98
C91
IC18
C20
IC19
C22
C24
C25
C26
C27
C28
R215
C29
R216
R217
R218
R219
IC27
C30
C31
C32
R220
C34
R221
C35
R222
C36
R223
C37
R224
IC31
R225
C39
1
12
13
24
25
36
37
48
IC32
R226
R227
R228
R229
IC37
IC38
C40
1
12
13
24
25
36
37
48
IC39
C42
C43
R230
R231
R232
C46
R233
7
8
14
1
IC40
R234
R235
C63
C65
C66
R252
C67
R253
C68
C76
C77
C78
1
4
5
8
Q26
C80
C81
C82
C83
C84
C85
C86
C87
C88
C89
C6
C7
R100
R101
R102
R103
R104
R107
R108
R113
R114
R115
R116
R117
R118
R119
L2
L3
L4
L10
L11
8
7
14
1
IC4
8
7
14
1
IC5
1
4
5
8
IC6
4
5
8
1
IC7
1
8
9
IC9
R10
R11
R12
R13
R14
R15
R22
R29
Q9
R30
R7
R44
R46
R48 R49
R52
R53
R54
R56
R57
R58
R61
1
11
2
12
CN1
1
11
2
12
CN2
1
9
2
10
CN3
1
CN4
1
4
CN6
1
4
CN7
1
40
CN8
R95
R96
R97
R98
R99
R200
R201
C15
R202
C16
R203
C17
R204
C18
16
1
8
IC10
R205
C19
IC11
R206
8
7
1
14
IC12
R207
1
12
13
24
36
48
IC16
1
12
13
24
25
36
37
48
IC17
B
B
MET300RC1D
PbF
Q10
Q11
Q12
Q13
Q14
TD1
TD2
TD3
TD4
TD5
TD6
TD7
TD8
TD9
TD10
TD11
R10
R11
R12
R13
R14
R15
R16
R17
R18
R19
R20
R21
R22
R23
R24
R25
R26
R27
R28
R29
Q8
Q9
R30
PbF
MET300RD1D
D1
D2
D3
D4
D5
D6
D7
1
10
CN1
MET300RD1D
PbF
D8
D10
D12
D11
D14
D13
D9
1
2
3
4
5
A
B
C
D
E
IC3
B2
IC4
D4
IC5
D4
IC6
C3
IC7
D4
IC9
D5
IC10
C5
IC11
D5
IC12
C5
IC16
C5
IC17
C1
IC18
C4
IC19
C4
IC20
A5
IC21
A5
IC22
B3
IC23
A1
IC25
A5
IC27
C5
IC29
B2
IC30
B3
IC31
B4
IC32
C3
IC33
B3
IC34
B3
IC35
B3
IC36
A2
IC37
C3
IC38
C3
IC39
C3
IC40
C2
IC41
A5
IC42
A3/B3
Q26
D2
Q9
D2
D1
B1
D2
A1
D3
B1
D4
A5
D5
A5
D6
B5
<INDEX>
CAMERA RELAY BOARD
CAMERA RELAY BOARD
<INDEX>
INDICATOR BOARD
INDICATOR BOARD
Q8
D3
Q9
D2
Q10
E3
Q11
E2
Q12
E3
Q13
E2
Q14
E2
D1
D4
D2
E4
D3
E4
D4
E5
D5
E4
D6
D5
D7
D4
D8
E8
D9
E8
D10
E4
D11
E5
D12
E4
D13
D5
D14
D4
CONDUCTOR VIEW OF CAMERA RELAY BOARD / INDICATOR BOA
RD
– 5-2 –
E1
SW1
D34
VR1
VR2
CN1
CN1
1
1
3
CN2
CN3
1
2
CN4
CN5
1
6
CN6
16
A1
B1
B10
A10
CN7
A1
B1
B10
A10
CN8
7
3
6
9
1
2
29
30
MET300RY1C
MET300RE1D
PbF
PbF
1
2
BZ1
C1
C5
C6
C7
C8
C9
TD1
TD2
TD3
TD4
TD5
TD6
TD7
TD8
TD9
E1
SW1
D14
D15
D18
D19
D20
D21
D22
D23
D24
D25
D26
D27
D28
D29
D30
D31
D32
D33
D34
D35
D36
D37
D38
D39
D40
TD10
TD11
TD12
TD13
TD14
IC1
TD15
TD16
IC2
TD17
TD18
TD19
TD20
TD21
TD22
TD23
R10
R11
R12
R13
R14
R17
VS10
VS11
VS12
VS13
VS14
R21
VS15
R22
VS16
VS17
VS18
Q1
R25
Q2
Q3
R27
Q4
R28
R29
Q5
Q6
Q7
R31
R33
R34
R1
R35
R2
R36
R3
R37
R38
R39
R6
R7
R8
R9
R40
R42
R43
R44
R45
VR1
R46
VR2
R47
R48
R51
R52
R53
R54
R55
R56
R57
VS4
R58
VS5
R59
VS6
VS7
VS8
VS9
R60
R61
R62
R63
R64
CN1
CN2
CN3
2
1
CN4
CN5
1
6
CN6
VS1
VS2
16
A10
B10
A1
B1
CN7
A10
B10
B1
A1
CN8
C10
C11
1
3
6
9
6
3
7
2
1
30
29
MET300RY1C
1
PbF
2
1
D41
C14
C13
C12
BZ1
1
2
3
4
5
6
A
B
C
D
E
<INDEX>
TERMINAL BOARD
TERMINAL BOARD
IC1
B2
IC2
B2
Q1
B2
Q2
B2
Q3
B2
Q4
B2
Q5
A4
Q6
B1
Q7
A3
D14
B1
D15
B1
D18
B2
D19
B1
D20
A6
D21
B6
D22
B6
D23
A5
D24
B5
D25
A5
D26
A5
D27
B2
D28
A2
D29
A2
D30
A2
D31
A3
D32
B6
D33
C2
D34
A4
D35
B5
D36
B4
D37
B4
D38
B4
D39
B5
D40
C2
D41
B3
TAMPER SW
BOARD
BOARD
TERMINAL BOARD
(COMPONENT SIDE VIEW)
(COMPONENT SIDE VIEW)
(PATTERN SIDE VIEW)
CONDUCTOR VIEW OF TERMINAL BOARD / TAMPER SW BOA
RD
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