Read Panasonic KX-HDV330RU / KX-HDV330RUB Service Manual Supplement online
48
KX-HDV330 Series
12.1.5.
No.5
Change
25
26
27
EHS - primary side
PSB_IN/OUT,EHS(jabra)_TX /RX
22
23
24
EHS - secondary side
PSB_OUT/IN,UART_TX /RX
21
20
ASIC_CLK
I2C_SCLK,I2C_SDA
KX-HDV330 Main Board No.5
C
E
B
A
D
F
3
6
4
2
5
8
7
A
B
C
D
E
F
KEY_IN[0-5]
KEY_IN[0]
KEY_IN[2]
KEY_IN[3]
KEY_IN[5]
KEY_IN[4]
KEY_IN[1]
KEY_OUT[0]
KEY_OUT[1]
KEY_OUT[2]
KEY_OUT[3]
KEY_OUT[4]
5V
PC502
1
23
4
R514
NC
D503
Q523
R507
NC
3.3V
Q501
C507
18p
R536
2.2k
D501
C502
18p
D502
Q502
4.7k
10k
Q504
PC501
1
2
3
4
C510
NC
5V
Q519
4.7k
47k
DG
LED_BELL_B
KEY_OUT[0-4]
KEY_IN[0-5]
D522
B
DG
DG
SW501
12
SW502
12
SW503
12
SW504
12
SW505
12
SW506
12
SW507
12
SW508
12
SW509
12
SW510
12
SW511
12
SW512
12
SW513
12
SW514
12
SW515
12
SW516
12
SW517
12
SW518
12
SW519
12
SW520
12
SW521
12
SW522
12
SW523
12
SW524
12
SW525
12
SW526
12
PC503
1
4
6
5
3
PC504
1
4
6
5
3
PSB_OUT
ASIC_CLK
ASIC_3.3V
ASIC_RST
I2C_SDA
PSB_IN
IC501
1
INTOUT
2
RESET
14
PSBIN
15
PSBOUT
3
SDL
16
VCC
4
SDA
13
EHS_DET/GPIO3
5
CLKIN
12
UARTTX1
6
CLKOUT/GPIO2
11
UARTRX1
7
TEST
10
GPIO0/UARTTX2
8
GND
9
GPIO1/UARTRX2
EHS_DET
3.3V
I2C_SDA
ASIC_RST
DG
JABRA_URX
JABRA_UTX
I2C_SCLK
DG
ASIC_INT0
C506
0.1u
ASIC_CLK
ASIC_INT
C509
0.01u
DG
I2C_SCLK
L501
JK501
4
1
2
3
Q507
L502
D515
DG
D510
D511
D512
NC
D513
NC
D514
NC
DG
DG
DG
DG
DG
R540 680
R502
1k
R50410k
R505
150
R508
330
R509
10k
R515
330
R517
150
R523
0
R531
10k
R533
33k
R534
22
R541
22
DG
D517
( )
NC
DG
D516
( )
NC
DG
D518
( )
NC
DG
D519
( )
NC
DG
D520
( )
NC
C503
4.7u
Protect circuit recommended by Plantronics
MENU
HOME
CANCEL
HOLD
123
MESSAGE
REDIAL
456
CONF
789
*0#
SPHONE
MUTE
HEAD
R
E
F
S
N
A
R
T
+
l
o
V
-
l
o
V
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