Read Panasonic KX-HDV230RU / KX-HDV230RUB Service Manual Supplement online
14
KX-HDV230 Series
4.2.8.
LED Circuit
1. Ringer, Self-Label LED Circuit
The lighting of the LEDs is controlled by IC101.
All LEDs are static lighting system.
All LEDs are static lighting system.
2. Back Light LED Circuit
HDV230 have two back lights.
Main LCD Back Light : Single white color LED
Self-Label LCD Back Light : Four white color LEDs
Main LCD Back Light : Single white color LED
Self-Label LCD Back Light : Four white color LEDs
The LED brightness is controlled dynamically by a PWM signal.
IC101
C1
Self-Label
BOARD
Main
BOARD
BOARD
CN601
CN501
LED_RED_CO[12]
LED_RED_CO[11]
LED_RED_CO[10]
LED_RED_CO[9]
LED_RED_CO[8]
LED_RED_CO[7]
LED_RED_CO[6]
LED_RED_CO[5]
LED_RED_CO[4]
LED_RED_CO[3]
LED_RED_CO[2]
LED_RED_CO[1]
LED_BLUE_CO[12]
LED_BLUE_CO[11]
LED_BLUE_CO[10]
LED_BLUE_CO[9]
LED_BLUE_CO[8]
LED_BLUE_CO[7]
LED_BLUE_CO[6]
LED_BLUE_CO[5]
LED_BLUE_CO[4]
LED_BLUE_CO[3]
LED_BLUE_CO[2]
LED_BLUE_CO[1]
DG
D603
B
D605
B
D614
D607
B
D617
D609
B
Q601
4.7k
47k
D620
D611
B
D623
Q605
4.7k
47k
Q607
4.7k
47k
Q609
4.7k
47k
5V
Q611
4.7k
47k
Q603
4.7k
47k
D615
D618
D602
B
D621
D604
B
D624
D606
B
D608
B
D610
B
D612
B
Q604
4.7k
47k
D613
Q606
4.7k
47k
D616
Q608
4.7k
47k
D601
B
D619
Q610
4.7k
47k
Q602
4.7k
47k
D622
Q612
4.7k
47k
3.3V
R613
R614
R615
R616
R617
R618
R619
R620
R621
R622
R623
R624
R601
R602
R603
R604
R605
R606
R607
R608
R609
R610
R611
R612
DG
RING_A_M
Q519
4.7k
47k
D522
B
5V
RING_K_M
L414
RING_K
RING_A
R540
680
LED_RED_CO
LED_BLUE_CO
Ringer PCB
IC101
5V
DG
D420
5V
C496
L413
DG
DG
L412
C497
DG
M
_
A
_
D
C
L
S
M
_
A
_
D
C
L
M
M
_
K
_
D
C
L
M
SLCD_K_M
MLCD_K
MLCD_A
Q402
R441
R442
C511
Q403
R443
R444
C512
R440
Main Back Light
U13
V13
D627
D626
SLCD_A
SLCD_K
D625
D628
R625
R626
R627
R628
Self-Label Back Light
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