Schematic Diagram -Key, Power Key, Led Section - Sony HBD-DZ340K Service Manual

5-20. SCHEMATIC DIAGRAM – KEY, POWER KEY, LED Section –
1
KEY BOARD
A
CN501
6P
CL501
KEY2 1
CL502
PANEL
F KEY1 2
CL503
BOARD
D-GND
3
CN202
CL504
(Page 47)
KEY0
4
KEY0
5
D-GND
6
B
POWER KEY BOARD
C
CN301
2P
CL301
KEY0
1
CL302
GND 2
D
LED BOARD
CN601
2P
CL601
PANEL
E UNSW6V
2
CL602
BOARD
E LED_PWM 1
CN203
(Page 47)
F
HBD-DZ340/DZ340K/DZ640K/DZ740
2 3
R505
100
R501 R502 R503 R504
1k 2.2k 2.2k 100
FUNCTION
C301
/
100p
50V
(DZ340K/DZ640K/DZ740)
R601 R602
470 470
C601 C602
0. 1 0. 1
25V 25V
R604 R605
470 470
D601,602
(FRONT PANEL ILLUMINATION)
4 5
R506
1k
43 43
HBD-DZ340/DZ340K/DZ640K/DZ740