Schematic Diagram -Key, Power Key, Led Section - Sony HBD-DZ940K Service Manual

5-20. SCHEMATIC DIAGRAM – KEY, POWER KEY, LED Section –
1
KEY BOARD
A
CN501
6P
1
KEY2
PANEL
2
KEY1
F
BOARD
3
D-GND
CN202
(Page 47) 4
KEY0
KEY0 5
D-GND 6
B
POWER KEY BOARD
C
CN301
2P
1
KEY0
2
GND
D
LED BOARD
CN601
2P
PANEL
2
UNSW6V
E
BOARD
1
LED_PWM
E
CN203
(Page 47)
HBD-DZ340M/DZ640M/DZ840K/DZ840M/DZ940K
2 3
R505
100
CL501
CL502
CL503
R501 R502 R503 R504
1k 2.2k 2.2k 100
CL504
FUNCTION
C301
100p /
CL301
50V
CL302
(DZ640M/DZ840K/DZ840M/DZ940K)
R601 R602
470 470
CL601
C601 C602
CL602 0.1 0.1
25V 25V
R604 R605
470 470
D601-603
(FRONT PANEL ILLUMINATION)
4
R506
1k
43 43
HBD-DZ340M/DZ640M/DZ840K/DZ840M/DZ940K