Switch Unit Schematic Diagram - Sony KDL-22BX300 Service Manual

SWITCH UNIT SCHEMATIC DIAGRAM

1 | 2 | 3
A
—
B
Keypad
—
CN1 CN1
HEAD_4P HEAD_4P
FOX_HS7204E FOX_HS7204E
C
1
SMDFIX1 SMDFIX1
2
3
4
SMDFIX2 SMDFIX2
—
C1 C1
0.1U_25V_K 0.1U_25V_K
0805_X7R 0805_X7R
D
—
E
—
F
—
G
—
H
—
I
—
KDL-22BX300/32BX300
| 4 | 5 | 6
KEY_PWR
R2 R2
KEY_ADC R3 R3 1 R4 R4
0_J 0_J
1.47K_F 0603 1.47K_F 0603
D1 D1 D2 D2 SW1 SW1 SW2 SW2
MM3Z10VC MM3Z10VC MM3Z10VC MM3Z10VC
C2 C2
0.1U_25V_K 0.1U_25V_K
0805_X7R 0805_X7R
POWER C H A N N E L -
LOW POWER ON (0.032V)
CN1
POWER CH+ CH- VOL+
| 7 | 8 | 9 |
NC_0_J NC_0_J
R8 R8
2 1 R5 R5 2 1 R6 R6 2 1 R7 R7 2 1 2
2.21K_F 0603 2.21K_F 0603 3.48K_F 0603 3.48K_F 0603 5.76K_F 0603 5.76K_F 0603 12K_F 0603 12K_F 0603
SW3 SW3 SW4 SW4 SW5 SW5 SW6 SW6
C H A N N E L + VOLUME - V O L U M E + INPUT Menu
(0.447V) (0.905V) (1.388V) (1.866V) (2.357V)
VOL- INPUT MENU
SWITCH UNIT
SU
[SWITCH UNIT]
10 | 11
THE PWB DIAGRAMS FOR THIS BOARD ARE NOT AVAILABLE.
SW7 SW7
1-487-962-11 <AZ1FK> SW-P1
KDL-22BX300/32BX300
32