Key & Open/Close Board - Circuit Diagram - Philips HTS5500/37/55 Service Manual

Panel Front Boards
Key & Open/Close Board - Circuit Diagram
1 2
Key & OPEN|CLOSE
A
1100
B
08FMN-SMT-A-TF
I100
1
I101
GND_B
2
I102
3
I103
4 VOL_A
I104
VOL_B
5
I105
+5VL
6
I106
7
I107
8
10 9
C
GND_FD
D
E
1 2
HTS5500C/37/55 6. EN 18
3 4
4100
*
5100
3100
B01
150R
15u
B01
*
B03
*
GND_B
4101
*
5101
3104
B03
390R
2u2
*
*
GND_B
1101
1
2
3
4
5
6
7
9 8
07FMN-SMT-A-TF
3 4
5 6
4478
4102
+5VL
VOL_A
10K
2478
4103
VOL_B
10K
1102
A B
EVE
C
GND_FD
3101 3102 3103
220R 270R 390R
1112
1
RT-01T-1.0B
GND_B
5 6
7 8
1111
1
RT-01T-1.0B
4 1103
2
7
1
6
3
5
TC38-103-01
1115
1
RT-01T-1.0B
GND_HP
3139 243 31714_3139 243_3168 pt3 HY wk511
8
7
1100 B1
1101 E3
1102 A6
1103 E7
1104 B4
1105 B5
1106 B5
1107 B6
1108 B7
1109 C4
1110 D5
1111 C8
1112 D5
A
1113 C4
1114 B7
1115 E7
2100 B4
2101 C4
2478 A6
3100 B4
3101 B5
3102 B6
3103 B7
3104 C4
B
4100 B3
4101 C3
4102 A5
4103 A5
4104 E6
4478 A6
5100 B3
5101 C3
5102 E6
6100 B4
6101 B3
6102 C4
C
6103 D3
I100 B2
I101 B2
I102 B2
I103 B2
I104 B2
I105 B2
I106 C2
I107 C2
D
E