Philips PB52.1HU LA Service Manual page 63

Circuit Diagrams and PWB Layouts
SSB: SPDIF/Debug/RS232 Int.
1J10 E2 1JE3 C9 1JEC E7 1JEF E9 2J12 E2 2JE1 B8
1J11 E2 1JEA E5 1JED E8 1M15 D1 2J61 C3 2JE2 B6
1JE1 C9 1JEB E6 1JEE E9 2J11 E2 2J62 B3 2JE3 B8
1 2
SPDIF/DEBUG/RS232 INTERFACE
B06A
A
B
7J50
74HCT1G08GW
SPDIF-OUT 1
2
C
D
1M15 5
4
RXD_PC
2
TXD_PC
3
7
8
1
MSJ-035-10A B AG PPO
UART
FJ13
E
SERVICE
CONNECTOR
3139 123 6309.3
1 2
PB52.1HU LA
2JE4 B8 3J12 D3 3J53 C4 3JE2 C8 3JE5 C8
2JE5 B6 3J50 B2 3JE0 D6 3JE3 C8 6J11 E4
3J11 E3 3J51 C4 3JE1 D6 3JE4 C8 6J12 D4
3 4
+3V3
SPDIF
IJ54
IJ53
2J62
100n
IJ58 2J61 IJ56 3J51
IJ57 SPI-OUT
4
100n 220R
RXD
TXD
DV-B0_UART2-RX
6J12
2 1
+3V3-STANDBY
DV-B1_UART2-TX
BAV99 COL
FJ12 IJ12
100R 3J12
FJ11
100R 3J11
BAV99 COL
+3V3-STANDBY
2 1
6J11
3 4
7. 63
7J50 B2 FJ12 D3 FJEB C9 FJEE C9 IJ54 B3 IJ58 C3
7JE2 B7 FJ13 E1 FJEC B7 IJ12 D4 IJ56 C3 IJE1 B6
FJ11 E3 FJEA C9 FJED C9 IJ53 B2 IJ57 C4 IJE2 B7
5 6
DEBUG / RS232 INTERFACE
+3V3-STANDBY
FJEC
7JE2
ST3232C
16
Φ
2JE2 RS232
IJE1
1
C1+
100n
IJE3
3
C1-
2JE5
IJE5
4
C2+
100n
IJE6
5
C2-
IJE7
11
T1
IJE9
10 IN
T2
IJEB 13
R1
IJED 8 IN
R2
IJEF
3JE1
100R
3JE0
100R
1JEA 1JEB 1JEC
EMC HOLE EMC HOLE EMC HOLE
5 6
IJE3 B6 IJE6 C6 IJE9 C6 IJEC C7 IJEF D5
IJE4 B7 IJE7 C6 IJEA C7 IJED C6
IJE5 B6 IJE8 C7 IJEB C6 IJEE C7
7 8 9
2JE1
100n
VCC
IJE2
6 2JE3 100n
V-
2 IJE4 2JE4 100n
V+
FOR DEVELOPMENT ONLY
3JE2 FJED
IJE8
14 TXD2
T1
IJEA
OUT 7
T2 100R
FJEE
3JE3
12 IJEC RXD2
R1
OUT 9 IJEE
R2 100R
FJEA
3JE4
TXD1
15
100R
FJEB
3JE5
RXD1
100R
1JED 1JEE
EMC HOLE EMC HOLE
7 8 9
10
B06A
A
B
1JE1
1
C
2
3
5 4
1JE3
1
2
UART1
3
5 4
D
1JEF
EMC HOLE
E
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