Ssb: Keyboard, Ir/Led & Compair I/F - Philips TPM4.1E Service Manual

Circuit Diagrams and PWB Layouts
SSB: KEYBOARD, IR/LED & ComPair I/F
KEYBOARD, IR/LED & ComPair I/F
B11
1 2
IR & KEYBOARD I/F
+3V3_STBY
A
12,13 RC_IR_3V3
2N7002 2N7002
Q5401 Q5401
R5416 R5416 100R 1/16W 5% 100R 1/16W 5%
12,13 LED2STBY
R5417 R5417 100R 1/16W 5% 100R 1/16W 5%
13 LED1_ON
B
R5402 R5402 4.7 OHM +-5% 1/16W 4.7 OHM +-5% 1/16W
12,13 KEY1
R5404 R5404 4.7 OHM +-5% 1/16W 4.7 OHM +-5% 1/16W
13 KEY2
R5418 R5418 100R 1/16W 5% 100R 1/16W 5%
12,13 DC_ON_OFF
13 LIGHT_SENSOR
C
PORT for iTV Level 1
R5336 R5336 Q5303 Q5303
10K 1/16W 5% 10K 1/16W 5% BC857C BC857C
R5323 R5323
D RC_IR_5V
100R 1/16W 5% 100R 1/16W 5%
R5326 R5326 100R 1/16W 5% 100R 1/16W 5%
12 RXD1
R5327 R5327 100R 1/16W 5% 100R 1/16W 5%
12 TXD1
E
1 2
TPM4.1E LA 10.
3 4
+3V3_STBY +5V_ON
RC_IR_5V
R5414 R5414 47 OHM 1/16W 47 OHM 1/16W
R5412 R5412 R5413 R5413
47K(NC) 47K(NC) 47K(NC) 47K(NC)
PWR_ON_OFF_IN
+5V_STBY
+5V_STBY
R5330 R5330
10K 1/16W 5% 10K 1/16W 5%
TH5301 TH5301
8V 0R4 8V 0R4
t t
RC_IR_OUT
3 4
EN 50
5
ComPair I/F
+3V3_STBY +5V_STBY
12,13
4,13
4,13
12,13
CN5401 CN5401
1
2
3
4
5
6
7
8
9
10
11
12
13
CONN CONN
CN5306 CN5306
1
2
3
4
5
CONN CONN
5
2010-May-12
6 7
R5419 R5419 22R 1/16W 5% 22R 1/16W 5%
MT_TXD1
R5403 R5403 22R 1/16W 5%(NC) 22R 1/16W 5%(NC) TX0
U0TX
R5405 R5405 22R 1/16W 5%(NC) 22R 1/16W 5%(NC) RX0
U0RX
R5406 R5406 22R 1/16W 5% 22R 1/16W 5%
MT_RXD1
CN5306 D4
CN5402 A8
C5401 C3
C5403 C4
C5405 C3
C5407 C4
C5409 C4
FB5401 A4
Q5303 D2
R5323 D2
R5327 D2
R5336 D2
R5403 A7
R5405 A7
R5412 B4
R5414 A3
R5417 B2
R5419 A7
ZD5301 D3
ZD5303 D3
ZD5401 C2
ZD5403 B7
6 7
Key, IR/LED & ComPair I/F
B11
8
A
CN5402 CN5402
1
2
3
CONN CONN
B
CN5401 B5
C5333 D2
C5402 C3
C5404 C3
C5406 C4
C5408 C4
C
C5410 C4
FB5402 A5
Q5401 A2
R5326 D2
R5330 D2
R5402 B2
R5404 B2
R5406 A7
D
R5413 B4
R5416 B2
R5418 B2
TH5301 D3
ZD5302 D3
ZD5304 D3
ZD5402 C3
ZD5404 B7
E
8
C 2010-01-14
715G3786
18870_511_100203.eps
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