Ir & Keypad Interface - Philips Ebony 32PFL3406/98 Service Manual

Circuit Diagrams and PWB Layouts
IR & Keypad Interface
IR & Keypad Interface
B14
5VSB
5VSB_2
FB201 FB201
1 2
120R/3000mA 120R/3000mA
C201 C201
100N 16V 100N 16V
3V3SB_2
R201 R201
10K 1/16W 5% 10K 1/16W 5%
R202 R202
ADC_KEY
100R 1/16W 5% 100R 1/16W 5%
ZD201 ZD201
C203 C203
100N 16V 100N 16V
3V3SB_2
R203 R203
NC/10K 1/16W 5% NC/10K 1/16W 5%
R204 R204
TOC_KEY
100R 1/16W 5% 100R 1/16W 5%
ZD202 ZD202
C204 C204
100N 16V 100N 16V
TPM8.2A LA 10.
3V3SB 3V3SB_2
FB202 FB202
1 2
120R/3000mA 120R/3000mA
C202 C202
100N 16V 100N 16V
H : OFF
L : ON
5V_SW
LED_RED_OFF#
KEY1
LED_WGB
3V3SB_2
R206 R206
NC/4K7 1/16W 5% NC/4K7 1/16W 5%
OIRI
IR Receiver
R207 R207 0R05 1/16W 0R05 1/16W
KEY2
KEY1
KEY2
EN 53
R220 R220 0R05 1/10W 0R05 1/10W
R221 R221 0R05 1/10W 0R05 1/10W
R224 R224 NC/0R05 1/10W NC/0R05 1/10W
C205 C205 C206 C206
ITV_IR 100N 16V 100N 16V 100N 16V 100N 16V
Q201 Q201
NC/2N7002 NC/2N7002
R208 R208 0R05 1/16W 0R05 1/16W
C207 C207
33P 50V 33P 50V
5VSB_2 3V3SB_2
LIT_SENSOR R211 R211 NC/0R05 1/16W NC/0R05 1/16W
R212 R212
10K 1/16W 10K 1/16W
2011-Jun-24
LED_RED_OFF#
LED_WGB
OIRI
ADC_KEY
TOC_KEY
LIT_SENSOR
ITV_IR
LED_RED
CN401 CN401
1
2
3
4
5
6
7 Link to IR/Keypad Bd.
8
9
10
11
12
13
CONN CONN
GND 4,5,6,7,8,9,10,11,12,13,14,15,16,18,19,20,21,22,23,24
IR & Keypad Interface
B14
LED_RED_OFF# 4
LED_WGB 4
OIRI 4
ADC_KEY 4
TOC_KEY 4
LIT_SENSOR 4
ITV_IR 7
2 2011-05-27
715G4478
19160_517_110620.eps
110620