E 27221719029X Ir/Led/Key Board - Philips Q552.2E Service Manual

Circuit Diagrams and PWB Layouts

10-28 E 27221719029x IR/LED/Key Board

Leading Edge Module
Leading Edge Module
E
R16
CPS6
3.9 Ω
+3.3V VDD
L1
100uH
C1
C4
10uF
104
KEY2 SCL
ZD5
5.6V
TV CONNECTOR
JP1
SDA
1
2
KEY2 SCL
3
4 +5V
5 +3.3V
IR
6
KEYBOARD
7
8
LED2
9
LED1
10
LIGHT
11
12
13
HEADER 13
White LED
WHITE
R12
LED1 2
B
10 Ω
R13
10 Ω
Q552.2E LA 10.
U1 PIC16F1827
IN0 19
RA0/AN0/CPS0/C12IN0-
IN6 20
RA1/AN1/CPS1/C12IN1-
IN1 1
RA2/AN2/VREF-/DACOUT/CPS2/C12IN2-/C12IN+
IN2 2
RA3/AN3/CPS3/C12IN3-/C1IN+/Vref+/C1OUT/CCP3(2)/SRQ
IN3 3
RA4/AN4/CPS4/C2OUT/T0CKI/CCP4(2)/SRNQ
MCLR 4
R2 RA5/M CLR/VPP/SS1
17
103 RA6/OSC2/CLKOUT/CLKR/P1D(1)/SDO1(1)
18
RA7/OSC1/CLKIN/P1C(1)
R29
5
VSS
1K
6
VSS
C16 C17
105 105
VDD
R30
1K
IR
C14 10Ω
R17
IR
101
C15
101
+3.3V
R18
100R
ZD4 C10
ESD
5.6V 10uF/6.3V
+3.3V
+5V
R15
47Ω/15Ω
R10
Red LED
4.7 Ω / 100Ω
D1
RED
D2
Q3
Q2
R14
LED2 B
BC847 B
10 Ω
ZD3
5.6V
BC857
EN 185
RB0/SRI/T1G/CCP1(1)/P1A(1)/INT/FLT0
RB1/AN11/CP S11/RX(1)/DT(1)/SDA1/SDI1
RB2/AN10/CP S10/M DMIN/TX(1)/CK(1)/RX(1)/DT(1)/SDO(1)
RB3/AN9/CPS9/MDOUT/CCP1(1)/P1A(1)/Vcap
RB4/AN8/CPS8/SCL1/SCK1/MDCIN2
RB5/AN7/CPS7/P1B/TX(1)/CK(1)/SS1(1)
RB6/AN5/CPS5/T1OSI/T1CKI/PGC/P1C(1)
RB7/AN6/CPS6/T1OSO/PGD/P1D(1)/MDCIN1
VDD
L2
R11 100R
100uH
C7
C8 105 C6
104
10uF/6.3V
BUZZER
U2
3
R9
OUT BUZZER
1K
2 BC847
VDD
4
GND
1
GND
TSOP75236
+5V
LIGHT Sensor
TEMT6200
G1 5 U3B
7
6
LM358
Q4
B
B
R19 R20
R21
BC847
100 Ω
R28
10 Ω
C11 104
back to
2011-Jun-01
div. table
R1
7 PWM 1 KEYBOARD
8 SDA
1K C2 C3
9 IN4
105 105
10 IN5
ZD2
R27
11 PWM 2-SCL
VDD 5.6V
12 BUZZER
1K
13 ICSPCLK
14 ICSPDAT
16 VDD
VDD
15
VDD
C5
104
CAP
touchsence
R3
IN5 CPS5
3.9K
BZ1
R4
IN4 CPS4
T1
test VDD
3.9K
BUZZER
R5
T2
IN3 CPS3
Q1
3.9K
T3
R6
ICSPCLK IN2 CPS2
3.9K
T4
ICSPDAT
R7
IN1 CPS1
T5
3.9K
MCLR
R8
IN0 CPS0
3.9K
+5V
U3A
R22
3
LIGHT
R26
1
470Ω
2
100R
LM358
ZD1
3.3V
C12 R23 R24
104
R25
100 Ω
C13 104
Leading Edge Module
E
J1
1
J2
1
J3
1
J4
1
J5
1
J6
1
7 2010-08-27
2722 171 9029
19101_059_110505.eps
110505