Front Control - Philips L04HU Service Manual

Circuit Diagrams and PWB Layouts
Mono Carrier: Front Control
1 2

FRONT CONTROL

KEY_PROTN
F682
A4,A9
A
I681
1606
TS USA
F692
B
2V / div DC
2ms / div
3695
STANDBY LED
RES
6691
LED F693
A4 4692 1
F696
C
*
F691
IR
A4 4691
IR
LED_OUT
D
For Engg Purpose Only
F694 F695
4694
I687
E
LIGHT_SENSOR
A4
KEY_PROTN
A9
ITEM NO. NAFTA LATAM EU
LTL-10234WHCR LTL-10234WHCR LTL-10224WHCR
6691
(GREEN) (GREEN) (RED)
3139 123 5673.1
1 2
L04HU AA
3 4
F683
I688 I682 I683 I686
1600
1604 1602 1601
1603
F685
+6V
I691
4695
RES
3691
2 I689
* 330R
I693
6692
TSOP1836
3
VS
IR_OUT
F692
1
OUT
F699
2
GND
IR RECEIVER
for ITV only
1692
1693
1
7691 F697
2 1
BC847B
To
3 2
1693
4 3
of
5 4
6 5
*
4693 7 6
3697
TO 1259
I1
10K
F698
SP/LS MODULE
(STANDARD)
OR
TO 1692
J1
INTERFACE
MODULE
(SYSTEM)
SETS WITH LIGHT_SENSOR
AP
4693 JMP
LTL-10224WHCR
(RED)
E_14820_022.eps
100904
3 4
7. 37
Personal Notes:
1600 A4
1601 A4
1602 A4
1603 B3
1604 B3
1606 B2
1692 D4
1693 D4
2691 C4
2692 E2
3681 A4
3683 A2
3684 A2
3685 A3
A
3686 A3
3687 A4
3689 A2
3690 C4
3691 C3
3692 C2
3693 C4
3694 C3
3695 B2
3696 E2
3697 E3
B
4691 D2
4692 C2
4693 E3
4694 D1
4695 B3
6691 C3
6692 C4
6693 D2
6694 C4
7691 D3
9683 A2
F682 A2
C
F683 A4
F685 B4
F691 D2
F692 D3
F693 C2
F694 D1
F695 D2
F696 C1
F697 D4
F698 E3
F699 D3
I681 A2
D
I682 A3
I683 A3
I686 A4
I687 D2
I688 A3
I689 C4
I691 B3
I693 C3
E
E_06532_012.eps
060804