Part - Philips AZ5740 Service Manual

CIRCUIT DIAGRAM - MAIN BOARD

PART 1

AVCC12
R123 R123
10K 10K
VREF3
BC50 BC50
EC26 EC26 R124 R124
10K 10K
100uF/16V 100uF/16V 0.1uF 0.1uF
AGND
V+5V
R15 R15
75 75
R14 R14
C30 C30 10pF 10pF
NC/0 NC/0
L20 L20 1uH 1uH
EC28 EC28
C32 C32
CVB1 Q6 Q6
3
A733(DIP) A733(DIP)
100pF 100pF
220uF/16V 220uF/16V
VGND
5 - 1
AFR
AFR 1
AFL
AFL 1
DA_L
DA_L 2
DA_R
DA_R 2
DA_R R6 R6
DA_L R18 R18
VGND
V+5V
EC? EC?
47u 16V 47u 16V
VVCC3
D6 D6
R65 R65 82 82
BAV99 BAV99
R69 R69 1K 1K
VGND
CVB1_O
CVB1_O
C33 C33
CVB1_O
100pF 100pF CVB1
TV_DAC0
VGND
V_FSADJ
V_FSADJ
V_COMP
V_COMP
EC2 EC2
180 180 R9 R9 100 100
C2 C2 10uF/16V 10uF/16V
470 470
200pF 200pF R12 R12
AGND
AGND
D8 D8
1N4148 1N4148
2
MUTE
EC4 EC4
180 180 R21 R21 100 100
C6 C6 10uF/16V 10uF/16V
R24 R24 470 470
200pF 200pF
AGND
AGND
V_COMP
CVB1
V_FSADJ
1
2
2
2
5 - 1
P+12V
P+5V
R126 R126
2.2K 2.2K
R125 R125 7.5K 7.5K
R2 R2
EC1 EC1 220u/16V 220u/16V
AGND
R4 R4
P+5V
DVCC3
AFR
R10 R10
C4 C4
3.3K 3.3K
Q4 Q4
2N3904 2N3904 47pF 47pF
R13 R13 10K 10K
2 AUDIO_MUTE
AGND
AFL
AVCC12
C8 C8
Q5 Q5
2N3904 2N3904 47pF 47pF
BC1 BC1
0.1uF 0.1uF
AGND
AGND
Q1 Q1
1 3 Power On Mute
2N3906 2N3906
10K 10K
Q2 Q2
1 3 Power Off Mute
2N3906 2N3906
10K 10K
Q3 Q3
1 3
2N3906 2N3906