Philco PH-919 Service Manual page 48

6.AV PORT
1
C10
R10
MIC LIN
10K
10UF
C11
DAC-ML R12
10K
10UF
R13 R14
267K 10K
D
AGND
C20
MIC RIN R20
10K
10UF
C21
R22
DAC-MR
10K
10UF
R23 R24
267K 10K
AGND
C31
C
DAC-SL R32
10K
10UF
R33
267K R34
10K
AGND
C41
DAC-SR R42
10K
10UF
R43 R44
267K 10K
AGND
B
C51
DAC-CENT R52
10K
10UF
R53 R54
267K 10K
AGND
C61
DAC-LEF R62
10K
10UF
R63 R64
267K 10K
A
AGND
1
46 46
2
R11
20K
-12V
C13
220P
R15
U10 C14
L10
R16 ML
5.1K
100
FB
UJM4558
10UF
C12
2000P
+12V Q10 C15
3904 22P
A-MUTE R17 1K
AGND
AGND
R21
20K
R28 R29
-12V
C23
220P
R25
U10 C24
R26 L20 MR
5.1K
100
FB
10UF
C22 C25
UJM4558
2000P 22P
Q20
+12V
3904
A-MUTE R27
1K
AGND
AGND
R31
20K
-12V
C33
220P
R35 U20
C34
R36 L30 SL
5.1K
100
FB
UJM4558
10UF
C32
2000P
C35
+12V Q30
3904 22P
A-MUTE R37
1K
AGND
AGND
AGND
R41
20K
-12V
C43
220P
R45
U20 C44
R46 L40 SR
5.1K
100
FB
10UF
C42
UJM4558
2000P
+12V Q40 C45
3904 22P
A-MUTE
R47
1K
AGND AGND
AGND
R51
20K
-12V
C53
220P
R55
U30 C54
L50 C
R56
5.1K
100
FB
10UF
C52 C55
UJM4558
2000P 22P
+12V Q50
3904
A-MUTE
R57
1K
AGND AGND
AGND
R61
20K
C63 -12V
220P
R65
U30 C64
L60 W
R66
5.1K
100
FB
UJM4558
10UF
C62 +12V C65
2000P 22P
Q60
3904
A-MUTE R67
1K
AGND
AGND
AGND
2
3 4
C101
10P
L1
T-CVBS
1.8UH/DIP
R102
C100 C102 NC
220P 100P
VGND VGND
C201
10P
L2
1.8UH/DIP
C200 C202
220P 100P
VGND VGND
C301
10P
L3
T-SY
1.8UH/DIP
C300 C302
220P 100P
VGND VGND
C401
10P
L4
T-SC
1.8UH/DIP
C400 C402
220P 100P
VGND VGND
C501
10P
L5
T-R/V
1.8UH/DIP
C500 C502
220P 100P
VGND VGND
C601
10P
L6
T-G/Y
1.8UH/DIP
C600 C602
220P 100P
VGND VGND
C701
10P
L7
T-B/U
1.8UH/DIP
C700 C702
220P 100P
VGND VGND
3 4
5
+12V
R70
ASPECT
CVBS-TV
680
R71
1K
C103
22P
Q70
3904
VGND
R72
SCART-TV-SEL
2.2K
R73 VGND
33
CVBS-ST +12V Q71 3906
RGB/CVBS#
C70
C203 0.1UF
R74
22P SCART-V-SEL
VGND
2.2K
VGND
+5V +12V
R75 R76
10K 0
D101
5819
SY
C71
D100
R77 470UF Q72
22K 5819 3906
C303
22P
R78
1K
VGND
C72
220UF
SC AGND
C403 D202
22P
4148
VGND R83 R84
100K 100K
AGND
R/V C74
ASPDIF R85
100
0.1UF C75
22P
C503 R86 C73
100 AGND
22P 330P
3
2
1
VGND
AGND
R87
+5V AGND
33
C76 1
22P
C78 2
C77
0.1UF 10UF 3
G/Y AGND
AGND
C603
22P
CN7
DAC-ML
1 CN8
1
DAC-MR T-CVBS
11
2
VGND T-SY
3 10
DAC-SL T-SC
9
4
DAC-SR
5 8
T-R/Y
6 7
DAC-CENT T-G/Y
6
7
DAC-LFE T-B/U
8 5
4
9
MICMUTE SCART-TV-SEL
10 3
MUTE SCART-V-SEL
11 2
FS1
12 1
B/U ASPDIF +5V
13
TO DECODER
14
14
VGND
TO DECORD
C703 AGND
22P CN4 10E
R90
4 +12V MR
4
AGND
10E
3 R90
R MIC RIN
2
VGND L MIC LIN
1 R89
1
10E
TO POWER ML
R91
10E
5
6
L70
+P12V +12V
FB
C79 C80
0.1UF 220UF
AGND
D
L71
-P12V -12V
FB
C81 C82
0.1UF 220UF
AGND
L72
+P5V +5V
FB
C83 C84
0.1UF 220UF
ASPECT
R92
Q74
3904
R93
C
R79 A-MUTE
VGND
1K
R94
FS1
+12V
C87 C88 C89
0.1UF 0.1UF
0.1UF
AGND
-12V
C90 C91 C92
0.1UF 0.1UF 0.1UF
AGND
AGND
COAXIAL
LX
CX B
SPDIF VGND
CN3
-P12V 5
1
+P12V
2
AGND
3
VGND
4
+P5V
5
1
TO POWER
CN8
11 MR 11
11
ML
10
T-CVBS
9
8
T-R/Y
7
T-G/Y
6
T-B/U
5
4
SCART-TV-SEL
3
SCART-V-SEL
2
FS1
1
1 1
TO SCART2
VGND A
6