Philips FR-975, Service Manual

Page: 56 / 75

D C B A
1
1
D C B A
1
1
D C B A
This assembly drawing shows a summary of all versions.
For components used in a specific version see schematic diagram and respective partslist.
PCS 105 726
10-2 10-3
MEASUREMENT REFERENCES TO LAYOUT ON PAGE 10-8 SCREW TERMINAL BOARD - COMPONENT VIEW & COPPER SIDE VIEW
P50/RC5 VIDEO SELECTOR BOARD - COMPONENT VIEW & COPPER SIDE VIEW
16
17
18
8
9
10
3
2
4
26
27
33
36/40/43
41/42
39
19
34
25
24
12
20
21
Can be measure via Test point
on component side monoboard IC 7641
Pin
Funtionality
TP 1
TP 2
TP 3
TP 4
TP 5
TP 6
TP 7
TP 8
TP 9
TP 10
TP 11
TP 12
TP 13
TP 14
TP 15
TP 16
TP 18
TP 19
TP 20
TP 21
TP 22
TP 23
Left in
MDM Left in
6 CH Front left in
Right in
MDM Right in
6 CH Front Right in
4,7V
4,7V
4,7V
4,7V
4,7V
Right out
Ground
9,4V
4,7V
8,7V
Left out
4,7V
4,7V
4,7V
4,7V
4,7V
16
17
18
8
9
10
3
2
4
26
27
33
36/43
40/41/42
39
19
34
25
24
12
20
21
Can be measure via Test point
on component side monoboard
IC 7642
Pin
Funtionality
TP 24
TP 25
TP 26
TP 27
TP 28
TP 29
TP 30
TP 31
TP 32
TP 33
TP 34
TP 35
TP 36
TP 37
TP 38
TP 39
TP 40
TP 41
TP 42
TP 43
TP 44
TP 45
4,7V
MDM Center in
6 CH Center in
MDM Subwoofer in
MDM Subwoofer in
6 CH Subwoofer in
4,7V
4,7V
4,7V
4,7V
4,7V
Subwoofer out
Ground
9,4V
4,7V
8,7V
Center out
4,7V
4,7V
4,7V
4,7V
4,7V
5
4
8
3
Can be measure via Test point
on component side monoboard
IC 7601
Pin
Funtionality
TP 69
TP 70
TP 71
TP 72
5
4
8
3
Can be measure via Test point
on component side monoboard
IC 7503
Pin
Funtionality
TP 73
TP 74
TP 75
TP 76
Can be measure via Test point
on component side monoboard
Funtionality
TP 83
TP 84
TP 85
Tr7658
B
C
E
Can be measure via Test point
on component side monoboard
Funtionality
TP 86
TP 88
Tr7653
B
E
Can be measure via Test point
on component side monoboard
Funtionality
TP 96
TP 97
TP 98
Tr7621
B
C
E
Can be measure via Test point
on component side monoboard
Funtionality
TP 99
TP 100
TP 101
Tr7622
B
C
E
Headphone Amp L in
-13,5V
12V
Headphone Amp R in
Right in
-12V
11V
Left in
-0,5V
Ground
Headphone Amp R out
-1,5V
Ground
Headphone Amp L out
5V
-13V
5V
-1,8V
Center mute
IC7641 IC7642
IC7601
Tr 7621
IC7503
Tr 7622
Tr 7653
Tr 7658
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