Philips FW-C577/21 Service Manual page 21

VU METER (RIGHT) BOARD - COMPONENT LAYOUT
This assembly drawing shows a summary of all possible versions. For
components used in a specific version see schematic diagram and respective
VU METER (RIGHT) BOARD - CHIP LAYOUT
This assembly drawing shows a summary of all possible versions. For
components used in a specific version see schematic diagram and respective
parts list.
5-7
parts list.
3139 113 3513 pt4 dd wk0310
3139 113 3513 pt4 dd wk0310
VU METER (RIGHT) BOARD - CIRCUIT DIAGRAM
1830 C1 2831 D3 2834 D3 3833 D3 3836 B3
1831 D4 2832 C2 3831 C2 3834 D3 3837 B2
2830 D2 2833 A2 3832 D2 3835 C2 3838 B2
1 2
VU METER (RIGHT)
A
Gnd
3844
Vu_cntl
220R
B
Gnd
C
To Front Display Board
1830
HR
1
VUMeter 3831
2
4K7
3
+5V6
D
Note : Some values may varies, see respective parts list for correct value.
1 2
VU METER HOUSING (RIGHT) BOARD - COMPONENT LAYOUT & CIRCUIT DIAGRAM
3139 113 3513 pt4 dd wk0310
5-7
3839 B2 3842 A3 6830 A3 6835 D3 7832 B3
3840 B2 3843 A4 6831 A3 7830 C3 7833 B3
3841 A3 3844 A2 6832 A4 7831 A2 7834 B4
3 4
+5V6
7831
BC847B
3840
7832
BC847B
1K2
7833
Gnd
3838
BC847B
4K7
7834
Gnd
3836
BC847B
1K2
Gnd
Gnd
+5V6
7830
To VU Meter Housing (Right) Board
BC847B
Vu_cntl
1831
3833 3834
1
2830 1K 8K2
2
100p
EH-S
3139 118 56720...8239_210_94844 for 3513 pt4 dd wk0310
3 4
5901 A2
1 2
VU METER HOUSING (RIGHT)
To VU Meter (Right) Board
5901
A P-66SI
1 2
Vu_Gnd Vu_signal
3139 118 56720...8239_210_94864 for 3513 pt4 dd wk0310
1 2
A
B
C
D
A