5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
BOTTOM VIEW
PH1
2
5
1
(To DC-DC)
(To DC-DC)
3
COLLECTOR
2
BASE
1
EMITTER
2SC2411K
SOT-23B
VR use 50K ohm
If have not mark, Res. and Cap. use 0805.
FOR AM999 ONLY
405A78
0B
SCHEMATIC, AUDIO&D/D BD. VM-902
B
2
3
Friday, July 19, 2002
Title
Size
Document Number
Rev
Date:
Sheet
of
2
RIN
5
LIN
MUTE_1
ROUT
R_EAR
LIN_2
RIN_2
RIN_1
LIN_1
MUTE_1
LIN_1
RIN_2
LIN_2
1
L_EAR
LOUT
RIN_1
+12V
+12V
R14
1 1206
R13
1 1206
R1
22K
R2
22K
C2
470P
C1
470P
J3
SCJ-0345-1-X-S
C4
0.1uF
+
C9
10uF/16V
+
C7
10uF/16V
R7
51K
L1
NC/1mH
1
2
C15
0.047uF
R6
3.3K
C16
0.047uF
R8
51K
C6
0.01uF
+
C12
100UF/16V
+
C3
1000uF/16V
+
C5
470uF/16V
+
C11
470uF/16V
+
C8
4.7uF/16V
+
C10
4.7uF/16V
R4
100
R3
100
R10
5.1K
Q2
945
2
1
3
R5
5.1K
C17
0.1uF
+
C13
470uF/16V
D1
EC10QS04
U1
TDA1517
SOT110B
1
9
3
8
7
6
2
5
4
INV1
INV2
SVRR
MUTE
VP
OUT2
SGND
PGND
OUT1
Q1
945
2
1
3
R11
9.1K
C18
0.1uF
R12
9.1K
J2
E&T_96113_1103
1
2
3
4
5
6
7
8
9
10
11
C14
0.1uF
Содержание AL922
Страница 21: ...21 3 3 BLOCK DIAGRAM ...
Страница 31: ...31 7 TROUBLESHOOTING 7 1 Main Procedure ...
Страница 32: ...32 7 1 1 Power Circuit Troubleshooting ...
Страница 33: ...33 7 1 2 Backlights Troubleshooting ...
Страница 34: ...34 7 1 3 Performance Troubleshooting ...
Страница 35: ...35 7 1 4 Function Troubleshooting ...
Страница 38: ...38 Back Cover Cable Cover Gap 0 8 mm B 1 2 mm Base Cover Neck Cover Gap 0 8 mm C 1 2 mm ...
Страница 42: ...42 WAVESHAPE ...
Страница 48: ...48 APPENDIX A PARTS LISTS ...
Страница 50: ...50 A 4 461A7830011 Firmware Ctrl Board VL 901 ...
Страница 53: ...53 APPENDIX B DISPLAY UNIT ASSEMBLY ...
Страница 61: ...61 APPENDIX C P C B A ASSEMBLY ...