Service Manuals, User Guides, Schematic Diagrams or docs for : . Various SM scena Symetrix 425_2A00_sch
<< Back | HomeMost service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.
Image preview - the first page of the document
>> Download 425_2A00_sch documenatation <<
Text preview - extract from the document
6 5 4 3 2 1
JP2 REVISION RECORD
1 2
JP15 REVISIONS DONE OR ECO NUMBER:
0 OHM 1 2 LTR DATE:
D6 +15VA D16 D24 B VALUE CHANGES IN OUTPUT LED STRING 12/19/91
0 OHM
1N4148 1N4148 1N4148
D18 C C4 & C5 ADDED AS PER ECO 169 2/13/92
R19
R7 120 OHM 1N4148 R31 D CHANGES AS PER ECO 425-001 7/9/92
120 OHM R27 120 OHM
D D5 D15
120 OHM
D23
E ECO 425-8 SWAPPING LED REF DES.
D40-D43 & D60-D63
8/24/93
B.G. D
1N4148 1N4148 D17 1N4148 CORRECTED P/N AND DWG ERRORS,
A0 3/20/95
1 1 1N4148 1 CHG'D REV TO CONFORM TO NEW CONVENTION.
R20 1
2 Q1 2 Q2 2 Q4 FROM MOTHERBOARD
2N4403 2N4403 2 Q3 2N4403
10K 2N4403 1
JP14 J1A
3 3 3
3 1 2
R8 1 R32
10K R14 R28 10K 0 OHM 2
JP10 J1B
10K5 U3D 10K 1
1 9 0 OHM
+
14 JP16
R2 JP1 8 2 R29 3
- R22 0 OHM EXPLEDS_CH1 J1C
2K67 0 OHM 549 OHM
U1D
9
+
14 2
LM339 D14 -2dB 8K45
9 U4D 2
9
+
U5D
14
8 R15 + 14 8 4
- - COMPLEDS_CH1 J1D
6K49 8
11 + U3C
-15VA LM339 - -15VA LM339
D4 -2dB LM339 D25 -20
R3 10 -
13 (RED) -15VA D22 -3dB R30 1
JP13
2 5
C 3K01
11 + U1C LM339
D13 -4dB
R23
5K90
1K21
11 + U5C
LIMLEDS_CH1
0 OHM
J1E
C
13 11 +
U4C 13
(RED) (GREEN) 6
10 - R16 13 (RED) 10 -
5K76 10 - +15VA O/PLEDS_CH1 J1F
LM339 D3 -6dB 5 U3B LM339
D26 -10
R4 4
+ 2 (RED)
LM339 D21 -6dB R33
4K22
- R24 3K83
STEREO
U1B LM339 U5B JP20
5
+ 2 (RED)
D12 -6dB 5K49
5 U4B C3 5
+ 2 (GREEN)
D33 1 2 7
J1G
4 R17 + 2 (RED) .01uF/25V 4
- - 0 OHM
5K62 4
LM339
D2 -12dB 7
+
U3A -
LM339
LM339 D27 0VU
R5 6
1
-8dB D20 -9dB R34
(RED)
- (RED)
4K22 R25 12K1
7
U1A LM339 D11 7 U5A
5K76
+ 1 (RED) 7
+
U4A + 1 (GREEN) DUAL
+15VA 6 R9 1 (RED) 6 D32 8
- JP6 6 - J1H
5K62
LM339 - LM339
D1 -18dB 9
+
U2D
14
1 2
(RED) LM339 D19 -12dB D28 CLIP
B R6
35K7
8
-
LM339
0 OHM +15VA
R26
R35 (RED)
B
D10 -10dB 100K0 +15VA
30K1
(RED) R10 (RED) (RED)
5K62
11 + U2C
13 (RED) DETECT_CH1
-15VA 10 - -15VA -15VA
EXPLEDS_CH1 JP19
1 2
LM339
D9 -12dB R21
1M
DETECT_CH1
CH1 OUTPUT LEDS
0 OHM
R1 R11
1M 8K45 U2B LIMLEDS_CH1
5
+
CH1 EXPANDER LEDS 4
2 (RED)
-
LM339
D8 -15dB CH1 LIMITER LEDS
R18
28K0 U2A COMPANY:
7 +
1 (RED)
SYMETRIX INC.
A +15VA
6
-
LM339 D7 -25dB
14926 35th Ave. W. A
Lynnwood, WA 98037
R12 TITLE: REV:
124K R13
1M
DRAWN: DATED: 425 LED DAUGHTERBOARD A0
(RED)
COMPLEDS_CH1 DRAWING NO:
-15VA
RELEASED: DATED:
023425 SHEET: 1 OF 4
CH1 COMPRESSOR LEDS
6 5 4 3 2 1
JP32
1 2 +15VA
0 OHM
D55 D65
D39 D50 1N4148 1N4148
1N4148 1N4148
R56 R60 R70
R41 120 OHM 120 OHM 120 OHM
120 OHM
D D38
LEDBUSS
D49
LEDBUSS D54
1N4148
D64
1N4148 D
1N4148 1N4148 1 1
1 1 D53 R61
D48 2 Q7 2 Q8
R57
2 Q5 2 Q6 2N4403 2N4403
2N4403 2N4403 1N4148 10K
1N4148 20K0 3 3
3 3 9
R71 EXPLEDS_CH2 J1I
COMPLEDS_CH2
R42 10K
10K R51 JP24
10K5 2 1 10
9
U9D R50 COMPLEDS_CH2 J1J
+ JP43
R39
1
8
14 1 2 1M R62
8K45
-3dB R68
549 OHM
0 OHM
JP22
D31 2K67 JP31 - 0 OHM 9 U11D -15VA 9
U12D 2 1 11
U7D LM339 + JP54 + LIMLEDS_CH2 J1K
1N4148 9 0 OHM 14 2 1 14
+ D47 0 OHM
14 8
-
8
-
8 2 R52 0 OHM JP23
-
LM339 -2dB 6K49
11 +
U9C -2dB
LM339 D59 LM339
D60 -20
O/PLEDS_CH2
2 1 12
J1L
D37 0 OHM
13 R64 R69
R40 (RED) +15VA
10 -
C 3K01
11 + U7C LM339
5K90
11 + U11C
13
1K21
11 +
U12C
13
13
J1M C
13 (RED)
D46 -4dB 10 - 10 -
(GREEN)
2
JP25
1
10 - R53
LM339 LM339 14
LM339
D36 -6dB 5K76
5
+
U9B D58 -6dB D61 -10 0 OHM
J1N
2 R65 C13 R72
R43 4
- -6dB 5K49
5 U11B .01uF/25V 3K83
5 U12B 15
4K22
5 U7B LM339 + 2 + 2
J1O
+ D45 (RED) (GREEN)
2 (RED) 4 4
4 R54 - -
-
LM339 -12dB 5K62
7
U9A
LM339
D57 -9dB
LM339 D62 0VU 16
J1P
D35 + JP46
2 1 1 2 R66 R73 -15VA
R44 JP38 6 5K76 U11A 12K1
1 2 - 0 OHM 7 7 U12A
4K22
7 U7A 0 OHMLM339 D44 + 1 + 1 (GREEN)
6
+ 1 (RED)
0 OHM JP37
◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo