Service Manuals, User Guides, Schematic Diagrams or docs for : . Rare and Ancient Equipment Microlab Speakers Колонки Microlab H-300 H-300
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1 2 3 4 5 6
D D
~3.5V 5
~3.5V 4
DC-27V 3
MUTE 2
GND 1
C207 C208
VFD HNVCLLSM27
CON2 CC104
100UF/35V
L201
4.7UH
G12
G11
G10
P16
P15
P14
P16 P13
P15 P12
P11
P10
G9
G8
G7
G6
G5
G4
G3
G2
G1
F2
F2
P12 P9
P11 P8
P10 P7
P9 P6
P8 P5
P4
P3
P2
P3 P1
F1
F1
P14 P18
P13 P17
+5V VDD
P18
P17
P2
P1
G10
P7
P6
P5
P4
G9
G8
G3
G2
G1
G7
G6
G5
G4
C201 C202
100UF/16V CC104
R201
C C
RX1 10K C205 IC201
104 C204 P17
L202 2SC2604
4.7UH 30pF P18
1 28
GND
VCC
OUT
Y201 D201 D202
6MHz 1N4148 1N4148
2 27
34
45
14
33
3 26 C203
1
2
3
IC203
30pF
G8 37 36 G9
VEE
4 25 G8 S20/G9
VDD
VDD
VDD
G7 38 35 G10
G7 S19/G10
G6 39 32 P1
5 24 G6 S18/G11
G5 40 31 P2 SW4 SW3
G5 S17/G12
G4 41 30 P3
6 DOUT 23 G4 S16/G13
G3 42 29 P4 vol -
G3 S15/G14 out PUT R208
G2 43 28 P5
7 22 G2 S14/G15
DIN G1 44
G1 S13/G16
27 P6
33K
C206 26 P7
8 21 S12/K12
CC104 CLK 46
LED5 S11/K11
25 P8 SW5 SW2
47 24 P9
9 20 LED4 S10/K10
STB 48
LED3 S9/K9
23 P10 vol + in put R207
49 22 P11
10 19 LED2 S8/K8
MUTE R204 56K
50
LED1 S7/K7
21 P12
33K
52 20 P13
11 18 OSC S6/K6
B CE 9
STB S5/K5
19 P14 SW1 B
STB 8 18 P15
12 17 CLK S4/K4
SDA CLK 7
NC S3/K3
17 P16 st-by R206
6 16 P17 CON5 CON6
CE 5 13 16 DIN S2/K2
SCL DIN 5
DOUT S1/K1
15 P18
1 1 33K
+5V 4 DOUT
3 14 15 2 2
SDA
2
DO 4
SW4 KEY4
13
3 3
SCL 3 12
1 SW3 KEY3 4 4
DO 2 11
SW2 KEY2 5 5
VSS
1 10 R205
CON3 SW1 KEY1
PT6311 33K
51
H-300
A A
Title
H-300 DISP
Size Number Revision
B SDP1-0X25R-A51/52 V1.0
Date: 20-Apr-2006 Sheet of 1
File: D:\AN1\H-300.ddb Drawn By: WANGZHAO
1 2 3 4 5 6
PDF created with FinePrint pdfFactory trial version http://www.fineprint.com
1 2 3 4 5 6
C1
R1
R
1K
R2 10UF
CD C12
C01 47K U2B
5 C13
CC101
7
U1 R2S15900 10UF 6
C1' 0.1UF
D R1' C3 +VA/9V MC4558 D
L R10
1 28 R8 R9 10K R11
1K
R2' 10UF REFIN VCC 47K 10K 22K
C01' 47K 1UF/50V 2 27
CC101 L1 IN R1 IN
3 26 C26
C2 L2 IN R2 IN +VB C25
CC104
+VA
100UF/16V
R3 4 25 RADIO R
R RADIO L L3 IN R3 IN JK7
8
1K
10UF 5 24 L
AUX1 C02 R4 L4 IN R4 IN C12' 1
2
CC101 47K 3 U2A C13' R
6 23
L5I N R5 IN 1 3
4
GND
10UF 2 SUB
C2' MC472 C4 7 22
R3' TREL TRER C8 MC472 MC4558 R10' 0.1UF
L
MC683 C5 8 21 R8' R9' 10K R11'
1K BASSL1 BASSR1 10K 22K
4
10UF C9 MC683 47K
R4'
C02'
47K
MC683 C6 9 BASSL2 BASSR2 20 R13' R13
CC101 C10 MC683 10K 10K
10 19
PSEUDO ROUT +VB
R5 C7 11 18
8.2K MC153 LOUT SCL
12 R6 C15
C GND SDA 17 8.2K C
4
13 16 10UF R14
NC REXT 47K C16 2
14 15 R7 MC224 U3AA
NC CEXT 10K 6 U3BB
R15 R16
1
7 3
5 10K 10K 4558
4558
C17
+VB
8
C11 MC104
MC224
C18
+VA
JK4 JK4'
JK5 10UF
DO DO RADIO TUNER JK5' +5V
5 5 1 8
4 CL CL 4 1 +5V 1 R
3 DI 3 ZJ828 2 R 2 2 7 C19 R17
DI
2 CE CE 2 3 GND 3 L 1UF 100
1 GND GND 1 4 L 4 3 PT2257 6 R18
VA
100K
TO RADIO TO RADIO 4 5
SDA SCL
B U4 B
SCL
SDA
D1-D4
T? 1N4004 JK6
-27V +VP U6 VA VB
R30 R20 R19 R22
~27V 1K
2
1 68/1W
7809 3.3K
C35 D103 C36 * 0-10 R23
100UF C37 C20 C21 C22 C26' 3.3K
27V C38 C24
100UF CC104 100UF/25V 100UF/25V 100UF/16V C23
TRANS1 50V 100UF/16V
100UF CC104
ZD104 4.7UF/50V
6V2/0.5W U7 VD/+5V
R21
R31 R32 220/1W
7805
JK1 TO VFD
100 100 C27 C28 C29
100UF/25V 100UF/16V CC104
S-4/9 S- 5/9
-27V
T? ~3.5V 1 1
TRANS1 ~3.5V 2 MUTE 2 U7 VD/+12V
~3.5V SCL 3 3 R24
CE R33 R34
A SDA 4
DO
4
470 470 * 0-33/1W
7812 A
5
+5V C30 C31 C32 Title
100UF/25V 100UF/16V CC104 H-300 & X24 PREAMP SCH
RADIO
Size Number Revision
B
Date: 20-Apr-2006 Sheet of
File: D:\AN1\H-300.ddb Drawn By: L.M.An 05.5.28
1 2 3 4 5 6
PDF created with FinePrint pdfFactory trial version http://www.fineprint.com
1 2 3 4 5 6 7 8
+VCC
1D7 1C3
1N4148 47UF 1C6
1R4 1C7
15K 104 100UF /25V
D D
SP1
1R18 100K 3
JK7' 1C1 8 ohm
1R1 1UF 1R3 5
1 5.6K 1K
7
2 1C01
4 1R5 1C4
3 U2 102
1C5 1C2 22K MC104
4 221
1R2 101
TO PREAMP 47K 1R7
8
4.7
9
U2
1R6
TDA7265 560
1C1'
1R1' 1UF 1R3' SP2
5.6K 1K 11 8 ohm
2
1C5' 1D5 1C2' U3
1C01'
1R2' 101 221
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