bc test amply 888ar

CTY TNHH TM DV SX T CALI

AMPLI PRO 888AR

CALIFORNIA ELECTRONICSMODEL NO: PRO 888AR Power Output: 650 Watts Impedance: 8 Ohms

S khi Ampli: Board mic 1

Board mic 2

Board echo

Board music

Khi ngun

Board cng sut

Ti

1

CTY TNHH TM DV SX T CALI Mt trc Ampli: 1 2

AMPLI PRO 888AR

7

6

8 3 4 5 1- Ng vo mic 1 (bn tri cng), nm VOL iu chnh m lng, nt Selector chn li (-20dB), nm BAL cn bng tn hiu ra 2 loa, nm ECHO iu chnh m lng ting vang, nm LO iu chnh m thp, nm FREQ v GAIN iu chnh m trung, nm HI iu chnh m cao. 2- Ng vo mic 2 (bn tri cng), nm VOL iu chnh m lng, nt Selector chn li (-20dB), nm BAL cn bng tn hiu ra 2 loa, nm ECHO iu chnh m lng ting vang, nm LO iu chnh m thp, nm FREQ v GAIN iu chnh m trung, nm HI iu chnh m cao. 3- Cc nm VOL, LO, HI, RPT, DLY ca board Echo. 4- Cc nm VOL, LO, MID, HI ( t tri qua) ca board music iu chnh m lng, m thp, m trung v m cao cho nhc. Nt Selector bn tri cng dng chn knh nhc ng vo A hay B. 5- Cc nm LO, MID, HI ca board music iu chnh m thp, trung, cao cho tt c. 6- Nm iu chnh m lng tng. 7- Ng vo nh sng hng ngoi n IR thu. 8- Cng tc ng m ngun.

2

CTY TNHH TM DV SX T CALI Mt sau Ampli: 2 5

AMPLI PRO 888AR

7

1 1- Cu ch tng 5A.

3

4

6

8 9

2- Ng vo ngun AC 220V, 50Hz. 3- Trm ra loa. 4- Ng ra MIC. 5- Ng ra RECORD. 6- Ng ra LINEOUT. 7- Ng vo knh B. 8- Ng vo knh A. 9- Cu Equalizer.

3

CTY TNHH TM DV SX T CALI Bn trong Ampli: 7 6 5 4

AMPLI PRO 888AR

1

3

2

1- Module 4 s cng sut knh phi. 2- Module 4 s cng sut knh tri. 3- Board cng sut. 4- Bin p (gim p t 220V cn 43V hiu dng -dy vng v 15V hiu dng - dy xanh nht). 5- Board mic 1. 6- Board music. 7- Board VOL MASTER.

4


AMPLI PRO 888AR

1- Board Echo. 2- Board Mic 2.

1 2

I/ DIN GII CC LINH KIN DNG TRONG AMPLI: 1) IC JRC4558D (IC khch i thut ton) : 1-ng ra 1 2-ng vo o 1 3-ng vo khng o 1 4-ngun m (-Vcc) 5-ng vo khng o 2 6-ng vo o 2 7-ng ra 2 8-ngun dng (+Vcc)

5

CTY TNHH TM DV SX T CALI Maximum ratings:Thng s in p cung cp in p ng vo Nhit lm vic Cng sut tiu tn Nhit lu tr K hiu Vcc Vi Topr Pd Tstg Gi tr +-22 +-15 -2085 600 -65150

AMPLI PRO 888AR

n v V V C mW C

Electrical characteristics (ngun cung cp +/-15V, nhit lm vic 25 C):Thng s Dng cung cp Cng sut tiu th Tr khng vo Tr khng ra li bng thng K hiu Gi tr min Gi tr tiu biu 2.3 Gi tr max n v

Icc

4.5

mA

Pc

70

170

mW

Ri Ro BW

0.3

2 75

m MHz

2

2.8

6

CTY TNHH TM DV SX T CALI 2) IC JRC2060D (IC khch i thut ton):

AMPLI PRO 888AR

in p lm vic: 4 V 18V in p ng vo: 15V in p nhiu thp: 1.2 Vrms li bng thng : 10MHz Dng ng ra cao: 25mA Cng sut tiu tn maximum: 700mW Nhit lm vic: -20 +75 C 3) IC M65831AP (IC s to Echo):

7


AMPLI PRO 888AR

S chn 1 2

K hiu VDD XIN

Tn Digital VDD Oscillator input

I/O I

Chc nng in p cung cp

3

XOUT

Oscillator output

O

Kt ni n 2MHz b lc gm Ch Easy: ng vo d liu D1

4

D1/REQ

Delay1/Request

I Ch -COM: ng vo yu cu d liu Easy mode:ng vo d liu D2

5

D2/SCK

Delay2/Shift clock

I

-COM mode:ng vo xung dch Easy mode: ng vo d liu D3

6

D3/DATA

Delay 3/Serial data

I

8


AMPLI PRO 888AR-COM mode: ng vo d liu ni tip Easy mode:ng vo d liu D4

7

D4/IDSW

Delay4/ID Swicth

I

-COM mode:m ID iu khin L=hot ng bnh thng H=Easy mode

8

TEST

Test

I

9

EASY/-COM

Easy/-com

I L=-COM H=Sleep mode

10

SLEEP

Sleep

I L=nomal mode Kt ni n mt tng t nh 1 im Kt ni n mt tng t

11

DGND

Digital GND

-

12

AGND

Analog GND Low pass filter2 output Low pass filter2 input OPAMP2 output OPAMP2 input Current Control2 Current Control1 Reference OPAMP1 input

-

13

LPF2 OUT

O

14 15 16 17 18 19 20

LPF2 IN OP2 OUT OP2 IN CC2 CC1 REF OP1 IN

I O I I

T b lc thng thp vi RC bn ngoi

T mch tch phn CR bn ngoi

= Vcc T mch tch

9


AMPLI PRO 888ARphn CR bn ngoi

21

OP1 OUT

OPAMP1 output Low pass filter1 output Low pass filter 1 input Analog VCC

O

22

LPF1 OUT

O

23 24

LPF1 IN VCC

I -

T mch lc thng thp CR bn ngoi

in p ngun

in p cung cp : 4.5V 5.5 Tn s xung : 1 3 MHz

4) IC SN74HC00P:

Nhm in p lm vic rng: 2V 6V. Ng ra c th li n 10 ti LSTTL. Cng sut tiu th thp, dng Icc maximum l 20A. 4 mA ng ra li n 5V.

10

CTY TNHH TM DV SX T CALI 5) IC PT2249A (Remote Control Receiver):

AMPLI PRO 888AR

RXIN: ng vo nhn tn hiu IR. HP1HP5: (hold pulse) khi c tn hiu c nhn, chn ny s gi mc H. Khi phm nh th sau 160ms chn ny s tr li mc L.

11


AMPLI PRO 888AR

SP1SP5: (Single pulse) khi tn hiu nhn c nhp vo th chn ny s gi mc H trong khong 107ms. CODE2, CODE3: m pht s c so snh vi m c ci t trn 2 chn ny, nu ph hp th ng vo s c chp nhn. Vcc: chn cp ngun dng. Vss: chn cp ngun m (ni mt). OSC: chn vo ra OSC. 1 in tr mt song song vi 1 t c ni t chn ny vi VSS.

6) IC TC4013BP (IC Flip Flop loi D):

12

CTY TNHH TM DV SX T CALI 7) IC NE555:

AMPLI PRO 888AR

13


AMPLI PRO 888AR

in p cung cp: 4.5V 18V

8) IC KA7815, KA7915: KA7815 ( n p dng 15V):

14


AMPLI PRO 888AR

KA7915 ( n p m 15V):

15


AMPLI PRO 888AR

16

CTY TNHH TM DV SX T CALI 9) TRANSISTOR 2SC5200, 2SA1943: 2SC5200:

AMPLI PRO 888AR

2SC5200

17

CTY TNHH TM DV SX T CALI 2SA1943:

AMPLI PRO 888AR

2SA1943

18

CTY TNHH TM DV SX T CALI 10) TRANSISTOR MJE340G, MJE350G: MJE340G:

AMPLI PRO 888AR

MJE340G

MJE350G:

MJE350G

19


AMPLI PRO 888AR

11) TRANSISTOR BC546 (C546A):

20

CTY TNHH TM DV SX T CALI 12) TRANSISTOR A92, A42: A92:

AMPLI PRO 888AR

21

CTY TNHH TM DV SX T CALI A42:

AMPLI PRO 888AR

22


AMPLI PRO 888AR

13) TRANSISTOR S9015:

23

CTY TNHH TM DV SX T CALI 14) TRANSISTOR C1815

AMPLI PRO 888AR

24

CTY TNHH TM DV SX T CALI 15) TRANSISTOR S8050, S8550 S8050:

AMPLI PRO 888AR

S8550:

25


AMPLI PRO 888AR

II/ S MCH CC BOARD CA AMPLI: 1) Board Mic 1: S nguyn l:-20dB C2

+VccR3 D3 4148 20K R11 C6 R9 C8

+VccD4 4148

47u/25V C1 221 1 2 3 4 5 MIC IN C4 471 R5 3K D1 4148 R7 3K C3 R4 20K 47P Q1 9015 1K

220

470uF/25V

C7

R10

R1 100K

47u/25V R2 100K

47P Q2 9015 C5 471 R6 3K D2 4148 R8 3K

1K

-VccR17

-Vcc

+VccC10 C11 R12 27K 9 10

10K

U2A C13 1 47u/25V R23 R19 C14 10K C15 3K9 R18 6 10K 5 682 102 7 U3B 4558 R20 2060

151 2 3 +

R14

151 C12 151 U2B 7 2060 6 5 C16 100u/25 C18 104 + + U2C 8 2060

10K R15

+15VR24 47R

C9 151

10K R16 10K

+Vcc

R22

R21 10K

+

10K

3

-

+

18K 2

MIC1 U3A 4558 R13 1K

C17 100u/25

C19 104

R25 47R

-Vcc NGUON

-Vcc -15V

26

CTY TNHH TM DV SX T CALIR29

AMPLI PRO 888AR

MIC

C20

C21

R27 9

U4C 27K 5 6 7 U4B 2060 + 2060 20K 1 C34 10P

10K C24 8 R32 68K R30 R35 1K R36 1K 3K9 R39 47K 3K9 C27 564 47u/25V C26 R41 7K5 R42 R33 47K 12 13 + -

U4D 2060 14

47u/25V

47u/25V R26 100K

10K R28

10

R34

182 R43

47K C25 10P

C22 332

5K1

FREA500K R31 5K1 C23 332

MID HI50K 50K

LO50K R45 R37 1K R38 1K C30 10P 13 12 1K 47u/25V 14 502 R44 C28

C29 C37 R54 U4A 2060 C33 + 3 2 47u/25V

VOL50K

47u/25V

U2D 2060

ECHO50K R60 4K7 R61 4K7

47u/25V

220

R47 R53 5K1 R52 5K1 R51 47K R46 C39 3 C38 47u/25V R65 15K R66 1K 2 + U5A 4558 1 C40 R67 1K 22K 10P R71 C41 5 47u/25V 22K R68 15K R69 1K 6 + R72 D6 D5 U5B 4558 7 C42 R70 1K 22K 10P J3 47u/25V 4K7 22K 2 C32 4.7u/50V C44 4K7 R73 22K R74 4148 LED C43 47u/25V 3K3 C31

R57 R56

8K2 3 2

BAL50K R62

+15V

R63

3Q3A S8050

1 2 3 4 5 6 7

J2

L RG

Board thc t:

1

R64

1 2 3

+

22K

47u/25V R58 22K

-15V

ECHO

+ +

+Vcc103 1 R49 R48 U1A 4558 3K 4K7

27

CTY TNHH TM DV SX T CALI 2) Board Mic 2: S nguyn l:

AMPLI PRO 888AR

-20dB C2

+VccR3 D3 4148 20K R11 C6 20K 47P Q1 9015 C4 471 R5 3K D1 4148 R7 3K C5 471 R6 3K 1K R9 C8

+VccD4 4148

47u/25V C1 221 1 2 3 4 5 MIC IN C3 R4

220

470uF/25V

C7

R10

R1 100K

47u/25V R2 100K

47P Q2 9015

1K

D2 4148

R8 3K

-VccR17

-Vcc

+VccC10 C11 R12 27K 9 10

10K

3

10K R15

2060

47u/25V R23 R19 C14 10K C15 3K9 R18 6 10K 5 682 102 7 U3B 4558 R20

2060

C12 C9 151 10K R16 10K U2B 7 2060

151 6 5 C16 100u/25 C18 104 -

R22

18K 2

MIC1 U3A 4558 R13 1K

R21 10K

+

10K

3

+

1

+

+

C13

2

-

U2A

151

R14

151 U2C 8

+15VR24 47R

+Vcc

+

C17 100u/25

C19 104

R25 47R

-Vcc NGUON

-Vcc -15V

28

CTY TNHH TM DV SX T CALIR29

AMPLI PRO 888AR

MIC

C20

C21

R27 9

U4C 27K 5 6 7 U4B 2060 + 2060 20K 1 C34 10P R57

10K C24 8 47u/25V R32 68K R30 R35 1K 182 R43 R36 1K 3K9 R39 47K 3K9 C27 564 7K5 R42 C26 R41 R33 47K 12 13

U4D + 2060 R34 14

47u/25V

47u/25V R26 100K

10K R28

10

47K C25 10P

C22 332

5K1

FREA500K

MID50K

HI50K

LO50K

R31 5K1 C23 332

R37 1K

R38 1K

C37

R54

U4A 2060

C33 + 3 C30 2 47u/25V C29 10P

R45 502 R44 13 12 1K 47u/25V U2D 2060 R48 1 3K U1A 4558 4148 4.7u/50V C32 + C28

ECHO50K

47u/25V R60 4K7 R61 4K7

220

R53 47u/25V 5K1 R52 5K1 C38 R51 47K

14

VOL50K

+VccR49

R56

BAL50K R62

22K R63

+15V

22K R64 J2

22K

Board thc t:

1

ECHO

+

1 2 3 4 5 6 7

8K2

3

-

2

D5 2

3Q3A S8050

+

22K

47u/25V R58 22K R47

4K7

D6

-15VR46

3K3 C31 103

LED

29

CTY TNHH TM DV SX T CALI 3) Board ECHO: S nguyn l:J1 1 2 3 4 5 6 7 8 9 10 11 12 CON1

AMPLI PRO 888AR

+15V MICR40 100

+15V

R42 100/0.5W U6

-15V +15VC37 220u/25V

+Vcc

VIN

GND

3 C41 47u/25V

VOUT

1 C42 47u/16V C43 104 C44 47u/16V

+5V

C39 104 C40 104

78L05

+15VJ2 1 2 3 4 5 6 7 CON2

C38 220u/25V R41 100

-15V L R MIC ECHO -15V

-Vcc

R23 C18 R3 C 19 R1 C3 22K C1 R2 C2 6 222 4K7 10u/25V 5 47P C4 7 U3B 4558 10u/25V 100 R5 3K3 C5 153 R20 3K3 C15 562 R 26 2 3 100K 47u/25V C20 C7 683 C 11 R12 R4 15K R 16 10K C14 561 68K 47u/25V 100 U2A 4558 R24 47P 2 3 R22 22K R 17 10K 1u/50V 10K C16 104 33 1 33K R 21 C 17 R18 R19

2

OP2_OUT

ECHO

R27

R28

C 21 1

100K

L47K 10u/25V

VOL50K

LO50K C8 683 R6 3K3

U1A 4558 R 30 100K

R 29 6 5 100K -

C22

SLEC

C 23 7 47u/25V

47u/25V

U2B 4558 R32

R 10

SLEC TOR R 31 6 5 100K 47u/25V C24

R9 3K3 3 -

R33

C 25 7

100K

SLE C

47K

10u/25V

U1B 4558

U3A 4558

VDD

LPF1_IND1 U 5D 12 11 13 10 SN74HC00N C26 SN74HC 00N SN 74HC00N 101 68 R 34 10K R44 C 29 104 20K C35 C28 471 101 R37 100 104 C36 104 C 30 R36 1M 5 9 8 4 6 C 31 4148 U 5C U5B 33 C34 104

1 24

OP1_OUT

R38

C 33

LPF1 IN LPF2 IN OP1 IN OP2 IN R EF TEST XIN XOUT

VDD VCC

47u/16V 2 3

+5V

DLA10K

VDDC32 100u/25V C45 104

M65831A

11 12

DGND AGND

+

R

+

OP2_IN LPF2_OUT

+

LPF2_IN

HI50K

103

RPT50K 10K R11 R 15

+ + +

LPF1_OUTC13 561

C6 153 C9

15K C10 C12

15K R 14 10K

LPF1_IN

6u8/50V

101

1u/50V

1K 2

1

+5V

LPF1_OUTU4 23 14 20 16 19 8

LPF2_IN

LPF1 OUT LPF2 OUT OP1 OUT OP2 OUT

22 13 21 15

LPF2_OUT OP1_O UT OP2_O UT

OP2_IN

18 17 4 5 6 7 9 10

C C1 C C2 D 1/REQ D 2/SCK D 3/DATA D 4/IDSW EASY /M-COM SLEEP

30

CTY TNHH TM DV SX T CALI Board thc t:

AMPLI PRO 888AR

31

CTY TNHH TM DV SX T CALI 4) Board MUSIC: Module knh tri:

AMPLI PRO 888AR

J1 1 2 3 4 5 6 7 8 9 10 11 12 CON1

LB RB LA RA +15V -15V OR OMIC OL

LB LA RB

SELECTOR

+VccSL SRD1 C1 4148 5 + 10u/25V D2 4148 6 U2B 4558 7 C4 10u/25V R6 22K R3 J2 CON2 C3 271 R1 56K R2 680 1K 101 R15 22K C5 223 R7 6K8 R8 6K8 C2

L R OMI C

RA

-15V +15VSL

1 2 3 4 5 6 7 8 9 10 11 12

LO50K R16 18K

MID50K

C7 562

HI

C8

5 + 6 C14 10u/25V

U5B 4558 7 C16 R24

50K 100P

C17 C6 223 10u/25V R25 22K R26 6K8 R27 6K8

-VccR12 22K R13 6K8 R14 6K8

101

C15 271

R23 56K

R2 1K

103 C18 223

7 3K3 22K R23 27K 10u/25V 680 C12 10u/25V U1B 4558

R31

10K R32 C24 C23 6 5 822 222 22K C22

VOL MUS IC50K

R33 7 680 J3 1 2 3 VOL MASTER 10u/25V R34 56K R35 5K1 C25 10u/25V C26

68P

+15V +VccR72 47 C56 100u/25V

U4B 4558

5 + 6 -

U3B 4558 7 C27

C55

R71

OL10u/25V 100 R73 47 C57 100u/25V

R36 10K

47P

-Vcc MODULEMASTER -15V

CHANNEL LEFT

-

+

+

L

LO-M50K

MID-M50K

C20 562

HI-M50K

C21 101 R18

C19 223 R28 22K R29 6K8 R30 6K8

R17 C9 C11 6 5 822 22K

10K

L

R22

R21

C13

R19

68P

C10

222

MODULE MUSIC

32

CTY TNHH TM DV SX T CALI Module knh phi:3 2 C41 10u/25V R58 103 C45 223 100P D3 C42 271 R56 56K R57 1K + U5A 4558 1 C43 10u/25V R59 22K R 60 6K8 R61 6K8 C44

AMPLI PRO 888AR

+Vcc

1 C52 10u/25V 1 2 2 3 VOL MASTER 10u/25V R68 56K R69 5K1 R70 10K C53 680 U4A 4558 U3A 4558

J4

3

+ -

C54

1 47P 680 C39 10u/25V R55 R53 C40 U1A 4558

MODULE MASTERR

VOL MUS IC50K

3K3

22K R54 27K

10u/25V

CHANNEL RIGHT

Board thc t:

-

+

-

+

R

LO-M50K

MID-M50K

C47 562

HI-M50K

SRC48 100P

C28

4148 3 + U2A 4558 1 C30 10u/25V R42 22K R41 100P R45 22K C32 223 R43 6K8 R44 6K8 C31

10u/25V D4 4148

2

C46 223 R62 22K R 63 6K8 R64 6K8

C29 271

R39 56K

R40 680

1K

LO50K R49 18K

MID50K

C34 562

HI50K

C35 100P

R65

C33 223

-VccR46 22K R47 6K8 R48 6K8

10K R66 C51 C50 2 3 822 222 22K C49

R67

68P

R51

R50 C58 1 10u/25V 100 R74 C38

10K

ORR52 68P 2 3 822 C37

22K

C36

222

MODULE MUSIC

33

CTY TNHH TM DV SX T CALI Module Volume MasterJ5 2 1 NGUON

AMPLI PRO 888AR

+15V

R75

470/0.5W C59 100u/25V D5 1N4733 U7 IR R78 1K R79 R77 10K 150/0.5W C60 100u/25V 100 C61 100u/25V Q1 S8050 D6 4148 R81 10K R76 C64 10u/50V

S P3R83 10K U8A 5 Q2 S8050 3 D CK

14

6

S

VDDR80 39K

Q

1 2

/Q

TC4013BP

1 2 3

R82 10K

U6

HP1 HP2

VSS

2 3 4 5 6 7 8

16

RXIN HP1 HP2 HP3 HP4 HP5 SP5

OSC CODE2 CODE3 SP1 SP2 SP3 SP4

15 14 13 12 11 10 9

VCC

S P3 S P4

C62 2A102J

C63 2A102J

PT2249A

1

J6 1 2

MUTEQ3 S8050 R84

4

R

SP410K

Q4 S8550

R86

R87 Q5 S8550 Q8 S8050 Q7 S8050 R88 R89 1K 47K D7 4148 C65 100u/25V

1K C66

1

VOLUME MASTER B50K

1K

+ 2A104J R85

MOTOR DC

A-

HP21K

Q6 S8050

2

HP1

1 2 3

J7 VOL MASTER

1 2 3J8 VOL MASTER

Board thc t:

34


AMPLI PRO 888AR

5) Board cng sut: S nguyn l:R3 U3 D1 4007x4 VIN 2K2 J4 1 R1 2 103/3KV LED C5 220u/25V C6 104 J3 1 2 D3 3 R2 D4 C3 1000u/35V C4 104 2 0.5/0.5W VIN U2 +15V G C10 103/3KV F2 7A F1

P3C9 7A

+Vcc1 2 3 4C12 10000u/80V R5 5K6/3W C11 10000u/80V R4 5K6/3W

GND

P10.5/0.5W D2 C1 1000u/35V C2 104

1

VOUT

3

KA7815

2

P4-15V

2510 MODULE NGUON CONG SUATR21 R17

-Vcc

1

GND

C7 220u/25V VOUT KA7915 3

C8 104

NGUON +/-15V

P2

MODULE NGUON +/-15VJ5 1 L J7 1 2 3 J8 1 L J10 1 2 3 J9 1 KENH A R R KENH B

LO56K R22 4K7 R23

1 L

RECORD

J18

J16 1 L

LO56K R18 4K7

+VccC19 R13 47u/16V R12 22K Q4 KSP92 68K R14 33K D5 D7 4148

J19 1

2

2

R19

J17 1 R

4

J6 1 R15 R16 Q3 1K3 150K C20 10u/ 50V C1815

RO5K6 R24 4K7

ROR 5K6 R20 4K7

2

2

2

Q2 C1815 Q1 C1815 R6 10K C13 330u/35V D6 1N4744 R7 10K 2 C18 1 R95 U4 NE555 18K 220u/25V MUTE 3 4

J21 1 L R26 47K

1 22K R10 MIC 2 10K

P24007

J2

22K R11 C17 C C16 C J1 1 2 3 4 5 6 7 8

P1 P2 P3 P4

R27 1 6K8 R28 47K

2

J22 R

4

8

RST

R96 10/5W

10/2W L1 25T/0.9MM C41 473 R97

C14 10u/50V

7 6 2 R8 470K

DSCHG OUT THR TRG

VCC

L

LI

LO RO

3 5 8 6 7 1 2 DC12V

LI RI

GND

POW ER AC

CV

EQUALIZERJ12 1 1 2 3 4 1 J14 1 L

2

1

RR98 10/5W L2 10/2W

RIC15 103

5

J11

SL

2

J13

2

J15 1 R

SR

25T/0.9MM C42 473

AUDIO-I NPUT

2

2

35

MIC

R9

J20

R25

2

LINE OUTPUT

2

2

CTY TNHH TM DV SX T CALI-VccR33 4K7 R29

AMPLI PRO 888AR-VccR50

+Vcc

+VccR37 2K7

+Vcc

+Vcc

+VccR54 2K7

+Vcc

C28

4K7

C38

L47u/100V Q6 KSP92 C21 22P R30 470 100K C25 Q8 KSP92 R40 5K1 Q7 KSP92 10u/50V 560 C24 R32 101 10K R34 4K7 Q12 MJE350G J24 47P R42 100 1 2 3 4 5 6 BOARD RIGHT R41 10K R43 502 R45 330/ 1W Q9 C546A C26 22u/50V R44 330/ 1W 22K C22 470u/50V R35 R39 5K6 100u/63V C23 R31 R36 1K R38 8K2 C29 R46 47u/100V Q13 KSP92 C31 47P Q11 MJE340G 22P R47 470 100K C35 Q15 KSP92 R57 5K1 Q14 KSP92 10u/50V 560 C34 R49 101 10K R58 10K R51 4K7 C27 C30 Q10 MJE340G R59 502 Q16 C546A C36 22u/50V 22K C32 470u/50V R52 R56 5K6 100u/63V C33 R48 R53 1K R55 8K2

R RC39

L

47P Q18 MJE340G

5

55R61 330/ 1W

SL

L

SR

RR62 330/ 1W

2 -Vcc 22 R 4 55 +Vcc

22C37 Q19 MJE350G

-VccJ23 1 2 3 4 5 6 BOARD LEFT

2 L 4 5 +Vcc

-Vcc

47P

-Vcc

C40 Q17 MJE340G 47P R60 100

47P

-Vcc +VccR64

-Vcc

-Vcc +VccR80

-Vcc

5R74 R63

+VccR78 Q21 2SC5200 10 R75 Q25 A42 D9 4148 D10 4148 33K R90

55R79

+VccR94 Q27 2SC5200 10 R91 Q31 A42 D11 4148 33K

Q20 2SC5200 33K Q24 A42 D8 4148 R72 0.22/5W 5K6 R73 10 R71 1K R65

Q26 2SC5200 33K Q30 A42 R88 0.22/5W 5K6 R89 3K3 R85 0.22/5W R83 Q28 2SA1943 10 R87 1K R81

R66 0.22/5W

1K R76 5K6 R77 3K3

R82 0.22/5W

1K R92 5K6 R93 3K3 R86 0.22/5W

4

4

3K3 R69 0.22/5W R67 Q22 2SA1943 R70

4

4

+VccJ25 1 2 3 4 5 6 BOARD LEFT

+VccJ26 1 2 3 4 5 6 BOARD RIGHT

LR68 10

R

0.22/5W

5 4 L 2 -Vcc 2210

55 4 R 22 -Vcc

210

Q23 2SA1943

R84 10

Q29 2SA1943

-Vcc

-Vcc

-Vcc

-Vcc

Board thc t:

36


AMPLI PRO 888AR

37

CTY TNHH TM DV SX T CALI III/ TEST:

AMPLI PRO 888AR

1/ o in p phn cc cc transistor trn board cng sut:-VccR33 4K7 R29

+Vcc

+VccR37 2K7

+Vcc

C28

L47u/100V

LC21 22P 22K

-0.51VC22 470u/50V R30 470

Q6 KSP92 R35

R36 1K R39 5K6

R38 8K2

C29

47P C25

100K

-0.5VR40 5K1

AQ8 KSP92 Q9 C546A

Q11 MJE340G

0.45VR44 330/1W

100u/63V C23 R31

5

SL10u/50V 560

-0.51VC24 R32 101 10K

C26 22u/50V

Q7 KSP92 R41 10K R34 4K7

0.65VR43 502

BR45 330/1W

L

2

A' -0.45VC27 C30 Q10 MJE340G 47P R42 100 47P

-VccJ23 1 2 3 4 5 6 BOARD LEFT

Q12 MJE350G

2 L 4 5 +Vcc

-Vcc

-Vcc

-Vcc

Vbe(Q6,Q7) = -0.51V Vbe (Q8) = -0.5V Vbe (Q9) = 0.65V Vbe (Q11) = 0.45V Vbe (Q12) = -0.45V V(AB) = 0.5V V(AB) = -0.5V

38


AMPLI PRO 888AR

5R74 R63

+VccR64 Q20 2SC5200

+VccR78 Q21 2SC5200 10

33K Q24 A42 D8 4148 R72 5K6

10

50mVR71 1K R73

50mVR66 0.22/5W

33K R75 Q25 A42 D9 4148 1K R76 5K6 R77 3K3

R65 0.22/5W

4

3K3 R69 0.22/5W R67 Q22 2SA1943 R70

2/ Kho st tn hiu trn board mic: Ch a tn hiu vo mic 1:Tn hiu vo Tn hiu ra in p nh ng ra knh tri n board music (mV) 20 0.5 120 1 110 70 34 160 44 90 72 100 36 60 48 100 50 100 32 32 60 24 in p nh ng ra knh phi n board music (mV) 40 50

in p nh (mV)

4

+VccJ25 1 2 3 4 5 6 BOARD LEFT

L

0.22/5W

5 4 L 2 -Vcc

210

-50mV

R68 10

-50mV

Q23 2SA1943

-Vcc

-Vcc

Vbe (Q20,Q21) = 50mV Vbe (Q22,Q23) = -50mV

Tn s (Khz)

in p nh ng ra MIC (mV)

in p nh ng ra DLY (mV)

in p nh ng ra knh tri (mV)

in p nh ng ra knh phi (mV)

Volume mic 1 (%)

39

CTY TNHH TM DV SX T CALI250 130 1.5 290 190 3 440 260 5 570 270 10 670 110 320 340 130 44 320 120 340 160 120 60 180 50 340 150 90 52 65 150 200 130 80 40 160 60 150 70

AMPLI PRO 888AR110 50 50 120 140 40 180 70 200 100 50 140 80 230 140 220 100 210 100 50 100 50 100 50 100 50 100

Ch a tn hiu vo mic 2:Tn hiu vo Tn hiu ra in p nh ng ra knh tri n board music (mV) 20 0.5 220 95 1 240 110 1.5 280 90 280 80 190 50 100 80 36 60 80 170 72 40 64 120 44 100 50 75 32 90 60 130 44 60 40 90 36 100 50 85 30 70 30 50 in p nh ng ra knh phi n board music (mV) 20 50

in p nh (mV)

Tn s (Khz)





Volume mic 2 (%)

40

CTY TNHH TM DV SX T CALI165 3 420 220 5 560 560 10 640 115 320 320 140 110 240 150 240 100 125 50 380 50 140 190 48 50 125

AMPLI PRO 888AR40 240 40 200 100 200 80 100 110 200 70 200 50 100 50 100 50 100

a tn hiu vo c hai mic 1 v 2:Tn hiu vo Tn hiu ra in p nh ng ra knh tri n board music (mV) 20 0.5 480 220 1 520 250 1.5 640 370 3 950 5 500 265 120 600 180 280 320 400 120 210 220 100 50 200 105 200 200 400 300 140 100 280 200 100 50 170 80 120 60 360 170 85 40 250 120 100 50 160 70 220 200 280 40 140 140 200 20 100 50 190 60 50 125 40 in p nh ng ra knh phi n board music (mV) 85 50

in p nh (mV)

Tn s (Khz)





Volume mic 1+ 2 (%)

41

CTY TNHH TM DV SX T CALI1250 560 10 1500 240 680 680 300 100 600 250 600 300

AMPLI PRO 888AR400 160 440 400 200 440 100 50 100

3/ Kho st tn hiu trn board music: Ch c tn hiu t board mic (mic 1 hoc 2):Tn hiu vo in p nh ca tn hiu nhc (mV) in p nh ca tn hiu mic (mV) Tn hiu ra in p nh ca tn hiu knh tri (mV) 100 0.5 250 240 1 680 400 1.5 1100 0 20 500 3 1000 200 5 500 400 10 1250 1600 100 2000 600 100 50 1500 760 100 50 600 600 100 50 100 480 200 100 50 600 140 100 50 in p nh ca tn hiu knh phi (mV) 250 50 Volume

Tn s (Khz)

Music (%)

Master (%)

42

CTY TNHH TM DV SX T CALI Ch c tn hiu nhc:Tn hiu vo in p nh ca tn hiu nhc (mV) 20 in p nh ca tn hiu mic (mV) 0 Tn hiu ra in p nh ca tn hiu knh tri (mV) 30 70 0.5 70 180 30 70 1 70 180 30 70 1.5 70 180 32 80 3 80 220 5 32 80 80 220 32 80 70 180 32 80 70 180 30 70 70 180 30 70 in p nh ca tn hiu knh phi (mV) 30 70

AMPLI PRO 888AR

Volume

Tn s (Khz)

Music (%)

Master (%)

50 50 100 50 100 100 50 50 100 50 100 100 50 50 100 50 100 100 50 50 100 50 100 100 50 50 100

43

CTY TNHH TM DV SX T CALI80 220 32 80 10 80 220 80 220 80 220 32 80

AMPLI PRO 888AR50 100 100 50 50 100 50 100 100

C ng thi tn hiu nhc v tn hiu t board mic:Tn hiu vo in p nh ca tn hiu nhc (mV) 20 in p nh ca tn hiu mic (mV) 20 Tn hiu ra in p nh ca tn hiu knh tri (mV) 125 160 0.5 320 400 220 260 1 500 540 1.5 160 180 100 720 800 400 400 440 50 100 100 50 50 100 50 100 760 800 260 260 50 100 100 50 50 100 in p nh ca tn hiu knh phi (mV) 280 300 50 50 100 Volume

Tn s (Khz)

Music (%)

Master (%)

44

CTY TNHH TM DV SX T CALI500 200 240 3 800 1000 400 400 5 1000 1200 600 480 10 1250 1500 1250 1500 2000 2200 680 680 1500 1250 800 800 1000 600 620

AMPLI PRO 888AR100 50 50 100 50 100 100 50 50 100 50 100 100 50 50 100 50 100 100

4/ Kho st tn hiu trn board cng sut:

Tn hiu vo (t board music) in p nh (mV) 0 70

Tn hiu trn ti

Ngun cung cp (DC)

Tn s (KHz)

in Dng p in nh nh (V) 0 3 (A) 0 0.375

Cng sut in Dng tiu p in th (V) (A) (W) 0 0.56 55 55 0.02 0.14

Cng sut (W)

Cng sut tn hao (W)

Hiu sut (%)

li p (in p trn ti / in p vo) (V/mV)

Volume master (%)

0.5

2.2 15.4

2.2 14.84

0 3.6

0 0.04

0 50

45

CTY TNHH TM DV SX T CALI180 0 1 70 180 0 1.5 70 180 0 3 80 220 0 5 80 220 0 10 80 220 8 0 3 8 0 3 8 0 3.6 9 0 3.6 9 0 3.6 9 1 0 0.375 1 0 0.375 1 0 0.45 1.125 0 0.45 1.125 0 0.45 1.125 4 0 0.56 4 0 0.56 4 0 0.81 5.06 0 0.81 5.06 0 0.81 5.06 54 55 55 54 55 55 54 55 55 54 55 55 54 55 55 54 0.36 0.02 0.14 0.36 0.02 0.14 0.36 0.02 0.17 0.42 0.02 0.17 0.44 0.02 0.18 0.46

AMPLI PRO 888AR38.88 34.88 10.28 2.2 15.4 2.2 14.84 0 3.6 0.04 0 0.04 0.04 0 0.04 0.04 0 0.04 0.04 0 0.04 0.04 0 0.04 0.04 100 0 50 100 0 50 100 0 50 100 0 50 100 0 50 100

38.88 34.88 10.28 2.2 15.4 2.2 14.84 0 3.6

38.88 34.88 10.28 2.2 18.7 45.36 2.2 18.7 45.36 2.2 18.7 45.36 2.2 17.89 40.3 2.2 17.89 40.3 2.2 17.89 40.3 0 4.3 11.15 0 4.3 11.15 0 4.3 11.15

46

bc test amply 888ar

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