C4800 Schematic (1)

1 2 3 4 5 6 7 8 H4-3-4 +141.4V R504 220 Q2 A1941 R502 39K C502 220 R503 2K/2W R507 0.47/2W D CH1 Power Am

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H4-3-4 +141.4V R504 220

Q2 A1941

R502 39K

C502 220

R503 2K/2W

R507 0.47/2W

D

CH1 Power Amplifier C36 10U/200V

-3 R39

2.7K

2.7K

R26 680

C25 471

CH1 INPUT

C23 104D R29 100K/1W

GND

R36 470

1

T9 A1837

R103 10K

R25 27K

R102 10K

10K

R104 10K

C104 10K 22U/50V

6

4 C103 22P

-15V -18V

C115 104D

C116 100U/25V

R48 100K/1W

C204 104K/250V D203 4148

T218 2SC5200

T220 2SC5200

R215 3.3/2W

T206 2SC5200

R219

R223

R227

R231

R235

R235

3.3/2W

3.3/2W

3.3/2W

3.3/2W

3.3/2W

3.3/2W

C27 20P

T204 2N5551

R244 10/2W R213 20/2W

R217 0.33/5W

R214 20/2W

R218 0.33/5W

R225 0.33/5W

R221 0.33/5W

R229 0.33/5W

R233 0.33/5W

R237 0.33/5W

R237 0.33/5W

R301 22

D301 4007

R134 1K

T2 A970

A970

T10 C4793

C206 104K/250V

D204 4148

VR2 302

R204 220

R43 100R



T8 C4793

R230 0.33/5W

R234 0.33/5W

R238 0.33/5W

D206 5404 T207 2SA1943

R216 3.3/2W

R220 3.3/2W

T209 2SA1943

C203 222

R304 47K

R238 0.33/5W

R224 3.3/2W

R228 3.3/2W

R232 3.3/2W

R236 3.3/2W

R236 3.3/2W

D202 4148

R210 6.2K

SENSITIVITY 0.77V 1.0V K1 1.44V

R226 0.33/5W

R222 0.33/5W

R208 1K

R49 100K/1W

C30 20P

R109 39K

2N5401

R210 33K

R52 470

LOUT1

D205 5404

1K

R209 33K



R125 27K

R40 10K

R32 100

T1

NE5532

R108 27K C106 68P

T216 2SC5200

T205 R31 100

7

IC1BB

T214 2SC5200

T212 2SC5200

T210 2SC5200

T208 2SC5200

R206

A10K

5

NE5532 C105 105K/63V

R27 10K

180

C208 100P

W101

R107 10K

1

IC1A

R38

R51 2.2K

C19 10U/50V

R106

R105

3 2

180 R24 1K

C102 22P

R101 10K

8

C

T4 C2240

R37

+18V

H4-2

MUR1560

T211 2SA1943

C209 100P

T213 2SA1943

T215 2SA1943

T217 2SA1943

T219 2SA1943

T221 2SA1943

C301 10U/250V

C101 22P

D

+70.7V

C202 222

T201 TIP122



VR1 500

VR3

D201 4148

C31 20P C20 221

D503

D207 FR307

C212 104/250V

HER204 R203 220

GND

CH1 IN+

R501 12K/0.5W

D501 4148

Q1 2N5551

D1 T7 A1837

R42 100R

Q3 2SC5200

C503 220

6.2V1/2W

T3 C2240

TO MODE INPUT SWITCH CH1 IN-

D5 1N4007

C32 104D

ZD3

T5 2N5401

+2 -3

C34 104/250V

R47 270

R505 5.1/2W

OUT

C R245 10/0.5W

R201 56K/2W

1

R35

105K/63V

GND

+2

CH1

Q4 2SC5200

C41 10U/200V

+140V LED1

C201

CH1

R506 0.47/2W

C501 417

ZD501 5.1V

C303 104K/250V

R305 56K/1W R302 22K CILP

R303 2.2K T301 2N5551

T6 R33 470R

2N5551

LCR B

R28 2.7K

R34 2.7K

ZD4 6.2V1/2W

R30 100K/1W

C26 104

C24 471

D2 HER204

R41 680 LED2

GND

R50 270

D208 FR307

C37 10U/200V C33 104D

C35 104/250V

R514 0.47/2W



2N5551

SLA-S-124DM

T15 R68 R313 10K 270

Q7 1943

R513 0.47/2W

!

C304 104D

TOR80 85℃

T16 2N5551

R58 0.5

D4 1N4007 PRO

SIG

Q6 C5198

MUR1560

B

R512 5.1/2W

Q5 2N5401 C506 220 R510 2K/2W

ZD502 5.1V

R508 12K/0.5W C505 220

R511 220

D502 4148

R509 39K

T12 2N5551

R59 2.2K

R69 270K

C211 104/250V

R64 2.2K

H4-9 -70.7V

-140V

+22V J2

GND

D504 Q8 1943

C504 471 H4-7-8 -141.4V

R65 47K R1 2.2K

T14 2N5551

R70 47K

C39 100U/25V

R66 33K

CH1 OUT

SPEAKER A

C40 220U/25V

T13 2N5551

ACTI

D3 4148

A

C4800 Schematic Document

R67 100K

GND

1

2

3

4

5

6

7

8

1

2

3

4

5

6

7

8

H4-3-4 +141.4V

CH2 Power Amplifier

R504 220

Q2 A1941

-3

R502 39K

C502 220

R503 2K/2W

+2 CH2 1 D

CH2 INPUT

R507 0.47/2W

R506 0.47/2W

R505 5.1/2W

+2

CH2

C501 417

ZD501 5.1V

C503 220

R501 12K/0.5W

D501 4148

Q1 2N5551

D

-3 1

C36 10U/200V

Q4 2SC5200

C41 10U/200V

+140V

MODE

PARALLEL

PARALLEL

STEREO BRIDGED

STEREO

C25 471

BRIDGED

TO CH1 OUT R203 10K

R202 10K

R24 1K C202 22P

2

10K

R204 10K

-15V

C115 104D

C116 100U/25V

D203 4148

T220 2SC5200

R215 3.3/2W

T206 2SC5200

R219

R223

R227

R231

R235

R235

3.3/2W

3.3/2W

3.3/2W

3.3/2W

3.3/2W

3.3/2W

C27 20P

T204 2N5551

R244 10/2W R213 20/2W

R217 0.33/5W

R214 20/2W

R218 0.33/5W

R225 0.33/5W

R221 0.33/5W

R229 0.33/5W

R233 0.33/5W

R237 0.33/5W

R237 0.33/5W

R301 22

D301 4007

R134 1K

T2 A970

A970

T10 C4793

C206 104K/250V

D204 4148

VR2 302

R204 220

R43 100R



T8 C4793

R230 0.33/5W

R234 0.33/5W

R238 0.33/5W

D206 5404 T207 2SA1943

R216 3.3/2W

R220 3.3/2W

T209 2SA1943

C203 222

R304 47K

R238 0.33/5W

R224 3.3/2W

R228 3.3/2W

R232 3.3/2W

R236 3.3/2W

R236 3.3/2W

D202 4148

R210 6.2K

SENSITIVITY 0.77V 1.0V K1 1.44V

R226 0.33/5W

R222 0.33/5W

R208 1K

R49 100K/1W

C30 20P

R109 39K

2N5401

R210 33K

R52 470

LOUT1

D205 5404

1K

R209 33K



R125 27K

R40 10K

R32 100

T1

NE5532

R108 27K C106 68P

T218 2SC5200

T205 R31 100

7

IC1BB

T216 2SC5200

R206

A10K

5 6

C205 105K/63V

R27 10K

180

R48 100K/1W

C204 104K/250V

W101

R107 10K

NE5532

4 22P

C204 10K 22U/50V

1

IC2A

R38

R51 2.2K

C19 10U/50V

R106

R205

3

T4 C2240

180

T214 2SC5200

T212 2SC5200

T210 2SC5200

T208 2SC5200

D201 4148 C202 222

T201 TIP122



R37 R25 27K

C208 100P

HER204 R203 220

T9 A1837

VR1 500

C20 221

R134 1K

+15V

R101 10K

C203

T3 C2240

C115 104D

+70.7V

D1

GND

C31 20P

TO CH1 Amplifier OUT

H4-2

MUR1560

D207 FR307

C212 104/250V

6.2V1/2W

T7 A1837

R42 100R

R135 27K

8

C

R29 100K/1W

D5 1N4007

C32 104D

ZD3

T5 2N5401

R36 470 C116 100U/25V

C201 22P

C23 104D

D503

T211 2SA1943

C209 100P

T213 2SA1943

T215 2SA1943

T217 2SA1943

T219 2SA1943

T221 2SA1943

OUT

C R245 10/0.5W

R201 56K/2W

CH1 IN+

2.7K

C34 104/250V

R47 270

Q3 2SC5200

C301 10U/250V

CH1 IN-

2.7K

R26 680

105K/63V

MODE

R39

C201

TO CH1 INPUT

R35

LED1

C303 104K/250V

R305 56K/1W R302 22K CILP

R303 2.2K T301 2N5551

T6 R33 470R

2N5551

LCR B

R28 2.7K

R34 2.7K

ZD4 6.2V1/2W

R30 100K/1W

C26 104

C24 471

D2 HER204

R41 680 LED2

GND

R50 270

D208 FR307

C37 10U/200V C33 104D

C35 104/250V

R514 0.47/2W



2N5551

SLA-S-124DM

T15 R68 R313 10K 270

Q7 1943

R513 0.47/2W

!

C304 104D

TOR80 85℃

T16 2N5551

R58 0.5

D4 1N4007 PRO

SIG

Q6 C5198

MUR1560

B

R512 5.1/2W

Q5 2N5401 C506 220 R510 2K/2W

ZD502 5.1V

R508 12K/0.5W C505 220

R511 220

D502 4148

R509 39K

T12 2N5551

R59 2.2K

R69 270K

C211 104/250V

R64 2.2K

H4-9 -70.7V

-140V

+22V J2

GND

D504 Q8 1943

C504 471 H4-7-8 -141.4V

R65 47K R1 2.2K

T14 2N5551

R70 47K

C39 100U/25V

R66 33K

SPEAKER A

C40 220U/25V

T13 2N5551

ACTI

D3 4148

A

C4800 Schematic Document

R67 100K

GND

1

2

3

4

5

6

7

8

2

3

C2 100U/35V

Vin

+15V

1

+15V

C5 220U/35V

1

2

D1

3 IC1 LM7815

4

GND

1

IC2 LM7915

C4 220U/35V

2

Vin

C402 220U/200V

D409 1N4007

R403 51K R402 120K

C410 10U/200V

C406 473K/250V

C1

17.5V~

+140V

VR1 20K

T401 2N5551

104/100V

-15V

3

-15V

T402 C5171

17.5V~

D

R401 27K

R404 47K

D403 33V/1W

T403 2N5551

!

+141.4V

C3 100U/35V

GND

D

C408 10U/100V C404 2.2U/250V

AC105V

C405 2.2U/250V

D401 C403 220U/200V

!

C

C R408 47K

R406 120K

AC101V T405 A1930

C407 473K/250V

C422

C411

VR2 20K

-140V +141.4V

C426

HB- 180/145

-70.7V

220V~

C419

C423

D408 1N4007

!

R413 22K/2W

D403

0V

!

10U/200V

R407 51K

10000U80VX12 C418

D403 33V/1W

T404 2N5401

AC105V

AC50.5V

C409 10U/100V

T406 2N5401

R405 27K

-141.4V

C401 104K/250V

0V

C427

C414 104K/250V

AC50.5V

AC101V

C424

C428

R414 22K/2W

C420

C417 104K/250V

-70.7V

D402

!

B C421

C425

C429

B

-141.4V

18V~ C430 104/100V

C6 100U/63V

R409 1.5K

200R/20W

R8

A

SLA-S-124DM

C106

R412 470R

TOR50 RSW-9700 50

TOR50 RSW-9700 50

RA 2K

C435 100U/35V

L7805CV

1

Vin

IC403 +5V

3

TO FAN2

K1-2

TO FAN2

103/1KV

!

R411 470R

GND

R410 3K

!

TO FAN1 C434 100U/35V

ZD3 6.8V/1W

ZD4 6.8V/1W

24V

TO FAN1

3 RB 2K

2

C431 470U/50V

IC402 +5V L7805CV

2

D2

Vin

GND

1

+22V

R101 200K/0.5W D101-D104

!

C103 C104 C105 1000U/50V 1000U/50V 1000U/50V

AC IN 220V~ 50/60HZ

K1-1

6A/12A 250V FUSE F20AL 250V

R102 22K/0.5W

DZ1 22V/1W

POWER CABLE 16A250VAC

C102 564/630V

C4800 Power Schematic 1

2

3

4

A