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Pioneer VSX-52TX Service Manual - Page 84

Power Amp-l Assy, Power Protect Assy, Power Amp

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1 SIDE B A 2 3 S POWER AMP-L ASSY R4325 R4324 R4579 C4577 R4577 R4328 C4328 R4326 C4326 R4323 13 C4327 R4327 CN4501 B 13.LS 12.AGLS 11.L 10.AGL 9.SBL 8.AGSBL 1 7.DC 6.OL 5.AMUTE C4307 R4306 C4306 C4316 1 C4302 R4305 R4304 R4303 R4301 CN4402 C4317 R4302 Q4301 6.CS 5.CS 4.CS 3.CG2 2.CG1 1.GAMP 4.-VH 3.-VH 2.+VH 1.+VH C4312 1 R4313 R4308 R4309 6 C4313 R4312 C Y3 R4482 R4483 R4331 R4333 10 R4310 R4311 R4345 R4316 R4315 D4306 D4304 D4303 D4301 D4302 D4307 R4314 Q4302 R4307 D4308 D4305 R4344 R4346 1 4 T PO LF POWER AMP_ AW AW AW Q4201 Y5 Y5 Y5 C4217 R4202 C4212 C4213 R4231 R4233 R4332 R4334 R4318 R4317 R4321 R4320 R4500 R4054 R4051 R4053 D Q4301 Q4302 Q420 R POWER PROTECT ASSY 1 01 C4053 R4056 C4052 R4055 0123 0123456789 B C 01 11 A C4056 3 E UP SIDE D4053 D4052 31 R4061 R4063 11.NC AWX8406 AWX8407 AWX8408 AWX 10.NC 9.GNDU 8.POSI_1 7.POSI_2 6.DC 5.OL 4.WT 3.NC 2.NC 1.NC POWER PROTECT ASSY LF CN4051 F RST 84 1 VSX-52TX 2 3 R4060 1 Q4052 NP Q4054 R4059 R4066 R4068 Q4053 R4058 R4069 R4067 11 1 C4054 R4064 R4065 C4055 R4057 R CMKM-P3X 8 5 1.NC 2.GAMP 3.GAMP 4.POSI_1 5.GNDU 6.POSI_2 7.POSI_2 8.DC 9.OL 10.WT 11.NC 1.V+FAN 2.V+FAN 3.V-FAN 4.V-FAN 5.LOCKDE 6.TEMP1 7.TEMP2 8.OLDET 9.DCDET 10.V-12A Q4051 1 4 IC4051 R4050 C4051 R4052 4

Section	Page
VSX-52TX	1
SAFTY INFORMATION	2
<グラフィック>	2
<グラフィック>	3
CONTENTS	3
CONTENTS	3
1. SPECIFICATIONS	5
2. EXPLODED VIEWS AND PARTS LIST	6
2.1 PACKING	6
2.2 EXTERIOR SECTION	8
2.3 CHASSIS SECTION	10
2.4 REAR PANEL SECTION	12
2.5 HEAT SINK SECTION	14
2.6 FRONT PANEL SECTION	16
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM	18
3.1 BLOCK DIAGRAM	18
3.1.1 AUDIO SECTION	18
3.1.2 VIDEO and DISPLAY SECTIONS	20
3.1.3 DSP SECTION	22
3.1.4 POWER SUPPLY SECTION	24
3.2 OVERALL WIRING DIAGRAM	26
3.3 MULTI CH I/O and AUDIO CONNECT ASSYS	28
3.4 COMPOSITE V ASSY	30
3.5 S VIDEO ASSY	32
3.6 COMPONENT ASSY	34
3.7 OPTICAL-IN,H.P,FRONT-IN,FRONT-IN CONNECT and 12VTRIG ASSYS	36
3.8 MAIN CONTROL ASSY (1/3)	38
3.9 MAIN CONTROL ASSY (2/3)	40
3.10 MAIN CONTROL ASSY (3/3)	42
3.11 DSP ASSY (1/2)	44
3.12 DSP ASSY (2/2)	46
3.13 VOLUME, DISPLAY and MULTI JOG ASSYS	48
3.14 POWER AMP IN and POWER PROTECT ASSYS	50
3.15 POWER AMP-L and POSI 1 L ASSYS	52
3.16 POWER AMP-R and POSI 1 R ASSYS	54
3.17 REGULATOR ASSY	56
3.18 TRANS 2-1, TRANS 2-2, DIODE, VH TR and SP/PS ASSYS	58
3.19 REAR TOP, TRANS SIDE, TRANS 1 and PRIMARY ASSYS	60
4. PCB CONNECTION DIAGRAM	62
4.1 MULTI CH I/O ASSY	63
4.2 AUDIO CONNECT ASSY	64
4.3 COMPOSITE V ASSY	65
4.4 S VIDEO ASSY	66
4.5 VIDEO SIDE and OPTICAL-IN ASSYS	67
4.6 COMPONENT ASSY	68
4.7 FRONT IN and FRONT-IN CONNECT ASSYS	69
4.8 MAIN CONTROL ASSY	70
4.9 DISPLAY ASSY	74
4.10 HEADPHONE, VOLUME and MULTI JOG ASSYS	76
4.11 POWER AMP IN ASSY	78
4.12 12V TRIGGER ASSY	79
4.13 DSP ASSY	80
4.14 POWER PROTECT, POWER AMP-L and POSI 1 L ASSYS	82
4.15 POWER AMP-R and POSI 1 R ASSYS	86
4.16 REGULATOR ASSY	90
4.17 SP / PS ASSY	94
4.18 TRANS 2-1, DIODE and VH TR ASSYS	96
4.19 TRANS SIDE ASSY	98
4.20 TRANS 2-2, TRANS 1 and PRIMARY ASSYS	100
4.21 REAR TOP ASSY	102
5. PCB PARTS LIST	103
6. ADJUSTMENT	113
7. GENERAL INFORMATION	114
7.1 DIAGNOSIS	114
7.1.1 PROTECTION CIRCUIT CONTROL SPECIFICATION	114
7.1.2 HOW TO DIAGNOSE THE AMPLIFIER SECTION	116
7.1.3 HOW TO DIAGNOSE THE UNIT WITH THE POWER AMPLIFIER SECTION REMOVED	117
7.1.4 DISASSEMBLY	120
7.1.5 TROUBLE SHOOTING OF THE DSP ASSY	124
7.2 PARTS	133
7.2.1 IC	133
7.3 CLEANING	142
8. PANEL FACILITIES	143
8.1 FRONT PANEL	143
8.2 DISPLAY	145

Match case Limit results 1 per page

VSX-52TX

R4307

R4306

R4202

D4307

R4314

R4320

D4306

D4305

R4312

R4231

R4331

R4332

R4482

R4346

R4301

R4310

R4308

R4313

R4345

R4344

D4308

Q4302

Q4201

Q4301

C4316

R4315

R4316

R4317

R4318

R4311

C4217

C4317

C4212

R4323

C4313

C4312

R4324

C4327

C4328

R4325

C4326

R4483

R4334

R4302

C4213

R4305

R4309

C4306

R4333

R4233

C4307

D4302

D4304

R4321

R4327

R4328

C4302

R4304

R4303

C4577

R4577

R4579

R4326

D4301

D4303

12.AGLS

3.-VH

POWER AMP_

4.-VH

5.AMUTE

10.AGL

8.AGSBL

13.LS

7.DC

9.SBL

2.+VH

11.L

6.OL

1.+VH

6.CS

5.CS

4.CS

3.CG2

2.CG1

1.GAMP

123456789

123

C4054

R4065

Q4052

IC4051

R4060

Q4053

R4500

R4061

D4052

R4064

D4053

C4051

R4054

C4052

R4055

R4056

R4051

R4058

C4053

R4059

R4053

R4052

R4057

C4055

R4067

R4050

R4063

Q4051

R4069

R4068

R4066

Q4054

C4056

AWX8407

AWX8408

AWX8406

4.V-FAN

2.V+FAN

8.OLDET

7.TEMP2

6.TEMP1

6.DC

3.V-FAN

CMKM-P3X

1.V+FAN

5.LOCKDE

POWER PROTECT ASSY

AWX

10.V-12A

9.DCDET

7.POSI_2

6.POSI_2

5.GNDU

4.POSI_1

3.GAMP

2.GAMP

1.NC

8.DC

9.OL

10.WT

11.NC

5.OL

2.NC

4.WT

3.NC

1.NC

9.GNDU

10.NC

11.NC

8.POSI_1

7.POSI_2

UP SIDE

SIDE B

POWER AMP-L ASSY

Q4301

Q4302

Q420

CN4501

CN4402

POWER PROTECT ASSY

CN4051