JBL Grand Touring GTO75.2 Service Manual Download Page 19

1

2

3

4

5

6

A

B

C

D

6

5

4

3

2

1

D

C

B

A

R105A

220R

R104A

10K

2

3

1

4

SW100AA

R119A

1K

R100A

10K

C100A

22P

R103A

10K

R101A 10K

R115A

5.6K

C102A

CL823

R116A

5.6K

C103A

CL823

R102A

6.8K

1

3

2

VR100AA

A50K

4

6

5

VR100AB

A50K

LPF

FLAT

HPF

C108A

22P

CH1

R106A

47K

R112A

220R

6

7

5

8

SW100AB

R120A

1K

R107A

10K

C101A

22P

R110A

10K

R108A 10K

R117A

5.6K

C104A

CL823

R118A

5.6K

C105A

CL823

R109A

6.8K

7

9

8

VR100AC

A50K

10

12

11

VR100AD

A50K

LPF

FLAT

HPF

C109A

22P

CH2

R114A

47K

R113A

10K

CH1

CH2

DW GNO:

PART NO:

PART NAME:

PRODUCT MODE:

SCALE:       1:1

UNIT:          MM

SIZE:           A4

REV:            1.0

DRAWN BY: 

CHECKED BY:

APPROVED BY:

DATA:

DATA:

DATA:

PRE

JBL GTO752

C106

124

C107

563

R127

27K

+V

-V

C131

124

C130

563

R128
27K

LED2

LED

R111

1K

R106

1K

+V

-V

4

6

5

VR101B

B5K

1

3

2

VR101A

B5K

R100
22K

R101
22K

3

2

1

U100A

4558

3

2

1

U101A

4558

3

2

1

U102A

4558

5

6

7

8

4

U100B

4558

5

6

7

8

4

U101B

4558

5

6

7

8

4

U102B

4558

-V

+V

-V

+V

3

2

1

U103A

4558

5

6

7

8

4

U103B

4558

-V

+V

CH2SG

CH1SG

C205
104P

C208
104P

C209

104P

C203
10P

C202
104P

V+

R207

10K

R201

22K

C216

220U/25VNP

C218

100P

R208

10K

R200

10K

INPUT

C200

W22U/50V

C214

CC10P

C219

100P

C201

W22U/50V

R202

10K

R209

10K

R204

22K

C217

220U/25NP

C220

100P

R211

10K

R203

10K

INPUT

C206

W22U/50V

C215

CC10P

C221

100 P

C207
W22U/50V

R205

10K

-V

+V

3

2

1

U201A
NJM4558

5

6

7

8

4

U201B

NJM4558

1

2

CH1-in

5

6

CH2-in

FL

FR

R224
4K7

R229

4K7

1

3

2

VR200A B20K

4

6

5

VR200B

B20K

R210

4K7

R241
300R

R230
4K7

R231

300R

C227

10P

C222

100P

C225

100P

5

6

7

8

4

U202B

NJM4558

3

2

1

U202A

NJM4558

-V

+V

CH2

CH1

3

4

R-OUT

7

8

L-OUT

R323

56K

R320

56K

R221 56K

R222 56K

C224

100/P

C223

100/P

R226

1K

R227

1K

C211

W22U/50V

C212

W22U/50V

R217

100K

R216

100K

3

2

1

U200A

NJM4558

5

6

7

8

4

U200B

NJM4558

+V

-V

FR

FL

FR

FL

3

2

1

U302A

NJM4558

R314
10K

R312
10K

R313

10K

V-

V+

5

6

7

8

4

U302B

NJM4558

R315

10K

R316
10K

ECN NO

DESCRIPTON

DATA

APPROVED

zeng xin hua

2007/07/17

C130A

100/P

C130B

100/P

Output

Output

18

 

 

GTO752 

            

 

 

 

 

 

 

 

  

 
 

Summary of Contents for Grand Touring GTO75.2

Page 1: ...GTO752 2 CHANNEL POWER AMPLIFIER SERVICE MANUAL JBL Consumer Products 250 Crossways Park Dr Woodbury New York 11797 Rev1 1 2008 Released 2007 Discontinued XXXX...

Page 2: ...z 3dB THD N 1KHz LPF 22KHz 0 07 rated power 4 ohms Channel Separation 45db full rated power Input Impedance 20K ohms Maximum input signal 6 0V Maximum sensitivity 100mV Hi Pass Low Pass X over Limits...

Page 3: ...GTO752 2...

Page 4: ...1x 4x 1x 0 1 2 8 7 6 5 9 3 A A B C D E A B C 12 1 4 310mm 10 3 8 263mm 2 1 8 53mm 4 C B 3 GTO752...

Page 5: ...to the RCA outputs from the source unit or signal processor 5 Input Level Control Used to match the input level of the amplifier to the output level of the source unit See B for the adjustment proced...

Page 6: ...Turn source OFF Disconnect RCA cables at amplifier If noise stops check equipment cables leading to amplifier Verify A RCA cables are of good quality with no breakage to internal shields B RCA cables...

Page 7: ...Trans Clamp Trans Clamp Trans Clamp Front Plate RCA Cap Red RCA Cap Wht Standoff 1380 0206 00 EXPLODED VIEW 6 GTO752 Part Number Part Number...

Page 8: ...ABLE LPF HPF 32Hz 320Hz 12dB 10 100K 32 320 MODE HP FLAT LP VARIABLE LPF HPF 32Hz 320Hz 12dB 10 100K 50 10 100K 50 BASS BOOST VARIABLE 0dB 6dB 50Hz BASS BOOST VARIABLE 0dB 6dB 50Hz AMP AMP MAIN AMP FR...

Page 9: ...W 22K 1 2 R204 R201 0703 1103 03 Resistor 1 8W 10K 1 13 R316 R315 R314 R313 R312 R211 R209 R208 R207 R205 R203 R202 R200 0703 1472 03 Resistor 1 8W 4 7K 1 4 R229 R224 R230 R210 0703 1562 03 Resistor 1...

Page 10: ...Transistor MPSA13 0 5A 30V NPN TO 92 2 Q3C Q3B 03N1 667A 01 Transistor 2SD667AC 1A 120V 0 9W NPN TO 92 2 Q5C Q5B 03P1 1023 01 Transistor 2SA1023 TO 92 PNP 1 Q19 03N1 35CW 26 Transistor TIP35CW NPN T0...

Page 11: ...02 resistor SMD 1K 1 4W 5 1206 8 R1 R2 R3 R4 R5 R6 R7 R8 Capacitors 06D211054104 Cap electro 1uF 25V 20 4 7 105C 1 C3 06D211074101 Cap electro 100UF 25V 6 3 7mm 5mm 20 105C 1 C27 06D212273001 Cap ele...

Page 12: ...GTO752 11...

Page 13: ...12 GTO752...

Page 14: ...13 GTO752...

Page 15: ...3 9K1 4W AC C58 2200U 35V C59 2200U 35V D5 FR104 D6 FR104 D8 FR104 D9 FR104 C38 47U 50V C55 47U 50V C56 104P C57 104P 6 6 5 5 F1C 30A R62 270 2W R63 270 2W SPEAKER OUT D11 IN4148 D14 4148 D15 4148 C2...

Page 16: ...0K R8 NC R26 1K R4 100K R24 12K R23 10K R12 100K C22 220 16V R18 22K R5 6K8 R3 330K R51 6K8 R15 1K 12 Q1 C1815 R7 18K DW GNO PART NO PART NAME PRODUCT MODE SCALE 1 1 UNIT MM SIZE A4 REV PV DRAWN BY CH...

Page 17: ...820R R23B 820R Q7B C1815 R10B 10K C9B 1U 50V PRO R25B 4 7 0 5W C10B CL104 R12B 100R R7B 10K C6B 471 MUTE CH1SG R26B 5K6 C1B W10U 50V R6B 10K CH1OUT R5B 10K PRO VCC VCC CH1OUT MUTE CH1SG R20B 220R 1 4W...

Page 18: ...0R R23C 820R Q7C C1815 R10C 10K C9C 1U 50V PRO R25C 4 7 0 5W C10C CL104 R12C 100R R7C 10K C6C 471 MUTE CH2SG R26C 5K6 C1C W10U 50V R6C 10K CH2OUT R5C 10K PRO VCC VCC CH2OUT MUTE CH2SG R20C 220R 1 4W R...

Page 19: ...1B 4558 5 6 7 8 4 U102B 4558 V V V V 3 2 1 U103A 4558 5 6 7 8 4 U103B 4558 V V CH2SG CH1SG C205 104P C208 104P C209 104P C203 10P C202 104P V R207 10K R201 22K C216 220U 25VNP C218 100P R208 10K R200...

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