DOWNLOAD Harman Kardon AVR 145 (serv.man3) Service Manual ↓ Size: 18.96 MB | Pages: 127 in PDF or view online for FREE

SYMPTOM

CAUSE

SOLUTION

Unit does not function when Main

• No AC Power

• Make certain AC power cord is plugged into 

Power Switch is pushed

a live outlet

• Check to see whether outlet is switch-controlled

Display lights, but no sound

• Intermittent input connections

• Make certain that all input and speaker connections 

or picture

are secure

• Mute is on

• Press Mute Button

• Volume control is down

• Turn up volume control

No sound from any speaker;

• Amplifier is in protection mode 

• Check speaker wire connections for shorts at receiver and 

light around power switch is red

due to possible short

speaker ends 

• Amplifier is in protection mode 

• Contact your local Harman Kardon service center

due to internal problems

No sound from surround or

• Incorrect surround mode

• Select a mode other than Stereo

center speakers

• Input is monaural

• There is no surround information from mono sources

• Incorrect configuration 

• Check speaker mode configuration                                       

• Stereo or Mono program material

• The surround decoder may not create center- or rear-channel 

information from nonencoded programs

Unit does not respond to

• Weak batteries in remote

• Change remote batteries

remote commands

• Wrong device selected

• Press the AVR selector

• Remote sensor is obscured

• Make certain front panel sensor is visible to remote

or connect an optional remote sensor

Intermittent buzzing in tuner

• Local interference

• Move unit or antenna away from computers, fluorescent 

lights, motors or other electrical appliances

Letters flash in the channel indicator

• Digital audio feed paused

• Resume play for DVD

display and digital audio stops

• Check that Digital Input is selected

In addition to the items shown above, additional information on troubleshooting possible problems with your AVR 145, or installation-related issues, may
be found in the list of "Frequently Asked Questions" which is located in the Product Support section of our Web site at www.harmankardon.com.

AVR 145 OM (New)  8/4/06  1:19 PM  Page 45

harman/kardon

AVR 145/230 service manual

Page 5 of 135

NO

DESCRIPTION

PARTS NO.

Q,ty

1

2

3

4

5

1

ACCESSORY-1

BOX,OUT CARTON

5

6

1

3

DESCRIPTION

NO

CPS4A564

CQXAVR145/230

CPG1A820W

1

1

1

Q,ty

PARTS NO.

CPS4A565

SNOW,PAD(R)

4

1

1. Instruction manual ass'y - Accessories

2. Package Drawing

7

1

1

SNOW,PAD(L)

AVR145/230

SET

AVR145/230SET

1

FM 1 POL ANT

CSA1A018Z

1

1

NO

DESCRIPTION

PARTS NO.

Q,ty

9

10

11

12

13

1

CPB1061Y

POLY BAG

CQX1A1135Y

MANUAL,INSTRUCTION

MANUAL ,SETUP GUIDE

1

1

BOOKLET,INFORMATION

CQE1A180Z

1

STAPLE

CPL0905

3

ACCESSORY-2

ACCESSORY-1

CPB1061Y

POLY BAG

CSA1A027Z

AM LOOP ANTENNA ASS'Y

1

CABR03P3

BATTERY

3

COVER ASS'Y

CGRAVR130/230ZA

POLY BAG

1

12

7

2

3

AM LOOP ANTENNA ASS'Y

BATTERY  ASS'Y

4

FM 1 POLE ANT

5

COVER ASS'Y

6

BOOKLET,INFORMATION

9

MANUAL INSTRUCTION

10

MANUAL SETUP CODE

11

1

1

CGR1A332M7H43

CQE1A220Z

CPS1A676

1

CPB1A176Z

1

1

2 

3

4

5

CGR1A331M7H43

1

PAD , COVER

COVER A

COVER B

SHEET,FRONT COVER

BAG , POLY

ACCESSORY-2

CQXAVR145/230

CQX1A1138X

13

1

IMAGE BROCHURES

HQE1A273Z

IMAGE BROCHURES

STAPLE

POLY BAG

ACCESSORY-1

1

SNOW PAD (R)

3

BOX ,OUT CARTON

5

SET

4

SNOW PAD (L)

2

ACCESSORY-2

6

REMOCON

TRANSMITTER ASS'Y

2

6

STAPLE

8

8

STAPLE

CPL0905

3

REMOCON ASS'Y

CARTAVR145/230

1

harman/kardon

AVR 145/230 service manual

Page 6 of 135

1

2

1

1. Removing the Top Cabinet

 Remove the Screws

5

4

6

DISASSEMBLY

~

13

11

10

7

9

13

3

12

8

7

5

6

8

9

4

3

2

1

 Remove the Screws

2. Removing the Front Panel

1

9

~

6

3

4

7

 Remove the Screws

4. Removing the Main PCB

1

2

5

~

1

7

~

1

25

 Remove the Screws

3. Removing the Rear Panel

AVR145/230

25

10

9

8

19

7

6

5

20

21 22

16

15

4

3

2

1

17 18

23

24

11 12

13

14

harman/kardon

AVR 145/230 service manual

Page 7 of 135

 

1  TOP-CABINET (21) REMOVAL 
 

1. Remove 13 screws (S1,S7) and then remove the Top-cabinet. 

 
2    FRONT PANEL ASS’Y REMOVAL 
 

1. Remove the Top-cabinet, referring to the previous step 1. 
2. Disconnect the card cable between connector (CN72-17p) on the FIP PCB (37-1) and connector (CN72) on the Input PCB (39-1). 
3. Disconnect the lead wire (BN81-8P) on the FIP PCB (37-1) from connector (CN81) on the Trans PCB (40-4). 
4. Disconnect the lead wire (BN22-6P) on the Phone PCB (37-5) from connector (CN22) on the Input PCB (39-1). 
5. Disconnect the lead wire (BN18-5P) on the Phone PCB (37-5) from connector (CN18) on the Input PCB (39-1) 
6. Disconnect the lead wire (BN10-4P) on the Volume PCB (37-6) from connector (CN10) on the Input PCB (39-1) 
7. Disconnect the lead wire (BN41-6P) on the Volume PCB (37-6) from connector (CN41) on the Video PCB (41) 
8. Remove 1 screw (S10) and then lead wire (JW82-1P,JW83-1P) on the Phone PCB (37-5). 
9 .Remove 1screw (S10) and then lead wire (JW84-1P) on the Volume PCB (37-3). 
10. Remove 10 screws (S1) and then remove the Front Panel ASS’Y. 
 

3    VOLUME PCB (37-6) REMOVAL 
 
    1. Remove the Top-cabinet, referring to the previous step 1. 

2. Remove the Front Panel ASS’Y, referring to the previous step 2. 
3. Pull out the Volume Knob ASS’Y. 
4. Disconnect connector (CN84) on the Volume PCB (37-6) from the lead wire (BN84-5P) on the FIP PCB (37-1). 
5. Remove 8 screws (S2,S14), and then remove the Volume PCB (37-6). 

 

4    PHONE PCB (37-5) REMOVAL 
 
    1. Remove the Top-cabinet, referring to the previous step 1. 

2. Remove the Front Panel ASS’Y, referring to the previous step 2. 
3.. Disconnect    connector (CN85)on the Phone PCB (37-5) from the lead wire (BN85-2P) on the FIP PCB (37-1). 
4. Remove 2 screws (S2) and then remove the Phone PCB (37-5). 
 

5    POWER LED PCB (37-3) REMOVAL 
 
    1. Remove the Top-cabinet, referring to the previous step 1. 

2. Remove the Front Panel ASS’Y, referring to the previous step 2.   
3. Disconnect connector (CN88) on the Power Led PCB (37-3) from the lead wire (BN88-4P) on the FIP PCB (37-1) . 
4. Remove 2 screws (S2) and then remove the Power led PCB (37-3). 
 

6  FIP PCB (37-1) REMOVAL 
 
    1. Remove the Top-cabinet, referring to the previous step 1. 

2. Remove the Front Panel ASS’Y, referring to the previous step 2.     
3. Disconnect the lead wire (BN84-5P) on the FIP PCB (37-1) from connector (CN84) on the Volume PCB (37-6). 
4. Disconnect the lead wire (BN85-2P) on the FIP PCB (37-1) from connector (CN85) on the Phone PCB (37-5). 
5. Disconnect the lead wire (BN88-4P) on the FIP PCB (37-1) from connector (CN88) on the Power Led PCB (37-3). 
6. Disconnect the connector (CN89) on the FIP PCB (37-1) from lead wire (BN89-4P) on the Key PCB (37-2). 
7. Remove 3 screws (S2) and then remove the Guide PCB (37-8) & the FIP PCB (37-1). 
 

7    KEY PCB (37-2) REMOVAL 
 
    1. Remove the Top-cabinet, referring to the previous step 1. 

2. Remove the Front Panel ASS’Y, referring to the previous step 2.     
3. Remove the FIP PCB (37-1), referring to the previous step6. 
4. Remove 10 screws (S2) and then remove the Key PCB (37-2). 
 

harman/kardon

Page 8 of 135