KS-FX725R

 

 

Arrangment of adjusting

VR402:Rch

VR401:Rch

 

 

Head amplifier board section (Reverse side) (Dolby NR level adj)

(Dolby NR Frequency response adj)

R411

C413

 

C419

C414

C416

 

C418

R412

R410

 

 

 

 

 

 

11

 

 

 

 

 

 

 

 

 

 

R416

C422

C421

 

 

 

 

R414

 

Q401

 

 

 

 

 

R415

 

 

 

1

 

 

 

 

 

R418

VR402

 

 

 

 

 

B410

B411

B407

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

21

 

 

 

 

 

 

 

 

 

 

R413

 

R401

 

 

B408

 

R420

R417

 

C417

 

T11

C424

 

 

 

Q403

 

 

 

FSMW1093A

 

 

 

 

 

 

 

 

 

 

C423

R426

B409

R424

B406

B403

2

CJ403

 

 

 

 

 

 

 

B404

D401

 

C425

D402

 

C415

 

R425

IC402

 

 

 

 

 

 

 

 

 

 

 

 

B413

1

 

 

 

 

 

C412

R408

B401

VR401

1C410

B402

IC401

31

C411

R423

B405

B412

CJ401

 

 

 

 

 

 

1

C409

C405

C406

R406

R405

C404

 

 

R407

C408

C407

C403

R404

 

 

 

C402

R403

R402

C401

R422

2

Q402

 

1

Information for using a car audio service jig

1.We're advancing efforts to make our extension cords common for all car audio products. Please use this type of extension cord as follows.

2.As a U-shape type top cover is employed, this type of extension cord is needed to check operation of the mechanism assembly after disassembly.

3.Extension cord : EXTKSRT002-18P ( 18 pin extension cord ) For connection between mechanism assembly and main board assembly.

Check for mechanism driving section such as motor ,etc..

Cassette mechanism

Disassembly method

1.Remove the bottom cover.

2.Remove the front panel assembly.

3.Remove the top cover .

4.Install the front panel.

5. Confirm that current is being carried by connecting an extension cord jig.

Note

Available to connect to the CP701 connector when in- stalling the front panel.

Extension cord

EXTKSRT002-18P

to Cassette mechanism

Main board

to Main board

Front panel assembly

EXTKSRT002-18P

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Image 20
JVC KS-FX725R service manual Arrangment of adjusting, Information for using a car audio service jig, Disassembly method