JVC AV32D503
Instrukcja Serwisowa

AV-32D503 AV-32D303 AV-32D203

SPECIFIC SERVICE INSTRUCTIONS
DISASSEMBLY PROCEDURE
REMOVING THE REAR COVER
" Unplug the power plug. 1. As s hown in Fig.2, remove the

REMOVING THE SPEAKER
" After removing the rear cover and chassis base. 1. As s hown in Fig.2, r emove the

12 screws marked !.

4 screws marked ) .

2. Remove the rear c over toward you. Note : When reinstalling the rear cover, c arefully pus h it inward after inserting the chassis into the rear c over groove.

2. Follow the s ame steps when removing the other hand speaker.

CHECKING THE MAIN PW BOARD
1. To check the backs ide of the MAIN PW Board. (1) Pull out the c hassis base. (Refer to REMOVING THE CHASSIS BASE). (2) Erect the chassis vertic ally so that you can easily chec k from the backside of the MAIN PWB.

REMOVING THE CHASSIS BASE
" After removing the rear cover. remove the 1. Slightly raise the both s ides of the chassis base by hand, and

2 claws

marked " (Fig.1 and Fig.2) under the both

sides of the chassis from the chassis rail. 2. As shown in Fig.1, draw the chassis base backward along the chassis rail marked # in the arrow direction marked $(Fig.2.). (If necess ary, detac h the wire clamp, connec tor�s etc.) Note : When conducting a c hec k with power supplied, be sure to confirm that the CRT earth wire is c onnected to the CRT SOCKET PWB and the MAIN PWB.

CAUTION
" When erecting the chass is, be c areful so that there will be no contacting with other PWB. " Before turning on power, make sure that the CRT earth wire and other connectors are properly connected.

WIRE CLAMPING AND CABLE TYING
1. Be sure to clamp the wire. 2. Never remove the c able tie used for tying the wires together. Should it be inadvertently removed, be sure to tie the wires with a new c able tie.

REMOVING THE TERMINAL BOARD
" After removing the rear cover. 1. As s hown in Fig.2, remove the

4 screws marked%& . %&

2. When you pull out the TERMINAL BOARD, it can be removed. FRONT CABINET

REMOVING THE FRONT CONTROL PW BOARD
" After removing the rear cover and chassis base . 1. As s hown in Fig.2, remove the

MAIN PWB

2 screws

marked ' attached the

FRONT CONTROL PWB with the front cabinet. 2. Then remove the FRONT CONTROL PWB.

C REMOVING THE FRONT AV IN PW BOARD
" After removing the rear cover and chassis base. 1. As s hown in Fig.2, remove the

2 screws marked ( .
CHASSIS BASE

2. Then remove the FRONT AV IN PW B.

B
Fig. 1

8

No. 51947