Sony GTK-X1BT Service Manual ▷ View online
GTK-X1BT
5
CAPACITOR ELECTRICAL DISCHARGE PROCESSING
When checking the board, the electrical discharge is necessary for
the electric shock prevention.
Connect the resistors referring to the fi gure below.
When checking the board, the electrical discharge is necessary for
the electric shock prevention.
Connect the resistors referring to the fi gure below.
• Connection position
1.
MAIN board (Ref. No. C560) (page 5)
2. SMPS
board
1. MAIN board (Ref. No. C560)
The MAIN board can be discharged by two kinds of following
methods.
1. Both ends of C560.
The MAIN board can be discharged by two kinds of following
methods.
1. Both ends of C560.
2. SMPS
board
The SMPS board can be discharged by two kinds of following
methods.
1. Both ends of C909.
methods.
1. Both ends of C909.
2. Heat sink (A931) and R914.
3. Heat sink (A932) and R914.
C560
800
:/2 W
C560
– MAIN Board (Conductor Side) –
A931
R914
0
:
A931
R914
– SMPS Board (Component Side) –
C909
– SMPS Board (Conductor Side) –
800
:/2 W
C909
A932
– SMPS Board (Component Side) –
0
:
R914
A932
R914
GTK-X1BT
6
BOND FIXATION OF ELECTRIC PARTS
When MAIN board and SMPS board is replaced or the following
object parts are replaced, it is necessary to fi x parts to the boards
by using a specifi ed bond without fail.
When MAIN board and SMPS board is replaced or the following
object parts are replaced, it is necessary to fi x parts to the boards
by using a specifi ed bond without fail.
• Object boards
1.
Complete MAIN board
2.
Complete SMPS board
• Object parts
Board
Ref. No.
SMPS
C904, C911, C931, C937, C948, R942, R943,
R944, R945, R947, R948, Q904, Q905, VDR900
R944, R945, R947, R948, Q904, Q905, VDR900
MAIN
C560, C653, C654, C699
• Use bond
Part No.
Description
7-432-912-52
BOND, SONY (SC-608LV)
• Parts position
1.
MAIN board (page 6)
2.
SMPS board (page 7)
1. MAIN
board
– MAIN Board (Component Side) –
C560
C699
C653
C654
The portion which applies bond:
Ver. 1.2
GTK-X1BT
7
2. SMPS
board
– SMPS Board (Component Side) –
A932
C931
C937
C911
C948
The portion which applies bond:
R942
R945
R944
R943
Q904
Q905
A931
C904
VDR900
R948
R947
GTK-X1BT
8
MAIN BOARD, BLUETOOTH MODULE AND RC-S801/A (WW) SERVICE POSITION
SMPS BOARD SERVICE POSITION
Note: Please spread a sheet under a unit
not to injure front grille.
– Top rear view –
MAIN board
SMPS board
RC-S801/A (WW)
BLUETOOTH module
Note: Please spread a sheet under a unit
not to injure front grille.
– Top rear view –
MAIN board
SMPS board
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