Ds Board - Sony KP-FX432M31 Service Manual

DS
[HV/ CONV. OUT]
— DS BOARD (CONDUCTOR SIDE) —
1
A
R9417 R9414
B
• DS BOARD SEMICONDUCTOR LOCATION
IC DIODE
( Component ) ( Conductor ) ( Component ) ( Conductor )
Side Side Side Side
*
IC9400 A-2
D9407 A-1 -
IC9401 A-4
D9409 A-1 -
* : Refer to Terminal name of semiconductors in silk
screen printed circuit (see page 89)
2 3
• DS BOARD WAVE FORMS
1
2 3
(V) (H)
6.5V 6.0V 2.0V
P-P P-P
7
(V)
37.4V
P-P
4 5
R9410 R9409
4
5 6
(H) 2.0V (H) (H)
1.1V 21.2V
P-P P-P P-P
– 110 –
(H)
P-P
KP-FX432M31/FX432M91/FX532M91
RM-998 RM-998 RM-998