Sony KP-44PS2 - Page 70

DIODE
*
D2601 A-1 3
D2602 B-1 3
D2603 B-1 3
D2604 A-1 3
D2605 A-2 3
CRYSTAL
X2601 B-2
– 115 –
– 116 –
Schematic diagram
< E board
(ap)
PJED,
REGI CORRECTION
IC
IC2601 A-1
IC2602 B-1
IC2603 B-2
IC2604 A-2
IC2605 A-2
IC2606 A-2
IC2607 B-2
IC2608 B-3
IC2609 B-3
IC2610 B-1
IC2611 A-3
IC2612 B-3
IC2613 A-3
IC2614 A-3
IC2615 B-3
TRANSISTOR
*
Q2603 A-2 1
Q2607 B-2 2
Q2608 B-2 2
Q2609 A-2 1
Component
()
Side
Conductor
()
Side
• AP BOARD SEMICONDUCTOR LOCATION
Component
()
Side
Conductor
()
Side
*
: Refer to Terminal name of
semiconductors in silk screen
printed circuit (see page 79)
Component
()
Side
Conductor
()
Side
Component
()
Side
Conductor
()
Side
– AP BOARD – (Component Side)
(Conductor Side)
1
A
B
C
234
1
A
B
C
234
• AP BOARD WAVEFORMS
5
4
3
2
4.9 Vp-p (8.9 MHz)
1
6
4.9 Vp-p (H)
4.9 Vp-p (V)
4.9 Vp-p (V)
0.9 Vp-p (15.5 MHz)
4.9 Vp-p (500 kHz)
![
!-
0
9
8
1.0 Vp-p (V)
!=
0.9 Vp-p (V)
1.3 Vp-p (V)
1.9 Vp-p (V)
1.4 Vp-p (V)
2.1 Vp-p (V)
7
2.7 Vp-p (12 MHz)