Printed Wiring Boards - Sony KP-HR432K90 Service Manual

6-4. PRINTED WIRING BOARDS

A
[ TUNER, VIDEO, AUDIO, SYSTEM CONTROL ]
– A Board –
A BOARD
DIODE TRANSISTOR
* *
D1 E-2 Q1 I-9
3 2
D317 C-3 3 Q3 G-10 2
A
D318 C-3 3 Q7 D-12 2
D319 E-2 3 Q11 F-1 2
D701 D-12 9 Q12 H-10 2
D704 D-12 9 Q13 I-11 2
D705 A-12 3 Q21 D-13 2
D710 F-11 Q302 G-8
9 2
D711 E-9 Q303 H-8
9 2
B
D712 F-9 Q305 G-7
9 2
D713 E-9 Q307 E-5
9 2
D718 B-10 Q308 E-7
3 2
D720 B-8 Q310 E-6
2
D721 A-9 Q311 E-6
D725 A-12 Q312 E-7
3 2
C
D726 A-12 3 Q313 D-4 2
D729 B-11 3 Q320 E-6 2
D730 D-6 3 Q324 E-5 2
Q325 G-4 2
IC
Q326 G-4 2
IC1 B-6
Q327 H-4
2
IC2 B-6
Q328 G-4
2
IC3 D-1
D
Q329 G-4
2
IC4 H-9
Q330 H-4
2
IC5 A-2
Q332 H-5
2
IC6 H-9
Q333 H-5
2
IC7 A-2
Q334 H-5
2
IC8 E-4
Q337 G-4
2
IC9 E-1
Q338 H-4 2
E
IC10 B-2
Q339 H-4 2
IC11 B-2
Q341 F-7 2
IC12 C-5
Q343 C-4 2
IC301 F-5
Q344 I-4 2
IC302 F-8
Q347 C-4
2
IC303 H-7
Q349 D-4
2
IC304 D-8
F
Q351 C-4
2
IC305 H-4
Q352 D-4
2
IC306 I-5
Q353 C-4
2
IC307 G-4
Q355 C-4
2
IC308 D-3
Q367 C-3
2
IC309 C-3
Q369 D-2
2
IC310 F-8
Q374 C-3 2
IC311 F-7
G
Q378 D-2 2
IC312 G-4
Q379 E-3 2
IC701 D-11
Q703 F-9 2
IC702 D-10
Q712 I-13 2
IC703 D-10
Q713 I-13
2
IC704 F-10
Q715 G-9
2
IC705 D-5
Q716 G-10
2 H
IC706 D-6
Q717 C-10
2
IC707 B-10
Q718 B-11
2
IC708 A-11
Q722 B-12
2
IC709 B-4
Q723 B-12
2
IC710 A-4
Q724 D-6
2
IC711 B-9
Q725 C-12 2
I
Q726 D-6 2
* : Refer to Terminal name of
semiconductors in silk screen
printed circuit (see page 49)
J
1 3 4
2
5 6 7 8
< Component Side >
– 82 –
KP-HR432K90/HR532K90/HR532N90/HW572K90
RM-Y909K RM-Y909K
9 10 11 12
RM-Y908 RM-Y909K
13 14