Sony XR-4900, Service Manual

Page: 19 / 36

6-1. PRINTED WIRING BOARD — MAIN SECTION —
Ref. No. Location
• Semiconductor
Location
D1 F-1
D51 F-11
D52 E-11
D351 I-12
D352 G-13
D501 J-5
D551 F-12
D552 F-12
D553 I-9
D554 F-12
D571 D-10
D572 D-10
D581 G-11
D588 E-9
D591 G-11
D601 J-13
D610 D-11
D611 D-11
D613 D-11
D614 C-11
D621 E-6
D622 E-7
D623 E-6
D624 E-7
D701 J-3
D702 K-3
D704 K-3
D705 K-5
D706 K-5
D707 K-5
D708 K-5
D709 K-5
D710 J-3
D711 K-5
D721 D-8
D722 D-8
D723 D-8
D724 D-9
D731 B-7
D732 D-7
D733 D-7
D734 B-7
D781 D-13
IC21 E-3
IC301 H-4
IC331 D-5
IC351 I-12
IC501 I-7
IC551 K-12
IC611 E-14
IC751 B-7
Q51 E-11
Q52 E-11
Q121 G-4
Q151 G-6
Q171 A-4
Q181 A-3
Q252 G-6
Q251 G-6
Q271 A-3
Q281 B-3
Q351 H-13
Q352 H-12
Q353 H-12
Q354 H-12
Q551 I-10
Q571 D-9
Q581 G-11
Q583 F-9
Q591 F-11
Q592 F-10
Q601 J-13
Q602 J-12
Q621 F-7
Q622 F-7
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XR-4900
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Q Q
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