Sony HCD-DH7BT Service Manual - Page 49
Schematic, Diagram, Input/output
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TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com Q Q 3 7 6 3 1 5 1 5 6-27. SCHEMATIC DIAGRAM - INPUT/OUTPUT Section - • See page 57 for IC Block Diagrams. 0 HCD-DH3/DH5BT/DH7BT 892498299 J703 PHONES J702 AUDIO IN (CHASSIS) W701 C747 0.022 C751 0.022 C746 0.022 C745 0.022 R746 0 FB742 0 FB743 0 FB741 0 R745 0 R742 1k R744 100k C744 470p FB744 0 R743 100k C743 470p C749 0.1 C748 0.1 R741 1k D701 UDZSNPTE -175.1B R733 100 C722 47 25V R734 100 R722 100 R723 100k C723 47 25V C725 0.0047 VR702 50K ECHO LEVEL C724 0.047 R724 22k R726 C728 22k 0.047 R725 R727 22k 22k C732 0.022 C726 0.001 C727 1 50V CN701 9P(DH7BT) 13P(DH3/DH5BT) HP DET AUDIO DET HP L HP GND HP R HP GND A IN L A GND A IN R MIC DET +11V MIC SCORE MIC R735 22 R715 22 GND LPF2OUT LPF2IN OP2OUT OP1IN OP2IN REF LPF1OUT CLOCK VCC NC J701 MIC TEL OP1OUT C730 0.1 (DH3/DH5BT) R701 10k DIGITAL ECHO IC702 M65850FP-E R721 47k C729 2.2 50V CC2 CC1 LPF1IN NC JR701 C752 1 3 9 4 2 2 9 6 5 1 3 0 C701 0.01 0.001 QQ R702 10k R703 4.7k R739 1k R732 1k Q703 2SC3052F MUTING C735 1 R731 220k R729 4.7k (DH3/DH5BT:AUS,SP) C715 0.001 R719 R720 22k 22k R718 22k C714 1 50V C717 C718 C719 0.047 0.47 0.47 C720 0.1 R728 10k R716 22 C731 0.022 C716 0.0047 ∗R714 22k(DH5BT:CND,AEP) 100k(DH3/DH5BT:AUS,SP) C710 47 25V R717 2.2k C702 0.22 50V C704 0.001 C703 47p R704 100k R705 1k IC701(1/2) NJM4558M 5 7 6 4 MIC AMP R706 47k R740 100k C705 470p Q701 2SC3052F BUFFER C706 0.47 50V R707 100 VR701 50K MIC LEVEL C713 1 50V C707 1 50V R708 10k C708 47p R730 470k R714 ∗ R709 100k IC701(2/2) NJM4558M 8 2 1 3 R711 10k R713 100k C709 47p R738 R737 47k 47k C734 10 50V R710 100 R712 10k C711 220 10V (Page 41) CN702 9P(DH7BT) 13P(DH3/DH5BT) MIC MIC SCORE +11V MIC DET A IN R A GND A IN L HP GND HP R HP GND HP L AUDIO DET HP DET R226 4.7 (DH3/DH5BT) MIC MIC SCORE HP IN L MIC DET A IN R A IN L HP R HP IN R HP L AUDIO DET HP DET R371 4.7k R372 4.7k Q315 2SC3052F MUTING Q316 2SC3052F MUTING C344 1 50V CN309 11P(DH7BT) 13P(DH3/DH5BT) R393 10k R394 10k R379 4.7k C343 1 50V C329 220p R373 100k HP MUTE HP DET A IN L A GND A IN R AUDIO DET HP IN R HP GND HP IN L +11V MIC DET MIC SCORE MIC (DH3/DH5BT) HP MUTE HP DET A IN L A IN R AUDIO DET HP IN R HP IN L MIC DET MIC SCORE MIC R374 100k IC303 NJM4580MD Q211 2SC3052F RIPPLE FILTER C330 220p HEADPHONE AMP R231 4.7k R234 22k R232 2.2k C231 220 16V R233 2.2k C232 C233 100 100 16V 16V R380 4.7k C234 0.1 GND VCC R377 10k R378 10k HP MUTE C347 220 10V Q309 RT1P141C R246 47k C274 0.1 Q310 RT1N141C Q309,310 MUTING CONTROL SWITCH C348 220 10V R383 47 R387 10k R385 4.7k R386 4.7k R388 10k R384 47 HP L Q307 2SC5938 MUTING Q308 2SC5938 MUTING HP R 376315150 CN850 3P (Page 47) CN870 2P (Page 47) C851 470p C852 470p C853 470p C854 470p 892498299 R J860 SPEAKER L www . x ia o y u 1 6 3 . c o m HCD-DH3/DH5BT/DH7BT 49 49 http://www.xiaoyu163.com
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