Sony HCD-HX7 Service Manual - Page 21
Block Diagram, AMP
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6-4. Block Diagram - AMP Section - H L-CH (Page 20) A/D CONVERTER IC701 (HX3/HX7) IC701 (HX5) 1 LIN 15 SCKI DOUT 12 BCK 11 LRCK 12 STREAM PROCESSOR IC705 (HX3/HX7) IC705 (HX5) 31 DATA 30 BCK 29 LRCK OUTL1 11 OUTL2 9 X702 49.152MHz CLOCK SHIFT IC703 (HX3/HX7) IC703 (HX5) CLOCK BUFFER IC709 (HX3/HX7) IC709 (HX5) SYSTEM CONTROLLER IC301 (4/5) S-MASTER DATA 43 S-MASTER SHIFT 42 S-MASTER LATCH 33 S-MASTER PG MUTE 47 S-MASTER SOFT MUTE 7 S-MASTER NSP MUTE 40 S-MASTER INIT 39 36 XFSIIN 48 XFSOIN OUTR1 6 OUTR2 4 21 SCDT 22 SCSHIFT 23 SCLATCH 20 PGMUTE 19 SOFTMUTE 18 NSPMUTE 27 INIT S-MASTER RST 45 S-MASTER SD 44 (HX3/HX7) DIGITAL POWER AMP IC707 4 PWM_A 6 PWM_B OUT_A 33 OUT_B 30 14 PWM_C 16 PWM_D OUT_C 25 OUT_D 22 /RST_AB /RST_CD /SD 5 15 3 DIGITAL POWER AMP IC707 2 BP 17 AP OUT_B 29 OUT_B 30 OUT_A 25 OUT_A 26 /SD /RST 43 DIGITAL POWER AMP IC708 2 DP 17 CP OUT_D 29 OUT_D 30 OUT_C 25 OUT_C 26 /SD /RST 43 (HX5) L.P.F. L.P.F. L.P.F. L.P.F. OVER LOAD DETECT Q702, 703 PROTECT DETECT Q701 OVER LOAD DETECT Q752, 753 J860 + -L +R - SPEAKER R-ch is omitted due to same as L-ch. SIGNAL PATH : AUDIO HCD-HX3/HX5/HX7 HCD-HX3/HX5/HX7 21 21
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