Pioneer SC-LX73 Service Manual Download

Page: 4 / 18

SC-LX83

F DAC HIGH ASSY

AWX9622 and AWX9711 are constructed the same except for the following:

F DAC LOW ASSY

AWX9658 and AWX9659 are constructed the same except for the following:

F DIGITAL MAIN ASSY

AWX9620 and AWX9627 are constructed the same except for the following:

Mark

Symbol and Description

AWX9622

AWX9711

Remarks

D2130

1SS302

Not used

JA2101 Socket

BKP1127

Not used

R2133, R2134, R2144, R2145

Not used

RS1/10SR0R0J

R2231-R2233

Not used

RS1/10SR0R0J

R2135

RS1/10SR0R0J

Not used

R2142, R2143

RS1/10SR331J

Not used

R2140, R2141

RS1/10SR474J

Not used

R2492

RS1/8SQ105J

RS1/8SQ474J

C2124, C2126

CKSRYB103K50

Not used

C2006, C2010-C2015, C2122

CKSRYB104K16 CKSRYB104K50

C2446, C2480

CKSRYB104K16 CKSRYB104K50

C2020, C2023, C2027, C2028

CKSSYB104K10 CKSSYB104K16

C2033, C2047, C2106, C2176

CKSSYB104K10 CKSSYB104K16

C2183, C2429, C2482

CKSSYB104K10 CKSSYB104K16

C2127, C2128

CEAT220M50

Not used

Mark

Symbol and Description

AWX9658

AWX9659

Remarks

D2130

1SS302

Not used

JA2101 Socket

BKP1127

Not used

R2130-R2134, R2144, R2145

Not used

RS1/10SR0R0J

R2135

RS1/10SR0R0J

Not used

R2140, R2141

RS1/10SR474J

Not used

R2142, R2143

RS1/10SR331J

Not used

C2124, C2126

CKSRYB103K50

Not used

C2127, C2128

CEAK220M50

Not used

Mark

Symbol and Description

AWX9620

AWX9627

Remarks

IC1809

TC74VHC157FK

Not used

IC1801

AAT4614AIGU-2

Not used

IC1806

TC74VHC125FK

Not used

IC1808

TC74LCX157FK

Not used

IC1816

NJM2872BF33

Not used

IC1803

BU9450KV

Not used

D602, D604

1SS352

Not used

D1801, D1802

HZU5R6(B2)

Not used

L1801, L1802, L1806, L1808

QTL1013

Not used

L1811 Chip Solid Inductor

QTL1013

Not used

X1801 Crystal

ASS7095

Not used

JA1801 4p Socket

AKP7201

Not used

R1805

Not used

RS1/10SR0R0J

R1856, R1857, R1859, R1860

Not used

RS1/16SS0R0J

R1907, R1909, R1910

Not used

RS1/16SS0R0J

R724, R725, R738

Not used

RS1/16SS101J

R1823, R1828

RS1/10SR101J

Not used

R1814

RS1/10SR104J

Not used

R1818

RS1/16SS0R0J

Not used

R739, R1806, R1807, R1819

RS1/16SS101J

Not used

R1820, R1824-R1827, R1829

RS1/16SS101J

Not used

Summary of Contents for SC-LX73

Page 1: ...44 AUDIO VIDEO MULTI CHANNEL RECEIVER SC LX83 SC LX73 THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL S AND TYPE S This service manual should be used together with the following manual s For SPECIFICATIONS and PANEL FACILITIES refer to the operating instructions Model Type Porew Requirement The voltage can be converted by the following method SC LX83 AXJ5 AC 220 V to 230 V 240 V With the voltage ...

Page 2: ... P107 10 2 AUDIO ASSY AWX9647 AWX9735 AWX9735 P107 12 1 DIGITAL MAIN ASSY AWX9620 AWX9627 AWX9628 P107 13 1 DAC HIGH ASSY AWX9622 AWX9711 Not used P107 14 1 DAC LOW ASSY Not used Not used AWX9659 P107 15 1 COMPONENT ASSY AWX9654 AWX9654 AWX9656 P109 1 1 ICEPOWER AMP ASSY AWH7024 AWH7031 AWH7033 NSP 1 INTERFACE_REG ASSY AWR7085 AWR7096 AWR7096 P109 4 2 INTERFACE ASSY AWX9605 AWX9701 AWX9701 NSP 1 M...

Page 3: ...39 Not used Not used P109 9 Fuse FU4 4 A Not used REK1104 REK1104 P109 10 Fuse FU21 FU22 FU31 FU32 1 25 A REK1143 Not used Not used P109 10 Fuse FU21 FU22 FU31 FU32 T 800 mA Not used AEK7072 AEK7072 P109 11 Fuse FU51 FU52 1 6A REK1144 Not used Not used P109 11 Fuse FU51 T 1 25 A Not used AEK7074 AEK7074 P109 12 Fuse FU1 10 A VEK1029 Not used Not used P109 12 Fuse FU1 T5 A Not used AEK1061 AEK1061 ...

Page 4: ...CEAT220M50 Not used Mark Symbol and Description AWX9658 AWX9659 Remarks D2130 1SS302 Not used JA2101 Socket BKP1127 Not used R2130 R2134 R2144 R2145 Not used RS1 10SR0R0J R2135 RS1 10SR0R0J Not used R2140 R2141 RS1 10SR474J Not used R2142 R2143 RS1 10SR331J Not used C2124 C2126 CKSRYB103K50 Not used C2127 C2128 CEAK220M50 Not used Mark Symbol and Description AWX9620 AWX9627 Remarks IC1809 TC74VHC1...

Page 5: ...1 CCSSCH8R0D50 Not used C1807 CEVLW101M10 Not used C1803 C1844 CEVW101M16 Not used C9807 C9808 CKSQYB104K25 CKSQYB104K50 C1854 CKSQYB225K10 Not used C9817 C9823 C9850 CKSRYB104K16 CKSRYB104K50 C1804 CKSRYB104K16 Not used C1801 CKSRYB105K10 Not used C632 C661 C937 C946 CKSSYB104K10 CKSSYB104K16 C969 C976 C1296 C1341 CKSSYB104K10 CKSSYB104K16 C1362 C1367 C1370 C1385 CKSSYB104K10 CKSSYB104K16 C9043 C...

Page 6: ...02 L9504 L9505 ATF1211 Not used L9511 Chip Beads Not used ATL7010 L101 L604 L605 L1801 QTL1013 Not used L1802 L1806 L1808 L1809 QTL1013 Not used L1811 L9021 L9201 QTL1013 Not used L9203 L9205 L9503 QTL1013 Not used L9506 L9510 L9811 QTL1013 Not used L106 L9512 Not used QTL1013 L9202 Inductor CTF1357 Not used X102 Crystal 27 MHz Not used ASS7092 X1801 Crystal ASS7095 Not used X9501 Crystal ASS7098 ...

Page 7: ...01J Not used R1807 R1819 R1820 RS1 16SS101J Not used R1824 R1827 R1829 R1843 RS1 16SS101J Not used R1863 R1864 R1866 R1867 RS1 16SS101J Not used R1869 R1870 R1874 R1901 RS1 16SS101J Not used R1902 R9114 R9115 RS1 16SS101J Not used R9202 R9209 R9219 R9221 RS1 16SS101J Not used R9231 R9505 R9506 R9536 RS1 16SS101J Not used R9111 R9433 R9436 RS1 16SS101J RS1 16SS0R0J R1808 R1809 R1812 R1905 RS1 16SS1...

Page 8: ... R9569 R9574 R9576 RS1 16SS473J Not used R9578 R9580 R9584 R9586 RS1 16SS473J Not used R9589 R9590 R9595 R9597 RS1 16SS473J Not used R9599 R9603 R9606 R9609 RS1 16SS473J Not used R9612 RS1 16SS473J Not used R9657 R9658 R9661 R9663 RS1 16SS49R9F Not used R1891 RS1 16SS680J Not used R9105 RS1 16SS680J RS1 16SS470J R9834 RS1 8SQ225J Not used C1013 C9874 ACH7306 Not used C634 C651 C1855 C9310 CCSSCH10...

Page 9: ... Not used C1806 C1808 C1809 CKSSYB104K10 Not used C1813 C1815 C1819 C1820 CKSSYB104K10 Not used C1825 C1832 C1834 C1840 CKSSYB104K10 Not used C1852 C1853 C9110 C9203 CKSSYB104K10 Not used C9205 C9206 C9208 C9210 CKSSYB104K10 Not used C9212 C9214 C9215 CKSSYB104K10 Not used C9221 C9225 C9228 CKSSYB104K10 Not used C9230 C9232 C9234 C9237 CKSSYB104K10 Not used C9238 C9241 C9243 C9244 CKSSYB104K10 Not...

Page 10: ...H1268 CEVW101M4 C9597 Not used VCH1268 C1108 VCH1234 CEVW101M16 C9801 VCH1234 Not used Mark Symbol and Description AWX9620 AWX9628 Remarks Mark Symbol and Description AWX9605 AWX9701 Remarks IC7002 NJM7805FA Not used Q7018 LSC4081UB Not used Q7020 2SD1763A Not used D7016 D3SBA20 B Not used D7018 PTZ9R1 B Not used H7003 H7004 Fuse Clip AKR1004 Not used 7003 7004 Heat Sink ANH7224 Not used 7023 7024...

Page 11: ...J R6883 R6903 R6923 RS1 10SR100J RS1 10SR111J RS1 10SR111J Mark Symbol and Description AWH7024 AWH7031 AWH7033 Remarks JA4301 JA4501 JA4901 Sp Terminal 4 p AKE7149 AKE7147 AKE7143 JA4101 Sp Terminal 6 p AKE7150 AKE7148 AKE7144 R4184 R4188 R4284 R4288 Not used ACN7180 ACN7180 R4384 R4388 R4484 R4488 Not used ACN7180 ACN7180 R4142 R4242 R4342 R4442 Not used ACN7180 ACN7180 R4584 R4588 R4684 R4688 No...

Page 12: ...14 CKSRYB104K16 CKSRYB104K50 CKSRYB104K50 C4915 C4909 C4924 C4925 CKSRYB104K16 CKSRYB104K50 CKSRYB104K50 C4022 C4025 C4040 C4115 CKSRYB105K10 CKSRYB105K16 CKSRYB105K16 C4118 C4120 C4130 C4147 CKSRYB105K10 CKSRYB105K16 CKSRYB105K16 C4148 C4215 C4218 C4220 CKSRYB105K10 CKSRYB105K16 CKSRYB105K16 C4230 C4247 C4248 C4315 CKSRYB105K10 CKSRYB105K16 CKSRYB105K16 C4318 C4320 C4330 C4347 CKSRYB105K10 CKSRYB...

Page 13: ...rk Symbol and Description AWX9604 AWX9697 Remarks L1 LINE FILTER ATF7048 ATF7050 S81 VOLTAGE SELECTOR Not used AKX7020 CN81 2P VH CONNECTOR B2P3 VH Not used CN82 3P VH CONNECTOR Not used B3P5 VH KN2 SCREW PLATE VNE1948 Not used R4 RS1 10SR182J RS1 10SR821J R14 RS1 10SR0R0J RS1 10SR1001F R57 RS1 4SA105J ACN7180 R59 RS1 8SQ475J RS1 8SQ365J R72 RS1 10SR392J RS1 10SR123J C61 Not used CCSRCH100D50 C74 ...

Page 14: ...SCH ZL CEHAZL QHX CFHXSQ Mount C2059 220u 10 VSX LX53 VSX 2020 K GNDSID C 2 2 B1 2 F DAC HIGH ASSY 1 2 AWX9711 C 1 2 F C 1 2 F A_SIRIUS_R A_SIRIUS_L V 3D 23 SITX 24 SIRX 25 XSIRST 26 GNDBT 27 BT R 28 GNDBT 29 BT L 30 ACH7273 A C2055 680u 16 220u 10 C2059 C2125 NM C2175 1000p 50 C2058 NM QYB C2054 100p 50 SCH C2068 NM C2056 NM SYB C2122 0 1u 16 C2130 0 01u 50 C2251 0 01u 50 C2252 0 01u 50 C2057 NM ...

Page 15: ...10 SYB C1837 470p 50 SCH C1850 NM C1848 0 1u 10 SYB C1849 470p 50 SCH L1812 QTL1013 A L1814 QTL1013 A TC74VHC157FK IC1810 SELECTOR SELECT 1 1A 2 1B 3 MCK 1Y 4 5 2A 6 2B BCK 7 2Y 8 GND FD 9 3Y 10 3B 11 3A LRCK 12 4Y 13 4B 14 4A 15 XST 16 VCC TC74LCX157FK IC1814 SELECTOR SEL 1 1A 2 1B 3 MCK 1Y 4 5 2A 6 2B BCK 7 2Y 8 GND FD 9 3Y 10 3B 11 3A LRCK 12 4Y 13 4B 14 4A 15 ST 16 VCC R1894 150 R1907 0 R1876 ...

Page 16: ...3 3k 1 L4203 ATL7018 A 1u VD_CHK1 L4103 ATL7018 A 1u VS VS2 GND R4261 ACN7165 A 3216 10 R4163 105k 1 1 4W 3216 VS1 R4262 ACN7165 A 3216 10 ACH7318 A C4150 560u R4187 NM 3216 R4188 NM 3216 R4185 ACN7180 3216 R4186 ACN7180 3216 R4287 NM 3216 R4285 ACN7180 3216 R4286 ACN7180 3216 R4288 NM 3216 A A C4255 4 7u 25 3216 R4247 ACN7165 A 3216 VSS 10V ICC3 AVR IC4201 Isense1_H 1 Isense2_H 2 NC1 3 NC2 4 5 PW...

Page 17: ...ILT2 ACH1479 A C4417 100u ACH1479 A C4317 100u R4490 NM 2125 R4390 47k 2125 B ICEPOWER AMP ASSY 3 5 SC LX83 AWH7031 SC LX73 AWH7033 P 3 5 P 4 5 F P 4 5 F ACH7318 A C4649 560u R4661 ACN7165 A 3216 10 L4602 ATL7018 A 1u C4657 2200p 50 VD5 R4662 ACN7165 A 3216 10 ACH7318 A C4550 560u VS V 64V ACH7318 A C4650 560u VD_CHK3 VD V 64V VS_CHK3 ACH7318 A C4549 560u R4563 105k 1 1 4W 3216 L4502 ATL7018 A 1u ...

Page 18: ...sense2_H 2 NC1 3 NC2 4 5 PWM 6 PWM 7 SS_EN 8 Blanking 9 VS 10 LowDrive 11 Vdrive 12 Isense2_L 13 Isense1_L 14 HighReturn 15 HighDrive 16 Vboot R VSS 10V R4747 ACN7165 A 3216 L4704 ATL7020 A 4 7u C4755 4 7u 25 3216 R4746 39k 1 R4784 ACN7180 3216 DRIVER V 12V GND R4700 100 0 5 R4701 100 0 5 C4710 NM C4711 NM V 12V CN4700 XKP3062 A 1 C 2 C 3 GNDC 4 V 12C 5 V 12C R4791 2 2M 2125 R4792 8 2k 2125 TO ICE...

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