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Pioneer VSX-1120-K, Service Manual

The Pioneer VSX-1120-K offers exceptional home theater experience. With its extensive features and top-notch audio quality, this AV receiver enriches your entertainment. Unlock the full potential of this outstanding device by downloading the free Service Manual from manualshive.com, ensuring seamless operation and optimal performance.

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12

VSX-1325-K

1

2

3

4

A

B

C

D

E

F

1

2

3

4

2. SCHEMATIC DIAGRAM

2.1  AUDIO ASSY

2.2  DAC LOW ASSY

A-a

1/3 F

A-a

1/3 F

GNDCH

2

R

3

1

W

*JA2951

AKB7218-A

5

R

6

4

W

7

ZONE OUT

ZONE 2

OUT

ZONE 3

OUT

C2982

NM

C2981

0.01u/50

*C2983

0.01u/50

C2984

NM

R2957

NM

R2958

NM

JACK

AWX9646- /J Only

*JA2952

NM

3

2

1

4

ZONE 2

OUT

AUDIO ASSY (1/3)
(AWX9646)

A

1/3 F

C

1/2 F

C

1/2 F

A_SIRIUS_R

A_SIRIUS_L

C2125

NM

C2122

0.1u/16

C2130

0.01u/50

C2251

0.01u/50

C2252

0.01u/50

C2129

0.01u/50

D2137

NM

D2139

NM

D2138

NM

D2122

NM

D2121

NM

D2124

NM

D2123

NM

GNDCH

GNDD

GNDSI3

GNDSI2

GNDSI1

GNDSIA

NM

REGULATOR 3.3V

NB

VOUT

R2

R2

R2051

0

R2052

0

R2121

0

R2137

0

R2136

0

*R2144

0

*R2134

0

*R2145

0

R2

*R2133

0

R2

R2148

NM

*R2131

0

*R2132

0

*R2130

0

V+3R3_D

V+3R3_DF

V+3R3_

A_SIRIUS_R

A_SIRIUS_L

SITX

SIRX

SIXRST

AWX9657- /J

AWX9659- /J

ONLY

AWX9657- /J

AWX9659- /J

ONLY

22u/50

*C2128

22u/50

*C2127

*R2140

470k

*R2142

330

*R2143

330

*R2141

470k

AWX9566- /J

AWX9658- /J

ONLY

*C2126

0.01u/50

YB

*C2124

0.01u/50

YB

*D2130

1SS302

GNDSID

BKP1127-A

*JA2101

SIRIUS

(NC)

1

SIRIUS_RST

2

SIRIUS_TX

3

GND

4

SIRIUS_R

5

SIRIUS_RX

6

GNDA

7

SIRIUS_L

8

GNDCH

RT1

GNDCH

RT2

GNDCH

RT3

*R2135

0

AWX9566- /J

AWX9658- /J

ONLY

AWX9657- /J

AWX9659- /J

ONLY

C

2/2

DAC LOW ASSY (1/2)
(AWX9566)

C

1/2 F

www. xiaoyu163. com

QQ 376315150

9

9

2

8

9

4

2

9

8

TEL 13942296513

9

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

Q

TEL  13942296513  QQ  376315150  892498299 

TEL  13942296513  QQ  376315150  892498299 

http://www.xiaoyu163.com

http://www.xiaoyu163.com

Summary of Contents for VSX-1120-K

Page 1: ...125 K VSX 1120 K 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 Power Requirement Remarks VSX 1325 K CUXJ AC 120 V VSX 1125 K CUXJ AC 120 V VSX 1120 K UXJCB AC 120 V Model No Order No Remarks VSX LX53 SYXJ5 RRV4133 K ZZZ JUNE ...

Page 2: ...rated for voltage wattage etc Replacement parts which have these special safety characteristics are identified in this Service Manual Electrical components having such features are identified by marking with a on the schematics and on the parts list in this Service Manual The use of a substitute replacement component which does not have the same safety characteristics as the PIONEER recommended re...

Page 3: ...3 P85 5 2 DISPLAY ASSY AWX9669 AWX9723 AWX9725 AWX9675 P83 2 2 PRIMARY ASSY AWX9676 AWX9591 AWX9591 AWX9591 NSP 1 AUDIO COMPOSITE ASSY AWR7087 AWR7084 AWR7089 AWR7089 P83 3 2 COMPOSITE ASSY AWX9568 AWX9568 AWX9651 AWX9651 P83 7 2 AUDIO ASSY AWX9644 AWX9567 AWX9646 AWX9646 P83 9 1 DAC LOW ASSY AWX9657 AWX9566 AWX9566 AWX9566 P83 10 1 DIGITAL MAIN ASSY AWX9719 AWX9718 AWX9626 AWX9626 NSP P79 1 1 BLU...

Page 4: ...Not used REK1144 Not used Not used 2 REAR SECTION P83 11 FM AM TUNER Unit AXX7265 AXX7267 AXX7267 AXX7267 P83 12 Fuse FU1 T5 A AEK1061 Not used Not used Not used P83 12 Fuse FU1 10 A Not used REK1154 REK1154 REK1154 P83 13 Fuse FU4 4 A REK1104 Not used Not used Not used P83 13 Fuse FU4 2 A Not used REK1139 REK1139 REK1139 P83 18 Rear Panel ANC8586 ANC8584 ANC8585 ANC8594 P83 25 Shield Case AMR7557...

Page 5: ...RS1 10SR562J Not used C2501 C2504 C2521 C2524 CCSRCH101J50 Not used Not used C2541 C2544 C2561 C2562 CCSRCH101J50 Not used Not used C2581 C2584 C2601 C2604 CCSRCH101J50 Not used Not used C2621 C2622 C2641 C2644 CCSRCH101J50 Not used Not used C3113 C3114 C3163 C3164 CCSRCH101J50 Not used Not used C3213 C3214 C3263 C3264 CCSRCH101J50 Not used Not used C3283 C3284 C3932 CCSRCH101J50 Not used Not used...

Page 6: ...5 R1823 R1828 Not used RS1 10SR101J R1814 Not used RS1 10SR104J R1818 Not used RS1 16SS0R0J R739 R1806 R1807 R1819 Not used RS1 16SS101J R1820 R1824 R1827 R1829 Not used RS1 16SS101J R1843 R1863 R1864 R1866 Not used RS1 16SS101J R1867 R1869 R1874 R1901 Not used RS1 16SS101J R1902 Not used RS1 16SS101J R1808 R1809 R1812 R1905 Not used RS1 16SS102J R1906 Not used RS1 16SS102J R1801 Not used RS1 16SS...

Page 7: ... Not used Q1602 LTC114YUB Not used D1602 UDZS5R1 B Not used L1602 L1608 L1624 L1625 ATL7010 Not used L1626 Chip Beads ATL7010 Not used L1613 L1616 Coil ATH7064 Not used L1621 Inductor CTF1473 Not used JA1602 Hdmi Connector AKP7254 Not used R739 Not used RS1 16SS101J R1679 R1680 RS1 16SS0R0J Not used R1627 R1635 R1639 R1641 RS1 16SS100J Not used R1644 RS1 16SS100J Not used R738 RS1 16SS101J Not use...

Page 8: ...689 C1695 CKSRYB105K10 Not used C1647 CKSSYB103K16 Not used C1631 C1635 C1642 C1659 CKSSYB104K10 Not used C1661 C1716 C1721 CKSSYB104K10 Not used C941 C987 C1705 C9020 CKSSYB104K16 CKSSYB104K10 C1707 CKSSYB104K16 Not used C1618 C1620 C1622 C1624 CKSSYB105K6R3 Not used C1626 C1643 C1657 C1712 CKSSYB105K6R3 Not used C1675 C1677 C1679 C1681 VCG1066 Not used C1685 C1688 C1691 C1693 Chip Capacitor VCG1...

Page 9: ...933 RS1 10SR622J Not used C5955 CKSRYB102K50 Not used C5932 C5953 C5954 CKSRYB103K50 Not used C5951 CKSRYB104K16 Not used C5934 CKSRYB153K50 Not used C5957 CKSRYB472K50 Not used Mark Symbol and Description AWX9669 AWX9723 AWX9725 AWX9675 Remarks Q3207 Q3208 Q3210 Q3213 LTC124EUB Not used Not used Not used D3204 D3206 D3208 D3210 SLR343BC4T SLR 343VC SLR 343VC SLR 343VC D3212 D3214 SLR343BC4T Not u...

Page 10: ... C74 C75 CCSRCH220J50 CCSRCH101J50 C72 Film Capacitor ACE7013 Not used Mark Symbol and Description AWX9667 AWX9582 Remarks IC4301 Not used NJM7805FA Q4301 Not used 2SD1763A Q4302 Not used LSC4081UB D4301 Not used D3SBA20 D4302 Not used PTZ9R1 H4301 H4302 Fuse Clip Not used AKR1004 R4302 Not used RS1 10SR102J R4303 Not used RS1 10SR221J R4304 Not used RS1 10SR100J C4314 C4315 Not used CCSRCH102J50 ...

Page 11: ...C D E F www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 12: ...121 0 R2137 0 R2136 0 R2144 0 R2134 0 R2145 0 R2 R2133 0 R2 R2148 NM R2131 0 R2132 0 R2130 0 V 3R3_D V 3R3_DF V 3R3_ A_SIRIUS_R A_SIRIUS_L SITX SIRX SIXRST AWX9657 J AWX9659 J ONLY AWX9657 J AWX9659 J ONLY 22u 50 C2128 22u 50 C2127 R2140 470k R2142 330 R2143 330 R2141 470k AWX9566 J AWX9658 J ONLY C2126 0 01u 50 YB C2124 0 01u 50 YB D2130 1SS302 GNDSID BKP1127 A JA2101 SIRIUS NC 1 SIRIUS_RST 2 SIR...

Page 13: ...1 FANERR NC 12 GND_XM 14 V 5_XM 15 V 5_XM 16 GND_USB 17 GND_USB 18 V 5_USB 19 GND_XM 13 V 5_USB 20 C690 C694 C693 C691 GNDD GNDD CH04 V 5_USB V 5_XM C749 C752 C750 C751 D603 1SS352 D605 1SS352 D606 1SS352 D607 HZU5R6 B2 Q608 LSC4081UB QR R653 2 2k R784 10k R794 10k R795 100k R797 2 2k C758 1000p 50 LSA1576UB QR Q607 V 5R6_EV GNDD AC INLET Side 1SS352 D602 1SS352 D604 XM MODEL ONLY XM MODEL ONLY DI...

Page 14: ...L1806 QTL1013 A IC1806 3 4 TC74VHC125FTS1 10 9 8 14 7 IC1806 4 4 TC74VHC125FTS1 13 12 11 14 7 IC1806 2 4 TC74VHC125FTS1 4 5 6 14 7 IC1806 1 4 TC74VHC125FTS1 1 2 3 14 7 IC1801 AAT4614AIGU 2 TRB OUT 1 GND 2 FAULT 3 ON 4 5 SET 6 IN IC1803 BU9450KV LSDP 1 VSS1 2 SC_TX_OUT 3 VDD1 4 SC_RX_IN 5 I2C_SCL 6 I2C_SDA 7 VDD2 8 ANT_REV 9 VSS2 10 RESET 11 SLAVE_SEL 12 I2S_RATE 13 LINKACTIVE 14 COMM_TX_EN 15 VSS3...

Page 15: ...909 NM R1910 NM R1860 NM R1859 NM R1931 100 R1881 100 R1898 47 R1886 10 R1882 100 R1899 470 R1885 100 R1897 1k R1900 47 R1884 100 R1883 10 R1930 22 R1895 1k R1877 150 R1861 0 R1937 22 R1893 470 R1915 100k R1850 100k R1929 22 R1848 100k R1912 100k R1939 NM R1888 NM R1849 100k R1936 22 R1852 100k R1904 NM R1926 100 V 3R3_D7 V 3R3_D6 V 3R3_D V 3R3_D3 V 3R3_D9 V 3R3_D4 V 3R3_D10 DIRMCLK NET_AUDIO DC D...

Page 16: ...CH NO MARKED CEAT or CKSRYB 3 NM NO MOUNT TO TRANS TO REGULATOR ASSY FU11 AWX9582 ONLY NOTE CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE WITH SAME TYPE AND RATINGS OF FUSE awx9582 awx9667 C4301 0 1u 50 NM C4303 3300u 25 NM C4305 0 1u 25 NM C4306 100u 25 NM C4307 0 01u 50 NM C4308 100u 50 NM C4309 0 1u 50 NM C4314 1000p 50 NM C4315 1000p 50 NM R4302 1k NM R4303 220 NM R4304 10 NM I...

Page 17: ...1UB QR Q4301 2SD1763A DE R4304 10 R4302 1k R4303 220 V 5_XM VEF1040 A JH4301 VEF1040 A JH4302 VEF1040 A JH4303 NM JH4304 JP4303 PF08GG0S10 1 EXT_AC1 2 EXT_AC2 3 V 5_XM 4 GND_XM 5 V 12_TRG 6 GND_TRG 7 V 12_RY 8 V 12_RY R4309 NM 2125 TO USB REGULATOR ASSY JP4303_1 L www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 89...

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