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ORDER NO.
RRV4307
VSX-1127-K
AV Receiver
VSX-1127-K
VSX-1122-K
VSX-60
VSX-1027-K
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model Type Power Requirement Remarks
VSX-1127-K CUXE AC 120 V
VSX-1122-K CUXESM AC 120 V
VSX-60 UXECB AC 120 V
VSX-1027-K CUXE AC 120 V
PIONEER CORPORATION 1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, Japan
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2012
K-MZV MAR. 2012 Printed in Japan
1 2 3 4
SAFETY INFORMATION
A
This service manual is intended for qualified service technicians; it is not meant for the casual do-it-
yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained
to properly and safely repair complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may
void the warranty. If you are not qualified to perform the repair of this product properly and safely, you
should not risk trying to do so and refer the repair to a qualified service technician.
WARNING
B This product may contain a chemical known to the State of California to cause cancer, or birth defects or other reproductive
harm.
Health & Safety Code Section 25249.6 - Proposition 65
(FOR USA MODEL ONLY)
ANY MEASUREMENTS NOT WITHIN THE LIMITS
1. SAFETY PRECAUTIONS
OUTLINED ABOVE ARE INDICATIVE OF A POTENTIAL
The following check should be performed for the
SHOCK HAZARD AND MUST BE CORRECTED BEFORE
continued protection of the customer and service
RETURNING THE APPLIANCE TO THE CUSTOMER.
technician.
C LEAKAGE CURRENT CHECK
Measure leakage current to a known earth ground 2. PRODUCT SAFETY NOTICE
(water pipe, conduit, etc.) by connecting a leakage Many electrical and mechanical parts in the appliance
current tester such as Simpson Model 229-2 or have special safety related characteristics. These are
equivalent between the earth ground and all exposed often not evident from visual inspection nor the protection
metal parts of the appliance (input/output terminals, afforded by them necessarily can be obtained by using
screwheads, metal overlays, control shaft, etc.). Plug replacement components rated for voltage, wattage, etc.
the AC line cord of the appliance directly into a 120 V Replacement parts which have these special safety
AC 60 Hz outlet and turn the AC power switch on. Any characteristics are identified in this Service Manual.
current measured must not exceed 0.5 mA. Electrical components having such features are
identified by marking with a > on the schematics and on
D
the parts list in this Service Manual.
Reading should The use of a substitute replacement component which
Leakage not be above does not have the same safety characteristics as the
Device current 0.5 mA
under tester PIONEER recommended replacement one, shown in the
test parts list in this Service Manual, may create shock, fire,
Test all or other hazards.
exposed metal
surfaces Product Safety is continuously under review and new
instructions are issued from time to time. For the latest
information, always consult the current PIONEER Service
Also test with Manual. A subscription to, or additional copies of,
plug reversed Earth PIONEER Service Manual may be obtained at a nominal
E (Using AC adapter ground
plug as required) charge from PIONEER.
AC Leakage Test
F
2 VSX-1127-K
1 2 3 4
5 6 7 8
CONTENTS
SAFETY INFORMATION.......................................................................................................................................................... 2
1. SERVICE PRECAUTIONS .................................................................................................................................................... 5
1.1 NOTES ON SOLDERING ............................................................................................................................................... 5 A
1.2 NOTES ON REPLACING PARTS ................................................................................................................................... 5
1.3 SERVICE NOTICE.......................................................................................................................................................... 5
2. SPECIFICATIONS................................................................................................................................................................. 6
3. BASIC ITEMS FOR SERVICE .............................................................................................................................................. 9
3.1 CHECK POINTS AFTER SERVICING ........................................................................................................................... 9
3.2 JIGS LIST ....................................................................................................................................................................... 9
3.3 PCB LOCATIONS ......................................................................................................................................................... 10
4. BLOCK DIAGRAM .............................................................................................................................................................. 12
4.1 OVERALL WIRING DIAGRAM ..................................................................................................................................... 12
4.2 AUDIO BLOCK DIAGRAM............................................................................................................................................ 14
4.3 D-AUDIO BLOCK DIAGRAM ........................................................................................................................................ 16
4.4 D-VIDEO BLOCK DIAGRAM ........................................................................................................................................ 18 B
4.5 VIDEO BLOCK DIAGRAM............................................................................................................................................ 20
4.6 POWER SUPPLY BLOCK DIAGRAM........................................................................................................................... 22
5. DIAGNOSIS ........................................................................................................................................................................ 24
5.1 TROUBLESHOOTING.................................................................................................................................................. 24
5.2 ERROR INDICATIONS ................................................................................................................................................. 32
5.3 DETECTION CIRCUIT ................................................................................................................................................. 33
5.4 IC INFORMATION ........................................................................................................................................................ 35
6. SERVICE MODE ................................................................................................................................................................. 38
6.1 TEST MODE................................................................................................................................................................. 38
6.2 DEFAULT SETTINGS ................................................................................................................................................... 40
7. DISASSEMBLY ................................................................................................................................................................... 41
C
8. EACH SETTING AND ADJUSTMENT ................................................................................................................................ 48
8.1 ADJUSTMENT REQUIRED WHEN THE UNIT IS REPAIRED OR REPLACED .......................................................... 48
8.2 USB BACKUP............................................................................................................................................................... 49
8.3 UPDATING OF THE FIRMWARE ................................................................................................................................. 51
8.4 IDLE CURRENT ADJUSTMENT .................................................................................................................................. 54
9. EXPLODED VIEWS AND PARTS LIST............................................................................................................................... 56
9.1 PACKING SECTION ..................................................................................................................................................... 56
9.2 EXTERIOR SECION..................................................................................................................................................... 58
10. SCHEMATIC DIAGRAM .................................................................................................................................................... 62
10.1 AUDIO ASSY .............................................................................................................................................................. 62
10.2 AMP7 ASSY (1/2) ....................................................................................................................................................... 64
10.3 AMP7 ASSY (2/2) ....................................................................................................................................................... 66 D
10.4 MAIN ASSY ................................................................................................................................................................ 68
10.5 D-MAIN ASSY (1/10) .................................................................................................................................................. 70
10.6 D-MAIN ASSY (2/10) .................................................................................................................................................. 72
10.7 D-MAIN ASSY (3/10) .................................................................................................................................................. 74
10.8 D-MAIN ASSY (4/10) .................................................................................................................................................. 76
10.9 D-MAIN ASSY (5/10) .................................................................................................................................................. 78
10.10 D-MAIN ASSY (6/10) ................................................................................................................................................ 80
10.11 D-MAIN ASSY (7/10) ................................................................................................................................................ 82
10.12 D-MAIN ASSY (8/10) ................................................................................................................................................ 84
10.13 D-MAIN ASSY (9/10) ................................................................................................................................................ 86
10.14 D-MAIN ASSY (10/10) .............................................................................................................................................. 88
10.15 IR ASSY.................................................................................................................................................................... 90 E
10.16 VIDEO ASSY ............................................................................................................................................................ 92
10.17 BRG ASSY ............................................................................................................................................................... 94
10.18 FRONT and POWER ASSYS ................................................................................................................................... 96
10.19 MIC, FVIDEO and HP ASSYS .................................................................................................................................. 98
10.20 G-L, G-R, WG-A, WG-B, CCG and BTCNT ASSYS................................................................................................. 99
10.21 FHDMI and F-USB ASSYS..................................................................................................................................... 100
10.22 SMPS ASSY ........................................................................................................................................................... 102
10.23 BT ASSY................................................................................................................................................................. 104
F
VSX-1127-K 3
5 6 7 8
1 2 3 4
11. PCB CONNECTION DIAGRAM ......................................................................................................................................106
11.1 AUDIO ASSY ............................................................................................................................................................106
A 11.2 AMP7 ASSY..............................................................................................................................................................108
11.3 MAIN ASSY...............................................................................................................................................................110
11.4 D-MAIN ASSY...........................................................................................................................................................114
11.5 IR ASSY ....................................................................................................................................................................118
11.6 VIDEO ASSY ............................................................................................................................................................120
11.7 BRG ASSY................................................................................................................................................................122
11.8 FRONT, POWER, MIC, FVIDEO and HP ASSYS .....................................................................................................124
11.9 G-L, G-R, WG-A and WG-B ASSYS .........................................................................................................................128
11.10 CCG and BTCNT ASSYS .......................................................................................................................................129
11.11 FHDMI and F-USB ASSYS .....................................................................................................................................130
11.12 BT ASSY .................................................................................................................................................................131
11.13 SMPS ASSY ...........................................................................................................................................................132
B
12. PCB PARTS LIST ............................................................................................................................................................134
C
D
E
F
4 VSX-1127-K
1 2 3 4
5 6 7 8
1. SERVICE PRECAUTIONS
1.1 NOTES ON SOLDERING