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Front Surround

Center

ORDER NO.
RRV4432
HTP-072

Home Theater Package

HTP-072
Home Cinema Package

HTP-073
AV Receiver

VSX-324-K-PSpeaker System
Subwoofer

S-22W-P S-11A-P
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model Type Power Requirement Remarks
HTP-072 CMXESM AC 120 V
HTP-072 YXE8 AC 220 V to 230 V
HTP-072, HTP-073 VYXE8 AC 220 V to 230 V
HTP-072 DLXE AC 110 V to 127 V/220 V to 240 V
HTP-072 PWXE AC 220 V to 230 V
HTP-072 AXQ5 AC 220 V
VSX-324-K-P CMXESM AC 120 V
VSX-324-K-P YXE8 AC 220 V to 230 V
VSX-324-K-P VYXE8 AC 220 V to 230 V
VSX-324-K-P DLXE AC 110 V to 127 V/220 V to 240 V
VSX-324-K-P PWXE AC 220 V to 230 V
VSX-324-K-P AXQ5 AC 220 V
S-22W-P ---------- ----------
S-11A-P ---------- ----------

HTP-072 and HTP-073 is a Home Cinema Package and consists of VSX-324-K-P, S-22W-P and S-11A-P.

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 2013
K-MZV MAY 2013 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 HTP-072
1 2 3 4
5 6 7 8

CONTENTS
SAFETY INFORMATION.......................................................................................................................................................... 2
1. SERVICE PRECAUTIONS .................................................................................................................................................... 4
1.1 NOTES ON SOLDERING ............................................................................................................................................... 4 A
1.2 NOTES ON REPLACING PARTS ................................................................................................................................... 4
1.3 SERVICE NOTICE.......................................................................................................................................................... 4
2. SPECIFICATIONS................................................................................................................................................................. 5
3. BASIC ITEMS FOR SERVICE .............................................................................................................................................. 7
3.1 CHECK POINTS AFTER SERVICING ........................................................................................................................... 7
3.2 JIGS LIST ....................................................................................................................................................................... 7
3.3 PCB LOCATIONS ........................................................................................................................................................... 8
4. BLOCK DIAGRAM .............................................................................................................................................................. 10
4.1 OVERALL WIRING DIAGRAM ..................................................................................................................................... 10
4.2 OVERALL BLOCK DIAGRAM....................................................................................................................................... 12
4.3 VCC BLOCK DIAGRAM ............................................................................................................................................... 14
4.4 GND BLOCK DIAGRAM ............................................................................................................................................... 16 B
5. DIAGNOSIS ........................................................................................................................................................................ 18
5.1 TROUBLESHOOTING.................................................................................................................................................. 18
5.2 PROTECTION CIRCUIT............................................................................................................................................... 23
5.3 IC INFORMATION ........................................................................................................................................................ 24
6. SERVICE MODE ................................................................................................................................................................. 27
7. DISASSEMBLY ................................................................................................................................................................... 31
7.1 VSX-324-K-P ................................................................................................................................................................ 31
7.2 S-22W-P ....................................................................................................................................................................... 35
7.3 S-11A-P ........................................................................................................................................................................ 36
8. EACH SETTING AND ADJUSTMENT ................................................................................................................................ 37
8.1 UPDATING OF THE FIRMWARE ................................................................................................................................. 37
C
9. EXPLODED VIEWS AND PARTS LIST............................................................................................................................... 42
9.1 PACKING SECTION ..................................................................................................................................................... 42
9.2 VSX-324-K-P ................................................................................................................................................................ 44
9.3 S-22W-P ....................................................................................................................................................................... 47
9.4 S-11A-P ........................................................................................................................................................................ 48
10. SCHEMATIC DIAGRAM .................................................................................................................................................... 50
10.1 MAIN ASSY (1/3)........................................................................................................................................................ 50
10.2 MAIN ASSY (2/3)........................................................................................................................................................ 52
10.3 MAIN ASSY (3/3)........................................................................................................................................................ 54
10.4 OPTCO ASSY ............................................................................................................................................................ 55
10.5 D-MAIN ASSY (1/3) .................................................................................................................................................... 56
10.6 D-MAIN ASSY (2/3) .................................................................................................................................................... 58 D
10.7 D-MAIN ASSY (3/3) .................................................................................................................................................... 60
10.8 AMP6 ASSY ............................................................................................................................................................... 62
10.9 CPU ASSY.................................................................................................................................................................. 64
10.10 FRONT, INSEL, HP and FUSB ASSYS .................................................................................................................... 66
10.11 CNT ASSY................................................................................................................................................................ 68
10.12 STBY and V_SEL ASSYS ........................................................................................................................................ 70
10.13 S-11A-P .................................................................................................................................................................... 72
11. PCB CONNECTION DIAGRAM ........................................................................................................................................ 74
11.1 MAIN and OPTCO ASSYS ......................................................................................................................................... 74
11.2 D-MAIN ASSY ............................................................................................................................................................ 78
11.3 AMP6 ASSY ............................................................................................................................................................... 82
11.4 CPU ASSY.................................................................................................................................................................. 84 E
11.5 FRONT, INSEL, HP and FUSB ASSYS ...................................................................................................................... 86
11.6 CNT ASSY.................................................................................................................................................................. 88
11.7 STBY ASSY................................................................................................................................................................ 89
11.8 V_SEL, G-L, G-T and G-CNT ASSYS ........................................................................................................................ 90
12. PCB PARTS LIST .............................................................................................................................................................. 91

F

HTP-072 3
5 6 7 8
1 2 3 4

1. SERVICE PRECAUTIONS
1.1 NOTES ON SOLDERING
A