PIONEER VSX-C402-S/MYXU Service Manual

Cover page of PIONEER VSX-C402-S/MYXU Service Manual

Service Manual for PIONEER VSX-C402-S/MYXU, downloadable as a PDF file.

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ORDER NO.
PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, 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 2004
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-C402
SOUND MODE
INPUT SELECTOR
MASTER
VOLUME
PHONES
ADVANCED
STEREO
AV DIRECT
FRONT INPUT
STANDBY/ON
DIGITAL IN
PHONES
VIDEO
AUDIO
R
L
DTS
2PRO LOGICII
2DIGITAL
DOWN
UP
R
VSX-C402-S
RRV2919
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-C402-S
VSX-C402-K
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
Power Requirement
Remarks
VSX-C402-S
MYXU
AC220-230V
VSX-C402-K
MYXU
AC220-230V
VSX-C402-S
NVXU
AC230V
For details, refer to "Important symbols for good services".
T-ZZR APR. 2004 printed in Japan
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ORDER NO.
PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, 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 2004
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-C402
SOUND MODE
INPUT SELECTOR
MASTER
VOLUME
PHONES
ADVANCED
STEREO
AV DIRECT
FRONT INPUT
STANDBY/ON
DIGITAL IN
PHONES
VIDEO
AUDIO
R
L
DTS
2PRO LOGICII
2DIGITAL
DOWN
UP
R
VSX-C402-S
RRV2919
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
VSX-C402-S
VSX-C402-K
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
Power Requirement
Remarks
VSX-C402-S
MYXU
AC220-230V
VSX-C402-K
MYXU
AC220-230V
VSX-C402-S
NVXU
AC230V
For details, refer to "Important symbols for good services".
T-ZZR APR. 2004 printed in Japan
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VSX-C402-S
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SAFETY INFORMATION
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
This product contains lead in solder and cer tain electrical par ts contain chemicals which are known to the state of California to
cause cancer, bir th defects or other reproductive harm.
Health & Safety Code Section 25249.6 ­ Proposition 65
NOTICE
(FOR CANADIAN MODEL ONLY)
Fuse symbols
(fast operating fuse)
and/or
(slow operating fuse) on PCB indicate that replacement
parts must be of identical designation.
REMARQUE
(POUR MODÈLE CANADIEN SEULEMENT)
Les symboles de fusible
(fusible de type rapide)
et/ou
(fusible de type lent) sur CCI indiquent que
les pièces de remplacement doivent avoir la même désignation.
ANY MEASUREMENTS NOT WITHIN THE
LIMITS OUTLINED ABOVE ARE INDICATIVE
OF A POTENTIAL SHOCK HAZARD AND
MUST BE CORRECTED BEFORE RETURN-
ING THE APPLIANCE TO THE CUSTOMER.
2. PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in the appliance
have special safety related character istics. These are
often not evident
from visual
inspection nor the
protection afforded by them necessarily can be obtained
by using replacement components rated for voltage,
wattage, etc. Replacement par ts which have these
special safety character istics are identified in this
Service Manual.
Electr ical 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 replacement one, shown in the
parts list in this Service Manual, may create shock, fire,
or other hazards.
Product Safety is continuously under review and new
instructions are issued from time to time. For the latest
infor mation, always consult the current PIONEER
Service Manual. A subscription to, or
additional copies
of, PIONEER Ser vice Manual may be obtained at a
nominal charge from PIONEER.
(FOR USA MODEL ONLY)
1. SAFETY PRECAUTIONS
The following check should be perfor med for the
continued protection of the customer and ser vice
technician.
LEAKAGE CURRENT CHECK
Measure leakage current to a known ear th ground
(water pipe, conduit, etc.) by connecting a leakage
current tester such as Simpson Model 229-2 or
equivalent between the ear th ground and all exposed
metal par ts of the appliance (input/output ter minals,
screwheads, metal overlays, control shaft, etc.). Plug
the AC line cord of the appliance directly into a 120V
AC 60 Hz outlet and turn the AC power switch on. Any
current measured must not exceed 0.5 mA.
Device
under
test
Leakage
current
tester
Earth
ground
Reading should
not be above
0.5 mA
Also test with
plug reversed
(Using AC adapter
plug as required)
Test all
exposed metal
surfaces
AC Leakage Test
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[ Important symbols for good services ]
In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.
When you find the procedures bearing any of the symbols, be sure to fulfill them:
2. Adjustments
To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.
In accordance with the procedures or instructions described in this manual, adjustments should be performed.
3. Cleaning
For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,
proper cleaning should be performed to restore their performances.
5. Lubricants, glues, and replacement parts
Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the
prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used.
4. Shipping mode and shipping screws
To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.
1. Product safety
You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and
should keep the safety during servicing by following the safety instructions described in this manual.
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CONTENTS
SAFETY INFORMATION ..................................................................................................................................... 2
1. SPECIFICATIONS ............................................................................................................................................ 5
2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................ 6
2.1 PACKING ................................................................................................................................................... 6
2.2 EXTERIOR SECTION................................................................................................................................ 8
2.3 INTERIOR SECTION ............................................................................................................................... 10
2.4 FRONT PANEL SECTION ....................................................................................................................... 12
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..........................................................................................14
3.1 BLOCK DIAGRAM ................................................................................................................................... 14
3.1.1 AUDIO BLOCK...................................................................................................................................... 14
3.1.2 VIDEO AND POWER SUPPLY BLOCKS.............................................................................................. 16
3.2 OVERALL WIRING DIAGRAM................................................................................................................. 18
3.3 FM/AM TUNER MODULE ........................................................................................................................ 20
3.4 SCART-1F ASSY...................................................................................................................................... 22
3.5 SCART-2F ASSY...................................................................................................................................... 24
3.6 MOTHER ASSY (1/5)............................................................................................................................... 26
3.7 MOTHER ASSY (2/5) and DSP KAWA ASSY .........................................................................................28
3.8 MOTHER ASSY (3/5)............................................................................................................................... 30
3.9 MOTHER ASSY (4/5)............................................................................................................................... 32
3.10 MOTHER ASSY (5/5)............................................................................................................................. 34
3.11 DSP ASSY (1/2)..................................................................................................................................... 36
3.12 DSP ASSY (2/2)..................................................................................................................................... 38
3.13 FRONT IN, SUR OUT and AMP KAWA ASSYS .................................................................................... 40
3.14 6CH AMP ASSY .................................................................................................................................... 42
3.15 AMP OUT ASSY .................................................................................................................................... 44
3.16 ENCODER, FRONT and POWER SW ASSYS ..................................................................................... 46
3.17 PRIMARY, D5V, 12V and VHVL ASSYS ................................................................................................ 48
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 50
4.1 FM/AM TUNER MODULE ........................................................................................................................ 51
4.2 SCART-1F and 12V ASSYS..................................................................................................................... 52
4.3 SCART-2F ASSY...................................................................................................................................... 56
4.4 MOTHER, DSP KAWA and D5V ASSYS ................................................................................................. 60
4.5 DSP ASSY ............................................................................................................................................... 64
4.6 FRONT IN ASSY...................................................................................................................................... 66
4.7 AMP KAWA ASSY ................................................................................................................................... 67
4.8 6CH AMP ASSY ...................................................................................................................................... 68
4.9 AMP OUT ASSY ...................................................................................................................................... 70
4.10 ENCODER, FRONT, POWER SW and SUR OUT ASSYS.................................................................... 72
4.11 PRIMARY ASSY .................................................................................................................................... 76
4.12 VHVL ASSY ........................................................................................................................................... 77
5. PCB PARTS LIST ........................................................................................................................................... 78
6. ADJUSTMENT ............................................................................................................................................... 84
6.1 TUNER SECTION .................................................................................................................................... 84
7. GENERAL INFORMATION ............................................................................................................................. 85
7.1 DIAGNOSIS ............................................................................................................................................. 85
7.1.1 Test Mode........................................................................................................................................... 85
7.1.2 Protection Circuit................................................................................................................................ 86
7.1.3 Specifications of Speaker Detection .................................................................................................. 87
7.1.4 Circuit Description .............................................................................................................................. 88
7.1.5 Troubleshooting .................................................................................................................................. 89
7.1.6 DSP Trouble shooting......................................................................................................................... 90
7.1.7 Timing Chart....................................................................................................................................... 95
7.2 PARTS...................................................................................................................................................... 99
7.2.1 IC ....................................................................................................................................................... 99
7.2.2 DISPLAY .......................................................................................................................................... 105
7.3 CLEANING............................................................................................................................................. 106
8. PANEL FACILITIES ...................................................................................................................................... 107
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1. SPECIFICATIONS
Amplifier section
Continuous Power Output (STEREO mode)
Front. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 W + 40 W
(DIN 1 kHz, THD 1 %, 8
)
Continuous Power Output (SURROUND mode)
Front. . . . . . . . . . . . . . . . . . . . .50 W/ch (DIN 1 kHz, THD 1 %, 8
)
Center . . . . . . . . . . . . . . . . . . . . . .50 W (DIN 1 kHz, THD 1 %, 8
)
Surround. . . . . . . . . . . . . . . . . .50 W/ch (DIN 1 kHz, THD 1 %, 8
)
RMS Power Output
Front. . . . . . . . . . . . . . . . . . . . . . . 75 W/ch (1 kHz, THD 10 %, 6
)
Center . . . . . . . . . . . . . . . . . . . . . . . . 75 W (1 kHz, THD 10 %, 6
)
Surround. . . . . . . . . . . . . . . . . . . . 75 W/ch (1 kHz, THD 10 %, 6
)
· Above specifications are applicable when the power supply is
230V.
Audio section
Input (Sensitivity/Impedance) . . . . . . . . . . . . . . . . . . 200 mV/47 k
Output (Level/Impedance)
VIDEO, DVR/TV. . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 mV/2.2 k
Video section
Input (Sensitivity/Impedance) . . . . . . . . . . . . . . . . . . . . 1 Vp-p/75
Output (Level/Impedance). . . . . . . . . . . . . . . . . . . . . . . 1 Vp-p/75
FM tuner section
Frequency Range. . . . . . . . . . . . . . . . . . . . . . 87.5 MHz to 108 MHz
Usable Sensitivity. . . . . . . . . . . . Mono:15.2 dBf, IHF (1.6
µV/ 75 )
50 dB Quieting Sensitivity. . . . . . . . . . . . . . . . . . . . . Mono: 20.2 dBf
Stereo: 41.2 dBf
Signal-to-Noise Ratio. . . . . . . . . . . . . . . . . Mono: 76 dB (at 85 dBf)
Stereo: 72 dB (at 85 dBf)
Signal-to-Noise Ratio (DIN). . . . . . . . . . . . . . . . . . . . . Mono: 62 dB
Stereo: 58 dB
Distortion . . . . . . . . . . . . . . . . . . . . . . . . . . . . Stereo: 0.6 % (1 kHz)
Alternate Channel Selectivity . . . . . . . . . . . . . . . . . 70 dB (400 kHz)
Stereo Separation. . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 dB (1 kHz)
Frequency Response . . . . . . . . . . . . . . . . . 30 Hz to 15 kHz (
±1dB)
Antenna Input (DIN) . . . . . . . . . . . . . . . . . . . . . . . 75
unbalanced
AM tuner section
Frequency Range. . . . . . . . . . . . 531 kHz to 1,602 kHz (9 kHz step)
Sensitivity (IHF, Loop antenna). . . . . . . . . . . . . . . . . . . . . 350
µV/m
Selectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 dB
Signal-to-Noise Ratio. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 dB
Antenna. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Loop antenna
Miscellaneous
Power Requirements
UK model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AC 230 V, 50/60 Hz
European model. . . . . . . . . . . . . . . . . . . AC 220 ­ 230 V, 50/60 Hz
Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150 W
In standby (AV Direct off) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.4 W
Dimensions. . . . . . . . . . . . . . . . . . . 420 (W)
× 70 (H) × 383 (D) mm
Weight (without package) . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5 kg
Furnished parts
AM loop antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
FM wire antenna. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Dry cell batteries (AA size IEC R6P) . . . . . . . . . . . . . . . . . . . . . . . 2
Remote control unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Power cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
MINI Jack cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Speaker cable labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Operating instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Warranty card. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
· Specifications and the design are subject to possible
modifications without notice, due to improvements.
Manufactured under license from Dolby Laboratories.
"Dolby", "Pro Logic", and the double-D symbol are
trademarks of Dolby Laboratories.
"DTS" and "DTS Digital Surround" are trademarks of
Digital Theater Systems, Inc.
Note
Accessories
· Remote Control Unit
(AXD7386)
· Power Cable (MYXU Type)
(ADG1154)
· Power Cable (NVXU Type)
(ADG1156)
· Dry Cell Battery (R6P, AA)
· AM loop antenna
(ATB7009)
· FM wire antenna
(ADH7030)
RECEIVER
ROOM
SETUP
AUDIO
SOURCE
RECEIVER
AV
DIRECT
SR+
RECEIVER
DVD
VIDEO
STB
FRONT
FM/AM
DVR/TV
SURROUND
ADV
ANCED
SURROUND
SOUND MODE
VIRTU
AL
SB
DIAL
OG
AU
TO
STEREO
HDD
ST
OP
REC
DVD
REC
MUTE
MASTER VOL
UME
T.EDIT
MENU
RETURN
SEARCH
TUNE
TUNE
ST
ST
DISC
NA
VIGA
TO
R
SYSTEM
SETUP
SIGNAL
SEL
BAND
EPG
EON
RF
AT
T
A
DISPL
AY
CL
ASS
MPX
D.
AC
CESS
ENTER
BC
D
E
TIMER
REC
+10
ENTER
CH
SELECT
TEST
TONE
TV
C
ONTROL
SLEEP
CHANNEL
VOL
UME
INPUT
CHANNEL
DIMMER
CLEAR

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