Pioneer VSX-521-K Service Manual

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3. BASIC ITEMS FOR SERVICE
3.1 CHECK POINTS AFTER SERVICING
3.2 JIGS LIST
Items to be checked after servicing
To keep the product quality after servicing, confirm recommended check points shown below.
See the table below for the items to be checked regarding video and audio.
No.
Item to be checked regarding video Item to be checked regarding audio
Procedures Check points
1 Confirm whether the customer complain has been solved.
If the customer complain occurs with the particular source, such
as Dolby Digital, DTS, AAC, DVD-A and HDMI, input it for the
operation check.
The customer complain must not be reappeared.
Video, Audio and operations must be normal.
2 Check the analog audio playback.
(Make the analog connections with a DVD player.)
Each channel audio and operations must be normal.
3 Check the digital audio playback.
(Make the digital connections with a DVD player.)
Each channel audio and operations must be normal.
4 Check surround playback.
(Select Surround mode and check the multichannel operations
via the DSP circuit.)
Each channel audio and operations must be normal.
5 Check the video outputs.
(Connect with a DVD player.)
Video and operations must be normal.
6 Check the tuner (AM and FM) operations. Audio and operations must be normal.
7 Check the sound from headphone output. Sound must be normal, without noise.
8 Check the appearance of the product.
Block noise Distortion
Horizontal noise Noise
Flicker Volume too low
Disturbed image (video jumpiness) Volume too high
Too dark Volume fluctuating
Too bright Sound interrupted
Mottled color
No scratches or dirt on its appearance after receiving it for
service.
Jigs List
Jig Name Part No. Remarks
RS-232C update jig (Jig + 10P FFC) GGF1642
Firmware update (RS-232C ↔ Rear panel)
RS-232C cable (9-pin to 9-pin, straight cable)
9P extension jig cable (for 5 ch) GGD1739
Diagnosis (AMP Assy ↔ AUDIO Assy)
31P extension jig FFC GGD1738 Diagnosis (DISPLAY Assy ↔ CPU Assy)
Diagnosis (D-MAIN Assy ↔ CPU Assy)
Diagnosis (D-MAIN Assy ↔ BRIDGE A Assy)
13P extension jig cable (for 7 ch) GGD1740
Board to board extension jig cable GGD1733
Board to board extension jig cable GGD1734
Lubricants and Glues List
Name Part No. Remarks
Silicon grease GEM1057 Refer to "9.2 EXTERIOR SECTION (VSX-821-K, VSX-921-K)"
and "9.3 EXTERIOR SECTION (VSX-521-K)".
Silicon adhesive GYA1011
(KE40RTV-W)
Refer to "9.2 EXTERIOR SECTION (VSX-821-K, VSX-921-K)"
and "9.3 EXTERIOR SECTION (VSX-521-K)".

Pioneer VSX-521-K Specifications

General

Impedance	8 Ω
Receiver type	-
Frequency range	20 - 20000 Hz
RMS rated power	550 W
Audio output channels	5.1 channels
Signal-to-Noise Ratio (SNR)	79 dB
Total Harmonic Distortion (THD)	0.05 %
Power output per channel (1KHz@6 Ohm)	125 W
Power output per channel (20-20KHz@8 Ohm)	- W
AirPlay	No
Product color	Black
Audio decoders	Dolby Digital EX, Dolby Digital Plus, Dolby Pro Logic IIz, Dolby TrueHD, DTS-HD
Apple docking compatibility	Not supported
HDMI in	4
Digital audio coaxial in	1
Digital audio optical in	2
Multichannel audio input type	Terminals
Headphone connectivity	3.5 mm
Connectivity technology	Wired
AM band range	530 - 1700 kHz
FM band range	87.5 - 108 MHz
Supported radio bands	AM, FM
Preset stations quantity	30
AC input voltage	120 V
AC input frequency	60 Hz
Power consumption (standby)	0.4 W
Power consumption (typical)	415 W

Weight and Dimensions

Depth	363 mm
Width	435 mm
Height	168 mm
Weight	9000 g