Pioneer VSX-521-K Service Manual

39
VSX-821-K
5
6 7 8
5
6 7 8
A
B
C
D
E
F
SDA (ABT)
COMP_DET
Check the line and IC1308,
RESET (63_H). If IC1311
is failure, replace IC1311.
No
Turn the power off and insert
the wire securely.
No
No
Check the line and IC1308,
RESET (63_H). If IC1311
is failure, replace IC1311.
No
Check the line and IC1308,
RESET (51_H). If IC1302
is failure, replace IC1302.
No
Ye s
IC1311 (pin 61)
Does a signal output
in constant period
(0 to 3.3 V)?
Ye s
Does a signal output
in constant period
(0 to 3.3 V)?
Does a signal output
in constant period
(0 to 3.3 V)?
SCL (ABT)
IC1311 (pin 62)
SDA (DECODER)
IC1302 (pin 53)
Ye s
SCL (DECODER)
TMDS OUTPUT
IC1302 (pin 54)
Check the line and IC1308,
RESET (51_H). If IC707 is
failure, replace IC1302.
No
Does a signal output
in constant period
(0 to 3.3 V)?
Ye s
C
To Step 8
Ye s
To Step 9
Ye s
Yes (3.3 V)
CN1304
IC1316 (pin 55)
IC1302 (pins 36, 47, 48, 49, 50)
Are the connectors
securely inserted?
Does a signal output
in constant period
(WAVE)?
Check the line and IC1316.
If IC1316 is failure, replace
IC1316.
Check the line and IC1302.
If IC1302 is failure, replace
IC1302.
IC1302 (pin 36 (CVBS), 47 (CR),
48 (CB), 49 (Y), 50 (SOY))
No
(0 V)
Does a signal output
in constant period
(0 to 3.3 V)?
Step 8: ANALOG UP
Check the IC1308 or IC1303.
If IC1308 or IC1303 is failure,
replace IC1308 or IC1303.
No
Ye s
IC1308 (pins 30,31,33,34,36,37,39,40)
Are there signals
(approx. 0.5 Vp-p)
IN all lines?
Step 9: TMDS
End

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