Pioneer VSX-821-K Service Manual

35
VSX-821-K
5
6 7 8
5
6 7 8
A
B
C
D
E
F
Step 2: Power supply
CP1306 (pin 14)
IC1315 (pin 4)
CP1306 (pins 10, 11)
Is the voltage 0 to 3.3 V?
Is the voltage 3.3 V?
Is the voltage 12 V?
Is the voltage 5 V?
Is pin 6 (en) of IC1325
high?
Ye s
Is +3.3 V output voltage?
Ye s
CP1304 (pins 1, 2)
Ye s
CP1304 (pins 1, 2)
Ye s
IC1305 (pins 7, 8)
Ye s
Q1318 (collector)
Ye s
Ye s
IC1325 (pins 7, 8)
Ye s
Is pin 5 of IC1315
an above 6 V?
Ye s
Check the parts and pattern
in the path. (CP306 pin 4)
Check the parts and pattern
in the path.
Replace Q1318,Q1319.
No
Replace IC1315.
Replace IC1325.
Replace IC1305.
Replace Q1318.
Ye s
No
No
Diagonose the CPU Assy.
No
Diagonose the CPU Assy.
No
Diagonose the SUB CPU
(IC1316).
No
No
Is pin 6 (en) of IC1305
high?
Ye s
Ye s
Check the parts and pattern
in the path of Q1318, Q1319
etc.
Ye s
No
Diagonose the SUB CPU
(IC1316).
No
Q1318 base voltage
is 2.6 V?
No
Q1318 collector voltage
is 0 V? (base is 3.3 V)
No
No
Diagonose the MAIN Assy.
Is the voltage 12 V?
Is the voltage 3.3 V?
Is the voltage 3.3 V?
No
Diagonose the MAIN Assy.
SUB_ON
3.3 V input
HDMI_12V
HDMI_12V
HDMI_5V
HDMI_3.3V
ABT1015 3.3V
A

Pioneer VSX-821-K Specifications

General

Receiver type	Surround
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 (20-20KHz@8 Ohm)	130 W
AirPlay	No
Display	-
Product color	Black
Audio decoders	Dolby Digital Plus, Dolby Pro Logic IIz, Dolby TrueHD, DTS Neo:6, 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 outputs	7
Headphone connectivity	3.5 mm
Connectivity technology	Wired
Audio formats supported	AAC, MP3, WMA
Video formats supported	MPEG4
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	9200 g