Pioneer VSX-521-K Service Manual

14
VSX-821-K
1
2 3 4
A
B
C
D
E
F
1
2 3 4
4. BLOCK DIAGRAM
4.1 OVERALL WIRING DIAGRAM
Q
BRIDGE A ASSY
(7028070222070-IL)
V
BT ASSY
(7028070231010-IL)
T
T
( 1/4- 4/4)
T
(VSX-821-K:7028070191030-IL)
(VSX-921-K:7028070191050-IL)
A
AUDIO ASSY
(VSX-821-K/521:702807018030
(VSX-921-K:702807018050-IL)
E
SUBWOOFR ASSY
(VSX-821-K/921:7028070272070-IL)
(VSX-521-K:7028070272050-IL)
(VSX-521-K:7028070191020-IL)
B
AMP ASSY (7ch) ( 1/2, 2/2)
B
B
(VSX-921-K:7028070251040-IL)
POWER ASSY
O
(7028070212050-IL)
F-VIDEO ASSY
M
(VSX-821-K/921:7028070214050-IL
FRONT ASSY
N
(VSX-821-K/921:7028070211050-IL)
(VSX-521-K:7028070211020-IL)
HEADPHONE ASSY
F
( 7028070215050-IL )
MIC ASSY
G
(VSX-821-K/921:7028070213050-IL)
(VSX-521-K:7028070213020-IL)
D
MAIN ASSY
(VSX-821-K: 70280702710H0-IL)
(VSX-921-K: 70280702710G0-IL)
(VSX-521-K: 70280702710D0-IL)
S
STANDBY ASSY (VSX-821-K/521:7028070225030-IL) (VSX-921-K:7028070225070-IL)
C
C
C
AMP ASSY (5ch) ( 1/2, 2/2)
(VSX-821-K/521:7028070241030-IL)
D-MAIN ASSY
Therefore, when replacing, be sure to use parts of identical designation.
When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST".
The > mark found on some component parts indicates the importance of the safety factor of the part.
1.FLAC
2.FLCT
3.FLAC
4
3
5
6
1
4
3
5
1
2.AGND
1.HP_L
3.HP_R
CN2
123
12
34
2
9
10
..
2.NC
4.NC
5.SR
4.SL
3.C
1.FL
.
.
2
.
2
1
11
.
.
2
16
14.AGND
11.BT_L
9.BT_R
10.AGND
6.AGND
4.AGND
2.AGND
.
.
2
14
9..2
3.-6.8V
.
17
16
1
.
.
15
14
1
4
51
2
4
2
..
12 8
CP304
2
6
2
1
..
89
123
19
10
..
1.AC
5.AC
12
12
2.FR
1
34
5
4
5
CP2
.
10
1
17
12.AGND
8.AGND
1
15
.
2
2
CP702
9.HDMI+12V
7.PDN
8.STBY_RLY
5.CPU_+3.3V
3.FLAC
4.GNDU
1.FLAC
1
2
3
3.GNDU
4.INPUT_DN
5.ST_H+5V
6.POWER_LED
1.STBY_KEY
3.FL2
1.FL1
CP701
CN721
1
CP403
CP405
CN3
2.NC
3.SBR
10.PREGND
9.HIGHGND
5.-HIGHB
6.-HIGHB
7.HIGHGND
4.-HIGHB
1.+HIGHB
2.+HIGHB
CP1
3.GND
(S1)
1
1.FL
2.FR
3.C
CP402
CN1
17.TUNER_+5V
14.TUNER_SEN
12.TUNER_SCLK
13.TUNER_SDIO
8.BT_DET
9.BT_TX
10.BT_RX
3.SIRIUS_P/E
5.BT_ON/CE
6.BT_+5V
4.U/DGND
1.SIRIUS_RX
(SW)
9.BT_TX
10.BT_RX
11.BT_/OC
7.BT_ID
6.BT_+5V
15.SIRIUS_R
13.SIRIUS_L
2.AGND
3.BT_L
CP603
(BT)
(SW)
5.TUNER_R
10
1.SW_MUTE
CP601
9.MIC_DET
10.MIC_SEL
7.GNDA
5.GNDA
6.PORTABLE_L
10
1.+6.8V
2.GNDA
16.GPIO2/INT
17.+5V(TUNER)
14./SEN
13.SDIO
12.SCLK
9.BT_RX
8.BT_DET
10.BT_TX
5.BT_ON/OFF
3.SIRIUS_P/E
4.U/DGND
6.+5V(BT)
1.SIRIUS_RX
(MAIN)
14.AGND
15.SIRIUS_R
13.SIRIUS_L
(MAIN)
10.AGND
11.BT_L
8.AGND
9.BT_R
6.AGND
5.TUNER_R
4.AGND
2.AGND
1.SW_MUTE
CN601
3
18.GNDA
15.SW_OU
13.C_OUT
14.GNDA
8.GNDA
9.SR_OU
10.GNDA
6.GNDA
4.GNDA
5.FR_OU
2.GNDA
1.AIN_R
6.CPU_ST_VCC
2.FLCT
9
2.INPUT_UP
2
(S5)
4.H/P DETECT
2
1.SBL
8.HIGHGND
(MAIN)
3.+HIGHB
(MAIN)
4.SL
5.SR
3
(MAIN)
16.TUNER_INT
15.TUNER_RST
11.BT_OC
7.BT_ID
2.SIRIUS_TX
CP602
8.BT_DET
7.TUNER_L
11
3.SW_OUT
1.BT_R
4.CPU_GND
5.BT_ON/CE
8.MICOUT
4.PORTABLE_R
15./RST
7.BT_ID
11.BT_OC
2.SIRIUS_TX
CP6
12.AGND
CP5
7.TUNER_L
3.SW_OUT
CN209
(BRIDGE_A)
16.GNDA
11.SL_OU
12.GNDA
7.FL_OU
3.AIN_L
CN702
CP701
3.GNDU
6.POWER_LED
5.ST_H+5V
4.INPUT_DN
1.STBY_KEY
9.HDMI+12V
7.PDN
5.CPU+3.3V
6.CPU_ST_VCC
2.FLCT
10.PREGND
8.HIGHGND
5.-HIGHB
6.-HIGHB
7.HIGHGND
3.+HIGHB
1.+HIGHB
2.+HIGHB
(S1)
11.BT_/OC
9.BT_TX
10.BT_RX
6.BT_+5V
7.BT_ID
5.BT_ON/CE
3.BT_L
2.AGND
1.BT_R
CN901
3
17.SBR_O
19.SBL_O
8.STBY_RLY
2.INPUT_UP
4.GNDU
9.HIGHGND
4.-HIGHB
(S2)
(S3,4)
(MAIN)
8.BT_DET
4.CPU_GND
1
5
(921
AC CORD
or INLET
MAIN TRANS

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