Pioneer VSX-523-K Service Manual page 63

5
7 5 3 1
8 6 4 2
C_RLY
51 52 53 54 55 56
50
49
RLY 48
47
D_CE/CE 46
R365 22
45
R317 22
NER_RST 44
R300 22
NER_SEN 43
R299 22
NER_SDIO 42
_UP 41
R298
22
NER_SCLK 40
LY 39
_RST 38
R297
10
Y_RLY 37
R361 22
_CLK 36
R362 22
_DATA 35
R295
22
_JTAG/TR_DET' 34
R275 22 R223
Y_JTAG 33
22
X 32
X 31
R225
22
30 29 28 27 26 25
D201 Q201
ISA1530AC1 R310
BAS16HT1G
10K
RT1N237C
Q202
R256 4K7
R257 4K7
8 7
Q206
C227
R281
2SC3052
2.2/50
4K7
IC204
CW24C16DR
1 2
IC206
SN74AHC1G08DCKR
423/523
R381 528/823
SN74AHC1G08DCKR
-
5
6
C257,C258,C259,C260
423/523 0 ohm
528/823
OPEN
R331
823 series 47K
C242
10N-K
57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77
IC203
M3030RFGPFP
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4
C245
CH20P
X201
16MHz(16pF)
C216
CH1N
C243
100N-K
C217
100/16
C241
680K
C220
10N-K
R369
0(2012)
D206
LBAS16HT1G
D207
LBAS16HT1G
CPU_+3.3V
R260
100
R262
100
6 5
3 4
IC206
C475 C481 R381
NC
0ohm
NC NC
100N-K
10/16 NC
6
F
BKT201
1 2 3 4
78 79 80
R221 47K
81
R222
-
82
R353
83 VIDEO_MUTE
22
84 OSD/FLT_DATA
85 PROTECT1
R311 22
86 VOL_DN
R312
22
87 VOL_UP
R313
22
88 IN_DN
89
R338
100
90 KEY1
R339 100
91 KEY3
R340
100
92 KEY2
R314
22
93 IN_UP
R315
22
94 FLT_CE
R324 10K
95
C215
96
10N-K
C246
97 USBDCERR
98
1N-K
R320
99
0
R224 10K
C247 1N-K
R226 10K
3 2 1
C248
1N-K
R228 10K
R237 47K
100N-K
C250
ZD1004
LUDZS3.3V
823/528 (SYX/JX)
423 (SYX)
OTHERS
The > mark found on some component parts
indicates the importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts
of identical designation.
VSX-523-K
7
CPU ASSY (7028073331010-IL)
1 2 3 4 BKT203
1 2 3 4
GND2
GNDCH
C257
0
C258
J252 4 3 2 1
J253
0 BKT202
0
0
FRONT_V
F_GND
C202
10N-K-1608
-VF(-30V)
C201
100N-K-1608
GNDU
C210 C211
10N-K-1608 100N-K
CPU_+3.3V
ST_H+5V
RMC
STBY_RLY
OSD/FLT_DATA
OSD/FLT_CLK
FLT_CE
IN_UP
KEY2
KEY3
KEY1
IN_DN
VOL_UP
VOL_DN
CNT_LED
D208
THRU_LED
LBAS16HT1G
USBDCERR
XMHLPERR
CEC_IO
GNDU
D209
SP_DC
LBAS16HT1G
+6.8V
AGND
-6.8V
C241
MIC_DET
680K C253
HP_DET
82P
HP_RO
OPEN
HP_AGND
HP_LO
C254
(HPL)
82P
C212
NM
C213
NM
Only VSX-528/823
DGND1
DC_DET4
DC_DET3
RADI_DET
TR_DET
ASO_DET
PROTECT2
ASO_DET
RADI_DET
NM
DC_DET'
SCLK_JTAG/TR_DET'
(HPL)
: Audio Signal Route (Headphone L ch)
7
8
A
CN704B
423/523 25P
528/823 29P
B
C
Only VSX-528/823
MIC
D
+12V
E
TR_DET
F
F
63
8