Cpu Assy - Pioneer VSX-523-K Service Manual

1

10.7 CPU ASSY

VSX-528/823:11P
A
FPC203 R210 R229 R230
100
423/523 1.0-11S-10PW 100
100
NC NC NC NC
528/823
Only
VSX-423/523
100
R230
100
R229
R210 100
B
RESET
R206 100
CPU_+3.3V
R205 100
R204 100
CNVSS_UP
R203 100
EPM_UP
R202 100
OSD_CE/CE
R201 100
BUSY_JTAG
R246 100
SCLK_JTAG/TR_DET'
100
R247
FPC201
1.0-11S-10PW
C
IC205
423/523 SN74AHCT08PW
NC
528/823
OSD_CE/CE
D
OSD_CE1
OSD_RST1
IC205
SN74AHCT08PW
OSD/FLT_CLK
OSD/FLT_DATA
Only
VSX-423/523
E
F
F
A
1/2
CP13
62
1
2
VSX-423/523:11P
B
1/3
U_TX
U_RX
R270 R302 R327 C238 C240
47K
47K 47K 10N-K 1N-K
NC NC NC
NC NC
OSD_RST
14 13 12 11 10 9 8
1 2 3 4 5 6 7
423/523
528/823
C219
1N-K
R280
0
A
1/2
2
3
CN204
CN203A CN203B
11P
423/523 NC
528/823 NC 11P
CN201
C125Z1-33
IC301
AP1117-3.3
Only
R240
VSX528/823
0
A+12V
R103
AGND
R104
A-12V
Q102
RT1P237C
CN209A CN209B
25P
NC
NC
31P
C255
NM
CN209A
VSX423/523
25P
A
CP15
VSX-523-K
3
4
B
1/3
CN201
33 31 29 27 25 23 21 19 17 15
32 30 28 26 24 22 20 18 16 14
GNDU
+6.8V
180(1/4)
180(1/4)
-6.8V
(HPL)
R105
10(1/4)
HP_LO
HP_RO
CPU_+3.3V
Q303
2SC3052
R249
0
R250
10K
GNDU
C259
C256 C260
NM
VSX528/823:31P
1/2
CP16
4
13 11 9 7 5 3 1
12 10 8 6 4 2
S_RLY
OSD_CE/CE
R365 22
R317 22
TUNER_RST
R300 22
TUNER_SEN
R299
TUNER_SDIO
EPM_UP
R298
TUNER_SCLK
F_RLY
OSD_RST
R297
STBY_RLY
R361 22
VOL_CLK
R362 22
VOL_DATA
R295
22
SCLK_JTAG/TR_DET'
R275 22 R223
BUSY_JTAG
22
U_RX
U_TX
R
D201 Q201
ISA1530AC1
LBAS16HT1G
MUTE_B+
RT1N237C
Q202
Q206
C227
R281
2SC3052
2.2/50
4K7
IC206
0
SN74AHC1G08DCKR
0
CN209B
R381
-