Cpu Assy (Vsx-1024-K, Vsx-1029-K, Vsx-44) - Pioneer VSX-824-K Service Manual

1

10.20 CPU ASSY (VSX-1024-K, VSX-1029-K, VSX-44)

A
NM
WIRE
B
CN214
C125Z2-09
A
CP16
1
C125Z1-11
B
1/7
CN213
CN101
C
A
CN12
A
CP18
1 3
D
2
L
CN801
CP722
DGND2
-
C251
C252 -
E
CN433
C125Z2-07
A
CP435
J
CPU ASSY
(VSX-1024-K: 7028074631010)
(VSX-1029-K: 7028074631020)
(VSX-44: 7028074631030)
F
J
36
1
2
IC301
NJM2888F33
D3004
33 31 29
LBAS16HT1G
32 30 28
D3003
LBAS16HT1G
D5.6V
NM
R280
0
W2_2
GND3
V+5V
V_POWERSAVE
BT_ON/OFF
2 4 6 8
3 5 7 9
BT_DET//FUNC
BT_OC//GPIO1
R350
DC_TRG+12V
1 2 3 4 5
5 7 9 11 13 15 17
4 6 8 10 12 14 16
C240
12V
NM
TRG1
44
OTHER
IR IN
SB_MUTE
AAMUTE
SW_SUM
VOL_CLK
C_CHASSI
VOL_DATA
IR OUT
HP_RLY
+6.8V
GNDA'
-6.8V
R510
MIC
CHGND
C257
BKT202
NM
HP_RO_1
GNDA_HP
HP_LO_1
C258
(HPL)
NM
2
3
B
1/7
CN102
27 25 23 21 19 17 15 13 11 9
26 24 22 20 18 16 14 12 10 8
GNDU
R343
NM
R325
NM
R322
NM
CN208
5K1
DAC0DET'
C125Z2-13
1
R359 10K
6 4 2
CN211
R355
7 5 3 1
C125Z2-07
OPEN
44
A
CP13
OTHER 0
NM
R355
44 : OPEN
TRANS_TEMP
R
L
GND C503
JA502 10N-K
JACK D3.5
C504 C505
C504 C505
4N7 1N
4N7-K 1N-K
0 0
C_CHASSI
RT1N241C
R
L505
L
BD241
GND
JA504
JACK D3.5
R508
-
D505 -
L504
R
L BD102 R509 0
GND
JA505
JACK D3.5
NM
C541
-
R576
10K Q523
ISA1530AC1
Q524
RT1N241C
VSX-824-K
3
4
7 5 3 1
CN201
C125Z1-33
6 4 2
WUSBPOW
STBY_RLY
NET_PWR
DVC_PWR
DIR_PWR
FL-30V
GNDU
PDN
R553
0
2 4 6 8 10 12
3 5 7 9 11 13
A
CP15
DC_TRG+12V
100N-K C253
Q218
2SC3052
TRANS_PRO
R270
TRANS_TEMP
100K
100N-K C241
DAC0DET''
VSX-44 only
AGND
Q502
RT1P441C
C529
Q503
15N-K
R558
6K2 R560
100
R557
330K
R532
4K7
Q511
RT1N241C
R533
4K7
Q519
KSA916
R571 R573
5R6
6R8
150mA
R294
10K
T12V_ERR
4
WIRE : NM
SP_DC
C_RLY
FBRL 50
SB_RLY
49
S_RLY
48
47
U_CE 46
45
R317 22
TUNER_RST 44
22
R300
TUNER_SEN
43
22
R299
TUNER_SDIO
42
EPM_UP
41
R298 22
TUNER_SCLK 40
F_RLY 39
R296 22
T12V_ERR 38
R297
10
STBY_RLY 37
22
R361
VOL_CLK
36
22
R362
VOL_DATA
35
R295 22
SCLK_JTAG/TR_DET' 34
R275
22
BUSY_JTAG/TRIGER1 33
R223 22
U_RX_CONT2 32
R225
22
U_TX_CONT3 31
Q201
ISA1530AC1
R310 10
R301 10K
MUTE_B+_CONT
Q202
RT1N237C
R249
0
R250
10K
1K
R261
D202
LBAS16HT1G
C227
R281
2.2/50
4K7
CPU_+3.3V