Main Micom - Onkyo TX-NR838 Service Manual

A B
SCHEMATIC DIAGRAMS-12
PRC(MPU) SECTION
1
MODEL NO.TX-NR636/NR737/NR838/DTR-30.6/40.6/50.6/HT-RC660
U0080(1/11)
BAPRC-1564 (1/11)
2
GNDDG
FLMD0
RESET
DRST
TP756
OC_DDI
TP755
OC_DDO
TP754
OC_DCK
TP753
OC_DMS
TP752
+3 3S
MPOWER
TP734 GNDDG
TP735
FSO
TP736
FHS
TP737
3
TP738
FCLK
TP739
FSI
TP740
FLMD0
TP741
RESET
TP742
TRGB
TP751
TRGAZ2
TP750
TRGC
TP749
IRIN
TP748
4 +3 3VMPU_232
TP747 GNDDG
TP760
+12VSTB
TP746 GNDDG 104K
12VGND
TP745 *C7007
RS232RXD_
TP744
RS232TXD_
TP743
RS-232C
*Q7010
*R7077
R1IN R1OUT
8 9 330
*C7021
V- INVALID 10
*R7080
7
104K
C2- T1IN
*C7022
6 11 330
5 NM C2+ FORCEON 12
106K
5
C7024
C1- T1OUT 13
4
104K
V+ GND
*C7023
3 14
C1+ VCC
NM *R7086
106K 2 15
EN FORCEOFF
1 16 10k
ICL3221ECVZ
M5;2:M4;6:M3
HPDET
2:M4
SPRLZ2
2:M4
6
SPRLFH
2:M4
SPRLSB
TUNER_VCC
2:M4
SPRLCS
2:M4
SPRLF
Q7027
1 VOUT 5
VIN
2
GND
3 NC 4
STBY
BU33TD3WG-TR
GNDDG
GNDDG
7
HDMIMUT
3:R6
MHL_VBUS EN
11:N2
HDMIZ2MUT
2:B7
256_128SEL
@xrefL
CEC
3:C4;3:R14;4:C11;11:C4;11:O6
STBPOWER1
2:H8;2:J2;2:M2;5:Q6
STBPOWER2
2:M2;4:O4;6:O3;6:R13;8:L5;9:B4;9:B6
NETPOWER
2:J2;2:M2;6:O3;8:A1;8:L3
8
TX-NR636/737/838/ DTR-30.6/40.6/50.6/ HT-RC660
C D
RESET
RESET
Q7020
PST803C270NM
RST VDD
GND
C7180 102K
R7180 2.7k
C7181 102K
R7181 2.7k
C7182 102K
R7182 2.7k
C7183
102K
R7183 2.7k
C7015 1
104K
2
3
FANCTRL P10/ANO0
1 AVREF0
4
P11/ANO1 2 AVSS
R7048
C7017 104K 220 5
AVREF1
R7008 47k
HPDET 6
P00/TIP61/TOP61
C7002 102K 7
R7029
P01/TIP60/TOP60
1k
R7050 10k 8
FLMD0
FLMD0
9
C7019 VDD
104K
10
C7020 REGC
106K
11
VSS
12
X7001 X1
5MHz
104K
13
CSTCR5M00G53-B0 X2
*C7014
14
RESET
C7052 102K 15
XT1
16
XT2
17
SYSOUT P02/NMI
R7061 220 18
REMIN P03/INTP0/ADTRG
R7062 220 19
SYSIN P04/INTP1
R7065 R7064 47 20
DRST P05/INTP2/DRST
47k R7066 220 21
IRIN P06/INTP3
NM R7070 47 22
VM_MISO P40/SIB0/SDA01
R7071 10k 23
VM_MOSI P41/SOB0/SCL01
R7075 24
VM_CLK P42/SCKB0
47x4
25
FLDCS P30/TXDA0/SOB4
26
MHL_CDET P31/RXDA0/INTP7/SIB4
27
TUNER_VCC P32/ASCKA0/SCKB4/TIP00/TOP00
28
P33/TIP01/TOP01
29
P34/TIP10/TOP10
30
NM P35/TIP11/TOP11
C7033
101J 31
TU_CK
P36
R7084 47 32
TU_DA NM
P37
R7132 47 33
C7034 EVSS
101J
34
EVDD
C7032
R7133 220 35
VM_RDY NM P38/TXDA2/SDA00
104K
R7135 10k R7134 220 36
HDMIZ2MUT P39/RXDA2/SCL00
L7003
BLM21PG221SN1
HPDET
SPRLZ2
SPRLFH
SPRLSB
SPRLCS
SPRLF
CEC
Q7013
CEC_OUT
1 8
1OE VCC
CEC 2 7 D7011
1A 2OE
DA2J10100
CEC_IN 3 6
1B 2B
4 5
GND 2A
SN74CB3Q3305PWR
Q7002 Q7003 Q7004
HDMIMUT
KRA102S
KRA102S KRA102S
MHL_VBUS_EN
Q7005 Q7007 Q7006
R7039 R7040 R7041
HDMIZ2MUT
2.2k 2.2k 2.2k
256_128SEL
KRC104S KRC104S KRC104S
CEC
MUTE
STBPOWER1
STBPOWER2
NETPOWER
E F
SCHEMATIC DIAGRAM (PART-14) MPU SECTION
108 47
PDL3/AD3 R7044
107
PDL2/AD2 R7046 220
106 R7049 47
PDL1/AD1
105
PDL0/AD0
C7018
104
BVDD
103 104K
BVSS
102
PCT7
101 R7126 220
PCT6/ASTB
100 R7151 220
PCT5
PCT4/RD 99 R7150 220
PCT3 98
PCT2 97
PCT1/WR1 96
PCT0/WR0 95

MAIN MICOM

PCS7 94
PCS6 93
PCS5 92
Q7009
PCS4 91
R7123
PCM5 90 220x4
PCM4 89
MPD70F3477AGJA-GAE-G PCM3/HLDRQ 88
PCM2/HLDAK 87 R7042
PCM1/CLKOUT 86 220x4
PCM0/WAIT 85 R7081
220
PCS3/CS3 84 R7051 220
PCS2/CS2 83 R7052 220
P915/A15/INTP6/TIP50/TOP50 76
PCS1/CS1 82 R7079 220
P914/A14/INTP5/TIP51/TOP51 75
PCS0/CS0 81
P913/A13/INTP4 74
PCD3 80
P912/A12/SCKB3 73
PCD2 79
R7053
PCD1 78
220x4
PCD0 77
R7091 220
76
R7032 220
75
R7076 220
74
73
R7092 47
Q7028
NM
KRA102S
104K
C7040
NM
D7005
DA2J10100
+3.3V_STB
Q7021
KRA102S
Q7023
R7172
2.2k
KRC104S
+5.0V_STB
+12V
Q7024
KRC104S
GNDDG
D7009
D7008
D7010
NM
POWER SUPPLY(FOR STB)
TX-NR636/737/838/ DTR-30.6/40.6/50.6/ HT-RC660
G H I
EEPROM
R7012
Q7001
10k
R7002
10k
1 8
CSB VCC
R7003
2 7
SO HOLDB
10k
3 6
WPB SCK
4 5
GND SI
M95640-WMN6TP
C7004
104K
R7043 10k
R7045 10k
R7047 10k
Z2VOL_CLK
MVOL_DAT
MVOL_CLK
R7152 10k
AMUT3.3
Z2MUT3 3
Z3MUT3 3
SBZ2MUT3.3
TRGAZ2
TRGB
TRGC
ARMZ2MUT
R7161 10k
Z2DACMUT
STPPOWER
DACCS
R7153 10k
DIRCS
R7011 10k
FHS
DACRST
DIRRST
R7155
DIRINT0
10kx4
DIGMUT
DIG_CLK
DIG_SDO
DIG_SDI
R7059 10k
ARM_CS
Z2HMMUT
CEC_IN
R7087 27k
POFF
R7009 1M
FCLK C7005
R7141 10k
104K
Q7011 Q7012
Q7014 Q7015
KRA107S KRA107S
THERMAL
KRC102S KRC102S 5VDISPOWER
R7063
SWPOWER
10k
KRC105S
MPOWER
Q7016
+3.3S
L7007 C7037 226M
BLM15PX181SN1D C7038 106K
L7006
BLM15PX181SN1D
D7006 DA2J10100
Q7018
1 VOUT 5
VIN
2
GND
3 NC 4
STBY +5V DIS +5.0S
BU33TD3WG-TR
Q7025
2SA1162-GR
R7112
R7111
Q8975 1k 0 BLM18PG181SN1D
1 VIN 5
VOUT Q7026
KRC104S
2
VSS
3 NC 4
CE
XC6701B502PR
D7007 D7004
DA2J10100
10k
DA2J10100 DZ2J062M0L DA2J10100
DA2J10100 R7027
GNDDG
J K
ARM_CLK
ARM_CLK
8:A2
ARM_MOSI
ARM_MOSI
8:A2
ARM_MISO
ARM_MISO
8:A2
ARM_RST
ARM_RST
7:L4;8:H9
Z2HMMUT
Z2HMMUT
6:O3
ARMZ2MUT
ARMZ2MUT
6:N3
DIG_SDI
DIG_SDI
6:N3
DIG_SDO
DIG_SDO
6:N3
DIG_CLK
DIG_CLK
6:N3
DIR_CS DIR_CS
6:N3
DACRST DACRST
6:O3
DIRINT0
DIRINT0
6:O3
DIGMUT
DIGMUT
6:N3
ARM_CS
ARM_CS
6:N3
ARM_RDY
ARM_RDY
6:N3
MIC_MUT
MIC_MUT
@xrefL
Z2VOL_CLK
Z2VOL_CLK
6:L3
MVOL_DAT
MVOL_DAT
6:L3
MVOL_CLK
MVOL_CLK
6:L3
VPROTECT
VPROTECT
6:L3
IPROTECT
IPROTECT
6:M3
SEC1H
SEC1H
6:M3
VOLH
VOLH
6:M3
AMUT
AMUT
6:M3
Z2MUT
Z2MUT
6:M3
SBZ2MUT SBZ2MUT
6:M3
Z3MUT
Z3MUT
6:M3
PRERL_SB
PRERL_SB
6:M3
TU_CK
TU_CK
6:M3
TU_DA
TU_DA
6:M3
TUNER_MUT
TUNER_MUT
6:M3
RI
RI
6:N3
HPDET
HPDET
C7;2:M4;6:M3
FANCTRL FANCTRL
2:M5
VM_MISO VM MISO
2:B7
VM MOSI
VM_MOSI
2:B7
VM_CLK
VM_CLK
2:B7
VM_RST
VM_RST
2:B7
VM_RDY
VM_RDY
2:B7
POFF2
POFF2
2:B7
GNDV_AUX
GNDV_AUX
2:B8
AUX_V
AUX_V
2:B7
FLDCLK
FLDSDO TP726
FLDCS TP725
KEYINT0 TP724
FLDRST TP723
KEYINT1 TP722
TP721
REMIN
TP720
+3 3S
TP719
KEY3
TP718
VOLA
TP717
KEY2
TP716
VOLB
to P701B
TP715
LEDVOL
TP714
U0040
TP762
AUX_V
TP713
BU2090F_DATA
TP712
GNDV_AUX
TP761
BU2090F_CLK
TP711
LEDTHRU
TP710
KEY1
FLPOWER TP709
KEY0 TP708
+5 0VDIS TP707
4.4V
TP706
to P501A
THERMAL U0011
TP733
+5 0V_THM
TP732
TP731
L7004
SWPOWER
to P901A
TP730
+12VSTB
TP729
GNDDG U0071
TP757
+9VST
TP728
MPOWERD
TP727