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TX-8050

Ref. No. 4272
042011




RECEIVER
MODEL TX-8050(B)/(S)




RC-816S
Black and Silver models
B MPP 230V AC, 50Hz
S MPP 230V AC, 50Hz
S MDC 120V AC, 60Hz
TX-8050



EXPLODED VIEWS-1 A072
A302
A057 x 7 pcs.
P901
A043 A059
A044 x 35 pcs.
x 2 pcs. A041
A045
U0010 U0030
A303
P901A A060
U010 A301
A809
U0045

P4401 A056
x 2 pcs.
P4808 E502
F951 E501
F952 A072 A027 A028
P5301A Refer to x 2 pcs. x 2 pcs.
U0031 x 4 pcs.
EXPLODED VIEWS-3 A018
P5302A x 2 pcs.
A025 x 4 pcs.
x 4 pcs.
A072 U0047
x 2 pcs. U0024
U0020 Refer to
EXPLODED VIEWS-2
U0022 U0042
A020 U0043
A017
F901 x 2 pcs.
T901
A055
F901E A021
A018
x 2 pcs.
A021 A015
U0044 A011
A020 A016
x 2 pcs. A073
A054
x 2 pcs.
A053 A012
A072 x 2 pcs. x 4 pcs.
x 2 pcs.
A225 A051 A013
x 3 pcs. x 4 pcs.




TX-8050
A052
x 2 pcs. A014
x 4 pcs.
TX-8050



EXPLODED VIEWS-2


P7001 P3101
A223
x 13 pcs.



A222
U0021 A072 x 2 pcs.
U0032

A201
A204
A221
x 2 pcs.
A232 U0046 A231
x 3 pcs. x 5 pcs.
A224 A207 A205
x 4 pcs.
U0040
U0041 A203
A256
A252
A258
U0023 x 2 pcs.
A254
x 2 pcs. A251

A208
A257 A258
A264
A253

A259
A260
A271
A204

A272
x 3 pcs.
A273




TX-8050
A291
x 3 pcs.
TX-8050



EXPLODED VIEWS-3







Q5019A


Q5019 Q5021A

Q5021


Q5019B D921 Q5022A


Q5021B Q5022 Q5020A


Q5020
D921A

Q5022B


Q5020B




TX-8050
TX-8030 / 8050 TX-8030 / 8050
A B C D E F G H I J K
SCHEMATIC DIAGRAM - 1 (SD - 1) Audio signal line (BD/DVD) (DAC OUT) Digital signal line (COAX1)
L channel
AUDIO BLOCK DIAGRAM SECTION R channel




1



R2A15218FP
R
MAIN L
58 HP-JACK
SUB TONE R
BD/DVD 59 23
47 93
42
60
24
+29dB
61 46 R
IN
2 94
62 43 L
VCR/DVR 54 TONE Speaker-A
63 21
+29dB
OUT L
64 55
20
65

C
CBL/SAT 66 95 17
38 R
67

18
68
Speaker-B
GAME SW
69 96 15

3 39 L




REC
70
14
IN 71
SR
97 11
R
TV/TAPE 72 41
PRE-OUT
73
OUT 12 L
75 SL
98 9 LPF Subwoofer
40
76
CD
8

78 44 SBR
4 99 5
R
79 37 Zone-2
PHONO MM L
81 6

45 SBL LPF
82 100 3
36
TUNER NO USE
83 2



84


DAB
85
M61540FP 4
5 3
86 26 12
NO USE 28
30 TONE
34
90
91 36 5

11

39
U.PORT OUT
17

2 6
27


IN
29
31 TONE
10
TX-8050 ONLY
33
-6dB
PHY ETHER
6 35
7

9
40
18
NO CONNECTION
NET_MCK
R OUT L OUT
NET_BCK
NET_LRCK
NET_DATA
NET_MCK
LPF DAC NET_BCK DSP
PCM9211 PCM1754 NET_LRCK ADSP_BCK DA830
NET_DATA ADSP_LRCK USB
LPF ADSP_DATA
ADC
DIR_MCK DIR_MCK DIR_MCK
7 DIR_BCK LPF DAC ADSP_BCK DIR_BCK
DIR_LRCK PCM1789 ADSP_LRCK DIR_LRCK
DIR_DATA ADSP_DATA DIR_DATA
COAX1 LPF
COAX2
DIR MPIO_B


44/48
OPT1
MPO0
256x44K
DIVIDE
OPT2
24.576MHz

TX-8050 ONLY TX-8050 ONLY TX-8050 ONLY
8
TX-8050 / 8030

A B C D E
SCHEMATIC DIAGRAM - 2 (SD - 2)
VIDEO BLOCK DIAGRAM SECTION


1




NJM2505AF


U.PORT NO USE

BH76360FV

58




2
BD/DVD
BH76360FV
IN
VCR/DVR 58

OUT


CBL/SAT
TV

MONITOR OUT
3
Z2 OUT




TX-8050 / 8030
4
TX-8030 / TX-8050

A B C D E

SCHEMATIC DIAGRAM - 3 (SD - 3)
F901 T-901 (TRANS)
MAIN TRANS / SUB TRANS / AC IN SECTION
US TYPE 8A 125V NPT-1604D

European TYPE T4AL250V NPT-1604P

1 BAPS-0727 Japanese TYPE 8A 125V NPT-1604J



F901 T-901(TRANSFORMER)
T905 F901A F901B
NPT-1604
US / Japanese TYPE NPT-1520JQ




P901
F901C F901D P961
European TYPE NPT-1520GQ
1 P960
2
1
P959
NPLG-2P631




NPLG-2P631
AC_CORD P903
P958
1 AC-H




BAPS-0705
To SD-5 I-6
2 AC-G
P957
2
P956




103M/275
2 P955




C901
1 4 P954
T905
P953 NC
4
3
2
1




RL901

3 2 P952
5
6
7
8
9




D901 P951

1SS355
C903 C902 P950
+10.1V
104Z
104Z
47(1/2W)
R902




TO SD-4 J-8 (AMP PWB)
NSCT-5P97
+11.4V
D902 D903 R903




FROM BAAF-0704
CAUTION
1SS355 1SS355 4.7(1/2W) FOR CONTINUED PROTECTION
2200/25(VR)




D904 AGAINST FIRE HAZARD, REPLACE
3 A V ONLY WITH FUSE OF SAME TYPE
C904
+




AND RATING INDICATED.
1SS355 +12.3V 1.MPOWERED 1
D905
2.+10VS 2
ATTENTIION
1SS355 3.GNDDG 3 AFIN D'ASSURER UNE PROTECTION
D906 PERMANENTE CONTRE LES RISQUES
4.+12VD 4 D'INCENDIE, REMPLACER UNIQUEMENT
A V PAR UN FUSIBLE DE MEME TYPE
1SS355 5.POFF 5 ET CALIBRATION COMME INDIQUE.
100/35(VR)




C905
C906




THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
104Z +6.3V




JL906B
D907 THAT THE FUSE USED IS SLOW OPERATING TYPE
+




FOR CONTINUED PROTECTION AGAINST FIRE FUSE
D908 1SS355 HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
RATING REFER TO THE MAKING ADJACENT TO THE SYMBOL.
1SS355 D909
CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST
D910 1SS355 A LENT, E POUR UNE PROTECTION PERMANENTE,N'UTILISER




TX-8030 / TX-8050
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST
INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
1SS355 +11.5V
D911
THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.
R904




1SS355 C907
100K




NOTE REPLACE ONLY WITH PART NUMBER SPECIFIED.
+




D912 4.7/50 D913
E910 E909 VOLTAGE ( MEASURED WITH VOLTMETER ) IS DC VOLTAGE ( NO INPUT SIGNAL

1SS355 ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
UDZS5.1B ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
+11.4V ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
ELECTROLYTIC CAPACITORS ARE IN

ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.

4 ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS

EX PRINTING SIDE

CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
TX-8050 / 8030

A B C D E
SCHEMATIC DIAGRAM - 2 (SD - 2)
VIDEO BLOCK DIAGRAM SECTION


1




NJM2505AF


U.PORT NO USE

BH76360FV

58




2
BD/DVD
BH76360FV
IN
VCR/DVR 58

OUT


CBL/SAT
TV

MONITOR OUT
3
Z2 OUT




TX-8050 / 8030
4
TX-8030 / TX-8050 TX-8030 / TX-8050
A B C D E F G H I J K
SCHEMATIC DIAGRAM - 4 (SD - 4) Audio signal line (CD)
L channel
AUDIO INPUT SECTION R channel




1

to SD-6 K-6 to DS-13 G-3 to SD-7 A-2
to SD-10 A-1 to SD-10 A-2
from TUNER PACK DG PWB to SD-6 D-1 to DAB/HDR DSP PWB PREOUT/ZONE2/RS232 PWB RB
VIDEO/UPORT VIDEO/UPORT
ALL DG PWB
ALL ALL 3P-->8030 15P-->8050 NO USE 8050 ALL NO USE
ALL




TUNER GND




DAB/HDR_R

DAB/HDR_L