Page 1
Quality Uncompromised
Technical
Manual
Table of Contents
Specification......................................
Parts List...........................................2~6
PCB Assembly..................................7~9
Schematic Diagram ..........................10~13
®
DOLBY DECODER
RDA-975
THE ROTEL CO., LTD.
SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU,
TOKYO 150-0045, JAPAN
Serial. NO.
Beginning
Y-351A-0107/W
Page 2
Parts List (1/5)
2
SYMBOL PART NO. DESCRIPTION SPECIFICATION
651B2U56B21P AC CORD SPT-2 #18AWG
85A556****** ACRY A-556
85A491****** ACRYLIC,LIGHT GUIDER A-491 ROUND
85A499****** ACRYLIC,LIGHT GUIDER A-499
75L63300177* AL PLATE L-633
93AU1*******
97D161****** ALUMINUM FOIL D-161
78C233701015 BOTTOM PLATE C-2337
TRANSFORMER 78C206000587 BRACKET,U-TYPE C-2060
78233801027* BREAKET,LEFT C-2338
78C233601014 BREAKET,RIGHT C-2336
98BSB4F1K*** BUSHING SB4F-1
POWER SWITCH 594722ERKCBW CAPACITOR,VDE 472/250V
TRANSFORMER TO B2882 J2 66HD686***** CONNECTOR ED-686 3P
TRANSFORMER TO B2882 J1 66HD463***** CONNECTOR ED-463 2P
TV3 92S064***** COPPER POST 12MM S-064
85A560****** FILM A-560
85A544****** FILTER A-544
81A4TSH19*** FOOT CUSHION 4TSH-19#2 50Φ
78C230501013 FRONT PLATE C-2305
B2882 F1-F3 2652000222*2 FUSE 19195 2A/250V T 5x20
SIZE 493x390x127 91IRDA975*** INSIDE CARTON G00065
60B2880***** P.C.B. B2880
60B2881***** P.C.B. B2881 KEY
60B2882***** P.C.B. B2882 POWER
60B2403A**** P.C.B. B2403B Z38500
KEY 85A480****** LIGHT BOX A-480
80MM 85A561****** ORNAMENT END CAP A-561 4TR-2797#2
SIZE 503x406x320 91CRDA975*** OUTER CARTON G00066
SCCR*P1809B* PLASTIC SCREW 1/8x9
80TQF15***** POWER PUSH KNOB 4TQF-15
20PSDLB1007U POWER SWITCH SDDLB1007U TV3
80KB383***** PUSH KNOB 2P KB-383
80KB382***** PUSH KNOB 3P KB-382
85A4TTL15*** PUSH SW CONNECTOR 4TTL-2(A-365)
97DS072***** PUSH SW SPRING TR-1988A(S-072)
85A358****** PVC,UPPER A-358(4TR-2418)
78C230601017 REAR PLATE C-2306
B2881x8.B2882x4.B2880x3 SCCR*T3006Y* SCREW CRTS 3x6
SCCR*T3006B* SCREW CRTS 3x6 B
FOOT CUSHION SCCR*T3008B* SCREW CRTS 3x8 B
SCCR*T3006B* SCREW CRTS 3x6 B
TV3.B2880x3.B2403Ax4 SCCR*M3006Y* SCREW CRMS 3x6 Y
TRANSFORMER SCCRWM4008B* SCREW CRWMS 4x8 B
SCCB*R3008B* SCREW CRTS 3x8 B
SCCF*T3008W* SCREW FLAT CRTS 3x8 W
78C233101018 SI-STEEL SHIELD C-2331
94D175****** SPONGE,EVA D-175 11x11x25
REAR PLATE STICKER EL-008
INSIDE CARTON STICKER EL-009
9903RDA975** STYROFOAM TZ-165-1-1
E53018M212** TRANSFORMER E53018M212**
POWER 990130ULB*** TUBE,SLEEVE 30Φ BLACK
78C230701016 UPPER COVER C-2307
85A506****** WASHER,LED A-506
85A418****** WASHER,RCA A-418
ALL PLATIC WIRE CONNECTOR
WASHER,PUSH SW 4TQF-13
S-1
Page 3
Parts List (2/5)
3
SYMBOL PART NO. DESCRIPTION SPECIFICATION
ACCESSORIES
68DB25****** DB25 CABLE WGC-1
99ORDA975*** OWER'S MANULAN RDA-975
9905RDA975** WARRANTY STATEMENT
PCB B 2 8 8 0
C9 491021HREFDT CAPACITOR CERAMIC 102/50V F/Z
C34.35.36.37.38.39.40.97.101 491031HRZFDT CAPACITOR CERAMIC 103/50V F/Z
C11.12.13.102.103.104.128-133 490471HRKSDT CAPACITOR CERAMIC 47P/50V SL/K
C24.25.26 491011HRKSDT CAPACITOR CERAMIC 100P/50V SL/K
C14.56.57.61.62.66.67.71.72.76.77.81.82.105.
120.122.124.126.135.138-145
C114.115.116.117.118.119 401001H0511T CAPACITOR ELEC 10U/50V
C10.58.59.60.63-65.68-70.73-75.78-80.83-85 404701E0511T CAPACITOR ELEC 47U/25V
C121.123.125.127 401011E6311T CAPACITOR ELEC 100U/25V
C23 481001H0511T CAPACITOR ELEC 10U/50V NP
C1.2.3.4.5.6.8.52.53.54.55.96.100.134.137 484701E0811T CAPACITOR ELEC 47U/25V NP
C42.44.46.48.50.136 501021HRJENT CAPACITOR MYLAR 102J/50V
C27.28.29.30.31.86.87.88.89.98.99 501041HRJENT CAPACITOR MYLAR 104J/50V
C32 502241HRJEMT CAPACITOR MYLAR 224J/50V MIN
C33 503331HRJENT CAPACITOR MYLAR 333J/50V
C7 508231HRJENT CAPACITOR MYLAR 823J/50V
C41.43.45.47.49.51 503321HRJENT CAPACITOR MYLAR 332J/50V
C90.91.92.93.94.95 531722AWORKF CAPACITOR PP-D 172/50V
F1.2.3.4.5.6.EMIF1.2.3.4.5.6 21FILTER102* CERAMIC FILTER 102
D1.2.3.4.7 131N4007**** DIODE 1N4007
D5 131N4148**** DIODE 1N4148
Y1 73B3C2T7P5P8 FERRITE BEAD 3.5x7.5x0.8
U19.20.21.22.25.26 11NJU201AD*D IC NJU201AD
U6.18 11NE5532AN*D IC NE5532AN
U24 11NJM353D**D IC NJM353
U11.12.13 11OPA2604APD IC OPA2604AP
U2.3.4.5.7.8.9.10.14.23.42 11AD712***** IC AD712JN
U15.16.17 11PCM1710U*S IC SMT PCM1710U
J13 68HSP246V634 RCA JACK HSP-246V6-34 6P
R135 300220C4TJ2T RESISTOR CARBON 1/4W T 220
R4.13.20.25.30.46.68.70.74 3002K2C4TJ2T RESISTOR CARBON 1/4W T 2K2
R11.45.49.82 3002K7C4TJ2T RESISTOR CARBON 1/4W T 2K7
R6.36.57.58.59.60.61 3004K7C4TJ2T RESISTOR CARBON 1/4W T 4K7
R99.107.118 3005K6C4TJ2T RESISTOR CARBON 1/4W T 5K6
R65.85.87.89.91.93.95.134 3006K8C4TJ2T RESISTOR CARBON 1/4W T 6K8
R7.8.9.10.98.108 30010KC4TJ2T RESISTOR CARBON 1/4W T 10K
R42.50.51.55.72.100 30012KC4TJ2T RESISTOR CARBON 1/4W T 12K
R48.78.79.80.81 30015KC4TJ2T RESISTOR CARBON 1/4W T 15K
R37.38.39.40 30018KC4TJ2T RESISTOR CARBON 1/4W T 18K
R41.43.52.56.71 30022KC4TJ2T RESISTOR CARBON 1/4W T 22K
R53.54.62.63.64.73.75.76.77.83.115 30047KC4TJ2T RESISTOR CARBON 1/4W T 47K
R5.12.21.26.31.35.44.67.69.97.106.109-114.117
R116 30330KC4TJ2T RESISTOR CARBON 1/4W T 330K
R86.88.90.92.94.96 39033001MJ** RESISTOR M.O.F 1W 330
R1.2.15.16.17.18.22.23.28.29.32.33 324K02C4TF2T RESISTOR METAL 1/4W T 4K02
R3.14.19.24.34.47 325K36C4TF2T RESISTOR METAL 1/4W T 5K36
R27.101.102.103.104.105 326K04C4TF2T RESISTOR METAL 1/4W T 6K04
SW2.SW4 NO MONO NO 20S04P022BY* SLIDE SWITCH SS004-P022BY-PF8
SW1.SW3 NO OFF NO 20S04P223BS* SLIDE SWITCH SS004-P223BS-PF8
561041HRZFDT CAPACITOR CERAMIC X7R 104/50V
68DBR25MTKO* DB25 JACK DBR25MTKO MALE
60B2880***** P.C.B B2880
30100KC4TJ2T RESISTOR CARBON 1/4W T 100K
Page 4
Parts List (3/5)
4
SYMBOL PART NO. DESCRIPTION SPECIFICATION
Q7 122SA970BL*T TRANSISTOR 2SA970BL/GR
Q8.9.10.11 122SC1815BLT TRANSISTOR 2SC1815BL/GR
Q1.2.3.4.5.6 122SC3327**T TRANSISTOR 2SC3327
J11 66W504508R** WAFER 5045-8P
J1.3.4 66W504504R** WAFER 5045-4P
J12 66W504503R** WAFER 5045-3P
J2 66W396302R** WAFER 5045-2P
D6 13Z4P70P5*** ZENER DIODE 4.7V/0.5W
Z1 13Z5P60P5*** ZENER DIODE 5.6V/0.5W
PCB B 2 8 8 1
C27 492021HRZFDT CAPACITOR CERAMIC 202/50V F
C14.15 490301HRKSDT CAPACITOR CERAMIC 30P/50V SL
C29-38.39-43 561041HRZFDT CAPACITOR CERAMIC 104/50V
C26 404701E0511T CAPACITOR ELEC 47U/25V
C17 401011E6311T CAPACITOR ELEC 100U/25V
C16 482201H0811T CAPACITOR ELEC 22U/50V NP
B2881 J6 TO B2880 J2 66HD945***** CONNECTOR ED-945 2P
B2881 J3 TO B2880 J12 66HD757***** CONNECTOR ED-757 3P
B2881 J4 TO B2403A J11 66HDA42***** CONNECTOR ED-A42 4P
B2881 J5 TO B2882 J3 66HD948***** CONNECTOR ED-948 3P
B2881 J2 TO B2403A J1 66HDA43***** CONNECTOR ED-A43 5P
B2881 J1 TO B2403A J7 66HDA41***** CONNECTOR ED-A41 6P
Y1 21CSA1200MTZ CRYSTAL OSC CERAMIC 12MHZ
D25.26 131N4148**** DIODE 1N4148
DIS2 18SDC0311EWA DISPLAY LED DC03-11EWA
DIS1 18SC0312EWA* DISPLAY LED SC03-12EWA
Q8 11M51951BSLB IC M51951B
U11 11F16V8B15PD IC ATF16V8B
U2 1156A11251*D IC AOC 56A1125-1
U18 11BA618****D IC BA618
C3.4.5.6.7.17 11CD74HC573E IC CD74HC573E
U1 1127C256R12D IC M27C256B
U12.13.14.15 11DT5C114E*D IC DT5C114E
U16 11TC74HC02AP IC 74HC02AP
U8.9 1174HC244AED IC 74HC244AP
U10 1193C46****D IC 93C46
D5.6.7.8.9.10.11.24 18L3XAT***** LED L-3XAT
D16.17.18.20.21.22.23.33 18L934IT**** LED L-934IT
1.2.3.4.19.27.28.32 18L3XGT***** LED L-3XGT
D12.13.14.15 18L937EYC*** LED L-937EYC
B2881 P2 TO B2403A B W100726400O* MULTI THREAD 1007#26 400MM
B2881 C26 + TO B2881 Q8.3 W100726210** MULTI THREAD 1007#26 210MM
B2881 D31 + TO B2881 +5V W100726030** MULTI THREAD 1007#26 30MM
60B2881***** P.C.B B2881
R2-16.32.38.39.42 300472C4TJ2T RESISTOR CARBON 1/4W T 470
R20.21.22.23.24.25.26.45 30001KC4TJ2T RESISTOR CARBON 1/4W T 1K
R17.18.19 3004K7C8TJ2T RESISTOR CARBON 1/8W T 4K7
R27.28.29 3005K6C8TJ2T RESISTOR CARBON 1/8W T 5K6
R33.34 30010KC8TJ2T RESISTOR CARBON 1/8W T 10K
R1 30022KC8TJ2T RESISTOR CARBON 1/8W T 22K
R35.36 30022KC8TJ2T RESISTOR CARBON 1/8W T 100K
R37 30001MC8TJ2T RESISTOR CARBON 1/8W T 1M
B2881 Q7(E) TO R40 3002K2C4TJ5B RESISTOR CARBON 1/4W T 2K2
30.31 29C44730807J RESISTOR NETWORKS 47K x 7
U1 10A28PBD**** SCOKET,IC 28P Pith 2.54
U11 10A20PBD**** SOCKET,IC 20P Pith 2.54
SW1-10.SW12.13 20GB3F1050** TACT SWITCH B3F-1050
Page 5
Parts List (4/5)
5
SYMBOL PART NO. DESCRIPTION SPECIFICATION
Q1.5.6 122SC2235Y*T TRANSISTOR 2SC2235Y
Q2.3.4 122SC2240BLT TRANSISTOR 2SC2240BL/GR
P2 31005K06H*** TVR 6Φ H-TYPE 5K
PCB B 2 8 8 2
C11 401001H0511T CAPACITOR ELEC 10U/50V
C3.4.16 401011C6311T CAPACITOR ELEC 100U/16V
C17.19 402211E8115T CAPACITOR ELEC 220U/25V
C1 482211E1020T CAPACITOR ELEC 220U/25V NP
C9.10.12 401021E1220B CAPACITOR ELEC 1000U/25V
C5.6.8 404721E1831B CAPACITOR ELEC 4700U/25V
C7.13.14.15.18 522242EWCRKF CAPACITOR MPP-C 0.22K/250V
C2 521042CWORKF CAPACITOR MPP-D 0.1/160V
B2882 J4 TO B2880 J11 66HDA40***** CONNECTOR ED-A40 8P
D3.5 131N4007**** DIODE 1N4007
D1.2 13S4VB20**** DIODE S4VB20
F1-F3 67A05******T FUSE HOLDER PFC5000-0202 5Φ
D1 76H02500129* HEAK SINK H-025
Q3 76H04200127* HEAT SINK H-042
U3.4 76H522000134 HEAT SINK H-522
U1 76H521000135 HEAT SINK H-521
U2 117805CT***D IC 7805CT
U1 11AN7805***D IC AN7805
U3 11AN7815***D IC AN7815
U4 11AN7915***D IC AN7915
60B2882***** P.C.B B2882
R2 30047KC4TJ2T RESISTOR CARBON 1/4W T 47K
R1 30150KC4TJ2T RESISTOR CARBON 1/4W T 150K
R5 300100C2TJ** RESISTOR CARBON 1/2W T 100
R4 302P2KC2TJ** RESISTOR CARBON 1/2W T 2K2
R3 39001K01MJ** RESISTOR M.O.F 1W 1K
U1.3.4 SCCR*T3008Y* SCREW CRTS 3x8 Y
Q3 SCR*T3006Y** SCREW CRTS 3x6 Y
H025 SCCR*T3015Y* SCREW CRTS 3x15 Y/B
Q1 122SC1815BLT TRANSISTOR 2SC1815BL/GR
Q2 122SC2235Y*T TRANSISTOR 2SC2235Y
Q3 122SB633E**B TRANSISTOR 2SB633E
J5 66W504502R** WAFER 5045-2P
J3 66W504503R** WAFER 5045-3P
J1 66W396302R** WAFER 3963-2P
J2 66W396303R** WAFER 3963-3P
SCWSY3Φ**** WASHER,SPRING 3Φ
D4 13Z4P70P5*2T ZENER DIODE 4.7V/0.5W
PCB B 4 0 3 B
C2.3.8.10-43.45.47-62.64.67-70.76.78-81.86.87
C84.85 541032EWCRKF CAPACITOR PS-C 0.01/100V
EMIF1.EMIF5 21FILTER101* CERAMIC FILTER 101
EMIF2.EMIF3.EMIF4 21FILTER104* CERAMIC FILTER 104
L1-L3 73C047UH**** CHOKE 47uH
B2403A J2 TO B2882 J5 66HD578***** CONNECTOR ED-578 2P
B2403A (J4)(J5)(J6) TO B2880(J1)(J3)(J4) 66HD870***** CONNECTOR ED-870 4P
OSC1 17OSC33MHZ*B CRYSTAL 33MHz
D2.3.4.20.11.12.13 131N4148**** DIODE 1N4148
Y1.2.3.8 73B3C2T7P5P8 FERRITE BEAD 3.5T x 7.5Φ x 0.8M
U1 11CSB8412CP* IC CSB8412-CP
U2 11ZR38500PQS IC SMT ZR38500
U3-U5 11AS7C25620S IC SMT AS7C256-20JC
561041HCZFST
CAPACITOR CERAMIC SMT
104/50V 0805
Page 6
Parts List (5/5)
6
SYMBOL PART NO. DESCRIPTION SPECIFICATION
U6 1174HC123DTS IC SMT 74HC123D
U7 1174HC595DTS IC SMT 74HC595D
U8 1174HC74DT*S IC SMT 74HC74D
U9.10.15 1174HC04DT*S IC SMT 74HCU04D
U11 1174HC02DT*S IC SMT 74HC02D
U17 1174HC125DTS IC SMT 74HC125D
U18 1174HC08DTS IC SMT 74HC08D
D1 18L32HD***** LED L-32HD 3Φ
IR1 14TORX176*** OPTICAL RECIEVER TORX176
60B2403A**** P.C.B B2403B
R44 UP 87010119**** PIN 1x1x19
J8.9 680501040YG* RCA JACK 0501040-YG
R20.21 300010C80805 RESISTOR CARBON SMT 1/8W 10
R34.38 300075C80805 RESISTOR CARBON SMT 1/8W 75
R7-R18 300100C80805 RESISTOR CARBON SMT 1/8W 100
R1.2.22.23.28-30.42 30001KC80805 RESISTOR CARBON SMT 1/8W 1K
R44 3003K3C80805 RESISTOR CARBON SMT 1/8W 3K3
R36.40 3004K7C80805 RESISTOR CARBON SMT 1/8W 4K7
R3.5.6.37.41 30010KC80805 RESISTOR CARBON SMT 1/8W 10K
R4.35.39.50 30022KC80805 RESISTOR CARBON SMT 1/8W 22K
R43 30100KC80805 RESISTOR CARBON SMT 1/8W 100K
R48 30001MC80805 RESISTOR CARBON SMT 1/8W 1M
R49 3004M7C80805 RESISTOR CARBON SMT 1/8W 4M7
C1.5 531031HCZFST RESISTOR CARBON SMT 103/50V 0805
C4 564731HCZFST RESISTOR CARBON SMT 473/50V 0805
C73.75 490101HCJNST RESISTOR CARBON SMT 10P/50V 0805
C66 444R71H0511T RESISTOR ELEC 4.7U/50V KULR
C6.7.44.46.63 403301C0511T RESISTOR ELEC 33U/16V
CX1.CX4-CX6.77 404701E0511T RESISTOR ELEC 47U/25V
C9 402211C8115T RESISTOR ELEC 220U/16V
C72.74 484701E0811T RESISTOR ELEC 47U/25V NP
Q1 122SC2458GRT TRANSISTOR 2SC2458GR
J11 66W504504R** WAFER 5045-4P
J1 66W504505R** WAFER 5045-5P
J7 66W504506R** WAFER 5045-6P
Page 7
PCB Assembly
7
B2880 Top Side
Page 8
PCB Assembly
8
B2880 Patterns of Top and Bottom
Page 9
PCB Assembly
9
B2881 Top Side
B2881 Patterns of Top and Bottom
B2882 Top Side
B2882 Patterns of Top and Bottom
Page 10
Schematic Diagram B2880
10
J1
1
2
3
4
5045-4P
J3
1
2
3
4
5045-4P
J12
1
2
3
CON3
J4
1
2
3
4
5045-4P
WCKI
DATA
BCKIN
SCKI
WCKI
DATA
BCKIN
SCKI
WCKI
DATA
BCKIN
SCKI
C64
C62
104/50V
47u/25V
DGND
20
21
22
23
24
25
28
VCC
CKSL
MUTE
DGND
MODE
MD/DM126MC/DM227ML/DSD
DGND7VCC8VCCA2R
LRCIN1DIN2BCKIN3CLKO4XTI5XTO
6
9
DGND
C65
47u/25V
C74
47u/25V
DGND
C75
47u/25V
C84
47u/25V
DM1
DM2
DSD
DGND
C85
47u/25V
C56
104/50V
C72
104/50V
DGND
20
21
22
23
24
25
28
VCC
CKSL
MUTE
DGND
MODE
MD/DM126MC/DM227ML/DSD
DGND7VCC8VCCA2R
LRCIN1DIN2BCKIN3CLKO4XTI5XTO
6
9
C66
104/50V
C82
104/50V
DGND
20
21
22
23
24
25
28
VCC
CKSL
MUTE
DGND
MODE
MD/DM126MC/DM227ML/DSD
DGND7VCC8VCCA2R
LRCIN1DIN2BCKIN3CLKO4XTI5XTO
6
9
C76
104/50V
R108
WR1
R107
Q9
NPN
WR1
C61
104/50V
19
VCCA2L
AGND2L
AGND2R
10
104/50V
C71
104/50V
19
VCCA2L
AGND2L
AGND2R
10
104/50V
C81
104/50V
19
VCCA2L
AGND2L
AGND2R
10
104/50V
18
EXT1R11EXT2R12VOUTR
18
EXT1R11EXT2R12VOUTR
18
EXT1R11EXT2R12VOUTR
16
EXT2L17EXT1L
13
C59
47u/25V
C57
16
EXT2L17EXT1L
13
C69
47u/25V
C67
16
EXT2L17EXT1L
13
C79
47u/25V
C77
AGND
C60
47u/25V
15
VOUTL
14
AGND
AGND
C70
47u/25V
15
VOUTL
14
AGND
AGND
C80
47u/25V
15
VOUTL
14
AGND
VCCA
AGND
VCCA
AGND
VCCA
AGND
C63
47u/25V
U?
PCM1710U
C58
47u/25V
C73
47u/25V
U?
PCM1710U
C68
47u/25V
C83
47u/25V
U?
PCM1710U
C78
47u/25V
C118
10u/25V
C116
10u/25V
C114
10u/25V
C115
10u/25V
C119
10u/25V
C117
10u/25V
C54
D3
NP
8
IN4
9
R68
2K2
R70
2K2
R74
2K2
IN3
SUB SP SW
U26
NJM201A
2
3
6
5
47u/25V
47u/25V
47u/25V
C25 100P/160V MPP-D
R8
10K
-
330/1W
+
1
U14A
2SC3327
8 4
AD712
C26
100P/160V
MPP-D
R9
10KR10
-
+
7
U14B
AD712
8 4
-
C8
2
C96
C100
C37
C97
C101
3
R67
100K
6
5
R69
100K
6
5
R73
100K
SW4
SLIDE SW-3P
123
+
8 4
-
+
8 4
-
+
8 4
47u/25V NP
R45
2K2
10u/50V
NP
103/160V
MPP
NP
103/160V
MPP
NP
103/160V
MPP
YES NO
R86
R88
330/1W
2SC3327
AD712
AD712
AD712
C10
C23
NP
EMIF1
EMI 102
R97
100K
C127
100u/25V
C125
100u/25V
2SC2240
C12
C13
50P
C103
C104
50P
C120
104/50V
C11
50P
50P
C102
50P
50P
C15
103/50V
C19
103/50V
C106
103/50V
C110
103/50V
R98
10K
Q8
123
EMIF2
EMI 102
123
EMIF3
EMI 102
123
EMIF4
EMI 102
123
EMIF5
EMI 102
123
EMIF6
EMI 102
123
R85
Q1
6K8
R87
Q2
6K8
U7A
R90
330/1W
1
2SC3327
U23B
7
2SC3327
U24B
7
2SC3327
R115
47K
R44
100K
R92
330/1W
R94
330/1W
6
5
102/50V
-
+
8 4
R89
Q3
6K8
R91
Q4
6K8
R93
Q5
6K8
C9
R100
12K
U7B
AD712
7
2SC3327
R96
330/1W
C123
100u/25V
R116
100K
R95
Q6
6K8
C122
104/50V
F2
EMI 102
123
F1
EMI 102
123
F3
EMI 102
123
F5
EMI 102
123
F4
EMI 102
123
F6
EMI 102
123
2SA970
Q7
C121
100u/25V
Y1
BEAD
DIGITAL GN D
C16
103/50V
TO CHASSIS GND
C20
103/50V
TO CHASSIS GND
C107
103/50V
TO CHASSIS GND
C111
103/50V
TO CHASSIS GND
R99
5K6
R106
100K
C126
104/50V
C124
104/50V
C128
C129
C130
C131
C132
C133
104/50V
50P
50P
50P
50P
50P
50P
C105
C135
A GND
D GND
1
1
1
1
1
1
104/50V
47u/25V NP
R OUTPUT
J5
RCA
2
R OUTPUT
J6
RCA
2
R OUTPUT
J7
RCA
2
R OUTPUT
J8
RCA
2
R OUTPUT
J9
RCA
2
R OUTPUT
J10
RCA
2
C134
47u/50V NP
47u/50V NP
L
C
R
SUB
SL
SR
CONNECTOR DB25
MALE JACK
C14
104/50V
C55
C17
103/50V
C21
103/50V
C108
103/50V
C112
103/50V
B+15V
AGND
B_15V
A+5V
DGND
D+5B
TO CHASSIS GND
TO CHASSIS GND
C52
P1
1
14
2
15
3
16
4
17
5
18
6
19
7
20
8
21
9
22
10
23
11
24
12
25
13
TO CHASSIS GND
C18
103/50V
C22
103/50V
C109
103/50V
C113
103/50V
MUTE
J2
1
2
3963-2P
J11
1
2
3
4
5
6
CON6
OUTPUT
TO
DB25
R4 2K2
U1A
C43
102/50V
PP-D
C41
102/50V
PP-D
C47
102/50V
PP-D
C45
102/50V
PP-D
C51
102/50V
PP-D
C49
102/50V
PP-D
U2B
AD712
AD712
AD712
AD712
102/50V
102/50V
102/50V
U3A
102/50V
U3B
AD712
102/50V
U4A
102/50V
-
2
+
3
C42
8 4
PP-D
R3
5K36
-
2
+
3
C44
8 4
PP-D
R14
5K36
-
6
+
5
C46
8 4
PP-D
R19
5K36
-
2
+
3
C48
8 4
PP-D
R24
5K36
-
6
+
5
8 4
C50
PP-D
R47
5K36
-
2
+
3
8 4
C136
R34
5K36
R105
6K04
OPA2604
U9B
OPA2604
OPA2604
OPA2604
OPA2604
OPA2604
R1
4K02
R2
U9A
4K02
-
2
+
1
3
8 4
R103
R15
6K04
4K02
R16
4K02
-
6
+
7
5
8 4
R104
6K04
R17
4K02
U10A
R18
4K02
-
2
+
1
3
8 4
R102
6K04
R22
4K02
R23
U10B
4K02
-
6
+
7
5
8 4
R27
6K04
R28
4K02
R29
U8A
4K02
-
2
+
1
3
8 4
R101
R32
6K04
4K02
R33
U8B
4K02
-
6
+
7
5
8 4
R109
100k
R110
100k
R111
100k
R112
100k
R113
100k
R114
100k
1
R13 2K2
U2A
AD712
1
R20
2K2
7
R25
2K2
1
R30
2K2
7
R46
2K2
1
C95
100/50V
PP-D
100/50V
100/50V
100/50V
100/50V
100/50V
C1
47u/25V
NP
C36
103/160
MPP
C90
PP-D
C2
47u/25V
NP
C39
103/160
MPP
C91
PP-D
C3
47u/25V
NP
C34
103/160
MPP
C92
PP-D
C4
47u/25V
C35
103/160
MPP
C93
PP-D
C5
47u/25V
NP
C40
103/160
MPP
C94
PP-D
C6
47u/25V
NP
C38
103/160
MPP
R35
100K
U12A
OPA2604
-
R6
4K7
2
+
1
3
8 4
R5
100K
U12B
OPA2604
-
6
+
5
8 4
R12
100K
OPA2604
-
2
+
3
8 4
R21
100K
OPA2604
-
6
+
NP
5
8 4
R26
100K
U11A
OPA2604
-
2
+
3
8 4
R31
100K
U11B
OPA2604
-
6
+
5
8 4
R66
6K8
R61
4K7
7
R65
6K8
U13A
1
U13B
7
1
R48
15K
R78
15K
R36
4K7
7
U4B
AD712
R57
4K7
6
5
R58
4K7
R59
4K7
2
R60
4K7
6
5
3
104/160V
104/160V
104/160V
104/160V
R79
15K
R81
15K
R80
15K
R82
100P/160V
2K7
MPP-D
-
+
7
8 4
104/160V
104/160V
C27
MPP
C98
MPP
C24
R37
18K
C86
7
104/160V
1
SURROUND
MPP
104/160V
MPP
MPP
SLIDE SW-3P
C87
MPP
R42
22K
R43
30K
SMALL
123
678
R50
22K
R41
30K
123
678
SP SW
R72
22K
R71
30K
R38
9K1
R51
22K
C88
104/160V
SW2
FRONT SP S W
R55
22K
104/160VMPP
6
5
LARGE
NOUN
45
SW1
P223BSM-PF8
2
3
NOUN
45
SW3
P223BSM-PF8
2
3
C7
104/50V
R52
C89
R56
U1B
AD712
-
+
8 4
U23A
AD712
-
+
8 4
C29
MPP
C30
MPP
LARGE
C28
MPP
LARGE
C99
MPP
C31
104/160V
30K
30K
-
+
8 4
-
+
8 4
-
+
8 4
2
3
123
6
5
U6B
AD712
7
D2 1N4002
1N4002
D1
U6A
AD712
1
D4 1N4002
1N4002
D3
U24A
AD712
1
-
2
+
3
8 4
U5A
AD712
U18A
AD712
-
+
1
8 4
SMALLLARGE
U18B
AD712
-
+
7
8 4
R62
47K
R75
47K
1
R39
18K
1D12S13V-4
IN1
IN2
16
R64
47K
1D12S13V-4
IN1
IN2
16
1D12S13V-4
IN1
IN2
16
C32
104/160V
MPP
R40
9K1
R54
47K
5S46D47
5S46D47
5S46D47
GND
GND
GND
1D12S13V-4
16
1D12S13V-4
16
10S311NC12V+13S214D215
10S311NC12V+13S214D215
10S311NC12V+13S214D215
C33
104/160
5S46D47
8
U19
NJM201A
IN1
IN4
GND
D3
IN3
IN2
9
10S311NC12V+13S214D215
R53
47K
5S46D47
8
U20
NJM201A
IN1
IN4
GND
D3
IN3
IN2
9
10S311NC12V+13S214D215
8
U21
NJM201A
IN4
D3
IN3
9
R63
47K
8
U22
NJM201A
IN4
D3
IN3
9
R76
47K
8
U25
NJM201A
IN4
D3
IN3
9
R77
47K
-
6
+
7
5
U5B
AD712
8 4
MPP
C53
47u/25V
R7
NP
10K
R49
2K7
47u/25V
10K
R11
2K7
R83
R84
47K
47K
1D12S13V-4
5S46D47
IN1
GND
IN2
10S311NC12V+13S214D215
16
Page 11
Schematic Diagram B2881
11
COAXIAL 1
COAXIAL 2
R2
470R3470R4470R5470
D1
LEDD2LEDD3LEDD4LED
C19
C20
C21
104/50V
C22
104/50V
104/50V
C23
104/50V
TO CHASSIS GND
104/50V
C24
104/50V
DIGITAL
C18
104/50V
C25
104/50V
DOLBY
AC-3
PRO-LOGI C
SURROUNDTOSLINK
R38
470
D27
LED
6
OUT12OUT23OUT34OUT45OUT5
E
IN58IN49IN310IN211IN1
7
12
Q119Q218Q317Q416Q515Q614Q713Q8
D12D23D34D45D56D67D78D8
PO.0 PO.3
PO.1 PO.4
PO.2 PO.5
PO.3 PO.6
PO.4 PO.7
PO.5
1
E
PO.6
U12
DT5C114E
12
9
11
PO.7
L C R
R6
470R7470R8470R9470
D5
LED
D8
LEDD9LED
U3
74HC573
OC
C
1
TVR1
10KB
R44
2K7
RS1 RS2 LS1 LS2
12
RS1
D24
LED
6
E
IN58IN49IN310IN211IN1
7
R43
3K3
D6
LED
D10
LED
OUT12OUT23OUT34OUT45OUT5
12
C29
1u/25V
1
E
2 CH
STEREO
RS2
12
U13
DT5C114E
PINK NOISE
PINK NOISE CONTROL
D15
L-937EGW
D12
L-937EGW
LFE
R10
R11
R12
470
470
LS1
D7
LED
D11
LED
470
12
D13
L-937EGW
LS2
12
D14
L-937EGW
Q119Q218Q317Q416Q515Q614Q713Q8
D12D23D34D45D56D67D78D8
PO.0
PO.1
PO.2
PO.3
R13
470
12
9
PO.4
PO.5
PO.6
PO.7
mS
%
R16
R32
470
470
D20
D22
LED
LED
D21
D23
LED
LED
1
6
U14
E
DT5C114E
OUT12OUT23OUT34OUT45OUT5
E
IN58IN49IN310IN211IN1
7
12
mS
%
U4
74HC573
OC
C
1
11
C1.1C2.1C3.1C4.1C5
2 CH
TEST
DYNAMIC
RANGE
2 CH
LOCK
STEREO
R15
470
D19
LED
.1
R14
470
D16
LED
D17
LED
D18
LED
1
6
OUT12OUT23OUT34OUT45OUT5
E
IN58IN49IN310IN211IN1
7
12
Q119Q218Q317Q416Q515Q614Q713Q8
D12D23D34D45D56D67D78D8
PO.0
PO.1
PO.2
PO.3
PO.4
PO.5
E
PO.6
U15
DT5C114E
12
9
PO.7
TEST
R39
470
D28
LED
U5
74HC573
OC
C
1
11
POWER
R42
470
D32
LED
R45
470
D33
LED
R20
R21
R22
1K
R23
1K
R24
1K
1K
1K
DIS1
SC03-12EWA
8761294
14
13
R25
R26
1K
1K
DIS2
DC03-11EWA
3986741105
12
R27
5K6
Q2
2SC2240
R28
5K6
Q3
2SC2240
R29
5K6
Q4
2SC2240
Q1
2SC2235
Q6
2SC2235
Q5
2SC2235
U10 93C46
8
VCC
7
NC
6
NC
5
GND
PO.0
PO.1
PO.2
PO.3
PO.4
PO.5
PO.6
PO.7
3
1Y1181Y2161Y3141Y4122Y192Y272Y352Y4
74HC244
U8
1A121A241A361A482A1112A2132A3152A4171G12G
10K
R30
100Kx7
R33
DOUT
19
CS
SCK
DIN
R34
10K
1
2
3
4
PO.0
PO.1
1Y1181Y2161Y3141Y4122Y192Y272Y352Y4
U9
1A121A241A361A482A1112A2132A3152A4171G12G
C26
47U/25V
C14
30P
R1
C15
22K
30P
PO.2
3
J3
123
R31
100Kx7
CON4
19
74HC244
Y1
12 MHZ
R36
100K
12345
4
U2
31
EA/VP
19
X1
18
X2
9
RESET
12
INT0
13
INT1
14
T0
15
T1
1
P1.0
2
P1.1
3
P1.2
4
P1.3
5
P1.4
6
P1.5
7
P1.6
8
P1.7
80C31
J1
CON6
6
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
RD
WR
PSEN
ALE/P
TXD
RXD
TO 8031-14
TO 8031-13
TO 8031-12
TO 8031-11
TO 8031-10
U16C
10
74HC02
PO.0 PO.0 PO.0
39
38
PO.1 PO.1 PO.1
37
PO.2 PO.2 PO.2
PO.3 PO.3 PO.3
36
PO.4 PO.4 PO.4
35
PO.5 PO.5 PO.5
34
33
PO.6 PO.6 PO.6
32
PO.7 PO.7 PO.7
P2.O P2.1
21
P2.1 P2.2
22
23
P2.2 P2.3
24
P2.3 P2.4
P2.4
25
P2.5
26
P2.6
27
28
P2.7
17
16
29
30
11
10
J2
1
2
3
4
5
CON5
8
9
C27
202/50V
U17
2
3
4
5
6
7
8
9
11
1
VCC
U11
16V8
R37
1M
D1
D2
D3
D4
D5
D6
D7
D8
C
OC
74HC573
11
19
Q1
18
Q2
17
Q3
16
Q4
15
Q5
14
Q6
13
Q7
12
Q8
P2.O
P2.7
P2.6
P2.5
I01I12I23I34I45I56I67I78I89I9
F012F113F214F315F416F517F618F7
19
U16A
2
3
74HC02
10
9
8
7
6
5
4
3
25
24
21
23
2
26
27
20
22
1
1
22u/25VNP
R35
100K
U1
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
CE
OE
VPP
27256
C16
D26
1N4148
U6
2
3
4
5
6
7
8
9
11
1
2
3
4
5
6
7
8
9
11
1
D1
D2
D3
D4
D5
D6
D7
D8
C
OC
74HC573
U7
D1
D2
D3
D4
D5
D6
D7
D8
C
OC
74HC573
19
Q1
18
Q2
17
Q3
16
Q4
15
Q5
14
Q6
13
Q7
12
Q8
19
Q1
18
Q2
17
Q3
16
Q4
15
Q5
14
Q6
13
Q7
12
Q8
11
O0
12
O1
13
O2
15
O3
16
O4
17
O5
18
O6
19
O7
PO.0
PO.1
PO.2
PO.3
PO.4
PO.5
PO.6
PO.7
U16B
5
6
4
74HC02
U18
16
15
14
13
12
11
10
9
1
O1
I1
2
O2
I2
3
O3
I3
4
O4
I4
5
O5
I5
6
O6
I6
7
O7
I7
8
VCC
GND
BA618
R17
R18
4K7
4K7
R19
4K7
MUTE MUTE
D25
1N4148
C17
100u/25V
VCC
R40
10K
D29
2SC1815
D31
1N4148
Z4.7V
TOSLIN K
COAXIAL 1
COAXIAL 2
2SC1815
Q7
RF
GND
Q8
J4
1
2
3
4
CON4
J6
1
2
CON2
R41
100K
C28
47u/25V
CONTROL B10V
CONTROL B+5V TO
DISCHARG E
D30
1N4002
J5
1
2
GND
3
4
CON4
POWER PCB
TEST
SW1
TACK
TOSLINK
SW2
TACK
COAX 1
SW3
TACK
COAX 2
SW4
TACK
PROLOGIC
SURROUND
SW5
TACK
PCM
STEREO
SW6
TACK
INIT
RESET2 CH
SW13
TACK
SW7
SW8
TACK
TACK
UP DOWN C&S
DELAY SELEC T
CENTER/SURROUN D
SW9
TACK
DYNAMIC
RANGE
SW10
TACK
DIALOG
SW12
TACK
AC-3
DOLBY
DIGITAL
C6.1C7.1C8.1C9.1C10.1C11.1C12.1C13
.1
Page 12
Memo
12
Page 13
Schematic Diagram
13
J2
123
3963
TYPE
CON3
AC
18Vx2
former
To Trans-
B2882
3963
TYPE
AC
10V
J1
CON2
1
2
former
To Trans-
H-522
WITH
HEATSINK
U3
R5
U2
F2
FUSE 2A
D2
34
C14
224/250V
3
IN
JRC7815
OUT
1
224/250V
MPB
100/0.5W
3
IN
JRC7805
OUT
1
S4VB
1 2
C5
4700u/35VC64700u/35V
MPB
GND
2
C10
C12
1000u/25V
C18
C19
220u/25V
GND
2
C17
F3
FUSE 2A
MPB
3
1000u/25V
C13
C15
1
OUT
IN
2
MPT
224/250V
WITHWITH
GND
224/250V
H-522
HEATSINK
U4
JRC7915
H-042
HEATSINK
F1
FUSE 2A
D5
1N4002
R4
2K2/0.5W
D3
R1
100K
Q1
2SC1815
R2
47K
R3
1K/1W
Q3
2SA633
C11
1N4002
C3
100u/16V
D4
Q2
2SC2235
C4
100u/16V
10u/50V
WITH
Z4.7V/0.5W
U1
D1
S4VB
34
WITH
H-497
HEATSINK
H-521
3
HEATSINK
IN
JRC7805
OUT
1
1 2
C8
4700u/35V
C7
GND
2
C9
MPB
C16
100u/25V
1000u/25V
224/250V
C2
104/150V
C1
220u/25V NP
GROUND
TO CHASSIS
220u/25V
2051
TYPE
B+18V
12345
J4
GND
TO
B-18V
A+5V
MAIN
PCB
GND
D+5V
6
CON6
2051
TYPE
J3
DISCHARGE
GNDPCB
CONTROL B+10V
CONTROL B+5V
123
4
CON4
KEY
TO
Control
2051
TYPE
1
2
J5
CON2
TO
PCB
B2403
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