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SLV-777HF/778HF/788HF
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SLV-777HF/778HF/788HF
MA-327 (REC/PB AMP) SCHEMATIC DIAGRAM -- Ref. No.: MA-327 Board; 1,000 Series --
MA-327 BOARD
MA-327 BOARD
CJ570 CN101 CN102 CN103 CN104 CN105 CN161 CN260 CN261 CN301 CN302 CN341 CN423 CN602 CN603 CNJ980 CNJ981 D103 D109 D161 D162 D370 D379 D521 D560 D561 D611 D612 D614 D702 D980 D981 D982 D983 D984 IC101 IC160 A-3 C-7 E-2 I-4 H-11 J-12 H-11 B-9 B-7 B-4 B-5 C-10 C-12 F-1 H-1 A-2 A-2 F-6 H-3 I-8 I-8 C-10 B-13 D-1 B-3 A-10 J-1 J-1 J-1 F-12 A-2 A-2 B-1 A-1 A-1 I-3 H-9 IC161 IC162 IC201 IC202 IC260 IC301 IC340 IC360 IC521 IC601 IC733 IC980 PH101 PH102 Q101 Q102 Q103 Q201 Q202 Q208 Q209 Q210 Q211 Q212 Q260 Q301 Q331 Q379 Q386 Q387 Q523 Q524 Q525 Q526 Q560 Q603 Q604 Q605 Q606 I-10 I-10 D-5 E-5 B-8 B-5 B-10 B-11 D-1 E-12 H-13 B-1 H-8 H-4 F-1 F-10 F-5 C-3 C-3 D-4 E-4 E-5 D-6 D-2 B-7 C-5 C-6 A-13 A-12 A-12 C-2 C-2 C-1 D-1 B-2 J-3 J-6 I-3 J-2
1 IC260 4 REC
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.)
· For printed wiring boards. · b : Pattern from the side which enables seeing.
1V/Div 0.1µsec/div
2 IC260 #º REC
CN261 1 REC
Caution : Pattern face side: (Conductor Side)
Parts on the pattern face side seen from the pattern face are indicated. Pattern face side: parts on the parts face side seen (Component Side) from the parts face are indicated.
0.5V/Div 0.1µsec/div
3 IC260 @· REC
20mV/Div 0.1µsec/div
4 IC260 @TM PB
200mV/Div 0.1µsec/div
5 IC260 !· REC/PB
H
2.3Vp-p
· For schematic diagrams. · Caution when replacing chip parts. New parts must be attached after removal of chip. Be careful not to heat the minus side of tantalum capacitor, because it is damaged by the heat. · All resistor are in ohms, 1/4W unless otherwise noted. Chip resistor are 1/10W unless otherwise noted. k: 1000, M, : 1000k. · All capacitors are in µF unless otherwise noted. pF : µ µF. 50V or less are not indicated except for electrolytics and tantalums. · C: panel designation. : internal component. · · A: B+ Line. * · B: B Line. * · J : IN/OUT direction of (+,) B LINE. * · Circled numbers refer to waveforms. * · Readings are taken with a color-bar signal input. · Voltage are dc between ground and measurement points.* · Readings are taken with a digital multimeter (DC10M).* · Voltage variations may be noted due to normal production tolerances.*
6 IC260 !¶ REC/PB
CN261 3 REC/PB
When indicating parts by reference number, please include the board name. · * : indicated by the color red.
5Vp-p 30Hz
MA-327 REC/PB AMP, VIDEO, AUDIO, SERVO/SYSTEM CONTROL, TUNER
JK-162 (LINE-2 IN)
FR-138 (MODE CONTROL)
POWER BLOCK DM-80 (OPERATION SWITCHES)
4-5
4-6
4-7
REC/PB AMP
MA-327 (1/8)
SLV-777HF/778HF/788HF
MA-327 (VIDEO, NORMAL AUDIO) SCHEMATIC DIAGRAM -- Ref. No.: MA-327 Board; 1,000 Series -- · See page 4-3 for MA-327 BOARD printed wiring board.
MA-327 BOARD
7 IC201 ! PB
CN261 2 PB
!£ IC201 #· REC/ PB
H 200mV/Div 0.1µsec/div
2Vp-p
8 IC201 !¶ PB
!¢ IC201 $ PB
200mV/Div 0.1µsec/div
H
500mVp-p
9 IC201 @ REC
! IC201 %§ REC
H
0.5Vp-p
3.579545MHz 550mVp-p
!º IC201 @· REC
! IC201 %§ PB
H
1Vp-p 3.579545MHz 500mVp-p
!¡ IC201 # REC
!§ IC201 $· REC
IC201 %º REC
H
1Vp-p H 340mVp-p
!TM IC201 #¶ REC/PB
!§ IC201 $· PB
IC201 %º PB
H
4Vp-p H 0.23Vp-p
VIDEO, NORMAL AUDIO
MA-327 (2/8)
4-8
4-9
4-10
SLV-777HF/778HF/788HF
MA-327 (SERVO/SYSTEM CONTROL) SCHEMATIC DIAGRAM -- Ref. No.: MA-327 Board; 1,000 Series --
· See page 4-3 for MA-327 BOARD printed wiring board.
MA-327 BOARD
@¢ IC160 * REC/ PB !¶ IC160 !· REC/PB !· IC160 !ª (HiFi STEREO MODEL)
5Vp-p 30Hz
4.4Vp-p 1.078kHz
!ª IC160 #· REC/PB
@ IC160 *§ REC/PB
2.3Vp-p 16MHz
4.5Vp-p 30Hz
@º IC160 $¡ REC/PB
@§ IC160 *¶ REC/PB
2Vp-p 32.768kHz
4Vp-p
360Hz
@¡ IC160 &¶ REC/PB
@¶ IC160 (TM REC
5Vp-p 62.5kHz
4Vp-p
30Hz
@TM IC160 &· REC/PB
@· IC160 (¡ REC
5Vp-p 62.5kHz
4Vp-p 30Hz
@£ IC160 *¢ REC/PB
H
4Vp-p
4-11
4-12
4-13
SERVO/SYSTEM CONTROL
MA-327 (3/8)
SLV-777HF/778HF/788HF
SLV-777HF/778HF/788HF
MA-327 (ON SCREEN DISPLAY) SCHEMATIC DIAGRAM -- Ref. No.: MA-327 Board; 1,000 Series --
· See page 4-3 for MA-327 BOARD printed wiring board.
MA-327 BOARD
@ª IC521 8, !º REC/PB
2Vp-p H
ON SCREEN DISPLAY
MA-327 (4/8)
4-15
4-16
SLV-777HF/778HF/788HF
MA-327 (AFM A UDIO) SCHEMATIC DIAGRAM -- Ref. No.: MA-327 Board; 1,000 Series --
· See page 4-3 for MA-327 BO ARD printed wiring boar d.
4-17
4-18
AFM AUDIO
MA-327 (5/8)
SLV-777HF/778HF/788HF
MA-327 (TUNER) SCHEMA TIC DIAGRAM -- Ref. No.: MA-327 Board; 1,000 Series --
· See page 4-3 for MA-327 BO ARD printed wiring boar d.
TUNER
MA-327 (6/8)
4-19
4-20
SLV-777HF/778HF/788HF
MA-316 (POWER SUPPLY, AV-BUS) SCHEMATIC DIAGRAM -- Ref. No.: MA-327 Board; 1,000 Series --
· See page 4-3 for MA-327 BO ARD printed wiring boar d.
4-21
4-22
POWER SUPPLY, AV-BUS
MA-327 (7/8) (8/8)
SLV-777HF/778HF/788HF
FR-138 (MODE CONTROL) SCHEMA TIC DIAGRAM -- Ref. No.: FR-138 Board; 2,000 Series --
4-25
4-26
MODE CONTROL
FR-138
SLV-777HF/778HF/788HF
DM-80 (OPERATION SWITCHES) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM -- Ref. No.: DM-80 Board; 2,000 Series -- There are few cases that the part printed on this diagram isn't mounted in this model.
JK-162 (LINE-2 IN) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM -- Ref. No.: JK-162 Board; 2,000 Series -- There are few cases that the part printed on this diagram isn't mounted in this model.
MA-327 REC/PB AMP, VIDEO, AUDIO, SERVO/SYSTEM CONTROL, TUNER
JK-162 (LINE-2 IN)
FR-138 (MODE CONTROL)
POWER BLOCK DM-80 (OPERATION SWITCHES)
OPERATION SWITCHES
DM-80
/ LINE-2 IN
JK-162
4-27
4-28
SLV-777HF/778HF/788HF
POWER BLOCK SR801 (SWITCHING REGULATOR) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM -- Ref. No.: SR801 Board; 8,000 Series --
There are few cases that the part printed on this diagram isn't mounted in this model.
1 A
2
3
4
5
6
7
T101 POWER TRANSFORMER P1 S5
8
D201 PR1003
9
R201 10 1/2 C201 47/50
10
11
12
POWER BLOCK (SR801)
(EXCEPT PX MODEL)
D106 1N4005 F101 2A 125V D107-110 1N4005 C102 0.1/250 D110 D109 + C106 120/200 D108 D107 R103 100K R102 100K C109 0.033 400 R106 33K/3
S4 D202 S3L20U +
L202 20uH +
L101
B
AC IN 120VAC
FB1 D102 EG01 Q101,102 SWITCHING P2 S3
C202 1000/16
D205 RD51F
C203 220/16
L C101 0.1/250 H CN101 R101 6.8M 1/2
L203 20uH D204 D3S4M C204 1000/10 + C205 470/10 +
CN201 11 +38 10 +13 9 +13 8 GND 7 GND 6 GND 5 +6V 4 +6V 3 -30V 2 -F(0V) 1 +F(4.5V)
C
C107 4.7/50 C103 0.1/125 R104 10K Q102 2SC4040 C112 0.0047 D103 ERA15-02 PC101 ON3131 Q101 2SC4054
IC201
SHUNT REG. S1 AN1431T *R207
C104 470P 125 C105 1500P 125
D
GND C111 0.047
*R107 D108 MA165 R108 22 R205 47 1/2 *R109 D104 RD3.0ES B2 S6 S8 D206 PR1003 VR201 500 R208 10 1/2 C209 0.01
PC101 ON3131
E
+
C110 0.047
B1
C208 1/50
C206 47/50
+
TO MA-327 BOARD CN603 (SEE PAGE 4-21)
R206 1.8K
Ref. No R107
min 100/1 560 1.2k
typ 120/1 620 1.5k
max 120/1 680 2.2k S7 R204 0.47 D207 PR1003
F
16
R109 R207
Note : The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified.
Note : Les composants identifiés par une marque ! sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
MA-327 REC/PB AMP, VIDEO, AUDIO, SERVO/SYSTEM CONTROL, TUNER
JK-162 (LINE-2 IN)
FR-138 (MODE CONTROL)
POWER BLOCK DM-80 (OPERATION SWITCHES)
4-29
+
C207 470/10
R209 2.7
4-30
SWITCHING REGULATOR
POWER BLOCK SR801
SLV-777HF/778HF/788HF
POWER BLOCK SR709 (SWITCHING REGULATOR) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM -- Ref. No.: SR709 Board; 9,000 Series --
There are few cases that the part printed on this diagram isn't mounted in this model.
1 A
2
3
(PX MODEL)
4
5
6
7
8
T101 POWER TRANSFORMER P1
9
D201 EG01C
10
R201 4.7 1/2 C201 47/63
11
12
13
POWER BLOCK (SR709)
R102 47k 3
IC101
F101 T2AL 250V L101
C110 0.01 400 D202 S3L20U +
L202 10uH +
B
AC IN 110-240VAC
C102 0.1/250
L102
D101 - 104 1N4005 D102 D101
1
MIP184 2 3 4
5 D105 EG01C P2
C202 1000/16
D204 RD56FB
C203 220/16
L C101 0.1/250 H CN101 R101 1M 1/2W
L203 10uH D203 D3S6M R209 10 C210 1000p 1k + C204 1000/16 C205 470/10 + 1 2 3 4 5 6 7 8
D103
D104 C109 180 400
+
C116 47p 1k R108 47 1 +
CN201 +38 +13 +13 GND GND GND +6V +6V
C
C103 1000p 250 C104 1000p 250
V1
IC201
C112 0.1 *R103 C107 1000p 250
C111 47 35 D108 D107 V2 PR1003 PR1003 PC101 PC123
SHUNT REG. AN1431T
*R204 C208 0.1 *R205 VR201 5k R203 18k *R202 D205 PR1003
C206 47/50
+
TO MA-327 BOARD CN602 (SEE PAGE 4-21)
D
C108 1000p 250 GND *R104
PC101 PC123
9 -27V 10 -F(0V) 11 +F(4.6V)
R107 6.8
C209 0.047
E
Ref. No R103 R104 R106 R202 R205 R207 R208
min 0 10k 100k 47 1k 0 10
typ 6.8 10k 120k 470 10k 2.7 47
max 100 15k 220k 470 47k 4.7 C115 0.1 R105 3.3k *R106
*R208
C113 0.01
C114 0.1 + D206 PR1003 R206 0.47 R207 2.7 C207 470/10
F
16
Note : The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. Note : Les composants identifiés par une marque ! sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
MA-327 REC/PB AMP, VIDEO, AUDIO, SERVO/SYSTEM CONTROL, TUNER
JK-162 (LINE-2 IN)
FR-138 (MODE CONTROL)
POWER BLOCK DM-80 (OPERATION SWITCHES)
SWITCHING REGULATOR
POWER BLOCK SR709
4-31
4-32E