Schematic Diagram - Kenwood DVR-8100 Service Manual

AE AF
Q Q
3 7 6 3 1 5 1 5 0
(X09-6650-10)
+5V HPR
+3.3V HPL
+2.5V
12V
R701
IC13 (2/2)
R118 7.5K
R278 C84 RSch 57
910 5 8
120 10u50
7
6 13
Lch
+
4
Rch
R702
+12V 58kHz 55
LPF9dB 7.5K
IC13 (1/2)
R119
LSch
R279 C85
910 3
1 120 10u50
2 14
+
12V
R705
7.5K
37
IC14 (2/2)
R120
SWch
R258 C83
10K 5 8
LSch
7 120 10u50
6 16
+
4
1kHz RSch
LPF6dB
R706
38
+12V
7.5K
IC14 (1/2)
R121
R142 C86 Cch
910 3
120 10u50
1
2 15
+
58kHz
LPF9dB
CENTERch
R709
12V
7.5K
36
IC15 (2/2)
R122
R143 C87 Rch
910 8 Cch
5
7 120 10u50
6 22
+
4
SWch
+12V 58kHz
LPF9dB
IC15 (1/2)
R123
Lch
R144 C88
910 3
1 120 10u50
2 24
+
12.0V
+12V
12V
-12.0V
+2.5V
+3.3V
+5V
T E
L 1 3 9 4 2 2 9 6 5 1 3
+12V
12V
CP14
HPR 1 HP R
2 GND
HPL 3 HP L
+3.3V AVR +5.0V AVR
4 uCOMG
IC10 IC12
6 5 HPDET
OUT IN +5V OUT IN R233
3.4V 5.0V
CP13
GND GND 4.7K Q8
C58 1 1 AC1
100u10
+
C46 R45
IC11
47u25 1
5.7V
OUT IN
+ 2 2 AC2
2.5V
GND
30V 3 -30V
+2.5V
AVR
72 4 SUB RST
6.0V
5 u-COM GND
5.0V
+5V +5V 6 +5V
R213 10 C120 100P
8 7 REM
8 STBY LED RTN
STBY
SWch FRONT
LED CONT. CN51
IC19 (1/2)
4
2
1 R212
3 68 3/3
C119
47
Q2
8
22u50 C123 39P
+
AO-5
R210 13K
R282 1
29 9 KEY IN1
R281 1
30 10 KEY IN2
R169
C121
BUFFER
R280 47
39K (SW)
100P 22 11 SUB CLK
R285 47
23 12 SUB DATA IN
R286 47
24 13 SUB DATA OUT
R197 47
12 14 ENCODE 1
R196 47
IC24
13 15 ENCODE 2
14.7V
CN15
R248
1 1 FL FILDC
1
2 2 FL FILDC
+5V 3 u-COM+5V
4 12V REF GND
5 12V GND
14.8V
+14.5V 6 +14.5V
GND
R249
-15.0V
OUT IN 14.5V 7 -14.5V
6.0V
-14.9V 1
+6V 8 DSP 6V
IC25
9 DSP GND
w w w
71 10 RELAY POWER
4 11 PD
5.0V
+5V 12 u-COM+5V
13 GND
-30.3V
30V 14 -30VFL
.
AG AH
C707 47P
IC501
R703 20K
IC701 (1/2)
C715 R508 C500 R536
2 8
1 2.2u50 2.2K 2.2u50 20K
3
+ +
Q501
4
R502
2.2K
IC701 (2/2)
R549
C716 R509 C501 R537
5
240
2.2u50 2.2K 2.2u50 20K 9.5V
7
6
+ +
Q502 C515
R503
R704 20K 0.01
2.2K
C708 47P
R533
Q501-506
C709 47P
MUTE 10
R707 20K
IC702 (1/2)
+B
8 C717 R510 C502 R538
2
1 2.2u50 2.2K 2.2u50 20K
3
+ +
Q503
4
R504
2.2K
IC702 (2/2)
B
C718 R511 C503 R539 +B
5
2.2u50 2.2K 2.2u50 20K
7
6
+ +
Q504
R505
R708 20K
2.2K
C710 47P
IC502
C711 47P
MUTE ON : 2.2V
R711 20K
OFF : -3.7V
IC703 (1/2)
8 C719 R512 C504 R540
2
1 2.2u50 2.2K 2.2u50 20K
3
+ +
Q505
4
R506
2.2K R550
9.8V 240
IC703 (2/2) C518
C720 R513 C505 R541
5
0.01
7 2.2u50 2.2K 2.2u50 20K
6
+ +
Q506
R507
R712 20K R534
2.2K
10
C712 47P
+B
4.0V
MUTE CONT.
R501
Q507
820 R521
360
4.8V
B
+B
Q500
0V
70
-11.4V
0V
R666 IC503
Q522
2.2K
PACK MUTE
ON : 2.2V
CONT.
-12.0V
OFF : 4.9V
-12.0V
R665
62
15K
12V
69
47
5.0V
R551
+B
240
0V 10.0V
D518 C519
14
Q513
0.01
1
PROTECTION
2.8V
R535
10
D517
30.2V
30.2V
Q516
+B
30.1V
0V
30.0V
R648
680
2
Q515 B
+B
0V
Q514
+B
VOLTAGE PROTECTION
-30.3V
B
R630 470 2W
+B +B
30.2V
R631 470 2W
C713
R632 470 2W
0.022
1
R633 470 2W
C714
0.022
2
3 2 1
CN50
W505
x a o
y
3
i
AI AJ
8
FRONTch. DIGITAL AMP
-20.0V 30.2V 30.2V
0V 4.8V 4.8V
C521 C529 R552
R543
47u50 D508 D511 47u50 240 R555 C556
20K
8.2K 0.01
+ +
C526
-30.3V 0V C550 C557
D502 D505 0.01
100P 0.01
C563
L500 R542
100P
100uH
1K -19.3V
VR2
OFF
SET
(Rch)
4.8V
+B +B +B
+B
SURROUNDch. DIGITAL AMP
-20.0V 30.2V 30.2V
0V 4.8V 4.8V
C524 C531 R553 R545
D509 D512 R556 C558
47u50 47u50 240
20K
8.2K 0.01
+ +
C527
-30.3V 0V
C552 C559
D503 D506 0.01
100P 0.01 C565
100P
4.8V
+B +B +B
Q Q
3 7 6 3
+B
CENTER/SW DIGITAL AMP
-20.0V 30.2V 30.2V
0V 4.8V 4.8V
C525 C533 R554
R547
47u50 D510 D513 47u50 240 R557 C560
20K
8.2K 0.01
+ +
C528
-30.3V 0V C554 C561
D504 D507 0.01
100P 0.01
C567
100P
4.8V
+B +B +B
+B
+B
5.0V
14.3V
IC505
R663 4.9V 0.1V
5.0V 4.9V
Q520
4.7K R661
4.9V 0.4V
IN OUT 33K
R664
GND
Q521 Q511 Q512
2.2K 0V
REAR FRONT/
+5.0V 5.0V
RLY CENTER/SW
AVR
CONT. RLY CONT.
-12.0V
LIMITER
u 1 6 3
.
AK AL
2 4
9 9 8
Q508
FRONT
2.6V
2.4V
SP. RLY
R544
20K
27.0V
VR1
K500
OFF SET
C562
(Lch)
100P
L501
10uH
L502
10uH
SURROUND 2.8V
SP. RLY
Q509
2.6V
2.5V
R546
24.2V
20K
K501
VR3
OFF SET
C564
(LSch)
100P
VR4
OFF
1 5 1 5 0 8 9 2 4
SET
(RSch)
L503
10uH
L504
10uH
+B
27.0V
CENTER
Q510 /SW
SP. RLY
2.6V
0V
2.5V
R548
20K
K502
VR5
OFF SET
C566
(CENTERch)
100P
VR6
OFF
SET
(SWch)
L505
10uH
L506
10uH
+B
m
c o
Y39-4512-70
AM AN
2
9 9
IC1,2 : 74VHC574MX
IC3 : 74VHC157MX
IC5 : AT27LV020A-90JC
IC7 : AK4586
IC8 : 74VHCT244AMX
IC9 : CS493263-CL
IC10 : BA033FP
IC11 : BA25BC0FP
IC12 : BA05FP
IC13-15,19,701-703
: BA4558F or
KIA4558F
IC21 : M24C02WMN6
IC22 : CXP82860-367Q
IC23 : BD3811
IC24 : KIA7812API
IC25 : KIA7912PI
IC26 : KIA7045P
IC501-503 : TA2022
IC505 : KIA7805API
Q1,507,516,521,522
: KTA1504Y
Q2 : DTC113ZK
Q3,4,501-506
: KTD1304
Q5 : DTA114YKA
Q7,514,515,520
: KTC3875Y
Q8 : BC817
Q500,508-513
: DTC114YKA
D1,2 : UDZ6.8B
D3,7-10,514-518,530-535
: 1SS355
D500 : UDZ3.9B
D501-513 : SFPX-62
D519 : ZNR5V1B0.2W
J500
LS
1 3
L
LS
2 4
L
SW
5 7
C
9 8 2 9 9
SW
6 8
C
RS
9 11
C619
4700P
R
HP BOARD
HP51
CN13
RS H/P CHK 5
10 12
R UGND 4
Lch 3
GND 2
Rch 1
W501
PHONES
SMPS
BOARD
CN5
DVD-
1
CN64
2
3
1/3
4
5
P-3
1
CN3 CN2
1 1
to
3
2 2
MECHA
3 3
CN4
POWER
SUPPLY
1
2
3
4
5
6
7
CN1
2 8
1
9
2
10
DVR-8100 (2/3)
3
11
(X) : AC240V~ 50Hz
12
(T,E) : AC230V~ 50Hz
13
14
DVR-8100