Kenwood NV-301, Service Manual

Page: 20 / 41

U V X Z AB AD W Y AA AC
2
1
3
5
7
4
6
44 43 42
41
40 39 38 37 36 35 34
33
32
31
30
29
28
27
26
25
24
23
12 13 14 15 16 17 18 19 20 21 22
1
2
3
4
5
6
7
8
9
10
11
DGND1 DGND2
AGND1
AGND2
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
1 2
3 4 5 6 7 8 9
10
11
12 13 14 15 16 17 18 19 20
21
22 23 24 25 26 27 28 29 30
VSS
VDD
VSS
VDD
VSS
PVDD
TEST
IC
VSS
VDD
PVDD
DEN MUTE
SURR MUTE
C/SW RLY
SURR RLY
SW MUTE
SUB ON/OFF
VSS
VDD
VSS
PVDD VSS AV
D
D
TEST TEST A
VSS
VDD VSS
SERIAL AUDIO DATA INTERFASE
DIGITAL FILTRS
ANALOG LOW PASS
AND OUTPUT STAGE
CONTROL
POR
T
S/P
DIF
DIVIDER.
CLOCK OSC/
INPUT
MUX
DIGITAL
FILTERS
RX/AUXILIAR
Y
INPUT
#1
DAC
#2
DAC DAC
#4 #3
DAC
#6
DAC DAC
#5
PLL
DEM
MUX
INPUT
GAIN
MONO
Lch
RIGHT
ADC ADC ADC
VOLUME
CONTROL
REFARENCE
VOLTAGE
SDIASEL
SDIA
INTERF
ACE
PLL
COEFFICIENT/
PROGRAM RAM
MICROPROCESSEOR
INTERFACE
24 16
SUB DSP
SDOB INTERF
ACE
SDIB INTERF
ACE
SDIB SEL
INPUT
BUFFER
SDOBCK SEL
SDOA
INTERF
ACE
MAIN DSP
24 24
AC-3/PRO LOGIC/DTS
DECODER
SDIBCK SEL SDOACK SEL
CONTROL REGISTERS
CONTROL SIGNALS CONTROL SIGNALS
CRC
INTERF
ACE
EXTERNAL
RAM
DA
T
A
DELAY RAM
ERAMUSE
RAM
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
PDN
ADO/CS
CSB
CS
ADI/SI
SDA/SO
SCL/SCK
CD IN
SURR RLY
C/SW RLY
SURR MUTE
SW MUTE
CEN MUTE
GND
+5V
R IN
AGND
L IN
14
13
12
11
10
9
8
7
6
5
4
3
2
1
+12V
-12V
GND
SR OUT
GND
SL OUT
GND
SUB OUT
GND
C OUT
GND
FR OUT
GND
FL OUT
83 82 85 84
47
45
46
C623 220u10
+
2.2
R622
C622 1000P
220P C625
22P
C624
2
3
4
1
7
5
6
8
8
4
100K
R660SR
22P
C639SR
C641SR
1500P
R663SR
3.3K
C638SR
10u35
+
R662SR R661SR
100 3.3K
C642SR
10u35
2
R664SR
1K
3
+
1
C640SR
1000P
1800P
C643SR
R666SR
2.2K
R667SR
3.3K
R663SL
100K
R660SL C639SL
22P
C641SL
1500P
C638SL
10u35
+
R662SL R661SL
100 3.3K
C642SL
10u35
R664SL
1K
+
8
C640SL
1000P
C643SL
1800P
R666SL
2.2K
10K
R667SL
R634 10
R635 10
4.7
R686
10u35
+
C656
+
+12V
R678 10K
C654 100P
C653 100P
R674 10K
R684 1M
R677 10K
10K
R673
1M
R683
10u35
+
C651
10u35
+
C650
10K
R675
R676
10K
10K
R671
10K
R672
4.7
R685
1K
1u50
C652
+
47K
R681
R682
3.3M
R680
3.3M
R679
67 68 69
R646
10K 10K
R645 0.047 C657
R636 10K R637 10K R638 10K
470
R639
12M288
XT
AL601
1M
R640
27P
C627
27P
C628
10K
R641
470P
C629
R652 10K
R653 10K
R654 10K
R655 10K
R656 10K
R657 10K
R658 10K
R651 10K
2
3
1
6
5
7
8
470
R630L
3.3u50
+
C632L
470P
C633L
47K
R631L
4
470P
C633R R631R
47K
470
R630R
3.3u50
+
C632R
2.2K
R632L
2.2K
R632R
68P
C634L
68P
C634R
10K
R633L
10K
R633R
100u16
C637
+
100u16
C636
+
R669
100
67
68
69
66
65
62
8
6
93
94
220u10
C621 +
1000P
C620
C619 1500P
43K
R619
0.015
C618
C617
+ 1u50 47K
R618
6
5
4
3
R615 10K
R616 10K
R617
10K
92
8
66 65 62
1
2 3
CONT GND -P
ASS
6 5 4
VIN
GND
VOUT
GND
VCC
VOUT
+5V
35
33
34
32
VCC
GND
VIN
+5V
+5V
L603
10K
R620
R621 2.2
+5V
+5V
+5V +5V
L602
C615 1000P
C612 470u10
+
C610
0.1
47K
R610
R647 33
R648 33
33
33
VDD
VDD
+5V
+5V
+5V
+5V
NOISE
C614 10u35
+
R611 3.3 1W
+5V
10u35
C655
7
5
6
10u35 100 15K 1800P
+
R663SW
15K
C638SW R661SW R662SW C640SW
100K
R660SW
22P
C639SW
C641SW
8200P
R664SW
2.2K
10K
R667SW
C642SW
47u16
+
3
2
1
+
C638C
10u35
R661C
100
R663C
3.3K
R662C
3.3K
C640C
1000P
100K
R660C C639C
22P
C641C
1500P
R664C
1K
7
5
6
2.2K 10u35
+
R667C C643C
1800P
10K
C642C R666C
100K
R660R C639R
22P
+
C638R
10u35
R661R
100
1
R664R
C641R 1500P
1K
2
4
R663R
3.3K
R662R
3.3K
C640R
1000P
3
2.2K 10u35
+
R667R
C643R 1800P
10K
C642R R666R
R660L
100K
C638L
10u35
+
R663L
3.3K
1500P C641L
22P
C639L
1K
R664L
8
5
6
R662L R661L
100 3.3K
C640L
1000P
+
7
C642L
10u35
C643L 1800P R667L
R666L
2.2K
10K
VDD
VDD
VDD
VDD
94 92 93
7 6 5 4 3 2 1
GND
8 9
10
11
12 13 14
VCC
220
R624 R623
220
L604
+5V
+5V
+5V
+5V
+5V
10K
R643
VDD
VDD
VDD
VDD
VDD
VDD
VDD VDD
+5V VDD VDD
+5V +5V +5V
+5V
+5V
1000P
C630
+5V
+5V
+5V
+5V
+5V +5V
+5V
+5V
+5V
+5V +5V
+5V
+5V +5V
+5V
R642
4.7K
R629 10K
C631 0.01
100K R670
31
33
34
35
31
32
1.5K
R665R
1.5K
R665L
1.5K
R665C
12K
R665SW
R665SL
1.5K
R665SR
1.5K
4
12V
12V
+12V
+12V
12V
12V
+12V
12V
+12V
+12V
12V
12V
+12V
+12V
+12V
+12V
+12V
+12V
12V
+9.6V
9.5V
+9.6V
9.5V
10u35
+
C635L
10u35 C635R
+
+5V
R608 100K
C606 0.1
0.1
100K
L605
L601
1000P
C608
10u35
C609
+
1M
R602
470
R601
0.01
C602
C601
22P
C603
0.1
R603
1K
R604 C604
82
22P
0.1
C605
R609 C607
4.7K
R607
18K
R606
100K R605
1K
R625
+B
R650
R649
84
85
83
82
46
47
45
B
+B
OPERATING CLOCK
(30MHz)
STREAM0-7
L,R
LS,RS
C.LFE
CONTROL
VOLUME
CONTROL
VOLUME
CONTROL
VOLUME
CONTROL
VOLUME
CONTROL
VOLUME
+12V
12V
3 4 5
R644
10K
9.5V
+9.6V
9.5V
+9.6V
+9.6V
9.5V
+9.6V
9.5V
+5V
+5V
+5V
IC602
IC603
IC604
SURROUND BOARD
IC601
RXD-NV701 (E,T,M,X,K,E2,Y) (3/6)
E
F
CNT601
CNT602
(1/2)
(2/2)
Q608
Q609
Q606
Q607
D605
Q605
Q604
IC609
IC609
(1/2)
(2/2)
IC605
IC605
(BOTTOM VIEW)
OPT1
COAXIAL IN
RCA1
OPT2
IC606
(2/2)
IC606
(1/2)
IC607
(2/2)
(1/2)
IC607
IC608
(1/2)
IC608(2/2)
Q601 Q602
SURROUND
CODEC
SOUND
Lch
Rch
/DTS DECODER &
/PROLOGIC
DOLBY DIGITAL
R
CENTER
L
SW
SL
SR
D601
D602
OPT JACK R
OPT LACK T
D604
D603
PROGRAMMABLE
DSP
IC601 : MC74HCU04AD
IC602 : CS4226-KQ
IC603 : YSS912
IC604 : TK11233AM
IC605-609
: NJM4565MD
Q601 : DTC114YS
Q602,604,605
: DTA114YS
Q608,609
: 2SK117(Y)
D601-604
: KDS193ST1
D605 : MTZJ8.2B
DTC114TS
Q606,607
:
B LINE
B LINE
GND LINE
SIGNAL LINE
DIGITAL LINE
5/6
MAIN
-CP314
5/6
-CP312
MAIN
-9.5V
5.0V
5.0V
4.6V
3.3V
5.0V
2.3V
2.0V
4.8V
1.8V 1.5V 0V 2.4V
0.9V
0V
2.4V
4.7V
2.4V
2.4V
2.4V
2.4V
2.4V 2.4V
4.7V
0V
2.4V 1.3V
2.4V 2.4V
0V
3.3V
2.4V
2.4V
0V
1.5V
3.3V
0V
0V
0V
0.8V
0.8V
0V
0.9V
0.9V
4.9V
4.9V 4.9V 4.9V 2.4V
2.3V
1.7V
3.3V
-8.2V
4.9V
4.9V
0V
4.7V
0V
4.8V
4.7V
0.9V
1.8V
0V
4.9V
4.9V
5.1V 5.0V 2.6V 0.1V 4.3V
4.9V
3.3V
-11.7V
11.9V
-11.7V
11.9V
-11.7V
11.9V
4.7V
-11.7V
4.6V
0V
-8.8V
0V
11.9V
-11.7V
11.9V
-11.8V
9.6V
5.0V
4.8V
3.3V
RXD-NV701/NV701E
Y39-3640-10
CAUTION: For continued safety, replace safety critical components only with manufacturer's
recommended parts (refer to parts list). indicates safety critical components. For continued
protection against risk of fire, replace only with same type and rating fuse(s). To reduce the
risk of electric shock, leakage-current or resistance measurements shall be carried out
(exposed parts are acceptably insulated from the supply circuit) before the appliance is
returned to the customer.
The DC voltage is an actual reading measured with a
high impedance type voltmeter with a cassette loaded
at playback mode. The measurement value may vary
depending on the measuring instruments used or on
the product. Bias circuit DC voltage is measured while
in the record mode. DOLBY and the double-D symbol are trade-
marks of Dolby Laboratories Licensing Cor-
poration. Noise reduction circuit made under
license from Dolby Laboratories Licensing
Corporation.
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299