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Kenwood KRF-V5050D Service Manual

Kenwood KRF-V5050D
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A BDFHJCEG I
2
1
3
5
7
4
6
220K
220P
R20
C20 C19
220P
220K
R19
1K
R17
R18
1K
220K220K220K 220K
1K
1K
C23C24
R27
220P
R26
220P
R28
R25
C22 C21
220P
R22
220P
R24
R21
1K
R23
C1C2
R1
1K 10u50
+
C3
R2
1K 10u50
+
C4
W201
1K
C30 C29
R39
220K
220P
R38
220P
1K
R40
220K
R37
1K
C25C26
R30
220P
R32
220K
R29
220P
1K
R31
220K
C27R28
R34
1K
220P
R36
220K
R33
220P
1K
R35
220K
C31C32
R42
1K
220P
R44
220K
220P
1K
R43
220K
1K
R41
28
27
26
25
24
23
22
21
20
19
18
17
16
15
+VCC
DATA
CLK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
-VCC
ST
GND
TUNER
PHONO
CD
MD/TAPE
COM
REC OUT
MD/TAPE
VIDEO1
ANALOG
DIGITAL
REC OUT
REC
REC
R
L
2
1
3
4
5
6
11
7
8
9
10
12
14
+VH
-VH
-VL
-REF
+RE/CH1
-VH
-RE/CH1
-RE/CH2
+RE/CH2
-PRE
IN/CH1
+PRE
NF/CH1
13
+REF
-VL
+VL
+VH
1
2
+REF
-REF
4
3
5
+RE/CH2
-VH
+RE/CH1
SUB
7
6
8
-RE/CH2
-RE/CH1
10
9
11
IN/CH1
+PRE
-PRE
13
12
14
17
BIAS
NF/CH1
16
NF/CH2
IN/CH2
18
15
6
5
4
7
4.7u50
+
C18
3
2
8
1
C5 220P
R3 30K
270K
R9
360
R7
100u10
C7
+
0.012
C11
270P
C9
22K
R11
C15 100P
3300P
C13
R13 47K
100P
C211
1K
4.7u50
+
C17
R5
100
R10
270K
R12
22K
0.012
C12 C14
C8
100u10
+
R8
360
C10
270P
100
R6
220P
30K
R14 47K
C16 100P
3300P
1K
4
5
6
7
2
3
1
8
6
5
4
7
3
2
8
1
220K
R55
C43 100P
C39
220K
R53
C40 100P
220K
R54
2.2u50
+
C38
220K
R56
C44 100P
2.2u50
+
C42
22u16
+
C46
2.2u50
+
C37
2.2u50
C41
22u16
+
C45
+
W198
C6
R4
0.01
C215
R64
100
R58
R62 6.8K
R60 3KR59 3K
R61 6.8K
R306 1K
R305 1K
9
23
100P
17
4
5
R303 1K
R304 1K
R57 100
5.6K
220P220P
C36 C35
1K
R51R52
R50
220P 220P
1K
220K 220K
C34 C33
R49
R48
R46
1K
220P
220K
R47
R45
220P
1K
220K
GND CLK
ATT OFF
ATT 2
ATT 1
MONITOR
COM
LINE BUF
COM
FRONT
VIDEO3
VIDEO2
VIDEO1
-VCC
1
L
4
3
2
7
6
5
11
10
9
8
14
13
12
ST
+VCC
R
28
25
26
27
22
23
24
DATA
18
19
20
21
15
16
17
R15
R16
C212
0.01
R308 1K
C213
220P
C214
1000P
100P
C404
100P
C403
1000P
C405
5.6K
R63
C216
220P
R307 1K
16
BIAS
17
18
IN/CH2
NF/CH2
15
BUS
20
19
21
22
+RE/CH3
NF/CH3
IN/CH3
-RE/CH3
4.7K 1W
R223
R224
4.7K 1W
R109 0.22 2W
R111 0.22 2W
R211
R112 0.22 2W
R110 0.22 2W
33K
0.22 2W
R140
R216
33K
33K
1/4W
C111 18P
R115 33KR113 1K
C109 470P
R117 C107 100u10
+
100P
C153
C112 18P
C110 470P
R116 33K
C108 100u10
R114 1K
R118
+
C140 18P
C136 100u10
R146 33K
R144
1K
R148
+
R138
+
2.2u50
C132
1K
R134
100K
470P
33K
R136
C134
100P
C154
R351 470
30K
R309
R311 10K
4700P
C303
R310
30K
R312 10K
C304
R352 470
4700P
C308
10K
R318
4700P
30K
R356
470
R320
47K
R339
23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
RDVD
G.GND
LDVD
G.GND
LT
G.GND
RT
LREC
G.GND
RREC
+7.8V
M.GND
A.D.MUTE
-12V
GND
+12V
GND
SL
SW
SR
R
C
L
17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
R.TUNER
G.GND
L.TUNER
+12V
G.GND
-12V
LAUX
G.GND
PAUX
S.GND
ST1
ST2
CLK
DIN
A.MUTE
HP.R
HP.L
19
LIMITER
R325 1K
R330 1K
R326 1K
R328 1K
R329 1K
R327 1K
R334 10K
R101 2.2K
R132
R102 2.2K
R66 2.2K
R131 2.2K
R65 2.2K
10u50
+
10u50
+
R333 360
23
21
17
C101
C102
360
C309 10u25
47u25
C310
+
100K
R332
1K
R336
R123 100
R124 100
7
620 1/4W
R335
10K
R331
R88 390 2W
R87 390 2W
R324
6
4
27
9
5
6
7
R212
33K
R227
C105
R107
1K
100K
R103
33K
R105
+
2.2u50
C103
470P
C106
1K
R108
R106
100K
R104
2.2u50
+
470P
33K
C104
0.22 2W
R142
R249 3.3K
220u10
C227
+
R252 1K
10K
R251
1K
R253
+
C288
2.2u50
10K
R250
3.3K
R248
1u50
+
C226
R246
15K
R245
1.5K
C225 4.7u50
R247 15K
+
1.5K
R244
+B
+B
+B
+B +B
+B
+B
+B
+B+B
+B
+B +B
+B +B
+B+B+B
+B
+B+B
+B
+B
+B +B
+B
+B
+B+B
+B
BB
BB
B
B
B
BB
BB
B B
BB
B
B
BB
B
B
BB
B
B
B
B
B
+B
+B
2.2K
+B+B
21
W88
R222 51K
R217 51K
R218 51K
27
AUX
BB
1.2K
CD
PHONO
J1
MD/TAPE
REC
MD/TAPE
PLAY
J2
REC
MONITOR
MONITOR
PLAY
IN
VIDEO1
OUT
VIDEO1
INPUT/REC
SELECTOR
OUT
INPUT/
SELECTOR
ATT
IC7(2/2)
IC7(1/2)
PHONO
EQ AMP
IC10(2/2)
IC10(1/2)
IC9(2/2)
IC9(1/2)
LINE BUFFER
REC OUT BUFFER
A
VIDEO3
IN
DVD
IN
J3
J10
VIDEO2
IN
Q301 Q302
Q306
CN5 CN6 CN7
Q3 Q6 Q4 Q2 Q5 Q1
D31
Q311
Q213
Q210
Q214
Q211
D24
Q212
D21
Q209
B
DC
D6
D7
D22D23
D15
D12
D13
SURR.CH
FRONT/CENTER CH
A B
IC8
IC11
IC1 IC3
(X07-3XXX-XX) (A/4)
12.0V
-12.0V
12.0V
-12.1V
-12.0V
12.0V
-12.1V
-12.1V
-12.1V
12.0V
8.8V
65.3V
-65.2V
-39.8V
-25.3V
25.3V
39.8V
-39.8V
-25.3V
25.3V
39.8V
65.3V
11.7V
0V
11.7V
11.7V 11.7V
0V
0V
11.4V
12.0V
11.7V
11.7V
12.0V
OFF:-12.0V
ON:3.8V
-12.1V
OFF:4.2V
ON:3.9V
MUTE
ON:3.2V
OFF:4.5V
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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
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3
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299

Table of Contents

Other manuals for Kenwood KRF-V5050D

Preview: Instruction Manual
Instruction Manual49 pages
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Do you have a question about the Kenwood KRF-V5050D and is the answer not in the manual?

Kenwood KRF-V5050D Specifications

KRF-V6050D

Audio Performance IconAudio Performance
rated power output during stereo operation110 W + 110 W
effective power output during surround operation - front100 W + 100 W
effective power output during surround operation - center100 W
effective power output during surround operation - surround100 W + 100 W
total harmonic distortion0.050% (1 kHz, 50W, 6 Ω)
frequency response10 Hz ~ 60 kHz, +0 dB, –3.0 dB
signal to noise ratio - phono74 dB
signal to noise ratio - cd90 dB
Input/Output Sensitivity and Impedance IconInput/Output Sensitivity and Impedance
input sensitivity / impedance - phono2.5 mV / 27 kΩ
input sensitivity / impedance - cd200 mV / 47 kΩ
input sensitivity / impedance - video2/monitor200 mV / 47 kΩ
input sensitivity / impedance - dvd/6ch input200 mV / 10 kΩ
output level / impedance - tape rec200 mV / 1 kΩ
output level / impedance - video2/monitor200 mV / 1 kΩ
output level / impedance - pre out (subwoofer)1.5 V / 2.2 kΩ
Tone Control IconTone Control
bass±10 dB (at 70 Hz)
treble±10 dB (at 10 kHz)
Dimensions and Weight IconDimensions and Weight
dimensions - width440 mm
dimensions - height143 mm
dimensions - depth400 mm
weight8.6 kg

KRF-V5050D

Audio Performance IconAudio Performance
rated power output during stereo operation110 W + 110 W
effective power output during surround operation - front100 W + 100 W
effective power output during surround operation - center100 W
effective power output during surround operation - surround100 W + 100 W
total harmonic distortion0.050% (1 kHz, 50W, 6 Ω)
frequency response40 Hz ~ 60 kHz, +0 dB, –3.0 dB
signal to noise ratio - phono74 dB
signal to noise ratio - cd90 dB
Input/Output Sensitivity and Impedance IconInput/Output Sensitivity and Impedance
input sensitivity / impedance - phono2.5 mV / 27 kΩ
input sensitivity / impedance - cd200 mV / 47 kΩ
input sensitivity / impedance - monitor in (video2/monitor)200 mV / 47 kΩ
input sensitivity / impedance - dvd/6ch input200 mV / 47 kΩ
output level / impedance - tape rec200 mV / 1 kΩ
output level / impedance - monitor out (video2/monitor)200 mV / 1 kΩ
output level / impedance - pre out (subwoofer)1.5 V / 2.2 kΩ
Tone Control IconTone Control
bass±10 dB (at 70 Hz)
treble±10 dB (at 10 kHz)
Dimensions and Weight IconDimensions and Weight
dimensions - width440 mm
dimensions - height143 mm
dimensions - depth400 mm
weight8.5 kg

General

Power and Consumption IconPower and Consumption
power consumption250 W
ac outlet switchedtotal 90 W max.

Summary

Cautions

Resetting the Microcomputer

Procedure to reset the microcomputer if it malfunctions, restoring normal operation.

Wiring Diagram

Circuit Description: Initial and Backup Functions

Initial State

Details the default settings for various functions upon microcomputer initialization.

Backup Function

Explains how the receiver retains its last state when power is cycled.

Circuit Description: Tuner Destination List

Circuit Description: Microprocessor Periphery Diagram

Microprocessor Periphery Block Diagram

Illustrates the block diagram of the microprocessor and its connected peripheral components.

Circuit Description: Microprocessor Pin Details

Pin Description of Microprocessor

Provides a detailed list of microprocessor pins, their I/O, and functions.

Circuit Description: Interface Ports and Test Mode

AK4112AVF u-com Interface Port

Details the interface between the AK4112AVF and the micro-computer.

AK4527B u-com Interface Port

Details the interface between the AK4527B and the micro-computer.

Test Mode Operation

Explains how to enter, cancel, and the contents of the test mode.

PC Board Component View

Exploded View (Unit) - Partial

Parts List - KRF-V5050D/V5050DE/V5050D-S

Exploded View (Unit) - Main

Specifications - Europe Audio Section

Audio Section (KRF-V6050D)

Technical specifications for the audio section of the KRF-V6050D model.

Digital Audio Section

Specifications for digital audio inputs and sampling frequency.

Video Section

Specifications for video inputs, outputs, and S-Video signals.

FM Tuner Section

Technical specifications for the FM tuner, including frequency range and sensitivity.

Specifications - Other Countries Audio Sections

Audio Section (KRF-V6050D) - Other Countries

Technical specifications for the audio section of the KRF-V6050D model for other countries.

Audio Section (KRF-V5050D)

Technical specifications for the audio section of the KRF-V5050D model.

Audio Section (KRF-V5550D)

Technical specifications for the audio section of the KRF-V5550D model.

Audio Section (KRF-V7050D)

Technical specifications for the audio section of the KRF-V7050D model.

Specifications - Tuner Sections

FM Tuner Section (Europe)

Technical specifications for the FM tuner in Europe.

MW Tuner Section (Europe)

Technical specifications for the MW tuner in Europe.

FM Tuner Section (Other Countries)

Technical specifications for the FM tuner for other countries.

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