Kenwood KRF-V5050D Service Manual page 19

BS BT
(X14-7XXX-XX) (H/8)
I
J401
H
R401 100K
C401 47P
MONITOR
C402 47P
OUT
R402 100K
R403 82
C403 47P
DVD
C404 47P
PLAY IN
R404 82
R405 100K
C405 47P
REC
C406 47P
OUT
R406 100K
VIDEO1
J402
R407 82
C407 47P
PLAY
C408 47P
IN
R408 82
R409 82
C409 47P
VIDEO2
C410 47P
PLAY IN
R410 82
R411 82
C411 47P
VIDEO3
C412 47P
PLAY IN
R412 82
5
J403
MONITOR
R416 68
OUT
10
DVD
PLAY IN C418 47u25
+
J404
REC
R414 68
OUT
VIDEO1
PLAY
C419 47u25
IN
+
BU BV
(X14-7XXX-XX) (H/8)
IC401,402 : NJM2279M
IC403 : TC74HC4052AF
Q401 : UN4212 or
DTC124ESA
D401 : 1SS133 or
HSS104A
2 4 6 8
CN401
1 3 5 7
4.7V
3.7V
-4.9V
IC401
S VIDEO (C)
R424
SELECTOR
1
4.9V
+4.9V
12 4.9V
R422
1
IC403
VIDEO
SELECTOR
-4.9V
R425
4.9V
1
5
I
4.9V +4.9V
-4.9V 4.9V
IC402
S VIDEO (Y)
SELECTOR
-4.9V
4.9V 4.9V
R421
1
(X14- ) (F/8)
F
R112 220
R118 1K
R119 1K
CN100 R113 220
CENTER 1
SUBWOOFER 2
R114 220
SURR.L 3
R120 1K
SURR.R 4
FRONT.L 5
R121 1K
FRONT.R 6
E
R115 220
W176
PRE. GND 7
R117 220
W173 W171 R123 1K
A MUTE 8
W185
SURR MUTE 9
R122 1K
R116 220
Q100-105
6ch. PREOUT
BW BX
3
10 12 14 16 18
(X14-7XXX-XX) (A/8)
9 11 13 15 17 19
RESET/
FAST-OFF1/
BACK-UP CCTs.
+5V
5.4V
IC204
Q401
5.0V
5.0V
4.9V
Q205
D216
4.0V
SYNC
5.2V
R419
4.7
COMPOSITE
VIDEO
J201
DVD IN
VIDEO2 IN
-5.1V
R420
VIDEO1 OUT
4.7
MONITOR A OUT
VIDEO3 IN
VIDEO1 IN
Q100-105 : 2SC2878 (B)
J100
J202
R100
FRONT L
47 MONITOR B OUT
Q100
Q101
K
R101
FRONT R
47
R102
SURR. L
J203
47
Q102
MONITOR A OUT
6ch
PRE OUT
Q103
R103
SURR. R VIDEO1 OUT
47
R105
CENTER VIDEO2 IN
47
Q105
DVD IN
Q104
R104
SUBWOOFER
47
J204
MUTE
VIDEO1 IN
L
BY BZ
C
18 16 14 12 10 8 6 4 2
CN203
19 17 15 13 11 9 7 5 3 1
5.0V
5.4V
+5V
D212
+5V +5V
4.8V
30V
-28.8V
4.7V
5.3V
0V
C262 R265
1u50 1K
+
Q204
+5V
+4.8V
8.8V IC207 5.1V
B
75us CH.SPACE
+8.6V IN OUT
100KHz
10Khz S200 GND
+5V
R200 R201
AVR
100 22K
50us
50KHz
9KHz
5.0V
D205
R207 100K
D204 D207
R206 330
R205 100K
57
R204 100K
BUSY
56
DATA
D203 D206
R203 330
GND
R202 100K
D202
J200
5.2V
SERIAL
CONTROL
MONITOR B
C203
Q200
OUT BUFFER
47u25
+
D220
J E
Q201
C211
47u25
+ -5.1V
5.1V
C213
47u25
+ 5.1V
IC201
R208
68
7 8
GND VDD +5.2V
6 9
GND NC
5 10
OUT2 OUT1
R219 4 11 R222
68 M2 M1 11
3 12 220
IN2 IN1
2 13
C215 SW1 SW2
W31 1 14
47u25
IN3 VSS 5.1V
+
-5.1V
VIDEO
SELECTOR
C217
47u25
IC202
R224
+
8 9 220
GND B 9
7 10 R223
VSS A 10
6 11 220
R220
INH X3
68
5 12
Y1 X0
4 13
Y3 XCOM
3 14
YCOM X1
2 15
Y2 X2
1 16
Y0 VDD +5.2V
R226 220
2
R225 220
4
W190
5.2V
-5.1V
W191 C229 10u50 C230 10U50
-5.1V
+ +
C514 100P C515 100P
Q202 C539 C540 Q203
10u50 10u50
+ +
R227 R228
-5V +5V
680 680
AVR AVR
C207 C208
1000P -5.7V 5.7V 1000P
D209 D210
-5.6V 5.7V
-12.1V
12V
B
CA CB
2
E200
WH3
5.1V
12.0V
+7.8V
+4.8V
+5V D
96
94
93
92
W29
W140
11.8V
5.1V
+5V
12V
+12V
12V
+B
B