Kenwood KRF-X7775D, Service Manual

Page: 38 / 68

EF EG EI EK EM EO EH EJ EL EN
2
1
3
5
7
4
6
C20 220P
100
C22 220P C21 220P R66 470K R67 470K
NP F1 F1
2
1
3
2G 1G
4 5
C19 220P R64 470K R65 470K
4G 3G
6 7
99 98 97
R92
R85
R91
R84
R86 300
R6
R89 300
R90 300
R7 300
R82
R83
R94 10K
22
23
24
9
8
7
6
5
4
3
2
27
51K
R219
+5V
+5V
+5V
+5V
+5V
B
BUSY
DATA
GND
RX
TX
100uH
L401
220P C402
220P C404 220P C405
220P C401
1K
R404
47K
R403 100P C406
470 1/4W
R401
1K
R402
0.1
C407
1K
R425
R424 100
330P
C416
4.7K
R427
10K
R426
1000P
C417
1K
R429
1K
R428
L403
100uH
22K
R430
470 1/4W
R439
1K
R438
2.7K
R436
22K
R434
100
R433
1K
R435
2.2K
R437
1K
R442
47K
R441
470 1/4W
R431
470 1/4W
R432
100P C419 100P C420
VDD
COMMON
CH0 CH1
A
4 1 2 3
VSS INH VEE
5 8 7 6
100P
RF CLK 2
RF DATA 1
RF CE
SYNC DATA
SYNC BUSY
TEXT RX
TEXT TX
TV SENSOR
REALY CONT.
3
4
5
6
7
8
9
F IR 17
u-COM GND
RELAY POWER
IR14V
u-COM +12V
u-COM 5.6V
TX REM(455kHz)
IR SEL
10
11
12
13
14
15
16
+B(+5V)
RF OUT
RF GND
GND
RF CE
RF DATA
RF CLK
2
1
3
4
5
6
7
R443
47
+5.0V
+12V
+12V
+12V
+5V
+B
+12V
+12V
47u25
1/4W
OUT
GND
VCC
VCC
GND
OUT
47u25
C85
1
W91
2
12
R198 10
3
+B
+ 1/4W
2
1
W92
13
R197 10
+B
3
+
C84
47u25
1/4W
OUT
GND
VCC
GND
OUT
+B
1 W93
+
C83
2
47u25
1/4W
1
R196 10 3
15
+
C82
2
W94
R249 10K
47u25
C80
VCC
OUT
VCC
GND
GND
OUT
C81
47u25
R195 10
+B
3
W96 1
2
4 5 6 7
D. GND
TX. OPT RX. OPT
D. +5V
R194 10 3
+
+B
1/4W
2
1
R205 680
C88 27P
R200 100
VCC
VCC
GND
OUT
12 13 14 15 16
1
R193 10
+
+B
3
1/4W
D2 D3
3 2
1
Y D0 D1
5 4
D4
VCC
D7 D6 D5
3
R192 10
+B
+
47u25
C79
2
1/4W
R199
+B
10
C86
0.1
15
R244 10K
12 13
R241 10K R242 10K R243 10K
GND
VCC
R191 10
2
+
C78
47u25
1
1/4W
IN
3
5
100
100P R21
1
C91 22K
10
11
C97
100P
1 2 3
D. SEL-C D. SEL-B D. SEL-A
100 100 100
P1
9
R201 1K
R212
100
R214
C92
100P
22K
C105 100P
C95
9 10 11
75
470K
C96 100P
R217 R216
GND ST W
8 7 6
C B A
R213
0.1
R218 75
C94
11
10
9
YC
100P
7
6
AUX-C
AUX-Y
AUX-V
IC11
AUX GND
4
3
AUX VGND
AUX Rch
2
1
AUX Lch
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
R215
75
100P
C93
10K
R245
W95
18 REM1
19 REM2
1/4W
C421
100P
100
R450
W84
W89
W86
4.7K
R444
100uH
L404
IC401
1K
R445
0.1
C431
0.1
C430
W82
10
R410
100u10
C410 +
W83
W81
7
4
5
6
Q412
Q415,416
1/4W
100
R232
COUNTRY
SHANGHAI
DESTINATION
No. ABB.
22-10 V1
UNIT
B30-2548-05
U.S.A.
DESTINATION
COUNTRY
150
K
0-10
UNIT
No. ABB.
D11 R6
B30-2573-05
D15-18,
P1 CANADA
UNIT DESTINATION
CANADA
COUNTRY
U.S.A.
0-11
P2
ABB. No.
K1
EUROPE E1 2-71
COUNTRY
DESTINATION
No.
UNIT
ABB.
12-71
10-21
AUSTRALIA
EUROPE
PX
E2
X1
Y1
GENERAL MARKET M1
18
R449
P3
(GREEN) (RED)
24,25
270
R82-85,
91,92
B30-2573-05
D11
B30-2548-05
NO 150 270
91,92
R82-85,
R6
D15-18,
24,25
S18
(RED)
B30-2573-05 B30-2548-05
(GREEN)
D11
270
220
150
R82-85,
91,92 24,25
D15-18,
R6
220
(BLUE) (BLUE)
B30-2571-05 B30-2571-05
B30-2573-05
(GREEN)
D11
B30-2548-05
(RED)
270
91,92
R82-85,
R6
150
D15-18,
24,25
W95 D414 Q419 D F C B
NO
YES
NO
YES
245
NO
YES
NO
YES
YES
YES
D F C B
NO
B
YES
D F C
YES
W95
244
Q419 D414
R241-
YES YES YES
R241-
245
NO
R241-
Q419
NO NO
D414 W95
NO
B F D C
YES NO
R241-
245
YES NO
Q419 D414
NO YES
W95
2
1
3
4
5
6
7
3
2
1
R440 47K
R203 R204 R202
C415
(X25-64XX-XX) (A/11)
ED1
(X25- ) (B/11)
IC401
IC11
(X25- ) (D/11)
(X25- ) (E/11)
O
L
J
H
G
B
5.3V
14.6V
14.6V
4.9V
4.9V
4.9V
4.9V
4.9V
4.9V
4.9V
4.9V
5.0V
5.1V
5.1V
5.1V
14.9V
5.6V
5.0V
-34.5V
D25
D18
D24
D17
DRIVE
MPEG
HDCD
DTS
D19
D11
D22
D23
D12
D15
D16
REMOTE TX.
DTS NEO6
CLIP INDICATOR
CD2/TAPE2 MONI
96kHz
THX
DOLBY DIGITAL
AUT
O
S1
S2
BAND
Q15
Q13
Q14
Q8
Q7
Q16
Q4
Q12
Q9
Q11
Q10
J201
J202
SYSTEM
CONTROL
SL16
TEXT
J203
J204
SECOND
IR IN
ROOM
SECOND
ROOM
IR OUT
IR OUT
OUT
REPEATER
J209
J208
J207
IR IN
Q401
D403
Q402
L.P.F.
Q413
D408
Q412
Q414
L.P.F.
D410
Q415
Q416
CN102
CN103
REPEATER
OUTPUT AMP
J IC11 : TC74HC151AF
A9
VIDEO 4
VIDEO 3
A8
VIDEO 2
A7
CD-R
CD1
A6
MD/
A5
A4
DVD/6ch
A3
OUT
DIGITAL
A2
INPUT
CN4
AUDIO R
D27 D28
AUDIO L
VIDEO
J5
SELECTOR
S VIDEO
AV AUX
J6
E10
WH6
O
L
C
TAPE2
B
DIGITAL
3/6
X13-A/6
-CN3
D413
D412
Q419
D414
Q417
D411
Q418
/DVD
CONTROL
TV REM
DRIVER
RF/IR IN
SELECTOR
D
F
KRF-X7775D-S (X25-64XX-XX)
VR-5080 (X25-6410-10)
VR-5090 (X25-6410-11)
KRF-X7775D (X25-641X-XX)
DA204U or 1SS302 D27,28 :
IC401 : TC4W53FU
Q401,414,416,417
: 2SC4081(R,S) or
2SC4116(Y,GR)
Q402,413,418 : DTC124EUA or
UN5212
Q419 : DTA124EUA or
UN5112
Q412,415 : 2SA1576A(R,S) or
2SA1586(Y,GR)
D403,408,411 : DA204U or
1SS302
D410,412-414 : 1SS133 or
HSS104A
B
-CN7
X13-A/6
3/6
-CN13
X13-A/6
3/6
-CN2
X13-A/6
3/6
-CN1
X13-A/6
3/6
-CN1
X05-510
1/6
BB-7
BM-4
N-1
BD-1