Kenwood KRF-X7775D Service Manual page 37

DV DW
D51 D55
+B
R219
D57
100K
FL2
Q205
R221
D59
100K
L1
R229
22 1/4W
2.8V Q354
12
FL1
R223 47K
Q205,
CURRENT LIMITTER
207
R225
D61
R227 1K 33K
B
C251 C253
SP. A
D52 D56 0.22 0.22
RELAY
DRIVER
C255 0.1
+B
Q351
C256 0.1
R220
FR2 D58 11
100K
C252 C254
Q206
0.22 0.22
R222
SP. A
D60
100K
ON: 2.8V
L2
R230
22 1/4W SP. B
ON: 2.8V
R224 47K
Q352
FR1 D62
R226
14
Q206,
33K
CURRENT LIMITTER
208
R228 1K
SP. B
RELAY
B DRIVER
D91 D93
+B
R310
100K D94
C2
Q303
R311
D95
100K
C259 C261
0.22 0.22
L5
Q353
C263 0.1
R315
10
22 1/4W
C264 0.1
R312 47K
C260 C262
C1
D96 Cch/Surr
R313
0.22 0.22
: 2.8V
Q303,
CURRENT LIMITTER
304 33K
R314 1K
C269 C270
B
0.22 0.22
C271 0.1
D71 D75
+B
R269
D77
LS2 100K
Q255
R279
22 1/4W
L3
R271
D79
100K +B
R273 47K
-59.0V
LS1
B
Q255,
CURRENT LIMITTER
257
R275
D81
R277 1K 33K
B
Q408
D72 D76
+B
R270
RS2 D78
100K
Q256
R280
22 1/4W
L4
R272
D80
100K
R274 47K 4 3 2
RS1
D82
R276
Q256,
CURRENT LIMITTER C351
258 33K
10u100
B
+
R278 1K
-56.6V W507
B
+17V
3
DX DY
CN1
FL1 10
FL
FL2 9
FR1 8
FR
FR2 7
C1 6
C
C2 5
LS1 4
SL
LS2 3
H.P
RS1 2
RELAY
SR
DRIVER RS2 1
K5
CN8
R362
270
1
1/4W R361
+B 2 1
470 2W
3
J1
Lch
K1
SP A
R356
270
1/4W Rch
+B
28.0V
Lch
K2
R357
270
SP B
1/4W
+B
28.0V
Rch
WH13-1 (1/2) BLK
13
WH10-1 (1/2) BRN
Q353
10
WH17-1 (1/2) WHT
SL/SRch/Cch
17
RELAY DRIVER WH16-1 (1/2) GRY
16
WH3
4
1 SLch
K3
3
2 GND
2
R358
270 2
3 SRch
1/4W
1
4 Cch
K4
R359
270
28.0V
1/4W
+B +B
+B
B
+17V
35V
POWER
RELAY
DRIVER
R397
4.7K
+12V
1 1 3 5 7 9 11 13 15 17 19 21 23 25
E1 CN4
2 4 6 8 10 12 14 16 18 20 22 24
WH2 BA-1 I
DZ EA
GND
1
D107
CURRENT
+B
PROTECTION
D108
+B
59.4V
Q383 Q384
2
Q381
R384
Q382
8.2K
SRch
GND
E2
SLch
D105
VOLTAGE
PROTECTION
21
FAN
FAN DRIVER
CN6
Q404
+B +B 1 1 1 M
R510
2 2 2
1.8K 2W
FAN
3 3 3
ON/OFF
Q402
WH5
CONT.
Q401
25
Q403
24
FAN
CN7 THERMISTOR
H/L CONT.
2 2
WH13-2
19 1 1
(2/2)
59.0V
13
C405 WH12-2
0.01
WH12-1 (1/2) (2/2)
+B
WHT
WH11-2
(2/2)
D100
R392
WH10-2
100K
(2/2)
10
R393
100K
C406
0.01 WH11-1 (1/2)
B
YEL
R394
D102 D101
10
B
1/4W WH14-1 (1/2)
WH15-1 (1/2)
-56.6V
(X07-)
(B/5)
R398
2.7K
1/4W
R401
33K
Q406 R402
Q405
10K
AU-3
-56.6V
B
C308 47u100
+
R395
D121 D122
6.8K
1/4W
C307 10u100
-35V
+ AVR
-35.0V
Q407
C306 10u100
-34.5V
+
D123 D124
EB EC
(X25-) (F/11)
KRF-X7775D-S (X07-33XX-XX)
DESTINATION
UNIT No. J2
J7 COUNTRY ABB.
WH5 E1
PX Y1 52-91 E03-0148-05
3
PHONES GENERAL MARKET M1 50-21 E03-0149-05
R127 2.2
X1
Lch 2 AUSTRALIA 50-71 E03-0325-05
R126 2.2 EUROPE E2 52-71 E03-0149-05
Rch 1
SHANGHAI V 42-10 E03-0361-05
P2 DESTINATION C251-254,259- C255,256,263,
262,269,270 264,271,404
COUNTRY ABB.
PX Y1
GENERAL MARKET M1
(X25-) (J/11)
AUSTRALIA X1 YES
J1
CN2 EUROPE E2
SHANGHAI V
Cch 1
CENTER
C
2
SPEAKER
KRF-X7775D (X07-335X-XX)
3
DESTINATION
UNIT No. J2
4
COUNTRY ABB.
EUROPE E1 2-71 E03-0149-05
SL
DESTINATION C251-254,259-
262,269,270 264,271,404,454
COUNTRY ABB.
SURROUND
EUROPE E1 YES
SPEAKERS
SR VR-5080/5090 (X07-3350-10)
DESTINATION
UNIT No. J2
COUNTRY ABB.
U.S.A. K,K1
0-10 E03-0148-05
CANADA P1,P2
DESTINATION C251-254,259-
262,269,270,454
COUNTRY ABB.
U.S.A. K,K1
(X13-) (E/6)
NO
CANADA P1,P2
E1
1 10
11
2
12
EXCEPT USED
3
(M1,Y1)TYPE
(X07-) (E/5)
4
13
+B
14
B
15
USED
Q1,2,51,52,101
16 (M1,Y1) TYPE
Q3-6,53-56,102,103,207,208,
5
257,258,304,383,384
17
Q7,8,57,58,106
6
Q9-12,59-62,104,105
7
Q13,14,63,64,107,530
8 18
Q108,405,406
9 19
20
Q109,401
21
22
Q201,202,251,252,301
Q203,204,253,254,302
Q205,206,255,256,303,381,382
Q351-354,402,403
Q404
Q407
(X07-) (D/5)
Q408
S1
220-
240V
WH21-2
WH22-2
110-
WH23-2
120V
WH24-2
F
(X07-) (C/5)
WH25-1
BRN
F1
WH26-1
ORG CN32 CN31
F3
WH27-1
250V
WHT
T2.5AL
CN12
CN36 CN35
5
W503
4 J2 W W
3
2
1
+B
STANDBY
: 12.3V
D503
CN11
POWER ON
: 0.1V
D509
2
D513 D514 D504
1
D505
Q530
CN5
RELAY POWER 4 D506
5.0V 11.8V
F. OFF 3
D510 D507
14.9V
uCOM +12V 2 +B +B
3
D508
uCOM GND 1
KRF-X7775D/X7775D-S/VR-5080/5090
Y05-4210-10
ED EE
WH21-
WH1 WH28 F1 F2 F3 S1
27
YES 250V T3.15AL 250V T3.15AL YES
NO
YES NO
NO 250V T4L NO 250V T2.5AL NO
NO
CN12, CN35,
C454 CN11 W501 W502 W503 R502 T1
33,34 36
YES NO YES NO L07-2937-05
NO YES
NO NO NO
NO YES NO YES YES NO L07-2936-05
NO YES
WH21-
WH1 F1 F2 F3 S1
28
YES NO 250V T4L NO 250V T2.5AL NO
C255,256,263, CN33, CN35, W501,
CN11 CN12 W502 R502 T1
34 36 503
NO YES NO NO YES NO YES NO L07-2936-05
WH1,
F2,3
WH28 F1 S1
21-27
NO YES 125V 10A NO NO
C255,256,263, CN12, W501-
CN11 R502 T1
264,271,404
33-36 503
YES YES NO YES YES L07-2939-05
SIGNAL LINE
GND LINE
B LINE
B LINE
: 2SC2878(B) D1-4,11-14,21,22,53-62,73-82,
92-96,107,108,111-115,
: 2SA992(F,E) 252,253,502,509,511-513
: 2SA1123(R,S) : 1SS133 or
: 2SC2631(R,S) HSS104A
: 2SA933AS(Q,R) or D51,52,71,72,91 : 1SS244
2SA1048(Y,GR) D100 : RBV-1506LFA
: 2SC1740S(Q,R) or D101,102,503-508,510
2SC2458(Y,GR) : S5688B
: DTC124ESA or D103 : MTZJ13(B) or
UN4212 RD13ES(B2)
: TRAIT8N 5 D104 : MTZJ15(B) or
: TRAIT8P 5 RD15ES(B2)
D105,106,514 : MTZJ4.7(B) or
: 2SC1845(F,E) RD4.7ES(B2)
: DTC113ZSA or D109,251 : MTZJ5.1(B) or
UN4219 RD5.1ES(B2)
: 2SD2012 D121,122 : MTZJ18(B) or
: 2SA1110(R,S) RD18ES(B2)
: 2SC2003(L,K) D123,124 : MTZJ20(B) or
RD20ES(B2)
WH29
C453
6800P
K6
WH28
D502
(K,K1,P1,P2) : AC120V 60Hz
(Y1,M1) : AC110-120V/220-240V~
CN10
50/60Hz
(V) : AC220V~ 50Hz
1
(X1) : AC240V~ 50Hz
2
(E1,E2) : AC230V~ 50Hz
11.8V
(X25-) (G/11)
S20
WH1 CN5
AC
2 2 2 2
POWER
T1
W502 AC
1 1 1 1
EXCEPT USED
(K,K1,P1,P2) TYPE
VR-5080/5090 (5/6)
KRF-X7775D/X7775D-S (5/6)
P1