Kenwood KRF-V5010 Service Manual page 19

AE AF AG
Q Q
3 7 6 3 1 5 1 5 0
C106 0.33u50
+
C104 0.015
C108 8200P
C120 3.3u50
+
R461 1K Q1,2,5,6,9,10 Q3,4,7,8,11,12
MUTE
-10dB ATT.
FLch
C119 3.3u50 C361 R155
R287 1u50 1K R327
+
2.7K + 1K
R460
0.7V -4.8V
1K R110
270 Q3
R147 R157
1W
Q1
15V C181
1K 2.2K
R103 4.7u35
470 +
R148 R158
Q2
1K 2.2K
Q4
0.7V -4.8V
R104 C182 C360 R156
470 4.7u35 R288 1u50 1K R328
+ +
2.7K 1K
R107 470 C205 4.7u35 FRch
+
C363 R171 SLch
R105 470 C193 4.7u35 R289 1u50 1K R329
+ 2.7K + 1K
0.7V -4.8V
R106 470 C194 4.7u35 Q7
R163 R173
Q5
+
1K 2.2K
R164 R174
R108 470 C197 4.7u35
Q6
+ 1K Q8 2.2K
0.7V -4.8V
SRch
C362 R172
R290 1u50 1K R330
R111 1K
+
39 2.7K 1K
R112 1K
-4.8V
40
R113 1K
41 Cch
C359 R187
4.9V R291 1u50 1K R326
+B
+
2.7K 1K IC12(1/2) 15.0V
+15V
0.7V -4.8V
3 8
+B Q11
+ 1
R109 R179 R189
R332 -15.0V 2 IC12(2/2)
Q9
+15V -
1K 2.2K SW AMP
750 220
1W
C300 0.18
Q10 Q12 0V
R180 R190
R186 18K
1K 2.2K
R178 C326
0V
0.7V 1.2K -4.8V 47u16 6 C214
C327 - 7 1u50
+
R188 1u50 5
+ +
+ 4
2.7K IC12(2/2)
SWch
0V -15.0V
15V
ATT.
DRIVER +15V
Q14
-4.8V
3.7V 3.7V MUTE
DRIVER
R192 R197
Q13 Q14
1K 1K
T E
L 3.0V 1 3 9 4 2 2 9 6 5 1 3 4.6V
R92
17
1K
12
11
3
15V
7
6
6
2
R363 47K R139
13 15V
R118 47K 2K
15V 15V
-6.2V
0V
SL,SR:ON/OFF
+15V
MD REC:ON/OFF
IC17
(BOTTOM VIEW)
-6.2V
R140
+B +15V
2K
6.4V
+15V +15V
15V 15V
w w w
.
DC VOLTAGE FOR IC3
PIN NO
1 2 3 4 5 6 7 8 9 10 11
IC3
STK411-230K A 61.2V 0V 35.7V C 36.0V 27.8V -27.7V D -36.0V B -61.2V -35.7V -35.7V -35.7V
STK407-090K B D -41.8V B D -41.8V A C 41.9V
AH AI AJ
POWER IC (FRONT L,Rch)
IC3
R204 R203
56K 56K X X
W301 W302
R202 R201 X
W120
100K 100K
C216 C217
1000P 1000P
IC3
STK411-230K
IDLE CURR. (L) or (R)
STK410-030K
+ 61V : 50mA MAX
-
STK407-090K
+ 36V : 100mA MAX
- STK407-290K
IC4
IDLE CURR.
(C) or (SL) or (SR)
+ 61V +63V
: 40mA MAX
-
+ 36V : 150mA MAX 63V
-
64V 64V 64V
C235 C233 C234
1000P 1000P 1000P
R217 R219 R218
X
W59
100K 100K 100K
R231 R221 R222
56K 56K 56K
IC4 POWER IC (C,SL,SRch)
+15V
15V
x a o
y
i
DC VOLTAGE FOR IC4
PIN NO
12 13 14 15 16 17 18 19 20 21 22 23 1 2 3 4 5 6 7 8 9
IC4
0V 0V 0V 0V -56.0V 57.2V 0V 0V -54.8V 0V 0V STK410-030K A 61.2V 0V 35.7V C 36.0V 27.8V -27.7V D -36.0V B -61.2V -35.7V
0V 0V 0V 0V -37.4V 38.5V 0V 0V -36.1V 0V 0V 0V STK407-290K 0V 0V B D -41.8V
AK AL AM
P2 F C
8
CN7 CN9
1 2 3 4 5 1 2 3 4 5 6
30V 30V
R271 33K
R241 L1
0.1 2W R403
X
R245 0V 22
C253
Q15
1000P
0V R247 470
A -0.9V R272 33K
R242 L2
0.1 2W R404
X R246 0V 22
C254
Q16
1000P
0V R248 470
A -0.9V
D10 D11 D54
Q15-18
CURRENT
LIMMITER
64.3V
R249 L5
0.1 2W R407
X R253 22
0V
R273 R267 C258
C257
Q17 33K 4.7 0.1
1000P
1/4W
0V R255 470
A -0.9V
+63V
63V
L3
R257
0.1 2W R405
X R261 0V 22
R275 R269 C261
+64V +64V Q Q
C255
+34V Q19 3 7 33K 4.7 6 0.1 3
1000P 1/4W
34V
0V R263 470
64V
A
-0.9V
R258 L4
0.1 2W R406
X X R276 R270 C262
D12 R262 0V 22
33K 4.7 0.1
C256
A -0.9V 1/4W
X D13 X 1000P
W70
R264 470
0V
+64V
A
Q18 A
A R274
PROTECTION -0.6V
3.3K
Q26
DRIVER
D26 D23
A -0.6V
0V
Q33 Q24
R408 0V
2.2K Q25
+ Q34
+64V
A -4.1V A
Q29
+63V +63V
A -3.4V
A -0.7V
FIRST
OFF R414 Q35 R457
10K
0V
0.6V 1K
R418 Q37
A
4.7K Q36 -0.6V
Q32
B
B +5.2V
Q30
63V 63V
+64V
+34V
34V
64V
30V
( 25 )
+15V
15V
Q41
X R450
D50
2.7K
Q40
X
R451
u 1 6 3 D51
2.7K
.
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
-35.7V -35.7V 0V 0V 0V 0V -56.1V -56.4V 0V 0V -55.0V 0V 0V 0V 0V -35.9V 0V
B D -41.8V A C 41.8V 0V 0V 0V 0V -37.4V 38.5V 0V 0V -36.1V 0V 0V 0V 0V -41.8V 0V
AN AO AP
E
9 2 4 9
KRF-V7010 (X00-288X-XX)
DESTINATION
UNIT No.
X WH2 COUNTRY ABB.
7 8 9 10 11 12 13
PX Y1 2-91
GENERAL MARKET M1 0-21
AUSTRALIA X1 0-71
U.K. T1 0-52
EUROPE E1 2-72
X
C281
4700P KRF-V5010 (X00-288X-XX)
DESTINATION
UNIT No.
COUNTRY ABB.
X PX Y1 2-91
J8
FLch GENERAL MARKET M1 0-21
AUSTRALIA X1 0-71
+ U.K. T1 0-51
+24V 1 Lch EUROPE E1 2-71
-
K1
KRF-V6010 (X00-288X-XX)
DESTINATION
-
UNIT No.
FRONT COUNTRY ABB.
2 Rch
A SP. GENERAL MARKET M1 0-21
ON:0V +
AUSTRALIA X1 0-71
OFF:24.0V
EUROPE E1 2-71
+
KRF-V5010E/V6010E (X00-2882-71)
3 Cch
Q20
FRch
- DESTINATION
UNIT No.
ON:4.4V FRONT A SP COUNTRY ABB.
OFF:0V ON/OFF EUROPE E2 2-71
X J10
KRF-V5010W/V6010W (X00-2882-71)
+ DESTINATION
+24V UNIT No.
COUNTRY ABB.
1 Lch
X K2 RUSSIA Q1 2-71
-
FRONT
KRF-V7010E (X00-2882-72)
B SP.
-
DESTINATION
UNIT No.
ON:0V 2 Rch COUNTRY ABB.
OFF:24.0V
+ EUROPE E2 2-72
KRF-V7010W (X00-2882-72)
X Q21 +
DESTINATION
FRONT B SP 3 SLch UNIT No.
ON:4.4V COUNTRY ABB.
OFF:0V ON/OFF
- RUSSIA Q1 2-72
SURROUND
SP.
VR-205/206/207/255/257 (X00-2880-10)
-
4 SRch DESTINATION
+24V
UNIT No.
Cch COUNTRY ABB.
K4 + U.S.A. K
CANADA P1
U.S.A. K1 0-10
P1
CANADA P2
U.S.A. K2
ON:0V
CANADA P3
OFF:24.0V
SWch
Q22
(
12 )
C,SWch
ON:4.4V
OFF:0V ON/OFF
+24V
SLch
K3
1 5 1 5 0 8 9 2 -30V AVR
+64V
-31.1V
ON:0V Q31
OFF:24.0V
SRch
Q23
X J9
ON:4.4V SURROUND
OFF:0V (SL,SRch)
1 Cch
ON/OFF
64V
+34V
2 SLch
PRE OUT
3 SRch
34V
+24V
+64V 4 SWch
+15V
X J11
SWch
A -3.8V
Q42
R400
4.7K
0V
+4.5V
+24V +24V
B
+64V +64V
+34V +34V
34V 34V
64V 64V
30V 30V
+15V
15V
m
c o
AQ AR AS
8 2 9 9
Q1 : 2SC3940A(R,S)
CN9, Q2 : 2SC2003(L,K)
T1 J1 R1 W1,2 W3 W4 P1
10
E03-0148-05
L07-2128-05 NO
D1-4 : 1SR139-400 or S5688B
E03-0149-05
NO YES
E03-0325-05 NO NO NO D5 : MTZJ6.2(B) or RD6.2ES(B2)
E03-0310-05 D6,7,9 : 1SS133 or HSS104A
L07-2129-05 YES
E03-0149-05 YES NO
D8 : MTZJ2.7(B) or RD2.7ES(B2)
CN9,
T1 J1 R1 W1,2 W3 W4 P1
10
E03-0148-05
L07-2128-05 NO
E03-0149-05
NO YES
E03-0325-05 NO NO NO
L07-2129-05 E03-0310-05 YES
E03-0149-05 YES NO
CN9,
T1 J1 R1 10 W1,2 W3 W4 P1
L07-2128-05 E03-0149-05 NO
NO YES
E03-0325-05 NO NO NO
L07-2129-05 YES
E03-0149-05 YES NO
CN9, W1,2,
T1 J1 R1 W3 P1
10 4
L07-2129-05 E03-0149-05 NO YES NO YES NO USED EXCEPT
(K,P) TYPE
CN9, W1,2,
T1 J1 R1 W3 P1 (X00- ) (B/6)
10 4
L07-2129-05 E03-0149-05 NO YES NO YES NO
POWER
SW
CN9, W1,2,
T1 J1 R1 W3 P1 S1
10 4 WH1 CN3
L07-2129-05 E03-0149-05 NO YES NO YES NO
2 2
1 1
CN9, W1,2,
T1 J1 R1 W3 P1
10 4
L07-2129-05 E03-0149-05 NO YES NO YES NO
CN9, W1,2,
T1 J1 R1 W3 P1
10 4
CN4
L07-2127-05 E03-0148-05 YES NO YES NO YES
+5.6V 1 +5.6V
D. GND 2
F
F. OFF 3
POWER 4
D. GND 5
4 9 8 2 9 9
T1
A POWER TRANSFORMER
D31
CN1
B RED
+64V + ~ 1 1
64V - ~
-31.6V
B
R310
X
W351 BLU
1K 2 2
X R311
BRN
3 3
C
D32
+34V +34V + ~
BLU
34V - ~ 4 4
X R312 D
27K
RED
5 5
34V
R300 1 1/4W HOT
+24V
R323
15.0V 68 5W
IC1
24.0V COLD
IC1
15V AVR
D33
ORG
OUT IN
+15V +24V 6 6
GND
D34
R317
BLK
7 7
27K
D35
-15.0V -25.7V
D36
GND ORG
15V OUTIN 26V 8 8
IC2
-15V AVR IC2
R322 390 2W
R325 390 2W
CN2
( 8 ) 1 1
GRY
( 9 ) 2 2