Kenwood VR-606 Service Manual page 12

AJ AK
(X09-6680-11) (A/9)
J603
C643
47u25
VIDEO2 IN
+
VIDEO
SELECTOR
C645
1
47u25
VIDEO1 IN
+ 5.4V
7 8
GND VDD +5.1V
6 9
C644
GND N.C
47u25 5 10
DVD IN OUT2 OUT1
+
4 11
M2 M1
3 12
IN2 IN1
2 13
SW1 SW2
1 14 R657
IN3 VSS
10
J604
R653
IC607
68
MONITOR A OUT
R652
68
VIDEO1 OUT
WH120
2
VID.D GND 1
X25-
CN501 VCTLB 2 14
V.MUTE 3 15
1/4
VCTLA 4 13
+12V 5 +12V
O - 5
-12V 6 12V
C311
WH118 FR
R387 4.7u35
FR IN 15 15
+
2.2K
GND 14
RS CH IN 13 13
X09-B/9-
SW
GND 12 RS
WH118
SW IN 11
2/4 CENTER
GND 10
C CH IN 9
LS
V - 7 GND 8
LS CH IN 7
R388 C380 FL
GND 6
2.2K 4.7u35
FL IN 5
3
+
R397
100K
GND 4
Q316
12.0V
A.MUTE
+12V 3 +12V
-12V 2 12V
GND 1
-6dB ATT
12.0V
4.3V
R385
Q319 Q316
1K 4.4V
Q317
R386 R389 R366
1K 10K 10K
Q318
-12.2V
R346
100K
11
12
4
C337 R308 R309
10u25 100K 1K
+
WH124
+20V 1 +20V
FAN DET 2
GND 3 5.3V
5
WH117
H.P R 3
H.P L 2
14
GND 1
57
R130
Q114
22K
RELAY
(X09- ) (E/9) DRIVER
J801
CN806
H.P R 3
H.P L 2
GND 1
HEADPHONE
15 13 11 9 7
1 2 3 4 5
P102 WH123 14 12 10 8
6
X14-A/2- 4/4 X14-A/2-
4/4
CN805
AT-1
CAUTION: For continued safety, replace safety critical components only with manu-
facturer's recommended parts (refer to parts list).
nents. For continued protection against risk of fire, replace only with same type and
rating fuse(s). To reduce the risk of electric shock, leakage-current or resistance mea-
surements shall be carried out (exposed parts are acceptably insulated from the sup-
ply circuit) before the appliance is returned to the customer.
7
AL AM
R301 1K R316
D302
4.7K 1W
11.7V
Q301
MUTE 26.2V 41.0V
Q302
R302 1K
13
R661
10 3
+PRE
2
+REF
C302 2.2u50 R314 100
14
+VL
IN/CH1
+ +VH
15 +RE/CH1
NF/CH1
-RE/CH1
-5.4V
C333 -PRE
9
BIAS
4.7u50 11.8V
12
+ 16
0V
R356
1.5K
8
Q307
0V
R326 33K
R322 R324
R358 75K 1K
1.5K
9 C316
Q308
0V
10P
0V 11.7V
Q309
Q401
Q310
R360
10K
D315 Q311
R323 R325
0V
11.7V 11.7V
75K 1K
C317
R327
10P 33K
Q312
R317
D301
4.7K -41.0V
R363
1W
-26.6V
10K
12.0V 7
+12V 4
SUB GND
5
-REF
17
-VL
NF/CH2
-VH
R369 C301 R315
2.2K 2.2u50 100 18
+RE/CH2
IN/CH2
+ -RE/CH2
10
R370 C272 R271 0V
2.2K 2.2u50 100
+
-12.4V
19
IN/CH3
R303
1K 20 +RE/CH3
NF/CH3
-RE/CH3
Q303 22
R304
1K
R352 75K R350 1K
Q304
C330 10P
Q303-306
MUTE
R305
1K
Q305
R306
1K
Q306
12V
+5.2V AVR
-30.3V
T101
C127 27P 11.4V
IC105
R123
D117
1 1/4W C135
10P
11.4V WH119
Q113
4
0.3V 3
2
C133
1
10u50
R129 2.2K
+
POWER RELAY
K101
0.8V
1
9.9V
Q114
2
3
1
SIGNAL LINE
R379 R380
GND LINE
1.2K 1.2K
+B B LINE
C376 C377 C137
R143 B B LINE
22u50 22u50 0.01
100K + +
5 3 1 P101
6 4 2 CN103
CN802
AT-5
indicates safety critical compo-
AN AO
+39.8V
+65.3V
67.9V
R332 470
FR
Q314 R334 4.7 1/4W
IC301
0V
1 (1/3)
L302 3uH
R328 10K
C322 4700P
8
R330 30K
R381
R338 0.22 2W 10K D304
1
R340 0.22 2W
C445
56P
C1
67.9V 10u
64.9V Q403
R409
100
R403 Q402
47
+
10K
R441
67.6V R407 Q404
-66.6V 5.6K
4.7K
64.0V
R425 Q405
D307
4.7K
-66.7V
-66.2V
D305 D306
Q406
39.8V
65.2V
-67.9V
Q313
R333 470
FL
IC301
R329 10K 0V
6
(2/3)
C321 4700P
L301 3uH
R331 30K
R335
11 R339 0.22 2W 4.7 1/4W
D303
R341 0.22 2W R383 10K
CENTER Q315
R384 470
IC301
R344 10K
(3/3)
C329 4700P
R359 30K
R382
21
R348 0.22 2W 15K D310
3
R349 0.22 2W
R347
4.7 1/4W
L303 3uH
12.0V
+12V
12V
+20V
+12V
19.9V -12.4V
12.0V
+20V
30V 30V
-65.8V
R133
-67.9V
18K R134 18K
R126
100 1/4W
65.2V
C139
21V
100u25
+
67.9V
D118 D119 19.9V
R128 -21.4V -12.4V
2.7K C138 C156 C157
-31.8V +65.3V
100u25 33P 27P
+
WH121 WH122
4 3 2 1 3 2 1
WH121 WH122
4 3 2 1 3 2 1
65.2V
C148 C150
41.0V
IC106 0.1 0.1 IC107
+39.8V
C149 C151
0.1 0.1
+12V AVR -12V AVR
39.8V
(X09-) (H/9) (X09-) (I/9)
The DC voltage is an actual reading measured with a high
impedance type voltmeter with no signal input. The mea-
surement value may vary depending on the measuring
instruments used or on the product.
AP AQ
+39.8V 41.0V
+65.3V
D402
R452
67.9V
R464
4.7K 1W 26.2V
Q408
470
13 RS
3
+PRE IC401
C406 R420 2
+REF R456 10K
2.2u50 100 1 (1/3)
14
+VL
IN/CH1
+ +VH C424 4700P
R458 30K
15 +RE/CH1
NF/CH1
-RE/CH1
8
R460 0.22 2W
-PRE
9
BIAS
12 R462 0.22 2W
16
R481
D404
15K
R466
4.7 1/4W
R428
R426 75K 1K L402 3uH
C416 10P
3
C325 C323 R343
11.7V
0.1 0.1 4.7 2W
C327 C328 R345 R429
R427 75K 1K
0.1 0.1 4.7 2W
C417 10P
39.8V -41.0V
65.2V
C307 R453 D401
-67.9V
100u50
4.7K
+ R465
-26.2V
1W Q407
LS 470
C319 7
4
100u100
SUB GND
IC401
5
+ -REF R457 10K
17 6 (2/3)
-VL
NF/CH2
-VH C425 4700P
C407 R421
2.2u50 100 18 R459 30K
+RE/CH2
IN/CH2
-RE/CH2
+
11 R461 0.22 2W
10
R463 0.22 2W
SW
Q409 R470
IC401 470
C436 R433
2.2u50 100 (3/3) R471 10K
19
IN/CH3
+
C430 4700P
R475
20 +RE/CH3 R472 30K 4.7 1/4W
NF/CH3
-RE/CH3
22
L403 3uH
R473 0.22 2W
21
R474 0.22 2W
R431 75K R430
1K
C431 10P
+12V
IC206
1 8
C378
VCC
7 1u50
+
2
3 6
R286 C353
+12V
4 5 1K 2.2u50
12V VEE
+
-12.4V
+20V
(X09- ) (G/9)
T102
WH107
R141
WH107
1 1/4W
3
3
19.9V
2
D120
1
+20V
2
R142
1
WH106-1
1
1/4W
11
21V
WH106
10
11
9
D121
10 (X14- ) (B/2)
8
7
6
5
9
4
-67.9V 3
2
8
D122
1 30V
7
X14-A/2- CN114
6
WH804
-30V 1 30V
5
AC 2
4/4
4 FL 3
FL 4
3 AT-1
-41.0V
WH110
2
30V 1 2
1/4
W399
1
X08-
K - 6
CN603
Y05-4530-11
AR AS
IC105 : BA05T
IC106 : KIA7812API
R478 150 1W
+20V IC107 : KIA7912PI
FRONT
K401 IC206 : NJM4565D
RELAY
IC301,401 : STK413-220A or
(L/R)
J401
STK413-020A
IC607 : NJM2279D
D323
R445 Rch
Q113,406 : 2SB1640
18K
Q114,412 : 2SC1740S(Q,R) or
D406 2SC2785(F,E)
Q301-306,317,318
Lch
: 2SC2878(B)
Q410
Q307,308,316,319,405
54
C441
: 2SA992(F,E)
4.0V
2200P Q309-315,401,404,
Cch
407-409 : 2SC1845(F,E)
R479 150 1W Q402 : 2SA1535A
+20V
Q403 : 2SC3944A
K402
19.9V
Q410,411 : UN4219 or
DTC113ZSA
D113 : RB441Q-40
CENTER D114-116,215,303,304,
/SW 308-310,313,315,323,
RELAY 403,404,406-408
D407
: 1SS133 or
Q411 HSS104A
D117 : S1ZB20(4101)
SUR-
55
D118 : MTZJ16(B) or
ROUND
4.0V RELAY HZS16N(B2)
D119,301,302,401,402,
: MTZJ15(B) or
R480 150 1W
+20V
HZS15N(B2)
K403
D120 : D2SBA20F03
D121,122 : D5SBA20F03
D305,306 : MTZJ11(B) or
HZS11N(B2)
D307,311,312,314,316
: MTZJ3.9(B) or
HZS3.9N(B2)
D408
D319,320 : MTZJ15(B) or
HZS15N(B2)
D602,603 : MTZJ5.6(B) or
HZS5.6N(B2)
J403
RSch
Q412
R443
LSch
10K
4.0V
SWch
C446 2200P
W307
R440
220K
R477 C444
W151 330 220P
R371 2.2K
(X09- ) (F/9)
WH119
4
W321
3
2
1
J205
W W
WH103
CN112
2
CN105
1
2 2
1
W397
1
AC120V 60Hz
VR616 (3/4)
VR-616