Kenwood KR-609, Service Manual

Page: 12 / 23

T K M O Q S L N P R
KRC-609,679R/RY,781R/789
L1 52mH
1
2
3
4
5
82
81
87
EXTRES GND
1
2
+
10u6.3
3
C224
4
330P
C222
5
10P
14
RDDA
RDCK
QUAL
16
OSC0
VREF
T57
13
OSC1
MPX
X3
VCC
OSEL
12
10P
C221
C223
6
7
8
TSEL FILOUT
ARI
11
10
TM
9
25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
51
52 53 54 55 56 57 58 59 60
61
62 63 64 65 66 67 68 69 70
71
72 73 74 75
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
SW 5V
DIMMER
ACC. DET
NC
MUTE
ANT
CON
P
CON
TEST
DIMCON/SC CON
P
MUTE
PRE MUTE
IC2 CLK
IC2 DA
T
A
P
STBY
P O
N
REMO
BEEP
NC
E VSS
E VDD
PLL
CLK
PLL
DA
T
A
AFS
FM+B
AM +B
PAN 5V
MC CLK/L CLK
MC DATA/L DATA S
SC DATA/L DATA L
C CLK
DATA H
DATA C
BU-DET
MTL
EQ-MUTE
MODE 3
SC REQ/KEY REQ
REQ C
R CLK
DOLBY
NC
MUSIC
IFC OUT
QUAL
R DATA
S METER
NOISE
SRT SW1
SRT SW2
F REEL
NC ILL
ON
NC NC VDD VSS NC TYPE 2 TYPE 1 TYPE 0 ST
TYPE
1
ST
TYPE
0
NC P
RESET
MC REQ/L
CE
NC NC F/R MSC A
V
CONT
A
VDD
A
VSS
A
VREF
PHONE R REEL
CH MUTE
CH CON
REQ H
CH RST
EXT AMP
RESET
XT1
XT2
REGC
X2
X1
VSS
VDD
CLK OUT
NC
MOTOR
MODE 2
MODE 1
NC
NC
SUB +
SUB -
NC
NC
NC
L10
470
∗
CP7 1K
R340 2.2K
R339 10K
R338 1K
R335 2.2K
R333 2.2K
C304 1000P
88
96
81
83
82
86
84
92
91
90
95
94
79
CP4 1K
CP5 1K
470
R359
∗ R330
69 68
65 64
∗
R320 100K
∗ R319 100K
1M
CP3 1K
X1 20MHz
X2
27P
C302
22P
C301
C303 1
29
30
26
27
28
42
46
47
43
R603 4.7K R602 4.7K
R312 10K R313 10K R131 47K R622 10K R621 10K
1 2
14 13
4 5
R301 1K
R604 100K
1
GND
4
3 2
IN
OUT
NC
1
C256
100K R289
SUB M -
SUB M +
GND
MAIN M
2 1 4 3
F REEL
MODE 1
MODE 2
SW 5V
MODE 3
7 6 5 8
ANODE R REEL
11 10 9
NC
12 2
1
4
3
6
5
8
7
9
11
10
12
13
∗
R376 1K
R374 470
R373 470
R372 1K
R371 470
R370 470
D GND
VDD
NC
REMO
P-RESET
DIMMER
L DATAL
L DATAS
RESET
L CE
L CLK
ILL GND
ILL+B
97
65
99
98
64
1K
R166
22K
R168
4.7uH
L3
R165
1K
22K
R167
4.7uH
L7
4
5
83
1
2
0.01
C166
4.7K
R170
1K
R169
93
23
16 15 12
9
+
C253
0.047F5.5
+
C252
47u6.3
4.7uH
L9
10K
R357
R345 100K
98
99
10 9 RESET
S.GND 1
2 D GND
VDD 1
REMO
NC
4
3
DIMMER
P- RESET
6
5
L DATAS
L DATAL
8
7
3
2
4
5
7
6
9
8
13 ILL+B
11 L CLK
LCE 10
ILL GND 12
14
12
11
13
S.GND 15
RDS OUT
AM IF OUT
S METER
AUDIO OUT
VDD 5V
NOISE OUT
DIG GND
SDA
SCL
IFC OUT
PLL + B
OSC GND
VT
FM ANT
OSC GND
OSC GND
W/N
OSC GND
AM + B
FM + B
AM ANT
RF GND
IF1 GND
IF1 + B
17
19
20
18
15
16
14
13
12
9
10
8
4
7
6
5
2
3
1
21
22
23
24
11
9
22
37
180
R411
R415 24K
C367 470P
1
+
33u50
10K VR1
C356
47u16
PB OUT
1
C359
0.01 1K
R409
2 1
38
39
40
PBTC 1
PB F IN 1
PB GND
PB R IN 1
PB FB 1
TCH 1
VCC
T
APE IN 1
C357
0.1
5 4 3
+
0.1
8 7 6
OUT
REF 1
LINE OUT
1
NC
R412
180
33u10
R413 24K
C363 470P
C362 470P
2
470P C366
3
4
5
R414
24K
C364
33u50
R416
24K
+
23 24 25 26 27 28 29 30
PB OUT
2
PB GND
C361
+
34
35
36
PB F IN 2
VCT
PB REF
31
32
33
PBTC 2 PB FB 2
PB R IN 2
GND T
APE IN 2
OUT
REF 2
TCH 2 LINE OUT
2
DIREF
C360
0.01
R410
1K
VR2
10K
R403
0.1
C358
0.1
TCL
1
10
MSTC
G1FB
G2FB
MSLPF
13
12
11
C351
0.033
C350
0.47
3
2
1
21
MUTE SW
NR SW
NC
MS OUT
17
16
15
14
MS
DR SW
TAPE SW
MS SW TCL
2
20
19
18
84
91
86
69
68
92
C365
4.7
R404
C354
20K
C355
R400
220K
R401 C352
33K 4700P
2.7K 0.47
C353 R402
15
+
C226
10u6.3
C225
0.01
C151
0.01
C155
0.47
C153
0.01
47K
R173
R171
1K
R172
4.7K
79
C170
0.01
17
R375 1K
R377 1K
10
MODE
CP12 470
R349 1K R352 1K
R306
R307
10
2.2K
2.2M
CP13 1K
R350 1K
17
W31
∗
W30
21
R605 100K
R315
R620 100K
2.2K
C251 0.01
W26
W27
W28
W29
R606 4.7K
R607 4.7K
R344 470
R343
∗
W2
∗
W1
R342
100K R348
R619 4.7K
R618 4.7K
R617 4.7K
R361 1K
R337 100K
R369 4.7K
∗
R615 100K
∗
R616 100K
∗
R322 100K
∗ R321 100K
∗
R324 100K
∗ R323 100K R326 100K R328 100K
47K ∗
R286
∗
R288
77 76 75 78
0.01
C380
470
R380
470
R381
0.01
C381
R613 100K
R614 100K
R611 47K
R612 47K
470
R386
0.01
C386
R608 100K
90
470
R385
0.01
C385
R609 100K
43
R610 100K
R387
C387
470
0.01
42 76
R197 120
75
2
1
74
90
3 4 1 2
SW 2
NC
SW 1 GND
77 78
31
97
31
31
20 19
93
25 24
Q87,89 Q86,88
Q92
Q90
4.7K
R218
47K
R217
Q18,45
47K
R198
4
3
10
∗
R347 1M
R221
10
87
80
∗
R346 100K
470
∗
R341
100K
4.7uH
L5
10u16
+
C190
Q95
0.01
C163
L DATAL
VDD
D GND
REMO
P- RESET
DIMMER
LCE
L DATAS
RESET
ILL GND
L CLK
ILL+B
1
2
3
4
5
6
7
8
9
10
11
12
SUB+
SUB-
MOT+B
MOT-G
MODE3
MOED1
MODE2
PON 5V
F REEL
ANODE
R REEL
NC
2
3
1 C
E
C
K
A
A C
K E
3
4
2
1
SW 2
SW 1
NC
GND
4.7uH
L4
BU5V
BU5V
BU5V
BU5V
+5V
+5V
+5V
+5V
SW5V
SW5V
SW5V
SW5V SW5V SW5V
SW5V
SW5V
A8V A8V A8V
A8V
A8V
A8V A8V
A8V
A8V
A8V
A8V
A8V
PON5V
PON5V
PON5V
PON5V
+B
+B
+B
+B
+B +B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+5V
+B
+5V
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
J4
Rch
Lch
Rch
Lch
ANT
REV
FWD
RDS
DECODER
D82
CN3
CN1
A1
Q89
Q87
Q86
Q88
Q92
Q90
GND LINE
+B LINE
SIGNAL LINE
J1
2/2
X13-
J1
L
CN4
R
CN5
Q95
∗
C
Q91
∗
B
∗
D81
PHONE
CN2
SYSTEM U-COM
DOLBY
FM + B
SW
SW
AM + B
IFC
BUFFER
COMPOSITE
OUTPUT BUFFER
MSTC
SW
RESET
Q45
Q18
PANEL
5V SW
IC1 :
IC2 : TDA7407D
IC4 : TA8263BH
IC10 : TC74HC02AF
IC11 : TDA7479D
IC13 : BA6219BFP-Y
IC15 :
IC16 : CXA2560Q
Q1-4 : DTC143TK
Q17,21,24,25,34,37,90,
91 : 2SC2412K
Q18,32,35,92 : DTC144EK
Q20,22 : 2SB1548(P)
Q23,29 : 2SA1037K
Q26,28,88,89 : 2SB1277(Q,R)
Q27,31,41 : DTC114YK
Q30,36,44,71 : DTA124EK
Q33 : 2SB1184
Q38,42 : 2SB1443
Q39 : DTA123JK
Q40,72,82,86,87,95
: DTC124EK
Q45 : 2SA1576A
SUPPLY
REEL
TAKEUP
REEL
PLAY HEAD
HD1
CM1
MAIN
M M
SUB
CM2
SUPPLY
TAKE UP
MODE SW
D2 : RD6.8MW
D3,21 : MA3062-M
D11-18 : AM01Z
D22 : MA3062WA
D31 : RM10ZLF
D32 : RB160L-40
D33 : MA4056(N)-M
D34 : MA8091-L
D35,38-40,44 : 1RS154-400
D36 : MA4068(N)-M
D37 : MA8068-M
D41,52,82 : DAN202K
D42 : MA3220-H
D43 : MA3056-M
D46 : MA3036-H
D49,57 : DAP202K
D53 : MA4110(N)-L
D81 : MA3047-M
S-80837ANNP
22K
22K
22K
22K
47K
47K
22K
22K
47K
47K
CME1 (D40-1147-05)
IC11
∗
IC1
IC15
KRC-509S/689 (K/M) (1/2)
A
(X16-118x-xx)
IC16
SRT MECHA.
(Ref. No. 762)
KRC-579R/RY (E) (1/2)
KRC-609,679R/RY,781R/789 (K/E/M)
KRC-V679R/RY (E) (1/2)
4.9V
0V
4.9V
4.9V
0V
4.9V
0V
0V
4.9V
4.9V 0V
4.9V
0V
4.9V
0V
4.9V
0V
4.9V
0V
4.9V
0V
0V
0V
4.9V
4.9V
0V
0V
4.9V
3.5V
0V
4.9V
4.9V
0V
0V
4.9V
5.0V
4.9V
0V
0V
4.9V
4.9V
0V
0V
4.9V
0V
4.9V
0-3.0V
0-4.0V
4.9V
0V
0V
4.9V
0V
4.9V
4.9V
0V
4.6V
0V
0V
4.9V
0V
4.9V
0 or 5.0V
0V
5.0V
0V or
4.1V
4.1V
0V
4.1V
4.1V
4.1V
0V
4.1V
0V
4.1V
4.1V
4.1V 4.1V 4.1V
0V
4.1V 4.1V 0.4V
4.1V
0.4V 8.3V 4.1V 4.1V
0V
4.9V
4.7V
0V
4.9V
0V
4.7V
0V
0.3V
4.1V
4.1V
2.4V
2.4V
0V
4.9V
4.9V
0V
0V
4.9V
0V
0V
4.9V
0V
4.9V
0V
4.9V
0V
0V
4.9V
4.9V
0V
4.9V
0V
0V or
5.0V
4.9V
0V
4.9V
0V
4.1V
32.768KHz
4.332MHz
CAUTION: For continued safety, replace safety critical components only with manufacturer's rec-
ommended parts (refer to parts list). indicates safety critical components. For continued protec-
tion against risk of fire, replace only with same type and rating fuse(s). To reduce the risk of elec-
tric shock, leakage-current or resistance measurements shall be carried out (exposed parts are
acceptably insulated from the supply circuit) before the appliance is returned to the customer.
DAN202K DAP202K
02CZ3.6-Z
TC74HC02AF TDA7479D
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299