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K
L
Q Q
3 7 6 3 1 5 1 5 0
SW5V
BU5V
+B
+B
4.9V
0V
4.9V
0V
4.9V
4.9V
W26
26
0V
0V
26
CH MUTE
W27
27
27
CH CON
W28
28
31
28
REQ H
W29
4.9V
29
29
CH RST
0V
4.9V
0V
30
30
EXT AMP
4.9V
31
RESET
0V
C301
32
XT1
22P
C302
33
XT2
27P
C303 1
34
REGC
3.5V
X1 20MHz
35
X2
36
X1
0V
37
VSS
4.9V
38
+B
VDD
39
CLK OUT
40
NC
41
4.9V
MOTOR
0V
T E
R606 4.7K
42
L
1 3 9 4 2 2 9 6 5 1 3
42
MODE 2
R607 4.7K
4.9V
43
43
MODE 1
0V
44
NC
45
CP3 1K
NC
46
46
SUB +
47
4.9V
47
SUB -
0V or
0V
48
5.0V
NC
49
4.9V
NC
0V
50
NC
4.9V
+B
0 or 5.0V
D82
IC15
1
4
OUT
GND
5.0V
2
3
+B
IN
NC
0V
RESET
A8V
+B
SW5V
BU5V
+B
1
2
3
4
5
CN3
w w w
.
M
N
SW5V
BU5V
Q45
Q18,45
PANEL
5V SW
4.9V
0V
47K
Q18
47K
∗
R347 1M
4.9V
100
0V
PAN 5V
R344 470
99
4.9V
MC CLK/L CLK
99
∗
0V
4.9V
R346 100K
4.9V
0V
0V
98
R343
4.9V
MC DATA/L DATA S
98
0V
470
R342
∗
97
470
W2
SC DATA/L DATA L
4.9V
96
L10
0V
C CLK
96
95
DATA H
95
4.9V
94
0V
DATA C
94
93
93
BU-DET
4.9V
92
R619 4.7K
MTL
92
0V
R618 4.7K
91
EQ-MUTE
91
4.9V
R617 4.7K
90
MODE 3
90
0V
R361 1K
89
R345 100K
SC REQ/KEY REQ
∗
88
REQ C
∗
IC1
4.9V
R340 2.2K
R341
87
0V
R CLK
SYSTEM U-COM
4.6V
R339 10K
100K
86
0V
DOLBY
86
85
R337 100K
NC
4.9V
84
R369 4.7K
0V
MUSIC
84
4.9V
83
R338 1K
0V
IFC OUT
∗
83
R615 100K
∗
CP7 1K
82
QUAL
82
4.9V
81
0V
R DATA
81
∗
R616 100K
0-4.0V
R335 2.2K
80
4.9V
S METER
0V
C304 1000P
0V or
4.9V
5.0V
4.9V
79
0-3.0V
R333 2.2K
0V
4.9V
0V
NOISE
79
0V
4.9V
78
SRT SW1
4.9V
77
0V
SRT SW2
76
F REEL
PHONE
∗
D81
+B
R613 100K
R611 47K
R614 100K
R612 47K
C380
R380
0.01
470
C381
R381
0.01
470
+B
31
90
A8V
A8V
+B
SW5V
1 2
3 4
CN2
6
7
8
9
10
11
12
SW 1
1
GND
2
SW 2
3
NC
4
x
a o
y
i
O
P
8
SW5V
R221
+B
10
0V
9
8
C163
TSEL
FILOUT
0.01
10
7
TM
ARI
11
6
0V
EXTRES
GND
4.9V
12
5
4.9V
+B
VCC
OSEL
C224
330P
4
2.4V
MPX
C222
C223
13
3
2.4V
10u6.3
OSC1
VREF
10P
C221
14
4.9V
OSC0
10P
4.332MHz
2
0V
RDDA
4.9V
15
1
4.9V
0V
T57
QUAL
16
0V
RDCK
∗
C
IC11
RDS
DECODER
10
88
A8V
3
4
Q
Q
3
7
6
3
80
R402
C353
2.7K
0.47
4.1V
11
G2FB
R401
C352
4.1V
12
G1FB
33K
4700P
R400
C351
220K
0.033
C350
0.3V
13
MSTC
0.47
14
84
MS OUT
15
NC
Q95
C190
16
86
NR SW
10u16
+
17
Q95
91
MUTE SW
MSTC
18
92
TAPE SW
SW
19
68
DR SW
20
69
MS
MODE
4.7V
0V
+5V
+B
SRT MECHA.
(Ref. No. 762)
u 1 6 3
.
Manufacture under license from Dolby Laboratories.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories.
Q
R
L1 52mH
J4
2
4
9
9
8
ANT
A1
Q87,89
Q86,88
1
RF GND
FM + B
AM + B
2
SW
SW
FM ANT
3
+B
AM ANT
4
L3
OSC GND
Q89
R166
4.7uH
5
1K
FM + B
+B
6
Q87
+B
AM + B
7
OSC GND
22K
2
8
R168
OSC GND
22K
9
22K
W/N
10
OSC GND
R165
Q88
11
L4
VT
1K
4.7uH
Q86
22K
1
L5
R167
4.7uH
22K
22K
12
PLL + B
+B
CAUTION: For continued safety, replace safety critical
components only with manufacturer's recommended
parts (refer to parts list).
Q91
83
ponents. For continued protection against risk of fire,
Q92
replace only with same type and rating fuse(s). To
47K
13
IFC OUT
Q92
reduce the risk of electric shock, leakage-current or
47K
IFC
resistance measurements shall be carried out (exposed
79
BUFFER
parts are acceptably insulated from the supply circuit)
14
4
SDA
15
before the appliance is returned to the customer.
SCL
5
16
DIG GND
17
SW5V
VDD 5V
18
Q90
NOISE OUT
COMPOSITE
19
OUTPUT BUFFER
RDS OUT
20
AUDIO OUT
21
AM IF OUT
22
S METER
L7
Q90
4.7uH
+B
R169
23
IF1 + B
A8V
+B
1K
R170
24
∗
IF1 GND
4.7K
B
CN5
A8V
1
2
3
1
5
1
5
R409
0
C359
8
9
2
4
1K
0.01
4.1V
R411
C365
40
180
33u50
PB FB 1
39
4.1V
R415 24K
PB R IN 1
4.1V
38
0V
C367 470P
PB GND
CN4
37
4.1V
L
PB F IN 1
1
36
0V
R413 24K
4.9V
PB REF
0V
C361
C363 470P
4.1V
33u10
IC16
35
VCT
DOLBY
34
4.1V
4.7V
PB F IN 2
2
0V
33
0V
PB GND
3
4.9V
0V
4
R
32
4.1V
5
PB R IN 2
4.1V
C364
31
R412
33u50
PB FB 2
180
R410
C360
1K
0.01
CN1
VDD
+5V
13
12
D GND
NC
11
R377 1K
10
∗
10
REMO
+5V
R376 1K
+B
64
9
P-RESET
R375 1K
17
8
DIMMER
R374 470
97
7
L DATAL
R373 470
L DATAS
98
6
R372 1K
31
5
RESET
R371 470
65
4
L CE
R370 470
99
3
L CLK
ILL GND
KRC-509S/689 (K/M) (1/2)
2
KRC-579R/RY (E) (1/2)
ILL+B
+B
1
m
KRC-609,679R/RY,781R/789 (K/E/M)
KRC-V679R/RY (E) (1/2)
c o
S
T
IC1
:
D2
: RD6.8MW
IC2
: TDA7407D
D3,21
: MA3062-M
IC4
: TA8263BH
D11-18
: AM01Z
IC10
: TC74HC02AF
D22
: MA3062WA
IC11
: TDA7479D
D31
: RM10ZLF
2
9
9
IC13
: BA6219BFP-Y
D32
: RB160L-40
IC15
:
S-80837ANNP
D33
: MA4056(N)-M
IC16
: CXA2560Q
D34
: MA8091-L
D35,38-40,44
: 1RS154-400
Q1-4
: DTC143TK
D36
: MA4068(N)-M
Q17,21,24,25,34,37,90,
D37
: MA8068-M
91
: 2SC2412K
D41,52,82
: DAN202K
Q18,32,35,92
: DTC144EK
D42
: MA3220-H
Q20,22
: 2SB1548(P)
D43
: MA3056-M
Q23,29
: 2SA1037K
D46
: MA3036-H
Q26,28,88,89
: 2SB1277(Q,R)
D49,57
: DAP202K
Q27,31,41
: DTC114YK
D53
: MA4110(N)-L
Q30,36,44,71
: DTA124EK
D81
: MA3047-M
Q33
: 2SB1184
Q38,42
: 2SB1443
Q39
: DTA123JK
SIGNAL LINE
Q40,72,82,86,87,95
GND LINE
: DTC124EK
Q45
: 2SA1576A
+B
+B LINE
indicates safety critical com-
CME1 (D40-1147-05)
CM1
CM2
MAIN
SUB
M
M
1
SUB+
2
SUB-
3
MOT+B
4
MOT-G
5
MODE3
2
C
1
6
MOED1
7
MODE2
3
MODE SW
PON5V
8
PON 5V
9
F REEL
SUPPLY
SUPPLY
10
ANODE
REEL
K
E
11
R REEL
12
NC
A
C
PON5V
9
8
2
9
9
TAKE UP
K
E
A
C
PON5V
TAKEUP
REEL
PLAY HEAD
5
Lch
FWD
HD1
4
Rch
3
Rch
REV
2
Lch
1
(X16-118x-xx)
J1
15
S.GND
ILL+B
13
14
ILL+B
ILL GND 12
13
ILL GND
X13-
L CLK
11
12
L CLK
J1
LCE 10
11
LCE
2/2
RESET
9
10
RESET
L DATAS
8
9
L DATAS
L DATAL
7
8
L DATAL
A
DIMMER
6
7
DIMMER
P- RESET
5
6
P- RESET
REMO
4
5
REMO
NC
3
4
D GND
2
3
D GND
VDD 1
2
VDD
1
S.GND
KRC-579R/RY
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