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Kenwood KRC-666 Service Manual page 13

Cassette receiver
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K
KRC-666/G/R
QQ
3 7 63 1515 0
A
Q5
Q6
POWER
P-CON
ANTENNA
DETECTION
DETECTION
IC3
3
D23
14V
D24
0V
1
SW2
R22
R23
4.7K
4.7K
14V
D25
W104
0V
3
SW1
5
FM
REG5
7
AM
REG4
C7
C8
0.1
0.1
R15
R18
39K
39K
9
REG3
Q5
Q6
10.5V
0V
11
R16
R19
REG1
5.0V
13
REG2
100K
100K
A
VCC
R12
47K
Q4
C60
R69
C65
47u16
1K
0.01
+
C76
0.01
TE
L 13942296513
40
PBFB1
39
PBRIN1
5V
Lch
38
0V
0V
PBGND1
37
PBFIN1
IC9
5V
36
0V
0V
PBREF
EQUALIZER
C67
AMPLIFIER
33u10
35
VCT
+
34
PBFIN2
33
0V
PBGND2
Rch
32
4.1V
PBRIN2
31
PBFB2
R68
C66
1K
0.01
SUB MOTOR DRIVER
0V
Q53
IC11
6
5
0V
PGND
SGND
4.0V
7
4
5.0V
OUT2
IN2
74
8
3
5.0V
NC8
IN1
75
0V
9
2
OUT1
NC2
10
1
4.0V
NC10
VCC
www
4
5
6
7
8
16
X14-9180-2x (3/3)
L
IC1
IC2
IC3
IC4
IC6
IC7
IC8
IC9
IC11
Q1-3,5,6
Q4
Q51
5V
Q52
2.5V
R24
0V
10K
2
EN2
96
Q53
R25
4
Q54
EN3
97
10K
6
16.0V
Q101,201,351,352,355,
VP2
8
0V
356
GND
8V
0V
5V
Q151
10
0V
EN1
98
C28
Q152
100u16
12
14.0V
Q350
STCP
+
POWER
SUPPLY IC
D1
D2-4,309-311 : MA4068(N)-M
D22-25,51,252,254,256,258
D31
D52
D151-155,157,158,
160-162,301-304,307,308
R13
2.7K
D163
D164,165,403 : DA204U
SW 5V
D203,401,269-271
CN9
1
D251,253,255,257
2
3
R71
C69
180
33u10
+
TAPE MECHA (D40-1147)
CN5
1
1
2
2
3
3
4
4
5
5
SUB+
1
R70
C70
180
33u10
SUB-
2
+
MOT+B
3
MOT-G
4
MODE3
5
1
MOED1
6
SUB
MODE2
7
MOTOR
PON 5V
8
AVR
F REEL
9
ANODE
10
R REEL
11
NC
12
9
10 11
12
x
ao
.
i
M
FRONT L
: MN101C49HNA
: TDA7407D
: TDA3682ST
FRONT R
:
: HD74HC27FP
ANT CONT
: TDA7479AD
: PST3435UL
P. CON
: CXA2560Q
: LB1930M
ACC
: 2SC4081
GND
: 2SA1036K
: 2SB1443
: DTC114EUA or
KRC402 or
UN5211
: 2SC5103
: DTC124EUA or
KRC403 or
UN5212
: DTC143TUA or
KRC410 or
UN5216
: DTA114YUA or
ANT CONT
KRA307 or
UN5114
: 2SA1576A
: DTA124EUA or
KRA303 or
UN5112
: 1N5393G-M6
: AM01Z
:
HZS5B1
: M4043-M
: MA4062-L
: MA8062
: 1SS133
P.CON
: S1J
(X14-918X-XX)
Q Q
3
6 7
MODEL NAME
KRC-694
KRC-694Y
KRC-594/V
KRC-594Y/YV
KRC-766
KRC-666R
KRC-666/G
Lch
R31,
UNIT
R32
No.
33
FWD
2-70
YES
22K
2-71
YES
22K
Rch
0-21
NO
100K
PLAY
0-22
YES
22K
Rch
0-23
NO
100K
REV
Lch
CN1
CM2
CM1
ESD-GND 18
SUB
MAIN
L-CE 17
M
M
V-DATA
L-CLK
L-DATAL
L-DATAS
FLIP-DET
2
C
V-CLK
(DIMMER)
3
EJECT-ILL
MODE SW
VOL-B 9
SUPPLY
SUPPLY
VOL-A
REEL
E
K
EJECT
RESET 6
C
A
REMO
ILL+B
ILL-GND 3
TAKE UP
PANEL-5V
E
K
D-GND 1
C
A
TAKEUP
REEL
u163
y
N
2 9
9 4
8
WHT
GRN
8 9
REAR L
WHT/BLK
GRN/BLK
7 10
GRY/BLK
VIOL/BLK
6 11
REAR R
GRY
VIOL
5 12
BLU
4 13
BLU/WHT
3 14
RED
2 15
BLK
YEL
1 16
DC CORD
(E30-4784-05) : KRC-766/666/666G
WHT
GRN
FL+
8
9
RL+
WHT/BLK
GRN/BLK
FL-
7
10
RL-
GRY/BLK
VIOL/BLK
FR-
6
11
RR-
GRY
VIOL
FR+
5
12
RR+
P CONT
BLU/WHT
4
13
BLU/WHT
BRN
TEL MUTE
3
14
RED
2
15
BLK
YEL
1
16
2
4
6
8
A
1
3
5
7
2
4
6
8
B
1
3
5
7
DC CORD
(E30-4790-05)
:
KRC-594/Y/V/YV
KRC-694/Y
KRC-666R
1 3
1 5
0 5
8
2 9
UNIT
A
B
D
C
E
A1
C31 C164
No.
2-70
NO
YES
NO
YES
X86-3722-70
YES
NO
2-71
NO
YES
NO
YES
X86-3722-70
YES YES
0-21
YES
NO
YES
NO
X86-3720-11
NO
NO
0-22
NO
NO
NO
YES
X86-3722-70
YES YES
0-23 YES
NO
NO
NO
X86-3720-11
NO
YES
R259
R411
R412
R416
R417
R420
R421
IC4
W103
-262
10K
YES
NO
YES
NO
NO
YES
TA8263BH
10K
YES
NO
NO
YES
NO
YES
TA8263BH
22K
YES
NO
YES
NO
YES
NO
TA8273H
22K
YES
NO
NO
YES
YES
NO
TA8273H
22K
NO
YES
NO
YES
YES
NO
TA8273H
(X89-2570-11)
J1
1
ESD-GND
R1 1K
17
12
2
FLIP-DET
R2 470
6
3
RESET
16
16
8
4
VOL-A
R3 470
15
15
5
ILL-GND
R4 470
14
14
9
6
VOL-B
R5 470
16
7
V-DATA
13
13
8
ILL+B
R6 1K
12
12
V-CLK
11
9
R7 1K
(DIMMER)
11
11
13
10
L-DATAS
R8 470
10
5
11
REMO
R9 470
9
15
12
L-CLK
R10 470
13
PANEL-5V
8
8
17
14
L-CE
R11 1K
7
15
D-GND
R12 1K
6
14
16
L-DATAL
R13 1K
5
5
4
2
EJECT
SW
C1
0.01
m
S1
KRC-666/G/R (1/2)
co
.
O
2 8
9 9
1
B.UP
2
3
9 4
2 8
9 9
D31
YES
4
YES
NO
YES
NO
W104
YES
NO
YES
NO
NO
YES
YES
NO
NO
YES
5
X16-
J1
2/2
A
6
7

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