Kenwood KDC-C719/C719Y Service Manual page 11

K
DD
C15
0.1
C300
22
C301
0.1
5.0V
V 2.5V
IC1
SERVO IC
2.5V
0.1V
2.5V 0V
5.0V 5V 2.8V
0V
2.5V
R18 R19
10K 33K
EFM
L2
600
4
SP+ SP- T- T+
F+
R21
12K
Q31
C21
680P
C55
10
VIN
SW
SERVO
Q9
5V
L
6
R93
220K
APC
IOP+ IOP- LD
D16
Q1
R8
10
C2
5.0V
10
D1
100
AVDD3
C206
5.0V
PN 0.1
0V R15
99
PN
100K
98 5.0V
LD (LD)
97 0V
PD
96 0V
2.5V
AGND3
95 C4
TEC
1500P
94
TE2 TE2
2.5V
93
TEO TE0
92
TE-
91
2.5V FEO FE0
90
FE-
89 2.5V
REFOUT
88 5.0V
AVDD2
87 2.5V (E)
E E
86 2.6V (F)
C3
F F
470P
85 (C)
D C
5
84 (A)
2.5V B A
83 (D)
C D
82 (B)
A B
81 0V
AGND2
80 2.3V
RF-
R16 C8
79
EQ1
3.2V
78
5.6K 15P
EQ2
1.8V
77
RFO
C9
76
AGCI RF0
0.22
3.2V
1.8V
ASY
AGCO
GND
SA5V
3
F- SL- SL+ ELVD+ ELVD-
5.0V
2.5V
4.3V
D24
D23
SGND
R67
120K
SP/LOD-
SP/LOD+
SA5V
M
CN1 CN1
R11 5.1K
A A
A 1 1
R12 5.1K
C C
C 2 2
R13 5.1K
B B
B 3 3
R14 5.1K
D D
5 D 4 4
GND
5 5
LD
6 6
PD PD
7 7
R4 VR VR
8 8
220
VC VC
9 9
VCC
10 10
R5
47K
F F
F 11 11
R7
E E
E 12 12
47K
F+
F+ 13 13
T+
T+ 14 14
T-
T- 15 15
F-
F- 16 16
4
SP-
SP- 17 17
SP+
SP+ 18 18
SL-
SL- 19 19
6
SL+
SL+ 20 20
LOESW
R72
100
LOESW
27 21 21
MGND
22 22
LIMSW
R73
LIMSW
28 23 23
100
AMUTE
35
Q30
ECCENTRIC
DISC SW
C23
4.7
C205
0.1
C19
2.2
(X92- )
R854
3 1/2W
4
ELEVATOR
ELV+
R855 M4
3 1/2W
M
R856
3 1/2W
R857
3 1/2W
ELV-
CAUTION : For continued safety, replace safety
critical components only with manufacturer's
recommended parts (refer to parts list).
duce the risk of electric 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.
VCC
• DC voltages are as measured with a high
KDC-C719/C719Y, KDC-C719/G4
N
KDC-C719/C719Y
KDC-C719/G4
(X16-3390-00)
TP1
TP2
TP3
CN2
TP4 1 VCC
2 VC
R2
TP5
3 GND
0
R1
TP6
4 LD
0
TP7
TP8
5 VR
6 PD
TP9
7 C+D
TP10
8
F
9 B
TP11
10 A
TP12
11 E
12 GND
TP13
13 F+
TP14
14 T+
TP15
15 T-
TP16
16 F-
TP17
TP18
TP19
TP20
TP21
TP22
TP23
S2 S1
LOE SW LIM SW
M2 M1
M M
SLED SPINDLE
(X32- )
IC1 : UPD63711AGC-A
IC4 : KIA78L05F-P
IC5 : LA6576-E
∗
IC7 :
IC8 : W05-1306-00
IC9 : S-80830CNNB-G
Q1 : 2SB0970
Q4,8 : DTA124EK
Q5 : DTA124EUA
Q6,7 : DTC343TK
Q9,21 : 2SB1202-E
Q10 : 2SB1295-E
Q11,20 : DTC124EK
Q13,18,19,31 : DTC124EUA
Q14 : DTA143EUA
Q16,22 : 2SC4081
Q17 : DTA143EK
Q30 : DTC114YUA
D1,15 : DAP202K
D3,4,7 : UDZS5.6B
D5 : MAZS0750M
D8 : MAZS0620M
D9,10 : M1F60-5063
D11 : 1SR154-400
D12 : DA204U
D14 : MAZS0910M
D16 : DAP202U
D21,22 : DAN202K
D23,24 : DAN202U
(X92- )
Q32 : 2SB1565(E,F)
SIGNAL LINE
GND LINE
B LINE
Indicates safety critical components. To re-
impedance voltmeter. Values may vary
slightly due to variations between individual
instruments or/and units.
X32-5810-00 (3/3), X16-3390-00 (1/1)
O
1
DPU1
OPTICAL
2
PICKUP
3
4
5
6
7
11