Kenwood DPF-1010 Service Manual page 10

P Q
VDD
4.1V
VDD
IC2
4.0V
DSP
0V
RWC 64
63
WRQ
FSX 62
VDD
SBCK 61
SUBCODE
SEPARATE SFSY 60
Q CRC
59
PW
EFLG 58
57
SBSY
56
DOUT
DIGITAL
OUT
MUTER 55
R59
54 4.9V 18
RVDD VDD
RCHP 53
RCHN 52
+
51
RVSS
50
LVSS
49
LCHN
48
LCHP
4.9V
47
LVDD VDD
MUTEL 46 4.9V
C2F 45
ROMXA 44
8V
CK2 43
LRSY 42
ANTISHOCK USLRCK 41
INTERFACE
R341
10
+5V
+
ON: 1.7V
VDD
OFF: -7.8V
ON: -7.8V
OFF: -5.8V
ZD205
R211
10K Q203
-7.9V
+ +
+
+
+
-29.5V
D213
R214
29V
1 Q203
Q202
-29.0V -36.8V
MUTE
-36.5V
29V AVR CONTROLLER
+7.2V
R S
DPL-1 PWB
FL401
REPEAT
TRACK i
k
TRACK
l
NO.
PGM
l
P.C.
a a
b b
f f
g g
i
j
e c e c
d d
9G 8G 7G
CNP5
R334
330
R336 100K
46
R337 100K
45
R335
330
VDD
+8V
C109 R115
120P 12K
Lch
R101 R105 R109
MUTING
1.5V IC101
6.8K 47K 6.8K
(1/2)
2 8 C121 R119 R121
R103 R107 R111 1 22u25 330 330
6.8K 47K 6.8K 3
+
0V R125 R127
1K 1K
1.5V
Q101 Q103
OPE AMP
Q102 Q104
R126 R128
1.5V
0V
R104 R108 R112 1K 1K
6.8K 47K 6.8K 5 C122
7 22u25 R120 R122
6
+
330 330
R102 R106 R110 4 IC101
1.5V
(2/2)
6.8K 47K 6.8K ON: 1.7V
OFF: -7.8V
Rch
C110 R116
120P 12K
8V
R221 +7.2V AVR
+7.2V
2.2
12.0V
+B 12.8V
+5V AVR
R223
Q201
D210
1
5.0V IC203
1/2W
1 11.7V
OUT IN +
11.7V
3
GND
+
7.8V
2
IC201
8.0V
IC201
+8V AVR R203
2.2
OUT IN
+8V +B
3
12.8V
GND
+
2
D214-217
+ +
C224-227
3
0.01
GND
1 2 R205
8V B B
OUT IN
2.2
D212 -7.9V
-14.6V
IC202
9.6V
8V AVR
R224
10
T U
A B
i a a a
l i i
1 2 3 4 5
i SINGLE TIME
k
b j b j b
TOTAL TIME
j
l
6 7 8 9 10
j
c k c k c
11 12 13 14 15
a a a a
k
f f
g b g b d l d l d
l
16 17 18 19 20
e c e c
d d
6G 5G 4G 3G 2G 1G
D301
SYSTEM
CONTROL
JK2
SDATA
CNP401
SBUSY
RMC 29
SL16
28
+5V
D302 GND 27
F1 26 F1
XS8
F2 25 F2
a 24 A
23 B
b
c 22 C
d 21 D
JK3
R61
20 E
e
390 1
DIGITAL
f 19 F
R62 2 OUT
VDD
g 18 G
12 3
+
OPTICAL
i 17 I
j 16 J
15 K
k
l 14 L
DPF-2010
9G 13 9G
ONLY
8G 12 8G
7G 11 7G
R123
10 6G
6G
100
5G 9 5G
JK1 4G 8 4G
3G 7 3G
Lch
2G 6 2G
5 1G
1G
OUTPUT
KEY0 4 K0
KEY1 3 K1
Rch
2 K2
KEY2
KEY3 1 K3
R124
100
POWER PWB
C201
0.01
POWER SW
D201
SW501
ST.BY ON
D202
F501 PT501
CNP201 CNP501
T1AL
1 1
2 2
3 3
F502
CNS501
T1AL
4 4
5 5
6 6
7 7
R501
2.2
R502
2.2
DPF-1010/2010(SRC)
V W
DPL-2 PWB
EDIT PROGRAM
SW425 SW426
R426
6.8K
R425 CAUTION: For continued safety, replace safety critical
CHECK CLEAR
3.9K
components only with manufacturer's recommended parts
SW423 SW424
R424
(refer to parts list).
2.7K
R423 For continued protection against risk of fire, replace only
TIME P. SEARCH
1.8K with same type and rating fuse(s). To reduce the risk of
SW421 SW422
R422
electric shock,
1.5K
measurements shall be carried out (exposed parts are
acceptably insulated from the supply circuit) before the
appliance is returned to the customer.
CNS402
1 2
1 2
The DC voltage is an actual reading measured with a high
CNP402
impedance type voltmeter. The measurement value may
DPF-2010 ONLY
vary depending on the measuring instruments used or on
RMC401 the product. Refer to the voltage dur ing PLAY unless
REMOTE otherwise specified; The value shown in ( ) is the voltage
SENSOR
measured at the moment of STOP.
C401 C402
0.01 100u10
+5V
RANDOM OPE/CLO
SW407 SW420
2SC2878B
FF 7 1
SW406 SW413 SW419
FORWARD 0 4
SW405 SW412 SW418
NEXT 8 2
SW404 SW411 SW417
LAST +10 5
SW403 SW410 SW416
PLAY 9 3
SW402 SW409 SW415
STOP REPEAT 6
SW401 SW408 SW414
VOLTAGE
SELECTOR
SW502
J501
K501
K502
: AC110-120V/
(M)
220-240V~
50/60Hz
(X) : AC240V~ 50Hz
(T,E) : AC230V~ 50Hz
DPF-1010/1010E/2010/2010E
Y22-7980-50
X Y
indicates safety critical components.
leakage-current or resistance
LC78620E