Kenwood DV-203 Service Manual page 34

AT AU AV
Q Q DVF-9010(J,M,M2,T,E) TYPE ONLY
3 7 6 3 1 5 1 5 0
PROCESSOR UNIT (X32-3670-00)
1
X25-
CN10
IC8 (1/6) INVERTER BUFFER(3.2V
1.5V 1 2 2.5V
1/3
IC8 (2/6) DIGITAL
1.1V 3 4 1.6V
A
IC8 (3/6)
1.4V 5 6 0.7V
+B
CN1
MCK 1
DATA 2
2
BCK 3
X25-
LRCK
CN9 4
DGND
5
R10
1/3 3.9
D+5V 6 +5V
1/4W 4.8V
44
NC 7 MMOD1
B 43
NC 8 MMOD0
42
EMPH 9 VSS
41
BIT1(IW1) 10 11 MCK1
40
+
BIT0(IW0) 11 10 MCK0
39
SF(MMOD1) 12 +B VDD
38
MUTE 13 1 VSS
C35 -1.8V 37
RESET
14 XO
10P
1.5V 36
CK -0.7V
35
+B VDD
34
+B ICTH
3
5.0V
+B
IC1
(6/6)
7
4.9V 13 12 0V
14
+5V
R6
100
IC1
T E
L 1 3 9 4 2 2 9 6 5 1 3
(2/6)
2.0V 3 4
4 R17 1M
C34 10P
1.9V
IC1 IC1
(1/6) (3/6)
C16
-1.0V 1 2 2.2V 100P 5
R1 1M R18 1M
C1 10P C33 10P
SWITCHING POWER SUPPLY (W02-2658- 5)
5
CN202
R611 T351
FLAC 1
15
FLAC 2
R353
1.2K
+
Q352
Q353
D711
CN201
D353
R355 100
14
13
X25- FL-35V 12
WH3
M+9V 11 +9V
6
D GND 10
1/3
D GND 9
D+5V 8 +5V
F
D+5V
7
D+3.3V +3.3V
6
D+3.3V 5
w w w
A+12V 4 +12V
A-12V 3
A+5V 2 +5V
A GND 1
12V
7
AW AX AY
5V)
5.1V IC8
0.4V MUTE
(4/6)
IC8 IC8 DRIVE
(6/6) (5/6)
14 Q2
13 12 11 10 9 8
7
+B +B
C28
330u10
+ R27
R32 1.5 10K
+B
1/4W
D2
1.7V 2.7V
IC1
(5/6)
+
C5 11 10
0.01
2.4V
R22 DIGITAL
2.2
+B
1/4W
4.6V
2.3V
12
VSS
13 IC5
NC
14
NC
IC2
15
(BOTTOM VIEW) NC
3.1V
16 24BIT 96kHz DAC
NC
DSP
17
D.R.I.V.E. VDD +B
18
DRON0 +B
2.4V
19
1.5V DRON1 +B
20
NT +B
C27
21
RND0 +B 10u16
22 C23
RND1 +B
100u10
4.6V
5.0V +
+B
+B
C12
330u10
+
R28 1.5
+5V +B
DIGITAL
1/4W
+B
4.6V
+5V
+
1.5V -1.1V
IC1 -1.0V
(4/6)
C17 R4
100P 9 8 100
IC3
R19 1M
24BIT
C18 10P
96kHz
DAC
1.8V
INVERTER BUFFER
R2
6 100
-0.6V
C11
4.6V 10u16
+
+B
DON'T REPAIR
L311 D311
T101
+9V +B
39uH
+
L411 D411
+5V +B
Q351
39uH
+ Q103
C118
L511 D511
0.01
+3.3V +B
22uH
L104
+ + + + + +
R108 R109
100K 100K
P211 Q101
12V AVR R116 C116 1/2W 1/2W
Q211 750mA L211
D211 270 0.01 L103
+12V +B
1W
R211 60V
Q212 Q102
560 R111
D104
4.7K
+9V +
R212
4.7K R112 R113
1.5K 470
L811
D811
+5V +B
+5V 39uH
+ + + +
+3.3V
+ + POWER ON/OFF
R222
+12V SW101
4.7K +
L101
18mH
R221
D101
x 560 a o
+5V
Q222
P221
750mA L221 D221
12V B
. i
Q221 60V
12V AVR
PC101
+
AZ BA BB
ADD
R65 59kHz LPF
2.2K
C53 R67
1000P 47
CN2
R55 4.22K
IC7
+12V +12V
R51 4.22K (1/2) 8
6 R69 R73
7 220 220 2 R75 C63
R61 4.22K 5 1 47 47u35
3 7 Lch
IC7 +
R57 4.22K 4
(2/2)
8
+12V
11.2V
6 GND
-11.2V
R54 4.22K
8 R74 C62
3
4 R68 R72 47 47u35
R50 4.22K 5 1
13 7 220 220 2 5 Rch
+
R60 4.22K 6
IC6 IC6
R56 4.22K
12 (2/2) (1/2)
C52 R66
1000P 47
12V 4 -12V
R64
2.2K 3 ZERO
2 NC
1 NC
IC1 : TC74VHCU04F
P1
IC2 : KAN06
IC3,5 : AD1855
IC6,7 : NJM4580E
IC8 : TC74HCT7007AFE
P2
Q2 : DTC124EUA or
E1
UN5212
D2 : DAP202U
Q Q
3 7
X14-482 X14-483
-A/4 -A/2
-WH1 -WH1
3/3 3/3
G
Q211 : 2SB1566
SIGNAL LINE
Q212 : 2SC1740S
GND LINE
Q221,351 : 2SD2395
+B +B LINE
Q222,353 : 2SA933S -B B LINE
+ Q352 : DTC114ES
D101 : S1WBA60
D103 : RD18FB2
D104 : MTZJ2.0B
D105,611 : 1SS270A
D108,110 : D1N60
D211,221 : 11EQS10
D231 : MTZJ5.6C
D232 : MTZJ30C
D311 : S2L20U
D321 : MTZJ15B
D353 : MTZJ39B
D411,811 : 21DQ06
D511 : D3S4M
D611 : 1SS270A
D711 : 10ELS2
D712 : MTZJ12A
PC101 : TLP721F
F101
2A 250V
CN101
(K) : AC120V 60Hz u 1 6 3
y
1 (Y,M) : AC110-120V/220-240V~
50/60Hz
2
(T,E) : AC230V~ 50Hz
(C) : AC220V~ 50Hz
DV-2070 (2/3)
DVF-9010 (2/3)
DVF-5070 (2/3)
DVF-K7010 (2/3)
DV-203 (2/3)
BC BD BE
8 9 2 4 9
2SA992 2SC2785 DTC114ES
2SC1845 DTC124ESA
2SA933S
2SC1740S
2SC2458
2SB1375 NJM4580E TA8409S
2SD2012
BA17805T DAP202U UN5212
UPC7805AHF DA204U
6 3 1 5 1 5 0 8 9
LC89170M
NJU3715G TL431CLP
ICP-N20 LC75712E
TC7SHU04FU
CAUTION: For continued safety, replace safety critical
components only with manufacturer's recommended parts
(refer to parts list). indicates safety critical components.
For continued protection against risk of fire, replace only
with same type and rating fuse(s). To reduce the risk of
m
electric shock, leakage-current or resistance measurements
shall be carried out (exposed parts are acceptably insulated
c o from the supply circuit) before the appliance is returned to
the customer.
.
Y22-7820-00
BF BG BH
8 2 9 9
2SC2714 2SC3311A
2SC4081
NJM4565M DAN202U
NJM4580ED
2SK246 TC74HCT7007AFE
TC74HC14AF
TC74VHCU04F
2 4 9 8 2 9 9
S-80740AL-A4 PST9128NR
The DC voltage is an actual reading measured with a high
impedance type voltmeter with a cassette loaded at
playback mode. The measurement value may vary
depending on the measuring instruments used or on the
product. Bias circuit DC voltage is measured while in the
record mode.
DV-203/2070/DVF-5010/9010/K7010