Kenwood DV-5050M Service Manual page 46

CM CN
(X25-6440-10) (1/2)
1
P201
C210
0.01
CN301
SRCK 1 40
2
LRCLK 2 41
A OUT 0 3 45
A OUT 1 4 46
A OUT 2 5 47
5.1V
D +5V 6 +5V
EV GND 7
EV GND 8
EXTCK 9 9
X35-229- 10 10
CLK SEL
CN6
CLK 338 11 11
NRST 12 12
2/8
PHCO 13 13
A MUTE 14 14
B
SOO 15 15
R197 2.2K
BB-7
R196
SIO 16 SIO
1K
3
STBSP1 17 17
R181 2.2K
R180 1K
PROG SW 18
SCLKO 19 19
SO1 20 20
STBDAC1 21 21
SCLK1 22 22
STBDAC2 23 23
IEC OUT 24
D MIX 25 2
MP3CLK 26 26
MP3SW 27
R198 2.2K
R199
POWER 28 POWER
1K
SDO
4
CAUTION: For
continued safe-
IC204 : PCM1748E
ty, replace safe-
IC205 : PCM1602KY
ty critical com- IC206,207,216
: TC7SHU04FU
ponents only
IC208 : TC7WH34FU
IC209,221 : TC7WH157FU
with manufactur-
IC211-213 : TC9214AF
er's recom-
IC214,226 : TC74VHC08FT
IC215 : TC74VHCT00AFT
mended parts
IC217 : TC7WHU04FU
(refer to parts IC218,501 : TA7805S
IC219,602 : PQ1R33
list). indicates
IC222,223 : TC74HCT7007AF
safety critical IC224 : NJU3715G SCLKO
IC225 : PQ09DZ11
components.
IC230-236 : NJM4580ED
IC402 : MM1540AFBE
For continued
5
IC502 : TA79005S
protection
IC601 : NJM2123V
against risk of
Q201 : 2SB1375
fire, replace only Q202 : 2SD2012
Q203,225,226,402,403,406,
with same type
407,552,555,556,560,563,
564,568,571,572,576,
and rating
578,580 : 2SC4081(R,S)
fuse(s). To
Q204,227,553,557,561,565,
569,573 : 2SA1576A(R,S)
reduce the risk
Q205-208 : 2SC4213(B)
of electric shock, Q209,214-216
: DTA124EUA
leakage-current
Q210-213,217-219,224
: DTC124EUA
or resistance
Q220 : 2SC4177(L5,L6)
measurements
Q221 : 2SA1611(M5,M6)
Q401,404,405,408,501,
shall be carried
509,551,554,558,559,
6
out (exposed
562,566,567,570,574,
575,577,579
parts are
: DTC144EUA
acceptably insu- Q502,507,508,510
: DTA114TUA
lated from the
supply circuit) D201,202 : UDZ8.2B
D203,204 : KV1832E
before the appli-
D205,208-210
: MA111
ance is returned
D206,207,453,551,552
to the customer.
: DAN202U
D501-506 : U1BC44
X35-229-
SIGNAL LINE/
CN5
DATA LINE/
DIGITAL LINE
2/8
GND LINE
7
+B B LINE
A
B LINE
B
BG-4
CO CP
+3.3V
AUDIO CLK
IC206
1 5 3.3V
NC VCC
2 4
3
GND
R304
1M
IC209 3.3V
R305
1M R315
3.9
1 8
A VCC
X301
2 7
B ST
3 6
36.864MHz
Y SEL 12
4 5
GND Y
CLK SEL.
AUDIO CLK
(33.8688MHz
3.3V
IC207 /33.864MHz)
R312
1 5 3.9
NC VCC +3.3V
2 4
3.3V
3
+3.3V
GND
CF210
R307
1
1M
2
R308
3
1M
R311
4
22K
X302
33.8688MHz
IC208
BUFFER
27
+5V
SERIAL/
PARALLEL
CONVERTER
IC224
R373
LEVEL
100 12
34 DATA
SHIFT
(3.3V 5V)
R374 13
35 CLK
IC222
100
R375 14
1 14 5.1V 2 CS
17 VCC
100
13
15
15
10 RST
16
2
LPFSW
2
17
3 12
THRM
19
18
11
IW0
22
19
4 IW1
20
MUTE
5 10
20 21
MMOD1
9
22
34 26
VDD
6
5.1V
34
7 8
C332
GND 8
35
1000P
C371
35
1000P
+5V
10
LEVEL
SHIFT
(3.3V 5V)
5.1V
IC223
14 5.1V
1
VCC
14
13
10
2
12
3 12
21
11
12
1
4
15
10
5 2
C331
23
1000P
9
3
6
4
36
7 8
GND
CQ CR
CLK SEL.
+7.5V
(768FS/
MP3CLK)
3.3V
+3.3V
IC221
R319
3.9
8 3.3V
VCC
1
A
7
2 ST
+3.3V
B
6 W201
3
SEL
+5V
Y
4 5 5.0V
GND Y
DAC +5V
IC218
C211
4P
IN OUT
GND
3.3V
IC602
C607
100u10
+3.3V AVR
+
(CLOCK)
IC204
R342 100 1
BCK
R343 100 2
DATA
R344 100
3
5.1V
LRCK
4
D GND
R345
3.3V
1 5
VDD
R346
6
VCC
7
1
V OUT L
8
V OUT R
DAC (2ch) (MIX)
R194
1K 5.0V
+5V
+5V
37
37 RST
38
SCKI
39
R351
SCKO
100 40
40 BCK
11
R352
NC 41
41 LRCK
10 5.1V 100 42
NC +5V TEST
R358 1
43
VDD
9
NC
8
44
TEST
D GND
7
MP3SW R353 100 45
6 45 DATA1
GND
R354 100
46
5
46 DATA2
PROG/H
4
R355 100 47
FRNTH
47 DATA3
W204
3
BASS R356 48
ZEROA
2
R391
H2CH
10K
Q213
1
10K 10
SURH
Q212
DAC ZERO
DETECTOR SIGNAL
H2ch SIGNAL INVERTER
CONVERTER
L201
10uH
+5V +5V
+5V +5V
COAX IN
BUFFER
IC217
8
IC215
7
4.9V
6 1 14
VCC
2 13
5
3 12
11
4
R365 5 10
R366
10K
47 6 9
7 8
R367 GND
150K
COAX
COAX OUT OUT
BUFFER
CHANGE-OVER
CS CT
C214
7P
C216 R215 R219
33u35 2.4K 2.4K
+
R220
R216 2.4K
IC219
2.4K
DAC
+3.3V
C217 R217 R221
33u35 2.4K 2.4K
+
R341
R222
10K
R218 2.4K
2.4K
16 R347 120
SCK
15 R348 100
ML
R349 100
14
MC Q209,210
L.P.F. SWITCH CONT.
Q211
13 R350 100
MD
DAC
12
Q211
MD ZEROL/NA ZERO
11
DETECTOR Q209
ZEROR/ZEROA
R231
SIGNAL
1.5K
INVERTER Q205
C218
10 47u50
VCOM +
9 C245 R227 R229
A GND
10u50 470 1.5K
+
Q210
R237
Q207
1.5K
Q205-208 R232
15
LPF
1.5K Q206
SWITCH
C246 R228 R230
10u50 470 1.5K
+
R238
Q208
24
VCC3 1.5K
23
A GND3
22
SURROUND R
VCC4
21
A GND4 C247 R256 R262
20
IC205 33u35 2.4K 2.4K
NC
19 +
DAC A GND6
18 R264
VCC5
R258 2.4K
17
A GND
2.4K
16
NC
C224
15 47u50
V COM
+
14
V OUT1
13
BUFFER SURROUND L
V OUT2
FRONT C248 R257 R263
33u35 2.4K 2.4K
L
+
R265
R259 2.4K
2.4K
SW
+5V
C257 R268 R274
33u35 2.4K 2.4K
+
R276
R270 2.4K
2.4K
+5V
5.0V
OPT OUT BUFFER
IC216
BUFFER(ENTER/SW)
CENTER
1 5
NC VCC
C258 R269 R275
R379
2 4
33u35 2.4K 2.4K
12
3
220 +
Q220
GND
R277
R271 2.4K
C355 R369 R370
L8
0.1 180 22
2.4K
13
Q221
C511
1
R533
14
2.2
+5V
15
CU CV
+7.5V
R226 R328
7.6V 4.7 10
L.P.F.
+B +B
IC230 (1/2)
7.6V
R324
5 8
7 510
6
4 7.6V
R225
-7.7V
4.7
B
DMIX R
15
IC230 (2/2)
R323
3
1 510
2
-7.7V
DMIX L
13
R327
+7.5V
10
7.5V
FRONT R
R388
R381
1M IC231 7.6V 4.7
(1/2)
R242
R233 3 8
1 2.4K
2.2K 2
C241 4
390P C243
12P
-7.7V
15.9V
11
L.P.F.
R389
1M IC231
(2/2)
R243
R234
5
2.4K
7
6
2.2K
C242
390P C244
10P
FRONT L
7.6V
R267 7.6V
+B 9
4.7
IC233 (1/2)
7.5V
C290
3 8
1 33u35 Q214-219
2 7
+
AUDIO
4
SIGNAL
-7.7V R266
MUTE
4.7 CONT.
Q216
6
C285
100P
Q219
IC233 (2/2)
C291
5
33u35
7
6 5
+
7.5V
L.P.F.
+7.5V
7.6V R281 R613
7.6V
+B
4.7 4.7
IC234 (1/2)
R616
8
3
100
1
2 R610
100
4
R611
R280
-7.7V
C292
33u35 1K
4.7
L.P.F. 4
+
R612
C286
1K
100P
R615
100
-7.7V R614
IC234 (2/2)
C293
4.7
5
7 33u35
6 2
+
3