Kenwood DV-4050-B Service Manual page 8

A B
1
PICK UP
2
(X13-7770-10)
CN2 CN1
GND (LD)
GND (LD) 1 1
L1
LD
LD 2 2
GND
GND 3 3
L2
VCC+2V
VCC+2V 4 +B +B 4
L3
LDMON
LDMON 5 5
L4
VCC+5V
VCC+5V 6 +B +B 6
L5
TE4
TE4 7 7
L6
FE1
FE1 8 8
L7
TE2
TE2 9 9
3 L8
TE3
TE3 10 10
L9
FE2
FE2 11 11
L10
TE1
TE1 12 12
L11 VCC+5V
VCC+5V 13 +B +B 13
L12
SRF1
SRF1 14 14
GND
GND 15 15
L13
VREF2.2
VREF2.2 16 16
L14
VCC+5V
VCC+5V 17 +B +B 17
L15
T-
T- 18 18
L16
F-
F- 19 19
L17
T+
T+ 20 20
L18
F+
F+ 21 21
4
(W04-0013-05)
TRAY
+B
D502
M
5 6
5
4
3
2
+B 1
FC502
TRAY
FC503
3
2
1
D501
6
IC501 : BA6247N
D501 : GL380
D502 : PSGGP1S53V
D551 : SG-206S
7
C D
(X25-6380-10)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
(W02-2756-05)
FP2501
PS4201
14
13
12
11
10
9
8
FP5201 7
1
6
CN2
2 5
AGND 14
4
3 AGND 13
3
AMUT 12
4 2
DSPCLK 11
1
5
PS3201
6
1
ZFLAG 10
7 2
DGND 9
3
8
4
Replace with new one only if defective
9 5
6 AGND 8
10
7 STATUS 7
11 8
9
12
MIXL 6
10
13 11 CMD 5
12 AGND 4
14
13
15
14
16
15
16 DGND 3
17
17
18
18
MIXR 2
19 AUDIO
19
1
DIGITAL
20
20
21
22
21
PS6201
10 9 8 7 6 5 4 3 2 1 CN3
MGND 14
POS SENCEI 13
MECHA FG 12
DSENS VCC 11
PHOTVCC 10
(W04-0013-05)
NC 9
MECHA-VR 8
TRAY
MVCC 7
TRAY MOTOR DRIVER
TRM- 6
0.6V
RM+ 5
IC501
TM+ 4
MDRV-OUT1 3
CN501
MDRV-OUT2 2
FC502
14 P.GND
GND 1
6 13 LH+
5 12 LH-
CN4
4 11 LOAD
OPEN SW 1
3 10 TURN
GND 2
2 9 DIREC
CLOSE SW 3
8.3V
1 +8.5V 8 +8.5V
DSENS VCC 4
7 VREF
MTR- 5
0.6V
6 P.GND
+8.5V 5 +8.5V
MTR+ 6
4 LED
FC503
D501
0.6V
3 3 SPEED
0.6V
2 POSITION CN5
2 1 D.GND
NC 1
1
NC 2
VGND 3
VGND 4
MECHA
M551
CN551
Cb 5
M
6 LH+ NC 6
VGND 7
5 LH-
Cr 8
+B 4 LED
Y 9
3 UP/DOWN
D551
VGND 10
2 DGND
VGND 11
1 OPEN
C 12
M+9V 13
S551
AGND 14
MGND 15
A+5V 16
D+5V 17
DGND 18
DGND 19
D+2.5V 20
D+2.5V 21
DGND 22
E F
B A
WH2 WH1
12 11 10 9 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1
5.0V
Q201
35V
12.0V
12
Q113,114
DSP CLK SIGNAL
(3.3V
10
C101
47u35
+
4
12.0V
Q100
SWITCHING
(9V 6.8V)
-11.9V
D10
+9V
8.3V
R157 0.6V
220
47u35
D11
18
19
Q100
5.8V
VCC
VCC
4.8V
5.1V
VCC
12
11
10
3
2
12.0V
9
+12V
8
1.2V
VCC
3
2
-11.9V
C22
5P
D1 D2 D3
D4 D5 D6
R1 100
3.2V
+3.3V
+2.5V
AVR
IC5
9.1V
1
+9V
VIN
2
VOUT
3
GND
5.1V
+5V 4 R116
5.1V ADJS
+5V 390
+2.5V +2.5V
G H
CN1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
Q118
24 -29.0V
-33.9V
Q200
D200
23
C202 R201
100P 2.2K
-29.8V
35V 35V
+2.5V
5.0V
+5V +5V
Q200 Q118
VOLTAGE SIGNAL
3.6V
CONVERTER INVERTER
(-35V -29V) (P MUTE)
+3.3V +3.3V
3.2V Q113 Q115
3.7V 2.4V
Q114 Q116 Q115,116
0.6V 0.8V
STATUS SIGNAL
5V) (3.3V 5V)
2.7V
11
+12V +12V
+5V +5V
IC1
IC1(1/2)
R103 R104 MIX L
3
1
6.2K 6.2K 2
8
R107
C14
8.2K
33016
C119
+
120P
+12V +12V
C120
100P
12V 12V
R108
8.2K
6
C102 R105 R106
7
6.2K 6.2K 5
+
4
IC1(2/2)
Q22
BUFFER
(C SIGNAL)
R114
47K
C110 IC2
0.033
MIX R R117
27K
8
R113 R118 C114
6
47K 56K 0.01
7
5
IC2
IC2
(2/2)
C40 R61
(1/2)
2
1 0.047 100
3
4
Q22
12.0V
C118
120P
+5.5V
-11.9V
12V 12V
5.0V
BUFFER
IC8 IC9 (Y SIGNAL)
-5.0V
-5.5V
+5.5V -5.5V
AVR AVR
Q6
OUTPUT
DRIVER
C29
100u16 (Cb SIGNAL)
4.7V
+
R2 2.7K
4.7V
+5.5V +5.5V +5.5V
Cr LEVEL Q1-5
R57 Q34 Q4 R12
ADJUSTMENT
47 100
BUFFER
(Cb SIGNAL)
1.0V C3 5P
1.6V
L1 L2
R3 Q2 Q3 R7 C5 R10
560 6.8uH 15uH 820 47u25 100
+
Q1 Q5
-4.8V
-5.5V -5.5V
I J
R173 R120
10K 3.9
5.0V 5.0V
RESET IC
IC4
IC6
2 INPUTS
R155 AND GATE
5.0V
4.7K 1
VOUT
+12V
2
IC4
VCC
2.5V 3
GND
1 14
VCC
2 13
3 12
4 11 5.0V
5
10
Q117
5.1V 6 9
7 8 0V
Q117 GND
SIGNAL
INVERTER
(A MUTE)
10
+12V
5.1V
Q102,104
MUTE
Q102
(SW)
12V
-11.9V
Q33
Q23-25
C LEVEL
AMP
ADJUSTMENT
(C SIGNAL)
4.7V
+5.5V +5.5V
R59
Q25
Q33
47
C43
Q26
5P
R65 L7 L8 R69 R71
Q23 Q24
560 6.8uH 15uH 1.2K 100
-4.8V
5.5V
C153 100u10
+
+5.5V
1.2V
Y LEVEL
R38
Q32
ADJUSTMENT
47
R40 C33 5P 0.2V
Q15 1.0V 0.2V
100
1.7V
R42 L5 L6
Q16 Q17
560 6.8uH 22uH
-0.5V
-5.5V
Q7 Q35 Q16-18
BUFFER Cb LEVEL AMP
(Cr SIGNAL) ADJUSTMENT (Y SIGNAL)
+5.5V
4.7V
R90
Q6
47 Q35
C8
0V
5P
1.0V
1.6V
L3 L4
R21 R23 Q8 Q9
100 560 6.8uH 15uH
Q7
-4.8V
-5.5V -5.5V