Kenwood DMC-J3 Service Manual page 13

F G
IC7
DSP
12
4
SHOCK RESISTANT
R55
MEMORY CONTROLLER
100K 1.3V 51
C27
0.47 0V 52 COMP
2.6V 53
+B +B AVDD
0.3V 54
C29
4700P 0V 55
EFM/ACIRC
56 DECODER
AVSS
57
R52 R53
1K 3.3K 0V 58
1.2V
59
0V 60
PLL
C31 R50
0.015 150 2.6V 61
2.6V 62
( )
62
0V 63
( 63 )
0.8V 64
( )
64
1.2V 65
( )
65
0.7V 66
(
66 )
1.3V 67
68
2.6V 69
+B +B AVDD
ADIP
70 DECODER
71
72
AVSS
2.1V 73
0V 74
SERVO
75
DSP
AUTO PWM
SEQUENCER GENERATOR
2.6V
+B
+B +B +B
+B
+B
+B
2.7V
2.8V
0V
0V
0.9V
Q13 Q8 R12
2.6V
0V 1.2K
1.9V D5
0V
+B
X1 12MHz
Q17
10
L3 L1
C1 11
Q1
10uH 68uH
10u10
+B +B +B 0V 12
2.4V 6.3V 0V 13
0V 14
6.1V
6.3V
0V 15
D2
16
17
IC1
0V 18
0V 19
2.8V 20
+
0V
Q2
1.8V
DC-DC
R71
CONVERTER
7.5K
+B
+B
H I
2.6V
+B +B +B
C26
22u4
25
ATRAC
24
NC
23 2.6V
22
DIGITAL
AUDIO I/F
21
DAC
20
TST1
19
4
DAVSS
1.1V
18
X2
R47 22.58MHz
17 1.1V 470
OSC
LPF
CELL
16 2.5V
15 0V
14 R63
DAVDD +B +B
+ 27
13
S
12
TST2 +B IC8
11 2.6V
SUBCODE
C24
74
PROCESSOR 0.01 1
VCC GND
+B
10 2.6V
2.6V 2
2 ( )
47 DQ1 DQ4
0V
9
2.6V 3
78 ( )
46 DQ2 DQ3
2.0V
8
2.9V 4
BLOCK 79 R49 (
CPU 45 ) WE CAS
7 2.7V 100K
I/F 2.5V 5
( 44 ) RAS OE
2.5V 6
1 ( )
39 A11 D9
2.5V
6 2.5V 7
( )
33 A10 D8
1.0V 8
76 ( 73 )
( 32 ) A0 D7
2.8V
5 1.0V 9
80 CP4 ( )
31 A1 D6
100Kx2
4 2.5V 10
( )
30 A2 D5
R48
BLOCK 3 2.5V 11
(
29 ) A3 A4
SPINDLE MONITOR
100K
2 12
SERVO CONTROL
+B VCC GND
2.6V
1
75
16M DRAM
SHOCK PROOF
C32 1
0V
+B
+B
+B
R29
+B
470K
R28
470K
C21 R31
22u4 100K
1.8V
+
1.6V
2.3V C9 0.22
60
1 BATT+
XLAT
C8 0.22
2
XRST 59 0.9V
2.8V
BATT-
3
NC 58 1.9V
4 ADP
LDON C20 R32
5
BEEP 57 2.8V 0.01 10K
KEY1
6
NC C19
7
RESET 2.8V 220P
2.8V 56
8 KEY0
2.8V
VDD 55 R33
VDD +B
54 1.1V 10K
9 EPDO
X2
0V
53
EPDI
IC5
0V
52
EPCS
X1 1.3V
u-COM 51 0V
LSD 51
50
VSS
NC
2.8V
XSTBY 49
LSCK 49
48 0V
CTL
EPSK
47
PASS
NC
SP 46
TEST
NC 45
VSS
44
NC
NC
2.8V 0V
CHROK 43
TEST0
CHG 42
TEST1
0V
41
SP
NC
0V
CP7
100Kx2
( 18 )
+B
R72
1K
+B
J K
C49
1 0V
Q11
2.6V
+B +B Q11
D9 2.6V 2.0V HEADPHONES
R70
100 AMP
ON/OFF
+
+B
R100 C100 1
10K IC6
BEEP
SIGNAL
2.1V 1
PSW
Q6
1.1V
0V
1.1V 2
IN1
Q9
2.6V
3
PREG
1.1V
0V
R101 C101
4
IN2
10K 1 1.1V 5
2.8V Q10
REF
+B
2.8V
+
HEADPHONES
AMP
W2 W1 W3
R39
220
L7
( )
23
L8
24 +B
23 2.6V
49
22 2.6V
48
21 2.2V
42
20 2.5V
41
19 2.2V
43
18 2.5V
38
17 1.1V
37
DESTINATION R28,
16 1.2V UNIT No. R29
COUNTRY ABB. 108,109
36
15 1.5V JAPAN J 0-00 YES NO
35
U.S.A. K
14 1.2V
34 EUROPE E
2-71 NO YES
13 U.K. T
GENERAL MARKET M
D6
(X27-1690-00)
FLAT CABLE ASS'Y
CN2
(E35-2150-03)
( )
18 15 CN1
15 8
+B
8
14 7
14 7
13 6
+B 13 +B 6 +B
12 5
+B 12 +B 5 +B
11 4
11 4
D4 10 3
10 3
9 2
9 2
8 1
+B
8 1
S1
LID SW
R58
22K
7
7
6
6
R67
220K
5
+B 5 +B
4 2.8V
( )
49 4
3 2.8V
( )
51 3
2 2.8V 9
( )
22 2 CS
1 2.8V 10
( )
21 1 CD
11
(
11 ) COM1
IC1
12
( 12 ) COM2
LCD
13
( )
13 COM3 DRIVER
14
( )
14 COM4
15
( 15 ) SEG1
16
( )
16 SEG2
IC10
IC1 : BU9729K
EEPROM
+B
L M
2SD2153
1.6V
Q16
MUTE
CONTROLLER
CP8
100K 2
L6
L5
PST9123NR
R46
10 1.6V 10K
MUTE C106 R108
100u4 2.2
9 1.1V
OUT1
+
H. P.
OUT
L4 J1
8
PWG
Rch
7 1.1V + C107 R109
OUT2 Lch
6 2.1V 100u4 2.2
GND
VCC +B
DATA
+B VDD
KEY
L10
GND
W4
TC74AC04FT
L9
+B
L5-10 W1-4
NO YES
AK93C45AV
CXA2523AR
YES NO MB3800PFV
Q1 : DTC114TUA
D1 : RB411D
D1
AC ADAPTOR : 5.1V
J1 CAR BATTERY
+B +B ADAPTOR : 4.0V
EXTERIOR
SW
BATTERY CASE : 4.5V
GND
DTC114YUA
2SA1362
+B
1.2V
2.8V
(FULL)
2SA1576
P2
0V
HOLD
2SB970
S2 Q1
ON
2SC4081
P1
OFF
CHARGER
DETECTOR
R1 R2 R3 R4 R5
2.7K 3.0K 4.3K 8.2K 18K
CAUTION: For continued safety, replace safety critical
components only with manufacturer's recommended parts
(refer to parts list).
For continued protection against risk of fire, replace only
with same type and rating fuse(s). To reduce the risk of
32 o electric shock, leakage-current or resistance measurements
SEG18
HOLD
31
shall be carried out (exposed parts are acceptably insulated
SEG17
p
30 a h
SEG16
from the supply circuit) before the appliance is returned to
29
SEG15
b f i m
q
g n the customer.
28
SEG14
27
SEG13
c e j l r
26 d k
SEG12
25
SEG11
The DC voltage is an actual reading measured with a high
impedance type voltmeter. The measurement value may
vary depending on the measuring instruments used or on
the product. Refer to the voltage during RECORDABLE MD
PLAY unless otherwise specified; The value shown in ( ) is
DMC-J3
the voltage measured at the moment of STOP. The voltage
followed by (REC) refers to the value during MD
RECORDING.
Y22-7470-00
N O
TC74AC04FS
2SD2351
LA4534M
DA204U
XC6375A231PR
indicates safety critical components.
DMC-J3