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KD-LH3150
JVC KD-LH3150 Service Manual
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KD-LH3150, KD-LH310
0
1-50 (No.49838)
4.23
TC94A20F-008 (IC652
) : Audio di
gital processor with DAC and SRAM
•
Pin layout & Block diagram
SRAM I/F
Po2/A5
Po3/A6
VDDT
Po4/A7
Po5/A8
Po6/A9
Po7
VSS
IRQ/REQ/A10R
VDDM(SRAM)
Fi0/ /OE
Fi1/ /CAS
VSSM(SRAM)
Pi0/io0
Pi1/io1
VSS
Po1/A4
Po0/A3
TXo
TESTP
VSSR
VRAR
Ro
VDAR
VDAL
Lo
VRAL
VSSL
VSS
ST
ANDBY
VDD
/LRCKiB/A2
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
Pi2/io2
Pi3/io3
Pi4/CLCK/io4
VDD
Pi5/DA
T
A/io5
TST
iN/SFSY/io6
Fi2/SBSY/io7
VSSP
PDo
VCoi
VDDP
CKi/CKo/Po6/SBOK
VDDX
Xi
Xo
VSSX
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
Interrupt
Control
Timer
Flag
General
Output Port
Address Calc.
2sets
X-Pointer
register
Y
-Pointer
register
C-Pointer
register
Bus
Switch
ERAM
2k word
CROM
4k word
*7
YRAM
4k word
XRAM
4k word
X-Bus
Y
-Bus
PRAM
256word
Program
Control
PROM
4k*3
=12kword
40bit
Instruction
Decoder
Microcom. I/F
Audio. I/F
round & limit
round & limit
MAC
ALU
A0
A1
A2
A3
MX
MY
MZ
AX
A
Y
register
X0 - X1 - X2
Y0 - Y1 - Y2
I-Bus
DAC
DAC
Timing
Generator
SubQ
I/F
VC0
General
Input Port
BCKiB/A1
SDi1/A0
LRCKiA
BCKiA
SDi0
LRCKo
BCKo
SDo
VDDT
MiACK/A1
1R
/MiCK/SCL
MiDiO/SDA
/MiLP/ /RAS
/MiCS/ /WE
MiMD
/RESET
DIT
1Mbit
SRAM
SRAM I/F
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
49
51
Table of Contents
49838.pdf
1
SECTION 1
2
1.1 Safety Precautions
2
1.2 Preventing static electricity
3
1.3 Handling the traverse unit (optical pickup)
3
1.4 Attention when traverse unit is decomposed
3
SECTION 2
4
2.1 Main body
4
2.2 CD Mechanism section
8
SECTION 3
23
3.1 Adjustment method
23
3.2 Flow of functional operation unit TOC read
24
3.3 Maintenance of laser pickup
26
3.4 Replacement of laser pickup
26
SECTION 4
27
4.1 BA3220FV-X (IC281, IC301) : Line out amplifier
27
4.2 BA5830FP-X (IC681) : Power driver
28
4.3 BR24C01AFV-W-X (IC502) : EEPROM
29
4.4 BR24C16F-X (IC703) : EEPROM
30
4.5 BU4066BCFV-X (IC131) : Quad analog switch
31
4.6 RPM6938-SV4 (IC805) : Remote control receiver
31
4.7 HA13164A (IC901) : Regulator
32
4.8 HD74HC126FP-X (IC781) : Buffer
33
4.9 HD74HCT126T-X (IC503) : Buffer
34
4.10 IC-PST3424U-X (IC803) : Reset
35
4.11 IC-PST9333U-X (IC702) : Regulator
35
4.12 LA47505 (IC951) : Power amp.
36
4.13 LH28F160BJHET92 (IC802) : 16M flash memory
38
4.14 MN102H60KCG (IC801) : LCD display sub CPU
40
4.15 M62449FP-X (IC912) : Equalizer
42
4.16 NJM2360AM-X (IC921) : DC-DC convertor
43
4.17 NJM4565V-X (IC132, IC572) : Dual operational amplifier
43
4.18 NJU7241F25-X (IC651) : Regulator
44
4.19 NJU7241F33-X (IC504, IC804) : Voltage regulator
44
4.20 PCM1716E-X (IC571) : D/A converter
45
4.21 TA2157FN-X (IC601) : RF amp
46
4.22 TC94A14FA (IC621) : DSP & DAC
48
4.23 TC94A20F-008 (IC652) : Audio digital processor with DAC and SRAM
50
4.24 TDA7404D-X (IC911) : Car radio signal processor
53
4.25 TMP91CW12AF4NB1 (IC501) : CPU
54
4.26 UPD784217AGC205 (IC701) : CPU
58
p49838sch.pdf
61
Cover
61
Block diagram
63
Standard schematic diagrams
64
Printed circuit boards
70
Back cover
74
49838par.pdf
75
Cover
75
Exploded view of general assembly and parts list (Block No.M1)
76
General assembly
77
CD mechanism assembly and parts list (Block No.MB)
78
CD mechanism
79
Electrical parts list (Block No.01~03)
80
Main board
80
Front board
83
Sub board
85
Packing materials and accessories parts list (Block No.M3)
88
Packing and accessories
89
Other manuals for JVC KD-LH3150
Instructions
97 pages
4
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JVC KD-LH3150 Specifications
General
Brand
JVC
Model
KD-LH3150
Category
Car Receiver
Language
English
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