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RHT499H
LG RHT499H Service Manual
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3-34
5.
I/O
BOARD
BLOCK
DIAGRAM
SIF
IC702
S-24CS16A
011
EEPROM
SC
A
R
T
1
TU_L/R_OUT
SW_A_OUT_L/R
A
I
N
_
D
O
SW_V_OUT
A_
OU
T_L/
R
R_OUT
G_OUT
B_OUT
CVBS_OUT
Y_OUT
C_OUT
R_Pr_OUT
G_Py_OUT
B_Pb_OUT
R_SCART_OUT
G_SCART_OUT
B_SCART_
OUT
EU1_A_OUT_L/R
EU1_V_OUT
EU1_A_IN_L/R
EU1_V_IN
EU2_A_OUT_L/R
EU2_V_OUT
EU2_A_IN_L/R
EU2_V_IN / S.VIDE
O_Y
IC901
SAA7138
AV DECODER
Pr_RCA_OUT
Y_RCA_OUT
Pb_RCA_OU
T
C_SEPA_OUT
Y_SEPA_OUT
I2C I/O
I2C I/O
COMPONENT
RE
A
R
.A
UDIO
S
/
W
B
L
O
C
K
(
Q
1
6
4
/
1
5
8
/
1
6
3
)
S-VIDEO
S/W
BLOCK
(Q164/158/163)
SW_12VG
SW_5.3V
A
SW_FD(+)
IC802
1
2V
A
5
.3
V
A
F
D(
+
)
TU_V_OUT
S
C
A
R
T
2
SC
A
R
T
2
DAC_A
L/R_OUT
AUDIO Mute
Block
SYS_MUTE_L
A_OUT_L/R
I
C
6
0
6
7
4
H
C
4
0
6
6
IC606
74HC4066
AFT
TU_SECAM_
H
TUNER_SEL
TS_D
ATA
[
0]
TS_CLK
TS_V
AL
TS_SYN
C
V
IN_
IN
T
V
IN_
D
[7
:
0]
A
I
N_FSYN
C
A
I
N_S
C
L
K
A
I
N_
MC
L
K
I2
C
MA
IN
Z_MUTE_L/R
SCL
/
SD
A
I
C
8
0
1
M
M
1
7
6
3
A
V
S
w
i
tc
h
+
V
i
d
e
o
B
u
f
f
e
r
IC801
MM1763
AV Switch
+
Video Buffer
C
F
SECAM_AM
VIN_VSY
NC
VIN_CLK
SY
NC_
DET
_H
Z-MUTE_CTL_H
SLEEP_OF
F
SPI_I/O to M
ai
n
/
RS
T_
SA
A
71
38
T
UN
ER
_
RE
SE
T_
L
FRONT.AV IN
TIMER BOARD
F_CVBS_IN
F_A_L/R_IN
I
C
7
0
3
7
4
H
C
T
1
2
5
IC703
74HCT12
5
HDMI_C
EC
SP
I
SPI
SPDIF_OUT
OPTICAL
COAXIA
L
A
OU
T
_D
0
A
OU
T
_M
CL
K
A
OU
T
_F
SY
NC
A
OU
T
_S
CL
K
HOST_EN
A
_L
HOST_DAT
A_IN
HOST_CLK_I
N
MICOM
CI
Card
Board
TS_DATA[7:0]
TUNER
TU601
(Analog/
Digital)
I
C
1
1
0
1
D
M
N
8
6
7
3
S
T
B
/
H
D
D
/
D
V
D
R
e
c
o
r
d
e
r
P
r
o
c
e
s
s
o
r
IC1101
DMN8673
STB/HDD/DVD
Recorder Processo
r
FD(+)
FD(-)
CI_5V
3.3V
2.5V
L
D
O
B
L
O
C
K
I
/
O
LDO
BLOCK
I/O
-29VA
5.3V
A
14V
A
5.0VD
3.3V
A
1.8V
1.25V
PWR_CTL_
H
1W_H
MAIN BOARD
I
C
8
0
3
P
C
M
1
7
8
0
A
U
D
I
O
D
A
C
IC803
PCM1780
AUDIO DAC
48
50
Table of Contents
Section 1 Summary
3
Table of Contents
3
New Functions of Dvb-T/Hdd/DVD Recorder
4
Product Safety Servicing Guidelines for Dvb-T/Hdd/DVD Recorder Products
5
Dvb-T/Hdd/DVD Recorder Products
6
Electrostatically Sensitive (Es) Devices
6
General Servicing Precautions
6
Insulation Checking Prodedure
6
Servicing Precautions
6
Service Information for Eeprom IC Setting
7
Upgrade the Main & Loader Program
8
Specifications
10
Section 2 Cabinet & Main Chassis
12
Cabinet and Main Frame Section
13
Exploded Views
13
Deck Mechanism Section (Rs-06A)
14
Packing Accessory Section
15
Section 3 Electrical
16
Electrical Troubleshooting Guide
17
Power Supply on SMPS Board
17
Power Supply on I/O Board
19
Disc Not Recognized
23
System Circuit Part
23
When Playing Disc, no Audio Output
24
No Optical/Digital Output
25
No Tuner Audio Output
26
No External Audio Input
27
No Rgb / Component Video Signal When Play Disc
28
No Composite / S-Video Signal When Play Disc
29
No Tv, External Input Video Signal
30
No DV (Ieee1394) Input (Video/Audio) Signal
31
No Dvb_T Audio / Video Output
32
System Block
33
Waveforms
33
Video Block (Color Bar Input)
36
Audio Block (1Khz Sinewave Input)
37
Serial Interface Block
39
Tuner Block
40
Hdmi Block
41
Wiring Diagram 1
42
Wiring Diagrams
42
Wiring Diagram 2
43
Block Diagrams
45
Overall Block Diagram
45
SMPS Board Block Diagram
46
Main Board Block Diagram
47
Power Main Board Block Diagram
48
I/O Board Block Diagram
49
Video Input Block Diagram
50
Video Output Block Diagram
51
Audio Input Block Diagram
52
Audio Output Block Diagram
53
Power I/O Block Diagram
54
Fld Timer Board Block Diagram
55
Power Timer and CI Block Diagram
56
Circuit Diagrams
58
SMPS Circuit Diagram
58
Mpeg Circuit Diagram
59
Flash / Ddr Circuit Diagram
60
Ieee1394 Circuit Diagram
61
Atapi / Hdmi / Usb Circuit Diagram
62
I/O Μ-Com Circuit Diagram
63
Scart / Rca Circuit Diagram
64
Tuner / Decoder Circuit Diagram
65
Ldo Circuit Diagram
66
Common Interface Board Circuit Diagram(Optional)
67
Hdmi Daughter Board Circuit Diagram
68
Timer Circuit Diagram
69
Key Circuit Diagram
70
Circuit Voltage Chart
71
Main P.C.board
75
Printed Circuit Board Diagrams
75
I/O P.C.board
76
SMPS (Power) P.C.board
78
Timer & Key P.C.board
79
Common Interface P.C.board(Optional)
80
Hdmi P.C.board
80
Section 4 Rs-06A Loader Part
82
Electrical Troubleshooting Guide
83
The Difference of DVD-R/Rw, DVD+R/Rw Discs and DVD-Rom
97
Recording Layer
97
Disc Specification
98
Disc Materials
98
Organization of the Inner Drive Area, Outer Drive Area, Lead-In Zone and Lead-Out Zone
102
Optical Power Setting
105
MANUAL OPTICAL Power SETTING
105
Alpc Measurement System
105
Alpc Program
105
Execute Alpc Program
106
OPTICAL Power SETTING
108
CONFIRM OPTICAL Power SETTING PARAMETER
109
ATTACHMENT. OPTICAL Power MEASUREMENT
110
AUTOMATIC OPTICAL Power SETTING (SET-BASED)
111
Internal Structure of the Pick-Up
112
Block Diagram of the Pick-Up (Hop-7232Tl)
112
Pick up Pin Assignment
113
Signal Detection of the P/U
114
Description of Circuit
115
ALPC (AUTOMATIC LASER Power CONTROL) CIRCUIT
115
Focus/Tracking/Sled Servo Circuit
116
Spindle Servo Circuit
117
Major IC Internal Block Diagram and Pin Description
118
Lic101 (An22117A) : Fep(Rf) Analog Signal Processor
118
Lic201 (Mn103Sc7G) : Encoder, Decoder & Dsp Singal Processor
124
System Clock
125
LIC301 (BD7776ARFS) : CD-ROM/DVD-ROM 7CH Power DRIVER
131
Block Diagram
132
Circuit Diagram
134
Circuit Voltage Chart
135
Printed Circuit Board Diagrams
136
MAIN P.C.BOARD (TOP View)
136
MAIN P.C.BOARD (BOTTOM View)
137
Other manuals for LG RHT499H
User Manual
44 pages
Owner's Manual
84 pages
4
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LG RHT499H Specifications
General
Brand
LG
Model
RHT499H
Category
DVD Recorder
Language
English
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