LG 32LB9D Service Manual page 22

2. AUDIO
(1) AUDIO ALL PATH
ANT/Cable AT/NT
TUNER
L/R
EXT1/2
L/R
COMP 1/2
L/R
RGB
MNT
OUT
S/PDIF
HDMI 1/2/3
Optical
SPDIF OUT
Coaxial
(2) Common Sound Out
All Source Speaker Out
Check X260 (IC101) Output
1
R153(SCLK), R154(LRCLK), R155(DATA), R156(MCLK)
2 Check NTP3000 (IC505) Power
Check NTP3000 (IC505) Inputs pi ns
3
#17(DATA), #18(LRCLK), #19(SCLK), #6(MCLK)
Check N TP3000 (IC505) Output
4
L510,L511(Left) / L512,L513(Right)
Check N TP3000 (IC505) Output
5
L515,L516(Left) L517,L5 18(Right)
Check Speaker ou tput w afer
6
P502(Left), P501(Right)
7
Check Spe aker
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Only for training and service purposes
SIF
MSP4450K
L/R
SC 2
MCLK
CS8416
Monitor L,R Out
If DTV or HDMI input
1
Check X260 (IC101) Output
R153(SCLK), R154(LRCLK), R155(DATA)
Check M SP4450K (IC508) Input
R5059(SCLK) R5060(LRCLK), R5061(DATA)
If ATV, AV, Component, RGB i nput
Check M SP4450K (IC508) Input
C5016(ATV_SIF), R5041(AV1_R), R5042(AV1_L),
2
R5045(AV2_R), R5046(AV2_L), R5048(CMP1_R),
R5049(CMP1_L), R5051(CMP2_R), R5052(CMP2_L),
R5055(RGB_R), R5058(RGB_L)
3 Check M SP4450K (IC508) Power
Check M SP4450K (IC508) X-tal Inpu t
4
X-tal Input (71, 72pin) : 18.432MHz
Check M SP4450K (IC508) Output
5
6
Check MNT Output Jack (J704)
VSB TP
LGDT
3303
I2S
I2SO 1
I2S
I2SI 3
I2S
R5062 (Left), R5063 (Right)
- 22 -
TP A
TP C
SIF IN 1
SIF IN 2
I2S
I2S IN 1
I2S
I2S IN 2
MCLK
NTP
I2S
3000
I2S OUT 1
SPDIF OUT
Digital Audio Out
1 Check CS8416 (IC501) Power
Check CS8416(IC501) Input
2
C5006 (X260_SPDIF) or
C5005 (HDMI_SPDIF)
Check CS8416(IC501) Output
3
R590 (8416_SPDIF_out)
Check S PDIF Jack
4
P500 (Optical SPD IF Jack) and
P501 (Coaxial S PDIF Jac k)
LGE Internal Use Only
X260
SPDIF