Sony KDL-50R550A Service Manual page 34

A BOARD SCHEMATIC DIAGRAM (22 OF 26)
1 2
A
B
C
R8004 R8004
9.1K_F 9.1K_F
AUD_12V 1
R8034 R8034
10K_J 10K_J
1 2
[4,7,8,10,19,21,23] SB_3.3V
1
[19] AMP_SLEEP
D
R8006 R8006
47K_J 47K_J
AMP SLEEP CONTROL.
AMP_SLEEP AMP_SLEEP#
H L
E
L H
SPEAKER DC PROTECT.
SP_MR
5 4
F
6 3
C8015 C8015
7 2
NC/10U_10V_M NC/10U_10V_M
SP_PR 8 1
RP8002 RP8002
NC/100K NC/100K
RP8003 RP8003
NC/100K NC/100K
SP_ML 5 4
6 3
C8036 C8036
7 2
NC/10U_10V_M NC/10U_10V_M
SP_PL
G 8 1
Monday, January 07, 2013 Monday, January 07, 2013 Monday, January 07, 2013
Date : Date : Date : 10-20-2005 10-20-2005 10-20-2005 LY.REV : LY.REV : LY.REV : 00 00 00
H
PWB : PWB : PWB : 297005040100.BRD 297005040100.BRD 297005040100.BRD File Name : File Name : File Name : 297005040100.DSN 297005040100.DSN 297005040100.DSN
DESCRIPTION : DESCRIPTION : DESCRIPTION :
SCHEMATIC OF LCD TV MONITOR SCHEMATIC OF LCD TV MONITOR SCHEMATIC OF LCD TV MONITOR
1 2
Chassis RB1FK, BL
3 4
2 AMP_SLEEP#
Q8001 Q8001
PMBT3904.215 PMBT3904.215
C C C8011 C8011
2 1 B B
R8007 R8007 1U_6.3V_K 1U_6.3V_K
E E 3.3K_J 3.3K_J
AMP MUTE CONTROL.
AMP STATUS AMP_MUTE# AMP STATUS
POWER DOWN H NORMAL
NORMAL L MUTE
NC
R8011 R8011
4.7K_J 4.7K_J
AMP_ERR#
2 5 1 2
Q8002A Q8002A Q8002B Q8002B R8013 R8013 Q8004 Q8004
C C
NC/MMDT3906-7-F NC/MMDT3906-7-F NC/MMDT3906-7-F NC/MMDT3906-7-F NC/1K_J NC/1K_J NC/PMBT3904.215 NC/PMBT3904.215
1 2 1 B B
E E
C8019 C8019 R8016 R8016
NC/1U_10V_K NC/1U_10V_K NC/10K_J NC/10K_J
NC NC
2 5
Q8003A Q8003A Q8003B Q8003B
NC/MMDT3906-7-F NC/MMDT3906-7-F NC/MMDT3906-7-F NC/MMDT3906-7-F
Drawn : Drawn : Drawn : Checked Checked Checked
10-20-2005 10-20-2005 10-20-2005
3 4
5 6
AUD_12V
[4] AUD_12V
C8038 C8038 C8037 C8037 C8023 C8023 C8002 C8002
0.1U_25V_K 0.1U_25V_K 1U_50V_K 1U_50V_K
0.1U_25V_K 0.1U_25V_K
0.1U_25V_K 0.1U_25V_K
C8004 C8004
PAD8001 PAD8001
1U_50V_K 1U_50V_K
pad_smd299x165 pad_smd299x165
1
RP8001 RP8001
33_j 33_j
MCK_AMP
1 8
[17] AMP_MCK
SDA_AMP
2 7
[17] AMP_SDA
3 6 CLK_AMP
[17] AMP_BCK
4 5 LRC_AMP
[17] AMP_LRC
C8006 C8006 C8007 C8007 C8008 C8008 C8009 C8009
NC NC NC NC NC NC NC NC
R8003 R8003
0_J 0_J
1 2
[19] AMP_MUTE#
R8005 R8005
0_J 0_J
ERR_AMP#
1 2
[19] AMP_ERR#
AMP_SLEEP#
R8002 R8002
4.7K_J 4.7K_J
3.3V_AMP 1 2
L8001 L8001
NC/22UH_2A_0.107R NC/22UH_2A_0.107R
AMP_MR
1 2
L8002 L8002
10UH_2.3A_0.056R 10UH_2.3A_0.056R
C8012 C8012
1 2
0.47U_25V_K 0.47U_25V_K
L8003 L8003
10UH_2.3A_0.056R 10UH_2.3A_0.056R
1 2
C8014 C8014
L8004 L8004
0.47U_25V_K 0.47U_25V_K
NC/22UH_2A_0.107R NC/22UH_2A_0.107R
AMP_PR 1 2
L8005 L8005
NC/22UH_2A_0.107R NC/22UH_2A_0.107R
AMP_ML
1 2
L8006 L8006
10UH_2.3A_0.056R 10UH_2.3A_0.056R
C8016 C8016
1 2
0.47U_25V_K 0.47U_25V_K
SYS_3.3V [4,6,14,15,17,18,19,20]
L8007 L8007
10UH_2.3A_0.056R 10UH_2.3A_0.056R
1 2
C8018 C8018
L8008 L8008
0.47U_25V_K 0.47U_25V_K
NC/22UH_2A_0.107R NC/22UH_2A_0.107R
AMP_PL
1 2
LC Filter Constant.
RL L C1 C2
8 Ohm 22uH 0.22uF 0.1uF
8 Ohm 10uH NC 0.47uF
Approved Approved Approved PART NO. PART NO. PART NO.
2970050401-SC 2970050401-SC 2970050401-SC
10-20-2005 10-20-2005 10-20-2005
5 6
7 8
U8001 U8001
YDA176-QZE2 YDA176-QZE2
9 14 AMP_MR
PVDDPR PVDD=12.5V OUTMR_1
16 15
PVDDMR OUTMR_2
R=8 Ohm
Po=10W*2
C8003 C8003
THD+N<10%
1U_50V_K 1U_50V_K
12 I2S Frequency
PVSSR_1
13 LR=48Khz
PVSSR_2
AMP_PR
10
BCK=64*LR OUTPR_1
11
MCK=256*LR OUTPR_2
PWM Fc=768Khz
32
PVDDPL
GAIN=MODE1
25
PVDDML
PLIMIT1/2=8H
C8005 C8005
26 AMP_ML
1U_50V_K 1U_50V_K
OUTML_1
28 27
PVSSL_1 OUTML_2
29
PVSSL_2
AMP_PL
5 30
MCK OUTPL_1
6 31
SDATA OUTPL_2
7
SCLK
8
LRCLK
NC/22P_50V_J NC/22P_50V_J
NC/22P_50V_J NC/22P_50V_J
NC/22P_50V_J NC/22P_50V_J
NC/22P_50V_J NC/22P_50V_J AMP_ILIM1
19
PLIMIT1
AMP_ILIM2
20
PLIMIT2
21 AMP_GAIN
GAIN
24
MUTEN
18
PROTN
3.3V_AMP
17 1
SLEEPN REFA
C8010 C8010
22 2
1U_6.3V_K 1U_6.3V_K
CKMOD AVSS
3
TEST
4
DVSS
23 33
MONO THERMAL PAD
CN8001 CN8001
HEADER_4P HEADER_4P
SP_MR SP_PL
1 1
TP8004 TP8004
SP_ML
1 2
TP8003 TP8003
1 SP_MR 3
TP8001 TP8001
1 SP_PR 4
TP8002 TP8002
C8013 C8013
NC/0.22U_25V_K NC/0.22U_25V_K
SP_PR 3.3V_AMP
R8010 R8010
0_J 0_J
SP_ML AMP_GAIN
AMP_ILIM1
AMP_ILIM2
C8017 C8017 R8012 R8012 R8014 R8014
NC/0.22U_25V_K NC/0.22U_25V_K 0_J 0_J 0_J 0_J
SP_PL
Fc Fc ( to GND )
46.2Khz 107Khz
73.4Khz 73.4Khz
REV. REV. REV. SHEET SHEET SHEET
<RevCode> <RevCode> <RevCode>
22 22 22 25 25 25
____ OF ____ ____ OF ____ ____ OF ____
7 8
Chassis RB1FK, BL
A
B
C
D
E
F
G
H
34