Read Sony KDL-26P5550 / KDL-32P5550 Service Manual online
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~ B Board Schematic Diagram [ Tuner, Main Microcontroller, HDMI/AV Input/PC Input, Scarts ] Page 10/12 ~
SPDET_RP
016:14D
GND_1
100k
RB7812
R7818
0
XX
C7862
MONITOR_OUT_RIGHT
020:4C
AMP_FAULT
014:9K
SPDET_LP
016:15D
10V
1
C7879
X7R
1608
25V
10
C7865
X7R
3225
RB7822
100k
4
P2
3
P1
P1
2
P4
1
P3
P3
XX
R7821
GND_1
SPDET_RN
016:15D
1005
16V
0 . 1
C7859
SDA_UP_MIPS
016:3D
SCL_UP_MIPS
016:3D
1005
16V
0 . 1
C7853
RT3N77M-TP-1
Q7803
3
2
1
6
5
4
SPDET_LN
016:15D
C7861
XX
GND_1
10V
C7894
X7R
1608
1
SCART_MUTE
0 1 6 : 1 0 J
10V
C7851
X7R
1608
1
10V
1
C7878
X7R
1608
16V
10
C7872
MONITOR_OUT_LEFT
020:4B
GND_1
10V
C7893
X7R
1608
1
AUDIO_MUTE
0 1 4 : 1 1 I
REC_MUTE_A
0 1 6 : 1 5 J
XX
C7875
SCART_MUTE
0 1 6 : 1 5 I
1005
16V
0 . 1
C7863
10V
C7849
X7R
1608
1
25V
10
C7881
X7R
3225
XX
C7874
10V
1
C7876
X7R
1608
25V
10
C7883
X7R
3225
REC_MUTE_A
0 1 6 : 1 0 J
1005
16V
0 . 1
C7864
R7817
0
100
RB7813
1608
25V
0 . 1
X7R
C7857
10V
1
C7877
X7R
1608
RT3N77M-TP-1
Q7802
3
2
1
6
5
4
C7860
XX
R7819
0
1k
RB7814
16V
47
C7848
100k
RB7821
4
P2
3
P1
P1
2
P4
1
P3
P3
10V
C7852
X7R
1608
1
10V
C7850
X7R
1608
1
AV1_RIGHT
22k
RB7800
4
P2
3
P1
2
P4
1
P3
8
P6
7
P5
6
P8
5
P7
AV1_LEFT
AV2_LEFT
AV2_RIGHT
47K
RB7801
AV3_YPBPR_LEFT
HDMI2_PC_MUX_LEFT
AV3_YPBPR_RIGHT
HDMI2_PC_MUX_RIGHT
47k
RB7802
SIDE_IO_RIGHT
SIDE_IO_LEFT
1005
1/16W
CHIP
5%
R7805
1k
470k
R7810
JL7800
470k
R7811
1000p
C7831
HDMI2_PC_MUX_LEFT
JL7801
1005
1/16W
CHIP
5%
R7806
1k
HDMI2_PC_MUX_RIGHT
1000p
C7830
XX
RB7804
XX
RB7805
2
1
4
3
6
5
8
7
GND_AU
GND_AU
VDDA_AUDIO
16V 10
C7840
4.7k
RB7806
16V 10
C7825
1005
16V
C7823
0 . 1
GND_AU
GND_AU
1005
16V
C7822
0 . 1
VDDA_AUDIO
1/16W
CHIP
5%
100
R7801
1005
16V
C7824
0 . 1
16V
10
C7826
GND_AU
33
RB7808
33
RB7809
33
RB7810
XX
RB7811
33
RB7807
1k
RB7818
4
P2
3
P1
2
P4
1
P3
1k
RB7817
4
P2
3
P1
2
P4
1
P3
XX
R7815
XX
R7814
MINUS_AUDIOL
MINUS_AUDIOR
PLUS_AUDIOR
PLUS_AUDIOL
AUDIO_HDPH_L_AP_S
AUDIO_HDPH_R_AP_S
MONITOR_OUT_LEFT_S
AUDIO_OUT_RIGHT_S
MONITOR_OUT_RIGHT_S
AUDIO_OUT_LEFT_S
SPDIF_OUT
AUDIO_HDPH_R_AP_S
MONITOR_OUT_LEFT_S
MONITOR_OUT_RIGHT_S
AUDIO_HDPH_L_AP_S
AUDIO_HDPH_R_AP
AUDIO_HDPH_L_AP
HPBIASOUT
020:16H
GND_AU
GND_AU
AUDIO_OUT_RIGHT_S
AUDIO_OUT_LEFT_S
AUDIO_OUT_LEFT
AUDIO_OUT_RIGHT
1/16W
CHIP
5%
4 . 7 k
R7803
GND_AU
1005
16V
0 . 1
C7841
GND_AU
1005
16V
0 . 1
C7827
1005
16V
0 . 1
C7828
1005
16V
0 . 1
C7829
1005
16V
0 . 1
C7832
GND_AU
XX
*R7800
SPDIF_OUT
GND_1
+3V3
XX
*FB780
0
+3V3
12V_UNREG_AUDIO
+12V
XX
PS7800
LINE_MUTE_A
016:15K
LINE_MUTE_A
0 1 6 : 1 0 J
RT3N77M-TP-1
Q7801
3
2
1
6
5
4
GND_AU
GND_AU
AMP_FAULT_S
50V 22p
CH
C780
4
1005
50V 22p
CH
C7809
1005
50V 22p
CH
C7810
1005
50V 22p
CH
C7803
1005
50V 22p
CH
C7808
1005
50V 22p
CH
C7806
1005
50V 22p
CH
C7805
1005
50V 22p
CH
C7802
1005
50V 22p
CH
C7807
1005
50V 22p
CH
C7801
1005
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
29
28
27
26
25
24
23
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
CXA3785R-T6
IC7801
HPINL_N
HPINL_P
HPOUTL
GND_HP
HPBIASOUT
VCC_HP
HPOUTR
HPINR_N
HPINR_P
AMP1INL_N
AMP1INL_P
VCC_AMP1
AMP1OUTL
GND_AMP1
AMP1OUTR
AMP1INR_N
AMP1INR_P
AMP2INL
AMP2OUTL
GND_AMP2
AMP2OUTR
AMP2INR
VCC_AMP2
REF
CREF
CREFH
SEL1INL
SEL2INL
AMP3OUTL
GND_AMP3
AMP3OUTR
VCC_AMP3
SEL1INR
SEL2INR
AMP4INL_N
AMP4INL_P
VCC_AMP4
AMP4OUTL
GND_AMP4
AMP4OUTR
AMP4INR_
N
AMP4INR_P
X_PR
O
TECT
OUT
VF
AU
LT
MT_CNT
MTSEL_CNT
DV
DD
DGND
SCL
SDA
REG33
REG33NFB
GND_REF
REGAUD
VUNREG_REF
LINE_MT
REC_MT
SCART_MT
VUNREG_MT
GND_MT
SPLN
SPLP
SPRN
SPRP
Q7806
XX
Q7805
XX
Q7804
XX
VID_IO_SEL
0 0 3 : 1 3 J
CHIP
0
R7822
CHIP
0
R7823
XX
*C7800
10V
C7820
X7R
2012
4 . 7
10V
C7815
X7R
2012
4 . 7
10V
C7817
X7R
2012
4 . 7
10V
C7816
X7R
2012
4 . 7
10V
C7818
X7R
2012
4 . 7
10V
C7813
X7R
2012
4 . 7
10V
C7814
X7R
2012
4 . 7
10V
C7812
X7R
2012
4 . 7
10V
C7811
X7R
2012
4 . 7
10V
C7819
X7R
2012
4 . 7
1608
16V
C7821
0 . 4 7
X7R
16V
470
C7837
1/16W
RN-CP
0.5%
27
R7809
VD7803
VD7804
C7846
XX
C7847
XX
XX
RB7803
2
P2
1
P1
4
P4
3
P3
100k
R7820
+3V3
016:3D
VIN
VCC
GND
*CN7800
XX
J7800
1/16W
RN-CP
0.5%
75
R7802
1/10W
RN-CP
0.5%
10
R7804
1/10W
RN-CP
0.5%
10
R7824
75
RB7823
RT3N77M-TP-1
Q7807
3
2
1
6
5
4
100k
RB7824
2
P2
P2
1
P1
4
P4
P4
3
P3
6
P6
P6
5
P5
8
P8
P8
7
P7
XX
R7825
CHIP
0
R7826
16V
47
C7895
16V
47
C7896
C3030
10V
1
X7R
1608
C3034
1
X7R
1608
C3029
10V
1
X7R
1608
C3033
1
X7R
1608
L7800
1uH
25V
47
C7855
2012
10V
4 . 7
X7R
C7870
2012
10V
4 . 7
X7R
C7871
Audio
PNX85433EH/M2/2008C
IC4000
AIN1R
AP7
AIN1L
AN7
AIN2R
AL6
AIN2L
AK6
AIN3R
AN6
AIN3L
AM6
AIN4R
AM5
AIN4L
AP6
AIN5R
AP5
AIN5L
AN5
VREF_AADCR
AL7
VREF_AADCL
AK7
VREF_POS
AM9
VREF_NEG
AM8
VRPOS_AADC
AN8
VRNEG_AADC
AP8
VCOM_ADC
AM7
AOUT
C1
RES_REF
B1
SPDIF_IN1
U5
SPDIF_IN2
C19
I2S_IN_SD1
AK14
I2S_IN_SD2
AP15
I2S_IN_SD3
AM15
I2S_IN_SD4
AL15
I2S_IN_SCK
AL14
I2S_IN_WS
AM14
I2S_IN_OSCLK
AN15
ADAC1_P
AL13
ADAC1_N
AP14
ADAC2_P
AM13
ADAC2_N
AN13
ADAC3_P
AP12
ADAC3_N
AN12
ADAC4_P
AK11
ADAC4_N
AL11
ADAC5_P
AL10
ADAC5_N
AP11
ADAC6_P
AM10
ADAC6_N
AN10
VSSA_ADAC
AJ10
3V3A_ADAC
AK12
DAC_CAP_R
AL8
DAC_CAP_L
AL9
ADAC1
AN14
ADAC2
AP13
ADAC3
AM12
ADAC4
AM11
ADAC5
AN11
ADAC6
AP10
ADAC7
AP9
ADAC8
AN9
SPDIF_OUT
V1
I2S_OUT_OSCLK
AA2
I2S_OUT_SCK
Y2
I2S_OUT_WS
Y1
I2S_OUT_SD1
Y3
I2S_OUT_SD2
AA1
I2S_OUT_SD3
AA3
I2S_OUT_SD4
AA4
1005
50V
3300p
X7R
C7839
1005
50V
3300p
X7R
C7838
1005
50V
3300p
X7R
C7882
1005
50V
3300p
X7R
C7836
1005
50V
3300p
X7R
C7889
1005
50V
3300p
X7R
C7890
1005
50V
3300p
X7R
C7833
1005
50V
3300p
X7R
C7880
GND_AU
1/16W
CHIP
5%
1k
R7827
1/16W
CHIP
5%
1k
R7828
2012
10V 4 . 7
X7R
C7842
2012
10V
4 . 7 X7R
C7843
2012
10V
4 . 7 X7R
C7844
2012
10V
4 . 7
X7R
C7845
CHIP
0
R7829
CHIP
0
R7830
SPDET
MONITOR
45pin MT_CNT
" L " : M u t e
" H " : U n m u t e
" L " : M u t e
" H " : U n m u t e
46pin MTSEL_CNT
" L " : M u t e
" H " : U n m u t e
" L " : M u t e
" H " : U n m u t e
MUX OUT
44pin VFAULT
" L " : N o r m a l
" H " : E r r o r
" L " : N o r m a l
" H " : E r r o r
43pin X_PROTECTOUT
" L " : E r r o r
" H " : N o r m a l
" L " : E r r o r
" H " : N o r m a l
HP_OUT
HDMI2 AUDIO INPUT
PC AUDIO INPUT
AUDIO_OUT
PNX8543_AUDIO
SPDIF OUT
SCART1
SCART2
LINE OUT
TO PXN
HEADPHONE
B-EX2N
COMPONENTS MARKED AS XX REFER TO PARTS LIST, WILL ONLY BE LISTED IF FITTED
B
10/12
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