Sony KLV-26V300A / KLV-32V300A / KLV-40V300A / KLV-46V300A Service Manual ▷ View online
KLV-26/32/40/46V300A
RM-GA008
KLV-26/32/40/46V300A
RM-GA008
– 40 –
– 41 –
4-1-2. BG1 (2/3), H1, H3, H4 AND UT BLOCK DIAGRAMS
REC_MUTE
HP_DET
TV_M_HSYNC
V_DET
D2_IN_CR
D2_IN_CB
D2_IN_Y
Q5001
Q5000
138
161
62
123
119
118
CPU
IC3001
Q3003
X_DSP_MUTE
SP_MUTE
LINE_MUTE
HP_MUTE
AU_PROT
X_DSP_RST
X_DSP_RST
PC_IN_L
PC_IN_R
DVI_IN_L
DVI_IN_R
HDMI_I
2
S
17
107
113
155
26
139
5
3
2
1
CN4003
Q4014,4015
2,17
3,16
6
4
CN3004
INV.
Q3006
149
112
81
111
32
21
78
79
157
128
141
158
VBLK
INPUT_V
RESET_TR
FLASH ROM
A
DQ
20
8
A1-A20
D16-D23
DQ
OE#
WE#
IC4511
30
19
ALE_PX
CS_PX
4
2
3
4
5
IC4701
IC5501
SDA
SCL
SCL
BUS SW
17
18
16
15
BUS SW
IC4702
8
TRIDENT BUS
AD0-AD7
AD0-AD7
CVBS1
C
Y_G3
PB_B3
PR_B3
VIDEO PROCESSOR
TA1P
TA1M
TB1P
TB1M
TC1P
TC1M
TD1P
TD1M
TCLK1P
TCLK1M
30,32,
26,28
6
13
15
17
19
9
11
5
7
1
3
VIN
CN4500
34,36,
38,40
38,40
PANEL12V
GND
RCLK-
RCLK+
23
21
RE+
RE-
35
DCC_LUT_SEL2/HF_CONT2
33
31
DCC_LUT_SEL1/C1.5/P1.5_ALERT
DCC_LUT_SEL0/3.3V/2.5V_ALERT
RD-
RD+
RC-
RC+
RB-
RB+
RA-
RA+
DPB_VS
DP_VS
RESET
8
AD0-7
1
2
IC4703
4
19
AD
WR#
RD#
ALE
CPU_CS
19
1
2
3
4
SDO
SCK
WS
AUDIOCLK
122
152
159
164
31
80
156
129
130
76
REC_R_LED
POWER/RESERVE_LED
ON_TIMER_LED
PIC_MUTE_LED
STBY_LED
SENSOR_DET
SIRCS
D_IRO
POWER_KEY
KEY
115
114
24
5
6
7
IC3005
IC8001
EEPROM
SDA_A
SCL_A
NVM_WP
STBY3.3V
Q3004
8
RESET
IC3004
PC_R
PC_G
PC_B
AIN_HS
AIN_VS
PC_R
PC_G
PC_B
PC_H
PC_V
SCL
SDA
WC
NVM
IC5000
IC5500
PS5000
6
5
7
J1710
5
3
BALANCER_ERR
INV_ERR
BACKLIGHT
DIMMER
TXD
RXD
MD0
RES
19
15
16
12
10
9
7
6
4
3
1
J5502
HPD
DDC CLK
DDC DAT
CLK-
CLK+
D0-
D0+
D1-
D1+
D2-
D2+
77
76
74
73
71
70
68
67
38
39
8
9
11
12
9
11
12
14
15
5
6
15
5
6
21
23
22
23
22
9
10
11
11
6
7
DSDA
DSCL
64
63
62
IC4900
DDR SDRAM
DQ
A
DQS
DM
VREF
CK
CK
MD
MA
DQS
DQM
MVREF
MCK0
MCK0#
32
12
4
4
7
MA0-31
MA0-11
DQS0-3
DQM0-3
CKE,WE#,CS#,RAS#
CAS#,BA0,BA1
CAS#,BA0,BA1
MVREF
MCLK0
MCLK0#
10
9
8
4
7
5
6
3
STBY3.3V
SIRCS
VD3.3V
BL_IN
STBY_LED
PICTURE_OFF_LED
ON_TIMER_LED
PWR/RESERVE_LED
REC/RESERVE_LED
2
2
3
6
5
7
4
8
9
10
D3.3V
STBY3.3V
IC3008
3
2
KEY1
POWER_INT
19
20
CN3008
Q303,304
LED
SW
SW
LED
Q301,302
D305
POWER
PIC OFF
D302
Q305
LED SW
D308
STANDBY
ILLUM
SENSOR
IC320
STBY3.3V
H3
(LED)
Q320
CN101
POWER
S101
KEY
S102-S107
H1
(KEY)
H4 (OPTICAL
SENSOR)
BG1 (2/3)
(MAIN MICON, VSW-TRIDENT/DDR, HDMI-PC)
UT
(USB HOST MICRO)
SDA
SCL
TEMP SENSOR
1
2
CN351
CN401
28
11
INV.
APC
AFT
SDA_5V_TUNER
SCL_5V_TUNER
AFT
APC
116
117
77
105
Q3007
IC3007
Y/CV,C
TO
BG1 BOARD
(1/3)
(3/3)
BG1 BOARD
TO
PANEL UNIT
TO
TO
UT BOARD
CN8003
IC3002
BUFFER
BUFFER
Y/CV
C
IC4500
TO
PANEL UNIT
PANEL UNIT
J5000
PC IN
J1720
L
R
AUDIO
HDMI IN
F
B
RGB
AUDIO
151
99
100
D2_IN_Y
D2_IN_CB
D2_IN_CR
D1_IN_Y
D1_IN_CB
D1_IN_CR
D1
D2
Y_G2
PB_B2
PR_R2
FB1
S1
71
Q3005
84
60
101
68
5
4
3
2
14
10
11
12
6
7
8
9
CN3003
BREAK
XINIT
XRSTIN
XTRST
ICLK
ICS2
ICS1
ICS0
ICD3
ICD2
ICD1
ICD0
89-92
86-88
94
95
93
ICD
ICS
CE#
18
X3001
133
142
120
121
66
64
1
5
6
7
INT1
INT2
SCL
SDA
IC3009
CLOCK QSC
2
X3009
3
X4500
XTALI
XTALO
IC5001
INV.
PC_H
PC_V
141
SIRCS
IC401
TEIM
TEIP
POWER2
Q5509
IC5501
SDA
SCL
SCL
19
15
16
12
10
9
7
6
4
3
1
J5503
HPD
DDC CLK
DDC DAT
CLK-
CLK+
D0-
D0+
D1-
D1+
D2-
D2+
15
14
12
11
9
8
6
5
3
3
2
80
Q5509
IC5504
6
7
IC5510
RX0-
RX0+
RX1-
RX1-
RX1+
RX2-
RX2-
RX2+
RXC-
RXC-
RXC+
PWR5V
HDMI_RST_1
HDMI_RST_3
HDMI_RST_2
HDMI_RST_2
Q5505
7
4
14
15
15
Q5503
HDMI3.3V
VSW_OUT_C
VSW_OUT_Y/CV
D1_IN_Y
D1_IN_CB
D1_IN_CB
D1_IN_CR
AGC_READ
AGC_MUTE
MSP_RST
3
2
1
8
7
50
23
12
11
22
CN8002
PANEL UNIT
TO
Q8004,8005
IC8000
Q8000
Q8003
20
Q8002
IC8002
+D3.3V
+D5V
15
11
12
14
14
8
10
105
103
102
106
106
104
23
143
132
22
22
7
5
6
2
15
11
12
14
14
8
10
7
5
6
2
15
56
57
14
14
26
58
25
29
62
64
LOG_RXD
SR_CLK
SIR_OUT
SIR_IN
LOG_TXD
HOST_ST1
HOST_ST0
RPLY_USB
INT_USB_HOST
RST_MICRO
CN8001
CN3500
2,17
3,16
6
4
CN8003
TXD
RXD
MD0
RES
TO
BG1 (2/3) BOARD
CN3004
KLV-26/32/40/46V300A
RM-GA008
KLV-26/32/40/46V300A
RM-GA008
– 42 –
– 43 –
4-1-3. BG1 (3/3) AND U1 BLOCK DIAGRAMS
TV_R
TV_L
TV_CVBS
BUFFER
Q7000
AV SW
/
Y1
C1
S1
/
V1
/
/
/
/
/
/
/
27
3
5
6
1
7
4
A
TO
BG1 BOARD
(1/3)
VIDEO IN 1
S VIDEO
VIDEO
R
L(MONO)
AUDIO
J1000
3
4
1
2
V1_IN_Y
V1_IN_C
V1_IN_S2SW
V1_IN_SSW
V1_IN_V
V1_IN_AU_L
V1_IN_AU_R
V3_IN_AU_R
V3_IN_AU_L
V3_IN_V
VIDEO
VIDEO IN 3
PB
PR
Y
J1101
R
L
L
R
Y
PR
PB
HD/DVD IN 1
HD/DVD IN 2
13
15
17
18
16
D1_IN_Y
D1_IN_CB
D1_IN_CR
D1_IN_AU_L
D1_IN_AU_R
D2_IN_Y
D2_IN_CB
D2_IN_CR
D2_IN_AU_L
D2_IN_AU_R
HP_DET
HP_OUT_AU_R
HP_OUT_AU_L
V2_IN_S2SW
V2_IN_SSW
V2_IN_AU_R
V2_IN_AU_L
V2_IN_C
V2_IN_Y
V2_IN_V
CN1400
CN201
18
14
8
1
5
6
10
9
13
15
18
14
8
1
5
6
10
9
13
15
2
1
4
3
U1
(SIDE INPUT)
HP_OUT_AU_L
HP_OUT_AU_R
HP_DET
J201
J202
S VIDEO
VIDEO
VIDEO IN
2
BUFFER
Q4800,4801
AUDIO
L(MONO)
R
AUDIO
AUDIO
AUDIO
R
L
SDA_DEVICE
SCL_DEVICE
AUDIO DSP
IC2002
60
FM/AM
SCS_IN_R
X2001
SDA_B_5V
SCL_B_5V
37
RESETQ
/
/
/
/
23
HDMI_I
2
S
HP_DET
X_DSP_RST
HP_MUTE
LINE_MUTE
SP_MUTE
X_DSP_MUTE
REC_MUTE
AU_PROT
PC_IN_R
PC_IN_L
DVI_IN_R
DVI_IN_L
HDMI_I
2
S
TV_M_HSYNC
V_DET
VSW_OUT_C
VSW_OUT_Y/CV
63
64
DVI_IN_L
DVI_IN_R
PC_IN_R
PC_IN_L
61
60
86
87
35
Q7012
Q7013
Q2023
Q2024
IC2009
IC2005
IC2006
AUDIO AMP
Q2010
L2022,2023
L2024,2025
CN2000
R-
R+
L-
L+
DC DET.
Q2012,2013,2016-2018
Q2006
AMP
IC2004
IC2008
84
85
Q2007
Q2008
Q2019
Q2020
/
/
24
7
25
AMP
IC2010
HP
J1701
L
R
AUDIO
OPTICAL OUT
SYNC
SEP.
SEP.
Q7013,7016,7017
Q7006-7010
F
TO
BU BOARD
CN1001
BG1 (3/3)
I/O/AUDIO/VSW-TRIDENT/
POWER-DC_ALERT
2
/
/
39,40
9
2
45
41,42
19,20
21,22
VIDEO
AUDIO L
AUDIO R
VIDEO
IC4800
/
/
35
34
Y/CV
C
SDA
SCL
20
19
96
97
XTAL_IN
XTAL_OUT
I2C_DA
I2C_CL
AUDIO L
AUDIO R
Y/CV
C
AUDIO L
AUDIO R
31
25
24
26
J1200
L
R
MONITOR
32
51
52
/
/
/
/
58
57
54
55
/
/
49
50
/
/
46
47
D12V
Q7000
Q7000
Q2042
Q2040
Q2037,2043
Q2045
36
82
83
83
Q2029
Q2046
IC2011
Q2032
Q2030
Q2031
IC2014
IC2003
Q2021,2022
IC2013
D1/D2_IN_Y
D1/D2_IN_CB
D1/D2_IN_CR
– 44 –
KLV-26/32/40/46V300A
RM-GA008
4-2.
CIRCUIT BOARDS LOCATION
G
D
S
B1 E1
C2
B2 C1
E2
G
D
S
B2 E2
C1
B1 C2
E1
B2 E2
C1
B1 C2
E1
B2 E2
C1
B1 C2
E1
B1 E1
E2
C1(B2)
C2
B1
E2
C1
C2
(B2)
E1
(B2)
E1
E2
B1
C2
C1
B1
E1
C2
B2
C1
E2
G
S
S
D
G
D
B1
E1
C2
B2
C1
E2
B1
E2
C2
C1(B2)
E2
B1
C1
C2
E1(B2)
C2
B1
C1
E2
E1(B2)
C2
B1
C1
E2
B2
E1
C2
Transistor
(FET)
(FET)
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Source
Source
Anode
Anode
(NC)
(NC)
Cathode
Anode
Cathode
Common
Cathode
Cathode
Common
Cathode
Cathode
Common
Common
Common
Common
Cathode
Anode
Base
Emitter
Collector
Base
Emitter
Collector
Drain
Gate
Gate
Drain
Device
Printed symbol
Terminal name
Circuit
Anode
Anode
Anode
Cathode
Anode
Anode
Cathode
Transistor
(FET)
(FET)
Transistor
(FET)
(FET)
Emitter
Collector
Base
Transistor
Source
Gate
Drain
Cathode
Anode
Anode
Cathode
Anode
Anode
4-3.
SCHEMATIC DIAGRAM INFORMATION
Note:
•
•
All capacitors are in µF unless otherwise noted.(pF:µµF)
Capacitors without voltage indication are all 50V.
Capacitors without voltage indication are all 50V.
•
Indication of resistance, which does not have one for rating
electrical power, is as follows.
electrical power, is as follows.
Pitch: 5 mm
Rating electrical power 1/4W (CHIP: 1/10W)
Rating electrical power 1/4W (CHIP: 1/10W)
•
All resistors are in ohms.
•
: nonflammable resistor.
•
: fusible resistor
•
¢
: internal component.
•
: panel designation or adjustment for repair.
•
All variable and adjustable resistors have characteristic curve B
unless otherwise noted.
unless otherwise noted.
•
All voltages are in V.
•
: earth-ground
•
: earth-chassis
•
All voltages are in V.
•
Readings are taken with a 10 MΩ digital multimeter.
•
Readings are taken with a color-bar signal input.
•
Voltage variations may be noted due to normal
production tolerances.
production tolerances.
•
✽
: Cannot be measured.
•
NO MARK : PAL
•
Circled numbers are waveform references.
•
: B +bus.
•
: B –bus.
•
k
: signal path.
Reference information
RESISTOR
RESISTOR
: RN
METAL FILM
: RC
SOLID
: FPRD
NONFLAMMABLE CARBON
: FUSE
NONFLAMMABLE FUSIBLE
: RW
NONFLAMMABLE WIREWOUND
: RS
NONFLAMMABLE METAL OXIDE
: RB
NONFLAMMABLE CEMENT
COIL
: LF-8L
MICRO INDUCTOR
CAPACITOR
: TA
TANTALUM
: PS
STYROL
: PP
POLYPROPYLENE
: PT
MYLAR
: MPS
METALIZED POLYESTER
: MPP
METALIZED POLYPROPYLENE
: ALB
BIPOLAR
: ALT
HIGH TEMPERATURE
: ALR
HIGH RIPPLE
Note:
The component identified by shading and
mark
mark
! are critical for safety. Replace only with
part number specified.
Note: The components identified by mark contain
confidential information. Strictly follow the instructions
whenever the components are repaired and /or replaced.
whenever the components are repaired and /or replaced.
H1 Board
U1 Board
BG1 Board
H3 Board
G1H Board
UT Board
H4 Board
H1 Board
U1 Board
BG1 Board
D2 Board (KLV-46V300A)
H3 Board
G3 Board
D1 Board
UT Board
H4 Board
KLV-40/46V300A
KLV-26/32V300A
– 45 –
KLV-26/32/40/46V300A
RM-GA008
4-3-1. BG1 Board – (Block 001)
WAX3 BG1
BOARD
INFORMATION
NO FUNCTION
001 COVER
002 I/O
003 AUDIO
004 MAIN
004 MAIN
MICON
005 VSW - TRIDENT
006 DDR
007 HDMI - PC
008 POWER - DC_ALERT
009 TUNER
Note: “BG1” board is divided into 9 blocks.
Each is named by its function and block “number”.
E.g.: Main MICON
E.g.: Main MICON
( 004 /009), which means block “004” of 009.
Joint connection can be identified using the function name
Eg:--> V_BLK 005:10J
Meaning: Block 004 joint “V_BLK” is connected to
Block 005 joint “V_BLK” located at grid 10J.
BG1
(001/009)
B-WAX3(07)-...-BG1(001)-26/32/40/46V300A
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