Sony KLV-32M300A / KLV-37M300A Service Manual ▷ View online
KLV-32/37M300A
20
5-1-2. KLV-37M300A
(IR Board)
H2
(Power
Board)
Board)
G
(Function
Board)
Board)
(Headphone
Board)
Board)
H1
(Main
Board)
Board)
A
H3
KLV-32/37M300A
21
5-2. Frame Diagram
CN201
PWR_30V 14
GND 13
PWR_15V 12
PWR_15V 11
GND 10
GND 9
PWR_PANEL 8
PWR_PANEL 7
GND 6
GND 5
PWR_6V 4
PWR_6V 3
GND 2
GND 1
GND 13
PWR_15V 12
PWR_15V 11
GND 10
GND 9
PWR_PANEL 8
PWR_PANEL 7
GND 6
GND 5
PWR_6V 4
PWR_6V 3
GND 2
GND 1
4VSB 8
4VSB 7
GND 6
GND 5
GND 4
4VSB 3
PWR_ERR_DET
PSON 1
4VSB 7
GND 6
GND 5
GND 4
4VSB 3
PWR_ERR_DET
PSON 1
CN202
CN201
CN202
G
(Power Board)
(Main Board)
A
(2970063604)
14 PWR_30V
13 GND
12 PWR_15V
11 PWR_15V
10 GND
9 GND
8 PWR_PANEL
7 PWR_PANEL
6 GND
5 GND
4 PWR_6V
3 PWR_6V
2 GND
1 GND
13 GND
12 PWR_15V
11 PWR_15V
10 GND
9 GND
8 PWR_PANEL
7 PWR_PANEL
6 GND
5 GND
4 PWR_6V
3 PWR_6V
2 GND
1 GND
8 4VSB
7 4VSB
6 GND
5 GND
4 GND
3 4VSB
2 PWR_ERR_DET
1 PSON
7 4VSB
6 GND
5 GND
4 GND
3 4VSB
2 PWR_ERR_DET
1 PSON
CN203
10 24V
9 24V
8 24V
7 24V
6 24V
5 GND
4 GND
3 GND
2 GND
1 GND
9 24V
8 24V
7 24V
6 24V
5 GND
4 GND
3 GND
2 GND
1 GND
14 Reserved
13 LCD Bright
12 Enable
11 Reserved
10 GND
9 GND
8 GND
7 GND
6 GND
5 VDDB
4 VDDB
3 VDDB
2 VDDB
1 VDDB
13 LCD Bright
12 Enable
11 Reserved
10 GND
9 GND
8 GND
7 GND
6 GND
5 VDDB
4 VDDB
3 VDDB
2 VDDB
1 VDDB
Inverter
CN1
GND 5
PWM 4
BLCON 3
BLEN 2
P_STS 1
PWM 4
BLCON 3
BLEN 2
P_STS 1
CN401
GND 6
ADC1 5
ADC2 4
DET 3
3.3V 2
GND 1
ADC1 5
ADC2 4
DET 3
3.3V 2
GND 1
CN404
GND 8
IR 7
3.3V 6
GND 5
ALED 4
GLED 3
SLED 2
PLED 1
IR 7
3.3V 6
GND 5
ALED 4
GLED 3
SLED 2
PLED 1
CN409
CN402
1 R_P
2 GND
3 R_N
CN803
CN801
CN802
1 L_N
2 L_P
1 HPL
2 HP
3 GND
4 HPR
2 HP
3 GND
4 HPR
1 HPL
2 HP
3 GND
4 HPR
2 HP
3 GND
4 HPR
H3
(Headphone Board)
(2970064201)
H1
(Function Board)
H2
(IR Board)
1 GND
2 ADC1
3 ADC2
4 DET
5 3.3V
6 GND
7 GND
2 ADC1
3 ADC2
4 DET
5 3.3V
6 GND
7 GND
1 GND
2 IR
3 3.3V
4 GND
5 ALED
6 GLED
7 SLED
8 PLED
2 IR
3 3.3V
4 GND
5 ALED
6 GLED
7 SLED
8 PLED
TX1P 2 1 VPNL
TX1N 4 3 VPNL
GND 6 5 VPNL
TXCKP 8 7 VPNL
TXCKN 10 9 VPNL
GND 12 11 GND
TX0P 14 13 GND
TX0N 16 15 GND
GND 18 17 GND
TX2P 20 19 LCS
TX2N 22 21 ODSEL
GND 24 23 SELLVDS
TX3P 26 25 RPF
TX3N 28 27 RESERVED
GND 30 29 GND
TX1N 4 3 VPNL
GND 6 5 VPNL
TXCKP 8 7 VPNL
TXCKN 10 9 VPNL
GND 12 11 GND
TX0P 14 13 GND
TX0N 16 15 GND
GND 18 17 GND
TX2P 20 19 LCS
TX2N 22 21 ODSEL
GND 24 23 SELLVDS
TX3P 26 25 RPF
TX3N 28 27 RESERVED
GND 30 29 GND
PANEL
1 Reserved
2 Reserved
3 Reserved
4 GND
5 RIN0-
6 RIN0+
7 GND
8 RIN1-
9 RIN1+
10 GND
11 RIN2-
12 RIN2+
13 GND
14 RCLK-
15 RCLK+
16 GND
17 RIN3-
18 RIN3+
19 GND
20 Reserved
21 LVDS Option
22 Reserved
23 GND
24 GND
25 GND
26 VCC
27 VCC
28 VCC
29 VCC
30 VCC
2
CN9100
CN82
CN901
KLV-32/37M300A
22
5-3. BLOCK DIAGRAM
IC402
SCALER
FLI8548
LVDS
PANEL
IC401
EEPROM
EEPROM
IC802
AUDIO
PROCESSOR
MSP4410
AUDIO
PROCESSOR
MSP4410
IC803
EARPHONE
AMP.
MAX9722
EARPHONE
AMP.
MAX9722
IC804
AUDIO AMP
TPA3100
10W
TUNER_SIF
COMP2 YPBPR
TM702
PA TUNER
PA TUNER
IC805
MM1510
MM1510
INVERTER
10W
CN804
Audio Out
Audio Out
I2S
CN702
S+AV 1/2 IN
S+AV 1/2 IN
CN601
HDMI
HDMI
CN703
COMPONENT1
COMPONENT1
CN704
COMPONENT2
COMPONENT2
CN705
DSUB
DSUB
CN701
HDMI AUDIO IN
CN804
VIDEO/AUDIO OUT
VIDEO/AUDIO OUT
CN706
VGA AUDIO IN
VGA AUDIO IN
SV1 Y/C
SV2 Y/C
SV2 Y/C
AV2
AV1
AV1 L/R
AV2 L/R
AV2 L/R
COMP1 YPBPR
COMP1 L/R
COMP1 L/R
COMP2 L/R
RGBHV
VGA L/R
HDMI L/R
FLASH
IC503
IC503
DDR
IC501
IC502
IC501
IC502
+3.3V
+2.6V
IC801
SWITCH
NJM2750
SWITCH
NJM2750
HDMI L/R
AV1 L/R
AV2 L/R
VGA L/R
COMP1 L/R
COMP2 L/R
CN804
Video Out
Video Out
HDMI SIGNAL
HDMI SIGNAL
TV SIGNAL
TV SIGNAL
TUNER_SIF
SV1 Y/C
SV2 Y/C
AV2
AV1
COMP1 YPBPR
COMP2 YPBPR
+8V
+5V
+8V
+5V
+8V
+5V
+5V
+3.3V
+30V +5V
+1.8V +2.6V +3.3V
POWER
G
(
)
BOARD
PANEL POWER
30V (for Tuner)
PANEL POWER
4VSB
IC209
LD29150
ADJ=>3.3V
LD29150
ADJ=>3.3V
3.3V
IC213
LD1117-1.8
LDO=>1.8V
LD1117-1.8
LDO=>1.8V
IC202
LD29150
ADJ=>2.6V
LD29150
ADJ=>2.6V
2.6V
IC204
LD29150
ADJ=>1.8V
LD29150
ADJ=>1.8V
1.8V
IC203
LD29150
ADJ=>3.3V
LD29150
ADJ=>3.3V
3.3V
IC208
AP1117
ADJ=>8V
AP1117
ADJ=>8V
8V
IC210
LD29150
ADJ=>5V
LD29150
ADJ=>5V
5V (for Tuner)
15V
6V
5V
IC212
LD29150
ADJ=>5V
LD29150
ADJ=>5V
1.8V
+3.3V
+3.3V
H2
(IR Board)
H1
(Function Board)
H3
(Headphone Board)
KLV-32/37M300A
23
5-4. SCHEMATIC
Mounted PWB A Board (Main Board) (1/11) POWER-1
SHORT_PROTECT
SHORT_PROTECT
SHORT_PROTECT
SHORT_PROTECT
3.3V_I/O_CORTEZ
[5,8,9]
3.3V_RPLL
[6,9]
3.3V_LVDS
[5,9]
3.3V_LVDS_PLL
[9]
3.3V_FLASH
[4,5,8]
4VSB
[2,3,6,11]
2V6DDR
[7,9]
3.3V_KEY_IR_LED
[2,8]
4VSB
[2,3,6,11]
1.8V_CORE
[9]
1.8V_RPLL
[9]
1.8V_DLL
[9]
3.3V_LBADC
[9]
3.3VA_ADC
[9]
3.3VB_ADC
[9]
3.3VSC_ADC
[9]
3.3VC_ADC
[9]
3.3V_ADC
[9]
1.8V_ADC
[9]
1.8V_HDMI
[6]
3.3V_HDMI
[6]
4VSB [2,3,6,11]
PSON
[6]
PWR_ERR_DET
[6,8]
PWR_30V
[2,4]
3.3V
[2,3,5,6]
PWR_6V
[2,8]
PWR_PANEL
[5]
PWR_15V
[2,11]
4VSB [2,3,6,11]
4VSB [2,3,6,11]
4VSB
[2,3,6,11]
4VSB
[2,3,6,11]
4VSB
[2,3,6,11]
4VSB_IC209
[2]
Vout = 1.23 * (1 + (12K//4.7K)/(1K+1K)) = 3.30V
Vout = 1.23 * (1 + (12K//2.74K)/(1K+1K)) = 2.60V
Vout : 3.265 ~ 3.348V
Vout : 2.579 ~ 2.634V
330mA
1.25A
35mA
22mA
35mA
22mA
100mA
80mA
12mA
110mA
12mA
30mA
12mA
80mA
12mA
110mA
12mA
30mA
12mA
Vout = 1.23 * (1 + (12K//4.7K)/(1K+1K)) = 3.30V
Vout : 3.265 ~ 3.348V
100mA
22mA
PSON
ON
OFF
OFF
Lo
Hi
314mA
263mA
FOR PA MODEL ONLY
+
C2005
470uF/25V
+
C2101
0.
1uF/X7R
L201
120
TP201
L222
120
R2042
1K/1%
L230
120
C2100
0.
1uF/X7R
D204
RGP20A-GP20
L220
120
C2051
0.1uF/100V
0.1uF/100V
IC209
LD29150PT
INH
INPUT
GND
OUTPUT
ADJ
R2049
18K
18K
R2014
12K/1%
C2008
0.1uF/X7R
TP213
C2012
10uF/16V
0805
R2007
12K/1%
+
C2007
100uF/16V
+
C2021
0.1uF/X7R
0.1uF/X7R
Q206
MMBT3904
MMBT3904
C
B
E
C2037
0.1uF/X7R
R2006
1K/1%
R2046
27K
R2041
4.7K/1%
R2005
1K/1%
C2001
0.
1uF/X7R
L207
6.6UF
6.6UF
R2044
1R
TP206
L216
120
R2033
120K
120K
C2106
0.
1uF/X7R
+
C2013
100uF/16V
100uF/16V
6.3*7
+
R2018
150K
L224
120
L227
100
0805
+
C2019
470uF/16V
+
Q202
MMBT3906
MMBT3906
C
E
B
TP218
C2018
0.1uF/X7R
D203
1N4148WS
+
C2038
100uF/16V
6.3*7
+
L218
120
L209
100
0805
R2012
10K
IC204
LD29300P2M18
LD29300P2M18
INH
INPUT
GND
OUTPUT
ADJ
TH
L211
100
0805
+
C2059
100uF/16V
6.3*7
+
+
C2006
100uF/50V
+
L214
120
C2024
NC/1uF/16V
NC/1uF/16V
R2009
1K/1%
R2027
1K/1%
C2102
0.
1uF/X7R
CN201
A2501WV2-14P-BS-GP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
L223
120
+
C2060
100uF/16V
6.3*7
+
Q201
DTC115EKA
Vin
GND
Vout
C2103
0.
1uF/X7R
R2008
4.7K/1%
D205
1N4148WS
L217
120
L221
120
L253
10uH
R2036
6.8K
6.8K
C2011
1000pF
L237
100
0805
C2042
0.1uF/X7R
R2035
NC/0R
L204
6.6UH
6.6UH
L229
120
R2034
12K
12K
Q205 DTA144EKA
Vin
GND
Vout
C2010
0.1uF/X7R
+
C2014
100uF/16V
6.3*7
+
IC213 AIC1117-1.8V
Vin
ADJ
Vout
TH
D201
1N4148WS
+
C2058
100uF/50V
+
R2045
10K
R2002
0.68R/2W
+
C2017
100uF/16V
+
L202
6.6UF
6.6UF
C2023
1uF/16V
R2004
2.74K/1%
C2022
1uF/16V
1uF/16V
L213
120
C2052
1000pF/100V
R2016
150K
R2048
22R
22R
R2003
12K/1%
C2016
0.1uF/X7R
R2011
10K
L203
6.6UH
6.6UH
L219
100
100
0805
D202
1N4148WS
L212
100
100
0805
C2104
0.
1uF/X7R
L215
120
+
+
C2063
100uF/16V
6.3*7
C2057
0.
1uF/X7R
R2047
10K
10K
L210
100
0805
+
C2002
22uF/16V
22uF/16V
+
CN202
A2501WV2-8P-BS-GP
1
2
3
4
5
6
7
8
R2013
2.2R/1W
+
C2004
470uF/16V
+
+
C2009
100uF/16V
+
L235
120
C2062
0.1uF/X7R
R2017
10K
R2030
150K
L206
6.6UH
6.6UH
R2043
1R
1206
L228
120
C2061
0.1uF/X7R
R2010
1K/1%
TP207
Q203
MMBT3904
C
B
E
R2015
100R
IC203
LD29150PT
INH
INPUT
GND
OUTPUT
ADJ
C2015
0.1uF/X7R
0.1uF/X7R
C2105
0.
1uF/X7R
+
C2003
470uF/16V
+
C2020
0.1uF/X7R
0.1uF/X7R
L233
100
0805
IC202
LD29150PT
INH
INPUT
GND
OUTPUT
ADJ
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