Sony KLV-15SR1 Service Manual page 21

(3) Schematic Diagrams of B (a, b, c, d, e) Board
3
1 2
A
GNDD
FROM PS
E5V
TXD
B
TO PW112
ad-15
RXD
TO PW112
C
ab-4 C_SYNC
D
POWER_AV
ac-3
E_DET
CN1
19P
V 52808
E_DET 1
SCL 2
SDA 3
E
#RESET 4
POWER 5
SEL0 6
SEL1 7
SC 8
SI 9
TO A BOARD
S_IN_DET 10
CN102
MUTE_SP 11
SC_F 12
SC_BL 13
F
AGC 14
INITIAL 15
MUTE_LNA 16
#TEXT/RGB 17
V_SEL0 18
V_SEL1 19
V_SEL1
ad-2
V_SEL0
G
PANEL DET
ae-5
POWER_LCD
CN4
6P
V ZH-SM3
RMC 1
TO H3 BOARD LED 2
CN951
E5V 3
GND 4
TO H1 BOARD KEY0 5
CN901
GND 6
H
abcd-6 RESET
I
• Divided circuit diagram
One sheet of B board is circuit diagram is divided into five sheets,
each having the code B-a to B-e. For example, the destination
ab1 on the code B-a sheet is connected to ab1 on the B-b sheet.
a b 1
Ref. No.
Circuit diagram division code
4
5 6
TL2
R77
TL1 R76
1k
10k
TXD
R73 R74 R75
4.7k 100 100
Q2
R71 JR2 R72 2SC2412KR
100 0 4.7k BUFFER
TL72
TL71
TL70
Q1
JR1 TL73
R70
0 2SC2412KR
100 4.7k
BUFFER
RXD
E5V
POWER_AV
A-E_DET
49
SCL_AV
50
SDA_AV
R49 100
#REMOCON
51
#RESET_AV
R64 100
S_IN_DET
52
POWER_AV
53
SEL0
54
SEL1
A-SCF_D1AS R52 100
55
CLK_ATT
A-SCBL_D1IP R54 100
56
DATA_ATT
R86 57
S_IN_DET
10k
58
MUTE_SP
R57 100
A-KEYO
59
A-SCF_D1AS
A-E_DET
60
A-SCBL_D1IP
R59 100
AGC_CAPDET
61
AGC_CAPDET
R61 100
62
INITIAL
R65 100
63
MUTE_LNA
R66 100
64
#TEXT_RGB_SW
R2
2.2k
PANEL_DET
D2
POWER_LCD
MC2840
C1
1
R81
47k
#REMOCON
LED_POWER
E5V
1 3
I O
G
IC3
C7
M51943BML
2 1
A-KEYO 3.3V REG
7 8 9
R78 R80
4.7k
R79
47k
R41 R40 R39
2.2k 2.2k 2.2k
R35
1k
TL11 R38 R37 R36
47k 22k 22k
TL8
TL7
R34 R33 R32
47k 47k 47k
TL6
R46 R45 R44 R43 R42
47k 47k 100 100 100
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
R31
#FPREQ_DVD 47k
HRXD_DVD 32
1.0 R30
0.9
CS_BU2092_DVD 47k
HTXD_DVD 31
0
5.1
#REMOCON CLK_ATT
30
0
3.1 R27 100
DATA_ATT
S_IN_DET
29
0 R28
2.9 R25 100
V_MUTE 47k
AVLINK_IN
28
0
0.9 R23 100
SCL_AV
NC 27
5.1
0
R21 100
SDA_AV
A-SCF_D1AS 26
5.1
0
IC1 R19 100
LED_POWER
A-SCBL_D1IP 25
HD64F3687H
5.1
0 R17 100
SEL1
YRGB_SW_DVD SYSTEM CONTROL 24
5.1
0 R15 100
SEL0
AVLINK_OUT 23
0
4.3
#SYS_M
A-KEY0 22
0
5.1
A-E_DET #TEXT_RGB_SW
21
5.1
0.7 63PIN A-SCF_D1AS
POWER_LCD
AGC_CAPDET
20
64PIN A-SCBL_D1IP 5.1
4.4
POWER_AV
A-AFT
19
5.1
#OPEN-LID_DVD
18
0.9
0 0
#CLOSE-LIN_DVD
17
0.9
0
R84
47k
R85 R13 R18
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
47k 47k 47k
R1
100
R3
1M
C2
0.01 C11
R7 22k
1000p
TL5
X1
16.00MHz
R5
CSTCE V
22k
10 11
12
E5V
SDA_AV
SCL_AV
C8 IC2
0.01 M24C08-WMN6T(A)
25V
NVM
VCC
R68
100
WP
4.9
SCL TL3
4.8
VSS SDA TL4
R69
CLK_ATT
100
DATA_ATT
LED_POWER
SEL1
abd-1 RESET_PW
SEL0
R3.3V R3.3V
#TEXT_RGB_SW
POWER_LCD
POWER_AV
E5V
3.3V
B-a
(SYSTEM CONTROL)
B-SS3666<AEP>-B..-P1
15
13 14
CN2
18P
V 52808
1 GND
TL16
2 UART PWTXD
TL15
3 UART PWRXD
TL18
4 SW H8RXD HOLD
5 E5V
TL17
6 SW H8TXD HOLD
TL20
7 #NMI HOLD
TL21
#RESET MAIN
8
HOLD
TL22
9 UART H8TXD HOLD
TL23
10
UART H8RXD HOLD
11 R3.3V
12 #RESET_PW
13 SW H8TXD HOLD
14 E5V
15 SW H8RXD HOLD
16 UART PWRXD
17 UART PWTXD
18 GND
KLV-15SR1(AEP) 3-7