Sony KLV-26HG2 Service Manual page 128

1 3
2
A
B
R4200
0
:CHIP
JL4200
CLK54M
CLK_SEL
TO(1/3)
CLK48M
JL4201
R4201
C 0
:CHIP
R4202
0
:CHIP
JL4202
D
SDRAM-4
E TO(2/3)
+3.3V
RB4200
47*4
:CHIP
P20
R21
R20
T21
F
RB4201
47*4
:CHIP
U22
R19
V22
T20
RB4202
G
47*4
:CHIP
F20
H21
J20
J21
K19
H20
RB4203
G22
47*4
:CHIP
L20
H
R22
P21
N19
P22
RB4204
47*4
:CHIP
I
SDRAM-7
TO(2/3) SDRAM-1
SDRAM-2
J
K
4 5 6
3.3V
L4200
22 H
+3.3V
IC4201
1
MS_SEL
CY27027ZCT
R4205
47
C4200
:CHIP
0.1
GND AUDCLK CLK12M
16V
1.6 R4204 R4206
F:CHIP
VDD MSSEL 0 47
JL4204
0 :CHIP :CHIP
CLK66M_RE
XIN ASICCLK
1.5 1.5
VIDCLK CPUCLK CLK66M_RO
1.5 1.5 R4207
JL4205
AUSEL VDD
47
C4210
0
:CHIP
0.1
USBCLK GND
16V
1.5
R4203
F:CHIP
GND SSSEL
0
0
:CHIP
VDD MSCLK CLK20M TO(1/3)
C4201
1.5
R4208
JL4206
0.1
47
16V
:CHIP
F:CHIP
VDD CONT
OUT
C4202
0.1 X4200
16V
54MHz
F:CHIP
3.3V
FB4200
TO(2/3) SDRAM-5
IC4200
MT48LC8M16A2TG-75-Y95W
SDRAM
RB4205
47*4
:CHIP
VSS
VCC
8
7 Y21
DQ15
DQ0
5 6 AA22
VSSQ
VCCQ
4
3 V20
DQ14
DQ1
2 U19
1
DQ13
DQ2
VCCQ
VSSQ RB4206
47*4
DQ12
DQ3
:CHIP
7 8
W21
DQ4 DQ11
5 6 T19
VCCQ VSSQ
4 W22
3
DQ5 DQ10
1 2 U21
DQ9
DQ6
VCCQ
VSSQ
R4209 0 :CHIP
DQ7 DQ8
VCC VSS
RB4207
47*4
LDQM NC
:CHIP
8
7 E21
/WE UDQM
5 6 G19
CLK
/CAS
4 K20
3
/RAS CKE
JL4203
1 2 L22
/CS NC
BA0 A11
8
7 L21
BA1 A9
5 6 M22
A10
A8
RB4208
3 4 M20
47*4
A0 A7
:CHIP
1 2 M19
A1 A6
7 8 N21
A2 A5
5 6
N20
A3 A4
4
3
VCC VSS
1 2
RB4209
47*4
:CHIP
C4204 C4206 C4208 C4211
0.1 0.1 0.1 0.1
16V 16V 16V 16V
F:CHIP F:CHIP F:CHIP F:CHIP
C4203 C4205 C4207 C4209
22 0.1 0.1 0.1
10V 16V 16V 16V
F:CHIP F:CHIP F:CHIP F:CHIP
7 8 9
R4213
R4221
0 0
R4222
R4214
0
0
TO(1/3)
R4215 R4223
XX XX
R4216 R4224
TO(2/3)
XX
XX
R4217 R4225
0 0
R4218 R4226
0 0
R4219
R4227
0 0
R4220 R4228
0 0
3.3V
FB4201
+3.3V
IC4202
MT48LC8M16A2TG-75-Y95W
SDRAM
RB4210
47*4
:CHIP
VSS
VCC
W20
DQ15
DQ0
AA21
VSSQ
VCCQ
Y20
DQ14
DQ1
AA20
DQ13
DQ2
VCCQ
RB4211 VSSQ
47*4
DQ12
DQ3
:CHIP
Y19
DQ4 DQ11
AB20
VCCQ VSSQ
AA19
DQ5 DQ10
Y18
DQ9
DQ6
VCCQ
VSSQ
DQ7 DQ8
RB4212
47*4
VCC VSS
:CHIP
D22
LDQM NC
H21
/WE UDQM
J20
CLK
/CAS
J21
/RAS CKE
JL4207
K19
/CS NC
H20
BA0 A11
RB4213
G22
47*4
BA1 A9
:CHIP
L20
A10
A8
R22
A0 A7
P21
A1 A6
N19
A2 A5
P22
A3 A4
VCC VSS
RB4214
47*4
:CHIP
C4213 C4215 C4217
0.1 0.1 0.1
16V 16V 16V
F:CHIP F:CHIP F:CHIP
C4212 C4214 C4216
22 0.1 0.1
10V 16V 16V
F:CHIP F:CHIP F:CHIP
10
11 12
TO(1/3,2/3)
FA
RB4215
47*4
MBM29LV160BE
:CHIP
-90PFTN-11904
8 7 AA16 FLASH ROM
6
5 AB17
B6
A15
4 3 Y16
C7
A14
2 AA17
1
A6
A13
RB4216 B7
A12
47*4
A7
:CHIP
8 7 A11
Y17
C8
A10
6 5 AA18
B8
A9
4 3 AB19
D9
A8
2 1 W17
A4
A19
R4211
D6
XX
N.C.1
R4210 0 :CHIP
TO(2/3) J4 WE
RB4217
TO(1/3,2/3) Y10 RESET
47*4
:CHIP
8 JL4208 N.C.2
7 F19
R4212
XX
6 N.C.3
5 G19
JL4209
RY#/BY#
4 3 K20
B5
A18
2 1 L22
C6
A17
C9
8 A7
7 L21
B9
A6
6 5 M22
A10
RB4218
A5
4 3 M20
47*4
D10
:CHIP
A4
2 1 M19
C10
A3
8 7 N21
B10
6 5 A2
N20
A11
A1
4 3
2 1
RB4219
47*4
:CHIP
SDRAM-6
TO(2/3)
SDRAM-3
C4219
0.1
16V
F:CHIP
C4218
0.1
16V
F:CHIP
15
13 14
• MS(3/3) BOARD WAVEFORM
1
0.5 Vp-p (54MHz)
3.3V
FB4202
+3.3V
C4220
22
IC4203
10V
F:CHIP C4221
0.1
16V
F:CHIP
FD
D7
A16 TO(1/3,2/3)
C4222
BYTE
0.1
16V
VSS2
F:CHIP
L4
DQ15/A_1
N4
DQ7
L3
DQ14
N1
DQ6
L2
DQ13
P1
DQ5
L1
DQ12
P3
DQ4
VCC
M2
DQ11
P4
DQ3
M3
DQ10
R2
DQ2
N2
DQ9
R3
DQ1
N3
DQ8
T1
DQ0
DIR
OE
VSS1
CE J2
C11
TO(2/3)
A0
BUS CTL
TO(1/3,2/3)
MS(3/3)
(RAM,ROM)
B-SS11932<UC.>-MS.-P3
KLV-26HG2 (UC) 3-31