DOWNLOAD Sony CPD-G420 (serv.man2) Service Manual ↓ Size: 4.1 MB | Pages: 61 in PDF or view online for FREE

Model
CPD-G420 (serv.man2)
Pages
61
Size
4.1 MB
Type
PDF
Document
Service Manual
Brand
Device
Monitor
File
cpd-g420-sm2.pdf
Date
PREV: Sony CPD-G420 Service Manual

Sony CPD-G420 (serv.man2) Service Manual ▷ View online

5-1
5-2
SECTION  5
DIAGRAMS
5-1. BLOCK  DIAGRAMS
A
TO D BOARD
CN1102
2
4
6
7
8
25
28
31
22
23
24
23
22
10
12
14
15
16
B1
G1
R1
V1
H1
OSD R
OSD G
OSD B
OSD BLK
V_DET
BLK
CLAMP
H OUT
V OUT
G.SYNC
R OUT
G OUT
B OUT
26
28
30
8
9
11
7
4
2
R OUT
G OUT
B OUT
5
3
1
R OUT
G OUT
B OUT
R IN
G IN
B IN
R IN
G IN
B IN
COF R
COF G
COF B
SCL
SDA
B2
G2
R2
V2
H2
13
22
23
SW
SCL
SDA
HD15
5
4
3
2
1
10
15
9
14
8
13
7
12
6
11
INPUT1
(HD15)
INPUT2
(HD15)
CN309
HD15
5
4
3
2
1
10
15
9
14
8
13
7
12
6
11
IC003
OSD
IC008
INPUT SELECT
IC001
RGB PRE-AMP
IC002
RGB AMP
15
14
13
12
18
20
19
21
12
11
10
14
3
5
7
4
5
2
32
31
30
4
3
12
13
27
25
24
23
15
14
13
ROUT
GOUT
BOUT
SOG
SYNC IN
RCI
GCI
BCI
XTAL IN
HS OUT
VS OUT
ECO SW
SCL
SDA
HS OUT
VS OUT
ECO SW
SCL
SDA
SCL
SDA
HS OUT
VS OUT
ECO SW
HS IN
VS IN
CS IN
RIN
GIN
BIN
IC004
CUT OFF AMP
IC011
HEATER REG
X001
24.5MHz
18
19
21
H FLY
OSD R
OSD G
OSD B
OSD BLK
AV
BLK
CLP
BUFFER
Q101,
Q201,
Q301
1
2
4
6
7
8
9
+B
+B
+80V
+12V
7V
3.3V
5V
+B
+80V
+12V
7V
3.3V
5V
CN312
G2
1
G2
CN318
5
3
1
7
KR
KG
KB
HEATER+
CN315
5
3
1
7
KR
KG
KB
HEATER+
FV
FC
HV
CN318
V901
PICTURE TUBE
7
10
17 18
11 10
2
C
TO D BOARD
CN604
TO D BOARD
FBT
A1
(VIDEO AMP, RGB OUT)
R_IK
G_IK
B_IK
Vcc
OUT
VADJ
7V
9
10
11
6
7
8
1
4
15
16
2
3
13
DDC GND1
DDC SCL1
DDC SDA1
DDC GND2
DDC SCL2
DDC SDA2
H BLK
INPUT SW
IIC SCL
IIC SDA
HS OUT
VS OUT
ECO SW
CN311
CN306
1
2
13
12
IC006
INVERTER
IC007
ROM
3
4
11
10
9
8
5
6
SDA
SCL
VCLK
5
6
7
IC009  ROM
SDA
SCL
VCLK
5
6
7
B
2
3
4
DDC SCL1
DDC SDA1
HOST GND
8
9
2
4
6
VD1
HD1
BLUE1
GREEN1
RED1
CN305
2
4
IC005
INVERTER
[#3  AEP]
[NH]
CN307
HD15
5
4
3
2
1
10
15
9
14
8
13
7
12
6
11
INPUT1(HD15)
5BNC
INPUT2
(BNC)
8
9
2
4
6
VD2
HD2
BLUE2
GREEN2
RED2
CN313
R
G
B
HD
VD
[#3  AEP]
LED DRIVE
Q1400
D1400
A
G
LED DRIVE
Q1401
POWER
S1402
CONTROL /
CONTRAST
H1
(USER CONTROL)
2
3
4
5
8
WAKE UP
KEY SCAN
LED1
LED2
INPUT SW
CN1400
D
TO D BOARD
CN1103
Q1402
S1401
S1403
PICTURE
MODE
S1400
MENU
5V
INPUT1
INPUT2
SW
Q004
SW
Q005
SW
Q002
SW
Q001
[#3  AEP]
5-3
5-4
POWER SW
Q2601
IC2602
IC2603
POWER SW
Q2602
POWER SW
Q2603
POWER SW
Q2604
1
2
3
V BUS
D–
D+
CN2901
41
40
37
42
43
3
2
2
6
1
5
10
15
9
14
31
32
10
11
12
12
17
4
8
13
35
36
4
5
7
6
25
24
I
VC
O
G
DP1
DM1
DM2
DP2
DM0
DP0
DP3
DM3
DM4
DP4
IC2601
5V-REG
O
I
G
IC2902
RESET
X2901
12MHz
5V
IC2901
USB CONT
IC2602
4 OUTPUT VOLTAGE REGULATOR
5V
3
2
1
D+1
D–1
V BUS1
CN2902
D+3
D–3
V BUS3
CN2904
1
2
3
3
2
1
1
2
3
OVR-1
OVR-2
POW-1
POW-2
POW-3
POW-4
OVR-3
OVR-4
V BUS2
C–2
D+2
CN2903
V BUS4
C–4
D+4
CN2905
B-SS3540<NH.>-BD2-EPS05
US
(USB CONTROL)
RST
XIN
XOUT
7V
7V
CN2601
1
2
FLG1
FLG2
VC1
VC2
VOUT1
VOUT2
FLG3
FLG4
VC1
VC2
VOUT3
VOUT4
H
TO D BOARD
CN605
G
TO D BOARD
CN502
1
33
37
34
36
15
11
13
7
20
19
22
24
16
21
23
2
38
39
40
32
35
5
12
10
H.DF
REFDC
XDC
HD OUT
HFBP
H BLK
VS OUT
HS OUT
PLL LOCK
IIC SDA
IIC SCL
LCC_NS(NC)
HSAW_SW
H.LINBAL
GYSC
GXSC
V.DF
D.TILT
YSC
XSC
HSHAPE
YDC
POC
DCC2
VSAWN
CN1101
7
5
6
+ 
–
2
3
4
+ 
–
IC1102
AMP
DA
(DPU)
N
(
µ
-COM)
IC1001
CPU
1
2
3
21
23
35
36
38
39
40
41
43
44
45
48
49
50
51
52
53
54
63
27
26
64
58
59
IC1101
DPU
HDF1
DCC2
XDC
HDOUT
FBP-IN
H BLK
V-IN
H-IN
LOCK-DET
SDA
SCL
LCC_NS
HSAW_SW
PWM2
GYSC
GXSC
VDF
VKEY
YSC
XSC
HSHAPE
YDC
POC-OUT
POC-IN
DCC
ASW1
ASW2
P12/A10/AD10
P11/A9/AD9
P10/A8/AD8
RESET
X2
X1
64
63
62
46
7
6
5
IC1003
ROM
WC
SCL
SDA
5V
IC1002
RESET  
I
G
O
41
43
X1001
16.9344MHz
INVERTER
Q1001
CN1001
I
TO D BOARD
CN1104
32
7
9
11
13
15
17
29
1
3
2
4
35
33
31
39
40
6
8
10
12
14
16
18
24
26
28
23
25
30
36
5
LB DET
DDC SDA1
DDC SCL1
DDC GND1
DDC SDA2
DDC SCL2
DDC GND2
INPUT SW
IIC SDA
IIC SCL
TXD
RXD
KEY SCAN
LED1
LED2
PLL LOCK
POC
HV DET
ABL DET
G2
S6
S5
S4
S3
S2
S1
S0
PWR SW
DGC SW
V.FBP
WAKE UP
ECO SW
P42/AN10
P86/SDA1
P87/SCL1
P21/A1/A17
P84/SDA2
P85/SCL2
P20/A0/A16
P27/A7/A23
P80/SDA0/SI0
P81/SCL0/SO0
P82/TXD0
P83/RXD0
P42/AN11
P26/A6/A22
P25/A5/A21
P76/SCK0/INT3
P73/TB01N0/IN5
P57/AN07
P40/AN08
P70/TA1OUT
P36/TA7OUT
P35/TA61N
P34
P33/MAIT
P32/HWR
P31/WR
P30/RD
P04/AD4
P06/AD6
P61/CTS0
P51/AN01
P60/INT0
21
51
52
71
49
50
70
80
35
36
37
38
23
79
78
34
31
19
20
28
7
6
5
4
3
2
1
58
60
10
13
9
5-5
5-6
+
–
T504
:HST
L502
:HLC
IC501  PWN CONT
T501
:HDT
T503
:LCT
15V
H DRIVE BUFF
Q501-503
RELAY DRIVE
Q611
H DRIVE
Q504
H OUT
Q505
HV OUT
Q902
HV REG SW
Q901
+B
BUFF
Q507
S CAP
CANGE
Q511-516
5
3
1
2
4
8
OUT
ISENS
IC630  REG
7
5
16
15
14
13
11
9
7
6
14
11
12
18
3
10
9
IC503  AMP
7
5
6
+ 
–
H LIN BAL SW
Q510
1
4
DGC
DGC
CN601
1
2
3
AC L
NC
AC N
CN602
F601
D610
AC RECT
D650
RY603
RY602
T601
:LFT
AC IN
DGC
THP601
TH601
VCC SW
Q610
IC701  CY AMP
D.TILT
YSC
YDC
REFDC
IC654
12V REG
+12V
IC610  PFI
T620
4
3
2
1
8
5
T630  :SRT
6
3
4
6
7
INA–
INA+
INB+
INB–
1
2
8
9
IOUTA
OUTA
OUTB
IOUTB
IC901  HV CONT
14
11
12
10
3
5
+
–
Width
XDC
XSC
IC702  CY AMP
5
4
3
2
10
–IN A (X)
+IN A (X)
+IN B (Y)
–IN B (Y)
STBY
6
1
OUT A (X)
OUT  B (Y)
T901
:FBT
TO
PICTURE TUBE
TO
PICTURE
TUBE
TO
PICTURE 
TUBE
HV
FV
FC
G2
CN510
V DY
H DY
CN501
B
H
10
9
8
7
6
5
4
3
2
1
ROTATION+
ROTATION–
XSC–
XSC+
YSC–
YSC+
XDC–
XDC+
YDC–
YDC+
CN701
1
2
4
6
7
8
9
+B
+B
+80V
+12V
7V
3.3V
5V
CN604
17
13
14
15
16
11
12
1
4
2
8
6
T902
:HRC
PIN OUT
Q506
PIN DRIVE
Q508-509
+B
S501
(RASTER CENTER TAP SWITCH)
L510
:HOC
1
2
4
6
1
V+
V–
H–
H+
D
DEFLECTION , HDF, VDF,
HV, POWER SUPPLY
H SAW GEN
B-SS3540<NH.>-BD3-EPS05
S601
L610
AFC
AC SEN
DRAIN
L SEN
CATHODE
3
1
8
9
1
5 10
3
2
REG SW
Q630
COMP
FB
RT/CT
VREF
16
15
14
10
12
9
2
1
VG (H)
VS
VB
VC2
VG (L)
OCP
IC620  REG  OUT
FB
VSENSE
4
3
3
2
1
1
PH630
IC680
4
3
2
1
PH610
4
3
2
1
PH620
+B
+15V
5V
3.3V
+80V
-15V
7V
+15V
D652
5V
3.3V
IC652
3.3V/5.5V REG  
CTL
Vcc
4
1
5
2
PROTECT
Q652
1
2
L509
:HCC
ERRIN
REFIN
HDIN
MIX–
MIX+
VREG9
PWMOUT
MIXOUT
ERROUT
IC703
ROTATION DRIVE
4
2
1
+
–
3.3V
3.3V
ROTATION
1
7
5
3
6
+
–
OUT
IC401  V OUT
H DF OUT
Q701-705
V DF OUT
Q706, 707
T701
:DFT
CN605
1
2
7V
7V
+B
+80V
+12V
7V
3.3V
5V
7V
IIC SDA
IIC SCL
TXD
RXD
WAKE UP
KEY SCAN
LED1
LED2
PLL LOCK
POC
HV DET
ABL DET
G2
S6
S5
S4
S3
S2
S1
S0
PWR SW
DGC SW
V.FBP
IIC SCL
IIC SDA
VSOUT
HSOUT
H BLK
GXSC
GYSC
LCC NS
PLL LOCK
POC
H.DF
V.DF
VSAWN
DCC2
H.LINBAL
HSHAPE
REFDC
HD OUT
YDC
HFBP
XDC
D.TILT
YSC
XSC
G
TO DA BOARD
CN1101
19
20
11
13
15
21
23
22
7
5
1
2
10
12
16
24
32
33
34
35
36
37
38
39
40
IIC SCL
IIC SDA
VSOUT
HSOUT
H BLK
GXSC
GYSC
LCC NS
PLL LOCK
POC
H.DF
V.DF
VSAWN
DCC2
H.LINBAL
HSAW_SW(NC)
HSHAPE
REFDC
HD OUT
YDC
HFBP
XDC
D.TILT
YSC
XSC
CN502
TO US BOARD
CN2601
C
TO A1 BOARD
CN312
11
10
9
8
7
6
13
4
16
15
3
2
1
DDC SDA1
DDC SCL1
DDC GND1
DDC SDA2
DDC SCL2
DDC GND2
ECO SW
INPUT SW
IIC SDA
IIC SCL
VS OUT
HS OUT
H BLK
CN1102
A
TO A1 BOARD
CN311
2
3
4
5
8
WAKE UP
KEY SCAN
LED1
LED2
INPUT SW
CN1103
D
TO H1 BOARD
CN1400
CN1101
4
3
TXD
RXD
ECS
+15V
DGC SW
PWR SW
H.DF
V.DF
HFBP
DCC2
VSAWN
V.FBP
HV DET
ABL DET
G2
HD OUT
HSHAPE
S1
S2
S3
S4
S5
S6
H.LINBAL
H LIN BAL DRIVE
Q518, 520
IC640
+B DETECT ERROR AMP
G2 OUT
Q905
G2 MUTE
Q906
G2 MUTE
Q907
SIZE DETECT BUFF
Q519
H-SIZE FILTER SW
Q523
H-SIZE FILTER SW
Q524
MAIN CONVERTER
OUT
Q641
MAIN CONVERTER
OUT
Q640
IIC SDA
IIC SCL
VS OUT
HS OUT
H BLK
TXD
RXD
WAKE UP
KEY SCAN
LED1
LED2
I
TO N BOARD
CN1001
32
7
9
11
13
15
17
5
29
1
3
2
4
36
35
33
31
39
40
6
8
10
12
14
16
18
24
26
28
23
25
30
LB DET
DDC SDA1
DDC SCL1
DDC GND1
DDC SDA2
DDC SCL2
DDC GND2
ECO SW
INPUT SW
IIC SDA
IIC SCL
TXD
RXD
WAKE UP
KEY SCAN
LED1
LED2
PLL LOCK
POC
HV DET
ABL DET
G2
S6
S5
S4
S3
S2
S1
S0
PWR SW
DGC SW
V.FBP
CN1104
5-7
5-8
5-2. FRAME  SCHEMATIC  DIAGRAM
AC IN
D
HV
DEFLECTION,HDF,VDF,
HV, POWER SUPPLY
H
G1 G2
HG
RGB
PICTURE
TUBE
1.2kV
CN504
1P
1
INPUT2
(HD15)
CN309
HD15D-SUB
5
4
3
2
1
10
9
8
7
6
15
14
13
12
11
INPUT1
(HD15)
HD15D-SUB
5
4
3
2
1
10
9
8
7
6
15
14
13
12
11
1
2
CN318
2P
G2
G2(NC)
CN1001
44P
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
NC
GND
NC
NC
POC
PLL LOCK
GND
S7
WAKE UP
KEY SCAN
IK SIGMA
LED1
LB DET
LED2
V.FBP
INPUT SW
S0
+5V
S1
DGC SW
S2
PWR SW
GND
HTR SW
GND
GND
S3
DDC GND2
S4
DDC SCL2
S5
DDC SDA2
S6
DDC GND1
G2
DDC SCL1
ABL DET
DDC SDA1
HV DET
ECO SW
RXD
IIC SCL
TXD
IIC SDA
CN1104
44P
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
NC
GND
NC
NC
POC
PLL LOCK
GND
S7
WAKE UP
KEY SCAN
IK SIGMA
LED1
LB DET
LED2
V.FBP
INPUT SW
S0
+5V
S1
DGC SW
S2
PWR SW
GND
HTR SW
GND
GND
S3
DDC GND2
S4
DDC SCL2
S5
DDC SDA2
S6
DDC GND1
G2
DDC SCL1
ABL DET
DDC SDA1
HV DET
ECO SW
RXD
IIC SCL
TXD
IIC SDA
CN311
17P
WHT
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
GND
IIC SDA
IIC SCA
GND
ECO SW
GND
DDC SDA1
DDC SCL1
DDC GND1
DDC SDA2
DDC SCL2
DDC GND2
GND
INPUT SW
VS OUT
HS OUT
H BLK
CN312
9P
WHT
9
8
7
6
5
4
3
2
1
5V
3.3V
7V
+12V
GND
+80V
NC
+B
+B
CN604
9P
BLK
9
8
7
6
5
4
3
2
1
5V
3.3V
7V
+12V
GND
+80V
NC
+B
+B
CN605
4P
WHT
:S-MICRO
4
3
2
1
GND
GND
6.5V
6.5V
CN1102
17P
BLK
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
GND
IIC SDA
IIC SCA
GND
ECO SW
GND
DDC SDA1
DDC SCL1
DDC GND1
DDC SDA2
DDC SCL2
DDC GND2
GND
INPUT SW
VS OUT
HS OUT
H BLK
N
(
µ
-COM)
H1
(USER CONTROL)
US
(USB CONTROL)
DA
(DPU)
A1
(VIDEO AMP, RGB OUT )
CN1101
40P
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CN502
40P
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
XSC
YSC
D.TILT
XDC
HFBP
YDC
HD OUT
REFDC
HSHAPE
+12V
NC
+12V
A.GND
3.3V
D.GND
D.GND
HSAW_SW
GXSC
LCC NS
GYSC
IIC SDA
IIC SCL
A.GND
A.GND
H.LINBAL
H BLK
NC
HS OUT
DCC2
VS OUT
VSAWN
NC
A.GND
PLL LOCK
A.GND
POC
A.GND
A.GND
V.DF
H.DF
XSC
YSC
D.TILT
XDC
HFBP
YDC
HD OUT
REFDC
HSHAPE
+12V
NC
+12V
A.GND
3.3V
D.GND
D.GND
HSAW_SW
GXSC
LCC NS
GYSC
IIC SDA
IIC SCL
A.GND
A.GND
H.LINBAL
H BLK
NC
HS OUT
DCC2
VS OUT
VSAWN
NC
A.GND
PLL LOCK
A.GND
POC
A.GND
A.GND
V.DF
H.DF
CN1103
8P
WHT
8
7
6
5
4
3
2
1
INPUT SW
+5V
GND
LED 2
LED 1
KEY SCAN
WAKE UP
+12V
10
9
8
7
6
5
4
3
2
1
ROTATION+
ROTATION–
XSC–
XSC+
YSC–
YSC+
XDC–
XDC+
YDC–
YDC+
CN701
10P
WHT
:S-MICRO
ROTATION
V DY
H DY
CN501
6P
WHT
:VH
1
2
3
4
5
6
V+
V–
NC
H–
NC
H+
DGC
1
2
3
4
DGC
NC
NC
DGC
CN601
4P
WHT
:VH
CN602
3P
WHT
:VH
1
2
3
AC L
NC
AC N
1
2
3
4
D GND
+5V
RXD
TXD
CN1101
4P
WHT
TO ECS
CN2601
4P
1
2
3
4
6.5V
6.5V
GND
GND
CN306
4P
:XA
1
2
3
4
5
6
7
8
9
B.GND1
BLUE1
G.GND1
GREEN1
R.GND1
RED1
GND
VD1
HD1
CN305
9P
:XA
1
2
3
4
HOST 5V
DDC SCL1
DDC SDA1
HOST GND
B-SS3540<NH.>-KESSENZU-EPS05
GND
GND
INPUT SW
+5V
GND
LED 2
LED 1
KEY SCAN
WAKE UP
+12V
CN1400
12P
10
9
8
7
6
5
4
3
2
1
[#3 AEP]
[NH]
INPUT1
(HD15)
CN307
HD15D-SUB
5
4
3
2
1
10
9
8
7
6
15
14
13
12
11
INPUT2
(BNC)
5BNC
1
2
3
4
5
6
7
8
9
CN313
9P
:XA
R
G
B
HD
VD
B.GND2
BLUE2
G.GND2
GREEN2
R.GND2
RED2
GND
VD2
HD2
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