Sony CPD-G420 (serv.man4) Service Manual ▷ View online
CPD-G420
— 18 —
D BLOCK DIAGRAM
+
-
-
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
CANGE
Q511-516
6
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
IC902 AMP
7
5
6
+
-
-
H LIN BAL SW
Q510
1
4
4
DGC
DGC
DGC
CN601
1
2
3
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
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 -
INA+
INB+
INB -
1
2
8
9
IOUTA
OUTA
OUTB
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
+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
8
7
6
5
4
3
2
1
ROTATION+
ROTATION -
XSC -
XSC+
YSC -
YSC+
XDC -
XDC+
YDC -
YDC+
ROTATION -
XSC -
XSC+
YSC -
YSC+
XDC -
XDC+
YDC -
YDC+
CN701
1
2
4
6
7
8
9
2
4
6
7
8
9
+B
+B
+80V
+12V
7V
3.3V
5V
+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
2
4
6
1
V+
V -
H -
H+
V -
H -
H+
D
DEFLECTION , HDF, VDF,
HV, POWER SUPPLY
HV, POWER SUPPLY
H SAW GEN
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
FB
RT/CT
VREF
16
15
14
10
12
9
2
1
VG (H)
VS
VB
VB
VC2
VG (L)
OCP
IC620 REG OUT
FB
VSENSE
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
Vcc
4
1
5
2
PROTECT
Q652
1
2
L509
:HCC
ERRIN
REFIN
HDIN
MIX -
MIX+
VREG9
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
2
7V
7V
7V
+B
+80V
+12V
+12V
7V
3.3V
5V
7V
IIC SDA
IIC SCL
TXD
RXD
WAKE UP
KEY SCAN
LED1
LED2
LED2
PLL LOCK
POC
HV DET
ABL DET
G2
S6
S5
S4
S3
S2
S1
S0
S5
S4
S3
S2
S1
S0
PWR SW
DGC SW
V.FBP
IIC SCL
IIC SDA
VSOUT
HSOUT
HSOUT
H BLK
GXSC
GYSC
GXSC
GYSC
LCC NS
PLL LOCK
POC
H.DF
V.DF
V.DF
VSAWN
DCC2
H.LINBAL
HSP
REFDC
HD
YDC
HFBP
XDC
D.TILT
YSC
XSC
XSC
G
TO DA BOARD
CN1101
19
20
11
13
15
21
23
22
20
11
13
15
21
23
22
7
5
1
2
5
1
2
10
12
16
24
32
33
34
35
36
37
38
39
40
12
16
24
32
33
34
35
36
37
38
39
40
IIC SCL
IIC SDA
VSOUT
HSOUT
HSOUT
H BLK
GXSC
GYSC
GXSC
GYSC
LCC NS
PLL LOCK
POC
H.DF
V.DF
V.DF
VSAWN
DCC2
H.LINBAL
HSAW_SW(NC)
HSHAPE
REFDC
HD OUT
YDC
HFBP
XDC
D.TILT
YSC
XSC
XSC
CN502
TO US BOARD
CN2601
C
TO A1 BOARD
CN312
11
10
10
9
8
7
6
8
7
6
13
4
16
15
15
3
2
1
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
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
3
4
5
8
WAKE UP
KEY SCAN
LED1
LED2
INPUT SW
KEY SCAN
LED1
LED2
INPUT SW
CN1103
D
TO H1 BOARD
CN1400
CN1101
4
3
3
TXD
RXD
RXD
ECS
+15V
DGC SW
PWR SW
PWR SW
H.DF
V.DF
HFBP
DCC2
VSAWN
VSAWN
V.FBP
HV DET
ABL DET
HV DET
ABL DET
G2
HD
HSP
S1
S2
S3
S4
S5
S6
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
IIC SCL
VS OUT
HS OUT
H BLK
TXD
RXD
RXD
WAKE UP
KEY SCAN
LED1
LED2
KEY SCAN
LED1
LED2
I
TO N BOARD
CN1001
32
7
9
9
11
13
15
17
13
15
17
5
29
1
3
2
4
3
2
4
36
35
33
31
39
40
35
33
31
39
40
6
8
8
10
12
14
16
18
24
26
28
23
25
30
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
LED2
PLL LOCK
POC
HV DET
ABL DET
G2
S6
S5
S4
S3
S2
S1
S0
S5
S4
S3
S2
S1
S0
PWR SW
DGC SW
V.FBP
CN1104
CPD-G420
— 19 —
DA BLOCK DIAGRAM, N BLOCK DIAGRAM, AND US BLOCK DIAGRAM
POWER SW
Q2601
IC2602
IC2603
POWER SW
Q2602
POWER SW
Q2603
POWER SW
Q2604
1
2
3
2
3
V BUS
D-
D+
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
VC
O
G
G
DP1
DM1
DM2
DM2
DP2
DM0
DP0
DP0
DP3
DM3
DM4
DM4
DP4
IC2601
5V-REG
O
I
G
IC2902
RESET
RESET
X2901
12MHz
5V
IC2901
USB CONT
IC2602
4 OUTPUT VOLTAGE REGULATOR
5V
3
2
1
2
1
D+1
D-1
V BUS1
D-1
V BUS1
CN2902
D+3
D-3
V BUS3
D-3
V BUS3
CN2904
1
2
3
2
3
3
2
1
2
1
1
2
3
2
3
OVR-1
OVR-2
OVR-2
POW-1
POW-2
POW-3
POW-4
OVR-3
OVR-4
OVR-4
V BUS2
C-2
D+2
C-2
D+2
CN2903
V BUS4
C-4
D+4
C-4
D+4
CN2905
US
(USB CONTROL)
RST
XIN
XOUT
7V
7V
7V
CN2601
1
2
2
FLG1
FLG2
VC1
FLG2
VC1
VC2
VOUT1
VOUT2
FLG3
FLG4
VC1
FLG4
VC1
VC2
VOUT3
VOUT4
H
TO D BOARD
CN605
G
TO D BOARD
CN502
1
33
37
34
36
15
11
13
37
34
36
15
11
13
7
20
19
22
24
16
21
23
19
22
24
16
21
23
2
38
39
40
32
35
39
40
32
35
5
12
10
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
GXSC
V.DF
D.TILT
YSC
XSC
XSC
HSHAPE
YDC
POC
DCC2
VSAWN
CN1101
7
5
6
+
-
2
3
4
+
-
IC1102
AMP
DA
(DPU)
N
(ıMICRO-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
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
P10/A8/AD8
RESET
X2
X1
64
63
62
46
7
6
5
IC1003
ROM
WC
SCL
SDA
SCL
SDA
5V
IC1002
RESET
I
G
O
41
43
X1001
16.9344MHz
INVERTER
Q1001
CN1001
I
TO D BOARD
CN1104
32
7
9
9
11
13
15
17
29
13
15
17
29
1
3
2
4
3
2
4
35
33
31
39
40
33
31
39
40
6
8
8
10
12
14
16
18
24
26
28
23
25
30
36
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
LED2
PLL LOCK
POC
HV DET
ABL DET
G2
S6
S5
S4
S3
S2
S1
S0
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
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
22
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
30
H CENT
H CENT
46
IK SIGMA
34
21
P41/AN09
CPD-G420
— 20 —
1
|
2 |
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
I
—
J
H
KB
KG
KR
G1
G2
GM
G4
RCV
HV
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
5
10
9
8
7
6
4
3
1
11
13
G1
H1
H2
G1
KR
KG
KB
G2
G1
GND
FC
FV
F GND
1
4
6
7
10
11
13 14
15 16
17
3
8
5
12
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
1
2
3
4
5
6
7
8
9
1
1
2
3
4
5
6
7
8
9
1
2
3
4
5
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
S
S
CN319
CN320
CN316
C001
C005
C007
C009
C011
C012
C014
C015
C016
C017
C018
C021
C022
C023
C024
C027
C029
C031
C032
C035
C036
C037
C038
C039
C043
C045
C046
C051
C053
C054
C055
C057
C058
C059
C061
C062
C063
C064
C065
C091
C092
C105
C106
C108
C123
C130
C152
C205
C206
C208
C223
C252
C305
C306
C308
C323
C352
CN303
CN315
CN318
D006
D009
D010
D011
D012
D014
D016
D019
D106
D108
D111
D206
D208
D211
D306
D308
D311
F
B0
09
FB102
FB202
FB302
J001
JR022
L001
L002
L004
L005
L006
L007
PIN301
R006
R014
R032
R033
R040
R041
R046
R047
R052
R053
R064
SG001
SG002
X001
R082
C050
C090
C042
C026
C004
C010
C019
C025
C040
C049
C101
C109
C111
C120
C201
C211
C220
C230
C231
C301
C311
C319
C320
C330
D002
D004
D013
D101
D104
D105
D201
D204
D205
D301
D304
D305
FB002
FB003
FB004
FB005
L0
03
FB006
FB007
FB008
FB103
FB203
FB303
FB310
R003
R007
R008
R010
R011
R012
R013
R015
R016
R017
R018
R019
R020
R021
R022
R023
R024
R025
R030
R031
R034
R038
R039
R049
R051
R054
R058
R059
R077
R078
R079
R080
R092
R097
R098
R101
R104
R106
R107
R108
R109
R110
R111
R115
R117
R118
R119
R120
R121
R122
R123
R130
R140
R151
R161
R163
R201
R202
R204
R207
R208
R209
R210
R211
R215
R217
R218
R219
R220
R221
R222
R223
R230
R240
R251
R261
R263
R301
R304
R206
R306
R307
R308
R309
R310
R311
R315
R317
R318
R319
R320
R321
R322
R323
R330
R340
R351
R361
R363
SG101
SG201
SG301
IC011
IC004
IC002
IC001
IC003
Q005
Q004
IC006
IC005
IC007
IC008
Q301
Q201
Q101
CN313
CN307
CN311
CN312
FB104
FB110
FB210
0.001
500V
B:CC
B:CC
0.1
25V
25V
B:CHIP
0.22
16V
B:CHIP
1
0.1
100V
0.22
B:CHIP
22
100V
0.1
25V
25V
B:CHIP
470
16V
100p
CH:CHIP
2.2
250V
0.01
B:CHIP
47
10V
0.22
16V
B:CHIP
47
16V
47
10V
0.22
16V
B:CHIP
1000p
500V
B:CC
0.1
25V
25V
B:CHIP
4700p
2kV
B:CC
100p
CH:CHIP
0.1
25V
B:MPS
4700p
B:CHIP
0.1
B:CHIP
0.1
25V
B:CHIP
0.1
25V
25V
B:CHIP
0.01
B:CHIP
0.1
B:CHIP
0.1
25V
25V
B:CHIP
0.1
25V
25V
B:CHIP
22p
CH:CHIP
47
25V
7p
CH:CHIP
0.1
25V
25V
B:CHIP
150p
CH:CHIP
0.1
25V
B:CHIP
0.01
B:CHIP
100
16V
16V
100
16V
16V
1
0.01
B:CHIP
0.1
25V
25V
B:CHIP
0.47
250V
0.22
16V
B:CHIP
0.1
250V
:PT
0.22
16V
B:CHIP
47
25V
0.1
25V
25V
B:CHIP
0.47
250V
250V
0.22
16V
B:CHIP
0.1
250V
:PT
47
25V
0.1
25V
B:CHIP
0.47
250V
0.22
16V
B:CHIP
0.1
250V
:PT
47
25V
GND TAB
8P
:XA
2P
MA151WK-TX
NNCD5.6A-T1
NNCD5.6A-T1
NNCD5.6A-T1
1PS226-115
1SS119
NNCD5.6A-T1
1PS226-115
HSS82
1PS181-115
1PS226-115
HSS82
1PS181-115
1PS226-115
HSS82
1PS181-115
1PS226-115
H
S2
41
N2012Z260
N2012Z260
N2012Z260
0
:CHIP
1mmH
100
1/2W
100
1/2W
100
1/2W
1k
RN:CHIP
4.7k
:CHIP
10k
:CHIP
0
:CHIP
0
:CHIP
4.7M
100
:CHIP
220k
1/2W
24.5MHz
0.68
2W
:RS
0.1
B:CHIP
0.01
B:CHIP
0.1
B:CHIP
10p
CH:CHIP
0.1
25V
25V
47
10V
0.01
0.01
0.01
0.01
10p
47
25V
100p
47
25V
10p
100p
47
25V
0.22
16V
2p
10p
100p
0.01
47
25V
0.22
16V
NNCD5.6A-T1
1PS226-115
1SS119-25TD
1PS226-115
HSU83TRF
HSU83TRF
1PS226-115
HSU83TRF
HSU83TRF
1PS226-115
HSU83TRF
HSU83TRF
0
0UH
0UH
0UH
0
0
0
0
0
0
0UH
100
100
100
100
2.2k
2.2k
100
2.2k
2.2k
100
100
8.2k
100
100
0
1k
4.7k
4.7k
0
15k
1.8k
47
47
47k
1M
2.2k
1/2W
1k
2.2k
15k
5.1k
3.3k
2.7k
15k
0
47k
82
1/4W
3.3k
39k
1/4W
33k
4.7k
1M
1k
68
1/4W
22k
33
22
470k
470k
470k
1M
820
1/4W
33
1/4W
33
1/4W
47
1/2W
82
1/4W
100
82
1/4W
470
3.3k
33k
4.7k
1M
3.3k
82
1/4W
22k
33
56
470k
470k
470k
1M
820
1/4W
33
1/4W
33
1/4W
47
1/2W
82
1/4W
100
82
1/4
3.3k
39k
1/4W
39k
1/4W
33k
4.7k
1M
3.3k
68
1/4W
22k
33
68
470k
470k
470k
1M
820
33
1/4W
33
1/4W
47
1/2W
82
1/4W
100
BA00AST-V5
HEATER REG
H8D3104
CUT OFF AMP
LM2412T
RGB AMP
M61314SP
RGB PRE-AMP
CXD9548MTR
OSD
2SK1828TE85L
SW
2SK1828TE85L
SW
SN74AHCT04NSR
INVERTER
TC7SU04FU
INVERTER
BR24C02F-WE2
ROM
MM1470AD
INPUT SELECT
2SC2412K
BUFF
2SC2412K
BUFF
2SC2412K
BUFF
9P
DSUB
17P
WHT
9P
WHT
0UH
0UH
0UH
+
80
V
+
20
0
V
ST
BY
+
5V
M
AI
N
5V
5
4
3
2
1
10
9
8
7
6
15
14
13
12
11
V
B
I
A
S
G
N
D
3
V
C
C
G
N
D
2
G
N
D
1
B
.
I
N
G
.
I
N
R
.
I
N
R
.
O
U
T
G
.
O
U
T
B
.
O
U
T
VCC
VCC
VCC
GND
G.SYNC
VCC
VCC
VCLK
SCL
SDA
VSS
NC
NC
NC
AV
KB
GND
KG
GND
KR
GND
HEATER
GND
KB
GND
KG
GND
KR
GND
HEATER
GND
G
N
D
+
B
R
_
O
U
T
R
_
B
A
S
E
G
_
O
U
T
G
_
B
A
S
E
B
_
O
U
T
B
_
B
A
S
E
B
_
I
K
G
_
I
K
R
_
I
K
B
_
I
N
G
_
I
N
R
_
I
N
V
B
B
IMR
FC
FV
G IN
R IN
+
1
2
V
G
N
D
+
8
0
V
N
C
G1
VCC
GND
POWER SAVE
G2
SW
VCC
GND
VCC
GND
SOG
SYNC IN
GND
B OUT
B1
R1
V1
H1
B2
R2
V2
H2
H OUT
V OUT
G OUT
R OUT
3
.
3
V
G2
G2
GND
COATING
EARTH
B IN
+5V
GND
COF B
G2
SCL
SDA
CLP
A GND
HFLY
FILTER
SDA
SCL
TEST
DVSS
DVDD
BLK
HS OUT
VS OUT
XTAL OUT
XTAL IN
OVDD
OVSS
ADCGND
ADCREF
RCI
GCI
BCI
AVDD
VDD2
ECO SW
GND
HS IN
VS IN
CS IN
CLP DELAY
OSD BLK
OSD R
OSD B
OSD G
OSD R
V DET
+
B
5
V
+
B
G
N
D
V
S
O
U
T
E
C
O
S
W
I
I
C
S
C
L
I
I
C
S
D
A
G
N
D
I
N
P
U
T
S
W
H
B
L
K
H
S
O
U
T
G
N
D
G
N
D
7
V
OSD B
OSD G
V
c
c
C
T
L
O
U
T
G
N
D
D
D
C
G
N
D
1
D
D
C
S
D
A
1
D
D
C
G
N
D
2
D
D
C
S
C
L
2
D
D
C
S
D
A
2
D
D
C
S
C
L
1
GND
OSD BLK
SOG OUT
GND
ABL
B OUT
12V
G OUT
GND
R OUT
GND
COF G
COF R
CLAMP
BLK
SOG IN
12V
COATING
GND
B.GND2
BLUE2
G.GND2
GREEN2
R.GND2
R.GND2
RED2
VD2
HD2
HD2
V
A
D
J
Vcc
OUT
NC
GND
IN
LEAD
GND
NC
19 TKC
CRT
TO D BOARD
(VIDEO)
CN604
CN1102
SIGNAL IN
BNC
TO D BOARD
TO D BOARD
CN510
TO D BOARD
9-978-887-01<19CR1>A1
+12V
+12V
STBY +5V
1
2
3
+12V
+200V
+80V
+5V
STBY +5V
+5V
+12V
R
G
B
HD
VD
INPUT2
INPUT1
4
5
6
STBY +5V
4-4. SCHEMATICS AND SUPPORTING INFORMATION
A1 BOARD SCHEMATIC DIAGRAM
CPD-G420
— 21 —
1
A
B
C
D
2
3
4
5
6
7
Q101
Q201
Q301
R101
R306
R111
R211
R251
R261
R106
R311
R351
R340
R130
R240 R140
R001
R007
R010
R012
R015
R016
R020
R021
R022
R023
R030
R038
R051
R077
R092
R108
R207
R221
R308
R333
C042
C006
C015
C033
C040
C045
C048
C053
C008
C090
C105
C205
C312
C351
C050
C330
C011
C016
C018
C031
C044
C106
C120
C152
C206
C220
C252
C306
C320
C323
C035
D111
D201
D301
D311
D104
D204
D304
D305
D205
D105
D309
D209
D109
D409
D002
D003
D009
D011
D010
IC002
FB104
FB110
FB210
L004
SG001
SG002
SG201
C091
FB004
R082
C065
R078
R080
FB005
R264
JR102
D306
D206
D106
D106
Q003
IC011
R164
C066
C007
C013
C025
JR302
C064
D208
D308
R361
R161
R013
R118
C211
C311
FB302
C026
D013
R019
R003
R024
R025
JR003
JR004
JR005
JR006
JR008
JR018
JR019
JR020
JR024
JR026
CN315
CN318
CN319
CN309
CN307
CN320
CN308
CN313
JR001
R008
R301
R201
JR011
C032
JR016
R005
R318
R202
R215 C208
JR027
FB002
JR025
R163
R123
R104
R093
C062
R009
R362
R363
R054
R006
R032
R014
FB103
C313
R098
C027
R223
C213
R117
R110
R217
R323
C201
R035
R036
R037
R086
R018
JR021
FB003
C009
JR015
C022
C017
C029
R053
C054
C046
JR029
C092
FB007
C049
IC005
L007
D211
R330
CN312
CN311
C060
R061
R045
R049
R042
R044
R040
Q001
D007
D008
1
8
KB
KG
KR
HEATER
GND
GND
GND
GND
INPUT SW
G2
1
DDC SCL1
1
9
11
11
15
15
5
5
10
10
6
1
1
1
2
4
5
3
4
5
6
7
8
9
10
11
1
9
1
17
1-679-351-21
(1-719-000-21)
A1
[Video]
D002
C-2
D004
C-2
D006
D-2
D009
D-2
D010
C-2
D011
C-1
D012
C-2
D013
C-1
D014
D-4
D016
C-1
D019
B-1
D101
A-2
D104
B-6
D105
B-6
D106
B-7
D108
A-6
D111
B-2
D201
A-2
D204
B-6
D205
B-6
D206
B-7
D208
A-5
D211
B-2
D301
B-2
D304
A-6
D305
A-6
D306
B-6
D308
A-5
D311
B-3
IC001
B-4
IC002
B-5
IC003
A-3
IC004
B-7
IC005
B-3
IC006
A-1
IC007
D-1
IC008
A-2
IC011
C-5
Q004
D-2
Q005
D-2
Q101
A-5
Q201
A-5
Q301
A-5
A1 BOARD LOCATOR LIST
TRANSISTOR
DIODE
IC
0.74 Vp-p (H)
H
1.12 Vp-p (H)
0.73 Vp-p (H)
54.5 Vp-p (H)
54.5 Vp-p (H)
H
• A1 BOARD WAVEFORMS
3
2
1
4
5
6
56.0 Vp-p (H)
IC001
IC002
IC003
IC004
IC006
IC008
pin
volt
pin
volt
pin
volt
pin
volt
pin
volt
pin
volt
1
GND
1
56.6
1
GND
1
200.0
1
0.3
1
5.0
2
3.6
2
GND
2
0.4
2
NC
2
4.5
2
1.4
3
12.0
3
56.3
3
2.2
3
108.3
3
0.0
3
5.0
4
3.6
4
GND
4
4.7
4
103.0
4
4.9
4
1.4
5
2.3
5
55.4
5
4.5
5
108.4
5
4.6
5
5.0
6
GND
6
79.4
6
GND
6
103.0
6
0.3
6
1.4
7
3.6
7
GND
7
4.4
7
106.9
7
GND
7
4.0
8
GND
8
2.6
8
GND
8
101.6
8
4.6
8
0.3
9
0.6
9
2.6
9
5.0
9
NC
9
0.2
9
GND
10
4.4
10
12
10
0.1
10
1.3
10
0.0
10
1.7
11
5
11
2.6
11
0.8
11
1.3
11
4.9
11
4.7
12
0
12
0.3
12
1.3
12
0.4
12
1.7
13
0
13
0
13
4.9
13
4.5
13
0
14
0
14
2.1
14
4.9
14
5.0
14
1.7
15
0
15
NC
15
4.9
IC007
15
0
16
GND
16
GND
16
12.0
pin
volt
16
0.0
17
0.8
17
5
17
GND
1
GND
17
GND
18
0.1
18
0
IC005
2
GND
18
0.4
19
4.7
19
0
pin
volt
3
GND
19
4.1
20
4.5
20
0
1
NC
4
GND
20
5
21
NC
21
0
2
2.3
5
4.2
21
0.6
22
3.2
22
4.3
3
GND
6
4.2
22
3.1
23
3.3
23
0.6
4
2.1
7
0.0
23
2
24
3
24
4.2
5
5.0
8
5.0
24
GND
25
GND
25
0.5
25
2.0
26
2.6
26
GND
26
5
27
GND
27
4.9
27
GND
28
2.6
28
5
28
2
29
12
29
5
29
5
30
2.6
30
4.2
30
GND
31
5
31
4.2
31
2
32
GND
32
4.2
32
5.0
33
3.4
IC011
34
GND
pin
volt
1
3.3
2
7.0
3
GND
4
4.9
5
1.2
All voltages are in V
A1 BOARD IC VOLTAGE LIST
B
C
E
Q101
4.8
4.2
5
Q201
4.8
4.2
5
Q301
4.8
4.2
5
All voltages are in V
A1 BOARD TRANSISTOR LIST
Click on the first or last page to see other CPD-G420 (serv.man4) service manuals if exist.