Yamaha NX-C430 Service Manual Page 70
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- Table of contents
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1
A
B
C
D
E
F
G
H
I
K
J
2
12
13
11
10
98765
43
14
17
1615
– 108 –– 107 –
– 106 –
– 105 –
– CB Board –
– CG Board –
– CB Board –
1
2
103Vp-p (H)
133Vp-p (H)
• CG BOARD WAVEFORMS
1
101Vp-p (H)
• CR BOARD WAVEFORM
1
136Vp-p (H)
• CB BOARD WAVEFORM
CR
CG
CB
R DRIVE
[ ]
G DRIVE, VM DRIVE
[ ]
B DRIVE
[ ]
Schematic diagrams
CG CR CB board /
Schematic diagrarm
? U board
1
2
+9V
+135V
+200V
+9V
G
G
B
R
R
B
151.3
153.9
1.6
153.9
8.3
2.1
1.6
3.3
2.8
134.3
134.9
68.8
68.8
0.9
0.4
1.1
0.5
5.5
1.5
2.1
5.9
6.1
5.4
G2
TO DY(B)
TO DY(G)
TO DY(R)
TO CB:CN761
HV.BLOCK
CRT
BRACKET
6
7
H
K10
G3
G5
4
5
1,2
G1
G2
G4
NC
H(-)
H(+)
NC
E
NC
R/S
NC
H(-)
H(+)
NC
E
NC
NC
NC
E
B
E
IKB
9V
VM
E
135V
NC
9V
VM.OUT
VM.RET
VM.OUT
VM.RET
E
VM.IN
VM.RET
VM ASSY
DY(H)
SUB DY
DY(V)
H(MID)
H+
H-
H.IN
V.IN
V.RET
H.RET
V.DEF
V.MID
V.RET
VM.IN
VM.RET
VM
NC
NC
4P
:VH
VM.IN
VM.RET
VM ASSY
DY(H)
SUB DY
DY(V)
H(MID)
H+
H-
H.IN
V.IN
V.RET
H.RET
V.DEF
V.MID
V.RET
VM.IN
VM.RET
48V80
53V80/61V80
48V80
53V80/61V80
48V80
53V80/61V80
VM
NC
NC
4P
:VH
VM.IN
VM.RET
VM ASSY
DY(H)
SUB DY
DY(V)
H(MID)
H+
H-
H.IN
V.IN
V.RET
H.RET
V.DEF
V.MID
V.RET
VM.IN
VM.RET
VM
DY(R)
NC
NC
4P
:VH
G-H(+)
G-H(-)
HG.IN
VG.IN
DY(B)
B-H(+)
B-H(-)
4P
3P
HB.IN
VB.IN
VB.RET
HB.RET
DY(G)
VG.RET
HG.RET
4P
3P
R-H(+)
R-H(-)
HR.IN
VR.IN
VR.RET
HR.RET
4P
3P
NC
H(-)
H(+)
NC
E
NC
R/S
NC
B/S
B/S
E
IK
E
9V
E
B
E
G
R
9V
E
R
IKR
:S-MICRO
WHT
:S-MICRO
WHT
:S-MICRO
WHT
:S-MICRO
WHT
:S-MICRO
WHT
:S-MICRO
WHT
200V
200V
200V
K
200V
GND
GND
VM.OUT
VM.RET
GND
GND
TO FOCUS BLOCK
TO FOCUS BLOCK
TO G BOARD
CN504
CN1505
TO G BOARD
CN1508
TO G BOARD
BV.DEF
BV.MID
BV.RET
TO CR BOARD CN701
TO G BOARD
TO G BOARD
TO G BOARD
CN1507
GV.DEF
GV.MID
GV.RET
CN1504
TO A(1/3) BOARD CN204
TO G BOARD
TO G BOARD
TO G BOARD
CN1506
CN1503
RV.DEF
RV.MID
RV.RET
(G DRIVE,VM DRIVE)
TO G BOARD CN503
TO CR BOARD CN702
TO CB BOARD CN762
TO A(1/3) BOARD
CN505
CN506
CN203
V902
PICTURE
TUBE
CG
R732
SG732
SG731
R731
C734
NL731
C731
R733
C733
D731
L731
R737
C735
D732
D733
D734
D735
R741
R742
C737
L732
R744
TP733
R1301
C1301
C1302
C1303
R1303
R1304
R1305
R1307
C1305
R1311
C1308
C1309
R1315
R1319
L1301
R1321
R1323
L1302
C736
R745
R734
C738
R746
D736
CN1304
TP731
CN737
C732
R1302
R735
R738
R743
R753
TP732
R747
CN740
C1314
R1325
R1324
C1310
D1304
R1308
R1314
R1306
C1315
R1310
R1327
R1328
C1312
C1313
R736
R739
CN1301
CN1302
CN1303
Q733
Q732
Q731
Q734
Q1302
Q1304
Q1303
Q1306
Q1305
Q1301
CN738
CN739
470p
B
47
25V
470p
B
100
1/2W
:RC
560k
1/2W
100
4.7k
1k
1/2W
680k
1/2W
10
1SS133
PROT
1SS133
PROT
1SS133
PROT
1SS133
PROT
1SS133
SW
47
160V
39
1/2W
:FPRD
0.047
200V
:PT
0.047
200V
:PT
39
:FPRD
100
16V
0.001
200V
:PT
0.47
:FPRD
100
16V
680
3W
:RS
0.0047
500V
E
47p
:LAV35
470µH
:LAV35
47µH
47µH
:LAV35
CN736
9P
WHT
:S-MICRO
22
250V
MTZJ-5.1
PROT
6P
WHT
:S-MICRO
CN733
5P
WHT
:S-MICRO
CN735
9P
RED
:S-MICRO
330p
2kV
B
CN732
4P
WHT
:S-MICRO
CN734
10P
WHT
:S-MICRO
100
1/2W
1k
1/2W
47k
CN731
9P
RED
:S-MICRO
:LAV35
68µH
1000p
2kV
B
680
3W
:RS
JW(5)
6.8
:FPRD
6.8
:FPRD
1.5k
:FPRD
33
470
120
0.01
B
6.8k
2.2k
1
1SS133
1.5k
100
16V
68
560
75k
:RN
56k
10k
1.5k
100k
100k
33k
0.0047
500V
:E
0.01
B
8.2k
3W
:RS
8.2k
3W
:RS
3P
WHT
:S-MICRO
3P
WHT
:S-MICRO
3P
WHT
:S-MICRO
2SA1091
SW
2SC3271F-N
GREEN AMP
2SC3311A
AMP
2SA1309A
BUFF
2SA1837
VM.DRIVE1
2SC3311A
BUFF
2SA1309A
BUFF
2SC3311A
BUFF
2SC3311A
AMP
2SC4793
VM.DRIVE2
:FASTON
:FASTON
R
1
+200V
R
R
+9V
9.0
8.3
1.2
1.8
8.3
158.0
2.0
154.8
G2
TO FOCUS BLOCK
G2
(R DRIVE)
TO FOCUS BLOCK
NC
H(-)
H(+)
NC
E
NC
R/S
NC
IKR
9V
E
R
200V
K
HV.BLOCK
CRT BRACKET
6
7
H
K10
G3
G5
4
5
1,2
G1
G2
G4
TO CG BOARD CN732
TO CG BOARD CN735
V901
PICTURE
TUBE
CR
SG702
SG701
R701
C703
NL701
R702
R711
C706
D705
L701
R714
C708
C709
D706
C710
D707
D708
R718
D709
R719
R720
L702
C711
R721
R722
CN704
C712
TP701
CN703
C701
R715
R723
R704
R712
R703
R713
Q706
Q705
Q704
CN705
CN706
470p
B
100
1/2W
:RC
560k
1/2W
100
1k
1/2W
680k
1/2W
10
4.7k
1SS133
PROT
1SS133
PROT
1SS133
PROT
1SS133
PROT
1SS133
47
25V
47p
0.0047
500V
E
390p
B
330p
2kV
B
1k
1/2W
100
1/2W
22
250V
CN701
4P
WHT
:S-MICRO
CN702
9P
RED
:S-MICRO
1000p
2kV
B
JW(5)
1.5k
82
200k
:RN
8.2k
3W
:RS
8.2k
3W
:RS
2SA1091
SW
2SC3271F-N
RED AMP
2SC3311A
AMP
:FASTON
:FASTON
:LAV35
470µH
:LAV35
68µH
B
1
+200V
+9V
B
134.5
138.4
1.0
8.4
2.3
1.7
1.4
1.4
138.4
E
B
E
NC
H(-)
H(+)
NC
E
NC
NC
G2
IKB
9V
TO FOCUS PACK
B/S
200V
K
HV.BLOCK
CRT
BRACKET
6
7
H
K10
G3
G5
4
5
1,2
G1
G2
G4
(B DRIVE)
V903
PICTURE
TUBE
CB
TO FOCUS BLOCK
TO CG BOARD CN736
TO CG BOARD CN733
R762
SG761
SG762
R761
C764
NL761
C761
C763
D761
L761
R767
C765
D762
D763
D764
C767
C768
D765
R775
R776
L762
C770
C769
R777
R779
CN766
TP761
CN763
C762
R768
R770
R771
R772
R783
R763
R765
R766
R773
R764
Q764
Q762
Q761
Q763
CN764
CN765
10
47
25V
470p
B
100
1/2W
:RC
560k
1/2W
680k
1/2W
10
4.7k
1SS133
PROT
1SS133
PROT
1SS133
PROT
1SS133
PROT
0.0047
500V
E
330p
B
47p
1SS133
SW
:LAV35
470µH
22
250V
CN761
5P
WHT
:S-MICRO
CN762
9P
WHT
:S-MICRO
330p
2kV
:B
1k
1/2W
100
1/2W
:LAV35
68µH
1000p
2kV
B
82
33k
JW(5)
1.2k
5.6k
100
100
8.2k
3W
:RS
1k
1/2W
8.2k
3W
:RS
2SA1091
SW
2SC3271F-N
BLUE AMP
2SC3311A
AMP
2SA1309A
BLUE STRETCH
:FASTON
:FASTON
- SERVICE MANUAL 1
- VTR123DVD/MDP 1
- KP-48V80/53V80/61V80RM-Y905 1
- SAFETY CHECK-OUT 3
- SELF DIAGNOSIS FUNCTION 4
- SECTION 1 9
- KP-48V80/53V80/61V80 10
- RM-Y905RM-Y905RM-Y905 10
- DISASSEMBLY 36
- SECTION 2 36
- SECTION 3 39
- SET-UP ADJUSTMENTS 39
- ( e n 5 n Án ; ) 41
- RM-Y905RM-Y905 RM-Y905 50
- KP-48V80/53V80/63V80 51
- SECTION 4 51
- SAFETY RELATED ADJUSTMENTS 51
- SECTION 5 53
- CIRCUIT ADJUSTMENTS 53
- SECTION 6 55
- DIAGRAMS 55
- 5-1. BLOCK DIAGRAM (2) 56
- – 59 – – 60 – – 61 – 57
- (PJED-CPU, REGI CORRECTON) 58
- 5-1. BLOCK DIAGRAM (5) 59
- 5-1. BLOCK DIAGRAM (6) 60
- (IN/OUT SELECT) 61
- • A (1/3) BOARD WAVEFORMS 62
- A (1/3) S board / 62
- – 79 – – 80 – 63
- – 81 – – 82 – 63
- • A (3/3) BOARD WAVEFORMS 64
- A (2/3) board 64
- A (1/3) board / 64
- [ ] 65
- G BOARD : IC651 µPC393C 66
- G BOARD : IC654 DM-58 66
- G board / 66
- • G BOARD WAVEFORMS 66
- [ ] 67
- – 99 –– 98 – 68
- VIDEO, AUDIO IN/OUT, AV 68
- SWITCH, SIRCS IN/OUT 68
- • U BOARD WAVEFORMS 69
- U BOARD : IC1702 CXA1845Q 69
- (G DRIVE,VM DRIVE) 70
- [ ] 71
- SECTION 7 75
- EXPLODED VIEWS 75
- SECTION 8 79
- ELECTRICAL PARTS LIST 79
- CG CB HC 103
- HC HA HB S 104
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