2. Diagrama de Fuente SMPS
12VA Power dead. D109 is defective. Power dead. BD101,R101 are defective.
5.4VA Power dead. D106 is defective.
150p/1KV
36VA Power dead. D105 is defective.
Switching dead. IC101 is defective.
Switching error IC102, IC103 are defective.
Power dead. F101 is defective.
NOTES)
Symbol denotes AC ground.
NOTES)
Symbol denotes DC chassis ground.
NOTES) NOTES) NOTES) NOTES)
Warning Parts that are shaded are critical With respect to risk of fire or electricial shock.
3-7
3-8
3. Diagrama del Circuito de Sintonización / IF
VR750 is misadjust. Audio signal distorited & L,R Level is different.
* IC Voltage Sheet 1.475 1.724 2.5V 2.225
* TR Voltage Sheet Emitter PB Q701 Q702
3-11
3-12
REC
3.133 3.133 0
0
20
Collector REC
PB
0
0
2.446 2.446
0
0
0.001 0.001
1.74332.52
0 4.982
X
15
TU701
Base
PB
0
*NOTE : Pin#2:4ch:0[V] Pin#4:TV Mode :0[V]
REC 1
5 0 4.349 4.9812.819
0
10 1.679
0
0 5.157 5.157
4. Diagrama del Circuito A/V Video Noise. H/SW Level is defective..
No Color. R333, C350, C349 are defective.
No Color. L306, C346 are defective.
Video output level unstable C339 is defective.
No Color. R338, C338 are defective.
10 9
8 11
IC301 Pin 14 100mV/10msec DIV VV/EE (Main De-Emphasis out)
IC301 Pin 16 100mV/10msec DIV PB (Main De-Emphais Peacking)
IC301 Pin 18, 21, 23 100mV/10msec DIV VV/EE Clamp Drive IN Pin 18 Y-out(to 1H CCD) Pin 21 Y-out(from 1H CCD) Pin 23
IC301 44 Pin 100mV/0.2msec DIV REC/PB (2fsc)
IC301 50 Pin 1.0V/20msec DIV VV/EE (C-SYNC OUT)
IC301 52 Pin 500mV/10msecDIV VV/EE (VIDEO OUT)
IC301 Pin 54 200mV/20msec DIV PB (C.OUT)
IC301 Pin 58, 60 200mV/20msec DIV VV/EE from 1H CCD Pin 58 to 1H CCD Pin 60
IC301 Pin 71 100mV/0.2msec DIV PB/REC (3.58MHz X-TAL IN)
IC301 Pin 78 100mV/5msec DIV PB (PB RF out)
IC301 Pin 86, 87, 88, 89 500mV/2msec DIV SP REC (REC RF)
(
IC301 Pin 31 200mV/10msec DIV EE (VIDEO IN)
)
7 6
12
5
13
4
( 2 1
)
* A/V TR Voltage Sheet
3
Emitter
VIDEO Distortion R330, 322, 325, C318 are defective.
(MONO OPTION)
IC301 Pin 91, 92, 93, 94 500mV/2msec DIV EP REC (REC RF)
WAVEFORM
Y. (REC) C. (REC) AUDIO(PB)
AUDIO(REC) Y+C (REC) Y+C (PB)
C/PB Y/PB
3-15
3-16
* IC301 VOLTAGE SHEET REC
PB
REC
PB
REC
PB
REC
PB
1
2.5
2.5
21
2.1
2.1
41
5.1
5.1
61
5
5
81
-
-
2
2.5
2.5
22
2.4
2.2
42
1.7
1.7
62
-
-
82
1.1
1.1
3
0
0
23
2.8
2.8
43
5.1
5.1
63
-
-
83
-
-
4.45
4
2.5
2.5
24
2.1
2.1
44
2.5
2.5
64
-
-
84
0
-
4.72
5
0
0
25
1.4
1.4
45
0
0
65
-
2.3
85
0
0
4.48
4.72
6
2.8
2.8
26
2.1
2.1
46
1.9
1.9
66
5.0
5.0
86
2.3
2.1
0.71
-24.4
7
2.5
2.5
27
0
0
47
0
0
67
5
5
87
2.3
2.1
8
2.5
2.5
28
2.8
2.8
48
0
0
68
0
0
88
2.3
2.1
0
0.73
-24.2
9
2.5
2.5
29
1.9
1.9
49
0
0
69
2.5
2.5
89
2.3
2.1
4.70
0
4.72
10
2.5
2.5
30
2.8
2.8
50
-
-
70
2.5
2.5
90
5.1
5.1
0
11
2.5
2.5
31
-
-
51
-
-
71
2.1
2.1
91
2.3
2.1
12
5
5
32
-
-
52
-
-
72
2.2
2.2
92
2.3
2.1
13
2.1
1.6
33
-
-
53
2.8
2.8
73
2.1
2.1
93
2.3
2.1
14
2.1
1.6
34
-
-
54
1.9
1.9
74
2.7
-
94
2.3
2.1
15
2.3
2.3
35
2.7
2.7
55
2.1
2.1
75
2.1
2.1
95
1.4
0
16
0
-
36
5.1
5.1
56
2.8
2.8
76
-
-
96
5
5
17
-
1.8
37
-
-
57
-
-
77
-
-
97
-
-
18
2.1
2.1
38
5.1
5.1
58
2.8
2.8
78
2.8
2.8
98
-
19
2.8
2.8
39
2.7
2.7
59
2.8
2.8
79
-
2.1
99
-
-
20
2.8
2.8
40
5.1
5.1
60
2.8
2.8
80
-
-
100
2.5
2.5
Collector
Base
PB
REC
PB
REC
PB
REC
Q301
0
0.1
0.25
4.78
0.25
0.43
Q302
5.19
5.14
0.25
5.18
5.19
Q303
0
0
5.19
0
0
Q304
5.15
4.70
5.10
-24.4
Q305
0
-20.1
0
0
Q306
0
-20.0
0
Q307
5.19
5.13
5.14
Q308
0
0
3.07
3.05
0
Q309
3.07
3.04
0
0
2.45
2.42
Q310
0
0
1.12
0
0
5.17
3-17
REC
PB
-
* IC801 Voltage Sheet PB
7. Diagrama del Circuito Hi-Fi (Hi-Fi MODEL ONLY)
0.5
2.5
2.3
2.4
REC 0.5
2.5
2.3
2.4
0.8
5.8
12.6 5.7
0
0.8
5.7
12.8 5.6
0
60
0
2.3
5.7
3.1
4.8
0
2.3
5.6
3.1
4.8
55
3.1
3.3
2.2
3.0
3.3
0
2.3
5.2
5.2
0
3.0
3.3
2.2
3.0
3.3
0
2.3
5.3
5.3
0
50
45
4.8
0
0
1.7
0
4.8
0
0
1.6
0.1
40
2.4
0.8
2.4
2.4
0.8
2.4
35
IC801(AN3663FBP) 5 2.3
0
2.3
0
2.4
2.4
2.1
0.3
0
0
0
2.1
2.5
0
0
15 2.4
0.8
2.4
2.4
2.0
2.1
2.0
0
2.0
25 4.9 2.0
2.7
0
1.7
1.4
0
2.4
REC 2.3
0
2.3
0
2.4
2.4
2.1
0.4
0
0
0
2.1
2.5
0
0
2.4
0.8
2.4
2.4
1.9
1.8
1.9
0
1.9
4.7
2.7
0.1
4.2
3.5
1.2
2.4
PB
AN3663FBP
3-23
3-24
10
20
1.9
30
8. Diagrama del Circuito de System L/D Motor will not operate.
DOT MODEL ONLY
IC502, ZD501 are defective.
*OPTION SWITCH TABLE
*OPTION RESISTOR TABLE
CC-490M
CC-990M
CC-490M
CC-990M
SW5T0
O
X
R5T1
O
O
SW5T1
O
O
R5T2
X
X
SW5T2
X
X
R5T3
X
X
SW5T3
X
X
R5T4
X
X
SW5T4
X
X
R5T5
X
X
SW5T5
X
X
R5T6
O
O
SW5T6
X
X
R5T7
O
O
SW5T7
O
O
R5T8
O
O
SW5T8
X
X
R5T9
O
X
SW5T9
O
X
J5K1
X
X
SW5A1
O
O
J5K2
X
X
J5G1
O
O
J5G2
O
O
J502
X
O
J528
X
O
•Reset is defect. •Set dead. IC504 is defective. *OPTION DIODE TABLE PB, PG will not operate. VR501 is defective. µ-COM will not operate. X501, X502 are defective.
Deck will not operate. R575, 576, 577, 578 are defective.
* LED OPTION TABLE
Diode
NAME
CC-490M
CC-990M
DJ01
Deck-Jig_On
X
X
PART CC-490M/CC-990M Q5P1
O
DJ02
Hi-Fi_On
X
O
Q5P2
O
DJ03
2HD_On
X
X
Q5P3
O
DJ04
non_Line2_On
O
X
Q5P4
O
DJ05
NTSC_On
O
O
Q5P5
O
DJ06
PAL_N_On
X
X
Q5P6
O
DJ07
Dot_On
X
X
Q5P7
O
DJ08
FLD_On
X
X
Q5P8
O
DJ09
HSR_On
O
O
Q5P9
O
DJ10
Grandiante_On
X
X
R5P1
22Ohm
DJ11
Semp_On
X
X
R5P2
22Ohm
DJ12
Language_On
X
X
R5P3
22Ohm
DJ13
VISS_On
X
X
R5P4
22Ohm
DJ14
Sharp_On
X
X
R5P5
22Ohm
DJ15
Back_Lighting_On
X
X
R5P6
22Ohm
DJ16
Auto_Setup_On
X
X
R5P7
22Ohm
DJ17
X
X
R5P8
22Ohm
DJ18
X
X
R5P9
22Ohm
Q5G1
O
Q5G2
O
Q5G3
O
Q5G4
O
Q5G5
O
R5G1
O
R5G2
O
R5G3
O
R5G4
O
*SYSTEM OPTION TABLE PART
X503
C576
C577
R518
14.318180M
14PF
12PF
470
NTSC+N-PAL 17.734476M
12PF
12PF
120
NTSC+M-PAL
22PF
22PF
470
SYSTEM
NTSC ONLY
14.40244M
*CC-490M/CC-990M=NTSC+M-PAL SYSTEM
OSD will not operate. Auto stop occurs. RS501, RS502, Q514, Q515 are defective. WAVEFORM
Tape mode not working. (Taperemaing on reels) Auto REW not working. ES501, ES502, LD501 are defective.
3-28
OSD is unstable.
X503, C517, 518, 519, 576, R517, 589, L506 are defective.
µ-COM is unstable. Q501, Q503, L505 are defective.
C512, C513, C541, C588, R567 are defective.
3-29
3-30
R5G5
O
C500
0.047/5.5
C510
10/16V
LED501
O
LED502
X
DJ07
X
W
9. Diagrama del Circuito de Key-Board
R901
W9N1 W9P1
W9N1 W9P1
3-31
3-32
