NOTES) Warning
NOTES) Parts that are shaded are critical
NOTES) With respect to risk of fire or
NOTES) electricial shock.
NOTES : Symbol denotes AC ground.
Symbol denotes DC chassis ground.
NAD
3-19 3-20
CIRCUIT DIAGRAM
1. POWER(SMPS) CIRCUIT DIAGRAM (T531B, T531C ONLY)
IMPORTANT SAFETY NOTICE
WHEN SERVICING THIS CHASSIS, UNDER NO CIRCUMSTANCES SHOULD THE ORIGINAL DESIGN BE
MODIFIED OR ALTERED WITHOUT PERMISSION
FROM THE NAD ELECTRONICS CORPORATION. ALL
COMPONENTS SHOULD BE REPLACED ONLY WITH
TYPES IDENTICAL TO THOSE IN THE ORIGINALCIR-
CUIT. SPECIALCOMPONENTS ARE SHADED ON THE
SCHEMATIC FOR EASY IDENTIFICATION.
THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIFFER FROM THE ACTUAL CIRCUIT USED. THIS WAY,
IMPLEMENTATION OF THE LATEST SAFETY AND
PERFORMANCE IMPROVEMENT CHANGES INTO
THE SET IS NOT DELAYED UNTILTHE NEW SERVICE
LITERATURE IS PRINTED.
NOTE :
1. Shaded( ) parts are critical for safety. Replace only
with specified part number.
2. Voltages are DC-measured with a digital voltmeter
during Play mode.
Power dead.
IC101 is defective.
Power dead.
IC102 is defective.
VF+ power dead.
D107 is defective.
-24VApower dead.
D108 is defective.
3.3V power dead.
IC106 and IC107 are defective.
Power control is abnormal.
Q107 and Q108 are defective.
8V Power dead.
IC105 is defective.
Power dead.
IC104 is defective.
3-21 3-22
NOTES) Warning
NOTES) Parts that are shaded are critical
NOTES) With respect to risk of fire or
NOTES) electricial shock.
NOTES : Symbol denotes AC ground.
Symbol denotes DC chassis ground.
NAD
1. POWER(SMPS) CIRCUIT DIAGRAM (T531AH ONLY)
IMPORTANT SAFETY NOTICE
WHEN SERVICING THIS CHASSIS, UNDER NO CIRCUMSTANCES SHOULD THE ORIGINAL DESIGN BE
MODIFIED OR ALTERED WITHOUT PERMISSION
FROM THE NAD ELECTRONICS CORPORATION. ALL
COMPONENTS SHOULD BE REPLACED ONLY WITH
TYPES IDENTICAL TO THOSE IN THE ORIGINALCIR-
CUIT. SPECIALCOMPONENTS ARE SHADED ON THE
SCHEMATIC FOR EASY IDENTIFICATION.
THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIFFER FROM THE ACTUAL CIRCUIT USED. THIS WAY,
IMPLEMENTATION OF THE LATEST SAFETY AND
PERFORMANCE IMPROVEMENT CHANGES INTO
THE SET IS NOT DELAYED UNTILTHE NEW SERVICE
LITERATURE IS PRINTED.
NOTE :
1. Shaded( ) parts are critical for safety. Replace only
with specified part number.
2. Voltages are DC-measured with a digital voltmeter
during Play mode.
Power oscillator dead.
Q101 is defective
Q101 failure caused D101 failure.
D101 is defective.
VF+ power dead.
D107 is defective.
-24VApower dead.
D108 is defective.
3.3V power dead.
IC106 and IC107 are defective.
Power control is abnormal.
Q107 and Q108 are defective.
8V Power dead.
IC105 is defective.
Power dead.
IC104 is defective.
Power dead.
IC108 is defective.
If fuse fails atstarup.
Q101 and Q102 are defective.
3-23 3-24
5
56
TRACKING LOOP
FOCUS LOOP
SLED LOOP
SPINDLE LOOP
WAVEFORM
NAD
IC204 is defective.
Scratched CD Audio abnormal.
IC203 is defective.
AD Converter Error
- No tracking/Focus control
2. DVD DSP CIRCUIT DIAGRAM
3. DRIVE & RF CIRCUIT DIAGRAM
4
1
1
6
2
3
TRACKING LOOP
FOCUS LOOP
SLED LOOP
SPINDLE LOOP
WAVEFORM
NAD
3-25 3-26
IC2A2 is defective.
No fucus & tracking control.
Q2A1, Q2A2 are defective.
CD/DVD LD will not be on.
3-27 3-28
4. MPEG CIRCUIT DIAGRAM
• NO DVD SCREEN DISPLAY
• NO VCD SCREEN DISPLAY.
• NO CD SOUND OUT.
• NO 2CH AUDIO OUT
• NO 2CH AUDIO OUT
1
7
2
4
3
5
6
WAVEFORM
NAD
IC302, IC303 are defective.
A/V out bad.
3-29 3-30
5. AUDIO DM CIRCUIT DIAGRAM
2CH L SIGNAL
2CH R SIGNAL
’01.09.10 R10674A
NAD
Q401 is defective.
2CH Audio out bad.
IC403 is defective.
Audio bad.
IC402 is defective.
2CH Audio out bad.
IC401 is defective
2CH Audio out bad
3-31 3-32
6. µ-COM/EXPANDER CIRCUIT DIAGRAM
FLASH ROM DRAM
MAIN CPU
E
X
P
A
N
D
E
R
EEPROM
CPLD
NAD
Servo will not operate
X501 No Power on
Video output level is unstable
Open, Close Error
Servo will not operate
FLD Error
3-33 3-34
7. DIGITRON(TIMER) & KEY CIRCUIT DIAGRAM
PAUSE
'01. 09. 10 R10675A
NAD
IC902 is defective.
Reset Error.
RC901 is defective.
R/C Error.
DIG901 is defective.
FLD is distorted.
3-35 3-36
8. SCART CIRCUIT DIAGRAM
S VIDEO (C)
AUDIO (L)
AUDIO (R)
OPTICAL
COMP.VIDEO
S VIDEO (Y)
'01. 09. 10 R10676A
NAD
16:9 can’t be changed
Scart Mode can’t be changed
3-37 3-38
9. JACK CIRCUIT DIAGRAM
S VIDEO (C)
AUDIO (L)
AUDIO (R)
OPTICAL
COMP.VIDEO
S VIDEO (Y)
NAD
3-39 3-40
• CIRCUIT VOLTAGE CHART
EE PLAY
MODE
PIN NO.
DSP
IC201 SP3301
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
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.00
0.00
0.00
0.00
0.00
0.00
3.10
0.00
0.00
0.00
0.00
0.00
2.10
0.00
2.10
3.10
3.10
3.10
3.10
2.10
1.10
0.00
0.00
0.00
3.10
0.00
3.10
0.00
0.00
3.10
0.00
0.00
0.00
0.00
0.00
0.00
3.10
0.00
1.30
1.30
1.30
1.30
1.30
1.30
1.30
1.30
1.30
1.30
1.30
1.30
1.30
1.30
1.30
1.30
0.00
1.50
1.50
1.50
1.50
3.00
1.50
1.50
1.50
1.50
1.50
1.50
0.00
2.00
3.00
1.50
2.50
2.50
1.30
1.80
0.00
0.00
0.00
3.00
0.00
3.00
0.00
0.00
3.00
0.00
0.00
0.00
3.00
0.00
0.00
1.80
0.00
EE PLAY
MODE
PIN NO.
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
3.10
3.10
0.00
0.00
5.00
0.00
0.00
5.00
0.00
2.10
0.00
3.10
0.00
3.10
0.00
0.00
0.00
3.10
0.00
0.00
3.10
0.00
0.00
0.00
0.00
3.10
5.00
0.00
5.00
2.10
2.10
3.10
1.40
0.00
2.10
2.10
0.00
1.50
3.10
1.60
1.10
2.00
1.55
0.00
1.55
1.56
3.10
1.55
1.55
1.62
1.55
1.50
0.00
0.00
0.00
3.00
3.00
0.00
3.13
4.98
0.00
0.00
4.98
0.00
2.10
0.00
3.00
0.00
3.12
0.00
0.20
0.00
3.10
0.20
0.00
3.10
0.00
0.00
0.00
2.30
3.10
5.00
0.00
5.00
2.00
2.10
3.10
1.40
0.00
2.00
2.00
0.00
1.55
3.12
1.55
1.11
2.00
1.55
0.00
1.55
2.15
3.10
1.58
1.55
1.64
1.55
1.50
0.00
0.00
0.00
EE PLAY
MODE
PIN NO.
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
0.00
0.00
0.00
0.00
3.40
5.00
1.50
1.50
3.10
0.00
0.00
3.50
3.25
3.45
3.50
3.50
3.50
0.00
3.60
0.00
3.60
0.00
0.00
0.00
3.10
0.00
0.00
3.10
0.00
0.00
3.10
3.00
0.00
3.00
3.10
3.10
3.10
3.50
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1.55
3.10
1.50
0.00
0.00
2.60
3.10
2.00
2.00
0.00
0.00
0.00
0.00
4.70
5.00
1.50
1.53
3.10
0.00
0.00
4.20
4.20
4.30
4.30
4.30
4.50
0.00
2.60
0.00
2.60
0.20
0.00
3.10
3.10
0.00
0.00
2.20
0.00
0.00
3.10
3.10
0.00
3.00
3.10
3.10
0.90
4.50
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
1.55
3.10
1.50
0.00
0.00
2.60
3.10
2.00
2.00
EE PLAY
MODE
PIN NO.
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
1
2
3
4
5
6
7
8
9
1.40
3.20
1.60
0.00
0.00
0.00
5.00
0.00
3.10
3.10
3.10
3.10
2.53
4.24
5.00
2.70
3.26
3.10
2.40
3.66
2.40
0.00
2.26
3.10
2.20
1.75
2.20
1.80
2.20
1.25
1.00
5.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
3.10
1.50
3.10
3.10
3.16
2.01
2.01
2.02
2.02
3.16
2.02
2.02
2.02
1.40
0.00
1.75
0.00
3.10
3.10
2.50
2.50
0.00
3.10
3.10
3.10
1.30
4.97
5.00
0.20
2.30
2.50
2.50
2.80
2.50
0.00
2.00
3.10
2.40
1.90
1.80
1.80
2.20
1.30
1.10
5.00
2.25
1.60
1.50
1.50
1.50
1.50
1.50
1.50
1.50
2.60
1.50
3.10
3.10
3.18
2.07
2.07
2.07
2.07
3.18
2.08
2.07
2.07
EE PLAY
MODE
PIN NO.
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
35
36
37
38
39
40
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
2.02
0.10
0.26
2.08
3.16
0.00
0.00
0.00
0.00
0.00
3.15
0.00
0.00
0.00
0.00
0.00
0.00
1.06
3.14
3.14
0.00
2.01
2.02
2.02
2.02
0.00
2.02
2.02
2.02
2.02
0.00
1.50
0.00
0.00
0.00
3.10
1.50
2.72
5.00
2.60
2.80
2.80
0.00
2.10
2.20
2.20
5.00
2.00
2.00
2.00
0.00
1.10
2.07
0.00
0.00
2.09
3.17
0.00
0.00
0.00
0.00
0.00
3.18
0.00
0.00
0.00
0.00
0.00
0.00
1.07
3.17
3.16
0.00
2.08
2.08
2.08
2.08
0.00
2.08
2.08
2.08
2.08
0.00
1.50
0.00
0.00
0.00
3.10
1.50
2.60
5.00
2.60
2.70
2.70
0.00
2.10
2.20
2.20
5.00
2.00
2.00
2.00
0.00
1.10
EE PLAY
MODE
PIN NO.
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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
1
1.10
1.10
5.00
5.02
5.01
2.08
2.12
5.01
0.20
0.00
7.92
7.92
0.00
3.87
0.00
0.00
0.00
0.00
0.00
1.84
1.84
2.12
7.92
7.92
2.07
2.07
2.07
2.06
4.04
4.04
4.04
4.04
0.00
0.00
4.03
4.01
7.93
4.02
4.02
0.00
0.00
0.00
7.92
2.07
0.00
5.01
5.01
5.01
5.01
5.01
5.01
3.44
1.10
1.10
5.00
0.80
2.48
2.07
1.95
4.98
0.60
0.00
7.89
7.87
3.07
0.00
0.00
0.00
5.34
5.33
5.34
1.84
1.84
1.95
7.88
7.88
2.05
2.05
2.05
2.05
4.01
4.01
4.04
3.98
0.00
0.00
4.10
3.90
7.88
4.01
4.01
0.00
0.00
0.00
7.90
2.06
0.00
2.90
2.90
2.90
2.90
2.90
2.90
3.38
IC205 GM71C4260CJ
IC204 4W53FU
IC206 7W04FU
IC203 NJM3414AM
SERVO
IC2M1 FAN8727
IC2A1 33P3721
EE PLAY
MODE
PIN NO.
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
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
3.12
2.50
2.51
3.50
3.46
3.47
3.47
3.48
3.43
2.52
2.52
2.52
2.52
2.56
2.48
2.98
0.00
4.50
0.00
0.00
4.96
0.00
4.95
5.00
2.52
1.55
4.97
0.00
2.55
2.51
4.90
0.00
0.00
0.00
1.56
3.58
2.62
0.00
2.50
1.55
1.46
1.58
2.52
4.92
4.99
0.00
0.00
3.59
0.00
2.35
2.37
3.51
3.51
0.61
1.67
3.40
2.50
2.53
3.44
3.44
3.45
3.44
3.44
3.41
2.70
2.70
2.60
2.60
2.70
2.50
3.30
0.00
4.58
0.00
0.20
3.85
0.00
4.92
0.00
2.50
1.55
4.93
0.40
2.63
2.56
4.65
0.20
2.60
2.50
2.15
0.00
3.20
2.60
2.60
1.60
1.65
1.64
2.50
4.97
5.00
0.00
0.00
0.00
0.00
0.00
2.30
3.47
3.46
0.00
2.42
EE PLAY
MODE
PIN NO.
2.95
4.98
3.48
3.48
3.71
3.75
0.27
2.40
1.57
1.57
1.57
0.00
1.63
1.64
2.62
4.97
0.00
2.40
2.40
0.00
0.00
2.00
5.20
0.00
3.13
0.15
3.13
1.07
5.00
0.00
3.14
3.00
2.60
2.60
2.60
2.60
2.50
0.00
2.60
2.60
2.60
2.60
0.00
3.13
3.10
3.10
3.10
3.10
3.10
3.10
3.10
2.88
4.93
3.40
3.40
3.70
3.70
0.36
0.90
1.54
1.54
1.54
0.00
1.64
1.64
2.42
4.93
0.00
2.50
2.40
0.00
0.00
2.00
5.20
0.00
3.10
0.20
3.10
4.00
5.00
0.00
3.10
3.00
2.60
2.60
2.60
2.60
2.50
0.00
2.60
2.60
2.60
2.60
0.00
3.10
2.90
2.90
2.90
2.80
2.80
2.80
2.70
EE PLAY
MODE
PIN NO.
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
3.10
3.10
2.65
0.00
3.13
0.00
0.00
0.00
2.50
0.00
0.00
0.00
3.13
0.00
0.00
3.13
0.00
3.13
3.10
3.10
3.10
3.10
3.10
3.10
3.10
0.00
0.00
3.12
0.00
1.00
1.00
0.70
1.00
0.90
1.20
0.80
3.12
0.00
0.10
2.50
0.00
0.90
0.90
0.62
0.36
0.95
3.12
0.00
0.55
0.00
1.55
3.12
0.00
0.60
3.12
2.70
3.10
2.60
0.00
3.10
0.00
0.00
0.00
2.50
0.00
0.00
0.00
3.10
0.00
0.00
3.10
0.00
3.10
3.10
3.10
3.10
3.10
3.10
3.10
3.10
1.20
1.20
3.10
0.00
1.20
1.20
1.30
1.20
1.20
1.50
1.34
3.20
0.00
1.20
2.50
0.00
1.10
1.30
1.10
1.10
1.20
3.10
0.00
1.20
0.00
1.50
3.10
0.00
0.90
3.10
EE PLAY
MODE
PIN NO.
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
0.00
1.20
1.10
0.30
2.47
0.00
0.13
0.22
0.00
3.12
0.00
2.35
2.20
0.00
0.00
0.37
0.65
3.12
0.00
1.20
0.20
1.30
0.00
1.45
1.00
1.50
1.50
1.50
3.10
3.10
3.00
2.95
3.12
0.00
2.91
0.00
0.00
0.00
0.00
1.56
3.12
0.00
1.56
1.56
1.56
2.47
0.00
0.00
0.00
0.00
0.78
3.10
3.10
0.00
0.00
0.00
1.50
1.40
1.40
2.40
0.00
1.40
3.00
1.60
3.10
0.00
2.70
2.20
3.00
1.10
0.30
0.60
3.10
0.00
1.30
1.40
0.00
0.00
1.50
1.30
1.50
1.50
1.50
3.10
3.10
0.20
0.20
1.10
0.00
0.20
0.00
0.00
1.60
1.60
1.60
3.10
0.00
1.60
1.60
1.60
2.30
0.00
0.00
0.00
0.00
1.20
3.10
3.10
0.00
0.00
IC2A2 NJM3414
IC2A3 AD829
IC301 ZIVA4.1
MPEG
57
58
59
60
61
62
63
64
1
2
3
4
5
6
7
8
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
EE PLAY
MODE
PIN NO.
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
0.00
0.54
3.10
3.10
0.00
0.00
0.00
0.67
3.10
3.10
0.00
0.00
0.00
1.00
3.10
3.10
0.00
1.30
3.10
0.00
3.16
2.23
3.13
0.00
0.00
0.00
0.00
0.00
0.00
3.12
0.00
0.00
0.00
0.00
0.00
1.54
0.00
3.12
0.00
3.12
0.00
3.12
3.12
3.12
0.15
2.32
2.54
3.12
3.12
3.12
0.00
2.50
3.12
0.00
3.12
0.00
1.00
3.10
3.10
0.00
0.00
0.00
1.40
3.10
3.10
0.00
0.00
0.00
1.00
3.10
3.10
0.00
1.30
3.10
0.00
3.11
2.21
3.12
1.50
1.50
1.50
1.50
1.50
0.00
3.12
1.50
1.50
1.50
2.62
1.50
1.50
0.00
3.11
0.00
3.12
0.00
3.10
3.10
0.00
0.16
2.30
2.50
3.12
3.12
3.12
0.00
2.44
3.11
0.00
3.11
EE PLAY
MODE
PIN NO.
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
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
35
36
37
38
3.12
3.12
3.12
1.05
0.00
0.00
1.25
2.17
1.80
0.00
1.80
3.12
0.00
2.20
2.26
5.00
3.15
0.65
0.70
0.00
0.92
0.77
3.13
0.71
0.90
0.00
0.86
1.10
3.16
0.00
2.97
1.54
2.35
3.13
1.23
0.64
0.64
1.23
1.42
1.32
3.13
0.00
1.47
1.40
1.16
0.60
0.60
0.00
0.00
3.13
1.54
0.00
0.30
3.13
3.12
3.12
3.12
3.12
1.05
0.00
1.34
2.10
1.75
1.90
1.90
3.10
0.00
2.38
2.10
5.00
3.10
1.20
1.20
0.00
1.10
1.10
3.15
0.95
1.30
0.00
0.90
1.50
3.10
0.00
2.90
1.60
2.70
3.10
1.00
0.30
0.70
1.20
1.40
1.30
3.10
0.00
1.40
1.40
1.40
1.40
0.90
0.00
0.00
3.14
1.50
0.00
0.00
3.14
EE PLAY
MODE
PIN NO.
39
40
41
42
43
44
45
46
47
48
49
50
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
35
36
37
38
39
40
41
42
0.53
0.56
0.93
0.00
0.59
3.14
0.92
0.84
0.00
0.87
0.77
0.00
3.15
0.65
0.70
0.00
0.92
0.77
3.13
0.71
0.90
0.00
0.86
1.10
3.16
0.00
2.97
1.54
2.35
3.13
1.23
0.64
0.64
1.23
1.42
1.32
3.13
0.00
1.47
1.40
1.16
0.60
0.60
0.00
0.00
3.13
1.54
0.00
0.30
3.13
0.53
0.56
0.93
0.00
1.20
1.20
0.00
1.20
1.10
3.14
1.40
1.50
0.00
1.40
1.10
0.00
3.10
1.20
1.20
0.00
1.10
1.10
3.15
0.95
1.30
0.00
0.90
1.50
3.10
0.00
2.90
1.60
2.70
3.10
1.00
0.30
0.70
1.20
1.40
1.30
3.10
0.00
1.40
1.40
1.40
1.40
0.90
0.00
0.00
3.14
1.50
0.00
0.00
3.14
1.20
1.20
0.00
1.20
EE PLAY
MODE
PIN NO.
43
44
45
46
47
48
49
50
1
2
3
4
5
6
7
8
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
0.59
3.14
0.92
0.84
0.00
0.87
0.77
0.00
2.67
2.76
2.76
0.00
2.22
2.23
2.23
5.00
1.56
2.48
2.56
0.00
2.47
2.56
2.56
5.00
1.57
0.00
1.57
2.22
1.57
3.05
3.73
4.99
5.03
0.00
3.50
3.20
1.47
0.00
4.91
2.00
2.00
1.49
0.00
5.02
0.00
5.00
0.00
4.90
1.24
0.00
4.98
1.10
3.14
1.40
1.50
0.00
1.40
1.10
0.00
2.76
2.76
2.76
0.00
2.21
2.22
2.22
4.99
1.56
2.46
2.55
0.00
2.46
2.55
2.55
4.99
1.57
1.56
1.57
1.22
1.57
3.82
4.01
4.89
5.02
2.44
2.47
2.40
2.47
2.09
4.92
2.48
4.49
4.96
0.00
5.02
5.02
5.53
0.00
4.89
5.27
0.00
3.00
EE PLAY
MODE
PIN NO.
28
1
2
3
4
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
35
36
37
38
39
40
41
42
43
44
45
46
47
48
4.99
5.03
0.00
11.84
12.78
0.00
0.00
0.00
0.00
0.00
0.00
0.00
4.75
2.40
2.40
2.40
2.40
2.40
2.40
2.40
2.40
0.00
4.75
0.00
4.75
0.00
4.75
0.00
4.75
0.00
4.75
0.00
4.75
0.00
4.74
0.00
0.00
1.45
0.00
5.10
3.10
3.10
1.57
1.56
1.59
1.59
0.00
3.10
0.00
0.00
0.00
0.00
3.10
4.08
5.03
0.00
11.85
12.69
0.00
0.00
0.00
0.00
0.00
0.00
0.00
4.74
2.40
2.40
2.40
2.40
2.40
2.40
2.40
2.40
0.00
4.74
0.00
4.74
0.00
4.74
0.00
4.74
0.00
4.74
0.00
4.74
0.00
4.74
0.00
0.00
0.10
0.00
5.10
3.10
3.10
1.56
1.55
1.58
1.58
0.00
3.06
0.00
1.20
1.20
1.20
0.00
EE PLAY
MODE
PIN NO.
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
33
34
35
36
37
38
39
40
41
42
43
44
5.36
5.37
5.37
0.00
5.36
5.37
5.37
11.80
0.00
3.10
0.00
2.20
2.20
1.70
2.20
1.80
2.20
1.20
1.00
0.00
0.00
0.00
5.00
0.90
0.70
0.00
0.00
0.00
0.00
0.00
1.20
2.60
2.70
1.50
1.80
2.90
1.80
1.90
0.00
0.90
0.80
2.10
2.20
0.70
0.70
0.70
0.70
0.00
0.70
2.20
5.00
0.70
5.37
5.35
5.35
0.00
5.37
5.37
5.35
11.78
0.00
3.13
0.00
1.06
2.22
1.74
0.97
1.82
0.95
0.95
0.94
0.00
2.06
1.27
1.94
1.94
0.92
1.28
2.06
2.52
2.13
0.00
0.99
2.29
2.52
1.04
2.98
2.33
2.80
1.25
0.00
1.78
2.28
3.93
2.72
0.88
3.77
0.92
0.97
0.00
0.50
1.35
4.97
0.32
EE PLAY
MODE
PIN NO.
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
0.70
0.50
0.50
3.40
4.90
2.60
4.90
0.00
0.00
4.90
5.00
4.90
5.00
0.00
1.60
0.00
0.00
5.00
0.00
0.00
5.00
0.20
5.00
0.00
3.20
5.00
2.40
0.00
2.40
2.20
5.00
5.00
5.00
5.00
4.80
4.90
0.00
0.00
5.00
4.90
4.90
4.50
1.60
4.90
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
4.95
4.95
4.95
0.95
0.25
0.25
0.53
4.84
4.94
4.83
0.00
2.90
4.75
4.57
4.96
4.94
0.00
1.17
0.00
0.00
4.97
0.00
0.16
4.99
3.55
4.96
0.00
0.00
4.97
2.37
0.00
2.24
2.11
4.97
4.96
4.97
4.97
4.81
4.98
0.00
0.00
4.98
4.97
4.98
4.98
2.20
0.00
0.00
3.11
0.00
4.07
3.11
0.00
4.00
0.00
4.97
4.97
3.58
EE PLAY
MODE
PIN NO.
100
101
102
103
104
105
106
107
108
109
110
111
112
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
35
36
37
38
39
40
41
2.07
4.86
4.24
4.75
2.96
4.95
0.00
5.03
4.99
0.00
0.00
5.00
0.00
0.50
0.90
1.00
3.80
1.00
0.60
4.00
2.30
0.20
0.20
5.00
5.00
3.70
0.20
0.20
0.43
0.30
1.80
1.20
2.80
2.40
3.00
2.60
2.50
2.30
0.55
0.00
1.20
2.26
2.08
2.20
1.66
1.75
1.13
2.19
1.68
5.00
1.82
1.29
2.17
2.05
2.10
0.00
0.00
4.97
4.93
2.53
0.00
5.03
4.97
3.11
0.00
4.97
4.97
0.90
1.00
1.20
2.80
1.50
2.90
3.70
2.92
0.20
5.00
5.00
4.47
4.40
0.10
0.20
0.60
0.40
2.20
2.09
2.70
2.51
2.80
2.50
2.50
2.30
0.70
0.00
1.30
2.12
2.12
2.22
1.96
1.88
1.34
1.89
1.70
5.00
1.76
1.13
2.10
2.26
EE PLAY
MODE
PIN NO.
42
43
44
45
46
47
48
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
35
36
37
38
39
40
1
2
3
4
5
6
1.25
2.49
1.05
2.15
0.00
5.00
1.40
4.98
2.10
2.18
1.73
2.19
4.98
1.80
2.19
1.24
1.04
0.00
0.18
4.96
4.87
0.00
2.30
2.53
2.57
3.07
4.97
0.00
2.33
2.80
1.12
1.62
2.26
1.17
4.85
4.86
3.28
2.03
1.63
1.12
1.63
0.00
1.33
2.03
2.53
2.17
0.00
0.00
5.00
5.00
0.00
0.00
0.00
1.34
2.47
1.20
1.80
0.00
5.00
2.17
4.96
2.25
1.70
0.00
2.26
4.96
0.00
0.60
1.52
0.00
0.00
0.00
4.93
4.88
0.00
2.26
1.80
0.35
0.35
4.97
0.00
2.10
0.00
0.00
3.85
0.72
2.18
4.88
4.88
2.17
0.78
1.10
0.78
0.78
0.00
0.00
0.00
0.00
0.00
0.00
0.00
4.98
0.00
0.30
0.00
0.00
EE PLAY
MODE
PIN NO.
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
35
36
37
38
39
40
41
42
43
44
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
4.96
5.00
0.13
4.99
0.13
5.00
0.00
4.99
4.99
3.14
0.00
3.12
4.97
4.99
4.97
4.98
4.97
5.00
0.00
5.00
0.00
0.24
0.70
0.70
4.06
0.00
4.81
4.99
4.99
4.99
0.00
0.00
2.26
2.18
1.73
2.18
1.81
4.95
0.00
5.03
2.26
2.20
5.03
0.00
1.75
2.19
5.02
0.00
5.00
5.00
1.80
2.20
5.00
0.00
4.94
4.97
0.00
4.97
0.00
0.00
0.00
4.98
4.98
0.00
0.00
3.15
4.98
4.70
4.95
4.97
4.95
4.98
0.00
4.97
0.00
0.24
0.24
0.44
4.03
4.97
4.81
4.98
4.98
4.98
0.00
4.98
1.25
2.21
1.73
2.16
1.81
4.94
0.00
5.02
2.13
2.40
5.01
0.00
1.88
1.90
5.01
0.00
5.00
5.01
1.76
2.10
5.00
0.00
IC503 16256HK
IC506 XC9536
IC505 HC374P
IC302 161621
IC303 161621
IC304 7W04FU
IC305 7W04FU
AUDIO
IC305 7W04FU
IC403
IC403
IC402 NJM4580
IC502 FLASH ROM
IC501 HD6417034AF
SYSTEM
3-41 3-42
3-43 3-44
EE PLAY
MODE
PIN NO.
17
18
19
20
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
33
34
35
36
37
38
39
40
1.30
1.00
0.00
5.00
0.00
0.00
0.00
0.00
4.99
4.98
0.00
4.99
5.00
0.00
2.77
2.86
0.70
5.00
4.98
4.93
4.94
4.97
4.97
4.97
4.97
4.97
4.86
0.00
4.80
0.00
4.78
0.00
4.96
4.97
0.00
4.99
5.00
1.18
4.11
4.96
4.96
4.97
4.96
4.97
4.96
4.96
4.96
4.97
4.97
4.96
4.77
4.80
1.34
1.10
0.00
5.00
0.00
0.00
0.00
0.00
4.97
4.97
0.00
0.00
5.01
0.00
2.52
2.86
0.00
5.00
4.96
4.92
4.95
2.89
4.97
3.00
4.96
3.30
4.90
0.00
4.81
4.31
4.76
0.00
4.98
4.98
0.00
5.00
5.00
1.14
4.12
4.96
4.97
4.96
4.97
4.97
4.96
4.97
4.97
4.97
4.96
4.96
4.97
4.80
EE PLAY
MODE
PIN NO.
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
1
2
3
1
2
3
4
5
6
7
8
9
10
-21.60
-22.90
-22.30
-17.80
-12.40
-9.30
-18.90
-15.60
-17.00
-16.90
-18.60
-18.00
-18.40
-20.20
-18.60
-16.90
-18.50
-18.50
5.00
-25.00
-20.40
-16.90
-18.00
-17.80
-17.60
-17.70
-17.70
-17.50
-17.50
-17.70
-17.30
-17.30
-17.20
-17.20
-17.20
-17.10
-17.50
-17.30
-17.30
-16.80
5.09
0.00
5.07
4.55
2.24
3.82
0.00
3.82
2.95
2.24
2.74
3.66
0.00
-22.00
-21.60
-21.30
-16.80
-12.30
-18.00
-16.70
-15.00
-17.50
-16.00
-18.10
-18.30
-20.00
-24.80
-23.70
-23.60
-23.50
-24.40
5.02
-27.00
-20.00
-16.90
-18.40
18.30
-18.70
-18.00
-18.20
-18.70
-18.70
-18.80
-19.40
-19.50
-21.80
-21.80
-21.90
-21.80
-21.80
-21.80
-21.80
-21.80
5.00
0.00
5.00
4.54
2.24
3.82
0.00
3.82
2.63
2.24
2.73
3.17
0.00
EE PLAY
MODE
PIN NO.
11
12
13
14
15
16
4.58
2.24
1.94
4.54
0.00
4.57
4.57
2.24
8.93
4.53
0.00
4.57
IC504 24C02N
IC901 78032
FRONT
JACK
IC902 7042P
CollectorBaseEmitter
EE PLAYEE PLAYEE PLAY
0.00
2.20
0.50
0.00
0.00
5.02
0.98
0.72
0.89
0.88
12.65
0.00
12.65
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
-1.00
0.00
0.00
0.00
0.00
0.00
0.96
0.00
4.08
0.00
5.03
0.98
1.05
1.30
1.31
12.73
0.00
12.72
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
4.96
0.00
0.00
0.00
0.00
4.98
4.01
4.93
5.03
4.99
0.00
-0.30
0.00
0.00
-0.35
11.89
5.06
0.00
5.03
0.89
1.15
0.00
-0.70
-0.60
0.00
-0.70
-0.90
-0.50
-0.50
4.92
2.50
1.08
-1.20
-0.60
4.98
4.97
4.96
4.32
5.03
0.00
-0.30
0.00
0.00
-0.49
11.97
5.03
0.00
5.04
1.31
1.31
0.78
0.77
0.76
0.76
0.75
0.76
0.76
0.76
4.29
2.96
1.31
0.76
0.76
0.00
4.69
4.93
5.33
5.03
0.00
0.00
0.00
0.00
0.00
12.67
0.00
0.00
0.00
1.53
1.70
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
5.09
3.91
1.74
0.00
0.00
0.00
4.67
4.97
5.04
5.04
0.00
0.00
0.00
0.00
0.00
12.74
0.000
0.00
0.00
1.99
1.99
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
5.09
3.62
1.99
0.00
0.00
Q2M1
Q2A1
Q2A2
A401
A402
A403
A404
A405
A406
A407
Q601
Q602
Q603
Q604
Q605
Q606
Q607
Q608
Q609
Q610
Q611
Q612
Q613
Q614
Q615
Q616
Q617
Q618
Q619
AUDIO
JACK
SERVO
3-45 3-46
• WAVEFORMS
(Circuit 3 DRIVE & RF)
IC2A1 Pin 42, Focus Error
IC2A1 Pin 36, Pi
IC2A1 Pin 41
Tracking Error
IC301 Pin 139
Component Y
IC2A1 Pin 41
VBR TRACKING Error
IC2A1 Pin 57,
RF
IC201 Pin 88, SLED Drive(FMO)
IC201 Pin 18, SLED FG
IC2A1 Pin42, Focus Error(in Focus Search)
IC201 Pin 83, Focus Drive(FDO)
(Circuit 4 MPEG)
IC301 Pin 133, Composite IC301 Pin 151, Chrominance
(Super video out Mode)
Tek
Stop :
2.50MS/s
4 Acqs
M20.0µs
2 Apr 1999
14:47:27
Glitch
Ch1
Ch3
500mV
[T ]
T
3
IC301 Pin 145, Luminance
(Super video out Mode)
Tek
Stop :
1 00kS/s
3290 Acqs
M 500µs
CH1
280/mV
Edge Slope
Type
<Edge>
Source
Ch1
Coupling
DC
Level
280mV
Mode
&
Holdoff
3
Ch3
1.00V
[ T ]
Slope
T
IC301 Pin 159,
MPEG Clock(27MHz)
IC301 Pin 145
Component Pb
IC301 Pin 151
Component Pr
3-47 3-48
PRINTED CIRCUIT DIAGRAMS
1. MAIN P.C.BOARD
LOCATION GUIDE
(Solder Side)
3-49 3-50
2. Power, A/V, Front P.C.BOARD
LOCATION GUIDE
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