Kenwood KRF-X7775D, Руководство по обслуживанию

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P Q S U W Y R T V X
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1
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5
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6
(BOTTOM VIEW)
DIR
DSP
SDRAM (DSP)
LATCH CONT.
(DSP SUB u-COM)
8BIT LATCH
INVERTER (33MHz OSC)
DIGITAL
INVERTER
(DSP REQUEST)
SDRAM (DSP)
DIGITAL
MUTE
INPUT
BUFFER
TX OPT
RX OPT
156 155 154 153 152
151
150 149 148 147 146 145 144 143 142
141
140 139 138 137 136 135 134 133 132
131
130 129 128 127 126 125 124 123 122
121
120 11
9
11
8
11
7
11
6
11
5
11
4
11
3
11
2
111
11
0
109 108 107 106 105
104
103
102
101
100
99
98
97
96
95
94
93
92
91
90
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88
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86
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55
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53
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
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
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188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
VDD GND GND BMS BSEL TCK GND TMS TDI TRST TDO EMU ID0 ID1 NC VDD VDD GND FLAG4(MUTE) FLAG5(OVER LEVEL) FLAG6(HDCD+6dB) GND FLAG7(HDCD) DA
T
A31
DA
T
A30
VDD VDD GND DA
T
A29
DA
T
A28
DA
T
A27
GND VDD DA
T
A26
DA
T
A25
DA
T
A24
VDD GND DA
T
A23
DA
T
A22
DA
T
A21
NC GND DA
T
A20
DA
T
A19
DA
T
A18
VDD DA
T
A17
DA
T
A16
DA
T
A15
GND VDD
DATA14
NC
NC
DATA13
DATA12
GND
DATA11
DATA10
DATA9
VDD
GND
VDD
DATA8
DATA7
DATA6
GND
DATA5
DATA4
DATA3
VDD
DATA2
DATA1
DATA0
GND
FLAG8
FLAG9
FLAG10
VDD
FLAG11
MS3
MS2
GND
GND
MS1
MS0
ACK
GND
VDD
VDD
CPA
SW
REDY
GND
VDD
GND
RD
WR
GND
SBTS
CS
VDD
BMSTR
VDD
RFS0
GND
RCLK0
DR0A DR0B TFS0
TCLK0
VDD
GND
DT0A DT0B
RFS1 GND
RCLK1
DR1A DR1B
TFS1
TCLK1
VDD VDD
DT1A DT1B
PWM EVENT1
GND
PWM EVENT0
BR1
BR2 VDD
CLKIN
XT
AL
VDD
GND
SDCLK1
GND
VDD
SDCLK0(66MHz)
DMAR1 DMAR2
HBR
GND
RAS CAS
SDWE
VDD
DQM
SDCKE SDA1O
GND
DMAG1 DMAG2
HBG
RESET
VDD
GND
ADDR23
ADDR22
ADDR21
VDD
ADDR20
ADDR19
ADDR18
GND
GND
ADDR17
ADDR16
ADDR15
VDD
ADDR14
ADDR13
ADDR12
VDD
GND
ADDR11
ADDR10
ADDR9
GND
VDD
ADDR8
ADDR7
ADDR6
GND
GND
ADDR5
ADDR4
ADDR3
VDD
VDD
ADDR2
ADDR1
ADDR0
GND
FLAG0
FLAG1
FLAG2
VDD
FLAG3
NC
NC
GND
IRQ0
IRQ1
IRQ2
NC
1 2 3 4 5 6 7 8 9 10
OE D0
D1
D2 D3 D4 D5 D6 D7
GND
20 19 18 17 16 15 14 13 12
11
VCC Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 LE
Q4
D4
6 3 4
1
2 5
OE D1 D0 D3 D2
Q1
18 20 19
VCC
Q0
15
Q3
17
Q2
16
LE
9
10
7 8
D7 D5 D6 GND
11
Q7
12 14 13
Q5 Q6
R621 10K R620 10K R619 10K
1000P
C634
R622 1
R618 1
48 47 46 43 42 44
37
C633 1000P
R617 1
C604 1000P
3 2 1
GND
NC
4 5
VCC VCC
4 5
GND
NC
3 1 2
C607
9P
9P
C606
1M
R616
1
C603
1000P
R615 10K R614 10K R613 10K R612 10K
R610 47
1
5
6
7
8
VCC
4
3
2
1
GND
1000P
C601
1
R601
R602 10K R603 10K
R609
C602
1000P
R608 10K
R607 47 R606 47
R675 1
C632 1000P
8
9
10
6
80
1
2
3
R115 1K
C110 0.01
R116 1K
R117 1K
R118 470
R112 10K
R113 1K
R114 1K
R111 1K
R121 1K
R106 1K
R110 10K
C108 0.1
C109 0.1
22P
C103
1000P
C102
C104
22P 12.288MHz
1M
R104
C107 0.1
1M
R103
X1
R119
4.7K
15 14
16
17
18
19
20
21
22
23
24
25
26
27
28
13
12
11
10
9
8
7
6
5
4
3
2
1
DVDD
10u50
+ C
111
R125 100
R672 10K
NC GND
VCC
5 4
1 2 3
R671 100
R670 100
201
206
199
198
R673
100
195
194
193
195
193
194
190
188
189
188
189
190
183
184
185
184
183
185
157
166
165
170
171
169
173
175
174
178
179
180
174
180
153
R668 1
R664 1
R669 100
R662 1
R661
R660 1
R658 100
R663 1
C627 1000P
C626 1000P
C625
C624 1000P
C628 1000P
C629 1000P
C622 1000P
R659 1
C623 1000P
R625 1
58
59
59
58
C608 1000P
R626 10K
R629 10K
71
92
104
101
96
100
97
98
83
91
90
88
87
86
84
82
90
91
91
90
R639 100
R638 100
R635 100 86
87
87 R636 100
86
88
88
R637 100
82
R634 100 84
84
83
83
R633 100
82 R632 100
80
79
R631 100
R630 100
R627 1
R628 1
C610 1000P
C609 1000P
R641 1
C612 1000P
R642 1
C613 1000P
R643 1
C614 1000P
C611 1000P
R640 1
R655 10K R654 10K
10K
R657
1000P
C621
1
R656
R650 100 R651 100 R652 100 R649 100
C620 1000P
R653 1
136 134 138 137
133 132 126 128 127 123
R648 1
C619 1000P
11
3
11
8
109 108 11
2
111
122
121
11
7
11
6
R647 1
C618 1000P
R646 1
C6171000P
R645 1
C616 1000P
R644 1
C615 1000P
37
46
47
189
183
180
184
185
188
42
43
190
174
48
195
194
193
118
112
116
113
117
126
132
128
123
109
111
108
121
122
127
133
DQ4 DQ11 107 90
49
96
50
DQ15
VSS
46
97
98
48
47
VSSQ
DQ14
DQ13
101
45
44
VDDQ
DQ12
2
DQ0
VDD
1
92
5
VSSQ
DQ1
3
4
DQ2
104
100
VDDQ
DQ3
6
7
91
38
DQ9 88
87
43
42
VSSQ
DQ10
41
86
40
39
VDDQ
DQ8
37 CLK
46
NC
UDQM
36
37
47 CKE
NC
33
34
35
13
84 DQ6
VSSQ
DQ5
8
9
10
83
VDDQ
DQ7
11
12
82
43 CAS
15
14
WE
LDQM
18
17
16
RAS
CS
42
189 A4
30
184
180
183
A7
A8
A9
31
32
188
185
A5
A6
28
29
VSS
26
27
190 A3
21
195
48
174
20
19
A0
A10
A11
193
194
23
22
A2
A1
25
24
VDD
R721 100
R722 100
R723 100
153
195
91
90
88
87
86
84
83
82
59
165
179
169
58
R720 4.7K
R719 100
1
5
3 2 1
VCC
5
4
GND
2 3
VCC
4
GND
28 35 31 32 34 29 30 27
83
91
87 88 90 84 86 82
91
87 90 88 86 84 82 83
35 31 34 32 30 29 27 28
58
71
59
C706 1000P
197
R550 100
IC41,42
IC39,40
150
R122 R124
150
R123
100
23 21 19
1
R725
1
R726
2.2
+3.3V +3.3V
+3.3V +3.3V
C703
1000P 1000P
C702
C701 1000P
R623
33MHz
X2
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V +3.3V
+3.3V +3.3V +3.3V
1000P
1
+3.3V
C605
1000P
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
R667 100
R666 100
47P
C112
47P
C114
15P
C113
CDTO
VCC
11
10
9 8
14 13 12
GND
4 5 6 7 1 2 3
DVSS
V/TX
TVDD
XTI
XTO
PDN
R
AVDD
AVSS
RX1
RX2
RX3
RX4
CDTI
CCLK
CS
MCKO1
MCKO2
DAUX
BICK
SDTO
LRCK
ERF
FS96 DET
P/S
AUTO DET
0.1
C101
R101 10
R126
100u10
+
C1
16
R102 100
3
4
1.5K
R105
C105 0.1
R107 18K
1
R108
R127 10K
10K
R120
12
11
5
1
R734 1
R732
100
R665
C705 1000P
100
R731
100
R729
100
R730
100
R728
+B
+B
13
12
10
17
16
15
14
22
20
19
18
25
24
23
44
46
70
70
NC CS
42 9
VDDQ
VSSQ
DQ13
VSS
DQ15
DQ14
50
49
48
47
VSSQ
DQ12
DQ11
DQ10
46
45
44
43
VDDQ
DQ2
DQ1
DQ0
VDD
4
3
2
1
DQ5
DQ4
DQ3
8
7
6
5
LDQM
VDDQ
VSSQ
DQ9
DQ8
41
40
39
38
VDDQ
VSSQ
NC
UDQM
CLK
CKE
37
36
35
34
DQ7
DQ6
13
12
11
10
RAS
WE
CAS
17
16
15
14
29
A9
A8
A7
A6
33
32
31
30
A5
A4
VSS
28
27
26
22
A10
A11
A1
A0
21
20
19
18
VDD
A3
A2
25
24
23
44
46
70
+B
+B
+B
+B +B
+B +B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B +B
+B +B
107
1000P
C630
0.01
C631
R604 10K R605 10K
1
13
R61
1 47
4
10
6
4
13 10
3
11 8
1
1
R727
1K
R624
IC36,37
22
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B +B
+B
+B
+B
+B
+B +B +B
+B +B
+B
+B
10
R674
+B
+B
+B
+B
+B
+B +B +B +B +B +B +B +B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
IC31
IC34
IC6
IC39 IC40
IC37 IC36
IC45
IC35
IC33
IC41 IC42
(X08-3XXX-XX)
IC38
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.2V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
DOLBY and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
Noise reduction circuit made under license from Dolby Laboratories Licensing Corporation. The DC voltage is an actual reading measured with a high impedance type voltmeter with a cassette loaded at playback mode. The measurement
value may vary depending on the measuring instruments used or on the product. Bias circuit DC voltage is measured while in the record mode.