Front End 1 Section - JVC UX-G950VB Service Manual

Front end 1 section

PICKUP ASS'Y
C101
GND 24
C102 VREFH
VS
23
0.1
VCC 22
0.1
E
E 21
F
F 20
QAL0786-***
D
D 19
(OPA-652PH*) A
A 18
B
B 17
C
C 16
RF+
+RF 15
R130 NI
NC
14
PD(CD) 13
GND 12
R101 100
VR(CD) 11
LD(CD)
10
C107 0.1
LD(DVD) 9
C103 0.1
GND 8
R102 100 R132 NI
VR(DVD) 7
C104 0.1
VCC(HF) 6
PD(DVD)
5
F+
F+ 4
F-
F- 3
T+
T+ 2
T-
T-
1
TRA MECHA ASS'Y
C109 4.7
FXL-D10-1M
K101
R131
NQR0502-001X 4.7
FEED MOTOR
FM+
QAR0165-001
FM+ 8
FM-
FM-
7
R201
TRVSW 6
R202 470
SPINDLE MOTOR
SWGND 5
WOUT 1k
WOUT 4
VOUT
VOUT
3
UOUT
QAR0386-001 UOUT 2
COM
COM 1
C260 0.022
C261 0.022
R291
M9V C262 0.022
0
C290
TP291
MECHA
NI
CHASSIS TP292 R290
0
C291
NI
24 23 22 21 20 19 18 17 16 15 14 13 49 12 11 10 9
25 26 27 28 29 30 31
TP220
SPDRV
MGND
K354
48MHz NQR0022-002X
OSC
C370
0.1
DVDPWR
3 2 1
4 5 6
CN301
NI
for ICE D301
NI
VCC 1
CPURST
RESET
2
R306 1k
SCLK
3
DGND 4
R307 1k
SDATA 5
DGND SDA
6
SCK
UCLK
UCS
S5V S3.3V SDA
SCK
ADIN
LASER DRIVER
AOUT2
AOUT1
T T
AOUT0
R104
R112
4.3k 4.3k
R115 R107
1k 1k
Q103 Q101
DEMP
Q104 Q102
2SC5383/E/-X 2SC5383/E/-X COPY
OR OR
2SC4617R/-X 2SC4617R/-X
AD4
TRACK
INDEX
S5V
TRVSW
C203
0.01
M5V
C205
270p
R204 TRDRV
NI 27k
C264
R206
30k
C204
R219 R384
VHALF2
0.1
18k 1k
8 7 6 5 4 3 2 1
IC201
DRIVER
LA6502-X
32 33 34 35 36 50 37 38 39 40 41 42 43 44 45 46 47 48
R213
R207
10k 47k
C211 C206
0.022 150p
NOTES
1. VOLTAGES ARE DC-MEASURED WITH A DIGITAL
CONDITION ---
2. UNLESS OTHERWISE SPECIFIED.
ALL RESISTORS ARE
ALL CAPACITORS ARE
ALL RESISTANCE VALUES ARE
ALL CAPACITANCE VALUES ARE IN
ALL E.CAPACITORS ARE SHOWN IN THE FORM
ALL INDUCTANCE VALUES
D2V D1.2V REG.
C328
0.01
3.9V
Cont Cn D1.2V
0V 0V
NC GND
0V
NC NC
1.2V P3.3V
Vin Vo
C302
47/4
IC302
MM1701CH-X
DGND
EEPROM
C564 0.1
SDA GND
SCL A2 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
WP A1
VCC A0
R353 100 (UCLK)
55 S2CLK
IC510
R310 100 (UCS)
56 P9
S-24CS16A0I-G-X
57 S3OUT (SDA)
58 S3CLK (SCK)
59 P12 (ADIN)
R304 4.3k NEN
TP334
60 P13 (NEN)
61 P14 (VCLKO)
R359 NI
62 DRV5 (AOUT2)
NI
R360
63 DRV4 (AOUT1)
R357 220
64 DRV3 (AOUT0)
NOC
TP303 65 DRV2 (NOC)
SPDRV R373 10k
66 DRV1 (SPDRV)
TP302
TRSDRV R372 10k
67 DRV0
(TRSDRV)
0.01
C310 C309
68 VSS
0.1 0.1
0.015 69 VDD33
CPURST
70 NRST
FG R308 NI
71 FG
R309 100k
72 SCLOCK
C350 0.0022
73 SDATA
TP326
R331 NI
74 EXTRG0 (MONI0) (DEMP)
TP327
R330
NI
75 EXTRG1 (MONI1) (COPY)
TP328
(MONI2)
76 TRCCLK
TP329
ADCPDN R332 NI
(MONI3) (ADCPDN)
77 TRCDATA0
TP330
R329 NI
(MONI4) (TRACK) (DISCSTP)
78 TRCDATA1
TP331
R328 NI
79 TRCDATA2 (MONI5) (INDEX) (DISCSET)
TP332
DAC0CS
R323 330
80 TRVDATA3 (MONI6) (DAC0CS)
TP333
DAC1CS R322 NI
(MONI7) (DAC1CS)
81 TRCST
82 VSS
83 VDD12
C334 0.1
84 AVDDD
C331 0.033
85 PLFIL1
C335
0.1 C333 0.1
86 VREFH7
87 AVSSD
C332 0.1
88 VREFL7
89 AVSSC
C338 0.0056
90 CCAPA
C337
0.018
91 CDATA
92 AVDDC
F
C330
TP316 93 ANAMONI1
0.1
TP315
94 ANAMONI2
C347 0.1
95 RFINN
R393
RF+ R348 150 C348 0.1
NI
96 RFINP
A R336 150 C321 0.1
97 VIN1RF (A)
B R337 150 C320 0.1
98 VIN2RF (B)
D R334 150 C323 0.1
99 VIN4RF (D)
R335 C322
C 150 0.1
100 VIN3RF (C)
C319 0.1
101 VREFH5
102 VREFL5
LPC1 C314 0.1
103 LPC1
LPCO1
104 LPCO1
LPC2
105 LPC2
LPCO2
106 LPCO2
107 AVDDB
108 AVSSB
C349
0.1
109 110 111 112 113 114 115 116 117 118 119 120 121 122
TP337
SPMUTE
TRVSW
R378 NI
R379 NI
VOLT METER WITHOUT INPUT SIGNAL.
3.
A DVD disc in the Tray 1 , and STOP mode .
1/16W OR 1/4W 5% METAL GLAZE RESISTOR. OR 0.5% METAL GLAZE RESISTOR.
50V , 25V , 16V , 10V or 6.3V CERAMIC CAPACITOR .
IN OHM( ).
uF(p=pF).
OF CAPACITANCE(uF) /RATED VOLTAGE (V).
ARE IN uH(m=mH).
2-8
8 7 6 5 4 3 2 1
EXDT8
EXDT0
NEXOE
NEXCE
EXADT0
VDD12
VSS
MA3
MA4
MA2
MA5
VDD33
VSS
MA1
MA6
MA0
MA7
MA10
MA8
BA1
VDD33
VSS
MA9
DV5
BA0
DQM3
IC301
MN2DS0018MA (RX) DQM2
NCSM
NRAS
NCAS
VDD12
VSS
MCKI
VDD33
MCK
VSS
NWE
DQM1
DQM0
MDQ7
MDQ8
MDQ6
MDQ9
VDD33
VSS
MDQ5
MDQ10
MDQ4
MDQ11
MDQ3
MDQ12
VDD33
VSS
MDQ2
MDQ13
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
T
R351 330
C325 12p
X301
NAX0741-001X
C326 10p
TP322
IC304
NI
NI
C364
C357
3.3V 4.0V
Vout Vin
C354
NI
NC 0V
0V Sub
560p
GND
1.9V 3.9V
Cn Cont
C353 NI
560p
C367
3.3V REG.
NI STANDS FOR NOT INSERTED PARTS.
B
C
D
E
F
G
H
EXDT8
216
EXDT0
215
NEXOE
214
NEXCE
213
EXADT0
212
C383
211
0.1
210
MA3
209
MA4
208
MA2
207
MA5
206
C377
205
NI
204
MA1
203
MA6
202
MA0
201
MA7
200
MA10
199
MA8
198
BA1
197
C306
196
0.1
195
MA9
194
BA0
193
MA11
192
RX
191
NCSM
190
NRAS
189
NCAS
188
C379
187
0.1
186
MCK
185
C378
184
0.1
R303 MCK
183
22
182
NWE
181
DQM1
180
DQM0
179
MDQ7
178
MDQ8
177
MDQ6
176
MDQ9
175
C386
174 NI
173
MDQ5
172
MDQ10
171
MDQ4
170
MDQ11
169
MDQ3
168
MDQ12
167
C305
166
0.1
165
MDQ2
164
MDQ13
163
R705 0
DP
R704 0
DM
R703 NI ROUT
R702 NI LOUT
27MHz
TP338
R370 NI
(for HDMI)
R362 47 TX
DATAM
R364 NI
LRCK
R367 220
LRCKM
R366 NI
R358 220 BCK
R365 NI BCKM
DACCK
R345 220
D4V
R317 0
R315 NI
AGND
LVA10824-671A (1/3)