JVC HR-XV38SAG User manual

SERVICE MANUAL
COPYRIGHT © 2005 Victor Company of Japan, Limited No.YD055
2005/3
DVD PLAYER & VIDEO CASSETTE RECORDER
YD05520053
HR-XV38SAG
For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700 (MECHANISM ASSEMBLY).
Regarding service information other than these sections, refer to the service manutal No. YD051 (HR-XV48EX).
Also, be sure to note iportant safety precautions provided in the service manual.
TABLE OF CONTENTS
1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
HR-XV38SAG [D5PV1]

1-2 (No.YD055)
SPECIFICATION
Specifications shown are for SP mode unless otherwise specified.
E.& O.E. Design and specifications subject to change without notice.
Manufactured under license from Dolby Laboratories. "Dolby" and the double-D symbol are trademarks of Dolby Laboratories.
"DTS" and "DTS2.0+ Digital Out" are trademarks of Digital Theater Systems, Inc.
G-CODE is a trademark of Gemstar Development Corporation and is registered in the following countries: Australia, China, Hong
Kong, Japan, South Korea, New ealand, and Taiwan. SHOWVIEW is a trademark of Gemstar Development Corporation and is reg-
istered in the following countries:Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Hungary, Iceland, Italy,
Luxembourg, Netherlands, Norway, Poland, Portugal, Russia, Slovakia, South Africa, Spain, Sweden and Switzerland. The G-
CODE/SHOWVIEW system is manufactured under license from Gemstar Development Corporation.
G-CODE and SHOWVIEW are different trademarks used to represent the same easy recording feature. However, for simplicity,
only the term G-CODE will be used in the instructions. If you use SHOWVIEW system, follow the same steps listed for the G-CODE
system.
GENERAL
Power requirement AC 110 V - 240 V, 50 Hz/60 Hz
Power consumption
Power on 23 W
Power off 4.5 W
Temperature
Operating 5°C to 40°C
Storage -20°C to 60°C
Operating position Horizontal only
Dimensions (W ×H ×D) 435 mm ×93 mm ×272 mm
Weight 4.2 Kg
Format VHS PAL/NTSC standard
Maximum recording time
(SP) 240 min. with E-240 video cassette(PAL/MESECAM)
160 min. with T-160 video cassette(NTSC)
(LP) 480 min. with E-240 video cassette(PAL/MESECAM)
(EP) 480 min. with T-160 video cassette(NTSC)
VIDEO/AUDIO (VHS deck)
Signal system PAL-type colour signal and CCIR monochrome signal, 625 lines/50 fields
NTSC colour and EIA monochrome signal, 525 lines/60 fields.
Recording system DA4 (Double Azimuth) head helical scan system
Signal-to-noise ratio 45 dB
Horizontal resolution 250 lines (PAL/MESECAM), 220 lines (NTSC)
Frequency range 70 Hz to 10,000 Hz (Normal audio) 20 Hz to 20,000 Hz (Hi-Fi audio)
Input/Output RCA connectors: IN ×2, OUT ×1
VIDEO/AUDIO (DVD deck)
Signal system NTSC 3.58
Applicable disc DVD (12 cm, 8 cm), CD (12 cm, 8 cm)
Audio characteristics DVD:4 Hz - 22 KHz
Frequency response CD:4 Hz - 20 KHz
S/N Ratio 90 dB
Wow and flutter Below Measurable Level
Dynamic range 90 dB
Output
Component-Y (RCA) 1.0 Vp-p/75 Ω
Component- PB /PR (RCA) 0.7 Vp-p/75 Ω
Audio (RCA) 2 Vrms, 1 KΩ
Digital Audio -21 dBm to -15 dBm(peak)
TUNER/TIMER(VHS deck)
TV channel storage capacity 99 positions (+AUX position)
Tuning system Frequency synthesized tuner
Channel coverage VHF(low) : 42 MHz-175 MHz
VHF(high) : 175 MHz-470 MHz
UHF : 470 MHz-870 MHz
Aerial output UHF channels (Adjustable E28-E60)
Program capacity 1-year programmable timer / 8 programs
Memory backup time Approx. 10 min.
ACCESSORIES
Provided accessories RF cable, Infrared remote control unit, "R6" battery ×2

(No.YD055)1-3
SECTION 1
PRECAUTION
Please refer to "HR-XV48EX No.YD051" about this section.
SECTION 2
SPECIFIC SERVICE INSTRUCTIONS
Please refer to "HR-XV48EX No.YD051" about this section except a written item.
2.1 DIFFERENT TABLE OF FEATURE
The following table indicates main different points between models HR-XV48EX and HR-XV38SAG.
MODEL NAME HR-XV48EX HR-XV38SAG
POWER VOLTAGE 220-240V, 50/60Hz 110-240V, 50/60Hz
POWER SAVE DISPLAY OFF,MENU NOT USED
HEAD CLEANER NOT USED USED
CONNECTOR AND BUTTON COVER NOT USED USED
SHUTTLE SEARCH(LATCH)-NTSC NOT USED SPx7, EPx21
VIDEO SYSTEM(VHS) PAL/MESECAM(MANUAL)/NTSC PB on
PAL TV with HiFi
PAL/MESECAM/NTSC3.58/4.43/NTSC PB
on PAL TV with HiFi
SQPB PAL(SP/LP) PAL(SP)/NTSC(SP)
RECORDING & PLAYBACK SPEED SP,LP PAL:SP,LP/NTSC:SP,EP
REAR L-1 INPUT SCART IN/OUT(RGB) PIN JACK
REAR L-2 INPUT SCART(DECODER) NOT USED
AV OUTPUT AUDIO(L/R) VIDEO,AUDIO(L/R)
COMPORNENT VIDEO OUTPUT NOT USED DVD:Y/Pb/Pr
DVD AUDIO OUT NOT USED AUDIO (L/R)
DVD VIDEO OUT NOT USED S-OUTPUT
BROADCASTING STANDARD B/G,D/K B/G,D/K,I
STEREO DECODER NICAM/A2 A2(B,G),NICAM(I,B,G,D,K)
RF OUT CH/RF OUT SYSTEM[INITIAL] 22-69CH,OFF[AUTO]/G,K 28-60[36]CH,[G],H,K,I
AUTO CLOCK / JUST CLOCK USED NOT USED
VCR PLUS+ SHOWVIEW G-CODE/SHOWVIEW
AUTO GUIDE CH SET USED NOT USED
REC LINK / INPUT YES/L-2 YES/L-1
VPS/PDC USED NOT USED
OSD LANGUAGE [VHS] 13 LANGUAGES ENGLISH/RUSSIAN/ARABIC
OSD LANGUAGE [DVD] ENGLISH/FRENCH/GERMANY ENGLISH/CHINESE/SPANISH
T-V LINK USED NOT USED
DVD PROGRESSIVE NOT USED USED
DVD X1.5 SPEED PLAYBACK USED NOT USED
DivX USED NOT USED
REGIONAL CODE REGIONAL CODE : 2 REGIONAL CODE : 3

1-4 (No.YD055)
SECTION 3
DISASSEMBLY
Please refer to "HR-XV48EX No.YD051" about this section.
SECTION 4
ADJUSTMENT
Please refer to "HR-XV48EX No.YD051" about this section except a written item.
4.1 Electrical adjustment [VHS SECTION]
Adjustment procedure are changed.
4.1.1 Servo circuit
4.1.1.1 Slow tracking preset
(1) Record the signal (A2) in the mode (B1), and play back the
recorded signal.
(2) Set the VCR to the manual tracking mode.
(3) Set the VCR to the FWD slow (+1/6x) mode.
(4) Transmit the code (F) from the Jig RCU to adjust so that the
noise bar becomes the specified value (G) on the TV mon-
itor in the slow mode.
(5) Set the VCR to the stop mode.
(6) Confirm that the noise bar is (G) on the TV monitor in the
slow mode.
(7) Repeat steps (1) to (6) in the mode (B2).
(8) Record the signal (A3) in the mode (B1), and play back the
recorded signal.
(9) Repeat steps (2) to (6)
(10) Repeat steps (8) and (9) in the mode (B2).
Note:
For FWD slow (+1/6x) playback, transmit the code "43-08"
from the Jig RCU to enter the slow playback mode.
Signal (A1)
(A2)
(A3)
Ext. input
Color (colour) bar signal [PAL]
Color (colour) bar signal [NTSC]
Mode (B1)
(B2)
VHS SP
VHS LP (or EP)
Measuring point (D) TV-Monitor
Adjustment part (F) Jig RCU: Code "43-71" or "43-72"
Specified value (G) minimum noise
Adjustment tool (H) Jig RCU [PTU94023B]

(No.YD055)1-5
4.2 Electrical adjustment (DVD SECTION)
4.2.1 Test mode setting method
(1) Press POWER button to turn off the unit.
(2) Press the following remocon keys continuously within 2seconds " SET UP " →" 2 " →" 8 " →" ENTER ".
(3) The unit becomes JIG RCU mode.
(4) Press POWER button then press VCR/DVD repeatedly so that the DVD indicator lights up.
(5) Press the POWER button again to turn off the unit.
(6) Transmit the code " 43-FA " from the Jig RCU.
(7) The power supply of the unit turns on automatically then the FDP shows the region number.
(8) Each pressing of DISPLAY button of the remote controller in test mode as follows.
(9) To release test mode, press POWER key of the front panel.
4.2.2 Method of displayed version of firmware
(1) Set the unit to the test mode.
(2) The version number is displayed in the monitor screen.
FDP(Example)
Becames test mode
(Region number)
Optimize Front End paramete
r
CD Laser
DVD Laser
VCR
OPENING DISPLAY
**_Ver.****_HS/HR_XVC26/*******
Destination
Version of firmware
Model name
Others

1-6 (No.YD055)
4.2.3 Initialization method
Please initialize according to the following procedures in the following case:
• Just after you upgrade the firmware.
• After you confirm the symptoms that a customer points out. First Initialize, and then confirm whether the symptoms are improved or
not.
• After servicing, before returning the main body to a customer. (Initialized unit should be returned to a customer.)
(1) Set the unit to the test mode.
(2) Press PAUSE key of the remote controller or transmit the code "43-6F" from the Jig RCU.
(3) When initialization is completed, the PLAY (). mark is indicated in the FDP.
4.2.4 All-initialization method
Please perform all-initialization according to the following procedures in the following case:
• Just after you exchange the pick-up.
• Just after you exchange the spindle motor.
• Just after you exchange the traverse mechanism base.
NOTE:
Please perform all-initialization when you exchange the parts above and also when you remove the parts above.
(1) Set the unit to the test mode.
(2) Press the REVERSE SKIP/INDEX () key of the remote controller for more than 2 seconds.
(3) When initialization is completed, the PLAY (). mark is indicated in the FDP.
NOTE:
After all-initialization, be sure to perform optimization adjustment of Front End parameter.
4.2.5 Optimization adjustment of Front End parameter
Adjustment to optimize Front End parameter must be performed in each mechanism assembly of this model for high-speed start-
ing.Please perform optimization according to the following procedures just after all-initialization is completed and when FDP shows
anything except "0" (For example when FDP shows "1", "2", and "3") at test mode.
(1) Set the unit to the test mode.
(2) The FDP shows the region number first.
(3) Press the DISPLAY key of the remote controller and check that FDP shows the number.
(4) Press the DISPLAY key again to return the region number.
NOTE:
Status of this adjustment can be judged by the number displayed at test mode as follows:
NOTE:
As for a disc used for adjustment,
• Disc should be mounted. ("Mounting" means to display "READ" after the disc is inserted and then display the disc informa-
tion.) Disc need not be played.
• If you do not have test disc either VT-501 (DVD) or CTS-1000 (CD-DA), use a commercial disc (for DVD, dual-layer soft-
ware) after seeing and checking that the disc is neither curved nor foreseen that it may shake at the time of playback.If you
use a disc with bad features, starting time may be slow or disc may not be read.
DVD adjustment CD adjustment FDP at test mode
Adjusted Adjusted 0
Not adjusted Adjusted 1
Adjusted Not adjusted 2
Not adjusted Not adjusted 3

(No.YD055)1-7
4.2.6 Upgrading of firmware
• Firmware update disc supports CD-R media.
• When firmware update is necessary, information is available from the homepage of DIGITAL VIDEO STORAGE CATEGORY, CS
group.
4.2.6.1 Creating an update disc
Please check the details of the update disc creation method by JS-NET.
(1) Down load the update file from JS-NET.
(2) Write the update file into CD-R. Pay attention in the following points when writing the update disc.
• Make sure to write in "Disc at Once".
• Set the file compatibility to "ISO9660 format".
4.2.6.2 Update procedure
(1) Turn the power ON. Load the update disc on the tray and close the tray.
(2) Update of the firmware starts automatically then upgrading status is displayed in the monitor screen.
(3) The tray opens automatically. Remove the upgrade disc.
(4) Close the tray then press the POWER button to turn off the unit.
(5) Confirm the version of the firmware.in the test mode.
MONITOR(Example)
VERSION UP DISC
PROGRAM&DESTINATION MODE
CURRENT VERSION 0434
NEW VERSION 4351
READING....
SECTOR **
NUMBER
KEYS
SET UP
REVERSE
SKIP/INDEX
PAUSE
DISPLAY
ENTER

1-8 (No.YD055)
SECTION 5
TROUBLESHOOTING
Please refer to "HR-XV48EX No.YD051" about this section.

(No.YD055)
VPT
Printed in Japan
AV & MULTIMEDIA COMPANY DIGITAL VIDEO STORAGE CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan
Victor Company of Japan, Limited

DVD PLAYER & VIDEO CASSETTE RECORDER
200
For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700 (MECHANISM ASSEMBLY).
Regarding service information other than these sections, refer to the service manutal No. YD051 (HR-XV48EX).
Also, be sure to note iportant safety precautions provided in the service manual.
HR-XV38SAG [D5PV1]
CD-ROM No.SML200503
COPYRIGHT © 2005 Victor Company of Japan, Limited. No.YD055SCH
2005/3
HR-XV38SAG
SCHEMATIC DIAGRAMS

A
1
2
3
4
5
BCD EFG
CHARTS AND DIAGRAMS
C955
J902
R929
B902
IC901
R910
R923
Q913
IC902
IC903
Q912
L911
CN915
R945R944
L919
C963 C964
C961
R928
C962
D903
D901
Q908
C956
R940
R939
C914
C901
R968
C954
C960
L916
C930
C940C941
R930
R916 R926
R917
R914
R915
R925
C917C916
L906
L907
L909
Q902
J901
C937
R970
C942
C950
C951
C952
R918
L917
R969
L910
CN913
L920
C932
C980
C920 C921
C946
C947
C939
C7702
C948
B901
C904 C905
C949
C915
L902
L901
L904
L905
C965
R924
C945
Q904
Q901
C943
B904
Q903
R902
R904
D904
C944
C7732
R903
R901
C959
Q907
R920 R921
C7701
Q909
C7704
C7703
C966
L7702
L7701
J7002J7002J7002
J7004J7004
Q919
J7005
Q921
Q922
R937
C953
R922
R909
C902 C903
R7708
L903
C995
C918 C919
R927
L908
C968
L914 C957
C7731
R7741
R7740
R7739
C7734
CN914
C7733
R7704
R7705
Q917
Q918
R961
R951
R952
C7706C7705
C7708C7707
L7704
L7703
R7710
R7711
L7732
L7731
R7735
R7736
J7005J7005
J7003
J7007J7007J7007
R960
R919
D902
R7703
R956
R954
R959
R958
R7731
R7732C970
C969
C967
C981
C982
C983
L918
R999
B903
R912 R913
R941 R942 R943
C924 C925
C908 C909
C926
C929
C927
C928
C910 C911 C913
C923
C912
C906
C922
R911
R950 R949
C907
330
10
µ
47 0.01
47 0.01
47
100
0Ω
1
0.01
0.011110
0Ω
4.7
10
µ
0Ω
10
µ
11
100Ω
100Ω
75
330
47
75
75
75
0Ω
0Ω
220
2.2k
2.2k
100Ω
100Ω
0Ω
0Ω
100Ω
100Ω
0Ω
0Ω
220
75
100
100
330
330
75
750.01
330
0.01
330
330
330
10
µ
10k 10k
p10736001a_rev0
TERMINAL(I/O) SCHEMATIC DIAGRAM
2-1 2-2

A
1
2
3
4
5
BCDEFG
K102
CN101
TP351
R126
Q102
Q104
K101
R104
R112
Q101
Q103
R319
IC301
C908
R341
CN301
TP317
C107
R122
R119
R107 R115
C306
IC302
C317
TP305
R362
R361
R123
C307
C311
R390
C910
C315
C907
IC201
TP350
R120
C356
R340
TP99
R333
R213
C211
C316
C212
C260
C261
C262
C253
TP330
C340
R255
C255
R207
R206
C206
C205
R204
C339
R208
C208
C312
C101
R378
R379
R395
TP98
C341
C313
TP319
TP328
C343
Q105
R337
R336
C378
R335
R334
C344
C345
C346
X351
C326
TP320
TP321
TP322
TP323
R343
C325
R315
R316
R318
R317
R392
R391
C391
R342
R321
C318
C308
C309
R323
R339
R338
TP332
TP333
C301
TP324
TP325
C377
R345
IC453
R306
R307
C324
R360
R359
R358
R357
R310
R311
C359
R325
R326
C455
C372
C373 C374
C375 C376
C379
C329 C328
K304
R344
C102
C104
R320
C263
C264
CN201
R381
R382
R383
R351
C111
R101
R102
C103
R105
R109
R113
R108
R103
TP326
R219
C106
C108
R106
TP316
R114
TP309
R110
R303
R118
C305
R116
C217
R117
TP22 TP23 TP21
R393
TP24 TP25 TP26 TP27
TP318
TP310
TP28
R394
R111
K201
C204
TP308 TP307
R372
R371
R124
R373
R121
R374
R215
R214
TP306
C257 C258 C259
TP331
R251
R252
C251
C109
TP313
R254
C256
R201
R256
R205
C110
R125
C105
R352
TP312 TP302 TP303
C314
C331
C330 C334
C333 C332
C335
TP329
C337
TP311
C338
C319 C347
TP314
C310
K301
R312 R314
TP315
R257
R909
R324
C348
C304
R301
R302
C302
C303
C327
TP327
R313
C349
R458
C320 C321
R308
R309
C322 C323
R363
C358
C350
R457
K302
K303
R128
C392
R375 R376 R377
R384R385
C371
TP9 TP7 TP6 TP5 TP4 TP3 TP2 TP1
TP10 TP11
TP12 TP13 TP14 TP15 TP20 TP16 TP17 TP18 TP19
TP8
R220
R221
R259
0
QGF0523F1-24W
100
2SC4617/R/-X
2SC4617/R/-X
0
S3.3V
30k
30k
KTA1001/Y/-X
KTA1001/Y/-X
0
MN2DS0003AA-H
NI
3.6k
DGND
DGND
NI
0.1/16
0
0
S5V
100
100
0.1/16
LM1117MP-ADJ-X
0.1/16
330
100
0
P3.3V
0.1/16
0.1/16
4.7k
D1.2V
NI
0.1/16
NI
DGND
LA6502-X
0
1/16
30k
SGND
16k
10K
0.022
0.1/16
0.01/16
0.022
0.022
0.022
560p
1/16
M9V
MGND DGND
M5V
10k
0.015/16
47K
30K
150P
270P
27K
0.1/16
22k
560p
0.1/16
SGND
0.1/16
1k
1k
0
DGNDSGND
1/6.3
0.1/16
NI
UN2119-X
150
150
NI
150
150
NI
NI
NI
NAX0550-001X
15p
D3.3V
P3.3V
0
VGND
18p
0
0
33k
0
10K
NAD0025-103X
0.1/16
2.2K
NI
0.1/16
0.1/16
0.1/16
DGND
P3.3V
NI
0
0
SGND
DGND
D3.3V
S3.3V
220/4
NI
NQR0129-002X
S-80827CNNB-W
1K
1K
1/16
NI
NI
100
100
0.47
NI
0.1/16
330
330
0.01/16
NI
NI 0.1
NI NI
NI
NI NI
0
DGND
6.8
0.1/16
0.1/16
10k
NI
220/6.3
QGF1016F2-08W
NI
NI
NI
680
0.1/16
100
1000.1/16
27
470
27
470
24k
18K
47/6.3
47/6.3
2.2 2.2
0
27
0
0.1/16
470
0.1/16
330
0 0
24k
NI
0.1/16
1k
NI
NI
1k
NI
NI
10k
10K
0.0082 0.015/16 0.015/16
0.47
2.2
0.47/10
NI
20k
0.1/16
NI
NI
27k
NI
1
47/6.3
1M
0.1/16
0.033/16
0.1/16
0.1/16
0.1/16 0.1/16
0.1/16
0.018/16
0.0056
0.1/16 0.1/16
0.1/16
0
0
0
0
0
NI
0.1/16
1
NI
24
47/4
47/4
0.01
0
0.1/16
1k
0.1/16 0.1/16
22K
100k
0.1/16 0.1/16
150
NI 0.1/16
0
100 100
0
0.1/16
NI NI
NI
1k
1k
1/16
24K
6.8K
10K
/HFMON
E
F
D
A
B
C
RF+
T+
F+
F-
T-
VREFH
EXADR20
PCMCLK
UCS
/TALK
DCLK
AD4
AD4
DAC0CS
TRDRV
DAC4OUT
DDATA
EXDAT8
AOUT2
MDQ4
TRDRV
FODRV
MDQ10
MDQ5
LPC1
LPC2
MDQ9
DAC2CS
DAC1CS
DACPDN
MDQ15
MDQ0
MDQ14
MDQ1
MDQ13
MDQ2
MDQ12
MDQ3
MDQ11
LRCLK
BCK
SWMUTE
TX
AOUT0
AOUT1
A
C
B
D
E
F
FM+
FM-
WOUT
VOUT
UOUT
COM
TRVSW
NEXWE
EXADT0
EXADT4
EXADT8
EXADT12
EXADR16
EXADR18
EXADT14
EXADT10
EXADT6
EXADT2
NEXCE
EXADT1
EXADT5
EXADT9
EXADT13
EXADR17
EXADR19
EXADT15
EXADT11
EXADT7
EXADT3
NEXOE
DAC3OUT
DAC1OUT
DAC2OUT
DAC5OUT
DVDLDCUR
CDLDCUR
LPCO2
DVDLDCUR
CDLDCUR/SPMUTE
LPCO1
EXDAT11 EXDAT5 EXDAT10 EXDAT6 EXDAT9
/DRVMUTE
EXDAT7
FODRV FG
TRSDRV
T-
EXDAT4 EXDAT12 EXDAT3 EXDAT13 EXDAT2 EXDAT14 EXDAT1 EXDAT15 EXDAT0
MDQ7 MDQ8 MDQ6
TRSDRV
MA3 MA4
SCLK U2SDT
SPDRV
SPDRV
MA2 MA5 MA1 MA6 MA0
MA7 MA10 MA8
HAGUP
MA9
MCK
NWE BA0 BA1 NCSM NRAS NCAS DQM0 DQM1
/SPMUTE
MA11
VREFH VHALF
T+
VHALF
LPCO2 RF+
INDEX
TRACK COPY
DEMP
F+
S2UDT
F-
LPC2
FM- FM+
LPCO1 LPC1
SCS LRMUTE
COM
/HFMON
WOUT VOUT UOUT
/DRVMUTE
FG TRVSW
e10057001a_rev0
DVD SERVO CONTROL AND DECODER SCHEMATIC DIAGRAM
2-3 2-4

A
1
2
3
4
5
BCD EFG
IC505
CN501
K501
IC509
C707
C709
C711
C706
R741
R551
C701
CN502
K556
CN503
R742
C551
C558
R501
R502
R552
R718
C905
R747
R553
R554
R555
R556
C902
R557
C901
C903
R558
R743
R744
C552
C553
R511
K551
K552
K553
R746
R745
R510
R748
C912
K554
R704
R530
R702
C555
TP54
C556
L501
C702
C703
R710
IC701
IC702
R911
IC501
IC703
C704
C557
R711
C904
R713
R712
R714
C502
R715
C503
C705
R716
C554
R719
IC704
R701
C713
C712
IC705
C715
C714
R717 R720
C559
R322
K502
R503
C547
C548
C549
C550
TP51
TP86
C510
TP93
TP85
TP94
TP84
TP87
TP82 TP81
K555
TP71
TP88
TP72
K721
TP73 TP74 TP75 TP76 TP77
TP52
R729
TP89
TP78
R728
TP90
K723
TP91
R730
TP92
TP59
TP53
C906
TP55
R703
TP57
TP60
TP701 TP702 TP703
TP61
TP704 TP705 TP706
TP56
TP62
TP83
TP63
C721
R727 R725 R723 R724
R722
C501
TP64 TP65
K724 K722 K725
TP58
R721
C511 C506 C508 C507 C509 C505
K4S641632H-TC75
QGF1016F2-19W
0
AT49LV1614T90TC
0.1/16
NI
NI
S5VP3.3V
10/16
M5V
NI
1k
0.1/16
NI
NQR0129-002X
QGF1016F2-17W
NI
0.1/16
0.1/16
470
470
NI
47k
M9V
NI
NI
150
150
150
150
0.1/16
150
NI
0.1/16
1k
NI
NI
VGND
0.1/16
22/6.3
NI
NQR0129-002X
NQR0129-002X
NQR0129-002X
NI
NI
NI
NI
NI
NQR0129-002X
NI
NI
0
0.1/16
0.1/16
NI
NI
NI
10
AK4384VT-X
NI
0
NI
NI
220/6.3
MGND
1/10
100
SGND DGND
0.1/16
S3.3V
100
100
NI
NI
NI
NI
NI
0
0.1/16
D3.3V
0
NI
10
NI
NI
NI
NI
NI
NI NI
DGND
0.1/16
47k
DGND
NQR0502-001X
100
0.1
NI
NI
NI
SGND
DGND
33p
NQR0022-005X NI NI NI NI NI
0.1/16
NI
0.001
NI NI NI NI
NI
NI
NI NI NI
NI
NI 33p 33p 33p 33p 33p
SWMUTE
DAC1OUT
EXADT15
MA11
MA9
EXADT14
DAC2OUT
MA3
DACPDN
MA1
EXADT13
LRMUTE
EXADT12
EXADT11
DAC5OUT
DAC4OUT
DAC3OUT
SCS
EXADT10
EXADT9
EXADT8
EXADT7
EXADT6
EXADT5
EXADT4
EXADT3
EXADT2
EXADT1 EXADT0
UCS
MDQ15
MDQ14
DAC0CS
MDQ13
PCMCLK
MDQ12
MDQ11
MDQ10
MDQ9
MDQ8
MA8
MA7
MA6
MA5
MA4
MA2
MA0
MA10
MDQ7
MDQ6
MDQ5
MDQ4
MDQ3
MDQ2
MDQ1
MDQ0
DAC1CS
SCLK
U2SDT
S2UDT
CPURST
DAC2CS
EXADR20
DCLK
DQM0
NRAS
NCAS
NWE
DDATA
NCSM
BA0
BA1
BCK
AOUT0
AOUT1
EXADR16
AOUT2
NEXCE
DQM1
MCK
EXDAT15
EXDAT7
LRCLK
EXDAT14
EXDAT6
EXDAT13
EXDAT5
EXDAT12
EXDAT4
EXDAT11
EXADR19
EXADR18
EXADR17
EXDAT3
EXDAT10
EXDAT2
EXDAT9
EXDAT1
EXDAT8
EXDAT0
NEXOE
NEXWE
AOUT1
SWMUTE
TX AOUT0
DEMP
LRCLK
COPY TRACK INDEX
AOUT2
e10057001a_rev0
DVD FLASH ROM SCHEMATIC DIAGRAM
2-5 2-6

C101
C103
C104
C107
C111
C205
C206
C208
C211
C212
C251
C253
C255
C256
C257
C258
C259
C312
C313
C316
C318
C320
C321
C322
C323
C325
C326
C331
C332
C333
C334
C337
C338
C339
C341
C343 C344 C345
C346
C551
C554
C555
C556
C557
C907
C908
R909
C910
CN101
TP331
CN301
CN501
CN502
CN503
R128
TP305
TP329
IC509
IC701
IC702
IC703
R126
C558
K551
K552
K553
K554
K555
K556
K721
K722
K723
Q103
Q104
Q105
R101
R102
R111
R112
R113
R115
R116
R117
R118
R204
R205
R206
R207
R208
R213
R214
R215
C552
R254
R255
R256
R257
TP350
R306
R307
R315
R316
R317
R334
R335
R336
R337
R338
R339
R340
R341
R342
R345
R357
R358
R530
R552
R710
R711
R712
R724
R729
IC505
TP1
TP2
TP3
TP4
TP5
TP6
TP7
TP8
TP9
TP10
TP11
TP12
TP13
TP14
TP15
TP16
TP17
TP18
TP19
TP20
TP21
TP22
TP23
TP24
TP25
TP26
TP27
TP28
R321
R322
R323
R745
R746
R747
TP51
TP52
TP53
R748
TP55
TP56
TP57
TP58
TP59
TP60
TP61
TP62
TP63
TP64
TP65 TP71
TP72
TP73
TP74
TP75
TP76
TP77
TP78
TP81
TP82
TP83
TP84
TP85
TP86
TP87
TP88
TP89
TP90
TP91
TP92
TP93
TP94
TP98
TP99
IC704
IC705
TP302
TP303
TP306
TP307
TP308
TP309
TP310
TP311
TP312
TP313
TP314
TP315
TP316
TP317
TP318
TP319
TP320
TP321
TP322
TP323
TP324
TP325
TP326
TP327
TP701
TP702
TP703
TP704
TP705
TP706
X351
TP328
CN201
IC201
TP330
R384
R385
C371
TP351
C553
R501
R502
R554
R555 R556
R557
R558
R382
R383
R510
R511
TP54
R704
TP332
TP333
R324
R325
R326
K302
C559
R378
R379
C715
C713
C712
C714
R719
R716
R717
R720
C508
C509
C510
C511
K501
C548
C549
C550
C547
C328
R344
C102
C105
C106
C108
C109
C110
C204
C217
C260
C261
C262
C263 C264
C301
C302
C303
C304
C305
C306
C307
C308
C309
C310
C311
C314
C315
C319
C324
C330
C335
C340
C347
C348
C349
C350
C356
C358
C391
C701
C702
C703
C704
C705
C901
C902
C903
C904
C905
R911
IC301
IC302
K101
K102
K301
K724
K725
L501
Q101
Q102
R103
R104
R105
R106
R107
R108
R109 R110
R114
R119 R120 R121
R122
R123
R124
R125
R201
R219
R220
R221
R251
R252
R259
R301
R302
R303
C378
R308
R309
R310
R311
R312
R313
R314
R318
R333
R343
R359
R360
R361 R362
R363
R391 R392
R551
R701
R713
R714
R715
R721
R722
R723
R725
R727
R728
R730
C372
C373
K201
R320
R319
C317
C706
C707
C709
C711
R393 R394
R741
R742
R743
R744
R371
R372
R373
R374
R375
R376
R377
C912
R553
R395
R381
R351
R352
R702
R703
C906
R390
IC501
C503
C501
C502
C721
R718
C327
K303
C359
C374
IC453
R457
R458 C455
C375
C376
C377
C379
C505
C506
C507
R503
C392
C329
K502
K304
<99> DVD SERVO CONTROL
LVB10452-003B -COMPONENT SIDE-
<99> DVD SERVO CONTROL
LVB10452-003B -FOIL SIDE-
DVD SERVO CONTROL CIRCUIT BOARD
2-7 2-8

<06> TERMINAL
LPB10216-004B
IC903
C932
D903
R923
R922
D902
Q907
Q908
R921
R920
Q909
R919
R925
R926
L910
L909
C925
C923 C924
R929
R930C929
C928
C918C919
L908
L907
L906
C921
C920
R927
R928
C926
C927
D901
R910
R911
R912
R913
R909
L904
L905
C908
C909
C906
C907
C912
C913
R916
R917
L903
L901
L902
C904 C905
R914
R915
C910
C911
W14
R924
Q913
Q921
Q922
B902
W10
IC901
R960
W13 W12
R937
C901
C914
C915
C916
C917
C922
C930
C937
C939
C940
C941
C942
C943
C944
C945
C946
C947
C948
C949
C950
C951
C952
C953
C954
C955
C957
C959
C967
C968
C969
C970
C981
C982
C983
B901
C995
CN913
CN914 CN915
D904
J901
J902
J7002
J7003
J7004
J7005
J7007
L914
L916
L917
L919
L920
Q919
C980
R954
R956
R958
R959 R961
R968
R969
R970
IC902
C964
C963
W2
L911
C7701
C7702
C7703
C7704
C7731
C7732
C7733
C7734
C7705
C7706
C7707
C7708
L7701 L7702
L7703 L7704
L7731
L7732
R7703
R7704
R7705
R7708
R7710
R7711
R7731
R7732
R7735
R7736
R999
R901
R902
R903
R904
R939
R940
R941
R942
R943
R949
R950
R951
R952
R7739
R7740
R7741
R944
R945
C902
C903
C960
C962
C965
C966
C956
C961
L918
Q901
Q902
Q903
Q904
Q912
Q917
Q918
W1
W5
W11
W8
W7
B903
R918
W9
W6
W3
W4
B904
REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION
CAPACITOR
C901 A D 17C
C902 B C 14C
C903 B C 13C
C904 B C 13C
C905 B C 14C
C906 B C 13C
C907 B C 13C
C908 B C 13C
C909 B C 13C
C910 B C 14D
C911 B C 13C
C912 B C 12C
C913 B C 12C
C914 A D 20C
C915 A D 19C
C916 A D 18C
C917 A D 18C
C918 B C 14E
C919 B C 13E
C920 B C 13E
C921 B C 14E
C922 B C 13D
C923 B C 13D
C924 B C 13D
C925 B C 13D
C926 B C 14E
C927 B C 13E
C928 B C 12E
C929 B C 12E
C930 B C 9C
C932 B C 10B
C937 A D 11B
C939 A D 10B
C940 A D 10C
C941 A D 15A
C942 A D 11C
C943 A D 11C
C944 A D 9B
C945 A D 11D
C946 A D 11D
C947 A D 11D
C948 A D 11D
C949 A D 11D
C950 A D 11D
C951 A D 10D
C952 A D 10E
C953 A D 8C
C954 A D 8C
C955 A D 7E
C956 A D 10B
C957 B C 8C
C959 B C 8D
C960 B C 10C
C961 A D 8C
C962 B C 9D
C963 A D 17B
C964 B C 17B
C965 B C 18C
C966 A D 18B
C967 B C 6E
C968 A D 6E
C969 A D 5E
C970 B C 4E
C980 A D 6C
C981 A D 6D
C982 A D 6C
C983 A D 6B
C995 A D 3D
C7701 B C 2C
C7702 B C 1C
C7703 B C 2B
C7704 B C 1B
C7705 B C 3B
C7706 B C 3C
C7707 B C 3B
C7708 B C 2B
C7731 B C 4B
C7732 B C 4C
C7733 B C 4B
C7734 B C 4B
CONNECTOR
CN913 A D 7A
CN914 A D 4A
CN915 A D 16A
DIODE
D901 A D 16C
D902 A D 16B
D903 A D 16D
D904 A D 9A
IC
IC901 B C 10C
IC902 B C 18C
IC903 B C 6C
COIL
L901 A D 14C
L902 A D 13C
L903 A D 14C
L904 A D 13B
L905 A D 13C
L906 A D 14E
L907 A D 13E
L908 A D 14E
L909 A D 12D
L910 A D 13E
L911 A D 18A
L914 A D 9C
L916 A D 8C
L917 A D 10A
L918 A D 7C
L919 A D 7B
L920 A D 6E
L7701 A D 2C
L7702 A D 2B
L7703 A D 3C
L7704 A D 3B
L7731 A D 4C
L7732 A D 4B
TRANSISTOR
Q901 B C 8E
Q902 B C 9E
Q903 B C 9E
Q904 B C 15B
Q907 B C 16B
Q908 B C 15B
Q909 B C 14B
Q912 B C 17C
Q913 B C 19C
Q917 B C 4B
Q918 B C 4C
Q919 B C 6B
Q921 B C 4E
Q922 B C 5E
RESISTOR
R901 B C 8E
R902 B C 9E
R903 B C 9E
R904 B C 10E
R909 B C 15C
R910 B C 17C
R911 B C 15B
R912 B C 14B
R913 B C 14B
R914 B C 14D
R915 B C 13C
R916 A D 12B
R917 A D 12C
R918 B C 15B
R919 A D 16B
R920 B C 16B
R921 B C 15B
R922 B C 15E
R923 B C 16D
R924 B C 15D
R925 B C 14D
R926 B C 14D
R927 B C 14E
R928 B C 13E
R929 A D 12E
R930 A D 12E
R937 A D 7A
R939 B C 17C
R940 B C 19C
R941 B C 17C
R942 B C 18C
R943 B C 18C
R944 A D 17B
R945 A D 19B
R949 B C 3B
R950 B C 3B
R951 B C 4B
R952 B C 4B
R954 B C 5D
R956 B C 5E
R958 A D 5E
R959 A D 6E
R960 B C 11E
R961 B C 11E
R968 B C 6D
R969 B C 6D
R970 B C 7D
R999 B C 11D
R7703 B C 1D
R7704 B C 2C
R7705 B C 2B
R7708 B C 3D
R7710 B C 3C
R7711 B C 3B
R7731 B C 4E
R7732 B C 4E
R7735 B C 5B
R7736 B C 4B
R7739 B C 6D
R7740 B C 6C
R7741 B C 6B
OTHER
J901 A D 14D
J902 A D 14C
J7002 A D 1C
J7003 A D 4E
J7004 A D 4B
J7005 A D 5C
J7007 A D 3C
PC08 B C 21P
TERMINAL CIRCUIT BOARD
COMPONENT PARTS LOCATION GUIDE <TERMINAL> LPB10216-004B
2-9 2-10

(No.YD055)
AV & MULTIMEDIA COMPANY DIGITAL VIDEO STORAGE CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan
Victor Company of Japan, Limited
VPT
Printed in Japan

(No.YD055)3-1
[HR-XV38SAG]
* SAFETY PRECAUTION
Parts identified by the symbol are critical for safety. Replace only with
specified part numbers.
* BEWARE OF BOGUS PARTS
Parts that do not meet specifications may cause trouble in regard to safety
and performance. We recommend that genuine JVC parts be used.
* (x_) in a description column shows the number of the used part.
- Contents -
Exploded view of general assembly and parts list .................... 3-2
VHS mechanism assembly and parts list .................................. 3-5
DVD Traverse mechanism assembly and parts list .................. 3-8
DVD Loading mechanism assembly and parts list .................. 3-10
Electrical parts list ................................................................... 3-12
Packing materials and accessories parts list .......................... 3-22
PARTS LIST