When the power supply is being turned on, you may not remove this laser beam caution label. If it removes, radiation of a
laser may be received.
PREPARATION OF SERVICING
Pickup Head consists of a laser diode that is very susceptible to external static electricity.
Although it operates properly after replacement, if it was subject to electrostatic discharge during replacement,
its life might be shortened. When replacing, use a conductive mat, soldering iron with ground wire, etc. to
protect the laser diode from damage by static electricity.
Plug the AC line cord directly into a 120V AC outlet (do
not use an isolation transformer for this check). Use an
AC voltmeter, having 5000 W per volt or more sensitivity.
Connect a 1500 W 10 W resistor, paralleled by a 0.15 mF
150V AC capacitor between a known good earth ground
(water pipe, conduit, etc.) and all exposed metal parts of
cabinet (antennas, handle bracket, metal cabinet
screwheads, metal overlays, control shafts, etc.).
READING SHOULD NOT EXCEED 0.3V
Measure the AC voltage across the 1500 W resistor.
The test must be conducted with the AC switch on and
then repeated with the AC switch off. The AC voltage
indicated by the meter may not exceed 0.3 V. A reading
exceeding 0.3 V indicates that a dangerous potential
exists, the fault must be located and corrected.
Repeat the above test with the DVD VIDEO RECORDER
power plug reversed.
NEVER RETURN A DVD VIDEO PLAYER TO THE
CUSTOMER WITHOUT TAKING NECESSARY
CORRECTIVE ACTION.
DVDVIDEOPLAYER
ACOUTLET
Test all exposed metal.
Voltmeter Hook-up for Leakage Current Check
ACVOLTMETER
(5000Wpervoltormoresensitivity)
Goodearthgroundsuchasawaterpipe,
W
conduit,etc.
150010W
0.15mF150VAC
The lightning flash with arrowhead symbol, within an
equilateral triangle, is intended to alert the user to the
presence of uninsulated “dangerous voltage” within the
product’s enclosure that may be of sufficient magnitude to
constitute a risk of electric shock to persons.
The exclamation point within an equilateral triangle is
intended to alert the user to the presence of important
operating and maintenance (servicing) instructions in the
literature accompanying the appliance.
Page 4
1. OPERATING INSTRUCTIONS
Specifications
CONTENTS
SECTION 1
GENERAL DESCRIPTIONS
2. LOCATION OF MAIN PARTS AND
MECHANISM PARTS
2-1. Location of Main Parts
2-2. Standing PC Boards for Servicing
PART REPLACEMENT AND ADJUSTMENT PROCEDURES
1. REPLACEMENT OF MECHANICAL PARTS
1-1. Cabinet Replacement
1-1-1. Top Cover
1-1-2. HDD
1-1-3. Front Panel
1-1-4. Tray door
1-1-5. Operation panel door
1-1-6. RAM Drive
1-1-7. Fan
1-1-8. Rear Panel
1. CIRCUIT SYMBOLS AND
SUPPLEMENTARY EXPLANATION
1-1. Precautions for Part Replacement
1-2. Solid Resistor Indication
1-3. Capacitance Indication
1-4. Inductor Indication
1-5. Waveform and Voltage Measurement
1-6. Others
1-2. PC Board Replacement
1-2-1. Digital PC Board
1-2-2. Mother PC Board
1-2-3. Power PC Board
1-2-4. Battery PC Board
1-2-5. Front Display, Front Jack and Front Switch PC Board
SECTION 3
SERVICING DIAGRAMS
4-3. Front Jack Circuit Diagram
4-4. Front Display Circuit Diagram
4-5. Battery Circuit Diagram
4-6. Mother Circuit Diagram
4-6-1. Timer Circuit Diagram
4-6-2. Audio Circuit Diagram
4-6-3. Video / Tuner Circuit Diagram
4-7. Digital Circuit Diagram
5. PC BOARDS
5-1. Front Switch PC Board
5-2. Front Jack PC Board
5-3. Battery PC Board
5-4. Front Display PC Board
5-5. Mother PC Board
5-6. Digital PC Board
PROGRESSIVE / COLOR
DIFFERENCE
Video OUT
D1 OUTPUT Terminal
COMPOSIT
Video OUT
S Video
OUT
COMPOSIT
Video OUT
S Video
OUT
DC FAN
POWER_UNIT
AC IN
AC 100V
5MHz
FL_CPU
uPD780204Y
FL_Tube
FRONT UNIT
KEY
R.S
: Digital
: Video/Tuner
: Timer
: Display
: Audio
Fig.3-3-1
Page 15
256789
4. CIRCUIT DIAGRAMS
10134
A
B
C
4-1. Power Supply Circuit Diagram
D
E
F
G
Fig. 3-4-1
Page 16
A
B
C
256789
4-2. Front, Switch Circuit Diagram
10134
D
E
F
G
Fig. 3-4-2
Page 17
A
B
C
134
4-3. Front Jack Circuit Diagram
25
D
E
F
Fig. 3-4-3
G
Page 18
A
B
C
256789
4-4. Front Display Circuit Diagram
10134
D
E
F
G
Fig. 3-4-4
Page 19
A
B
C
134
4-5. Battery Circuit Diagram
25
D
E
F
Fig. 3-4-5
G
Page 20
A
B
C
256789
4-6. Mother Circuit Diagram
4-6-1. Timer Circuit Diagram
10134
D
E
F
G
Fig. 3-4-6
Page 21
A
B
C
4-6-2. Audio Circuit Diagram
256789
10134
D
E
F
G
Fig. 3-4-7
Page 22
4-6-3. Video / Tuner Circuit Diagram
Fig. 3-4-8
Page 23
4-6-3. Video / Tuner Circuit Diagram
Page 24
Page 25
Page 26
Page 27
Page 28
Page 29
Page 30
Page 31
Page 32
Fig. 3-4-8
Page 33
4-7. Digital Circuit Diagram
Fig. 3-4-9
Page 34
4-7. Digital Circuit Diagram
Page 35
Page 36
Page 37
Page 38
Page 39
Page 40
Page 41
Page 42
Page 43
Fig. 3-4-9
Page 44
134
5. PC BOARDS
25
A
B
C
5-1. Front Switch PC Board
D
E
F
Fig. 3-5-1 EU04 Front Switch PC Board (Top side)
G
Fig. 3-5-2 EU04 Front Switch PC Board (Bottom side)
Page 45
A
B
C
134
5-2. Front Jack PC Board
25
Fig. 3-5-3 EU55 Front Jack PC Board (Top side)
D
E
F
Fig. 3-5-4 EU55 Front Jack PC Board (Bottom side)
5-3. Battery PC Board
Fig. 3-5-5 EU57 Battery PC Board (Top side)
G
Fig. 3-5-6 EU57 Battery PC Board (Bottom side)
Page 46
A
B
C
256789
5-4. Front Display PC Board
10134
Fig. 3-5-7 EU03 Front Display PC Board (Top Side)
D
E
F
Fig. 3-5-8 EU03 Front Display PC Board (Bottom Side)
G
Page 47
A
B
C
5-5. Mother PC Board
256789
10134
D
E
F
G
Fig. 3-5-9 EU05 Mother PC Board (Top side)
Page 48
A
B
C
256789
10134
D
E
F
G
Fig. 3-5-10 EU05 Mother PC Board (Bottom side)
Page 49
A
B
C
5-6. Digital PC Board
256789
10134
D
E
F
Fig. 3-5-11 EU01 Digtital PC Board (Top side)
G
Fig. 3-5-12 EU01 Digtital PC Board (Bottom side)
Page 50
SECTION 4
PARTS LIST
SAFETY PRECAUTION
The parts identified by ! ( ) mark are critical for safety. Replace only with part number specified.
The mounting position of replacement is to be identical with originals.
The substitute replacement parts which do not have the same safety characteristics as specified in the parts list may create
shock, fire or other hazards.
NOTICE
The part number must be used when ordering parts in order to assist in processing, be sure to include the model number and
description.
ABBREVIATIONS
1. Integrated Circuit (IC)
2. Capacitor (Cap)
• Capacitance Tolerance (for Nominal Capacitance more than 10pF)
Table 4-2-1
Symbol
Tolerance %B± 0.1C± 0.25
Symbol
Tolerance %
• Capacitance Tolerance (for Nominal Capacitance 10pF or less)
- INTEGRATED CIRCUITS -
IC301 79040007 IC TC7S08F
IC302 79040007 IC TC7S08F
IC303 79040007 IC TC7S08F
IC304 79040248 IC S-80145CLMC-J16
IC305 79040356 IC W986432DH
IC306 79040398 IC ZR36750
IC307 79040357 IC S-24C02AFJA-TB
IC308 79040357 IC S-24C02AFJA-TB
IC309 79040284 IC MBM29DL324BD
IC310 79040399 IC MM1561JFBE
IC312 79040354 IC TC74VHCT244AFTE
IC313 79040354 IC TC74VHCT244AFTE
IC401 79040282 IC TC94A03F
IC402 79040323 IC M11B11664A-30T
IC502 79040296 IC TA1323F
IC503 79040324 IC BA5813FM-E2
IC504 79040014 IC TA75S01F
IC901 79040249 IC TC7SH08FU
IC902 79040365 IC AD1958YRS
IC903 79040396 IC PCM1742KE2K
IC904 79040396 IC PCM1742KE2K
IC905 79040397 IC MM1575ANRE
- INTEGRATED CIRCUITS -
ICX01 79040401 IC MM1568AJBE
ICY01 79040044 IC NJM4580E
ICY02 79040074 IC TC74HCU04AF
ICY04 79089159 IC TOTX179
ICY05 79040044 IC NJM4580E
ICY06 79040044 IC NJM4580E
- INTEGRATED CIRCUITS -
IC200 79040387 IC SAA7118E
IC201 79040308 IC IDT74LVC1G04ADY
IC203 79040388 IC PQ070XZ01ZP
IC204 79040307 IC 74LVC244APW
IC206 79040163 IC MT48LC1M16A1TG
IC207 79040163 IC MT48LC1M16A1TG
IC208 79040307 IC 74LVC244APW
IC209 79040314 IC TL750
IC210 79040163 IC MT48LC1M16A1TG
IC211 79040163 IC MT48LC1M16A1TG
IC212 79040385 IC TC200G08AF
IC213 79040386 IC PST591KMT
IC214 79040308 IC IDT74LVC1G04ADY
IC215 79040164 IC R5510H010C-T1
IC216 79040163 IC MT48LC1M16A1TG
IC217 79040163 IC MT48LC1M16A1TG
IC218 79040307 IC 74LVC244APW
IC219 79040307 IC 74LVC244APW
IC220 79040163 IC MT48LC1M16A1TG
IC221 79040243 IC ZR36735
IC222 79040388 IC PQ070XZ01ZP
IC223 79040389 IC UPD61052
IC224 79040308 IC IDT74LVC1G04ADY
IC225 79040307 IC 74LVC244APW
IC227 79040305 IC HY57V641620HGT
IC228 79040305 IC HY57V641620HGT
IC229 79040308 IC IDT74LVC1G04ADY
IC230 79040390 IC PQ1X331M2ZP
IC231 79040315 IC S-24C04BFJ-TB
IC232 79040103 IC S-24C08AFJA
IC234 79040302 IC HD6417612RF
IC235 79040307 IC 74LVC244APW
IC238 79040391 IC MBM29DL324BE-90TN
IC239 79040392 IC HY57V281620HCT
IC240 79040309 IC IDT74LVC1G08ADY
IC241 79040315 IC S-24C04BFJ-TB
IC242 79040391 IC MBM29DL324BE-90TN
IC243 79040392 IC HY57V281620HCT
IC244 79040306 IC PST594JMT
IC245 79040305 IC HY57V641620HGT
IC247 79040393 IC TC223G66TB-7002
- INTEGRATED CIRCUITS -
IC801 79040330 IC UPD78F4225YGC-8
IC802 79040380 IC BD4722G-TR
IC803 79040310 IC IDT74FCT541ASO
ICA01 79040377 IC TC9208N
ICA02 79040383 IC TC74HC138AF
ICA03 79040044 IC NJM4580E
ICA05 79040044 IC NJM4580E
ICA06 79040376 IC M5283P
ICA07 79040044 IC NJM4580E
ICA11 79040044 IC NJM4580E
ICA13 79040044 IC NJM4580E
ICA15 79040287 IC TC74LVX244FT
ICA16 79040227 IC PLL1700E-T
ICA17 79040263 IC CS5331A-T
ICA18 79040379 IC NJM2870F05
ICA19 79040044 IC NJM4580E
ICA20 79040365 IC AD1958YRS
ICA23 79040074 IC TC74HCU04AF
ICA24 79089024 Terminal,Optical TOTX178
ICA25 79040370 IC SN74LS07NS
ICA27 79040379 IC NJM2870F05
ICA30 79040006 IC TC7S04F
PART
NUMBERDESCRIPTION
LOCATION
NUMBER
ICA32 79040044 IC NJM4580E
ICB01 P000363360 IC CXA2064M
ICW05 79040363 IC MM1567AJBE
ICW07 79040139 IC ADV7172
ICX01 79040381 IC MM1503XNRE
ICX03 79040381 IC MM1503XNRE
ICX04 79040381 IC MM1503XNRE
ICX05 79040382 IC MM1140XFFE
ICX06 79040369 IC MM1113XFBE
ICX07 79040381 IC MM1503XNRE
ICX11 79040373 IC UPD64083GF-3BE
ICX13 79040368 IC MM1504XNRE
ICX14 79040367 IC MM1502XNRE
ICX15 79040371 IC BA7046F
ICX16 P000363370 IC NJM2330MV
ICX21 79040378 IC MM1562FFBE