Toshiba RDX-20 Service manual
FILE NO. 810-200220
SERVICE MANUAL
HDD/DVD VIDEO RECORDER
RD-X2U
Oct., 2002
S
LASER BEAM CAUTION LABEL
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.
And also, the LSI and IC are same as above.
Ground conductive
wrist strap for body.
Soldering iron
with ground wire
or ceramic type
1M
W
Conductive mat
The ground resistance
between the ground line
and the ground is less than 10W.
SAFETY NOTICE
SAFETY PRECAUTIONS
LEAKAGE CURRENT CHECK
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.
DVD VIDEO PLAYER
AC OUTLET
Test all exposed metal.
Voltmeter Hook-up for Leakage Current Check
AC VOLTMETER
(5000Wper volt
or more sensitivity)
Good earth ground
such as a water pipe,
W
conduit, etc.
1500
10 W
0.15mF 150V AC
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.
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
2. PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM
3. BLOCK DIAGRAMS
3-1. Overall Block Diagram
4. CIRCUIT DIAGRAMS
4-1. Power Supply Circuit Diagram
4-2. Front, Switch Circuit Diagram
SECTION 2
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
SAFETY PRECAUTION
NOTICE
ABBREVIATIONS
1. Integrated Circuit (IC)
2. Capacitor (Cap)
3. Resistor (Res)
SECTION 4
PARTS LIST
4. EXPLODED VIEWS
4-1. Packing Assembly
4-2. Chassis Assembly
5. PARTS LIST
GENERAL DESCRIPTIONS
SECTION 1
GENERAL DESCRIPTIONS
1. OPERATING INSTRUCTIONS
Please refer to the owner's manual about the contents.
SECTION 1
2. LOCATION OF MAIN PARTS AND MECHANISM PARTS
2-1. Location of Main Parts
HDD1 HDD UNIT RAM1 RAM DRIVE
2-2. Standing PC Boards for Servicing
EU05 Mother PC board EU01 Degital PC board
EU03 Front display
PC board
ZG45 FAN
Fig. 1-2-1
EU55 Front jack PC board
EU02 Power PC board
EU57 Battery PC board
EU04 Front switch PC board
Fig. 1-2-2
SECTION 2
PART REPLACEMENT AND
ADJUSTMENT PROCEDURES
CAUTIONS BEFORE STARTING SERVICING
Electronic parts are susceptible to static electricity and may easily damaged, so do not forget to take a proper grounding
treatment as required.
Many screws are used inside the unit. To prevent missing, dropping, etc. of the screws, always use a magnetized screw-
driver in servicing. Several kinds of screws are used and some of them need special cautions. That is, take care of the
tapping screws securing molded parts and fine pitch screws used to secure metal parts. If they are used improperly, the
screw holes will be easily damaged and the parts can not be fixed.
ADJUSTMENT PROCEDURES
PART REPLACEMENT AND
1. REPLACEMENT OF MECHANICAL PARTS
1-1. Cabinet Replacement
1-1-1. Top Cover
1. Remove seven screws (1), then remove the top cover
(2).
Screws (1)
Screws (1)
Top cover (2)
Screws (1)
1-1-2. HDD
1. Disconnect a connector (1).
2. Remove four screws (2) and a connector (3), then
remove the HDD (4).
Screws (2)
HDD (4)
SECTION 2
Connector (3)
Fig. 2-1-1
Connector (1)
Fig. 2-1-2
1-1-3. Front Panel
Front panel
Hinge
Claw
Claw
Operation panel door (1)
1. Remove the top cover. (Refer to item 1-1-1.)
2. Remove the HDD. (Refer to item 1-1-2.)
3. Remove five screws (1).
4. Peel off two tapes (2).
5. Disconnect a connector (3) and three flexible cables
(4).
6. Release five claws, then remove the front panel (5).
Flexible cable (4)
Tape (2)
Screws (1)
Flexible cable (4)
1-1-5. Operation panel door
1. Open the operation panel door (1).
2. Release two claws and unhinge the door (1). (Same
operation on the left and right doors.)
Claw
Tape (2)
Claws
Front panel (5)
Connector (3)
Claw
Fig. 2-1-3
1-1-4. Tray door
1. Remove a spring (1).
2. Remove the tray door (2) while slightly bending it
Spring (1)
Fig. 2-1-5
1-1-6. RAM Drive
1. Remove the HDD. (Refer to item 1-1-2.)
2. Remove the front panel. (Refer to item 1-1-3.)
3. Disconnect a connector (1).
4. Remove four screws (2), disconnect a connector (3),
then remove the RAM drive (4).
Screws (2)
RAM drive (4)
Connector (3)
Tray door (2)
Fig. 2-1-4
Connector (1)
Fig. 2-1-6
1-1-7. Fan
1. Remove a connector (1) and two screws (2) and the
fan (3).
Fan (3)
1-2. PC Board Replacement
1-2-1. Digital PC Board
1. Lift two board stoppers up in the direction of the
arrow, remove the digital PC board (2) and disconnect
two connectors (3).
Digital PC board (2)
Connector (1)
Screws (2)
Fig. 2-1-7
1-1-8. Rear Panel
1. Disconnect a connector (1) and twelve screws (2),
then remove the rear panel (3).
Real panel (3)
Screws (2)
Connector (3)
PC board stopper (1)
Fig. 2-1-9
1-2-2. Mother PC Board
1. Remove the HDD. (Refer to item 1-1-2.)
2. Remove the front panel. (Refer to item 1-1-3.)
3. Remove the RAM drive. (Refer to item 1-1-6.)
4. Remove the rear panel. (Refer to item 1-1-8.)
5. Remove the digital PC board. (Refer to item 1-2-1.)
6. Lift the connector (1) up in the direction of the arrow.
7. Remove six screws (2), then remove the mother PC
board (3).
Connector (1)
Fig. 2-1-8
Screws (2)
Mother
PC board (3)
Connector (1)
Fig. 2-1-10
1-2-3. Power PC Board
Screws (2)
Battery PC board (3)
Connector (1)
1. Disconnect three connectors (1).
2. Lift a connector (2) up towards the mother board side,
and remove it.
3. Remove a screw (3), five screws (4) and the power PC
board (5).
Connector (1)
Screws (4)
Power
PC board (5)
Connector (2)
Connector (1)
1-2-4. Battery PC Board
1. Disconnect a connector (1) and remove a screw (2)
and the battery PC board (3).
Fig. 2-1-12
Mother PC board
Fig. 2-1-11
Screws (3)
1-2-5. Front Display, Front Jack and Front Switch
PC Board
1. Remove the front panel. (Refer to item 1-1-3.)
2. Remove nine screws (1), then remove the stay (2).
3. Remove four screws (3), then remove the front display
PC board (4).
4. Remove four screws (5), then remove the front jack
PC board (6).
5. Remove two screws (7), then remove the front switch
PC board (8).
Screws (1)
Front display PC board (4)
Front
jack PC board (6)
Screws (7)
Screws (5)
Stay (2)
Screws (3)
Front panel
Fig. 2-1-13
Front
switch PC board (8)
100k
Rated Wattage Type Tolerance
100
m
Temperature
response
Rated
voltage
Tolerance
SECTION 3
SERVICING DIAGRAMS
1. CIRCUIT SYMBOLS AND SUPPLEMENTARY EXPLANATION
1-1. Precautions for Part Replacement
• In the schematic diagram, parts marked (ex.
F801) are critical part to meet the safety regulations,
so always use the parts bearing specified part codes
(SN) when replacing them.
1-2. Solid Resistor Indication
Unit None ........... W
K ........... kW
M ........... MW
Tolerance None ........... ±5%
B ........... ±0.1%
C ........... ±0.25%
D ........... ±0.5%
F ........... ±1%
G ........... ±2%
K ........... ±10%
M ........... ±20%
Rated Wattage (1) Chip Parts
None .........1/16W
(2) Other Parts
None ......... 1/6W
Other than above, described in the Circuit Diagram.
Type None ........... Carbon film
S ........... Solid
R ........... Oxide metal film
M ........... Metal film
W ...........Cement
FR ........... Fusible
• Using the parts other than those specified shall violate
the regulations, and may cause troubles such as
operation failures, fire etc.
Eg. 1
Fig. 3-1-1
SERVICING DIAGRAMS
1-3. Capacitance Indication
Symbol
Unit None ........... F
Rated voltage None ........... 50V
Tolerance (1) Ceramic, plastic, and film capacitors of which
Temperature characteristic None ........... SL
(Ceramic capacitor) For others, temperature characteristics are
Static electricity capacity Sometimes described with abbreviated letters as
(Ceramic capacitor) shown in Eg. 3.
+
........... Electrolytic, Special electrolytic
NP
........... Non polarity electrolytic
........... Ceramic, plastic
M
........... Film
........... Trimmer
m ........... mF
p ........... pF
For other than 50V and electrolytic capacitors,
described in the Circuit Diagram.
capacitance are more than 10 pF.
None ........... ±5% or more
B ........... ±0.1%
C ........... ±0.25%
D ........... ±0.5%
F ........... ±1%
G ........... ±2%
(2) Ceramic, plastic, and film capacitors of which
capacitance are 10 pF or less.
None ........... more than ±5 pF
B ........... ±0.1 pF
C ........... ±0.25 pF
(3) Electrolytic, Trimmer
Tolerance is not described.
described. (For capacitors of 0.01 mF and
no indications are described as F.)
Eg. 2
Fig. 3-1-2
Eg. 3
104
4
10x10
pF (0.1mF)
Temperature characteristic
(or Temperature characteristic+
Static electricity capacity tolerance)
Fig. 3-1-3
SECTION 3
1-4. Inductor Indication
Type name
10
m
Type Tolerance
Unit None ........... H
m ........... mH
m ...........mH
Tolerance None ........... ±5%
B ........... ±0.1%
C ........... ±0.25%
D ........... ±0.5%
F ........... ±1%
G ........... ±2%
K ........... ±10%
M ........... ±20%
1-5. Waveform and Voltage Measurement
• The waveforms for CD/DVD and RF shown in the
circuit diagrams are obtained when a test disc is
played back.
• All voltage values except the waveforms are expressed
in DC and measured by a digital voltmeter.
1-6. Others
• The parts indicated with "NC" or "KETU" etc. are not
used in the circuits of this model.
Eg. 4
Fig. 3-1-4
Eg. 5
Fig. 3-1-5
2. PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM
65432
GND
FL_5V
FL_GND
Vkk**V
Ever5V
1
GND
52807-1010
LEADS
CABLE
6P-SAN
CN105
EU03 Front display EU55 Front jack
DisMPU_CS
SCK(T->D)
SO(T->D)
SI(D->T)
CN104
GND GND
123456789
DisMPU_Res
LED_OUTR
Pwr_Key_In
R_CONT
GND
10
CN102
Video_CONP
Audio_R
Audio_L
A_GND A_GND
A_GND A_GND
A_GND A_GND
GND GND
123456789
Video_C
Video_Y
Line2_S
A_GND
A_GND
GND
101112
13
EU04 Front switch
LED_OutR
KeyScan5
Scan0
Scan1
Scan2
Scan3
1011121314
LED_Out2
GND
52807-1410
KeyScan0
KeyScan1
KeyScan2
KeyScan3
52807-1310
(SW-2) (SW-1) (SW-3)
CN101
KeyScan4
GND
123456789
EU57 Battery
CN106
2P-SAN
VCPU
GND
1
2
1
2
3
4
W004
5
6
CN
B6B-PH-K-S
GND
FL_5V
FL_GND
Vkk**V
Ever 5V
GND
EU02 Power
TAG-P25XP-B1 BEI ET
CN
GND
ON/OFF +3.3V
ON/OFF +3.3V
ON/OFF +3.3V
ON/OFF +3.3V
GND
ON/OFF +37V
ON/OFF +6V
GND
LNB_ON/OFF
PWR_ON0
PWR_ON1
ON/OFF +5V
ON/OFF +5V
GND
ON/OFF +9V
EVER 5V
GND
CYC_HALF
FAN_CTL
5VCPU
LNB+15.3V
ON/OFF +12V
GND
ON/OFF -12V
W051
FFC
10
987654321
DisMPU_Res
DisMPU_CS
CN801
CN804
1
2
3
4
5
6
7
8
9
10
11
12
13
B-B
14
15
16
17
18
19
20
21
22
23
24
25
1
2
ON/OFF +3.3V
3
ON/OFF +3.3V
4
ON/OFF +3.3V
5
ON/OFF +3.3V
6
7
ON/OFF +37V
8
ON/OFF +6V
9
10
LNB_ON/OFF
11
12
13
ON/OFF +5V
14
ON/OFF +5V
15
16
ON/OFF +9V
17
18
19
CYC_HALF
20
21
22
LNB+15.3V
23
ON/OFF +12V
24
25
ON/OFF -12V
GND
GND
GND
PWR_ON0
PWR_ON1
GND
EVER 5V
GND
FAN_CTL
5VCPU
GND
TAG-P25P-B1 GRY
RES_A_CLK
ON/OFF+5V
CNA11
GND
GND
123456789
52808-1091
87089-4016
ON/OFF+3.3V
ON/OFF+3.3V
ON/OFF+3.3V
ON/OFF+3.3V
ON/OFF+5V
SDA2
GND
10111213141516171819202122232425262728293031323334353637383940
SO
SI
RESET2X
3D_KILL
SCK
SCL2
LED_OUTR
APS2
GND
Pwr_Key_In
R_CONT
HSYNCO
APS1
GND
GNF
VSYNCO
DY1[7]
R656_CLK1
DY1[5]
DY1[6]
DY1[3]
DY1[4]
DY1[1]
DY1[2]
GND
DY1[0]
GND
D_Pr_IN
GND
D_Pb_IN
GND
D_Y_IN
EU05 Mother
C_IN
Y_IN
GND
GND
B-B
123456789
RES_A_CLK
ON/OFF+5V
CN204
GND
GND
87264-4050
10111213141516171819202122232425262728293031323334353637383940
ON/OFF+3.3V
ON/OFF+3.3V
ON/OFF+3.3V
ON/OFF+3.3V
ON/OFF+5V
GND
SDA2
RESET2X
3D_KILL
SCL2
APS2
GND
HSYNCO
APS1
GNF
VSYNCO
DY1[7]
R656_CLK1
DY1[5]
DY1[6]
DY1[3]
DY1[4]
DY1[1]
DY1[2]
GND
DY1[0]
GND
D_Pr_IN
GND
D_Pb_IN
GND
D_Y_IN
GND
C_IN
GND
Y_IN
W052
131211
10
987654321
CNW01
F_ARIN
F_ALIN
52808-1391
CNA12
GND
GND
RXD
CTS
RTS
123456789
123456789
CN205
GND
GND
RXD
CTS
RTS
87264-3050
SEALED
FFC
Video_C
Video_Y
L2-CMP
TXD
A_GND
A_GND
A_GND
L2_SW
87089-3016
PLAY_ACK
IEC958_O
GND
GND
101112131415161718192021222324252627282930
GND
DA3CSX
DGND
27MHz
BCK_O
LRCK_O
DATA_O
SCLK
GND
GND
CPU_RESET
B-B
101112131415161718192021222324252627282930
CPU_RESET
PLAY_ACK
IEC958_O
GND
GND
GND
TXD
GND
DA3CSX
DGND
27MHz
BCK_O
LRCK_O
DATA_O
SCLK
GND
DA1CSX
PRGCS
DA1CSX
PRGCS
SDATA
SDATA
GND
GND
MUTE
MUTE
W053
FFC
131211
10
14
987654321
KeyScan0
KeyScan1
KeyScan2
KeyScan3
KeyScan4
CN802
GND
KeyScan5
52808-1491
LRCK_I
DATA_I
BCK_I
GND
LRCK_I
DATA_I
BCK_I
GND
Scan0
Scan1
Scan2
Scan3
LED_OutR
LED_Out2
GND
W005
2
1
CN805
VCPU
GND
B02B-PH-K-S
LEADS
CABLE
S4P-VH
12V (YELLOW)
CN806
123
GND (BLACK)
GND (BLACK)
5V (RED)
4
W003
MOTOR 12V
FAN_CTL
CN809
1
2
FAN
LEADS
CABLE
B03B-PH-K-S
MOTOR GND 3
12V(YELLOW)
GND(BLACK)
123
GND(BLACK)
5V(RED)
4
RK-H401TD-0190
DRESETA
D_GND
CN201
A_DD7
A_DD8
A_DD6
123456789
123456789
RESETX
DATA7
DATA8
DATA6
GND
A_DD10
A_DD11
A_DD12
A_DD9
A_DD5
A_DD13
A_DD4
A_DD3
A_DD2
A_DD1
10111213141516171819202122232425262728293031323334353637383940
W002 W001
10111213141516171819202122232425262728293031323334353637383940
DATA10
DATA11
DATA12
DATA4
DATA3
DATA2
DATA13
DATA1
DATA9
DATA5
A_DD14
A_DD0
DATA14
DATA0
A_DMARQ
A_DD15
D_GND
A_DIOR
D_GND
ADIOW
NC
NC
LEADS CABLE LEADS CABLE
DATA15
IOWX
GND
IORX
GND
GND
RSV
KEY
A_IORDY
D_GND
IOCHRDY
GND
NC
BALE
A_DMACK
D_GND
GND
RSV
A_DINTRQ
IRQ
RAM DRIVERAM1
EU01 Digital
A_DA1NCA_DA0
A_DA2
A_CS0
A1
PDIAGX
A0
A_CS1
CS0X
CS1X
A2
NC
IOCS16X
A_DASP
D_GND
IDEACTX
GND
12V(YELLOW)
GND(BLACK)
123
GND(BLACK)
5V(RED)
4
RK-H401TD-0190
DRESETB
D_GND
CN203
B_DD7
B_DD8
B_DD6
B_DD9
123456789
123456789
RESETX
DATA7
DATA8
DATA6
DATA9
GND
HDD1HDD
B_DD10
B_DD11
B_DD12
B_DD5
DATA5
DATA10
B_DD13
B_DD4
B_DD3
B_DD2
B_DD1
10111213141516171819202122232425262728293031323334353637383940
10111213141516171819202122232425262728293031323334353637383940
DATA11
DATA12
DATA13
DATA4
DATA3
DATA2
DATA1
B_DD14
B_DD0
DATA14
DATA0
B_DD15
D_GND
DATA15
GND
NC
KEY
B_DMARQ
D_GND
GND
RSV
BDIOW
IOWX
NC
GND
B_DIOR
IORX
D_GND
GND
B_IORDY
NC
IOCHRDY
BALE
B_DMACK
D_GND
GND
RSV
B_DINTRQ
B_DA1NCB_DA0
NC
IOCS16X
IRQ
A1
PDIAGX
A0
B_DASP
D_GND
B_DA2
B_CS0
B_CS1
IDEACTX
CS0X
CS1X
GND
A2
Fig. 3-2-1
3. BLOCK DIAGRAMS
3-1. Overall Block Diagram
S-in
C_Video-in
Audio-in L/R
S-in
C_Video-in
Audio-in L/R
S-in
C_Video-in
Audio-in L/R
VHF/UHF
DVD RAM/R Drive
80GB Hard DisK Drive
IN_1
IN_2
INPUT
Line Selector
IN_3
V/U Tuner
ENG34509G
20MHz
ICa17
4.0MHz
ICX11
uPD64083
3DYC_DNR
IC200
Video
AD Converter
SAA7118
24.576MHz
Audio
AD Converter
CS5331
ICa16
PLL
PLL1700
IC212
Frame sync
TC200G08AF
12.288MHz
OSC
27MHz
-0031(Z)
8MB
SDRAM
CYGNUS
ATAPI control
TC223G66TB-7002(Z)
16MB
SDRAM
IC223
MPEG2 Encoder
uPD61052
2MB
SDRAM
8MB FLASH ROM
4kB
EEP_ROM
32MB SDRAM
15MHz
12.5MHz
4kB
EEP_ROM
IC247
32.785KHz
4MB
SDRAM
PS & DVD Decoder
ZR36735
IC209
Graphic Processor
TL750
Main MPU
HD6417612
Timer CPU
uPD784225Y
IC221
IC234
8MB
SDRAM
8kB
EEP_ROM
ICa02
Audio DAC
AD1985
Video Encoder
ADV7172
Video Driver
MM1567
ICW07
ICW05
Audio LPF
&Amplifier
ANALOG
CIRCUIT
Audio OUT
VIDEO
ANALOG
CIRCUIT
Video OUT
OUT_1
OUT_2
OUT_1
OUT_2
Lch
Rch
Lch
Rch
Y
Cb
Cr
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
2 5 6 7 89
4. CIRCUIT DIAGRAMS
10134
A
B
C
4-1. Power Supply Circuit Diagram
D
E
F
G
Fig. 3-4-1
A
B
C
2 5 6 7 89
4-2. Front, Switch Circuit Diagram
10134
D
E
F
G
Fig. 3-4-2
A
B
C
134
4-3. Front Jack Circuit Diagram
2 5
D
E
F
Fig. 3-4-3
G
A
B
C
2 5 6 7 89
4-4. Front Display Circuit Diagram
10134
D
E
F
G
Fig. 3-4-4
Loading...