Panasonic CQ-LT4480K Service Manual ▷ View online
1
FEATURES
2
2
WIRING CONNECTION (Tape Deck)
2
3
BLOCK DIAGRAM (Tape Deck)
2
4
ALIGNMENT INSTRUCTIONS
3
5
ALIGNMENT POINTS
3
2 WIRING CONNECTION
(Tape Deck)
6
TAPE PLAYER PARTS
4
7
EXPLODED VIEW (Tape Deck)
6
8
WIRING DIAGRAM
7
9
SCHEMATIC DIAGRAM (Tape Deck)
9
3 BLOCK DIAGRAM (Tape
Deck)
CONTENTS
Page
Page
1 FEATURES
·
The specifications are based on the main unit.
2
·
Power Supply Voltage : DC13.2V
·
Output Impedance : 4
Ω
·
Output Power : 0.5W
·
Balance, Fader Control : center
·
Bass, Treble Control : Center
·
Dolby NR: OFF
4 ALIGNMENT INSTRUCTIONS
4.1. Alignment Conditions
Note :
Do not align the FM/AM package block. When the package block is necessary, it will be supplied already aligned at the
factory.
factory.
4.2. Dolby NR Alignment
Step
Alignment Item
Test Tape
VTVM Connection
Adjust
Remarks
(1)
DOLBY NR Rch
RFKZ0038
TP201
VR201
Adjust for 388mV ±1.0dB
(2)
DOLBY NR Lch
RFKZ0038
TP301
VR301
Adjust for 388mV ±1.0dB
5 ALIGNMENT POINTS
3
6 TAPE PLAYER PARTS
Ref.
No.
Part No.
Part Name & Description
Remarks
[E8790A] Dolby Block
IC´s and TRANSISTORs
IC1
C1BB00000100
IC
Q401
YEANC114YKX
Transistor
CAPACITORs
C201
YECUS1H331JM
Ceramic, 330PF 50WV
C202
YECUS1H331JM
Ceramic, 330PF 50WV
C204
YECUS1H123KX
Ceramic, 0.012µF 50WV
C205
F1J1H333A429
Ceramic, 0.033µF 50WV
C206
YECUS1C104KX
Ceramic, 0.1µF 16WV
C301
YECUS1H331JM
Ceramic, 330PF 50WV
C302
YECUS1H331JM
Ceramic, 330PF 50WV
C304
YECUS1H123KX
Ceramic, 0.012µF 50WV
C305
F1J1H333A429
Ceramic, 0.033µF 50WV
C306
YECUS1C104KX
Ceramic, 0.1µF 16WV
C401
ECEA1CKS220I
Electrolytic, 22µF 16WV
C402
ECEA1AKS330I
Electrolytic, 33µF 10WV
C403
YECUV2A103KX
Ceramic, 0.01µF 100WV
C404
F1J1H3330006
Ceramic, 0.033µF 50WV
C405
ECEA1HKSR33I
Electrolytic, 0.33µF 50WV
C406
YECUS1H472KX
Ceramic, 0.0047µF 50WV
C407
ECEA1CKS100I
Electrolytic, 10µF 16WV
C409
YECUS1H472KX
Ceramic, 0.0047µF 50WV
C501
F1K1E334A022
Ceramic, 0.33µF 25WV
RESISTORs
J1
ERJ6GEY0R00
Chip, 0
Ω
Ω
Ω
Ω
1/10W
J2
ERJ6GEY0R00
Chip, 0
Ω
Ω
Ω
Ω
1/10W
J3
ERJ6GEY0R00
Chip, 0
Ω
Ω
Ω
Ω
1/10W
J4
ERJ6GEY0R00
Chip, 0
Ω
Ω
Ω
Ω
1/10W
J5
ERJ6GEY0R00
Chip, 0
Ω
Ω
Ω
Ω
1/10W
J11
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J12
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J13
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J14
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J15
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J16
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J17
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J18
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J19
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J20
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J21
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J22
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J23
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J24
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J25
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J26
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J27
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J28
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J29
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J30
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J31
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
R201
ERJ6GEYJ683
Chip, 68k
Ω
Ω
Ω
Ω
1/10W
R202
ERJ6GEYJ683
Chip, 68k
Ω
Ω
Ω
Ω
1/10W
R207
ERJ8GEYJ181V
Chip, 180
Ω
Ω
Ω
Ω
1/8W
R301
ERJ6GEYJ683
Chip, 68k
Ω
Ω
Ω
Ω
1/10W
R302
ERJ6GEYJ683
Chip, 68k
Ω
Ω
Ω
Ω
1/10W
R307
ERJ6GEYJ181
Chip, 180
Ω
Ω
Ω
Ω
1/10W
R402
ERJ6GEYJ183
Chip, 18k
Ω
Ω
Ω
Ω
1/10W
R403
ERJ6GEYJ473
Chip, 47k
Ω
Ω
Ω
Ω
1/10W
R404
ERJ8GEYJ334V
Chip, 330k
Ω
Ω
Ω
Ω
1/8W
R405
ERJ8GEYJ392V
Chip, 3.9k
Ω
Ω
Ω
Ω
1/8W
R406
ERJ6GEYJ273
Chip, 27k
Ω
Ω
Ω
Ω
1/10W
R408
ERJ8GEYJ223V
Chip, 22k
Ω
Ω
Ω
Ω
1/8W
R409
ERJ6GEYJ273
Chip, 27k
Ω
Ω
Ω
Ω
1/10W
R501
ERJ6GEYJ472
Chip, 4.7k
Ω
Ω
Ω
Ω
1/10W
Ref.
No.
Part No.
Part Name & Description
Remarks
CONNECTORs
CN1
YEAE012385
Connector, 17P
CN3
YEAESLW05R1
Connector, 5P
SWITCHEs
SW1
K0J1CB000001
Switch
SW2
YEAS07174
Switch
SW3
YEAS08042
Switch
VARIABLE RESISTORs
VR201
EVNDXAA00B13
Variablr resistor
VR301
EVNDXAA00B13
Variablr resistor
[E8927A] Reel Block
TRANSISTORs
TE1
CNA1312K01MC
Photo Transistor
TE2
CNA1312K01MC
Photo Transistor
CAPACITORs
C1
YECUS1H471JM
Ceramic, 470PF 50WV
C2
YECUS1H471JM
Ceramic, 470PF 50WV
RESISTORs
J1
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J2
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J3
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J4
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J5
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J6
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J7
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
J8
ERJ8GEY0R00V
Chip, 0
Ω
Ω
Ω
Ω
1/8W
R1
ERJ8GEYJ683V
Chip, 68k
Ω
Ω
Ω
Ω
1/8W
R2
ERJ8GEYJ683V
Chip, 68k
Ω
Ω
Ω
Ω
1/8W
R3
ERJ8GEYJ472V
Chip, 4.7k
Ω
Ω
Ω
Ω
1/8W
R4
ERJ8GEYJ472V
Chip, 4.7k
Ω
Ω
Ω
Ω
1/8W
R5
ERJ8GEYJ472V
Chip, 4.7k
Ω
Ω
Ω
Ω
1/8W
R6
ERJ8GEYJ472V
Chip, 4.7k
Ω
Ω
Ω
Ω
1/8W
R7
ERJ8GEYJ821V
Chip, 820
Ω
Ω
Ω
Ω
1/8W
R8
ERJ8GEYJ821V
Chip, 820
Ω
Ω
Ω
Ω
1/8W
CONNECTORs
CN2
YEAE012406
Connector,
SWITCHEs
SW4
K0F111B00047
Switch
SW5
EVQWJE001
Rotary Switch
Mechanical Parts
MISCELLANEOUS
1
YGFX0052472
Lock Plate Spring
2
YGFX0052454
Spring
3
YGFX0462100
Cassette Holder (U) Ass´y
4
YGFX0462104
Cassette Holder(L)
5
YGFA011830
Head Chassis Ass´y
6
YGFX234194
Cam
7
YGFX0052427
Back Tension Spring
8
YGFX209271
Reel (R) Ass´y
9
YGFX0052471
Holding Spring
10
YGJW04131
Washer
11
YGFX0052475
Lack Plate Spring
12
YGFX0031035
Lack Plate
13
YGFA011827
Main Chassis Ass´y
14
YGFX0052444
EQ Lever Spring
4
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