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Sanyo
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DC
Sanyo DC User Manual
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ADJUSTMENT
OF
DECK
&
TORQUE
4.
Torque
Measurements
,.,
.
.
i
ITEM
TAKE-UP
TORQUE
BACK
TENSION
TAPE
TENSION
PLAY
:TW211
l(FWD)
PLAY
:TW211
l(FWD)
Driving
power
cassette:
Test
cassette
PLAY
:TW2121
(REV)
PLAY
:TW2121
(REV)
TW-2412(FWD)
F.
FWD/REW;
TW2231
REW:Torque
Gage
TW-2422(REV)
PLAY
30-
60gr.cm
2.0-
5.
Ogr.cm
>
80g
F.FWD
70-
140gr.cm
REW
70-
140gr.cm
5.
Replacement
of
Head
Lead
Connection
Method
of
Rotary
Head
1.
Fix
the
leads
from
the
head
at
the
stem
with
the
rubber
adhesives.
.
6.
Replacement
of
Motor
and
Belt
SHORT
LOWER
1
.-
...
.
.
.
.
,.
34
36
Table of Contents
Contents
1
Specification
2
System Connection
2
Operating the Reset Switch
3
Parts List
3
Packing
3
Remote Controller Unit
3
Tuner/CD Player Unit
4
Adjustment (Tuner)
4
FM/AM Band
4
Parts Location
4
Laser Beam Safety Precautions (CD)
5
CD Mechanism Removal
6
Preparations
6
Removing and Installing the Disc Tray
6
Disassembling the Mechanism
6
Machanism Removal (CD)
7
Replacing and Lubricating the Pickup
7
Replacing the Loading/Sled Motor
7
Checking the Loading/Sled Motor's Operation
7
Check Points for CD Mechanism Assembly and Lubrication
8
Lubricating and Mounting the Tray Slide
8
Installing the Tray Gear
8
Installing the Base Up/Down Slide and Timing Gear
8
Lubricating the Base Lever
9
Lubricating the Pickup Sled Gear and Clutch Gear
9
Arranging and Securing the Leads
9
Service Mode
10
Specifications
10
Confirm the Clock
10
Checking the Key Input Signal Connections
10
Checking LCD Connections
11
System Connector Checking Mode
11
CD Tracking Balance Adjusting Mode
11
CD Operation Display Mode
11
Displays During the CD Operation Mode
12
Display of CD Errors
12
CD Adjustment
13
Electrical Adjustment
13
Preparations for Adjustments
13
Initial Set
13
Band Pass Filter
13
Other Adjustment of Tracking Balance
14
Focus Gain Confirmation
14
Tracking Gain Confirmation
14
Parts List
15
Product Safety Notice
15
Exploded View (Tuner and CD Unit)
17
Exploded View (CD Mechanism)
18
Parts List (CD Mechanism)
18
IC Block Diagram
19
Dual Motor and Actuator Coil Driver
19
Block Diagram (CD)
22
Dual Operational Amplifier
22
3 Terminal Voltage Regulator
23
Tuner if System
23
FM PLL MPX Stereo Demodulator
23
PLL Frequency Synthesizer
23
Front
24
Lcd
25
Voltages of IC (CD)
26
Voltages of IC and Transistor
27
Schematic Diagram (Front)
28
Wiring Connection (Tuner/CD Unit)
29
Schematic Diagram (CD)
30
Wiring Diagram (CD)
31
Schematic Diagram (Tuner)
32
Wiring Diagram (Tuner and Front)
33
Tape Deck/Amplifier Unit
34
Block Diagram
34
Adjustmnt of Deck and Torque
34
Amplifier Adjustment
34
Torque Measurements
35
Replacement of Head
35
Replacement of Motor and Belt
35
Exploded View (Tape Deck and Amplifier Unit)
36
Tape Deck Mechanism
40
IC Block Diagram (Tape Deck)
41
Amplifier
41
LCD (Spectrum Analyzer)
43
Schematic Diagram (Tape Deck Amplifier)
44
Wiring Diagram (Tape Deck Amplifier)
45
Schematic Diagram (Pre-Amplifier)
46
Wiring Diagram (Pre-Amplifier and Front)
47
Schematic Diagram (Syscon and Power Amplifier)
48
Wiring Diagram (Power Amplifier)
49
Wiring Connection (Tape Deck/Amplifier Unit)
50
Block Diagrams
51
Schematic Diagrams
52
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Sanyo DC Specifications
General
Brand
Sanyo
Model
DC
Category
Stereo System
Language
English
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