DOWNLOAD Sharp XL-70 (serv.man24) Service Manual ↓ Size: 14.21 KB | Pages: 1 in PDF or view online for FREE

Model
XL-70 (serv.man24)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
14.21 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Adjustments
File
xl-70-sm24.pdf
Date

Sharp XL-70 (serv.man24) Service Manual ▷ View online

XL-60H/70H
– 12 –
MECHANISM SECTION
• Driving Force Check
Torque Meter
Specified Value
Play: TW-2412
Over 80 g
• Torque Check
Torque Meter
Play: TW-2111
30 to 60 g. cm
Fast forward: TW-2231
55 to 140 g.cm
Rewind: TW-2231
55 to 140 g.cm
Specified
Value
Adjusting
Point
Instrument
Connection
Test Tape
ADJUSTMENT
Specified Value
• Tape Speed
Figure 12-1 ADJUSTMENT POINT
TUNER SECTION
Figure 12-2 ADJUSTMENT POINTS
MAIN PWB
FM
ANTENNA
SOCKET
T351
R336
CNP301
AM
ANTENNA
SOCKET
FE301
VR351
FM Mute
Level
AM IF
TP301
SO301
T302
AM
Tracking fL
T306
AM Band
Coverage fL
MTT-111
Variable
3,000 
±
Headphone
resistor in
90 Hz
terminal
motor.(M901)
Adjusting
Parts
Display
Frequency
• Setting the Test Mode
Keeping the FF/FWD button and MEMORY/SET button
pressed, turn on POWER. Then, the frequency is initially set
in the memory as shown in Table. Call it with the JOG DIAL
knob to use it for adjustment and check of tuner circuit.
Preset No.
FM
Preset No.
AM
1
87.50 MHz
6
522 kHz
2
108.00 MHz
7
1,620 kHz
3
98.00 MHz
8
990 kHz
4
90.00 MHz
9
603 kHz
5
106.00 MHz
10
1,404 kHz
• FM Mute Level
Signal generator: 1 kHz, 40 kHz dev., FM modulated
*1. Adjust so that an output signal appears.
Check Point
Instrument
Connection
Display
Frequency
87.5 MHz
87.5 MHz
2.2 V 
±
 0.7 V
TP301
108 MHz
108 MHz
7.3 V 
±
 1.0 V
TP301
• Check FM VT
Signal generator: 1 kHz, 40 kHz dev., FM modulated
98.00 MHz
98.00 MHz
VR351*1
Input: SO301
(30 dB
µ
V)
Output: Speaker
Terminal
Instrument
Connection
*1. Input: Antenna,
Output: Speaker Terminal
*2. Input: Input is not connected,
Output: TP301
Frequency
Frequency
Display
Setting/
Adjusting
Parts
Instrument
Connection
AM IF
450 kHz
1,620 kHz
T351
*1
 AM Band
522 kHz
(fL): T306
*2
Coverage
1.1 
±
 0.1 V
AM
990 kHz
990 kHz
(fL): T302
*1
Tracking
fL: Low-range frequency
fH: High-range frequency
Signal generator: 400 Hz, 30%, AM modulated
• AM IF/RF
TAPE MECHANISM
M901
Tape
Motor
Variable
resistor
in motor
Display

Sharp XL-70 (serv.man24) Service Manual ▷ Download

  • DOWNLOAD Sharp XL-70 (serv.man24) Service Manual ↓ Size: 14.21 KB | Pages: 1 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sharp XL-70 (serv.man24) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp XL-70 (serv.man24) System. Information contained in Sharp XL-70 (serv.man24) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.