SRF-DR2000
SERVICE MANUAL
Ver 1.0 1998.03
SPECIFICATIONS
Frequency range 87.5 – 108MHz
FM multiplex DARC type
64 x 132 FSTN LCD display
Output 2 jack (stereo minijack)
Power output 8 mW + 8 mW (at 10% harmonic distortion)
Power requirements DC 3V, two R6 (size AA) /LR6 batteries
Auto power off function Approx. 120 minutes
Dimensions 116 x 70.5 x 28 mm (w/h/d)
(Approx. 4 5/8 x 2 7/8 x 11/8 inches) not incl.
projecting parts and controls
Mass Approx. 150 g (5.3 oz) incl. batteries
Supplied Accessories Stereo headphones (1)
French Model
Design and specifications are subject to change without notice.
FM DATA RECEIVER
MICROFILM
TABLE OF CONTENTS
Specifications ........................................................................... 1
1. GENERAL ...................................................................... 2
2. DISASSEMBLY
2-1. Cabinet (Rear) Removal ............................................. 6
2-2. Main Board Removal ................................................. 6
2-3. MICOM Board, LCD1 Removal ................................ 7
3. ELECTRICAL ADJUSTMENTS...........................8
SECTION 1
GENERAL
4. DIAGRAMS
4-1. Explanation of IC Terminals....................................... 9
4-2. Block Diagrams ........................................................ 13
4-3. Printed Wiring Boards (Main Section) ..................... 15
4-4. Schematic Diagram (Main Section) ......................... 17
4-5. Printed Wiring Boards (MICOM Section)................ 19
4-6. Schematic Diagram (MICOM Section) .................... 21
5. EXPLODED VIEW ................................................ 24
6. ELECTRICAL PARTS LIST ................................ 25
This section is extracted from
instruction manual.
– 2 –
SECTION 2
DISASSEMBLY
r
The equipment can be removed using the following procedure.
Set
Cabinet (Rear)
Main board
Note : Follow the disassembly procedure in the numerical order given.
2-1. CABINET (REAR) REMOVAL
MICOM board, LCD1
2
Screws (1.7x10)
7
Claws
Cabinet (Front)
2-2. MAIN BOARD REMOVAL
8
3
4
6
Cabinet (Rear)
5
1
Lid, battery case
Claws
Main board
5
Removal solder
Claw
1
4
Claws
3
2
– 6 –
2-3. MICOM BOARD, LCD1 REMOVAL
1
Screws (1.7x5)
MICOM board
Claw
4
Claw
3
2
5
6
Cabinet (Front)
Holder (LCD)
9
MICOM board
0
!¡
7
LCD1
– 7 –
8