Ic Block Diagrams; Section 5 Exploded View - Sony ICF-C290 Service Manual

• IC Block Diagrams

IC1 CXA1019S
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
AM IF DET AGC
TUNING
METER
AF POWER AMP AM FE FM IF
FM
DISCRIMINATOR
FM FE
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
IC2 LM8560N
28 27 26 25 24 23 22 21 20
50/60Hz 50/60Hz 50/60Hz 50/60Hz
OSC
D D D D
CTR
GATE 1/25 OR 1/30 2Hz
PWR
UP
STAND INPUT
50/60Hz
BY DET CONTROL
PWR
UP
1kHz
50/60Hz
1/2
BLANK
SEC RSTYHLD
PF. RESET
SEC
&
DET CONTROL
CTR T.RST
FLASH
GATE
T.DISP &
AL.RST
S.SAMPLE
SEC
TIME
OUTPUT
DECODER/
DISPLAY
DRIVER
ALARM CONTROL
SLEEP
1 – 13
19 18 17 16 15
50/60Hz 50/60Hz
D D
OUTPUT
CONTROL
CONTROL
S.SAMPLE
TONE
F.SAMPLE
2Hz
PWR UP
SLEEP
CTR
ALARM & ALARM &
S.SAMPLE F.SAMPLE
ALARM ALARM
MIN CTR HR CTR
SEC DISP
COMPARATOR
T.DISP
AL.DISP
TIME TIME
SL.DISP
MIN CTR HR CTR
TIME & TIME &
S.SAMPLE F.SAMPLE
14
– 15 –
EXPLODED VIEW
NOTE:
• -XX and -X mean standardized parts, so they • Items marked "*" are not stocked since they
may have some difference from the original one. are seldom required for routine service. Some
• Color Indication of Appearance Parts delay should be anticipated when ordering these
Example: items.
KNOB, BALANCE (WHITE) . . . (RED) • The mechanical parts with no reference num-
↑ ↑
ber in the exploded views are not supplied.
Parts Color Cabinet's Color • Accessories and packing materials are given in
• Abbreviation the last of the electrical parts list.
AUS : Australian
EA : Saudi Arabia
IT : Italian
SP : Singapore
12
(E model)
A (except E model)
15
15
15
1
2
4
3
5
Ref. No. Part No. Description
1 3-018-229-01 KNOB (FUNCTION) (BLACK)
1 3-018-229-11 KNOB (FUNCTION) (WHITE)
2 3-919-270-01 MARKER
3 3-018-230-01 SCALE, DIAL (C290: AEP, IT, EA, SP)
3 3-018-230-11 SCALE, DIAL (C290: AUS, UK, E)
3 3-018-230-21 SCALE, DIAL (C290L)
4 3-018-226-01 CABINET (UPPER) (BLACK)
4 3-018-226-11 CABINET (UPPER) (WHITE)
5 3-018-228-01 BUTTON (BLACK)
5 3-018-228-11 BUTTON (WHITE)
* 6 A-3662-242-A MAIN BOARD, COMPLETE (C290L)
* 6 A-3662-244-A MAIN BOARD, COMPLETE (C290: AUS)
* 6 A-3662-246-A MAIN BOARD, COMPLETE (C290: AEP, SP)
* 6 A-3662-247-A MAIN BOARD, COMPLETE (C290: IT)
* 6 A-3662-248-A MAIN BOARD, COMPLETE (C290: UK)
* 6 A-3662-801-A MAIN BOARD, COMPLETE (C290: EA)
* 6 A-3679-648-A MAIN BOARD, COMPLETE (C290: E)
7 1-535-804-21 SNAP, BATTERY
8 3-919-271-01 HOLDER (ANTENNA) (C290: E)
8 3-922-610-01 HOLDER (ANTENNA) (C290: EXCEPT E/C290L)
9 3-919-267-01 KNOB (TUNE) (C290: E)
9 3-922-609-01 KNOB (TUNE) (C290: EXCEPT E/C290L)
10 3-919-269-01 POINTER
11 3-919-268-01 KNOB (VOL)
SECTION 5
The components identified by mark
! or dotted line with mark ! are
critical for safety.
Replace only with part number
specified.
not supplied
D7
T2
19
17
10
SP1
18
not supplied
18
14
Remark Ref. No. Part No. Description
* 12 1-654-818-11 POEWR SUPPLY BOARD (C290: E)
13 3-018-227-01 CABINET (LOWER) (BLACK) (C290)
13 3-018-227-11 CABINET (LOWER) (WHITE) (C290)
13 3-018-227-21 CABINET (LOWER) (BLACK) (C290L)
13 3-018-227-31 CABINET (LOWER) (WHITE) (C290L)
14 3-369-135-21 LID, BATTERY CASE
! 15 1-555-795-00 CORD, POWER (C290: AEP, IT, EA, SP/C290L)
! 15 1-558-566-21 CORD, POWER (C290: E)
! 15 1-765-458-11 CORD, POWER (C290: AUS)
! 15 1-769-578-11 CORD, POWER (C290: UK)
17 7-621-770-87 SCREW +P 2.6X5 (C290: E)
18 7-685-649-79 SCREW +P 3X14 TYPE2 NON-SLIT
* 19 3-905-767-01 PLATE, SHIELD (C290L)
D7 1-809-515-11 DIODE LTC-6512PDK2 (C290: AUS, UK, E)
D7 1-809-515-21 DIODE LTC-6512PDK4
(C290: AEP, IT, EA, SP/C290L)
L1 1-501-765-11 ANTENNA, FERRITE-ROD (AM)
L1 1-501-742-11 ANTENNA, FERRITE-ROD (MW) (C290: E)
L1 1-501-777-11 ANTENNA, FERRITE-ROD (LW) (C290L)
SP1 1-504-748-11 SPEAKER (6.6CM)
! T2 1-427-927-11 TRANSFORMER, POWER (C290: E)
! T2 1-427-928-11 TRANSFORMER, POWER
(C290: EXCEPT E/C290L)
– 16 –
7
6
(including A)
L1
9 8
11
13
18
Remark
(C290: EXCEPT E)