Printed Wiring Boards – Lcd/Key Boards - Sony ICF-CD2000 Service Manual

ICF-CD2000/CD2000S
7-6. PRINTED WIRING BOARDS – LCD/KEY Boards –
1 2 3 4 5
Note on Printed Wiring Boards:
A • X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
• z : Through hole.
• b : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side: Parts on the pattern face side seen from
B
(Conductor Side) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Component Side) the parts face are indicated.
LCD BOARD
(COMPONENT SIDE)
C
S402
S402
WORLD/
LOCAL
D
E
F
D402
R401
R402
R403
G
R404
R405
H
(OPEN MAIN)
S401
I
J
05
– 40 –
6 7 8 9 10 11 12
• Semiconductor Location
Ref. No. Location Ref. No. Location
D401 G-18 IC401 F-7
D402 F-5 IC402 G-17
IC403 G-19
D403 F-5
D404 F-6
D405 C-23 Q401 I-8
Q402 J-8
D406 D-23
D407 C-15 Q403 F-18
D408 D-15 Q404 F-20
Q405 F-17
D409 G-18
D410 G-8 Q406 F-20
D411 G-20 Q407 G-18
Q408 G-18
D412 F-18
D413 H-8 Q410 F-20
D417 F-20 Q411 E-14
D419 F-20 Q412 D-14
D420 H-20 Q413 H-20
D421 H-19 Q414 H-20
D422 G-20 Q415 J-7
S403
D450 E-14
D. S. T.
D451 E-14
SUMMER T.
S403
R452
D404
64 41
C422
65
40
D403
IC401
C414
K A D410
80
25
R432
1 24
R461
R424 R460
R433
C476
C474
C475
C489 K A
R415
D413
R414
C488
C487
R467
B C E Q401
R487
Q415 Q402
11
1-673-931- (11)
– 41 –
13 14 15 16 17 18 19
LCD BOARD
(CONDUCTOR SIDE)
D407
D407, 408
(LCD BACK LIGHT)
R431
D408
R498
R428
Q412
R429
R497 K A
D451
R430
+ Q411 LCD401
R493
(LIQUID CRYSTAL DISPLAY)
(CHASSIS)
A
K 32
D450
TP448
(CD2000:E, SP, JE)
(CD TEST 3)
L404
TP444
Q405 Q403
TP449
(GND)
(GND) (CD2000S)
B C E B C E
A
D412 K
L402
K
BRN D401
+ R750
A C420
X402
K
BLK
– D409 TP453
+
SP201 C403 A A (RESET)
R479 IC403
(SPEAKER RCH)
Q407
C402
1
IC402 C406
1 3
Q408
X401
C401 + TP418
(AFC)
36 1
CN401
MAIN BOARD
A
CN301
(Page 32) TP419
(REG)
5 1
CN403
C483 TP429
C482
C481
C486
C447
1-673-931-
– 42 –
20 21 22 23 24 25 26
KEY BOARD (COMPONENT SIDE)
D405
D405, 406
(LCD BACK LIGHT)
R426
R427
D406
BAT401
LITHIUM BATTERY
3V
(FOR BACK-UP)
1
R470 R471 R472 R473
D419
(CD2000:US, CND/CD2000S)
B C E B C E B C E TP446
D417
(TUNER TEST)
Q410 Q404 Q406
TP447
(CD TEST 2)
(CD2000)
R450
BLK
C490 –
A K D422 BRN
+
R754 SP101
(SPEAKER LCH)
3
R446
TP445
(CD TEST 1)
E C B Q413
E C B Q414
K
D420
R454
A R434
R445
5
D421
1
11
(11)
– 43 –
27 28 29 30 31 32 33
KEY BOARD
(CONDUCTOR SIDE)
SNOOZE
SLEEP OFF/LIGHT
CD
OFF
ALARM RESET
RADIO SLEEP
R702 R703 R704
BAND
5
S710
STATION
SELECT/
4 3
PRESET
S709 S708
2 1
R708
S707 S706
R707
R706
R705
TUNE/SCAN TUNE/SCAN
TIME SET + TIME SET –
R701
R715
ALARM ALARM ALARM
TRACK/STATION MODE TIME
11 11
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