Schematic Diagram - Lcd/Key Section - Sony ZS-X1 Service Manual

ZS-X1
Ver 1.1
6-15. SCHEMATIC DIAGRAM – LCD/KEY Section –
S401
R401
220
S402
R402
470
R403 S403
1k
R404
(Page 29) S404
1k
R405 S405
2.2k
R406
1k
S406
R407
2.2k
R408
2.2k
R409
4.7k
LCD401
R434
10k
R435
10k
CN403
2P
PUSH
CN404 CN402
2P 2P
POWER (US, CND, SP, KR, AUS)
(AEP, UK, IT, EE)
OPERATE
R419
220
BAND
R420
AUTO PRESET
470
R410 R411 R412
1k 1k 1k
R421
DISPLAY ENT 1k
MEMORY
R413 R414 R415 R417 R418
1k 1k 1k 1k 470 R422
1k
MEGA BASS
R423
2.2k
-
D401 D402
SLA-360LT3F SLR-342MG3F
VOLUME OPR/BATT ESP
R432 R424
220 1k
+
R416 R433 R425
220 220 2.2k
R426
2.2k
R427
4.7k
R428
10k
R429
10k
• Waveforms
– CD Board –
1 IC701 9 (FEO) (CD Play mode)
S801
OPEN/CLOSE
S407
S408
S409
PRESET -
2 IC701 uh (XI) (CD Play mode)
S410
PRESET +
S411
TUNE -
S412
TUNE +
S413
MODE
S414
ESP
59.1 ns
3 IC701 oh (TEO) (CD Play mode)
4 IC701 <z// (EQO) (CD Play mode)
30 30
– TUNER Board –
qa IC2 w; (XOUT)
Approx.
220 mVp-p
1.4 Vp-p
13.3 µs
2.0 Vp-p
Approx.
290 mVp-p
1.4 Vp-p
– CONTROL Board –
6 IC802 ua (XT2)
3.5 Vp-p
30.5 µs
7 IC802 ug (X2) (CD Play mode)
3.5 Vp-p
238.6 ns