Sony Walkman D-FS601, Service Manual, Page: 13 / 38

13 13
D-FS601
– TUNER Section –
• Signal Path
: FM
B.P.F
FM RF
L1
TV/FM OSC
L12
ANTENNA
AM FERRITE-BAR
L3
AM OSC
L4
CONVERTER
DC/DC
T81,Q86
D1
2 FMRFIN
L-OUT
10
IF/RF AMP
IC1
FM /AM
450kHz
CF1
16
R-OUT 15
FM-IFIN
2 1
LINE AMP
IC71
X61
75kHz
IC61
DTS
µ
COM
FM
LOCAL/DX
Q3
24 FM/TVOSC
25 AMOSC
12 DETOUT
FM-MIX 4 8
10.7MHz
CF2,3
AM IFIN
MODE-1 21
QUAD 11
10.7MHz
CF1
62
TUMUTE-O
FMRFOUT 29
BAND CTRL1-O
59 BAND
CONTROL
BAND
CONTROL
Q6
Q7
MODE-2 22
+B SWITCH
Q4,5
V IN
6 7
BAND CTRL2-O 52
+B ON/OFF_O 60
MONO OR LOCAL-O-CTR 55
EO(D01)_O
65
XOUT 74
XIN 75
EEP DO/DI-IO 30
EEP SK-O 31
EEP CS-O 32
3 DI
4 DO
2 SK
1 CS
EEPROM
IC62
47 SDO-O-CDU
IC801(1/2)
SYSTEM CONTROL
46 SDI-I-CDU
48 SCK-I-CDU
54 ACK CD-O ACK_CD_WAKE_I
9
28 LCDREQ-I LCDREQ_O 39
39 CD ON_I CDON_O 72
73 RESET_I CD_RESET_TU-O 71
51
38
TU ON_O
TUON_I
34
AD_KEY 25
40 TUAVLS CTRL_O
58 XTUBASS1-O
56 TUBASS2-O
49 TUBEEP_O
44 HIDC-I
72
V IN
LOCAL/MONO-DET-I 25
+B SWITCH
Q8,9
1
4
5
20
COM0
COM3
S1
S16
FM ANT
TU-L
TU-R
TU MUTE
A
MAIN
SECTION
D
MAIN
SECTION
VDD
KEY
XTU AVLS
XTU BASS1
AD HI DC
VCPU
TU BASS2
TU BEEP
VIN
TU VCC
C
MAIN
SECTION
HOLD
D3
D2
1 TVRFIN
B.P.F
FL2
US
US
AMRFIN 27
FL1
AMB/P 28
AM-MIX 5
IFCOUNT 19
IF IN 64
OSCOUT 23
AM IN
71
Q60
Q62
REQSW 20
IFREQ-O 61
Q2
Q11
TV RF
L5
30 TVRFOUT
D5
+B SWITCH
Q10
LPF
Q84, 85
VCPU
TU +B
TU_POWERON_O 29
_I 27
PRESET-_I
26
AM STEP-I 21
FAV KEY_I 36
24 DEST0-I
23 DEST1-I
22 DEST2-I
VCPU
VERSION SETTING
ACK_CD_I
7
42 KEY_I
KEY_INTERRUPT_I 33
37 SC SEL_I SC_SEL_O 73
+1.6V
REG
2
3
IC81
45 AD DC REF
Q809
Q808
AD_FAV_KEY 23
TU HOLD_I
MSDTO
B
MAIN
SECTION
MSDTI
MSCK
29 XLID OPEN-I
OPEN
EXCEPT US
ON
10kHz
9kHz
OFF
S901
VCPU
VCPU
VCPU
VCPU
GL901
LIQUD
CRYSTAL
DISPLAY
LOCAL
DX
HOLD
S921-925
FUNCTION
KEY
S904, 905, 908-911
FUNCTION
KEY
FAV KEY
CD/TU KEY
LOCAL/DX
S903
S927
S902
STEP
PRESET –
S928