Schematic Diagram - Main Board (6/7) - Sony D-NF400 Service Manual

D-NF400/NF401
6-9. SCHEMATIC DIAGRAM – MAIN Board (6/7) – •
Q Q
3 7 6 3 1 5 1 5 0
(6/7)
C72 R71
0.01 100k
T E
L 1 3 9 4 2 2 9 6 5 1 3
R72
Q71
470
2SC3931-C-TX
SWITCH
C74
0.01
R70 C65 C64
0 0.47 10p
C66
1
C70
0.01
J1
w w w R55
∗
47k (NF400:AEP,UK,EE)
(Page 19) 100k (NF400:US,CND,E13/NF401:E13)
220k (NF400:AUS)
1M (NF401:E92,MX)
∗ R56
47k (NF401:E92,MX)
100k (NF400:AUS)
220k (NF400:AEP,UK,EE)
See page 14 for Waveform. • See page 29 for IC Pin Function Description.
R40
10k
Q41
2SA1577-T106
B+ SWITCH
DTC144TUA
B+ SWITCH
TAP60
R49
100k
R73
1k R61
C56 10k
0.01
C170
1000p
C69
C71 C54 VDR1 C62
22
0.1 0.1 220K 1000p
6.3V
C158 C63
5p 22p
L62 X61
75KHz
∗ R53
100k (NF400:AEP,UK,EE,E13/NF401:E13)
220k (NF400:AUS/NF401:E92,MX)
(EXCEPT NF400:US,CND) (NF400:AUS)
R53 R54
∗ 220k
x a o
y
(EXCEPT NF400:US,CND,E13/NF401:E13)
. i
R55 R56
∗ ∗
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(Page 17)
C58 C59
C53
10 10
C168 C167 1
6.3V 6.3V
1000p 1000p
R47 R48
4.7k 10k
C50
0.1
Q40
R51
10k
R52
1k
Q Q
3 7 6
IF-REQ_O TU-AVLS_O
TU-MUTE_O CD-ON_I
TEST TU-ON_O
IF_I KEY2
ED(D01)_O AD-KEY3_I
NC(D02) DEST
HOLD_I RM-KEY_I
NC(OT1) XL/_I
GND EEP-CS_O
NC(FM_I) EEP-SK_O
TV/FM/AM_I EEP DO/DI_IO
VDD(1.8-2.2V) DTS MICRO CONTROLLER XLID-OPEN_I
IC3
RESET_I LCD-REQ_I
TC9327AF-04CDW
X_O CS_O
X_I AO_O
VXT DESTVSS_O
XLCD MODEL2
C1 RE1
C2 RE2
VEE MODEL1
u 1 6 3
.
20 20
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2 4
8 9 9
VOL_CTRL
TU_BASS2
TU_BASS1
TU_MUTE
R50
10k
HOLD TU_BEEP
AD_KEY1
TU_DCINMNT
BATMNT
DTS_SDTO
DTS_SI<AD7>
DTS_CK
ACKCD
3 1 5 1 5 0 8 9 2
TU_ON
CD_ON
LCD_REQ
R42
470
CD_ON DTS_RST
TU_ON AD_KEY2
R43 1k AD_KEY2 AD_KEY1
OPEN
HOLD
R76 470k
R75 470k
OPEN
LCD_REQ
LCD_CS
A-0
AD6
A-0
LCD_CS
R63
100k
R62
100k
m
c o
EEPROM
IC62
AK93C55AV-L
CS VCC
SK PE
C92
1
DI NC
DO GND
2
8 9 9
L1
L2
L3
(Page 21)
VOL_CTRL
TU_BASS2
TU_BASS1
TU_MUTE
TU_BEEP (Page 16)
TU_DCINMNT
BATMNT
(Page 18)
DTS_SDTO
DTS_SI<AD7>
DTS_CK
4 9 8 2 9 9
ACKCD
TU_ON
CD_ON
LCD_REQ
DTS_RST
(Page 19)
AD_KEY2
AD_KEY1
OPEN
HOLD
AD6
A-0
LCD_CS
(Page 19)