Schematic Diagram - Main Board (1/2) (Suffix-14) - Sony HCD-M90 Service Manual

HCD-M90
6-36. SCHEMATIC DIAGRAM – MAIN Board (1/2) (Suffix-14) – •
Q Q
3 7 6 3 1 5 1 5 0
SJ302
2P
L
AUDIO IN
MD(VIDEO)
R
(Page 61)
TU1
SUPPLIED WITH
THE ASSEMBLED
BLOCK
T E
L 1 3 9 4 2 2 9 6 5 1 3
(AEP,UK)
FM 75Ω
FM 75Ω
ANTENNA
(EXCEPT AEP,UK)
AM
(Page 71)
w w w
See page 82 for Waveforms.
(1/2)
C170,270
∗
0.022 (EXCEPT SP)
R114 0.01 (SP)
47k
R214
47k
R113 R213
4.7k 4.7k
CN301
17P
SOL 12V
END_SW
END SW
PLAY_SW
PLAY-SW
B+3.3V
MO +12V
TC_SW
TC-SW
R320 330k
MO GND
TCOUT_L
L-OUT
+8.0V
TCREC_L
REC IN-L
A-GND
LINE_MUTE
LINE MUTE
REC/PB
REC/PB
TCOUT_R
R-OUT
REC
REC IN-R
REC_MUTE
REC-MUTE
ALC_CON
ALC CONT
C215
4.7
50V
R215
0
BB1
C211 R203
1 10k TU_R
C111 R103
1 10k TU_L
AA1
AA2
AA3
AA4
R180
4.7k
AA5
C372
100p
CN302
25P
JR307 0 AA2
ST-DIN
JR308 0 AA5
ST-CE
AA3
ST-CLK
AA4
ST-DOUT
AA1
TUNED
BB2
RDS-IN
BB3
RDS-DATA
MD_R
R-OUT
MD_L
L-OUT
TU ON
TU-ON
L304 4.7µH
D.GND
P.GND
DC DET
STK_MUTE
BACKUP4.0V
A-GND
STBY_RELAY
CD8V
VOL-SCK
VOL-SCK
CD 5V
VOL-SDA
VOL-SDA
AC DET
x a o
y
STK_POWER
FAN_CON
D/DCON CONTROL
. i
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•
See page 85 for IC Block Diagrams.
JR304
0
C163
4.7
R106
R105 R101 16V
1k R115
3.3k 4.7k C115
0
4.7
50V
JR311
JR101
0
0
C114
4.7 R118
R107
50V 1k
6.8k
C302
1000p
C101
C348
4.7
100p
50V
INPUT SELECT
SWITCH,
ELECTRICAL
VOLUME,
TONE CONTROL
IC323 R304
LC75342
R350
D309
MTZJ-T-77
-7.5C
R218
1k
JR201
0
R201 R207
4.7k 6.8k
Q Q
R205 C263
3.3k 4.7 3 7 6
16V
JR312
0
JR301
0
Q341 Q342
2SA950-Y-TPE2 2SA950-Y-TPE2
Q341,343 Q342,344
R280 D302
CAPSTAN/REEL 2.2k TRIGGER 11ES2-TA1B
MOTOR DRIVE PLUNGER DRIVE
Q343 Q344
SRC1202S SRC1202S
M_CON S_CON
R317
47k
R318
47k
R339
47k
(AEP,UK)
DC DET
STK_MUTE
B/UP
STBY_RELAY
AC DET
u 1 6 3
STK_POWER
D/D CONTROL
.
64 64
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2 4
8 9 9
C131 C376 R222
R123 R122
4.7 100 10k
10k 10k
16V 16V
C150 C250
4.7 4.7
16V 16V
R130 R121 R221
4.7k 2.2k 2.2k
R120
220k
C231
R220
4.7
220k
16V
HEADPHONE AMP
IC324
NJM3414A
R230
4.7k
GND
C130
100p
R131 C230
47k 100p
R331
R231
10k
47k
VCC
100
D312
1SS133T
4.7k
Q330
SRC1202S
POWER ON C304 C326
100 10
MUTING
16V 10V
3 1 5 1 5 0 8 9 2
Q301
KTC3205
+9.5V REGULATOR
R310
100
JW302
33µH
R371 R375 C381
4.7k 47k 330p
Q302 R373
2SC2412K 1k
DET AMP
RDS DECODER
IC326
BU1924F
R372 R374 R376
470k 100k 68k
T2 CMP
C380 T1 VSS3
0.1
VSS2 VSS1
C382
0.01
C385 VDD2 VDD1
R377 47
C384
470 16V
51p
X1 MUX
C383
56p
XO VREF
m
X301
4.332MHz
NC RDATA
D320 RCLK QUAL
c o
MTZJ-T-77
-4.3B
(AEP,UK) JR313 0 (US,CND,SP,AUS)
BB1 BB2
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER (FM/AM)
2
8 9 9
C260
10 R260
10V 47
A1
A2
C160 R160
10 47
10V
A5
A6
A7
A10
4 9 8 2 9 9
A13
Q303
SRA2202S
(Page 65)
Q303,304
TUNER ON
SWITCH
Q304
SRC1202S
TU ON
A16
A17
C386
560p
C387 4.7 50V
JR309
0
BB3
A18
A19
( ) : DVD/CD PLAY
〈〈 〉〉 : TAPE PLAY