Schematic Diagram - Main (2/2)/Jack Boards - Sony HCD-M80 Service Manual

6-16. SCHEMATIC DIAGRAM – MAIN (2/2)/JACK Boards – •
(2/2)
D313
1SS133
Q312
SRA2202S
Q312,313
MUTING
CONTROL
R364
47 SWITCH
A1
A2
R305
A3
100
A5
A6
Q200
DTC343TK
MUTING
A7
Q100
DTC343TK
MUTING
R302
100k
(Page 30)
A10
A11
A13
Q309
STC352-OY
+3.3V REGULATOR
A16
A17
R341
470
C312 D310 C320 C327
C331
220 MTZJ-T-77 220 470
0.1
10V -3.9A 10V 16V
A18
A19
See page 40 for IC Block Diagrams.
R261
47
Q407 Q406 Q408
DTC343TK DTC343TK DTC343TK
MUTING MUTING MUTING
JR306
0
Q313
SRC1202S
R242
33k
C350 R240
C243
4.7 680 C242 R243
22
50V 470p 100k
50V
C241
47
50V C306
47
50V
C141 C307
47 100
50V 16V
C351
4.7 R140
50V 680
C143
R143
22
100k 1SS355TE-17
50V
R142
33k
POWER AMP
IC101
TDA7296
+8V REGULATOR
Q355
IC304 KTC2026
KIA7808API
+12V REGULATOR
O I JW312 JW379
G
R340
100
C322 C318
C321 C317 D311 C319
470 10
0.1 0.1 MTZJ-T-77-12B 0.1
16V 50V
R161
47
Q409
H/P_DETECT
DTC343TK
MUTING
R330
1k
KEY R383 220
JR305 0
POWER AMP
IC201
TDA7296
Q310,311
DC DETECT
DC DET
R309
1k
Q311
R323 R208 Q310
KTC3198GR
10k 68k KTC3198GR
STK_POWER -A
-A
R108
47k
C315 R313
100 47k
C308
10V
3300
35V C313
R308 JR303
100
100k 0
10V
C309
3300
R307
35V
10k
STK_MUTE
D317
L201
L101
AU_MUTE
C310
3300
25V
B/UP
STBY_RELAY
AC DET
D315
D/D CONTROL
1SS133
D316
1SS133
C369
2200p
END_SW
PLAY_SW
TC_SW
LINE_MUTE
REC/PB
REC_MUTE
ALC_CON
CD_ON
M_CON
+12V REGULATOR
IC305 S_CON
KIA7812API
SCE
I O
G H/P_DETECT
AU_MUTE
KEY
C303
1000
16V
31 31
JR532 L503 R591
CN304 CNP502 0 4.7µH 1k
8P 8P
H/P DET H/P DET
H/P LCH H/P LCH JR531 L501
C506
4.7µH
0
0.022
H/P RCH H/P RCH
GND GND JR530 0 L502 0.47µH
KEY3 KEY3
MIC MIC
GND GND
+12V +12V C557
R559 R571 JR501
100
1k 10k 0
10V
C558
R558
0.22
1k
50V
R556
4.7k
VSS
C561
2.2
MIC AMP
IC525 VCC
BA4558F-E2
C556
1 50V
R570
10k
R553 R551
C554
100
1
C559 50V
C553
10
1000p
16V
SJ301
4P
+
C244 C245 R244
R
0.1 0.1 4.7
-
SPEAKER
IMPEDANCE
USE 6-16Ω
-
C144 C145 R144
L
0.1 0.1 4.7
+
CNP101
11P
-22.5V
R1-GND
+22.5V
R2-GND
+14.2V
COM 8V
BACKUP4V
RELAY ON
(Page 37)
AC DET
DVD POWER CONT
FAN CONTROL
CN303
17P
END SW
PLAY SW
TC SW
LINE MUTE
REC/PB
REC MUTE
ALC CON
CD ON
+8V
D-GND
MOT CON
(Page 33)
P-GND
SOL CON
VOL-CE
H/P DETECT
AU MUTE
KEY0
TH1
(CHASSIS) • Voltages and waveforms are dc with respect to ground
TH2
under no-signal (detuned) conditions.
no mark : TUNER (FM/AM)
(CHASSIS)
( ) : CD PLAY
HCD-M80
J501
PHONES
D520 1SS355TE-17
C505
0.022
D521 1SS355TE-17
LGP1
S594 (CHASSIS)
PLAY MODE
TUNING MODE
S593
REPEAT R593
680
FM MODE
S590 R590
470
CD SYNCHRO
S587 R587
330
DIRECTION
RV500
20k
MIC LEVEL
J502
R552 C555
MIC
1k 2.2k 100p