Schematic Diagram - Main (2/2)/Jack Boards - Sony HCD-M70 Service Manual

6-10. SCHEMATIC DIAGRAM – MAIN (2/2)/JACK Boards – •
(2/2)
A1
A2
A5
A6
A7
(Page 22)
A10
A11
A13
A16
A17
Q309
STC352-OY
+5V REGULATOR
R341
100
C312 D310 C320
C331
220 MTZJ-T-77 220
0.1
10V -5.6B 10V
A18
A19
See page 32 for IC Block Diagrams.
R261
47
Q407 Q406
DTC343TK DTC343TK
MUTING MUTING
Q313
SRC1202S
Q312
Q312,313
SRA2202S
MUTING
CONTROL
SWITCH
R364
47
R242
22k
R305
100
C350 R240
C243
4.7 560 C242 R243
22
50V 470p 100k
50V
C241
Q200
47
DTC343TK
50V
MUTING
C141
47
50V
C351
4.7 R140
50V 560
C143
Q100 R143
22
DTC343TK 100k
50V
MUTING
R142
22k
+8V REGULATOR
Q355
IC304 KTC2026
KIA7808API
+12V REGULATOR
O I
G
R340
100
C327 C322 C318
C321 C317 C319
470 470 10
0.1 0.1 0.1
16V 16V 50V
R161
47
R330
1k
H/P_DETECT
Q408 Q409
DTC343TK DTC343TK
MUTING MUTING
KEY R383 4.7k
POWER AMP
IC201
TDA7296
DC DET
R309
1k
R323 JR310 R208
10k 0 68k
STK_POWER
R108
47k
C315
100
C309
10V
3300
C306 35V C313
TH1
10 100
50V 10V
C307
4.7 C308
TH2 L201
50V 3300
35V
R307
10k
STK_MUTE
C335
1000p
POWER AMP
C316
10000p
IC101
TDA7296
AU_MUTE
C310
3300
25V
B/UP
STBY_RELAY
END_SW
PLAY_SW
TC_SW
LINE_MUTE
REC/PB
REC_MUTE
ALC_CON
CD_ON
M_CON
S_CON
SCE
H/P_DETECT
AU_MUTE
KEY
23 23
CN304 CNP602
5P 5P R591
1k
H/P CHECK H/P CHECK
L-OUT L-OUT
JR511 0 L101 4.7µH
R-OUT R-OUT JR510 0 L201 4.7µH
GND GND FB803
KEY KEY
S819 L202
PLAY MODE 0.47µH
TUNING MODE
JC306
0
S816 R593
REPEAT
47k
FM MODE
S810 R590
22k
CD SYNCHRO
S814 R587
Q310,311
10k
DC DETECT
DIRECTION
Q310 Q311
KTC3198GR-A KTC3198GR-A
R313
47k
JR303
0
C244 C245 R244
SJ301
0.1 0.1 4.7
4P
+
R
-
SPEAKER
IMPEDANCE
L101
USE 6-16 Ω
-
C144 C145 R144
L
0.1 0.1 4.7
+
TH1
(CHASSIS)
C371 C334
1000p 1000p (CHASSIS)
TH2 CNP101
9P
-16V(S1)
N.C
S1-GND
+16V(S1)
S2-GND
+14V(S2)
COM8V
(Page 31)
BACKUP5V
RELAY-ON
CN303
17P
END SW
PLAY SW
TC-SW
LINE.MUTE
REC/PB
REC.MUTE
ALC CON
CD-ON
+8V
D-GND
MOT-CON
(Page 27)
P-GND
SOL-CON
VOL-CE
H/P DETECT
AU MUTE
KEY-0
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER (FM/AM)
HCD-M70
J301
PHONES
D821
1SS1355TE-17
(CHASSIS)
D820
1SS1355TE-17
AEP,UK,SP,
KR,TH,AUS
(US,CND,MX)
C801
0.022
(CHASSIS)