Sony CMT-HX3 Service Manual page 36

HCD-HX3/HX5/HX7
6-16. SCHEMATIC DIAGRAM – MAIN Section (2/3) –
(2/3)
EP301
(CHASSIS)
(HX7)
CN314
15P
RST#
ERR-IRQ#(NC)
CMD-SEL(NC)
DGND
XM 5.4V
DGND
SC-D-IN SCDIN
SC-D-OUT SCDOUT
XM +5V
(Page
XM 5V POWER
31) XM +3.3V
+9V
R-OUT
AGND
L-OUT
(HX5/HX7)
R250 R249
Q324
22k 470
RT1N141C
R248
10k
R251
1k
Q302
2SC3052F
Q302,323,324
B+ SWITCH
Q323
KTA1271Y-AT
CN309
15P
BT_AV_ROLE
BT_CTS
BT_RXD
BT_RTS
BT_TXD
BT_RESET
DGND
DVDD5
AVDD5
AOUTL R105 4.7k R106 47k
(Page
AGND
29)
AOUTR R205 4.7k R206 47k
AINR
AGND R233 4.7k
R232 R231 C248
4.7k 2.2k 1 50V
AINL R133 4.7k
R132 R131 C148
4.7k 2.2k 1 50V
CN310
19P
/OTW
OVF
(HX3/HX7) PGMUTE
SOFTMUTE
/RST
DGND
/SD
SCDT
(Page 37) SCSHIFT
SCLATCH
DGND
NSPMUTE
INIT
D+3.3V D203 1N4002-B5
L-IN
(Page 39) AGND
R-IN
(HX5) AGND
A+5V
A1
A2
A3
A4
A5
(Page 33)
HCD-HX3/HX5/HX7
See page 46 for IC Block Diagrams.
R122
10k
91
+5V REGULATOR Q308
RT1N141C
IC308
MM1615ANLE INVERTER
Q309
RT1N141C
INVERTER
92 C318
0.01
Q311
RT1N141C
INVERTER
C319
220
10V
65
JR115 (HX3/HX5)
0
X1
X
Q314,315
60
B+ SWITCH
61
31
34
32
63
D216
MC2838
AOUTL
R416
1k
AOUTR
Y1
Y
JR116
0 (HX3/HX5)
47
7
45
(HX3)
JR112
0
44
43 LIN
42
33
(HX5/HX7)
40
OUTPUT SELECTOR
39
(HX3)
IC310
MC14052BD
JR101
0
LIN
Y0 VCC
Y2 X2
Y X1
C247
Y3 X
1 50V
Y1 X0
INH X3
VEE A
R226
100k
GND B
R228
100k
RIN
R431
2.2k
R428 R413
4.7k 10k
R121
10k
DATA BUS SWITCH
IC318
TC74HC4066AFT
Q320
RT1N141C
INVERTER
R221
10k
C365 R426
0.1 4.7k
R120
2.2k
R124 100k
C113
1 50V
R119 100k
R129 100k
Q314
2SA1235
C368
100
INPUT SELECTOR
16V
R427 IC303
R425 10k MC14052BD
1k R220
2.2k
Q315
RT1N141C
C213
1 50V
R219 100k
R229 100k
R224 100k
C214 1 50V
IC315
R109 RT3C55M
10k
MUTING
E1 C2
B1 B2
C1 E2
R110
10k
R210
10k
Q304
RT1P141C
C147 R209
1 10k
50V
Q303,304
MUTING CONTROL
SWITCH
Q303
RT1N141C
R123
10k
Q328
RT1N141C
C107 R111
R126 1 50V 1k INVERTER
100k
R128 100k
34 34
R356
C240
1
R355
R354
R359
R243
Q316,317
B+ SWITCH
R415
10k
LEVEL SHIFT R358
IC321
R357
TC7WT125FU(TE12R) Q316
2SA1235
R414
1k
R130
3.3k
Q317
RT1N141C
R230
3.3k
C114
1
50V
C321
0.1
+9V REGULATOR
IC305
C301
KIA7809API
2200
16V
O I
G
C308
C315 C302 D205
470
0.1 0.1 1N4002-B5
10V
D206
D209
1N4002-B5
1N4002-B5
(HX3:AEP/HX5:AEP,UK/HX7)
(HX3:CND/HX5:CND,AUS,KR) D207
1N4002-B5
IC306 IC307
+7V REGULATOR TA7807S TA7804LS
+4V REGULATOR
O I O I
G G
C304 C348 C307
C337
1 0.1 1 0.1
R421
IC316 100k
RT3C55M
MUTING
R117 C353
100k 0.01 R422
10k
E1 C2
B1 B2
R419
C1 E2
1
R118 R218 R217
1k 1k 100k R423
22k
R116
47
Q307
RT1P141C C112
220 Q305
10V R113 KTC3198GR
4.7k
RIPPLE FILTER
R115 22k
R435
22k
R112
R216 100k
47
C366
47
25V
R127 C363
22k 0.1
Q306
HEADPHONE AMP
RT1N141C
IC317 R114
NJM4580MD 2.2k
R214 C364
2.2k 220 10V
C212
220 C111
Q306,307
10V 220 10V
MUTING CONTROL
SWITCH
R212 100k
C207 R213 4.7k
R211 R215
1
1k 22k
50V
(HX7)
J301
8P
4.7k L-OUT SIRIUS
0 A-GND
10 SSP_D_IN
0 GND
2.2k SSP_D_OUT
100 PWR ENABLE
4.7k R-OUT
(CHASSIS)
+5.4V REGULATOR
IC309
KIA7805AIP
CN316
1
3P
O I
G
3
C360
220 D215 C359
10V 11EQS04 0.1
CN304
2P
11V
GND
(Page 45)
(HX3/HX5)
CN321
(Page 27)
2P(HX3)
4P(HX5)
+11V
GND
DVDD_5V
DGND
(HX5)
(HX7)
C4
C3
C1
C2
(Page 35)