Schematic Diagram - Main Section (1/3) - Sony HCD-HX50BTR Service Manual

6-15. SCHEMATIC DIAGRAM - MAIN Section (1/3) -

(1/3)
CN507
3P
KEY2
KEY3
DGND
(Page 41)
CN502
15P
BT LED
LED STANDBY
L502
EVER+3.3V
SIRCS
DGND
VOLUME JOG
KEY1
VFD RESET
VFD SD
VFD CS
(Page 41)
VFD SCLK
VFD PWR ON
R519 1
VFD +7V
VFD +12V
L511
VFD DGND
∗ R497
220 (HX50BTR:RU)
470 (HX50BTR:E51,MX,AR)
4.7k
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
• See page 28 for Waveforms.
R426
R491
100k
47k
R490 Q326
1M 2SC3052F
C390
68
1 R492 Q390
2.2M 2SC3052F
R390
67
1k
63
60
4
65
66
59
58
57
56
55
HX50BTR:CND,E51,RU,
MX,BR,SP,AR,KR
R381
1k
81
ST CLK
R483
R382 1k
82
1k ST DATA
83 IN/STEREO
R484 RDS DATA
84 R384 1k
10k
DMPORT DET
R485
85 R385 1k
10k
AUDIO IN DET
R486
86 R386 1k
10k
HP DET
87
HP MUTE
88
BT AUDIO OUT MUTE
89
TA LINE-MUTE
STBY-RELAY
R391 10k
91
DMPORT POWER
92
USB POWER
93
CD ON
R394 100
94
CD XRST
R395 1k
95
CD DRIVER MUTE
AVss
R397
SPEC-N
4.7k
C398 1
VREF
R497
AVcc
∗
100
CD
BUS3
R400
100
L399
0
R304
1k
4
R303
R301
100
100
R302 100 R305 100
C304
1000p
1k (HX50BTR:CND,BR) HX50BTR:CND,E51,RU,
HX50BTR:AEP/ MX,BR,SP,AR,KR
HX70BTR/HX80R/
HX90BTR
• See page 50 for IC Pin Function Description.
Q326,390
SHUT DOWN
CONTROL SWITCH
R468 R467
10k 10k
R466
10k
MC2836
R452
10k
C465
0.01
C362
1
POWER
RESET
DAB
RXD_IN
DAB TXD_OUT
PULL UP
BT AV ROLE
S-MASTER INIT
S-MASTER NSP MUTE
SYSTEM CONTROLLER S-MASTER LATCH
IC301
PULL DOWN
R5F3640DDFAR (HX50BTR/HX70BTR/HX80R)
S-MASTER SHIFT
R5F3640MDFAR (HX90BTR)
S-MASTER DATA
USB RTS
S-MASTER RST
USB RXD IN
USB TXD OUT
BT RTS
BT CTS
BT RXD_IN
BT TXD
_OUT
7
R430
4.7k
X302 5MHz
R418 C326
1k 0.01
R309
C310 C311
10k
18p 22p
R412
10k
R420
IC401
Q312 10k
PST3628NR
2SC3052F
RESET SWITCH
C320
R401
0.1
47k
D402
R402 C420
1SS355W
47k 0.1
C312
0.1
C401
0.1
R316 47k
RESET SIGNAL GENERATOR
31 31
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
A1
A2
D401
A3
C301
0.22F
R451
5.5V
10k
L301
L362
R447 R448
1k 1k
(HX50BTR/HX70BTR)
BT
50
49
BT
48
47
R446 10k
45
R344 100
44
R343 100
43
R342 100
42
R341 10k
R340 100
40
R339 100
39
R338 100
38
R337 100
37
R336 100
36
R335 100
35
R334 100
34
R333 100
33
R332 100
32
R331 100
31
C1
Q399
ISA1235AC1TP-1EF
C402
0.1
R416 R399
2.2k 100k
Q316
Q316,399
RT1N441C
B+ SWITCH
C2
C3
C4
C5
C6
Ver. 1.1
(Page 32)
(Page 33)