Block Diagram - Tuner/Tape Deck Section - Sony HCD-NXM1 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
7-3. BLOCK DIAGRAM – TUNER/TAPE DECK SECTION –
CN371
L OUT
CD SERVO
B R-CH
R OUT
SECTION
(Page 22)
IC301
DIGITAL
D OUT
OUT
TUNER
L OUT
R OUT
R-CH
AEP,UK RDS DATA
RDS INT
ST-MUTE
TUNER
ST-CE
ST D OUT
ST D IN
ST CLK
STEREO
L
VIDEO(MD)
R
R-CH
T E
DECK-A
L 1 3 9 4 2 2 9 6 5 1 3
HP2 L
HP1 R
R-CH
DECK-B
HRP2 L
Q303 Q301,302
R-CH
HRP1 R
Q314,315 Q311-313
REC/PB REC/PB
SWITCH SWITCH
Q318
T301
BIAS
HE
OSC
Q316,317
BIAS
SWITCH
TAPE
MECHANISM DECK
B PLAY
B PLAY
A PLAY
A PLAY
A HALF
A HALF
B SHUT
R-REC
B HALF
Q326,327
F REC
CAP M
A SHUT
DRIVE
CAPM+
A TRIG+
B TRIG+
w w w
HCD-CP555/NXM1
64
Q25,26 63
SELECTOR
Q270
MUTE
62
SWITCH
71
68 67 66 65
70
Q103
Q29,30
PB MUTE
61
27
AEP,UK
49
18
50
51
52
53
54
55
Q104
Q31,22
TC REC
63
MUTE
REC/PB
60 TC REC/PB
BIAS
59 BIAS
90
91
89
Q323,324
A TRIG
86
DRIVE
Q321,322
B TRIG
87
DRIVE
88
x a o
y
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IC101
INPUT SELECT SWITCH
ELECTRICAL VOLUMEI
MD BUS TRE
TONE
SURR
S2
R-CH
DPL-2 MCU
AMS
R-CH
I/F
EQ
CLK DATA
7 8 11 53 51 50 48 34
CLK DATA
Q341-343
AMS
BUFFER
Q140
Q33,34
AMS
MUTE
IC951
I/O EXPANDER
18 AMS-MUTE
5
STEREO
IC401 (1/2)
SYSTEM CONTROL
LINE MUTE AMS IN 100
VACS IN 97
A MUTE
SPEC-IN 92
10 B PLAY
D182
11 A PLAY
Q Q
3 12 7 A HALF 6
RDS-DATA
DATA
RDS-INT
M16537 DATA 80
CLK
ST-MUTE
M16537 CLK 81
TUNED
ST-CE
ST-DOUT
66 3 CLK
I/O EXP CLK
ST-DIN
I/O EXP LAT 67 4 LATCH
ST-CLK
68 26 DI 1
I/O EXP DATYA IN
I/O EXP DATA OUT 69 25 DO 2
TC REC MUTE
B SHUT
B HALF
56
TA MUTE
A SHUT
57
STK-MUTE
CAPM-CNT1
STBY RELAY 65 ON/OFF
A TRIG
(SWITCHING REGULATOR)
B TRIG
FDRONT RELAY 58
u 1 6 3
23 23
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8 9 2 4 9
FL
42 41 37
Q21,22
Q1
MUTE
SWITCH
35
PROTECT 8
9
HP IN
Q1026
LED
HALF PLAY 17 VCC
SWITCH
D1021
AMS MUTE 18
3 1 5 1 5 0 8 9
DISC1 19
Q1001-1005
DISC2 20
LED
LED 9V
DISC3 21
SWITCH
DISC4 22
D1001-1005
DISC5 23
FAN 24
m
c o
.
HCD-CP555/NXM1
8 2 9 9
CN102
L-CH FRONT AMP
C
SECTION
R-CH
(Page 25)
CN103
PROTECT
STK-MUTE
FRONT RELAY FRONT AMP
E
SECTION
HP SW
(Page 25)
FAN CTL
Q906
REG
D+3.3V 3 1
SWITCHING
IC903
REGULATOR
3 REG 1 UNREG+5V
CD+3.3V
IC901
AUDIO+9V 3 REG 1 UNREG+12V
2 4 9 8 2 9 9
IC902
M+9V
3 REG 1
LED9V
• R-ch is omitted due to same as L-ch.
• Signal path
K : TUNER (FM/AM)
E
: PLAYBACK (DECK A)
d : PLAYBACK (DECK B)
G
: RECORD
J : CD PLAY (ANALOG)
c : CD PLAY (DIGITAL)