Block Diagram - Main Section - Sony HCD-VP100 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
5-2. BLOCK DIAGRAM – MAIN Section –
TU1
TUNER PACK
L-CH 1
R-CH 2
FM
FM ANT
75Ω
ANT GND
ANTENNA
ANT GND
AM AM ANT
TUNED 4
DI 9
CK 8
CE 10
DO 7
T E
L 1 3 9 4 2 2 9 6 5 1 3
SJ302
L
AUDIO IN
MD (VIDEO)
R R-CH
L-CH
REC/PB SWITCHING
IC402
(REC)
1
(PB)
3
HRPE901
(RECORD/PLAYBACK/ERASE)
2
R-CH R-CH
REC BIAS SWITCH
BIAS
OSC
T401
(ERASE)
BIAS OSC
Q401
CD L-CH
A
(Page 14)
S-DO
w w w
S-DI
S-CLK
E
(Page 14)
S-RST
S-REQ
S-ACK
.
R-CH
REC/PB AMP, EQ AMP
IC401
R-CH
B IN L
23 PB L
20
A IN L
24 REC
IN L
R-CH ALC 14
REC OUT L
16
MUTING
R-CH Q407
MUTING
Q414
(SW)
4
D401
R-CH
T403
BIAS
TRAP
B+
Q402, 403 (+8V)
x a o
y
i
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8
INPUT SELECT SWITCH,
MIX, TONE CONTROL,
ELECTRICAL VOLUME
IC323
LINE R-CH
MIC AMP
OUT2 VOL2
C2
6 31 30 TREBLE MIDDLE BASS
A2
2
LINE
D2
8
AMP LOGIC
E2
10
DATA CLK
14 15
88 23
2 TUNED
5 (TU-DATA)
AU-MUTE 97
8 (TU-CLK)
AMP-MUTE 22
(MIC CHECK) 24
19 (TU-CE)
TX 92
18 (TU-COUNT)
TEX 93
XTAL1 40
25 TU ON
Q Q
3 7 6 3
EXTAL1 39
12 (S-SI)
13 (S SO)
MOT-CON 4
SOL-CON 10
TAPE-END 1
96 L-MUTE
T-MODE 6
R-CH
87 REC-MUTE
TC SW 32
R-CH
95 REC/PB
SYSTEM CONTROLLER
IC801 (1/2)
11 86 14 100
u 1 6 3
.
LED DRIVE
Q854
15 15
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2 4
9 9 8
HEADPHONE AMP
IC324
11
OUT2
IN+
MOS GAIN &
17 3
LEVEL SHIFT
MUTING 4
ING STAGE
IN–
Q200
STANDBY/MUTE
R-CH
MUTE STBY
10 9
MUTING DRIVE
Q330
B+ (+8V)
R-CH
MUTING DRIVE
R-CH
Q312, 313
R-CH
MIC CONTROL
Q394 – 397
X802
1
32.768KHz
X801
4.19MHz
1 5 1 5 0 8 9 2 4
(TAPE DECK BLOCK)
CAPSTAN/REEL
M M
MOTOR DRIVE
Q601, 602
TRIGGER
PLUNGER DRIVE
Q603, 604
TAPE END DETECT
SENSOR
m
c o
D856, 857
TUNER
HCD-VP100
2
9 9
R-CH J301
PHONES
MUTING
SJ301
Q815, 817
SPEAKER
IMPEADANCE
USE 6 – 16Ω
MOS SHORT
OUT
+
OUTPUT CIRCUIT 14
STAGE PROTECTION
L
–
–
POWER AMP
R
IC201 +
R-CH
REG CON
B
(Page 16)
RV200
MIC VOL
J402
2 7 5
MIC IN
MIC AMP
IC325
9 8 2 9 9
• R-CH : R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: TUNER
: CD PLAY (ANALOG OUT)
: CD PLAY (OPTICAL OUT)
: TAPE (PLAY)
: TAPE (RECORD)
: MD
: MIC
REC/PB
D
(PAGE 16)