Schematic Diagram - Main Section - Sony HCD-HP7 Service Manual

HCD-HP7
8-7. Schematic Diagram — Main Section —
• See page 41 for IC Block Diagrams. • See page 27 for Waveforms.
ANTENNA
FM75Ω
COAXIAL
AM
JK301
L
MD IN
R
IC301
SOUND
PROCESSOR
0.015
3.7
HEAD
IC201
(REC/PB/ERASE)
0
L-CH
PB/REC EQ AMP
0
REC/PB
R-CH
EH
0.6
ERASE
0 0
0.7 0.7
0.015
0
0
0
0
Q201-204
SWITCH
0
0
9.9
9.9
9.2
SWITCH
0.015
0
0.7
SWITCH
MAIN BOARD
CN101
*
15P:AEP,UK
11P:EXCEPT AEP,UK
*
AEP,UK
R101,102
*
47K:AEP,UK
100K:EXCEPT AEP,UK
4.7
DBFB
4.3
4.6
0.0027
4.6 4.7
4.6
0.047
4.6
4.2
IC403
DBFB
4.7
+10V REG
TA7810S
10
0.047
4.7K
1000
0
0.1
0
MUTE
0
TA7810S
0.1
10
0
1.3
MUTE
C422
0.1u
7.5
0
IC401
+10V REG
2.5
0
0
0.6
0.047
SWITCH
0.0022
0.0022
7
0.0022
SWITCH
0
9.9
25V
0 16V
9.9
BIAS OSC
0
0 9.9
0
0.0047
0.015 0.015 -VFL REG
BIAS
-27
UDZSTE-
175.6B
0 0
9P
IC302
I/O EXPANDER
0.022
IC402
UPC3504AHF
9.2 4 +4V REG
RELAY DRIVE
C423
9.2 9.2
0.1u
8.4
0
0.7
POWER CONTROL
1/2W
1/2W
37P
TO
G
PWR TRANS
BOARD
TO
CN907 (Page 38)
PANEL
E
BOARD
CN601 (Page 36)
34 34
TO
B
CONNECTOR BOARD
CN701
(Page 32)
27P
9P
C
TO
PANEL
BOARD
CN602
(Page 36)
0 0 0
2SD1306NETL
0.7
9.9
9.9
9.2
0.7
2SD1306NETL
0.7
Q304,305
Q306,307
MUTE
MUTE
CONT
Q406,407
T SOL DRIIVE
10
10
0
10
10
Q408,409
10
MOTOR
0
DRIVE
4P
13P
TO TO
F D
PWR AMP PANEL
BOARD BOARD
CN501 (Page 38) CN603 (Page 36)
19P
A
TO
BD
BOARD
CN710
(Page 30 )
PH301
TOTX141
0.1
3.9
CD
DIGITAL OUT
(OPTICAL)
0
10
0
TAPE
MECHANISM
0
DECK
8P
0
No mark:FM