34
34
HCD-HP7
8-7. Schematic Diagram — Main Section —
• See page 41 for IC Block Diagrams. • See page 27 for Waveforms.
4.7
4.7
4.6
4.6
4.6
4.7
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.7
4.6
4.7
0
4.7
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.7
4.7
4.6
9.2
0.1
0.7
0
0.7
9.2
0.7
0.7
0.7
0.7
9.9
0
0
0.1
10
4
4.2
8.4
-37.5
-27
0
9.9
0
4.7
4.6
4.3
-26.5
0
0
0
0
0
7.5
1.3
0
2.5
9.2
0
9.9
0.6
4.7
9.2
0
0
0
0
9.9
0
9.9
0
0.1
0
0
0
0
9.2
15.6
10
16.6
4.6
0.6
0.5
0.5
0.6
3.0
3.0
3.7
3.7
3.7
0.6
3.7
3.7
3.7
0.6
0
0
3.0
3.0
3.8
3.8
3.8
3.2
0.1
3.3
3.2
3.2
3.3
3.3
3.3
3.3
0
0
0
0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0
0.7
0.2
0.7
0
0.7
9.9
9.2
9.9
0.1
3.9
10
10
10
10
10
10
0
0
0
0
No mark:FM
0
HEAD
R-CH
EH
REC/PB
L-CH
ERASE
(REC/PB/ERASE)
JK301
MD IN
R
L
IC301
IC401
SOUND
PROCESSOR
+10V REG
IC402
+4V REG
IC403
+10V REG
IC302
PH301
I/O EXPANDER
ANTENNA
AM
CN101
*
*
15P:AEP,UK
11P:EXCEPT AEP,UK
R101,102
*
47K:AEP,UK
AEP,UK
DBFB
DBFB
MUTE
MUTE
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
Q201-204
BIAS
-VFL REG
POWER CONTROL
RELAY DRIVE
Q304,305
MUTE
Q306,307
MUTE
Q406,407
T SOL DRIIVE
CONT
Q408,409
MOTOR
DRIVE
BIAS OSC
AEP,UK
100K:EXCEPT AEP,UK
FM75
Ω
COAXIAL
TOTX141
8P
CD
DIGITAL OUT
(OPTICAL)
TAPE
MECHANISM
DECK
0
0
MAIN BOARD
0.015
0.015
0.015
0.0022
0.047
4.7K
0.022
TA7810S
1000
TA7810S
UPC3504AHF
0
0.01
0.01
0.0027
0.047
0.047
0.047
0.082
0.022
0.022
0.082
1K
470P
0.0027(M)
0.022
0.022
0.0022
0.047
0.015
0.015
0.0047
0.0022
0.0022
37P
9P
0
4P
13P
0
0
0
0
19P
9P
27P
16V
1/2W
UDZSTE-
175.6B
UDZSTE-
1727B
1/2W
25V
C422
0.1u
C423
0.1u
C420
1K
1000P
2SD1306NETL
2SD1306NETL
0.1
