Sony SEQ-H3800 - Section 4 Diagrams; System Block Diagram Overview

SECTION 4
DIAGRAMS
4-1. BLOCK DIAGRAM
J502 nice
| Ot
R
1C501
INPUT SELECT
|
|
i
:
i
L
|
(QH
=.
INPUT MD/DAT o i
R1| OW
as
1C551(1/2)
J501(1/2)
|
O
EQUAL
|
ZER
1]
ae
~
1C551(1/72)
a.
EQUALIZER
AMP
AU BUS | (13)
L-OUT
eNO (2/2) Si@ eee
= |Sok—
L-REC OUT j (7)
ANALOG BUS L
ANALOG BUS R
MIC IN
1C502( 1/2)
MUTE
J501 (2/2) | a
OUTPUT-—— | MD/DAT 1 1
sy OH
43) A~SEL1
(J—orr
03
4) A~SELO
1C 102
K-PON SWITCH
1C301 1C420 1C460
GRAPH!C EQUAL! ZER G. EQ. DRIVE A/D CONVERTER
N-INV L IN VO 63 A INI
INV VO 160 IN2 DO
1N1 R IN vO 400 A IN3 SARS —
IN4
INS
IN6
IN7
INO
1C430
KEY SELECT
SWITCH
Ic102(1/72) |
SURROUND SWITCH
1C103(1/2)
L&R MIX AMP
GRAPHIC EQUAL! ZER
R CH
Q401,451 |
MUTE
SWITCH
[C601
SYSTEM CONTROL
CLK
Q460
| MUTING
| CONTROL |
1C201
DIGITAL DELAY
(39) LPFI IN
SURROUND |
MIX AMP
| 1c203(1/2)
INVERT AMP
OP2 OUT (G3)
[1205
| SURROUND
MIX AMP
SURROUND SWITCH
a 1C621
TIME COUNTER
X620
32. 768KHz
A POWER
601
AUB BUFFER
+5V
D601
Q630
RESET
Q902,905
POWER
ON/OFF
SWITCH
RESET
(8) RESET
(15) (6) OUT
+5V
Peel
[ "FUNCTION LED |
| D701~-706,710
| $736,.737.757,758
I
!
1
M4
1
' &
i
{
bos Sele ee eh
1°2°24-21+17+15-11
QA,B,QC-OF -QJ+QL-a0
1C701
LED DRIVE
KEY 1
!
!
t
i
I
i
1
i
1
|
i
J
i
+5V
D+5V
“FUNCTION KEY. =
$730-733
$736-740
$752-754
$756-760
— D903 R921
VA:+30V) = , ‘ HALA
( ) =e ee $e} — :
D90 1-904
BALANCE (1)
CL,CLK,LE
1C901
+10V TRACKING REG
V+5V/D+5V
[C903
+5V REG
$33-S35
$33-S35
F D905,906
1C702
FL DRIVE
Gi-G15,B11-B8
60-46-44—41
B7 B8-B11,G15-G1
FL701
FLUORESENT
INDICATOR TUBE
$32-S16
$32-S16
10703
FL DRIVE
CN501(1/2)
SYSTEM
CONTROL
T901
POWER TRANSFORMER
3
F905 ,904
2,0A
VFI
VF2 *
SEQ-H3800
CN909
AC
OUTLET
450W MAX
CNS01