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SLV-ED1/ED4/ED7/ED8
4-5
4-6
4-2. PRINTED WIRING BOARD AND SCHEMATIC DIAGRAMS
MA-323 (HEAD AMP) SCHEMATIC DIAGRAM
• See page 4-9 to 4-10 for printed wiring board.
– Ref. No.: MA-323 board; 2,000 series –
HEAD AMP
MA-323 (1/10)
• Waveforms
1
IC501
4
REC
2
IC501
@•
REC
3
IC501
@™
PB
4
IC501
@¡
REC/PB
5
IC501
!•
REC/PB
6
IC501
!¶
REC/PB
2.8 Vp-p (H)
100m Vp-p (H)
800m Vp-p (H)
4.6 Vp-p (2 V)
2.2 Vp-p (H)
5.2 Vp-p (2 V)
SLV-ED1/ED4/ED7/ED8
4-8
MA-323
(
VIDEO, AUDIO, I/O,
SERVO/SYSTEM CONTROL, TUNER
SERVO/SYSTEM CONTROL, TUNER
)
DS-80
(MODE CONTROL)
(MODE CONTROL)
POWER BLOCK (HS-921SF)
(POWER SUPPLY)
(POWER SUPPLY)
MA-323
(
VIDEO, AUDIO, I/O,
SERVO/SYSTEM CONTROL, TUNER
SERVO/SYSTEM CONTROL, TUNER
)
DM-76
(MODE CONTROL)
(MODE CONTROL)
POWER BLOCK (HS-921SF1)(ED4)
POWER BLOCK (SR-708) (ED7/ED8)
(POWER SUPPLY)
POWER BLOCK (SR-708) (ED7/ED8)
(POWER SUPPLY)
NK-11 (ED7)
(KOREAN STEREO)
(KOREAN STEREO)
MF-312
(
MODE CONTROL,
)
FRONT IN
MA-323 BOARD
CN101
F-12
CN102
E-3
CN103
H-6
CN104
H-12
CN105
I-13
CN161
I-12
CN301
B-6
CN302
B-5
CN341
C-12
CN423
D-12
CN424
I-1
CN501
A-9
CN502
B-10
CN600
G-1
CN751
H-13
D102
F-7
D103
F-11
D104
I-5
D105
J-13
D106
G-9
D130
I-4
D163
I-6
D164
I-7
D165
H-6
D305
B-5
D306
D-12
D307
B-5
D401
J-1
D402
E-8
D403
E-7
D600
H-1
D601
H-1
D602
H-1
D603
I-2
D604
H-5
D701
C-12
D702
C-12
D704
E-12
D908
A-4
D909
A-4
IC130
I-4
IC161
H-8
IC162
I-11
IC163
H-11
IC201
D-5
IC202
E-5
IC203
D-3
IC340
B-11
IC360
D-10
IC400
J-9
IC420
I-7
IC501
B-9
IC600
I-2
IC601
J-2
IC602
D-9
IC750
H-13
IC901
B-2
Q100
F-11
Q101
F-3
Q102
G-6
Q103
H-6
Q105
H-9
Q201
E-4
Q202
D-7
Q204
C-3
Q205
C-3
Q207
D-7
Q208
C-6
Q209
D-7
Q210
D-6
Q301
B-6
Q302
B-6
Q303
B-6
Q305
C-7
Q307
C-6
Q308
C-6
Q311
B-6
Q312
B-6
Q330
B-2
Q331
C-2
Q332
B-6
Q400
E-6
Q402
E-8
Q501
B-9
Q600
G-2
Q601
G-2
Q602
I-1
Q603
I-1
Q701
C-13
Q703
E-13
Q754
H-13
Q901
A-7
SLV-ED1/ED4/ED7/ED8
4-9
4-10
There are few cases that the part isn't mounted in this model is printed on this diagram.
MA-323 (HEAD AMP, VIDEO, AUDIO, IO, SERVO/SYSTEM CONTROL, TUNER) PRINTED WIRING BOARD
– Ref. No.: MA-323 board; 2,000 series –
HEAD AMP, VIDEO, AUDIO, IO, SERVO/SYSTEM CONTROL, TUNER
MA-323
MA-323
BOARD
1-669-809-
12
(12)
A
B
1
05
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
ON
TOUCH
TUNING
TOUCH
TUNING
ON
TOUCH
TUNING
TOUCH
TUNING
SP/EP
INPUT
SELECT
EASY
TIMER
CHANNEL
-
CHANNEL
+
EASY
TIMER
CHANNEL
-
CHANNEL
+
PAUSE
REC
R
L
VIDEO
AUDIO
LINE-1 IN/LINE OUT
VHF/UHF
IN/OUT
RF UNIT
CH3
CH4
POWER
POWER
SLV-ED1/ED4/ED7/ED8
4-11
4-12
MA-323 (VIDEO, AUDIO) SCHEMATIC DIAGRAM
• See page 4-9 to 4-10 for printed wiring board.
– Ref. No.: MA-323 board; 2,000 series –
VIDEO, AUDIO
MA-323 (2/10)
Note: The components identified by mark
!
or dotted line
with mark
!
are critical for safety.
Replace only with part number specified.
Y
-CCD CLAMP
AUDIO SEARCH OUT
AUDIO BYPASS
PB APC/REC AFC
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