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PMC-MD55
A
FROM TUNER
SECTION
(Page 33)
I
FROM MD
SECTION
(Page 36)
K
FROM CD
SECTION
(Page 38)
CN408
(2/2)
J303
LINE IN
R-CH
CN305
LINE IN BOARD
CN301
CN405(2/2)
3
RADIO
IN
7
LINE
IN
2
5
OUT
TUNER/LINE IN
SELECT
IC301
SW1
LINE IN
MUTE
Q104
LINE IN LEVEL
CONTROL
Q105
LINE IN MUTE
DRIVE
Q305
LINE IN LEVEL
CONTROL DRIVE
Q306
R-CH
DA L-CH
CD L-CH
MAIN BOARD (4/6)
MD
MUTE
Q102
R-CH
MD MUTE
DRIVE
Q304
CD
MUTE
Q101
R-CH
R-CH
CD MUTE
DRIVE
Q303
MD MUTE
SWITCH
Q302
CD MUTE
SWITCH
Q301
BUFFER
Q103 (1/2)
BUFFER
Q103 (2/2)
R-CH
5
7
LOW-PASS
FILTER
IC302
99
1
58
57
2
TUNER/LINE IN
MUTE SWITCH
Q307
TUNER/LINE IN
MUTE
DRIVE
Q308
TUNER/LINE IN
MUTE
Q106
CD
MD
LINE-LEVEL
LINE
CN302
(1/3)
RADIO/LINE
95
94
AU-CLK
AU-DATA
CN405
(1/2)
CN307
(1/2)
62 KEY1
S572-580
61 KEY2
S557-564
60 KEY3
85 RMC
S565-571
REMOTE
CONTROL
RECEIVER
IC550
49 JOG-A
50 JOG-B
55 LED-PRESET/AMS
56 LED-SELECT
33 HI-LED
S556
(JOG DIAL)
LED
DRIVE
Q553
LED
DRIVE
Q554
LED
DRIVE
Q555
HIGH SPEED
D555
SELECT
D554
AMS/PRESET
D553
CN407
CN551
SW (FRONT) BOARD
46 47
25 26
LCD-DATA
LCD-CLK
LCD-CE
LCD-AO
96
BL-CONT
24
LCD-RST
J
AD-LCH
TO MD
SECTION
(Page 36)
9
VOL
BASS
TREBLE
IN2
0dB/6dB
DINAMIC
BASS
FILTER
OUT2
16
DIGITAL
CONTROL
L-CH
L-CH
R-CH
R-CH
18 20
19
ELECTRICAL
VOLUME
IC351
N
TO POWER
AMP SECTION
(Page 43)
CN406(2/3)
CN552
(2/3)
CN409
(1/2)
CN550
(1/2)
LED
DRIVE
Q550
LED
DRIVE
Q551
LED
DRIVE
Q552
BAND
RADIO
D552
, MD
S551
MD
D550
28
29
27
S550-555,
S579
59
AU/JACK BOARD (1/4)
SW (TOP) BOARD
23
D/LCON
KEY4
LED-MD
LED-CD
LED-RADIO
PILOT LAMP
DRIVE
Q405
CN409 (2/2)
CN550 (2/2)
PL550
CD DISC
ILLUMINATION
LAMP BOARD
PL553-555
(LCD BACK LIGHT)
PILOT LAMP
DRIVE
Q410
B/L
CONTROL
Q407
CN302
(2/3)
CN401
DIMMER
Q357,358
CN306
CN307
(2/2)
AU/JACK BOARD (2/4)
O
FROM POWER
SUPPLY
SECTION
(Page 44)
UNREG +8V
LIQUID
CRYSTAL
DISPLY
LCD500
RST
AO
CE
CLK
DATA
RV550
DIMMER
VDD
V5
VR
CN552
(3/3)
P
BU +3.3V
LCD BOARD
RA-LCH
05
SYSTEM
CONTROLLER
IC405 (4/5)
3
2
5
8
L
1
1
6
6
5
5
3
SCK
DBC
SI
2
2
11
10
11
10
4
7
9
12
5
1
4
7
9
12
5
1
1
7
6
4
5
1
7
6
4
5
21
1
3
5
4
, CD
S553
BAND, RADIO
S552
7
8
6
1
7
8
6
1
5
5
Q404
Q411
2
1
7
7
CN553
(1/2)
CN553
(2/2)
7
9
CN406
(1/3)
9
6
8
14
3
• SIGNAL PATH
: TUNER
: CD
R-CH : Same as L-CH.
: MD PLAY
: MD REC (ANALOG)
FROM CD
SECTION
(Page 38)
POWER
S572
TO TOP
S576
DELETE
S557
DISPLAY
S562
VOL+
S565
MD EJECT
S569
VOL–
S566
BASS/TREBLE
S567
MONO/ST, REPEAT
S570
AUTO PRESET, SHUF/PGM
S571
MEGA BASS
S568
NO, CANCEL
S559
INSERT
S564
EDIT
S560
YES, ENTER
S561
TUNE–,
S558
TO END
S577
REC
S578
HIGH SPEED
S580
SLEEP
S573
STANDBY
S574
SYNCHRO REC
S575
TUNE+,
S563
(MD)
S550
(CD)
S554
CD OPEN/CLOSE
S555
LINE/LINE LEVEL
S579
FROM POWER
SUPPLY
SECTION
(Page 44)
– 40 –
– 41 –
– 42 –
6-4.
BLOCK DIAGRAM – FUNCTION SELECT/PANEL Section –
Summary of Contents for PMC-MD55 - Md Boombox
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