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14 Printed Circuit Board
14.1. P-Board
P-BOARD (FOIL SIDE)
ETX2MM806MEH
6
5
4
3
2
1
A B C D E F G H I
81
P
Parts Location Parts Location
P-BOARD (FOIL SIDE) P-BOARD (COMPONENT SIDE)
IC TRANSISTOR Q601 F-4 IC TRANSISTOR TEST POINT
Q602 G-4
IC201 E-4 Q201 D-5 IC201 D-2 Q201 E-5 TP5 B-6
Q603 F-4
IC202 E-3 Q202 D-4 IC501 D-4 Q202 E-4 TP9 H-4
Q604 F-4
IC251 C-5 Q203 E-3 Q355 F-3
Q605 E-3
IC352 D-3 Q204 E-3 Q401 G-4
Q606 F-3 VOLUME
IC403 B-3 Q251 C-6 Q402 H-3
Q607 E-3
IC501 F-2 Q252 C-6 Q403 H-3 VR251 F-5
Q701 C-1
IC551 E-1 Q355 D-3 Q551 F-2 VR401 H-2
Q702 B-1
IC601 G-4 Q401 B-4 Q601 D-4
Q703 C-1
IC701 C-1 Q402 B-3 Q604 D-4
Q704 C-1
Q403 B-3 Q606 D-3
Q705 D-2
Q404 B-2
Q706 B-2
Q405 B-2
Q707 C-1
PHOTO COUPLER Q406 C-2
Q708 C-2
Q407 B-3
PC201 D-3 Q408 B-3
PC202 D-3 Q502 G-2 TEST POINT
PC501 E-2 Q503 E-2 TP5 H-6
PC502 F-1 Q504 E-3 TP9 B-4
PC504 F-1 Q505 G-2
Q506 G-1 VOLUME
Q551 D-2
Q557 D-1 VR251 C-5
Q558 D-2 VR401 B-2
Q559 D-2
82
P-BOARD (COMPONENT SIDE)
ETX2MM806MEH
6
5
4
3
2
1
A B C D E F G H I
83
13.2. P-Board (1/3) Schematic Diagram
HOT COLD
! P-BOARD ETX2MM806MEH (1/3)
A
B
PFC
C
HOT
COLD
D
STB
CONTROL
E
STB
ERROR DET
F
HOT COLD
1 2 3 4 5 6 7 8 9
44
13.3. P-Board (2/3) Schematic Diagram
HOT COLD
TO
SS-BOARD
(SS11)
A TO
SC-BOARD
(SC2)
Vsus
B Vsus
ERROR DET
RESONANCE
CONTROL
TO
C3-BOARD
(C35)
C
Vda
CONTROL
D COMPARATOR
Vda
TO
A-BOARD
(A6)
E
P+15V
F
! P-BOARD ETX2MM806MEH (2/3)
HOT COLD
1 2 3 4 5 6 7 8 9
45
13.4. P-Board (3/3) Schematic Diagram
A
NO
USE
B
TO
A-BOARD
(A7)
C
VISM42N04T
POWER MICOM
D
E
OPEN
F
! P-BOARD ETX2MM806MEH (3/3)
1 2 3 4 5 6 7 8 9
46