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1
WIRING
AC CORD
or INLET
E
MAIN TRANS
D
C
B
CPU_ST_VCC
STBY_RLY
PDN
CPU_ST_VCC
CPU_+3.3V
GNDU
FLAC
FLCT
FLAC
(HTP-074)
A
(HT-S3800/3900)
1
2
(S1)
AC-IN
MAIN B'D
(S2)
(S3)
(S4)
E C
B
B C
E
E C
B
E
C
B
B C
E
Q206FL
Q204FL
Q205FL
Q206FL
Q204FL
2SB1560
2SC3964
2SD2390
2SB1560
2SC3964
SW
FR
TONE B'D
HP B'D
HP B'D
(HT-S3800
(HT-S3800
(HTP-074)
/3900)
/3900)
2
3
4
OPT/COAX B'D
E C
B
E
C
B
B C
E
E C
B
E
C
B
B C
Q205FL
Q206SL
Q204SL
Q205SL
Q206C
Q204C
2SD2390
2SB1560
2SC3964
2SD2390
2SB1560
2SC3964
SR
FRONT B'D
3
4
5
Schematic Diagram
DMAIN B'D
DMAIN CONNECTOR B'D
E
E C
B
E C
B
B C
E
E C
B
E C
Q205C
Q206SR
Q204SR
Q205SR
Q206FR
2SD2390
2SB1560
2SC3964
2SD2390
2SB1560
C
SL
PTC B'D
F_USB B'D
F_USB B'D
(HT-S3800
(HTP-074)
/3900)
5
6
BT B'D
B
B C
E
E C
B
Q204FR
Q205FR
2SC3964
2SD2390
FL
HTP-074 : 28PIN
HT-S3800/3900 : 27PIN
HT-S3900
6
E
D
C
B
A
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