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4.5.
H-Board (1 of 2) Schematic Diagram
A
B
H-BOARD (1/2)
!
TNPA2949AB(FOR TH-42PA20M/H/R)
TNPA2949AC(FOR TH-42PA20A)
TNPA2949AD(FOR TH-42PA20F)
C
D
E
F
TH-42PA20A/F/M/H/R H-BORAD (1 of 2) Schematic Diagram
1
TO
K-BOARD
(K9)
H9
1
2
3
4
JS2227
0
R2221
100
R2225
C2225
2.2
0.1u
50V
L2222
EXC3BB221H
AC_YSW
Y-SW
AC_Y
Y
Y
G
AC_PB
PB
PB
AC_PR
PR
PR
AV4
V
V
AC_L
L
L
AC_RSW
R-SW
AC_R
R
R
G
AB_YSW
Y-SW
AB_Y
Y
Y
G
AB_PB
PB
PB
AB_PR
PR
PR
AV2
V
V
AB_L
L
L
AB_RSW
R-SW
AB_R
R
R
G
AD_C
C
AV1
AD_Y
Y
AD_YSW
G
C
Y
Y-G
C-G
G
AD_V
V
V
AD_L
L
L
AD_RSW
R-SW
AD_R
R
R
G
MONITOR OUT
AE_MV
V
V
AE_ML
L
L
AE_MR
R
R
G
JK3100A
<
TJB0A639
0
JS3100
JS3101
JS3102
JS3103
JS3104
JS3105
2
5
6
D2210
MAZ30360HL
R2220
100
R2200
47k
SOUND_DEF
C2222
R2222
0.1u
2.2
50V
C2226
R2226
0.1u
2.2
50V
L2220
EXC3BB221H
R2250
10k
C2271
C2270
R2251
16V
16V
10k
100u
0.1u
R2257
33k
AB_YSW
JS3141
0
AB_V
3
L2200
ELJPA470KF
R2203
10k
HP AMP
Q2202
IC2200
2SD0601A0L
C2202
AN17880A-E1
50V
C2203
10u
R2201
1u
1
Ripple Filter
Bias input
+
47k
16V
2
CAMP_SW
Bias Output
C2205
16V
3
VCC
Standby
100u
R2204
0
HP_R
4
OUT_2
HP_GND
5
CAMP_OUT
Mute_T
6
OUT_1
Beep_IN
HP_L
R2205
0
7
OUT_GND
IN_GND
8
IN_1
L2207
EXCELDR35V
R2259
4.7k
R2258
100
C2272
C2273
Q2203
1u
1u
R2253
10V
10V
2SB0709A0L
47k
R2254
C2274
33k
47p
50V
R2261
R2260
4.7k
100
GND
Q2204
R
2SB0709A0L
L
VCC
C2276
0.01u
C2275
50V
C2008
50V
50V
47p
10u
AUDIOOUT_R
NP
AUDIOOUT_L
NP
R2256
C2007
47k
50V
IC2207
10u
C0ABBB000102
AMP
AC_R
AC_RSW
AC_L
AV4
AC_YSW
AC_V
AC_Y
AC_PB
AC_PR
AB_R
AB_RSW
AB_L
AV2
AB_YSW
AB_V
AB_Y
AB_PB
AB_PR
AD_C
AD_Y
AD_R
AD_YSW
AV1
AD_RSW
D3105
AD_L
MAZ30910LL
AD_YSW
AD_V
AD_Y
AD_C
AE_MV
AE_MR
AUDIO OUT
AE_ML
4
C2201
50V
10u
16
15
NP
C2204
16V
10u
14
13
Mute
C2207
25V
0.22u
12
11
R2207
10k
R2206
10
10k
9
IN_2
R22
R2209
C2213
0
16V
2.2u
R2286
10k
C2228
10V
1u
C2289
C2290
R2245
16V
16V
100u
10k
0.1u
C
L3100
EXC3BB221H
C3113
R3
560p
2
50V
JS3112
0
R3
C3114
L3101
560p
2
EXC3BB221H
50V
L3110
E
JS3108
E
JS3111
E
JS3114
E
R3104
75
1%
L3106
EXC3BB221H
C3122
50V
560p
JS3107
0
C3123
50V
L3107
560p
EXC3BB221H
L3111
EXC3
JS3110
ERJ6
JS3113
ERJ6
JS3115
ERJ6
R3107
75
1%
L3102
R3
C3117
50V
2
EXC3BB221H
560p
JS3118
0
C3118
R3
L3103
560p
2
EXC3BB221H
50V
L3109
JS3120
JS3121
ERJ6GEY0
R3112
75
R
1%
C3112
R3105
R3109
16V
75
75
1u
1%
1%
R3121
75
1%
C3121
Q3100
R3106
25V
470u
100k
2SB0709A0L
C3119
R31
L3104
50V
100
EXC3BB221H
560p
C3120
R3
L3105
50V
10
EXC3BB221H
560p
5
29
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