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HCD-GTR88
HCD-GTR88
38
38
6-22.
SCHEMA
TIC DIAGRAM - TRANS and SUBTRANS Board -
• See page 43 for W
aveforms. • See page 44 for IC Block Diagrams. • See page 48 for IC Pin Function Description.
E
(CHASSIS)
TRANS BOARD
SUBTRANS BOARD
FH1257
FH1251
FH1255
FH1252
50V
10
C1252
F1251
1k
R1250
FH1254
FH1256
FH1250
100 50V
C1254
FH1253
10EDB40-TB3
D1250
F1253
F1252
F1250
T8AL 250V
T8AL 250V
T8AL 250V
T8AL 250V
TP1250
TP1251
TP1253
TP1254
TP1255
TP1256
TP1258
TP1252
TP1257
TP1259
TP1261
TP1260
2SB1238-PQR-TV2
REGULATOR
Q1250
63V
220
C1253
10k
R1252
MAZ8330GMLS0
D1252
JW1250
1
2
3
4
5
6
7
7P
NO1250
120/127V
220V
240V
N
JW1252
TP1263
MX, AUS
(MAIN)
(SUB)
E2, E51, E4
AR, MX, AUS
EXCEPT AR
AR
JW1251
1
3
NO1251
3P
230V/127V/120V
N
JW1253
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN1250
VH
VH
VL
PWR GND
PWR GND
VL
VH
VH
AC3
AC3
-VG
VF
VF
CL1250
CL1251
CL1252
CL1253
C1251
0.1
C1250
0.1
6.3A 250V
F1254
2A 250V
F1255
10
19
15
S5
PT1250
POWER TRANSFORMER
16
12
S3
8
S4
13
17
S1
18
S2
11
14
9
S6
220V
120-127V
230-240V
5
1
3
7
POWER AMP
BOARD NO1300 (Page 29)
H
MAIN BOARD (3/3) CN691
(Page 33)
E
680
R1201
TP1202
C1200
0.1
0.1
MC2838-T112-1
D1203
MC2840-T112-1
D1201
C1205
0.1
TP1201
TP1205
TP1209
RY1200
50V
C1204
4.7
C1206
0.1
2SC3052EF-T1-LEF
Q1200
TP1206
TP1203
TP1207
MA2J1110GLS0
D1200
JW1203
AR, AUS
AR, AUS
MX, E2, E51, E4
MX, AR, AUS
MX, AR, AUS
E2, E51, E4
MX
TP1200
S1200
VOLTAGE
SELECTOR
E2, E51, E4
4
2
3
7
6
5
1
C1201
JW1207
2.2k
R1202
JW1202
TP1208
TP1204
JW1212
JW1201
ET1200
MC2840-T112-1
D1202
1
2
3
4
NO1203
4P
AC-CUT DETECT
STBY-RY
STBY-RY GND
EVER-10V
1
3
3P
CN1200
LIVE
NEUTRAL
CL1200
CL1201
CL1203
CL1204
CL1205
CL1206
1
3
4
5
6
7
8
9
2
PT1200
POWER TRANSFORMER
JW1206
25V
1000
C1203
1
3
5
7
4P
2P
CN1201
E2, E51, E4
MX, AR, AUS
120/127V
240V
220V
1
3
CN1202
230V/220V/127V/120V
N
N
JW1205
0V
120V
240V
(AC IN)
123456789
1
0
1
1
14
15
12
13
A
B
C
D
E
F
G
H
I
J