Sony HCD-GTX88 / HCD-GTX88BP Service Manual ▷ View online
61
61
HCD-GTX88/GTX88BP
HCD-GTX88/GTX88BP
6-30. SCHEMATIC DIAGRAM — SUBWOOFER SECTION —
E
3
D
5
8
F
A
4
6
C
2
7
1
B
CN607
POWER BOARD
P
CN513
MAIN BOARD (4/4)
I
0.3
0.1
0.9
0.8
0
16.1
0
0
16.1
0
3.2
2.7
50.6
-50.4
-51.7
52
0
0
0
0
50.7
0
-0.1
0.6
-0.1
-0.1
RY862
2SC2712-YG-TE85L
Q814
RELAY DRIVE
2SC3052F-T1-LF
Q815
AC CUT DETECT
1k
R865
2.2k
R863
22k
R866
22k
R864
56k
R860
47k
R861
1/2W
10
R842
1/2W
10
R892
1/4W
100
R827
2SC3906K-T146E
Q800
2SC3906K-T146E
Q850
100k
R841
22k
R890
1k
R889
100k
R891
5W
0.22
R838
1/4W
100
R828
5W
0.22
R888
100p
C803
100p
C853
47k
R808
1/4W
1
1
R804
1/4W
1
1
R805
10k
R817
2.2k
R812
50V
10
C820
2SC3906K-T146E
Q812
STK MUTE
10k
R814
0.1
C804
10V
100
C802
47k
R858
10V
100
C852
R851
470k
47k
R801
1
C801
1k
R800
50V
4.7
C800
0.1
C805
1/2W
82
R862
8.2p
C858
8.2p
C808
1k
R839
22k
R840
1
3
4
5
6
6P
NO800
SW RC GND
VIR
TUAL GND
-VL
+VL
AC CUT DETECT
MC2838-T112-1
D800
1/2W
10
R736
L780
L730
1/2W
10
R786
0.1
C838
0.1
C839
0.1
C889
0.1
C888
MA111-TX
D810
MA111-TX
D811
1
9
8
7
6
5
4
3
2
15
14
13
12
11
10
IC800
STK433-130N-E
-PRE
-VCC
+VCC
+RE1
-RE1
+RE2
-RE2
+PRE
SUB
GND
IN1
NF1
ST
-BY
NF2
IN2
1
2
3
4
5
6
7
8
8P
CN700
DC DETECT
OVERLOAD
UNREG
UNREG
STK MUTE
SW R
Y
SW A-GND
SW IN
R802
R852
47k
R843
50V
4.7
C843
50V
4.7
C850
1k
R850
C851
1
JW760
63V
100
C825
63V
100
C826
JW740
(CHASSIS)
B791
(CHASSIS)
LP701
POWER AMP
IC800
SUB WOOFER BOARD
TM700
L
R
SUBWOOFER
OUT
TM700
Q800,850
OVERLOAD DETECT
(EXCEPT MX)
(MX)
(MX)
470
560
560
R802,852
1
1
1
(Page 59)
(Page 47)
Ver. 1.2
62
62
HCD-GTX88/GTX88BP
HCD-GTX88/GTX88BP
6-31. PRINTED WIRING BOARDS — TRANS SECTION — • Refer to page 37 for Circuit Boards Location.
: Uses unleaded solder.
(Page 58)
(Page 48)
(Page 48)
(Page 58)
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
L1201
JW1204
NO1201
JW1213
NO1203
JW1214
JW1215
JW1212
CN1200
CN1202
C1206
R
Y1200
EP1203
(CHASSIS)
(CHASSIS)
EP1204
LP1200
LP1201
LP1202
CN1204
AUS,AR,MX
MODEL
1
2
1
3
3
1
3
1
CL1200
CL1201
CL1202
CL1203
1-872-555-
11
(11)
CL1204
CL1205
CL1206
C1201
C1202
Q1200
E
C1204
D1200
R1200
R1201
JR1202
2
1
1
4
230-240V
220V
120V
VOLTAGE
SELECTOR
E2,E51 MODEL
S1200
PRIMARY BOARD
J
MAIN
BOARD
NO401
TRANS BOARD
POWER
SWITCHING
AC IN
K
MAIN
BOARD
NO503
Q
POWER
BOARD
NO600
R
POWER
BOARD
NO604
*
*
NOT REPLACEABLE:
BUILT IN TRANSFORMER
BUILT IN TRANSFORMER
AUS,AR,MX
MODEL
MODEL
AUS,AR,MX
MODEL
MODEL
E2,E51 MODEL
E2,E51 MODEL
AUS,AR,MX
MODEL
MODEL
AUS,AR,MX
MODEL
MODEL
AR
MODEL
MODEL
EXCEPT AR
MODEL
1-872-556-
11
(11)
1
2
1
4
NO1211
NO1212
JW1231
JW1235
JW1234
LP1211
JW1201
JW1202
JW1206
JW1207
G1200
JW1211
JW1216
CN1212
JW1223
CN1214
JW1230
CN1215
FH1241
FH1242
FH1251
FH1252
FH1261
C1262
FH1262
C1263
Q1264
FH1271
FH1272
FH1281
FH1282
C1292
F1241
D1292
R1292
F1251
F1261
F1271
F1281
LP1212
LP1213
1
6
2
1
B
E
JL001
JL002
CL1211
CL1212
CL1213
C1234
TP1
TP2
TP1
TP3
JW1222
TP4
TP5
TP6
TP7
TP8
TP9
D1264
R1262
R1263
R1264
TP10
TP11
TP12
TP13
1
7
T1200
1
3
5
8
19
7
EXCEPT MX
MODEL
MODEL
Ref. No.
Location
D1200
B-3
D1264
I-8
D1292
H-6
Q1200
B-2
Q1264
I-7
• Semiconductor
Location
Ver. 1.1
63
63
HCD-GTX88/GTX88BP
HCD-GTX88/GTX88BP
6-32. SCHEMATIC DIAGRAM — TRANS SECTION —
(Page 59)
(1/4)
MAIN
BOARD
NO401
J
Q
POWER
BOARD
NO604
BOARD
NO604
POWER
BOARD
NO600
BOARD
NO600
R
EXCEPT AR MODEL
E2,E51
MODEL
E2,E51 MODEL
AUS,AR,MX MODEL
AR MODEL
AUS,AR,MX
MODEL
MODEL
EXCEPT MX MODEL
CN1212
C1292
C1234
0.1
R1292
C1262
R1262
R1263
R1264
C1263
CN1200
C1206
R1201
C1201
R1200
L1201
18uH
C1202
(CHASSIS)
JR1202
C1204
EP1203
NO1203
CN1202
NO1201
JW1204
RY1200
T1200
F1241
F1251
F1261
F1271
F1281
JW1235
JW1234
D1200
D1264
Q1264
CN1204
CN1211
NO1212
CN1204
S1200
Q1200
7P
CN1215
2P
100 63V
D1292
10EDB40-TB3
0.68
10
50V
8.2k
8.2k
1k
100
50V
50V
3P
1000 6.3V
100k
0.1
2.2k
0.1
0
0.1
2P
2P
2P
POWER
TRANSFORMER
T8AL 250V
T8AL 250V
T8AL 250V
T8AL 250V
T4AL 250V
MA111-TX
MAIN
BOARD
(4/4)
NO503
K
1
AC3
AC3
AC3
VF
VF
-VG
DGND
CN1214
6P
UDZS-TE17-33B
2SB1565E
-33V REGURATOR
2SC2712-YG
POWER ON/OFF
RELAY DRIVE
AC IN
BUILT IN TRANSFORMER
NOT REPLACEABLE:
*
*
VOLTAGE SELECTOR
(Page 47)
(Page 44)
(Page 59)
Ver. 1.1
64
64
HCD-GTX88/GTX88BP
HCD-GTX88/GTX88BP
IC401 BA5826SFP-E2 (BD91 Board)
• IC BLOCK DIAGRAMS
IC201 TK63115SCL-G@GT (BD91 Board)
IC701 BA6956AN (DRIVER Board)
IC712 BA6956AN (DRIVER Board)
IC712 BA6956AN (DRIVER Board)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
24
23
22
21
20
19
18
17
16
15
25
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
GND
IN4
IN4'
BIAS
VCC
VCC
IN3'
IN3
VOL(+)
VOL(-)
RESET
OPIN
VO1(-)
REGB
VO1(+)
IN1
RESET
REGOUT
MUTE
GND
IN2'
IN2
VO2(+)
VOL(-)
GND
OPOUT
MUTE
VCC
VCC
13.3K
13.3K
13.3K
13.3K
100
10K
10K
10K
T.S.D.
REGULATOR,BIAS
DROP
VO3(-)
VO3(+)
CH3
CH4
CH2
CH1
VIN 1
GND 2
VOUT
3
V REF
ON/OFF
CONTROL
THERMAL &
OVER CURRENT
PROTECTION
VCONT
5
4 NC
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
IC402 BD4929G-TR (MAIN Board (1/4))
IC101 M61529FP-D60G (MAIN Board (2/4))
4
5
1
2
3
VREF
VOUT
VDD
GND
NC
1
REF
2
MIC
3
INA1
REF
EXTERNAL
INPUT ATT
INPUT ATT
INPUT
ATT
4
INB1
5
INC1
6
IND1
7
RECA1/INEX1
8
RECB1
9
TMI1
10
TMO1
11
TCA1
12
TCB1
13
TCC1
14
TOUT1
16
BB A1
17
BB B1
15
VOLIN1
VOCAL
CUT
TONE ATT
+
TONE CONTROL
(BASS/MID/TREBLE)
ELECTRICAL
VOLUME
18
OUT1
19
SAOUT
20
VCC
BASS
BOOST
21
DATA
MCU
INTERFACE
42
SUR1/DPL1
41
SUR2/DPL2
40
INA2
INPUT
ATT
39
INB2
38
INC2
37
IND2
36
RECA1/INEX2
35
RECB2
34
TMI2
33
TMO2
32
TCA2
31
TCB2
30
TCC2
29
TOUT2
27
BB A2
26
BB B2
28
VOLIN2
+
TONE ATT
TONE CONTROL
(BASS/MID/TREBLE)
ELECTRICAL
VOLUME
25
OUT2
24
SWOUT
23
GND
BASS
BOOST
22
CLOCK
+
SURROUND
OR
DPL BUFFER
+
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