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HCD-GTX88
HCD-GTX88
6-26. SCHEMATIC DIAGRAM — FUNCTION SECTION — • Refer to page 69 for IC Block Diagrams.
(Page 55)
(Page 44)
(Page 59)
IC B/D
3.2
3.2
-0.1
3
0.2
0.3
3.1
1.8
3.2
0.7
6.1
3.1
0.1
3.1
0.1
0.5
3.1
0
7.6
0
7.6
0.5
3
1.6
3.8
0.5
3
4.5
4.5
4.5
4.5
9
4.5
4.5
1
2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
1
2
3
3
2
1
78
76
75
59
58
54
53
54
53
52
58
75
76
79
59
52
79
S905
S906
S904
S903
S902
S914
S915
S917
S918
S919
S920
3.3k
R919
4.7k
R918
6.8k
R917
10k
R916
15k
R914
0
R915
Q906
DTC123JKA-T146
Q907
DTC123JKA-T146
Q908
DTC123JKA-T146
Q913
DTC123JKA-T146
820
R1047
820
R1049
820
R1048
S901
C947
100p
CH
4.7k
R906
22k
R902
33k
R901
6.8k
R905
15k
R903
S908
470
R913
1.5k
R955
1.5k
R956
1k
R1068
1k
R1069
VOLUME ENCODER
1000p
B
C986
1000p
B
C980
1k
R1070
6.8k
R1071
2.2k
R957
3.3k
R958
4.7k
R959
680
R912
1k
R911
1.5k
R910
2.2k
R908
3.3k
R907
1.5k
R909
S925
S924
S923
S922
S921
470
R925
1k
R923
1.5k
R922
1.5k
R921
2.2k
R920
Q909
DTC123JKA-T146
Q910
DTC123JKA-T146
Q911
DTC123JKA-T146
680
R924
S900
270
R900
10k
R904
S907
S912
S928
S927
S926
470
R928
680
R927
1k
R926
D928
MA111-TX
100
R990
22
R984
Q905
DTA123JKA-T146
82
R987
D921
SELU5420E-STP15
NO955
2P
KEY2
GC GND
S934
270
R1178
Q904
DTC123JKA-T146
S937
22k
R1052
Q914
D922-D927
(ILLUMINATION)
DTC123JKA-T146
Q915
DTC123JKA-T146
Q916
DTC123JKA-T146
D930
SELU5420E-STP15
CN950
25P
LED- VIDEO/MD(TV),USB(VIDEO)
LED -TAPE(Tuner),TV/SAT(Tape)
LED -CD(Dummy),TUNER(DVD)
LED- FF,FR
LED USB ACCESS, toUSB
LED -STOP, Pause
LED -toTAPE,toUSB
LED -AMS+,AMS-
LED -PLAY RED/GREEN
KEY0
KEY1
KEY2
SELA
SELB
POWER LED
GC-GND
KEY INT DISPLAY
EVER+4V
LED-GND
KEY INT POWER
LED VOL5,6
LED VOL3,4
LED VOL1,2
OPERATION DIAL
VOLUME
Q921
DTC123JKA-T146
680
R961
680
R964
JL951
JL952
JL953
JL954
JL955
JL956
JL957
JL958
JL959
JL960
JL961
JL962
JL963
JL964
JL965
JL966
JL967
JL968
JL969
JL970
JL971
JL972
JL973
JL974
JL975
JL981
JL982
JL983
JL984
JL985
JL978
JL979
JL980
470
R1066
470
R1065
470
R1064
470
R1062
470
R1061
470
R1060
470
R1058
470
R1057
470
R1056
D929
SELU5223S-TP15
D922
SELU5223C-STP15
D923
SELU5223C-STP15
D924
SELU5223C-STP15
D925
SELU5223C-STP15
D926
SELU5223C-STP15
D927
SELU5223C-STP15
D904
SELU5223C-STP15
D906
SELU5223C-STP15
D907
SELU5223C-STP15
D908
SELU5223C-STP15
D909
SELU5223C-STP15
D910
SELU5223C-STP15
D912
SELU5223C-STP15
D913
SELU5223C-STP15
D914
SELU5223C-STP15
D916
SELU5223C-STP15
1k
R995
1k
R996
1k
R997
1k
R998
1k
R999
1k
R1000
1k
R1002
1k
R1003
1k
R1004
1k
R1005
1k
R1006
1k
R1007
1k
R1009
1k
R1010
1k
R1011
1k
R1015
1k
R1016
1k
R1017
1k
R1019
1k
R1020
1k
R1021
1k
R1022
1k
R1023
1k
R1024
1k
R1028
1k
R1029
1k
R1030
1k
R1032
1k
R1033
1k
R1034
CN904
3P
NO954
3P
Volume
LED GND
Operational Dial
Volume
LED GND
Operational Dial
KEY 0
KEY 1
KEY 2
EVER +4V
POWER LED
VOL 1,2
VOL 3,4
VOL 5,6
SEL B
SEL A
(GREEN)
(RED)
TAPE REC
PAUSE/START
CD–TAPE SYNC
CD–USB SYNC/REC 1
RETURN
GROOVE
PRESET EQ
AMP MENU
SURROUND
SPEAKER MOVE
EQ BAND/MEMORY
D905
SELU5223C-STP15
CD
1k
R992
1k
R993
1k
R991
TUNER/BAND
AUDIO
TAPE A/B
VIDEO
USB
CD-TAPE
SYNC
TAPE REC
PAUSE/START
CD-USB
SYNC/REC 1
FLANGER
S909
DELAY
S910
CHORUS
S913
SOUND FLASH
S911
ENTER
ERASE
S929
S930
Z
OPEN/CLOSE
S931
DISC 1
S932
DISC 2
S933
DISC 3
ILLUMINATION
x
M
m
TUNING–
.
x
BX
D917
SELU5420E-STP15
EX-CHANGE/
DISC SKIP
S936
2A
2A
2B
2B
GND
GND
OPERATIPN
DIAL
J1100
MIC
J1101
PHONES
S935
MASTER
VOLUME
1
2
CN905
2P
KEY2
GC GND
JL976
JL977
4
3
2
1
5
6
7
8
1
2
3
1
3
4
5
IC1100
NJM4565M
A OUT
A- IN
A+ IN
V-
B+ IN
B- IN
B OUT
V+
RV1150
50k
1
3
2
CN907 3P
CN902 4P
HP R
HP GND
HP L
0
R1104
0
R1154
C1106
0.1
HP DETECT
A+9V
MIC SIGNAL
MIC AGND
C1157
0.01
B
10k
R1173
C1158
2.2
50V
1k
R1175
C1110
47p CH
47k
R1182
47k
R1183
100
R1137
100
R1187
D1152
MA111-TX
D1103
MA111-TA
D1104
MA111-TA
D1153
MA111-TX
C1191
0.1 B
(CHASSIS)
(CHASSIS)
0
R1190
C1116
1000p
CH
C1190
47
16V
C1160
47p CH
JL1008
JL1009
JL1010
JL1011
JL1012
JL1013
JL1014
0
R1199
JW1001
JW1002
C1113
2.2
50V
C1163
0.22
50V
C1111
470p
47k
R1138
C1112
1
50V
150k
R1188
C1161
150p CH
C1162
2.2 50V
0
R1176
100k
R1177
JW1003
10k
R1181
1k
R1180
MIC
LEVEL
FUNCTION BOARD
CD-SW BOARD
JOG BOARD
MIC BOARD
MIC AMP
IC1100
PANEL
BOARD
CN900
N
MAIN
BOARD
(1/4)
CN100
POWER
BOARD
NO601
O
G
Q906–911,913,921
LED DRIVE
Q904,905
LED DRIVE
Q914–916
LED DRIVE
+
BX
m
–
M
+
–
>
USB
VIDEO
AUDIO
CD
TAPE A/B
TUNER/BAND
Summary of Contents for HCD-GTX88
Page 103: ...103 HCD GTX88 MEMO ...