Schematic Diagram - Function Section - Sony HCD-GTX88 Service Manual

6-26. SCHEMATIC DIAGRAM — FUNCTION SECTION — • Refer to page 69 for IC Block Diagrams.
FUNCTION BOARD
D905
SELU5223C-STP15
CD
R991 1k
R992 1k
R993 1k
Q906–911,913,921
Q906
DTC123JKA-T146
R995 1k
3.1
54 0.3 D906
R996 1k
SELU5223C-STP15
TUNER/BAND
R997 1k
R998 1k
R999 1k
D907
R1000 1k
Q907
SELU5223C-STP15
DTC123JKA-T146
TAPE A/B
3.2
1.8
53 D908
R1002 1k
SELU5223C-STP15
R1003 1k AUDIO
R1004 1k
R1005 1k
R1006 1k
D909
Q908 R1007 1k
SELU5223C-STP15
DTC123JKA-T146
VIDEO
6.1
0.7
52 D910
SELU5223C-STP15
R1009 1k
USB
R1010 1k
R1011 1k
R1015 1k
D912
R1016 1k
SELU5223C-STP15
+
Q909
R1017 1k
M
DTC123JKA-T146
0.1
D913
R1019 1k SELU5223C-STP15
3.1
58
–
R1020 1k
m
R1021 1k
R1022 1k
R1023 1k
R1024 1k
D914
Q910
SELU5223C-STP15
DTC123JKA-T146
x
0.1
3.1
75
R1028 1k
R1029 1k
Q911
D916
DTC123JKA-T146 R1030 1k
SELU5223C-STP15
3.1
CD-TAPE
SYNC
76 0.5 R1032 1k
1k
R1033
R1034
1k
D917
SELU5420E-STP15
CD-USB
SYNC/REC 1
Q913
DTC123JKA-T146
R1047 820
3.8
79 1.6 R1048 820
R1049 820
D921
SELU5420E-STP15
BX
Q921 R964
680
DTC123JKA-T146
3
R961 680
D929
0.5
59
SELU5223S-TP15
TAPE REC
PAUSE/START
HCD-GTX88
S900
Q904,905
LED DRIVE S937
TAPE REC S901
Q904
PAUSE/START USB
DTC123JKA-T146
LED DRIVE
3
S914 S902
0.2 CD–TAPE SYNC R1052 VIDEO
22k
D928
R984
MA111-TX
22
R914 S903
S915
D930
15k
CD–USB SYNC/REC 1 AUDIO
SELU5420E-STP15
(GREEN)
3.2
R915
10k
3.2
S917 S904
R987
TAPE A/B
x
82 R916
-0.1
0
Q905
D904 DTA123JKA-T146
SELU5223C-STP15
S905
R990
–
(RED)
S918 R917 TUNER/BAND
100
m
6.8k
S906
+
CD
S919
M R918
4.7k
S907
ILLUMINATION
TUNING+
S920 R919
>
3.3k
S908
FLANGER
S921
R920
BX
2.2k
S909
DELAY
TUNING–
R921
S922
.
1.5k
S910
CHORUS
S923
R922
RETURN
1.5k
S911
ENTER
S924
R923
AMP MENU
1k
S912
ERASE
S925
SURROUND
R924
680
SPEAKER MOVE S913
SOUND FLASH
S926
R925
EQ BAND/MEMORY 470
S927
R926
GROOVE
1k
S928
R927
PRESET EQ
680
Q914–916
LED DRIVE C947
100p
CH
D922-D927
R928
(ILLUMINATION)
470
D922
R1056
SELU5223C-STP15
470
Q914
DTC123JKA-T146 R1057
7.6
470
D923
R1058 SELU5223C-STP15
470
VOL 1,2
0
D924
R1060
SELU5223C-STP15
470
Q915
DTC123JKA-T146
R1061
7.6
470
D925
SELU5223C-STP15
R1062
470
VOL 3,4
0
D926
R1064
SELU5223C-STP15
470
SEL A
Q916
DTC123JKA-T146 R1065
3 470
D927
SELU5223C-STP15
R1066
SEL B
470
VOL 5,6
0.5
CD-SW BOARD
CN905 NO955
2P
2P
JL976
1 KEY2 KEY2 1
JL977
S934 2 GC GND GC GND 2
R900
R1178
270 270
JOG BOARD
R901
NO954
CN904
33k
3P
3P
JL978
3 Operational Dial Operational Dial 1
JL979
2 LED GND LED GND 2
R902 JL980
1 Volume Volume 3
22k
R903
15k
R904
10k
MIC BOARD
R905
6.8k
R906
4.7k
R907
3.3k
JW1003
C1158
2.2
50V
R908
2.2k
J1100
C1157
0.01 R1173
10k
B
R909
1.5k
R910
1.5k
R911
1k
MA111-TX
MA111-TX
R912
680
R913
470
CN950
25P
JL951
25 VOLUME
JL952
24 OPERATION DIAL
JL953
23
LED VOL1,2
JL954
22 LED VOL3,4
JL955
21 LED VOL5,6
JL956
20 KEY INT POWER
JL957
19 LED-GND
JL958
18 EVER+4V
JL959
17 KEY INT DISPLAY
JL960
16 GC-GND
JL961
15 POWER LED
JL962
14 SELB
JL963
13 SELA
N
JL964
12 KEY2
JL965
(Page 55)
11 KEY1
JL966
10 KEY0
79
JL967
9 LED -PLAY RED/GREEN
78 JL968
8 LED -AMS+,AMS-
76 JL969
7 LED -toTAPE,toUSB
75 JL970
6 LED -STOP, Pause
59 JL971
5 LED USB ACCESS, toUSB
58 JL972
4 LED- FF,FR
54 JL973
3 LED -CD(Dummy),TUNER(DVD)
53 JL974
2 LED -TAPE(Tuner),TV/SAT(Tape)
52 JL975
1 LED- VIDEO/MD(TV),USB(VIDEO)
57 57
R955 R956 R957 R958 R959
1.5k 1.5k 2.2k 3.3k 4.7k
JL981
JL982
S929 S931 S932 S933
S930
Z OPEN/CLOSE DISC 1 DISC 2 DISC 3
2B
S936
R1071
R1070 6.8k
1k
C980 GND
2A 1000p
JL983 B
JL984
JL985
R1069
1k
2B
S935
2A
C986 GND
1000p
R1068
B
1k
VOLUME ENCODER
C1112 C1113
1 C1111 2.2
R1180 R1137
50V 470p 50V
1k 100
C1110
47p CH
R1138
47k
R1176
4 3 2 1
0
IC1100
IC B/D
R1177
100k
MIC
C1116 R1199
5 6 7 8 LEVEL
1000p 0
R1175
CH C1163
1k
0.22
RV1150
C1160 R1187
50V 50k
47p CH 100
R1181
C1162 C1161
10k
150p CH JW1001
2.2 50V
C1190 R1183
R1182
47k
47
47k
16V
D1152
D1153
R1190 0
C1191
0.1 B
(CHASSIS)
J1101 R1104 0
D1103 D1104
C1106
R1154
MA111-TA MA111-TA
0.1
0
(CHASSIS)
HCD-GTX88
CN902 4P
JL1008
5 MIC AGND
JL1009
4 MIC SIGNAL
JL1010 G
3 A+9V
JL1011
(Page 44)
1 HP DETECT
CN907 3P
JL1012
3
HP L
JL1013
2 HP GND O
JL1014
1 HP R
(Page 59)