Schematic Diagram - Main Section (1/4) - Sony HCD-GT22 Service Manual

HCD-GT22/GT44/GT55
Q Q
3 7 6 3 1 5 1 5 0
7-14. SCHEMATIC DIAGRAM – MAIN Section (1/4) –
1 2 3
MAIN BOARD (1/4)
A
G-OUT
V-OUT
B-OUT
B
2SC3052EF-T1-LEF
(GT55)
CN903
6P
KEY4
KEY4 1
G
D-GND 2
LED+9V 3
KEY TOP G-OUT
GUITER_LED_OUT 4
BOARD
C
V-OUT
CN616
VOCAL_LED_OUT 5
B-OUT
(Page 53)
BASS_LED_OUT 6
SUFIX
MODEL
(GT22:AUS/GT44:AUS)
1
22
25
MAIN
D ∗
24 R987
BOARD
10k(GT44)
(4/4)
1k(GT55)
(Page 41)
R987
(GT44/GT55)
CN901
27P
VF 1
VF 2
E
-VFL 3
D-GND 4
VREF 5
VDD+3.3V 6
KEY0
KEY0 7
KEY1
KEY1 8
KEY2
KEY2 9
T E
L 1 3 9 4 2 2 9 6 5 1 3
KEY3
KEY3 10
F
JOG
JOG 11
H VOL
VOL 12
V-CS
VFD-CS 13
PANEL
V-RST
BOARD
VFD-RESET 14
CN601
S-1
STREAM1 15
(Page 51)
S-2
STREAM2 16
S-3
STREAM3 17
S-4
STREAM4 18
G S-5
STREAM5 19
S-6
STREAM6 20
SW-LED
SW-LED 21
STBY
STBY-LED 22
SIRCS
SIRCS 23
V-DATA
VFD-DATA 24
V-CLK
VFD-CLK 25
LED+9V 26
H
LED-GND 27
I
CN902
5P
FLMD 1
J
4.0V 2
(NC) VSS 3
RESET 4
TOOL 5
30
31
32
2
33
K
MAIN
BOARD
w w w
34
(2/4)
28
(Page
29
39)
26
L
HCD-GT22/GT44/GT55
• See page 36 for Waveforms. • See page 61 for IC Pin Function Description.
4 5 6 7
R996
R994
10k 10k
R992
Q922 Q923
10k 2SC3052EF
0.1 7.8 2SC3052EF
-T1-LEF
7.8 7.8
-T1-LEF
Q921 0.7 0 0
Q921-923
LED DRIVE
(GT55)
R993 R997
R995
(GT22/GT44)
100k 100k 100k
Q908
RT1P431C-TP-1
LEVEL SHIFT
R980 R989
2.2k
10k
0 0.8 ACP
R984
10k
0.6
PROTECT SIRCS
KEY0
R981 V-DATA
10k
MOTER
GT22:E2,E51,MX,AR/
R983
R982
∗
10k GT44:E2,E51,MX,AR/GT55 V-CLK
10k
B-SOL
A-SOL
C905 18p X901 32.768kHz
C904
15p
C912
0.047
X902 20MHz
C902
0.47
C903
0.1
C901
0.047F
R920
5.5V 10
C916
22
25V
9 R914
10k
[8.3]
Q914
KTA1273-Y-AT
[9]
Q911,914
CAPSTAN/REEL MOTOR DRIVE R911
1k
[0.1]
R915
Q911
10k RT1N431C-TP-1
[3.2] MOTOR
[9]
[9]
Q915 Q912,915 R912
0 KTA1271Y-AT TRIGGER PLUNGER DRIVE
1k
(DECK-B)
[0]
[9]
R916
10k
R913
0 B-SOL
[9] 1k
Q912
Q916
0 RT1N431C-TP-1
KTA1271Y-AT
[9]
0 A-SOL
Q913 Q913,916
D911
MC2836 RT1N431C-TP-1 TRIGGER PLUNGER DRIVE
x a o
(DECK-A)
. i
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8 9 10 11
R999
10k
0
Q931
2SC3052EF-T1-LEF
LED DRIVE
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66
33
3.2
81
R988 100k 0.8
82
1k 3.3
R979
83
R990 100
2.7
I-STRCS-IN
84
[3.2]0
NC
85 O-MOTOR
R991 100
3
I-WAKEUPKEY
86 O-NJM3427A2-CLK
0 O-NJM3427A-DATA
87 O-B-SOL
IC901
0
88 O-A-SOL
0
SYSTEM CONTROLLER
89 TOOL0
3.2
90 RESET IC901
0
R901 1.3 uPD78F1165GF(S)-GAS-AX
91 XT2
0.9
92 XT1
0
93 FLMD0
1.5
94 X2
1.1
95 X1
2.5
96 REGC
Q Q
3 7
97 VSS
98 EVSS0
3.2
99 VDD
3.2
100 EVDD0
32
31
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 26 27 28 29 30
(GT44/GT55)
R932
10k
R941
100k
R942 R943
100k
R910
10k
C911 R917
47k
0.47
50V
R918
D903
22k
MC2836
0.9
3.2
R908
47k
0 0 0
R919
47k
Q904
ISA1235AC1TP-1EF
R909
100k
u 1 6 3
y
38 38
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2 4
8 9 9
12 13 14 15
R963 R958 R957
10k 22k 22k
R962
22k
22k
R961
R925 22k
R926 22k
R964
3.3k
R960
C946
C947 0.1 22k
1000p
C943
0.1
65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
3.3
AVREF0 50
O-BIAS 49
3.1
O-REC-MUTE 48
3.2
AVREF1 47
O-REC/PB 46
0
O-AUDIO-CLK 45
0
O-P-DATA 44
3.2
O-USB-TXD(SO) 43
3.3 R956
I-USB-RXD(SI) 42
0
O-F-DATA 41
3.2
O-B-LED 40
0
O-V-LED 39
0
O-G-LED 38
0
O-USB-LED 37
O-LV23004T-DO
3.2
O-STK-MUTE 36
O-LV23004T-CLK
2.9 R954
I-AC-CUT 35
I-LV23004T-DI 100
3.2
6 3 1 5 1 5 0 8 9
I-TUNED 34
0
33
0
32
3.1
31
R953
100
D902
MC2836
R944
100k
100k
R955
22k
R928
4.7k
R929
100
IC902
RESET SIGNAL GENERATOR
IC902
Q903-905
RESET SWITCH
PST3429UL
0
R927 2.9
V-OUT
47k
0.6 3.3
m
VDD
D904
MA111-TX
C950
C948
0.1 0.1
c o
.
2
8 9 9
16 17 18
TAPE REC:3.2 3
2
OTHERS:0
1
BIAS MAIN
BOARD
REC-M
(3/4)
TAPE REC:0
(Page
OTHERS:3.3
REC/PB
40)
A-CLK
P-DATA
SO
100 SI
F-DATA
B-LED
V-LED
G-LED
U-LED
STK-M
T-TUNED
2 4 9 8 2 9 9
T-DO
T-CLK
T-DI
R934
10k
4
Q901,902
C913
+4V REGULATOR
100
25V
MAIN
15 BOARD
(4/4)
(Page
4 10.6
41)
Q901 R921
KTA1271Y-AT 100k
10
R922
10k
Q902 R923
9.5
2SC3052EF-T1-LEF
2.2k
4.5
VSS
NC
4
C908
C914
220
D901
47
16V
16V UDZW-TE17-4.7B