Sony HCD-GT55 - Block Diagram - Main Section

HCD-GT22/GT44/GT55
2424
HCD-GT22/GT44/GT55
7-2. BLOCK DIAGRAM – MAIN Section –
R-CH
HP IN
B
CD-L
A
T001
BIAS OSC
MUTING
Q305
HRPE1
(REC/PB/ERASE)
(DECK-B)
HP1
(PB)
(DECK-A)
L-CH
R-CH
R-CH
L-CH
R-CH
R-CH
R-CH
R-CH
MUTING
Q307
MUTING CONTROL
SWITCH
Q305, 306
MUTING
Q401, 403
R-CH
MUTING
CONTROL SWITCH
Q407
REC CONTROL
SWITCH
Q409, 410
R-CH
REC AMP
IC401
PB AMP
IC301
ERASE
BIAS OSC
Q453
REC SWITCH
Q405
PB SWITCH
(DECK-B)
Q303
REC BIAS
SWITCH
Q454, 455
AUDIO
+9V
R-CH
PB SWITCH
(DECK-A)
Q301
R-CH
+
DECK-A/B
SELECT SWITCH,
REC/PB
SELECT SWITCH
Q408
TUNER (FM/AM)
AM
FM ANT
AM ANT
TUNER-L
TUNER-R
PLL DO
R-CH
PLL DI
PLL CLK
PLL CE
FM75Ω
(COAXIAL)
ANTENNA
AUDIO
J802
31 I-LV23004T-DI
TUNED
34 I-TUNED
39 TAPE-L
1 TUNER-L
2
5
LIN
DATA
6
CLK
16
DATA
15
CLK
2
10
AUX-L
37 MIX2
11 VOL IN-LTONE OUT-L 14OUT-L
9LOUT
40 CD-L
O-BIAS
33 O-LV23004T-DO
32 O-LV23004T-CLK
28 O-LC72121-CE
49
O-REC/PB
46
O-REC-MUTE
48
O-F-DATA
41
4
SAOUT
I-STREAM
67
O-AUDIO-CLK
45
O-P-DATA
44
I-HP/MIC
58
12BB12
13BB22
D
SW OUT
C
OUT
E
BASS AGC
3REC OUT-L
I-VACS
I-TAPE-STAT
59
D213 D211
BAND-PASS
FILTER
Q111, 112
+4.1V
REGULATOR
Q701
+
R-CH
R-CH
M+9V
BASS AGC
Q113
BUFFER
Q702
D031
3
PARAMETRIC EQUALIZER
IC102
(GT55)
(GT22/GT44)
INPUT SELECTOR, TONE CONTROL,
ELECTRICAL VOLUME
IC103
CAMP+
M
TAPE MECHANISM
DECK BLOCK
A-HALF
B-SOL
B-HALF
A-PHOTO
B-PHOTO
B-REC-F
CAPSTAN/REEL
MOTOR DRIVE
Q911, 914
TRIGGER PLUNGER
DRIVE (DECK-B)
Q912, 915
60
O-B-SOL
87
A-SOL
TRIGGER PLUNGER
DRIVE (DECK-A)
Q913, 916
O-A-SOL
88
O-MOTOR
85
I-RELL-A
78
I-RELL-B
79
SYSTEM CONTROLLER
IC901 (2/4)
: TUNER (FM/AM)
: CD PLAY
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: TAPE PLAY (DECK-A)
: TAPE PLAY (DECK-B)
: MIC
: TAPE REC
: AUDIO IN
(GT44/GT55)
(GT22: E2, E3, E13, E51, MX, AR/GT44: E2, E3, E13, E51, MX, AR/GT55)
AUDIO+9V
J801
MIC
RV801
MIC LEVEL
MUTING
Q801
MIC AMP
IC801 (1/2)
MIC AMP
IC801 (2/2)
4
L+R SIGNAL
D-LIGHT B+
D-LIGHT
SYNC OUT
J701
• Abbreviation
AR : Argentina model
E2 : 120V AC Area in E model
E3 : 240V AC Area in E model
E13 : 220V - 230V AC Area in E model
E51 : Chilean and Peruvian models
MX : Mexican model
(Page 23)
(Page 25)
(Page 25)
(Page 25)
(Page 25)
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com