Sony HCD-GTR88 / MHC-GTR88 Service Manual ▷ View online
HCD-GTR88
HCD-GTR88
17
17
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAM - RF SERVO, USB Section -
REC/PLAY B
OPTICAL PICK-UP
BLOCK
(KHM-313CAB)
RF AMP, SERVO DSP,
AUDIO PROCESSOR
IC101
SYSTEM
CONTROLLER
IC401 (1/4)
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC201
AUTOMATIC POWER
CONTROL
Q102-1
RF_IP
125
RF_C
3
RF_B
2
RF_A
1
RF_D
4
RF
VOA/A
VOB/B
VOC/C
VOD/D
VOD/D
RF_F
6
VOE/E+G
RF_E
5
VOF/F+H
V2O
12
VC
LDO1
17
LD (780)
AUTOMATIC POWER
CONTROL
Q102-2
LDO2
18
LD (650)
FOO
25
CD ON
SWITCH
Q101-1
CD ON
SWITCH
Q101-2
VR (780)
MSW
GPIO
23
118
VR (650)
FCS+
MSW
MDI1
15
MDI2
16
PD
LIMIT SW
Q103
SF_CS#
CS_
SD-RAM
IC104
X101
27MHz
36
FCS–
37
1
TRO
24
TRK+
35
TRK–
34
4
FMO
21
SL+
29
SL–
30
10
DMO
20
SP+
27
SP–
28
31
32
32
41
46
47
47
13
SPFG/OPINN
128
45
GPIO
GPIO
GPIO
GPIO
GPIO
120
DG0, DQ1 – DQ15
RD0 – RD15
A0 – A11
RA0 – RA11
2, 4, 5, 7, 8, 10, 11, 13, 42,
44, 45, 47, 48, 50, 51, 53
45 – 49, 51 – 53,
64 – 61, 56 – 59
82, 83, 85, 86,
74 – 69, 81, 67
23 – 26,
29 – 34, 22, 35
36
XT
ALI
9
1
SF_CK
SCK
39
6
BA0
BA0
78
20
BA1
BA1
80
21
RCLK
CLK
66
38
DQM0
LDQM
55
15
DQM1
UDQM
65
39
RAS#
RAS
77
18
CAS#
CAS
76
17
R
WE#
WE
75
16
: CD PLAY
: AUDIO
: AUDIO
: USB
FOCUS
COIL DRIVE
TRACKING
COIL DRIVE
SLED
MOTOR DRIVE
SPINDLE
MOTOR DRIVE
REGULATOR
GPIO
MUTE123
116
19
6
7
MUTE4
MUTE4
22
20
GPIO
TSD-M
94
22
IOPMON/
OPINP
OPINP
127
40
8
PS 21
BUFFER
BUFFER
RF +3.3V
REGO2
REGO1
REGO2
REGO1
FLASH ROM
IC102
XT
ALO
10
L-OUT
115
119
119
GPIO
114
GPIO19 106
VINL
14
13
VINR
BCK
7
LRCK
6
8
SCKI
A/D CONVERTER
IC4601
9 DOUT
R-CH
USB CONTROLLER
IC1501
31 USBUP_DP
30 USBUP_DM
AOUT-L
5
8
AOUT-R
D/A CONVERTER
IC4602
1 SDATA
2 SCLK
3 LRCK
4 ACLK
3 LRCK
4 ACLK
USB_DP 27
R-CH
USB_DM 28
SO
2
SI
5
SF_DO
37
SF_DI
38
PRST# 43
CD MECHANISM
DECK
M1-
M2+
M2-
M2-
M1+
M1+ 23
M1- 25
M2+ 24
M2- 26
MOTOR
DRIVE
Q645 - 648
MOTOR
DRIVE
Q640, 641,
Q643, 644
SW3
SW2
SW7-CHACK
SW2
SW7-CHACK
SW1
SW1 21
SW3 22
SW2 18
SW3 22
SW2 18
SW-CHUCK 19
SW5-STOCK
SW8-OPEN
SW6-CLOSE
SW-STOCK 6
SW-CLOSE 7
SW-CLOSE 7
SW-OPEN 5
2
USBDN1_DP
1
USBDN1_DM
50
MTK-OC2
CN1001
3
2
1
D+
D–
47
MTK-OC1
VBUS
VBUS OVER
CURRENT DETECT
IC1500
4
USBDN2_DP
3
USBDN2_DM
3
2
1
D+
D–
VBUS
MTK-RST
38
MTK-TXD
35
MTK-RXD
36
MTK-CLOCK
37
MTK-XIFCS
34
MTK-BUSY
39
IFSDI 35
IFSOD 41
IFSCK 40
IFCS# 88
IFBSY 87
IFBSY 87
HUB_RST
45
VBUS_DET
44
VBUS_DET
27
RESET_N
26
X1500
24MHz
XTAL1/
CLKIN
CLKIN
33
XTAL2
32
USB +5V
PLAY A
CN1000
SIGNAL PATH
R-CH is omitted due to same as L-CH.
OPOUT
126
1
7
3
5
A (Page 18)
B (Page 18)
USB RECORD PREAMP
7
5
IC251
HCD-GTR88
HCD-GTR88
18
18
6-2. BLOCK DIAGRAM - MAIN Section -
R-CH
TUNER (FM/AM)
AM
FM ANT
AM ANT
ST-L
ST-R
ST-DOUT
R-CH
R-CH
(E4)
R-CH
ST-DIN
ST-CLK
ST-CE
FM 75
:
COAXIAL
ANTENNA
TUNED
54 ST-TUNED
43 ST-L
56 ST-R
42 TAPE L
1 TAPE R
R-CH
3 CD-R
36 REC BL
7 REC BR
21
DA
TA
22
CLK
44
30
PC-L
46 MIC
29 VOLINL
TONEOUTL
26
(SW OUTL)
R-CH
55 PC-R
40 CD-L
46 ST-DOUT
51 ST-CLK
53 ST-CE
53 ST-CE
R2A15216FP-DA
TA
58
TC REC MUTE
41
TC ST
ATE
72
9
SA2
POWER ILLUMINA
TOR
69
VACS IN
70
R2A15216FP-CLK
57
HP/MIC DET
66
25
20
AGC OUTL
(SW OUTR)
AGC OUTR
OUTL
6
RECAR
28
BB1L
37
RECAL
BAND-PASS
FILTER
Q210
27
19
17
18
BB2L
BB2R
BB1R
BB1R
OUTR
BASS AGC
Q128
BASS AGC
Q178
D104
D201
D116
INPUT SELECTOR,
ELECTRICAL VOLUME
IC400
SYSTEM CONTROLLER
IC401 (2/4)
: AUDIO
SIGNAL PATH
R-CH is omitted due to same as L-CH.
: TUNER (FM/AM)
J700
MIC
RV700
MIC LEVEL
IC700 MIC AMP
52 ST-DIN
PC_R
PC_L
J020
PC IN
L-OUT
REC-L
HP DET
OUT
SW OUT
BASS AGC
: MIC
: TAPE (PLAY)
: TAPE (REC)
R-CH
R-CH
R-CH
1
3
7
5
R-CH
Q063
5
7
R-CH
L501
S501
IC502
IC501
OP AMP
OP AMP
MUTE
SW
Q062
MUTE
SW
BIAS OSC
Q501, 502
Q501, 502
R-CH
EH
VREF
SW
L-CH
TAPE DECK
A
(Page 17)
13
X-OUT
15
X-IN
X402
8MHz
11
XC-OUT
10
XC-IN
X401
32.768kHz
Abbreviation
E4 :
E4 :
African
model
C (Page 19)
B (Page 17)
D (Page 19)
E (Page 19)
F (Page 19)
G (Page 20)
7
5
HCD-GTR88
HCD-GTR88
19
19
6-3. BLOCK DIAGRAM - AMP Section -
R
L
SW PREAMP
IC255
7
5
SW PREAMP
IC254
7
5
SW PREAMP
IC253
7
5
FR PREAMP
IC252
POWER
AMP
IC1300
IC800
AMP
POWER
MUTING
Q270
OVER LOAD
DETECT
Q1301
OVER LOAD
DETECT
Q1300
OVER LOAD
DETECT
Q850
OVER LOAD
DETECT
Q800
R-CH
MUTING
Q245
MUTING
CONTROL
Q290
MUTE
Q1309, Q1308
LINE MUTE
63
STK MUTE
PROTECT
CONTROL
FAN HIGH SPEED
60
16
15
11
6
4
18
11
SW SPK RELA
Y
48
FAN MOTOR
DRIVE
Q602
RY1300
+
–
–
+
+
RY862
D1036
TH1301
M
M101
(DC FAN)
M
M101
(DC FAN)
PHONES
SUBWOOFER
RELAY
DRIVE
Q031
FR SPK RELA
Y
43
RELAY
DRIVER
Q032
FAN SW
Q600
R-CH
J702
SYSTEM CONTROLLER
IC401 (3/4)
: AUDIO
SIGNAL PATH
R-CH is omitted due to same as L-CH.
DC
DETECT
Q1302, Q1303
THERMAL
DETECTOR
Q1305, Q1307
R
L
FRONT
SPEAKER
TB1300
+
–
–
+
+
R
L
SATELLITE
SPEAKER
TB1301
59
BASS AGC
HP DET
OUT
SW OUT
RELAY
DRIVER
Q030
MUTING
Q220
14
8
C
(Page 18)
F
(Page 18)
D
(Page 18)
E
(Page 18)
+
–
+
–
TB801
H
61
1
3
MUTING
Q295
PROTECT
DETECT
Q1304, 1306
(Page 20)
R-CH
R-CH
R-CH
R-CH
R-CH
RELAY
DRIVER
Q033
HCD-GTR88
HCD-GTR88
20
20
6-4. BLOCK DIAGRAM - DISPLAY, POWER SUPPLY Section -
5
4
REMOTE CONTROL
RECEIVER
IC1100
FL1100
FLUORESCENT
INDICATOR
TUBE
94 SW/USB CTRL
FLUORESCENT INDICATOR
TUBE DRIVER
IC1101
SYSTEM CONTROLLER
IC401 (4/4)
RECT
D1201, 1202
LED-VOL1. 2
LED-VOL3. 4
LED-VOL5. 6
LED-VOL3. 4
LED-VOL5. 6
S1100 – 1109,
S1110 – 1119,
S1124 – 1133,
S1302
75
STBY RELAY
RESET SWITCH
Q350, 351
D351
D571
D+3.3V
+1.8V
71
OVERVOLTAGE
20
AC CUT
12
RESET
87 MASTER VOL
SG5/KS5 –
SG24/KS24
SG24/KS24
14 – 33
D1105 – 1107, SEL A
D1108 – 1110, SEL B
D1108 – 1110, SEL B
(STREAM)
LED DRIVE
Q1122
86 USB-LED CTRL
LED DRIVE
Q1121
D1104
SUBWOOFER
95 STBY LED
AD KEY0
4 SIRCS
D1011
I/1
STANDBY
ROTARY
ENCODER
MASTER
VOLUME
VOLUME
S1301
DIN
FL-DRIVER-DATA
2
2
CLK
FL-DRIVER-CLK
1
1
STB
FL-DRIVER-CS
3
100
88
91
90
91
90
74
97
89
85
97
89
85
POWER/DISPLAY-KEY
AD-KEY0
AD-KEY1
AD-KEY2
AD-KEY0
AD-KEY1
AD-KEY2
(AC IN)
RY1200
RELAY
DRIVE
Q1200
Q1200
VOLTAGE
SELECTOR
S1200
FAN
+12V
D1250
M+9V
F1254
RECT
D600
F1252
F1253
F1253
F1250
F1251
F1251
RECT
D1300
LED+9V
+4V
REGULATOR
Q352-354
LED SEL A,
LED SEL B
CD MOTOR B+
REGULATOR
Q655 – 658
27
2
1
CDM-SD
JOG B+
3
AD SUPPLY SW
B+ SWITCH
Q400, 500
–32V
REGULATOR
Q1250
AMP
SECTION
B+
FOR
FLUORESCENT
INDICATOR
TUBE
–VG
VF
VF
VF
PT1200
SUB POWER
TRANSFORMER
PT1250
MAIN POWER
TRANSFORMER
VCC +3.3V
EVER +3.3V
+VH
–VH
–VH
D1002, 1003
(E2, E51, E4)
(MX, AR, AUS)
AC DETECT
GR1 – GR14
34 – 47
LED DRIVE
Q1118 – 1120
USB B
D1000
USB A
USB A
+5V
REGULATOR
IC065
49
MTK OE
USB +5V
M +5V
+5V
REGULATOR
Q360
B+ SWITCH
Q300 – 303
82
METER PTR
LED
LED
METER
DISPLAY
BLOCK
AC CUT
DETECTOR
D1203
83 METER BL CTL
LED DRIVE
Q230
LED SEL A
LED SEL B
LED SEL B
LED
LED DRIVE
Q582
81 METER SW
77 METER-IN4
78 METER-IN3
80 METER-IN2
METER-IN1
79
+9V
SWITCH
Q684
M+9V
(E4)
RECT
D1301
+VL
–VL
–VL
POWER
CONTROL
Q090
SW DRIVER
Q681
76
TC_M+9V SW
+12V
REGULATOR
IC040
M+9V
UNREGULATE
H
Abbreviation
AR :
AR :
Argentina
model
E2 : 120V AC area in E model
E4 :
E4 :
African
model
E51 : Chilean and Peruvian models
MX : Mexican model
AUS : Australian model
MX : Mexican model
AUS : Australian model
1
2
D623, 624
A+9V
AVDD +5V
DVDD +5V
RF+3.3V
+5V
REGULATOR
Q696
2
1
3.3V
REGULATOR
IC107
F1255
(Page 19)
G
(Page 18)
+9V
REGULATOR
IC055
I
O
+3.3V
REGULATOR
IC075
+9V
REGULATOR
IC200
2
1
+1.8V
REGULATOR
IC111
8
1
Click on the first or last page to see other HCD-GTR88 / MHC-GTR88 service manuals if exist.