Sony HCD-GN880 / MHC-GN880 Service Manual ▷ View online
HCD-GN880
29
29
HCD-GN880
7-3. BLOCK DIAGRAM – TUNER/TAPE SECTION –
TAPE L-CH
TEST
CONNECTOR
CN510
R-CH
R
L
C
MAIN
SECTION
(Page 30)
TUNER L – CH
F
MAIN
SECTION
(Page 30)
D
MAIN
SECTION
(Page 30)
E
MAIN
SECTION
(Page 30)
PB
HEAD
DECK-A
DECK-B
TC BLOCK
75
BIAS OSC
Q112
A TRIG
DRIVE
R-CH
FM/AM TUNER UNIT
CN509
ANTENNA
ST-L
FM ANT
FM ANT
AM ANT
AM ANT
ST-R
ST-MUTE
STEREO
TUNED
ST-DOUT/MC-DIN
ST-DIN/MC-DOUT
ST-CLK
ST-CE
FM 75
Ω
COAXIAL
CAP M+
BTRGM+
ATRGM+
AHALF
BHALF
APLAY
BPLAY
B PHOTO OUT
A PHOTO OUT
A PHOTO OUT
REC(FWD)
REC(REV)
CAPM-CTRL
B-TRIG
A-TRIG
TC-RELAY
A-HALF
B-HALF
A-PLAY
B-PLAY
B PHOTO OUT
A PHOTO OUT
A PHOTO OUT
REC (FWD)
REC (REV)
REC-MUTE
TC-MUTE
REC MUTE
AM
A
B
ST-MUTE
STEREO
TUNED
TUNED
ST-DIN
ST-DOUT
ST-CLK
ST-CE
ST-CE
BIAS
TRAP
SWITCH
DRIVE
Q107, 108
SWITCH
DRIVE
Q110, 111
76
78
79
80
32
63
58
REC BIAS
60
55
90
89
56
51
91
53
59
52
B TRIG
DRIVE
57
CAP MOTOR
DRIVE
54
88
87
86
82
85
83
84
PB OUT1
TAI1
R-CH
R-CH
Q166
Q154, 155
Q109
L – CH
R – CH
R-CH
C174, L104
TC +9V
REC/PB
HEAD
ERASE
HEAD
DECK A/B SELECT
PB/REC EQUALIZER AMP
IC101 (1/2)
Q113,114
T101
Q122, 123
Q118, 119
Q120,121
SYSTEM CONTROL
(CD/TAPE MECHANISM CONTROL)
IC401(2/4)
L – CH
R – CH
MUTE
Q103
MUTE
Q175
MUTE DRIVE
Q509, 510
MUTE DRIVE
Q514, 515
• R-ch is omitted due to same as L-ch.
• Signal path
• Signal path
K : TUNER (FM/AM)
E
E
: PLAYBACK (DECK A)
d
: PLAYBACK (DECK B)
G
: RECORD
HCD-GN880
30
30
HCD-GN880
7-4. BLOCK DIAGRAM – MAIN SECTION –
–
AUDIO1–DATA
AUDIO1–CLK
65
61
39
66
M891
(FAN)
(FAN)
+
–
+
–
+
–
–
+
FRONT
SPEAKER
L
R
L
R
PHONES
J851
RY646
VL (AC)
SYSTEM CONTROL
IC401 (3/4)
CD L-CH
A
CD SECTION
(Page 28)
TAPE L-CH
C
TUNER L-CH
F
TUNER/TAPE DECK
SECTION
(Page 29)
TUNER/TAPE DECK
SECTION
(Page 29)
E
TUNER/TAPE DECK
SECTION
(Page 29)
TM602 (1/2)
TM601 (1/2)
TM602 (2/2)
TM601 (2/2)
D654
D655
FAN MOTOR
DRIVE
Q851, 852
FAN MOTOR
ON SWITCH
Q629
OVER LOAD
DETECT SWITCH
Q648
OVER LOAD
DETECT
Q668, 618
M
HEADPHONE MUTING
Q640, 641
MUTING CONTROL
SWITCH
Q634, 682
RY665
JW691
+
+
TH629
TH630
D760
+
D627
MUTING
Q570
MUTING CONTROL
SWITCH
Q505, 506
STANDBY
SWITCH
Q604, 606, 610
R-CH
D624
R-CH
R-CH
28
27
34
35
TONE/
VOLUME
CONTROL
SOUND
CONTROL
CIRCUIT
INPUT
SELECT
SWITCH
R-CH
R-CH
INPUT SELECT SWITCH,
TONE CONTROL,
ELECTRICAL VOLUME
IC101 (2/2)
4
3
1
59
DATA
AMS
CLOCK
6
2
29
10
8
+
CPU
INTERFACE
R-CH
J501
L
R
VIDEO/MD
(AUDIO) IN
R-CH
RV801
J850
J504
L
R
GAME
INPUT
REC L-CH
SPEANA
D
TUNER/TAPE DECK
SECTION
(Page 29)
H
DISPLAY SECTION
(Page 31)
MIC
AUDIO
VIDEO OUT
VIDEO
J801
MIC AMP
IC850 (1/2)
FEED BACK
SWITCH
Q101
SURROUND
SPEAKER PROTECT
RELAY DRIVE
Q666
FRONT SPEAKER
RELAY DRIVE
Q644, 647
POWER AMP
IC600
OVER CURRENT
PROTECTOR
IC627
MIC
LEVEL
MIC AMP
IC850 (2/2)
+
SUB WOOFER
OUT
J700
RY760
CN504
AD-KEY
VOLUME
SW-MATRIX-SURR-1-LED
SW-LINK-LED
SW-ON-LED
SW-MATRIX-SURR-2-LED
SUB WOOFER
PROTECT
RELAY DRIVE
Q762, 764
SYSTEM
CONTROL
OVER LOAD
DETECT
Q730, 780
78
FR RELAY
72
REAR/SW-RLY
34
LINE MUTE
77
LINK-RELAY
79
HP MUTE
33
HP DET
81
PROT
69
AC CUT MAIN
94
THERMAL VACS
80
STK-MUTE
TEMPERATURE
DETECT SWITCH
Q628, 630
7
9
4
10
2
WOOFER AMP
IC801
POWER AMP
IC700
STANDBY
SWITCH
Q720-722
2
TXD1
REC MUTE
STB
XTCN
RESET
3
RTS1
6
CLK1
31
35
36
37
38
95
100
SW MUTE
EVER +4V
CNVSS
TCN/
MICDET
MICDET
AMS-IN
AMS MUTE
SW-MATRIX-SURR-1-LED
SW-MATRIX-SURR-2-LED
SW-LINK-LED
SW-ON-LED
SW AD KEY
CNVCC
9
7
RXD1
9
RESET
ON BOARD
PROGRAM
MCU VCC
CN VSS
5
8
CN512
53
25
14
18
11
10
8
9
12
4
3
+
CT
OUT
1 OCP
2 VP
BIAS
Q721
Q402
4
5
6
8
7
15
17
14
EQ
B
CD
SECTION
(Page 28)
G
DISPLAY
SECTION
SECTION
(Page 31)
D501
AMS AMP
Q115-117
DRIVE
Q124, 526, 527
14
JW681
SURROUND
SPEAKER
1
7
6
2
3
4
5
8
9
1
2
4
5
6
7
8
• R-ch is omitted due to same as L-ch.
• Signal path
• Signal path
F
: TUNER (FM/AM)
E
: TAPE PLAY
G
: REC
J
: CD PLAY
q
: VIDEO/MD (AUDIO) IN
j
: GAME INPUT (AUDIO)
k
: GAME INPUT (VIDEO)
N
: MIC INPUT
HCD-GN880
31
31
HCD-GN880
7-5. BLOCK DIAGRAM – DISPLAY/POWER SECTION –
FL901
FLUORESCENT
INDICATOR TUBE
6 – 10, 12 – 22,
24 – 41, 43 – 47
6 – 1, 100 – 87,
85
P1 – 39
G1 – 19,
G21
64 – 66
SUPER LOW
FREQUENCY (BPF0)
FREQUENCY (BPF0)
1
BPF, RECT
IC903
67
68
16
2
15
69
71
48
86
72
ALL BAND
BPF1
BPF3
IN2
IN1
VKK
SELECTOR
G20
G20
G1 – 19, 21
13
17
80 VOL 1A
79 VOL 1B
ROTARY
ENCODER
S970
VOLUME
74 JOG B
75 JOG A
ROTARY
ENCODER
S957
MULTI JOG
76 AMS
ROTARY
ENCODER
S916
. >
X
MAIN
SECTION
(Page 30)
H
MAIN
SECTION
(Page 30)
G
SPEANA
P1 – 39
VF1
VF2
VF2
D905
-VG
(-32V)
X901
4MHz
83 XIN
82 XOUT
52 – 57
LED DRIVE
Q911 – 916
D907, 909, 911
D914, 916, 918
D920, 922, 924
D914, 916, 918
D920, 922, 924
D906, 908 – 910
D912, 915, 917,
D919, 921, 923
D912, 915, 917,
D919, 921, 923
M+9V
Q905
Q907
Q904
Q906
D925
KEY2
|
KEY0
S924 – 932, 918 – 922
S905 – 911, 917
S901 – 904, 912 – 915
S905 – 911, 917
S901 – 904, 912 – 915
60
IIC DATA
61
IIC CLK
77
RESET
30 IIC-DATA
29 IIC-CLK
75 GC-RESET
74 POWER-KEY
73 DISPLAY-KEY
S932
S900
DISPLAY
76 STBY-LED
4 SIRCS
RESET
X502
16MHz
15 X-IN
13 X-OUT
X501
32.768kHz
10 XC-IN
11 XC-OUT
40
CD/DVD-POWER
SYSTEM CONTROL
IC401 (4/4)
70
STBY-RELAY
12
RESET
20
AC-CUT
B+ SWITCH
Q501, 502
RECT
D763
D763
M +9V
MT +7V
A +9V
TC +9V
D907 – 908
D660, 661
+9V
REGULATOR
IC503
+9V
REGULATOR
IC502
+3.3V
REGULATOR
IC504
+3.3V
LEVEL
DETECT
IC301
D504
SWITCHING
REGULATOR
LED DRIVE
Q917
RECT
D658
D658
RECT
D656
D656
+VL
VL(AC)
F699
VL
VL
VH
VH
VP
VF
VF
AC3
AC4
NC
NC
AC4
AC3
GND
F698
F697
F696
F760
R699
–VL
+VH
–VH
– 33V
REGULATOR
Q664
POWER ON/OFF
RELAY DRIVE
Q1000
– VG
(-32V)
D699
RECT
RECT
VF1
VF2
RY1000
AC IN
T601
POWER
TRANSFORMER
RESET
SWITCH
Q301
REMOTE CONTROL
RECEIVER
IC902
TO FLUORESCENT
INDICATOR TUBE
FL901
EVER +4V
E2, E3, E51
AUS, MX
DISPLAY CONTROL
KEY CONTROL
IC901
BUFFER
Q901
70 BPF2
14
1
2
S1000
S1000
230 – 240V
|
220V
|
120V
VOLTAGE
SELECT
• Abbreviation
E2
: 120 V AC Area in E model
E3
: 240 V AC Area in E model
E51
: Chiri and Peru model
MX
: Mexican model
AUS
: Australian model
HCD-GN880
32
32
HCD-GN880
7-6. PRINTED WIRING BOARD – BD SECTION –
• See page 26 for Circuit Boards Location.
C10
C260
C14
C15
C16
C18
C11
R405
C316
R354
R353
R352
R351
R302
R253
C315
R191
R172
R171
R162
R313
X171
R121
R12
R11
R10
Q10
C116
C312
C184
C183
C303
C302
C305
C259
C258
C257
C255
C203
C196
C195
C201
C182
C171
C172
C308
C151
C134
C125
C314
C123
R165
R13
C17
FB301
C318
R201
C174
R173
R205
C209
C210
12
(12)
1-860-502-
BD BOARD (SIDE A)
E
R419
R412
R411
R410
R409
R408
R407
R406
R404
R403
R402
1
R401
R305
R303
R301
R252
JPO103 (TE1)
JPO102 (FE1)
TP117
(VC)
TP124
(RFAC)
R251
R182
R181
R163
R151
R143
R142
R141
R133
R132
R131
R114
R113
R112
R111
R307
C313
C311
C310
C309
C307
C306
IC251
C252
C251
C194
C181
C320
S101
(LIMIT)
(LIMIT)
IC101
C163
C162
C143
C142
C141
C133
C132
C131
C124
C111
C122
C115
C114
C113
C112
IC301
C185
C186
R306
CN101
IC303
CN201
C206
36
28
27
19
1
9
10
18
C317
R203
R161
C161
C211
C212
R204
C213
1
3
4
5
M101
SPINDLE
MOTOR
M102
SLED
MOTOR
M
M
BD BOARD (SIDE B)
12
(12)
1-860-502-
OPTICAL PICK-UP
BLOCK
(KSM-215DCP)
A
MAIN
BOARD
(Page 36)
16
17
32
49
48
64
1
33
27
2
3
4
5
6
7
8
9
10
A
1
B
C
D
E
F
Ref. No. Location
IC101
D-8
IC251
C-6
IC301
C-8
IC303
B-8
Q10
E-4
• Semiconductor
Location
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