Sony HCD-GZR77D / MHC-GZR77D Service Manual ▷ View online
HCD-GZR77D
69
IC801 BU2099FV (FRONT Board)
IC402 STK415-130-E (POWER AMP Board)
12BIT SHIFT REGISTER
12BIT STORAGE
REGISTER
CONTROL CIRCUIT
L. P
. F
VDD
OE
SO
Q1
1
Q10
Q9
Q8
Q7
Q6
Q5
1
2
3
5
6
7
8
4
10
16
15
14
13
12
11
9
17
18
19
20
VSS
N.C.
DA
TA
CLOCK
LCH
Q0
Q1
Q2
Q3
Q4
OUTPUT BUFFER (Open Drain)
5
6
8 9
10 11
12
13 14
15 16
17
-PRE
-VH
OUT_CH1+
OUT_CH1-
OUT_CH2+
OUT_CH2-
+PRE
SUB
GND
IN-Lch
NF-Lch
STBY
4
-OFF_SET
18 19
NF-Rch
IN-Rch
2 3
-VL
+OFF_SET
1
+VL
7
+VH
HCD-GZR77D
70
• IC Pin Function Descriptions
MAIN BOARD (1/3) IC501
MAIN BOARD (1/3) IC501
μPD78F1105GF(S)-GAS-AX (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1
IIC SCL
O
IIC clock (GC micon) signal output
2
IIC SDA
O
IIC data (GC micon) signal output
3
O-FRONT-MUTE
O
Front speaker output mute (L: mute ON)
4
O-SW-MUTE
O
Subwoofer output mute (L: mute ON)
5
O-TC-REC-REV
I
Tape deck signal input
6
O-TC-B-TRIG
O
Tape deck B trigger plunger control signal output
7
O-EEP-SCL
O
EEPROM communication (Clock) signal output (Not used in this set)
8
O-EEP-SDA
I/O
EEPROM communication (Data) signal input/output (Not used in this set)
9
O-iPod/WM-SW
O
iPod adaptor power supply control signal output (H: power supply) (Not used in this set)
10
O-TC-A-TRIG
O
Tape deck A trigger plunger control signal output
11
O-GC/LCD-RESET
O
LCD reset signal output
12
I-TU-RDS-INT
I
Tuner RDS initial setting signal input (Not used in this set)
13
I-AC-CUT
I
AC cut decision signal input (L: AC cut)
14
O-TC-CAPM-CNT
O
Capstan motor control signal output
15
O-AUDIO_IC-DATA
O
R2A15216FP (IC101) communication (Data) signal output
16
O-AUDIO_IC-CLK
O
R2A15216FP (IC101) communication (Clock) signal output
17
O-TC-REC/PB_SW
O
Tape deck control signal output
18
O-TC-REC-MUTE
O
Tape deck B recording mute signal output
19
O-TC-REC-BIAS
O
Recording bias control signal output
20
EVSS1
—
Ground
21
O-STK-MUTE
O
Front speaker output mute signal output (L: mute)
22
I-iPod/WM-OVER-
CURRENT
I
iPod over-current detect signal input (Not used in this set)
23
I-USB-OVER-
CURRENT
I
USB over-current detect signal input
24
O-DVD-POWER
O
DMB19 Board power supply control signal output
25
O-FRONT-SP-RELAY
O
Front speaker relay control signal output (L: relay ON)
26
O-TU-DI
O
Tuner IC communication (Data: MCU
t TUNER) signal output
27
O-TU-CLK
O
Tuner IC communication (Clock) signal output
28
I-TU-DO
I
Tuner IC communication (Data: MCU
T TUNER) signal input
29
O-TU-CE
O
Tuner IC communication (Chip enable) signal output
30
EVDD1
—
Power supply pin (+3.3 V)
31
I-TU-TUNE
I
Tuner tuned data input
32
I-CDM-OPEN
I
Disc tray open signal input (L: open)
33
I-CDM-TBL-ADR-SW
I
Disc tray position signal input
34
O-CDM-TM-F
O
Disc table motor control signal output
35
O-CDM-TM-R
O
Disc table motor control signal output
36
O-CDM-LM-F
O
Disc tray motor control signal output
37
O-CDM-LM-R
O
Disc tray motor control signal output
38
O-SW-SP-RELAY
O
Subwoofer relay control signal output (L: relay ON) (Not used in this set)
39
O-MTK-A/D-IN-SEL
O
DMB19 Board input audio signal control signal output (L: mic, H: audio)
40
I-ACF-DET
I
AC power supply frequency detect signal input
41
O-MTK-MTRST
O
MTK IC reset signal output (L: reset)
42
I-DVD-XIFS
I
DMB19 Board communication signal input
43
O-MTK-IFBSY
O
DMB19 Board communication (Interface busy) signal output
44
O-MTK-DATA
O
DMB19 Board communication (Data: MCU
t DMB19 Board) signal output
45
I-MTK-DATA
I
DMB19 Board communication (Data: MCU
T DMB19 Board) signal input
46
I-MTK-CLK
I
DMB19 Board communication (Clock) signal input
47
AVREF1
—
Analog reference voltage (+3.3 V)
48
O-FAN
O
Fan motor control signal output (Not used in this set)
49
O-STBY-RELAY
O
Main power relay signal output (H: relay ON)
50
AVREF0
—
Analog reference voltage (+3.3 V)
51
AVSS
—
Analog ground
HCD-GZR77D
71
Pin No.
Pin Name
I/O
Description
52
I-POWER-
MONITOR(ACP)
I
Main power monitor signal input
53
I-MODEL
I
Model identifi cation signal input
54
I-DESTINATION
I
Destination identifi cation signal input
55
DVD-POWER-
MONITOR(3.3V)
I
MTK Board power monitor signal input
56
I-CDM-ENC(E1,E2,E3)
I
Disc tray signal input
57
I-MIC/HP-DET
I
Mic in/headphone signal input
58
I-VACS
I
Tape deck VACS signal input
59
I-ILLUMINATION
I
Audio level signal input for illumination
60
I-TC-STAT(A-HALF/
B-HALF/REC-FWD)
B-HALF/REC-FWD)
I
Tape deck signal input
61
I-VOL
I
Volume signal input
62
I-KEY4
I
Key 4 signal input
63
I-KEY3
I
Key 3 signal input
64
I-KEY2
I
Key 2 signal input
65
I-KEY1
I
Key 1 signal input
66
I-iPod-OPERATION-
MODE
I
iPod micon communication (Operation mode) signal input (Not used in this set)
67
O-iPod-NTSC/PAL
O
iPod micon communication (Color system) signal output (Not used in this set)
68
O-LED-STBY
O
STANDBY LED control signal output (H: light ON)
69
O-S/P-RESET
O
LED control IC reset signal output
70
O-S/P-CLK
O
LED control IC communication (Clock) signal output
71
O-S/P-OE
O
LED control IC communication (Output enable) signal output
72
O-S/P-DATA
O
LED control IC communication (Data: MCU
t Control IC) signal output
73
O-USB-POWER
O
USB power supply control signal output
74
TC-A-SHUT
I
Deck A shut off signal input
75
TC-B-SHUT
I
Deck B shut off signal input
76
O-iPod-DATA(TxD)
O
iPod micon communication (Data: MCU
t iPod micon) signal output (Not used in this set)
77
I-iPod-DATA(RxD)
I
iPod micon communication (Data: MCU
T iPod micon) signal input (Not used in this set)
78
O-iPod-RESET
O
iPod micon reset signal output (Not used in this set)
79
USB-LED-BLUE
O
USB illuminator LED (Blue) control signal output
80
USB-LED-RED
O
USB illuminator LED (Red) control signal output
81
I-SIRCS
I
Remote control signal receiver sircs signal input
82
I-DISPLAY-KEY
I
Display key interrupt signal input
83
I-POWER-KEY
I
Power key interrupt signal input
84
I-TU-RDS-DATA
I
Tuner RDS data signal input (Not used in this set)
85, 86
O-VIDEO-SW-A,
O-VIDEO-SW-B
O
Video output selector (SW-A, SW-B) signal output (L, L: iPod), (L, H: mute), (H, L: VIDEO/
SAT), (H, H: DMB19 Board)
SAT), (H, H: DMB19 Board)
87
O-VIDEO-MUTE
O
Video mute signal output
88
O-VIDEO-I/P
O
COMPONENT VIDEO OUT select signal output (L: progressive, H: interlace)
89
SI/SO
I/O
Data input/output for fl ash programmer
90
RESET
I
System reset signal input
91
XT2
I
Sub system clock signal input (32.768 kHz)
92
XT1
O
Sub system clock signal output (32.768 kHz)
93
FLMD0
I
FL mode setting signal input
94
X2
I
Main system clock signal input (20 MHz)
95
X1
O
Main system clock signal output (20 MHz)
96
REGC
—
Regulator ripple capacitor connecting
97
VSS
—
Ground
98
EVSS
—
Ground
99
VDD
—
Power supply pin (+3.3 V)
100
EVDD0
—
Power supply pin (+3.3 V)
HCD-GZR77D
72
FL BOARD IC800 MB90M407PF-G-154E1 (FL DISPLAY DRIVER)
Pin No.
Pin Name
I/O
Description
1 to 8
16G to 23G
O
Grid drive signal output for the fl uorescent indicator tube
9, 10
P36, P35
O
Segment drive signal output for the fl uorescent indicator tube
11
VSS-IO
—
Ground (for I/O port)
12 to 22
P34 to P24
O
Segment drive signal output for the fl uorescent indicator tube
23
VDD-FIP
—
Power supply pin (+3.3 V) (for the fl uorescent indicator tube)
24 to 41
P23 to P6
O
Segment drive signal output for the fl uorescent indicator tube
42
VSS-IO
—
Ground (for I/O port)
43 to 47
P5 to P1
O
Segment drive signal output for the fl uorescent indicator tube
48
VKK
—
Power supply pin (-33 V) (for the fl uorescent indicator tube)
49
MD0
I
Setting pin for the CPU operational mode
50
MD1/VDD-VFT
I
Setting pin for the CPU operational mode
51
MD2
I
Setting pin for the CPU operational mode
52 to 54
(NO USE)
O
Setting pin for the CPU operational mode
55
(NO USE)
O
Not used. (Open)
56
(NO USE)
O
Setting pin for the CPU operational mode
57 to 59
(NO USE)
O
Not used. (Open)
60
I2C DATA
I/O
Data input/output with IIC communication between the system control IC and display control
IC
IC
61
I2C CLOCK
I/O
Clock signal input/output with IIC communication between the system control IC and display
control IC
control IC
62
AVCC
—
Power supply pin (+3.3 V) (for A/D conversion)
63
AVSS
—
Ground (for A/D conversion)
64 to 76
(NO USE)
O
Not used. (Open)
77
RESET
I
System reset signal input from the system control IC (L: reset)
78 to 80
(NO USE)
O
Not used. (Open)
81
VSS-CPU
—
Ground (for CPU)
82
X0
O
System clock signal output (4 MHz)
83
X1
I
System clock signal input (4 MHz)
84
VCC-CPU
—
Power supply pin (+3.3 V) (for CPU)
85
(NO USE)
O
Not used. (Open)
86 to 100
1G to 15G
O
Grid drive signal output for the fl uorescent indicator tube
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