CDX-GT21W/GT210/GT260/GT260S
SECTION 4
DIAGRAMS
4-1. BLOCK DIAGRAM — MAIN SECTION —
J901
AUX
J1
(ANTENNA)
TU1
(TUNER UNIT)
1 ANT | 4 | |
| 3 |
|
|
|
| ||
|
|
|
| ||
AUDIO 8.3V |
| 10 | VCC (8.3V) |
|
|
|
|
| |||
TU+5V |
| 11 |
| ||
|
| ||||
B.U 3.3V |
| 15 | QUALITY | 5 | |
| |||||
|
|
|
| ||
|
|
|
| 6 | |
|
|
|
| 7 | |
|
|
|
| 16 | |
|
|
|
|
AUX BUFFER
IC901
3 | + |
14 | + |
| |
10 | + |
QUALITY
VSM
TUATT
ELECTRONIC VOLUME
IC401
|
|
|
|
|
|
|
|
|
| POWER AMP/MULTIPLE |
|
|
|
| |
1 | 10 |
|
|
|
|
|
|
| VOLTAGE REGULATOR |
|
|
|
| ||
7 |
|
|
|
|
|
|
|
| IC750 |
|
| CN601 |
| ||
|
|
|
|
|
|
|
|
|
|
|
| ||||
12 | 20 FIL |
|
|
|
|
|
|
|
|
|
|
|
| ||
13 |
|
|
|
| 12 | 5 |
| 1 | FL+ | ||||||
|
|
|
|
|
|
|
| ||||||||
|
|
|
|
|
|
|
| 9 | |||||||
8 | 8 | DN1 |
|
|
|
| 11 | 3 |
| FL– | |||||
|
|
|
|
|
|
|
|
| |||||||
| 9 | DN2 |
|
|
|
|
| 9 |
| 2 | RL+ | ||||
|
|
|
| MUTE | MUTE |
|
|
| |||||||
|
|
|
|
|
| 7 |
| 10 RL– | |||||||
| 4 |
| Q441 | Q461 |
|
|
| ||||||||
3 | MUTE | 16 | VOLATT |
|
|
|
|
|
|
|
| 4 |
| ||
|
|
|
|
|
|
|
| FR+ | |||||||
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
| SCL | 17 |
|
|
|
|
|
|
|
| 12 | ||
|
|
| SDA 18 |
|
|
|
|
|
| 3 | FR– | ||||
| 6 |
|
|
|
| D479 |
|
|
|
|
|
| 11 RR+ | ||
5 |
|
|
| MUTE DRIVE |
|
|
|
|
|
|
| RR– | |||
|
|
|
| BATT |
|
|
|
|
|
| |||||
|
|
| Q478,479 |
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
| 4 | SCL |
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| 6 | ||||
|
| SYSTEM CONTROL |
|
|
|
| 2 | SDA |
| ||||||
|
|
|
|
|
|
|
| ||||||||
|
| IC501 (1/2) |
|
|
|
|
|
|
|
|
| FU601 | 16 BATT | ||
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
| I2C_CKO 33 |
|
|
|
|
| VP 35 |
| |||||
| 38 | QUALITY | I2C_SIO | 34 |
|
|
|
|
|
|
| BATT |
|
| |
|
| D511 |
|
|
|
|
|
|
|
| |||||
| 39 | VSM | VOL ATT | 9 |
|
|
|
|
| B.UP+B 37 | B.U+3.3V |
|
| ||
|
|
|
|
|
|
|
|
| |||||||
| 12 | TU ATT |
|
|
|
|
|
|
|
| BU 3.3V |
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
| 25 | EEP_CKO | ATT | 86 |
|
|
|
|
|
| AUDIO8.3V 30 | AUDIO 8.3V |
|
| |
| BEEP | 5 |
|
|
|
| 16 BEEP |
|
| ||||||
| 24 | EEP_SIO |
|
|
|
| SERVO3.3V 31 | SERVO3.3V |
|
| |||||
| AMPSTB 26 |
|
|
|
| 22 STB |
|
| |||||||
|
|
|
|
|
|
| MECHA6V 33 | MECHA6V |
|
| |||||
|
|
| DIAG | 8 |
|
|
|
| 25 DIAG | PANEL+B 34 | PANEL+B |
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
CD
MECHANISM
UNIT
CNP301
11 AU_LCH
15AU_RCH
22UNI_SO
24UNI_SI
26UNI_CLK
16Z_MUTE
5 CD_ON
7 CDM_ON
6SYS_RST
21 EJECT_OK
27 BUS_ON
9A_ATT
25 BU_IN
18 | D_3.3V | SERVO 3.3V | |||
|
|
|
| ||
19 | A_3.3V |
| |||
|
| ||||
| 8 | BU_3.3V |
| BU_3.3V | |
1,2 | DR_6V | ||||
MECHA 6V | |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ACC DETECT |
|
| 7 |
| |
ACC_IN 72 |
|
|
|
|
|
|
|
|
|
|
| ACC | ||||||
|
|
|
|
|
|
|
|
|
| Q631 |
|
|
| |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 15 |
|
TEST IN | 73 |
|
|
|
|
|
|
|
|
|
|
|
|
| TEST | |||
|
|
|
| D580 | BATT |
|
|
|
|
|
|
|
| |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
| BU IN | 54 |
|
| BATTERY LEVEL CHECK |
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| D581 | TU+5V |
| TU+5V REG |
|
| AUDIO 8.3V |
|
| ||
|
|
|
|
|
|
|
|
|
| Q1,D1 |
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
D512
59 UNISO 58 UNISI
60UNISCK
93 | • | ||
98 | CD_ON | • Signal Path | |
| |||
99 | CDM_ON | : CD PLAY | |
D510 |
| : FM | |
77 | RESET | ||
: AM/MW/SW | |||
88 | SYSRST | ||
| |||
87 | BUSON | : AUX | |
| RESET |
| |
| IC602 |
| |
1 | VOUT VDD 2 | BU 3.3V |
19 19