Daewoo DTQ-29S2FCC, Service Manual

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5
PIN CONNECTIONS AND SHORT DESCRIPTIONS
NC = not connected; leave vacant
LV = if not used, leave vacant
OBL = obligatory; connect as described in circuit diagram
DVSS: if not used, connect to DVSS
AHVSS: connect to AHVSS
PIN NO.
PIN NAME TYPE
CONNECTION
(if not used)
SHORT DESCRIPTION
PSDIP 52-PIN
1 TP LV TEST PIN
2 AUD_CL_OUT OUT LV AUDIO CLOCK OUT PUT(18.432MHz)
3 D_CTR_I/O_1 IN/OUT LV D_CTR_I/O_1
4 D_CTR_I/O_0 IN LV D_CTR_I/O_0
5 ADR_SEL IN OBL I
2
C BUS ADDRESS SELECT
6 STANDBYQ IN OBL STAND-BY(LOW-ACTIVE)
7 12C_CL IN/OUT OBL I
2
C CLOCK
8 12C_DA IN/OUT OBL
I
2
C DATA
9 12S_CL IN/OUT LV
I
2
S CLOCK
10 12S_WS IN/OUT LV I
2
S WORD STROBE
11 12S_DA_OUT OUT LV
I
2
S1 DATA OUTPUT
12 12S_DA_IN1 IN LV
I
2
S1 DATA INPUT
13 ADR_DA OUT LV ADR data output
14 ADR_WS OUT LV ADR word strobe
15 ADR_CL OUT LV ADR clock
16 DVSUP OBL Digital ground
17 DVSS OBL Digital ground
18 I2S_DA_IN2 IN LV
I
2
S2-data input
19 NC LV NOT connected
20 RESETQ IN OBL Power-on-reset
21 DACA_R OUT LV "Headphone out, right"
22 DACA_L OUT LV "Headphone out, left"
23 VREF2 OBL Reference ground 2
24 DACM_R OUT LV "Loudspeaker out, right"
25 DACM_L OUT LV "Loudspeaker out, left"
26 DACM_SUB OUT LV Subwoofer output
27 SC2_OUT_R OUT LV "SCART output 2, right"
28 SC2_OUT_L OUT LV "SCART output 2, left"
29 VREF1 OBL Reference ground 1
30 SC1_OUT_R OUT LV "SCART output1, right"
31 SC1_OUT_L OUT LV "SCART output1, left"
IC DESCRIPTION Appendix